idk why all these line seperators are freaking out

common-1.20.1/src/main/java/com/craisinlord/antarchy/content/entity/ant/AntTeleportHelper.java

@@ -15,6 +15,7 @@ import net.minecraft.server.level.PlayerRespawnLogic;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.sounds.SoundEvents;
+import net.minecraft.util.Mth;
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.Mob;
@@ -262,8 +263,11 @@ public final class AntTeleportHelper {
             return safeArrivalPos;
         }
 
-        BlockPos fallbackPos = preferredPos;
-        return Vec3.atBottomCenterOf(fallbackPos);
+        if (destination.hasChunkAt(preferredPos)) {
+            return Vec3.atBottomCenterOf(preferredPos);
+        }
+
+        return Vec3.atBottomCenterOf(getClampedFallbackPosition(destination, preferredPos));
     }
 
     @Nullable
@@ -292,8 +296,10 @@ public final class AntTeleportHelper {
                     }
 
                     BlockPos searchPos = preferredPos.offset(xOffset, 0, zOffset);
-                    addArrivalCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, searchPos));
-                    addArrivalCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.WORLD_SURFACE, searchPos));
+                    if (destination.hasChunkAt(searchPos)) {
+                        addArrivalCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, searchPos));
+                        addArrivalCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.WORLD_SURFACE, searchPos));
+                    }
                 }
             }
         }
@@ -356,13 +362,22 @@ public final class AntTeleportHelper {
 
     @Nullable
     private static Vec3 tryFindSafeDismount(ServerPlayer player, ServerLevel destination, BlockPos candidate) {
+        if (!isSafeDismountAreaLoaded(destination, candidate)) {
+            return null;
+        }
+
         Vec3 safePos = DismountHelper.findSafeDismountLocation(player.getType(), destination, candidate, true);
         if (safePos != null && isValidArrivalPosition(destination, safePos)) {
             return safePos;
         }
 
         for (Direction direction : Direction.Plane.HORIZONTAL) {
-            safePos = DismountHelper.findSafeDismountLocation(player.getType(), destination, candidate.relative(direction), true);
+            BlockPos offsetCandidate = candidate.relative(direction);
+            if (!isSafeDismountAreaLoaded(destination, offsetCandidate)) {
+                continue;
+            }
+
+            safePos = DismountHelper.findSafeDismountLocation(player.getType(), destination, offsetCandidate, true);
             if (safePos != null && isValidArrivalPosition(destination, safePos)) {
                 return safePos;
             }
@@ -377,6 +392,31 @@ public final class AntTeleportHelper {
         }
 
         BlockPos standPos = BlockPos.containing(safePos);
+        if (!destination.hasChunkAt(standPos) || !destination.hasChunkAt(standPos.below())) {
+            return false;
+        }
+
         return !destination.getBlockState(standPos.below()).is(Blocks.BEDROCK);
     }
+
+    private static boolean isSafeDismountAreaLoaded(ServerLevel destination, BlockPos center) {
+        if (!destination.hasChunkAt(center) || !destination.hasChunkAt(center.above()) || !destination.hasChunkAt(center.below())) {
+            return false;
+        }
+
+        for (Direction direction : Direction.Plane.HORIZONTAL) {
+            BlockPos offset = center.relative(direction);
+            if (!destination.hasChunkAt(offset) || !destination.hasChunkAt(offset.above()) || !destination.hasChunkAt(offset.below())) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    private static BlockPos getClampedFallbackPosition(ServerLevel destination, BlockPos preferredPos) {
+        int minY = destination.getMinBuildHeight() + 1;
+        int maxY = destination.getMaxBuildHeight() - 1;
+        return new BlockPos(preferredPos.getX(), Mth.clamp(preferredPos.getY(), minY, maxY), preferredPos.getZ());
+    }
 }

common-1.20.1/src/main/java/com/craisinlord/antarchy/content/portal/PermanentPortalTeleporter.java

@@ -127,8 +127,10 @@ public final class PermanentPortalTeleporter {
                     }
 
                     BlockPos horizontalPos = preferredPos.offset(xOff, 0, zOff);
-                    addCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, horizontalPos));
-                    addCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.WORLD_SURFACE, horizontalPos));
+                    if (destination.hasChunkAt(horizontalPos)) {
+                        addCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, horizontalPos));
+                        addCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.WORLD_SURFACE, horizontalPos));
+                    }
                     for (int yOff = 0; yOff <= VERTICAL_SEARCH; yOff++) {
                         addCandidate(candidates, horizontalPos.above(yOff));
                         if (yOff > 0) {
@@ -186,13 +188,22 @@ public final class PermanentPortalTeleporter {
 
     @Nullable
     private static Vec3 tryFindSafePosition(Entity entity, ServerLevel destination, BlockPos candidate) {
+        if (!isSafeDismountAreaLoaded(destination, candidate)) {
+            return null;
+        }
+
         Vec3 safe = DismountHelper.findSafeDismountLocation(entity.getType(), destination, candidate, true);
         if (safe != null && isValidArrivalPosition(destination, safe)) {
             return safe;
         }
 
         for (Direction direction : Direction.Plane.HORIZONTAL) {
-            safe = DismountHelper.findSafeDismountLocation(entity.getType(), destination, candidate.relative(direction), true);
+            BlockPos offsetCandidate = candidate.relative(direction);
+            if (!isSafeDismountAreaLoaded(destination, offsetCandidate)) {
+                continue;
+            }
+
+            safe = DismountHelper.findSafeDismountLocation(entity.getType(), destination, offsetCandidate, true);
             if (safe != null && isValidArrivalPosition(destination, safe)) {
                 return safe;
             }
@@ -283,11 +294,30 @@ public final class PermanentPortalTeleporter {
         BlockPos standPos = BlockPos.containing(safePos);
         if (destination.dimension() == AntarchySettings.termiteDestinationDimension()
                 || destination.dimension() == AntarchySettings.redAntDestinationDimension()) {
+            if (!destination.hasChunkAt(standPos) || !destination.hasChunkAt(standPos.below())) {
+                return false;
+            }
+
             return !destination.getBlockState(standPos.below()).is(net.minecraft.world.level.block.Blocks.BEDROCK);
         }
         return true;
     }
 
+    private static boolean isSafeDismountAreaLoaded(ServerLevel destination, BlockPos center) {
+        if (!destination.hasChunkAt(center) || !destination.hasChunkAt(center.above()) || !destination.hasChunkAt(center.below())) {
+            return false;
+        }
+
+        for (Direction direction : Direction.Plane.HORIZONTAL) {
+            BlockPos offset = center.relative(direction);
+            if (!destination.hasChunkAt(offset) || !destination.hasChunkAt(offset.above()) || !destination.hasChunkAt(offset.below())) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
     @Nullable
     private static Entity moveEntity(Entity entity, Transition transition) {
         ServerLevel destination = transition.newLevel();

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/AlphaMantisEntity.java

@@ -4,6 +4,9 @@ import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchyObjects;
 import com.craisinlord.antarchy.content.AntarchyTags;
 import com.craisinlord.antarchy.content.boss.BossCombatUtil;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.nbt.CompoundTag;
@@ -110,9 +113,14 @@ public class AlphaMantisEntity extends MantisEntity {
         }
 
         boolean atSurface = level.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, pos).getY() <= pos.getY();
-        boolean posOpen = level.isEmptyBlock(pos) && level.isEmptyBlock(pos.above()) && level.getFluidState(pos).isEmpty();
-        boolean onSolidGround = level.getBlockState(pos.below()).isFaceSturdy(level, pos.below(), Direction.UP)
+        boolean hasFloorClearance = level.isEmptyBlock(pos.above());
+        boolean hasCeilingClearance = level.isEmptyBlock(pos.below());
+        boolean floorSupport = level.getBlockState(pos.below()).isFaceSturdy(level, pos.below(), Direction.UP)
                 && !(level.getBlockState(pos.below()).getBlock() instanceof LeavesBlock);
+        boolean ceilingSupport = level.getBlockState(pos.above()).isFaceSturdy(level, pos.above(), Direction.DOWN)
+                && !(level.getBlockState(pos.above()).getBlock() instanceof LeavesBlock);
+        boolean posOpen = level.isEmptyBlock(pos) && (hasFloorClearance || hasCeilingClearance) && level.getFluidState(pos).isEmpty();
+        boolean onSolidGround = floorSupport || ceilingSupport;
 
         if (!posOpen || !onSolidGround || !atSurface) {
             return false;
@@ -344,7 +352,8 @@ public class AlphaMantisEntity extends MantisEntity {
         this.finishCommittedAttack();
         this.stopFlightBurst();
         this.getNavigation().stop();
-        this.setDeltaMovement(0.0D, this.getDeltaMovement().y, 0.0D);
+        Vec3 localVelocity = this.toLocal(this.getDeltaMovement());
+        this.setDeltaMovement(this.toWorld(0.0D, localVelocity.y, 0.0D));
         this.setAggressive(false);
         this.summonCooldownTicks = Math.min(this.summonCooldownTicks, AntarchySettings.alphaMantisSummonIntervalTicks() / 2);
     }
@@ -355,7 +364,8 @@ public class AlphaMantisEntity extends MantisEntity {
         }
         this.phaseTransitionTicks--;
         this.getNavigation().stop();
-        this.setDeltaMovement(0.0D, this.getDeltaMovement().y, 0.0D);
+        Vec3 localVelocity = this.toLocal(this.getDeltaMovement());
+        this.setDeltaMovement(this.toWorld(0.0D, localVelocity.y, 0.0D));
         if (this.phaseTransitionTicks <= 0 && this.getTarget() != null) {
             this.setAggressive(true);
         }
@@ -466,4 +476,16 @@ public class AlphaMantisEntity extends MantisEntity {
             this.setDeltaMovement(Vec3.ZERO);
         }
     }
+
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
 }

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/AppleCowEntity.java

@@ -1,5 +1,8 @@
 package com.craisinlord.antarchy.content.entity;
 
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.syncher.EntityDataAccessor;
 import net.minecraft.network.syncher.EntityDataSerializers;
@@ -294,7 +297,7 @@ public abstract class AppleCowEntity extends Cow implements GeoEntity, Shearable
     }
 
     private boolean isMovingForAnimation() {
-        return this.getDeltaMovement().horizontalDistanceSqr() > 1.0E-4D || this.getNavigation().isInProgress();
+        return this.toLocal(this.getDeltaMovement()).horizontalDistanceSqr() > 1.0E-4D || this.getNavigation().isInProgress();
     }
 
     private void startSleeping(int sleepTicks) {
@@ -322,13 +325,25 @@ public abstract class AppleCowEntity extends Cow implements GeoEntity, Shearable
     }
 
     private void applySleepStillness() {
-        Vec3 motion = this.getDeltaMovement();
+        Vec3 motion = this.toLocal(this.getDeltaMovement());
         this.getNavigation().stop();
         this.setJumping(false);
         this.setSprinting(false);
         this.zza = 0.0F;
         this.xxa = 0.0F;
-        this.setDeltaMovement(0.0D, motion.y < 0.0D ? motion.y : 0.0D, 0.0D);
+        this.setDeltaMovement(this.toWorld(0.0D, motion.y < 0.0D ? motion.y : 0.0D, 0.0D));
+    }
+
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
     }
 
     private int randomNapCooldown() {

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/BedBugEntity.java

@@ -5,6 +5,9 @@ import com.craisinlord.antarchy.content.AntarchySoundEvents;
 import com.craisinlord.antarchy.content.AntarchyObjects;
 import com.craisinlord.antarchy.content.block.BedBugEggBlock;
 import com.craisinlord.antarchy.content.damage.AntarchyDamageSources;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import net.minecraft.core.BlockPos;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.server.level.ServerLevel;
@@ -383,13 +386,16 @@ public class BedBugEntity extends Animal implements GeoEntity {
     }
 
     private void commitLunge(LivingEntity target, double horizontalSpeed, double verticalSpeed) {
-        Vec3 lunge = target.position().subtract(this.position());
-        Vec3 horizontal = new Vec3(lunge.x, 0.0D, lunge.z);
+        AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(this);
+        Vec3 localLunge = AntarchyGravityRotationUtil.vecWorldToPlayer(target.position().subtract(this.position()), direction);
+        Vec3 horizontal = new Vec3(localLunge.x, 0.0D, localLunge.z);
         if (horizontal.lengthSqr() < 1.0E-4D) {
             return;
         }
         horizontal = horizontal.normalize().scale(horizontalSpeed);
-        this.setDeltaMovement(this.getDeltaMovement().add(horizontal.x, verticalSpeed, horizontal.z));
+        Vec3 localImpulse = new Vec3(horizontal.x, verticalSpeed, horizontal.z);
+        Vec3 worldImpulse = AntarchyGravityRotationUtil.vecPlayerToWorld(localImpulse, direction);
+        this.setDeltaMovement(this.getDeltaMovement().add(worldImpulse.x, worldImpulse.y, worldImpulse.z));
         this.hasImpulse = true;
     }
 

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/BomberEntity.java

@@ -2,6 +2,9 @@ package com.craisinlord.antarchy.content.entity;
 
 import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import java.util.Objects;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.particles.ParticleTypes;
@@ -99,7 +102,7 @@ public class BomberEntity extends Monster implements GeoEntity {
 
         return level.getDifficulty() != Difficulty.PEACEFUL
                 && level.isEmptyBlock(pos)
-                && level.isEmptyBlock(pos.above())
+                && (level.isEmptyBlock(pos.above()) || level.isEmptyBlock(pos.below()))
                 && Monster.checkMonsterSpawnRules(entityType, level, spawnReason, pos, random);
     }
 
@@ -282,9 +285,10 @@ public class BomberEntity extends Monster implements GeoEntity {
             return;
         }
 
-        double x = this.getX();
-        double y = this.getY(0.0625D);
-        double z = this.getZ();
+        Vec3 explosionCenter = this.position().add(this.toWorld(0.0D, this.getBbHeight() * 0.0625D, 0.0D));
+        double x = explosionCenter.x;
+        double y = explosionCenter.y;
+        double z = explosionCenter.z;
         float radius = (float) (AntarchySettings.bomberExplosionRadius() * EXPLOSION_RADIUS_MULTIPLIER);
         serverLevel.playSound(null, x, y, z, SoundEvents.GENERIC_EXPLODE.value(), SoundSource.HOSTILE, 0.55F, 1.0F);
         serverLevel.explode(
@@ -306,7 +310,7 @@ public class BomberEntity extends Monster implements GeoEntity {
         if (extraDamage > 0.0D) {
             AABB damageBox = this.getBoundingBox().inflate(radius * 2.0D);
             for (LivingEntity livingEntity : serverLevel.getEntitiesOfClass(LivingEntity.class, damageBox, entity -> entity.isAlive() && entity != this)) {
-                double distance = Math.sqrt(this.distanceToSqr(livingEntity));
+                double distance = explosionCenter.distanceTo(livingEntity.position());
                 double falloff = radius <= 0.0F ? 0.0D : Math.max(0.0D, 1.0D - distance / radius);
                 if (falloff <= 0.0D) {
                     continue;
@@ -332,19 +336,37 @@ public class BomberEntity extends Monster implements GeoEntity {
             return;
         }
 
-        double dx = this.getX() - sourceEntity.getX();
-        double dz = this.getZ() - sourceEntity.getZ();
-        double distance = Math.sqrt(dx * dx + dz * dz);
+        Vec3 localAway = this.toLocalPlane(this.position().subtract(sourceEntity.position()));
+        double distance = localAway.length();
         if (distance < 1.0E-4D) {
             return;
         }
 
         double strength = 0.4D * KNOCKBACK_MULTIPLIER;
-        this.push(dx / distance * strength, 0.08D, dz / distance * strength);
+        Vec3 localImpulse = localAway.scale(strength / distance);
+        Vec3 worldImpulse = this.toWorld(localImpulse.x, 0.08D, localImpulse.z);
+        this.push(worldImpulse.x, worldImpulse.y, worldImpulse.z);
     }
 
     private boolean isMovingForAnimation() {
-        return this.getDeltaMovement().horizontalDistanceSqr() > 1.0E-4D || this.getNavigation().isInProgress();
+        return this.toLocal(this.getDeltaMovement()).horizontalDistanceSqr() > 1.0E-4D || this.getNavigation().isInProgress();
+    }
+
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
+
+    private Vec3 toLocalPlane(Vec3 worldVector) {
+        Vec3 local = this.toLocal(worldVector);
+        return new Vec3(local.x, 0.0D, local.z);
     }
 
     private final class BomberAttackGoal extends MeleeAttackGoal {

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/ButterflyEntity.java

@@ -5,6 +5,8 @@ import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchyObjects;
 import com.craisinlord.antarchy.content.AntarchyTags;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import java.util.EnumSet;
 import java.util.Optional;
 import java.util.function.Predicate;
@@ -182,7 +184,8 @@ public class ButterflyEntity extends Animal implements FlyingAnimal, GeoEntity {
         FlyingPathNavigation navigation = new FlyingPathNavigation(this, level) {
             @Override
             public boolean isStableDestination(BlockPos pos) {
-                return !this.level.getBlockState(pos.below()).isAir();
+                BlockPos support = AntarchyGravityApi.isGravityInverted(ButterflyEntity.this) ? pos.above() : pos.below();
+                return !this.level.getBlockState(support).isAir();
             }
 
             @Override
@@ -429,7 +432,7 @@ public class ButterflyEntity extends Animal implements FlyingAnimal, GeoEntity {
 
     @Override
     protected void jumpInLiquid(net.minecraft.tags.TagKey<Fluid> fluidTag) {
-        this.setDeltaMovement(this.getDeltaMovement().add(0.0D, 0.01D, 0.0D));
+        this.setDeltaMovement(this.getDeltaMovement().add(AntarchyGravityRotationUtil.vecPlayerToWorld(0.0D, 0.01D, 0.0D, AntarchyGravityApi.getGravityDirection(this))));
     }
 
     @Override

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/CreepingHorrorEntity.java

@@ -2,6 +2,9 @@ package com.craisinlord.antarchy.content.entity;
 
 import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.util.RandomSource;
@@ -85,16 +88,22 @@ public class CreepingHorrorEntity extends Monster implements GeoEntity {
             return true;
         }
         BlockPos belowPos = pos.below();
+        BlockPos abovePos = pos.above();
         BlockState belowState = level.getBlockState(belowPos);
-        boolean validSupport = !belowState.is(Blocks.BEDROCK)
+        BlockState aboveState = level.getBlockState(abovePos);
+        boolean floorSupport = !belowState.is(Blocks.BEDROCK)
                 && belowState.blocksMotion()
                 && belowState.isFaceSturdy(level, belowPos, Direction.UP)
                 && belowState.isCollisionShapeFullBlock(level, belowPos);
+        boolean ceilingSupport = !aboveState.is(Blocks.BEDROCK)
+                && aboveState.blocksMotion()
+                && aboveState.isFaceSturdy(level, abovePos, Direction.DOWN)
+                && aboveState.isCollisionShapeFullBlock(level, abovePos);
 
         return level.getDifficulty() != Difficulty.PEACEFUL
-                && validSupport
+                && (floorSupport || ceilingSupport)
                 && level.isEmptyBlock(pos)
-                && level.isEmptyBlock(pos.above())
+                && (level.isEmptyBlock(pos.above()) || level.isEmptyBlock(pos.below()))
                 && Monster.checkMonsterSpawnRules(entityType, level, spawnReason, pos, random);
     }
 
@@ -202,23 +211,35 @@ public class CreepingHorrorEntity extends Monster implements GeoEntity {
 
         if (climbing && this.getTarget() != null) {
             LivingEntity target = this.getTarget();
-            Vec3 toTarget = target.position().subtract(this.position());
+            Vec3 toTarget = this.toLocal(target.position().subtract(this.position()));
             double hDist = Math.sqrt(toTarget.x * toTarget.x + toTarget.z * toTarget.z);
             double speed = this.getAttributeValue(Attributes.MOVEMENT_SPEED) * 2.8D;
             if (hDist > 0.01D) {
-                this.setDeltaMovement(
+                this.setDeltaMovement(this.toWorld(
                     (toTarget.x / hDist) * speed,
                     0.22D,
                     (toTarget.z / hDist) * speed
-                );
+                ));
             } else {
-                Vec3 mov = this.getDeltaMovement();
-                this.setDeltaMovement(mov.x, 0.22D, mov.z);
+                Vec3 mov = this.toLocal(this.getDeltaMovement());
+                this.setDeltaMovement(this.toWorld(mov.x, 0.22D, mov.z));
             }
             this.getNavigation().stop();
         }
     }
 
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
+
     @Override
     public boolean isInWall() {
         return false;

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/DorrieEntity.java

@@ -1,6 +1,9 @@
 package com.craisinlord.antarchy.content.entity;
 
 import com.craisinlord.antarchy.config.AntarchySettings;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import java.util.EnumSet;
 import java.util.List;
 import net.minecraft.core.BlockPos;
@@ -416,14 +419,15 @@ public class DorrieEntity extends Animal implements GeoEntity {
 
             if (!this.isInWater() && !this.isInLava() && !this.onGround()) {
                 Vec3 mov = this.getDeltaMovement();
-                this.setDeltaMovement(mov.x * 0.91D, mov.y - 0.08D, mov.z * 0.91D);
+                Vec3 localMotion = this.toLocal(mov);
+                this.setDeltaMovement(this.toWorld(localMotion.x * 0.91D, localMotion.y - 0.08D, localMotion.z * 0.91D));
                 this.move(net.minecraft.world.entity.MoverType.SELF, this.getDeltaMovement());
                 return;
             }
 
             if (this.isInWater() || this.isInLava()) {
                 this.moveRelative(this.getSpeed(), new Vec3(riddenInput.x, 0.0D, riddenInput.z));
-                Vec3 motion = this.getDeltaMovement();
+                Vec3 localMotion = this.toLocal(this.getDeltaMovement());
                 double vertical = 0.0D;
                 if (this.isUnderWater()) {
                     vertical = riddenInput.y * 0.025D;
@@ -433,11 +437,11 @@ public class DorrieEntity extends Animal implements GeoEntity {
                 if (this.pressingJump) {
                     vertical += ASCEND_SPEED;
                 }
-                this.setDeltaMovement(
-                        motion.x * 0.92D,
-                        motion.y * 0.90D + vertical,
-                        motion.z * 0.92D
-                );
+                this.setDeltaMovement(this.toWorld(
+                        localMotion.x * 0.92D,
+                        localMotion.y * 0.90D + vertical,
+                        localMotion.z * 0.92D
+                ));
                 this.move(net.minecraft.world.entity.MoverType.SELF, this.getDeltaMovement());
                 return;
             }
@@ -450,15 +454,15 @@ public class DorrieEntity extends Animal implements GeoEntity {
         float power = this.getJumpCharge() / 100f;
         if (power > 0.05f) {
             Vec3 look = this.getLookAngle();
-            Vec3 flatLook = new Vec3(look.x, 0.0D, look.z).normalize();
-            Vec3 current = this.getDeltaMovement();
+            Vec3 flatLook = this.toLocalPlane(look).normalize();
+            Vec3 current = this.toLocal(this.getDeltaMovement());
             double forwardAdd = 0.15D + power * 0.45D;
             double vertical = 0.55D + power * 0.80D;
-            this.setDeltaMovement(
+            this.setDeltaMovement(this.toWorld(
                     current.x + flatLook.x * forwardAdd,
                     vertical,
                     current.z + flatLook.z * forwardAdd
-            );
+            ));
         }
     }
 
@@ -467,15 +471,15 @@ public class DorrieEntity extends Animal implements GeoEntity {
             float power = chargeTicks / (float) MAX_CHARGE_TICKS;
             if (power > 0.05F) {
                 Vec3 look = this.getLookAngle();
-                Vec3 flatLook = new Vec3(look.x, 0.0D, look.z).normalize();
-                Vec3 current = this.getDeltaMovement();
+                Vec3 flatLook = this.toLocalPlane(look).normalize();
+                Vec3 current = this.toLocal(this.getDeltaMovement());
                 double forwardAdd = 0.15D + power * 0.45D;
                 double vertical = 0.55D + power * 0.80D;
-                this.setDeltaMovement(
+                this.setDeltaMovement(this.toWorld(
                         current.x + flatLook.x * forwardAdd,
                         vertical,
                         current.z + flatLook.z * forwardAdd
-                );
+                ));
                 this.hasImpulse = true;
                 isLeaping = true;
                 this.triggerAnim("main_controller", "jump_start");
@@ -489,11 +493,13 @@ public class DorrieEntity extends Animal implements GeoEntity {
     @Override
     protected void positionRider(Entity passenger, MoveFunction moveFunction) {
         if (this.hasPassenger(passenger)) {
-            Vec3 forward = this.getLookAngle().multiply(1.0D, 0.0D, 1.0D);
+            Vec3 localForward = this.toLocalPlane(this.getLookAngle()).normalize();
+            Vec3 worldForward = this.toWorld(localForward);
+            Vec3 seatOffset = this.toWorld(0.0D, 0.5D, 0.0D).subtract(worldForward.scale(0.65D));
             moveFunction.accept(passenger,
-                    this.getX() - forward.x * 0.65D,
-                    this.getY() + 0.5D,
-                    this.getZ() - forward.z * 0.65D);
+                    this.getX() + seatOffset.x,
+                    this.getY() + seatOffset.y,
+                    this.getZ() + seatOffset.z);
         }
     }
 
@@ -706,10 +712,11 @@ public class DorrieEntity extends Animal implements GeoEntity {
         int bottom = Math.max(minY, this.level().getMinBuildHeight() + 1);
         for (int y = top; y >= bottom; y--) {
             BlockPos pos = BlockPos.containing(x, y, z);
-            if (!this.isWaterAt(pos) || this.isWaterAt(pos.above())) {
+            BlockPos localUp = this.relativeLocal(pos, 0, 1, 0);
+            if (!this.isWaterAt(pos) || this.isWaterAt(localUp)) {
                 continue;
             }
-            return new Vec3(x + 0.5D, y + 0.85D, z + 0.5D);
+            return Vec3.atCenterOf(pos).add(this.toWorld(0.0D, 0.35D, 0.0D));
         }
         return null;
     }
@@ -737,10 +744,11 @@ public class DorrieEntity extends Animal implements GeoEntity {
         int bottom = Math.max(minY, this.level().getMinBuildHeight() + 1);
         for (int y = top; y >= bottom; y--) {
             BlockPos pos = BlockPos.containing(x, y, z);
-            if (!this.isWaterAt(pos) || !this.isWaterAt(pos.below())) {
+            BlockPos localDown = this.relativeLocal(pos, 0, -1, 0);
+            if (!this.isWaterAt(pos) || !this.isWaterAt(localDown)) {
                 continue;
             }
-            return new Vec3(x + 0.5D, y + 0.3D, z + 0.5D);
+            return Vec3.atCenterOf(pos).add(this.toWorld(0.0D, -0.2D, 0.0D));
         }
         return null;
     }
@@ -756,10 +764,36 @@ public class DorrieEntity extends Animal implements GeoEntity {
         if (this.getControllingPassenger() instanceof Player player) {
             return Math.abs(player.zza) > 0.05F || Math.abs(player.xxa) > 0.05F;
         }
-        return this.getDeltaMovement().horizontalDistanceSqr() > MOVING_ANIM_THRESHOLD_SQ
+        return this.toLocal(this.getDeltaMovement()).horizontalDistanceSqr() > MOVING_ANIM_THRESHOLD_SQ
                 || this.getNavigation().isInProgress();
     }
 
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(Vec3 localVector) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(localVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
+
+    private Vec3 toLocalPlane(Vec3 worldVector) {
+        Vec3 local = this.toLocal(worldVector);
+        return new Vec3(local.x, 0.0D, local.z);
+    }
+
+    private BlockPos relativeLocal(BlockPos pos, int x, int y, int z) {
+        Vec3 worldOffset = this.toWorld(x, y, z);
+        return pos.offset(Mth.floor(worldOffset.x), Mth.floor(worldOffset.y), Mth.floor(worldOffset.z));
+    }
+
     private class DolphinSwimGoal extends Goal {
         private static final int COOLDOWN_MIN_TICKS = 120;
         private static final int COOLDOWN_MAX_TICKS = 180;

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/EmperorScorpionEntity.java

@@ -6,8 +6,11 @@ import com.craisinlord.antarchy.content.AntarchySoundEvents;
 import com.craisinlord.antarchy.content.AntarchyObjects;
 import com.craisinlord.antarchy.content.boss.BossCombatUtil;
 import com.craisinlord.antarchy.content.damage.AntarchyDamageSources;
-import com.craisinlord.antarchy.content.entity.ScorpionEntity;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.syncher.EntityDataAccessor;
@@ -401,8 +404,9 @@ public class EmperorScorpionEntity extends Monster implements GeoEntity {
                 }
             }
             case ACTIVE -> {
-                Vec3 motion = this.getDeltaMovement();
-                this.setDeltaMovement(0.0D, motion.y, 0.0D);
+                AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(this);
+                Vec3 motion = AntarchyGravityRotationUtil.vecWorldToPlayer(this.getDeltaMovement(), direction);
+                this.setDeltaMovement(AntarchyGravityRotationUtil.vecPlayerToWorld(0.0D, motion.y, 0.0D, direction));
                 if (--this.hardenDurationTicks <= 0) {
                     this.beginHardeningEnd();
                     return;
@@ -413,8 +417,9 @@ public class EmperorScorpionEntity extends Monster implements GeoEntity {
                 }
             }
             case END -> {
-                Vec3 motion = this.getDeltaMovement();
-                this.setDeltaMovement(0.0D, motion.y, 0.0D);
+                AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(this);
+                Vec3 motion = AntarchyGravityRotationUtil.vecWorldToPlayer(this.getDeltaMovement(), direction);
+                this.setDeltaMovement(AntarchyGravityRotationUtil.vecPlayerToWorld(0.0D, motion.y, 0.0D, direction));
                 if (--this.hardenStateTicks <= 0) {
                     this.setHardenPhase(HardenPhase.NONE);
                     this.hardenCooldownTicks = Math.max(1, AntarchySettings.emperorScorpionHardenCooldownTicks());
@@ -475,10 +480,13 @@ public class EmperorScorpionEntity extends Monster implements GeoEntity {
         }
 
         Vec3 anchor = this.getTarget() != null ? this.getTarget().position() : this.position();
-        Vec3 ring = Vec3.directionFromRotation(0.0F, this.random.nextFloat() * 360.0F)
+        AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(this);
+        Vec3 localRing = Vec3.directionFromRotation(0.0F, this.random.nextFloat() * 360.0F)
                 .scale(2.75D + this.random.nextDouble() * 1.75D);
-        BlockPos spawnPos = BlockPos.containing(anchor.x + ring.x, this.getY(), anchor.z + ring.z);
-        scorpion.moveTo(spawnPos.getX() + 0.5D, spawnPos.getY(), spawnPos.getZ() + 0.5D, this.random.nextFloat() * 360.0F, 0.0F);
+        Vec3 worldRing = AntarchyGravityRotationUtil.vecPlayerToWorld(localRing, direction);
+        BlockPos spawnPos = this.findSummonSpawnPos(anchor.add(worldRing));
+        Vec3 spawnCenter = Vec3.atCenterOf(spawnPos);
+        scorpion.moveTo(spawnCenter.x, spawnCenter.y, spawnCenter.z, this.random.nextFloat() * 360.0F, 0.0F);
         scorpion.finalizeSpawn(serverLevel, serverLevel.getCurrentDifficultyAt(spawnPos), MobSpawnType.MOB_SUMMONED, null);
         scorpion.setPersistenceRequired();
         scorpion.setSummonOwner(this.getUUID());
@@ -490,16 +498,36 @@ public class EmperorScorpionEntity extends Monster implements GeoEntity {
     }
 
     private void commitLunge(LivingEntity target, double horizontalSpeed, double verticalSpeed) {
-        Vec3 lunge = target.position().subtract(this.position());
-        Vec3 horizontal = new Vec3(lunge.x, 0.0D, lunge.z);
+        AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(this);
+        Vec3 localLunge = AntarchyGravityRotationUtil.vecWorldToPlayer(target.position().subtract(this.position()), direction);
+        Vec3 horizontal = new Vec3(localLunge.x, 0.0D, localLunge.z);
         if (horizontal.lengthSqr() < 1.0E-4D) {
             return;
         }
         horizontal = horizontal.normalize().scale(horizontalSpeed);
-        this.setDeltaMovement(this.getDeltaMovement().add(horizontal.x, verticalSpeed, horizontal.z));
+        Vec3 localImpulse = new Vec3(horizontal.x, verticalSpeed, horizontal.z);
+        Vec3 worldImpulse = AntarchyGravityRotationUtil.vecPlayerToWorld(localImpulse, direction);
+        this.setDeltaMovement(this.getDeltaMovement().add(worldImpulse.x, worldImpulse.y, worldImpulse.z));
         this.hasImpulse = true;
     }
 
+    private BlockPos findSummonSpawnPos(Vec3 center) {
+        BlockPos base = BlockPos.containing(center);
+        Direction gravityDown = AntarchyGravityRotationUtil.getGravityDownDirection(this);
+        Direction gravityUp = gravityDown.getOpposite();
+        BlockPos fallback = base;
+        for (int step = -2; step <= 2; step++) {
+            BlockPos candidate = base.relative(gravityUp, step);
+            BlockPos support = candidate.relative(gravityDown);
+            if (this.level().isEmptyBlock(candidate)
+                    && this.level().isEmptyBlock(candidate.relative(gravityUp))
+                    && this.level().getBlockState(support).isFaceSturdy(this.level(), support, gravityUp)) {
+                return candidate;
+            }
+        }
+        return fallback;
+    }
+
     @Override
     public void handleEntityEvent(byte id) {
         if (id == CLAW_ATTACK_EVENT) {
@@ -824,12 +852,12 @@ public class EmperorScorpionEntity extends Monster implements GeoEntity {
         }
         Vec3 homeCenter = Vec3.atCenterOf(this.encounterHome);
         if (this.distanceToSqr(homeCenter) > FORCED_RETURN_RADIUS * FORCED_RETURN_RADIUS) {
-            this.moveTo(homeCenter.x, this.encounterHome.getY(), homeCenter.z, this.getYRot(), this.getXRot());
+            this.moveTo(homeCenter.x, homeCenter.y, homeCenter.z, this.getYRot(), this.getXRot());
             this.setDeltaMovement(Vec3.ZERO);
             this.hasImpulse = true;
             return;
         }
-        this.getNavigation().moveTo(homeCenter.x, this.encounterHome.getY(), homeCenter.z, HOME_RETURN_SPEED);
+        this.getNavigation().moveTo(homeCenter.x, homeCenter.y, homeCenter.z, HOME_RETURN_SPEED);
     }
 
     private void resetEncounter(boolean restoreHealth) {
@@ -853,7 +881,7 @@ public class EmperorScorpionEntity extends Monster implements GeoEntity {
         this.discardOwnedScorpions();
         if (this.encounterHome != null) {
             Vec3 homeCenter = Vec3.atCenterOf(this.encounterHome);
-            this.moveTo(homeCenter.x, this.encounterHome.getY(), homeCenter.z, this.getYRot(), this.getXRot());
+            this.moveTo(homeCenter.x, homeCenter.y, homeCenter.z, this.getYRot(), this.getXRot());
             this.setDeltaMovement(Vec3.ZERO);
         }
     }
@@ -949,7 +977,11 @@ public class EmperorScorpionEntity extends Monster implements GeoEntity {
 
             if (EmperorScorpionEntity.this.isWithinMeleeAttackRange(target) && EmperorScorpionEntity.this.hasLineOfSight(target)) {
                 EmperorScorpionEntity.this.getNavigation().stop();
-                EmperorScorpionEntity.this.setDeltaMovement(0.0D, EmperorScorpionEntity.this.getDeltaMovement().y, 0.0D);
+                AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(EmperorScorpionEntity.this);
+                Vec3 localMotion = AntarchyGravityRotationUtil.vecWorldToPlayer(EmperorScorpionEntity.this.getDeltaMovement(), direction);
+                Vec3 localStopped = new Vec3(0.0D, localMotion.y, 0.0D);
+                Vec3 worldStopped = AntarchyGravityRotationUtil.vecPlayerToWorld(localStopped, direction);
+                EmperorScorpionEntity.this.setDeltaMovement(worldStopped);
                 AttackType attackType = EmperorScorpionEntity.this.selectAttack(target);
                 if (attackType != AttackType.NONE) {
                     EmperorScorpionEntity.this.beginAttack(target, attackType);
@@ -968,8 +1000,10 @@ public class EmperorScorpionEntity extends Monster implements GeoEntity {
         }
 
         private void approachDirectly(LivingEntity target) {
-            double dx = target.getX() - EmperorScorpionEntity.this.getX();
-            double dz = target.getZ() - EmperorScorpionEntity.this.getZ();
+            AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(EmperorScorpionEntity.this);
+            Vec3 localDelta = AntarchyGravityRotationUtil.vecWorldToPlayer(target.position().subtract(EmperorScorpionEntity.this.position()), direction);
+            double dx = localDelta.x;
+            double dz = localDelta.z;
             if (dx * dx + dz * dz < 1.0E-4D) {
                 return;
             }
@@ -981,14 +1015,15 @@ public class EmperorScorpionEntity extends Monster implements GeoEntity {
             EmperorScorpionEntity.this.yBodyRot = newYaw;
             EmperorScorpionEntity.this.yBodyRotO = newYaw;
 
-            Vec3 currentMotion = EmperorScorpionEntity.this.getDeltaMovement();
+            Vec3 currentMotion = AntarchyGravityRotationUtil.vecWorldToPlayer(EmperorScorpionEntity.this.getDeltaMovement(), direction);
             float headingError = Math.abs(Mth.wrapDegrees(targetYaw - currentYaw));
             if (headingError <= DIRECT_APPROACH_ALIGN_THRESHOLD) {
                 double speed = EmperorScorpionEntity.this.getAttributeValue(Attributes.MOVEMENT_SPEED) * CHASE_SPEED;
                 Vec3 forward = Vec3.directionFromRotation(0.0F, newYaw).scale(speed);
-                EmperorScorpionEntity.this.setDeltaMovement(forward.x, currentMotion.y, forward.z);
+                Vec3 worldForward = AntarchyGravityRotationUtil.vecPlayerToWorld(forward.x, currentMotion.y, forward.z, direction);
+                EmperorScorpionEntity.this.setDeltaMovement(worldForward);
             } else {
-                EmperorScorpionEntity.this.setDeltaMovement(0.0D, currentMotion.y, 0.0D);
+                EmperorScorpionEntity.this.setDeltaMovement(AntarchyGravityRotationUtil.vecPlayerToWorld(0.0D, currentMotion.y, 0.0D, direction));
             }
         }
 

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/HerculesBeetleEntity.java

@@ -6,6 +6,9 @@ import com.craisinlord.antarchy.content.AntarchyGameRules;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
 import com.craisinlord.antarchy.content.AntarchyTags;
 import com.craisinlord.antarchy.content.damage.AntarchyDamageSources;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import com.craisinlord.antarchy.content.item.BigBerthaItem;
 import com.craisinlord.antarchy.content.network.HerculesBeetleImpactShakeSync;
 import java.util.EnumSet;
@@ -218,10 +221,13 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
         if (spawnReason == MobSpawnType.SPAWN_EGG || spawnReason == MobSpawnType.SPAWNER || spawnReason == MobSpawnType.COMMAND) {
             return true;
         }
-        return level.getDifficulty() != Difficulty.PEACEFUL
-                && level.getBlockState(pos.below()).isFaceSturdy(level, pos.below(), Direction.UP)
+        boolean floorSpawn = level.getBlockState(pos.below()).isFaceSturdy(level, pos.below(), Direction.UP)
                 && level.isEmptyBlock(pos)
                 && level.isEmptyBlock(pos.above());
+        boolean ceilingSpawn = level.getBlockState(pos.above()).isFaceSturdy(level, pos.above(), Direction.DOWN)
+                && level.isEmptyBlock(pos)
+                && level.isEmptyBlock(pos.below());
+        return level.getDifficulty() != Difficulty.PEACEFUL && (floorSpawn || ceilingSpawn);
     }
 
     @Override
@@ -416,8 +422,8 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
 
     private void tickKnockedDown() {
         this.getNavigation().stop();
-        Vec3 motion = this.getDeltaMovement();
-        this.setDeltaMovement(0.0D, Math.min(motion.y, 0.0D), 0.0D);
+        Vec3 motion = this.toLocal(this.getDeltaMovement());
+        this.setDeltaMovement(this.toWorld(0.0D, Math.min(motion.y, 0.0D), 0.0D));
         if (this.getAnimationState() == ANIM_KNOCKED_DOWN && this.actionTicks > 0) {
             this.actionTicks--;
             if (this.actionTicks <= 0) {
@@ -454,8 +460,8 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
             case ANIM_OPEN_WINGS -> {
                 this.setFlying(true);
                 if (this.getControllingPassenger() instanceof Player) {
-                    Vec3 motion = this.getDeltaMovement();
-                    this.setDeltaMovement(motion.x, Math.max(motion.y, MOUNTED_FLIGHT_LIFT), motion.z);
+                    Vec3 motion = this.toLocal(this.getDeltaMovement());
+                    this.setDeltaMovement(this.toWorld(motion.x, Math.max(motion.y, MOUNTED_FLIGHT_LIFT), motion.z));
                     this.hasImpulse = true;
                 }
                 if (this.pendingChargeStart) {
@@ -533,9 +539,9 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
             this.setNoGravity(true);
             this.noPhysics = false;
             this.fallDistance = 0.0F;
-            if (this.onGround() && this.getDeltaMovement().y <= 0.0D) {
-                Vec3 motion = this.getDeltaMovement();
-                this.setDeltaMovement(motion.x, MOUNTED_FLIGHT_LIFT, motion.z);
+            Vec3 motion = this.toLocal(this.getDeltaMovement());
+            if (this.onGround() && motion.y <= 0.0D) {
+                this.setDeltaMovement(this.toWorld(motion.x, MOUNTED_FLIGHT_LIFT, motion.z));
                 this.hasImpulse = true;
             }
         } else {
@@ -753,7 +759,7 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
     }
 
     private boolean isMountedFlightPoseActive() {
-        return this.isFlying() && (!this.onGround() || this.getDeltaMovement().y > 0.08D);
+        return this.isFlying() && (!this.onGround() || this.toLocal(this.getDeltaMovement()).y > 0.08D);
     }
 
     private void startMountedFlight() {
@@ -763,8 +769,8 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
         this.noPhysics = false;
         this.fallDistance = 0.0F;
         this.groundedTicks = 0;
-        Vec3 motion = this.getDeltaMovement();
-        this.setDeltaMovement(motion.x, Math.max(motion.y, MOUNTED_FLIGHT_LIFT), motion.z);
+        Vec3 motion = this.toLocal(this.getDeltaMovement());
+        this.setDeltaMovement(this.toWorld(motion.x, Math.max(motion.y, MOUNTED_FLIGHT_LIFT), motion.z));
         this.hasImpulse = true;
         this.setAnimationState(ANIM_FLY);
     }
@@ -883,23 +889,24 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
                 ? target.hurt(AntarchyDamageSources.herculesBeetleObliteration(serverLevel, this), damage)
                 : target.hurt(this.damageSources().mobAttack(this), damage);
         if (hurt) {
-            Vec3 push = target.position().subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
+            Vec3 push = this.toLocalPlane(target.position().subtract(this.position()));
             if (push.lengthSqr() < 1.0E-4D) {
-                push = this.getLookAngle().multiply(1.0D, 0.0D, 1.0D);
+                push = this.toLocalPlane(this.getLookAngle());
             }
             push = push.normalize().scale(horizontalKnockback);
-            target.setDeltaMovement(target.getDeltaMovement().add(push.x, 1.25D, push.z));
+            Vec3 worldPush = this.toWorld(push.x, 1.25D, push.z);
+            target.setDeltaMovement(target.getDeltaMovement().add(worldPush.x, worldPush.y, worldPush.z));
             target.hurtMarked = true;
         }
         return hurt;
     }
 
     private void startCharge(Vec3 direction, int durationTicks, boolean mountedCharge) {
-        Vec3 horizontal = direction.multiply(1.0D, 0.0D, 1.0D);
+        Vec3 horizontal = this.toLocalPlane(direction);
         if (horizontal.lengthSqr() < 1.0E-4D) {
-            horizontal = this.getLookAngle().multiply(1.0D, 0.0D, 1.0D);
+            horizontal = this.toLocalPlane(this.getLookAngle());
         }
-        this.chargeDirection = horizontal.normalize();
+        this.chargeDirection = this.toWorld(horizontal.normalize());
         this.pendingChargeDuration = Mth.clamp(durationTicks, MIN_MOUNTED_CHARGE_TICKS, MAX_CHARGE_TICKS);
         this.pendingMountedCharge = mountedCharge;
 
@@ -954,12 +961,17 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
                 continue;
             }
             if (victim.hurt(AntarchyDamageSources.herculesBeetleObliteration(serverLevel, this), damage)) {
-                Vec3 push = victim.position().subtract(this.position());
+                Vec3 push = this.toLocal(victim.position().subtract(this.position()));
                 if (push.lengthSqr() < 1.0E-4D) {
-                    push = this.chargeDirection;
+                    push = this.toLocal(this.chargeDirection);
                 }
-                push = push.normalize();
-                victim.setDeltaMovement(victim.getDeltaMovement().add(push.x * 1.25D, 0.9D, push.z * 1.25D));
+                Vec3 horizontal = new Vec3(push.x, 0.0D, push.z);
+                if (horizontal.lengthSqr() < 1.0E-4D) {
+                    horizontal = this.toLocalPlane(this.getLookAngle());
+                }
+                horizontal = horizontal.normalize();
+                Vec3 worldPush = this.toWorld(horizontal.x * 1.25D, 0.9D, horizontal.z * 1.25D);
+                victim.setDeltaMovement(victim.getDeltaMovement().add(worldPush.x, worldPush.y, worldPush.z));
                 victim.hurtMarked = true;
             }
         }
@@ -1169,7 +1181,8 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
     @Override
     protected void positionRider(Entity passenger, MoveFunction moveFunction) {
         if (this.hasPassenger(passenger)) {
-            Vec3 forward = this.getLookAngle().multiply(1.0D, 0.0D, 1.0D);
+            Vec3 localForward = this.toLocalPlane(this.getLookAngle());
+            Vec3 forward = localForward.lengthSqr() > 1.0E-4D ? this.toWorld(localForward.normalize()) : this.toWorld(0.0D, 0.0D, 1.0D);
             boolean mountedFlightPose = this.isMountedFlightPoseActive();
             double yOffset = mountedFlightPose ? 5.3D : 3.0D;
             double forwardOffset = mountedFlightPose ? 2.2D : 1.25D;
@@ -1177,11 +1190,12 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
                 yOffset -= 0.25D;
                 forwardOffset += 0.25D;
             }
+            Vec3 seatOffset = forward.scale(forwardOffset).add(this.toWorld(0.0D, yOffset, 0.0D));
             moveFunction.accept(
                     passenger,
-                    this.getX() + forward.x * forwardOffset,
-                    this.getY() + yOffset,
-                    this.getZ() + forward.z * forwardOffset
+                    this.getX() + seatOffset.x,
+                    this.getY() + seatOffset.y,
+                    this.getZ() + seatOffset.z
             );
         }
     }
@@ -1209,14 +1223,15 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
             super.travel(new Vec3(riddenInput.x, travelVector.y, riddenInput.z));
 
             if (Math.abs(rider.zza) < 0.05F && Math.abs(rider.xxa) < 0.05F && this.onGround()) {
-                Vec3 dampedMotion = this.getDeltaMovement();
-                this.setDeltaMovement(dampedMotion.x * MOUNTED_GROUND_BRAKE, dampedMotion.y, dampedMotion.z * MOUNTED_GROUND_BRAKE);
+                Vec3 dampedMotion = this.toLocal(this.getDeltaMovement());
+                this.setDeltaMovement(this.toWorld(dampedMotion.x * MOUNTED_GROUND_BRAKE, dampedMotion.y, dampedMotion.z * MOUNTED_GROUND_BRAKE));
             }
         } else {
-            Vec3 motion = new Vec3(0.0D, this.getDeltaMovement().y, 0.0D);
+            Vec3 motion = this.toLocal(this.getDeltaMovement());
             this.moveRelative(this.getSpeed(), new Vec3(riddenInput.x, 0.0D, riddenInput.z));
-            motion = motion.add(this.getDeltaMovement().x, riddenInput.y, this.getDeltaMovement().z);
-            this.setDeltaMovement(motion);
+            Vec3 moved = this.toLocal(this.getDeltaMovement());
+            motion = new Vec3(moved.x, motion.y + riddenInput.y, moved.z);
+            this.setDeltaMovement(this.toWorld(motion));
             this.move(MoverType.SELF, this.getDeltaMovement());
         }
     }
@@ -1292,10 +1307,11 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
     }
 
     private void lookInDirection(Vec3 direction) {
-        if (direction.lengthSqr() <= 1.0E-4D) {
+        Vec3 localDirection = this.toLocalPlane(direction);
+        if (localDirection.lengthSqr() <= 1.0E-4D) {
             return;
         }
-        float yaw = (float) (Mth.atan2(direction.z, direction.x) * (180.0D / Math.PI)) - 90.0F;
+        float yaw = (float) (Mth.atan2(localDirection.z, localDirection.x) * (180.0D / Math.PI)) - 90.0F;
         this.setYRot(yaw);
         this.yBodyRot = yaw;
         this.yHeadRot = yaw;
@@ -1313,10 +1329,10 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
 
     private List<LivingEntity> getFrontTargets(double range, double inflation) {
         AABB box = this.getBoundingBox().expandTowards(this.getLookAngle().scale(range)).inflate(inflation);
-        Vec3 forward = this.getLookAngle().multiply(1.0D, 0.0D, 1.0D);
+        Vec3 forward = this.toLocalPlane(this.getLookAngle());
         return this.level().getEntitiesOfClass(LivingEntity.class, box, this::canHarm).stream()
                 .filter(entity -> {
-                    Vec3 toTarget = entity.position().subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
+                    Vec3 toTarget = this.toLocalPlane(entity.position().subtract(this.position()));
                     if (forward.lengthSqr() < 1.0E-4D || toTarget.lengthSqr() < 1.0E-4D) {
                         return true;
                     }
@@ -1325,6 +1341,27 @@ public class HerculesBeetleEntity extends TamableAnimal implements GeoEntity, Fl
                 .toList();
     }
 
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(Vec3 localVector) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(localVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
+
+    private Vec3 toLocalPlane(Vec3 worldVector) {
+        Vec3 local = this.toLocal(worldVector);
+        return new Vec3(local.x, 0.0D, local.z);
+    }
+
     @Nullable
     private LivingEntity findFrontTarget(double range, double inflation) {
         List<LivingEntity> targets = this.getFrontTargets(range, inflation);

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/JerryEntity.java

@@ -2,6 +2,9 @@ package com.craisinlord.antarchy.content.entity;
 
 import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import com.craisinlord.antarchy.content.horde.CavarynHordeManager;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.core.registries.BuiltInRegistries;
@@ -208,7 +211,7 @@ public class JerryEntity extends Monster implements GeoEntity {
             return;
         }
 
-        Vec3 targetPos = target.getEyePosition().add(0.0D, -0.15D, 0.0D);
+        Vec3 targetPos = target.getEyePosition().add(this.toWorld(0.0D, -0.15D, 0.0D));
         Vec3 toTarget = targetPos.subtract(this.position());
         double distance = toTarget.length();
         if (distance > 0.01D) {
@@ -242,15 +245,15 @@ public class JerryEntity extends Monster implements GeoEntity {
 
         Stage stage = this.getStage();
         Vec3 targetPos = target.getEyePosition();
-        Vec3 hoverPos = targetPos.add(0.0D, 5.0D, 0.0D);
+        Vec3 hoverPos = targetPos.add(this.toWorld(0.0D, 5.0D, 0.0D));
         Vec3 toHover = hoverPos.subtract(this.position());
         Vec3 toTarget = targetPos.subtract(this.position());
         double hoverDistance = toHover.length();
         double targetDistance = toTarget.length();
-        double horizontalDistance = this.position().subtract(targetPos).horizontalDistance();
+        double horizontalDistance = this.toLocalPlane(this.position().subtract(targetPos)).length();
         this.faceTarget(target);
         if (this.alphaDiveCooldownTicks > 0) {
-            this.setDeltaMovement(this.getDeltaMovement().scale(0.8D).add(toTarget.normalize().scale(0.28D)).add(0.0D, -0.08D, 0.0D));
+            this.setDeltaMovement(this.getDeltaMovement().scale(0.8D).add(toTarget.normalize().scale(0.28D)).add(this.toWorld(0.0D, -0.08D, 0.0D)));
         } else if (hoverDistance > 0.01D) {
             Vec3 desiredMotion = toHover.normalize().scale(0.20D);
             this.setDeltaMovement(this.getDeltaMovement().scale(0.72D).add(desiredMotion));
@@ -258,7 +261,7 @@ public class JerryEntity extends Monster implements GeoEntity {
 
         if (this.alphaDiveCooldownTicks <= 0 && targetDistance < 9.0D && horizontalDistance < 7.0D) {
             this.alphaDiveCooldownTicks = 30;
-            this.setDeltaMovement(this.getDeltaMovement().add(0.0D, -0.55D, 0.0D).add(toTarget.normalize().scale(0.42D)));
+            this.setDeltaMovement(this.getDeltaMovement().add(this.toWorld(0.0D, -0.55D, 0.0D)).add(toTarget.normalize().scale(0.42D)));
         }
 
         if (targetDistance < 2.3D && this.attackCooldownTicks <= 0) {
@@ -271,11 +274,12 @@ public class JerryEntity extends Monster implements GeoEntity {
     }
 
     private void faceTarget(LivingEntity target) {
-        Vec3 toTarget = target.position().subtract(this.position());
-        if (toTarget.horizontalDistanceSqr() <= 0.0001D) {
+        Vec3 toTarget = this.toLocal(target.position().subtract(this.position()));
+        Vec3 horizontal = new Vec3(toTarget.x, 0.0D, toTarget.z);
+        if (horizontal.lengthSqr() <= 0.0001D) {
             return;
         }
-        float targetYaw = (float) (Mth.atan2(toTarget.z, toTarget.x) * (180.0F / Math.PI)) - 90.0F;
+        float targetYaw = (float) (Mth.atan2(horizontal.z, horizontal.x) * (180.0F / Math.PI)) - 90.0F;
         this.setYRot(Mth.approachDegrees(this.getYRot(), targetYaw, 30.0F));
         this.yBodyRot = this.getYRot();
         this.yHeadRot = this.getYRot();
@@ -304,6 +308,23 @@ public class JerryEntity extends Monster implements GeoEntity {
                 : super.doHurtTarget(target);
     }
 
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
+
+    private Vec3 toLocalPlane(Vec3 worldVector) {
+        Vec3 local = this.toLocal(worldVector);
+        return new Vec3(local.x, 0.0D, local.z);
+    }
+
     @Override
     @Nullable
     protected SoundEvent getAmbientSound() {

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/JumpyBugEntity.java

@@ -3,6 +3,9 @@ package com.craisinlord.antarchy.content.entity;
 import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
 import com.craisinlord.antarchy.content.damage.AntarchyDamageSources;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import com.mojang.serialization.Codec;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
@@ -409,7 +412,7 @@ public class JumpyBugEntity extends Monster implements GeoEntity {
         this.getNavigation().stop();
         this.setDeltaMovement(Vec3.ZERO);
         this.move(MoverType.SELF, Vec3.ZERO);
-        this.setPos(this.getX(), clingPos.getY() - this.getBbHeight() - 0.01D, this.getZ());
+        this.setPos(this.getX(), AntarchyGravityApi.isGravityInverted(this) ? clingPos.getY() + 1.01D : clingPos.getY() - this.getBbHeight() - 0.01D, this.getZ());
     }
 
     private void tickPouncing() {
@@ -460,7 +463,7 @@ public class JumpyBugEntity extends Monster implements GeoEntity {
         boolean playerNearby = this.level().getNearestPlayer(this, CAMOUFLAGE_PLAYER_RANGE) != null;
         boolean idle = this.getTarget() == null
                 && this.recoveryTicks <= 0
-                && this.getDeltaMovement().horizontalDistanceSqr() < 0.003D
+                && this.toLocal(this.getDeltaMovement()).horizontalDistanceSqr() < 0.003D
                 && this.onGround();
         boolean movingQuickly = this.getDeltaMovement().lengthSqr() > QUICK_MOVE_SQR;
         boolean inAmbushCover = this.findCeilingWithinRange(this.directCeilingSearchHeight()) != null;
@@ -480,7 +483,7 @@ public class JumpyBugEntity extends Monster implements GeoEntity {
     private BlockPos findCeilingWithinRange(int maxBlocks) {
         BlockPos origin = this.blockPosition();
         for (int dy = 1; dy <= maxBlocks; dy++) {
-            BlockPos candidate = origin.above(dy);
+            BlockPos candidate = this.relativeLocal(origin, 0, dy, 0);
             if (this.isUsableCeiling(candidate)) {
                 return candidate;
             }
@@ -504,7 +507,7 @@ public class JumpyBugEntity extends Monster implements GeoEntity {
                     continue;
                 }
                 for (int dy = minHeight; dy <= maxHeight; dy++) {
-                    BlockPos candidate = origin.offset(dx, dy, dz);
+                    BlockPos candidate = this.relativeLocal(origin, dx, dy, dz);
                     if (!this.isUsableCeiling(candidate)) {
                         continue;
                     }
@@ -525,7 +528,7 @@ public class JumpyBugEntity extends Monster implements GeoEntity {
     }
 
     private boolean isCeilingBlock(BlockPos pos) {
-        return this.level().getBlockState(pos).isFaceSturdy(this.level(), pos, Direction.DOWN);
+        return this.level().getBlockState(pos).isFaceSturdy(this.level(), pos, this.gravityDownDirection());
     }
 
     private int minimumCeilingHeight() {
@@ -541,7 +544,9 @@ public class JumpyBugEntity extends Monster implements GeoEntity {
             return false;
         }
         double x = pos.getX() + 0.5D;
-        double y = pos.getY() - this.getBbHeight() - 0.01D;
+        double y = AntarchyGravityApi.isGravityInverted(this)
+                ? pos.getY() + 1.01D
+                : pos.getY() - this.getBbHeight() - 0.01D;
         double z = pos.getZ() + 0.5D;
         return this.canOccupy(x, y, z);
     }
@@ -590,11 +595,14 @@ public class JumpyBugEntity extends Monster implements GeoEntity {
         this.leapingTicks = 0;
         this.getNavigation().stop();
 
-        double dy = ceilingPos.getY() - this.getY();
+        Vec3 localDelta = this.toLocal(Vec3.atCenterOf(ceilingPos).subtract(this.position()));
+        double dy = localDelta.y;
         double upwardSpeed = Math.min(2.5D, Math.sqrt(0.16D * Math.max(dy, 1.0D)) + 0.4D);
-        double dx = ceilingPos.getX() + 0.5D - this.getX();
-        double dz = ceilingPos.getZ() + 0.5D - this.getZ();
-        this.setDeltaMovement(Mth.clamp(dx * 0.18D, -0.35D, 0.35D), upwardSpeed, Mth.clamp(dz * 0.18D, -0.35D, 0.35D));
+        this.setDeltaMovement(this.toWorld(
+                Mth.clamp(localDelta.x * 0.18D, -0.35D, 0.35D),
+                upwardSpeed,
+                Mth.clamp(localDelta.z * 0.18D, -0.35D, 0.35D)
+        ));
         this.hasImpulse = true;
         this.playSound(AntarchySoundEvents.JUMPY_BUG_JUMP.get(), 1.0F, 0.95F + this.random.nextFloat() * 0.1F);
     }
@@ -615,12 +623,11 @@ public class JumpyBugEntity extends Monster implements GeoEntity {
         this.pounceCooldownTicks = DEFAULT_POUNCE_COOLDOWN;
         this.pounceTicks = 0;
 
-        Vec3 from = this.position();
-        Vec3 to = target.getEyePosition().subtract(from);
+        Vec3 to = this.toLocal(target.getEyePosition().subtract(this.position()));
         Vec3 horizontal = new Vec3(to.x, 0.0D, to.z);
-        Vec3 direction = horizontal.lengthSqr() > 1.0E-4D ? horizontal.normalize() : target.getLookAngle();
+        Vec3 direction = horizontal.lengthSqr() > 1.0E-4D ? horizontal.normalize() : this.toLocalPlane(target.getLookAngle()).normalize();
         double upward = POUNCE_UPWARD_SPEED + Mth.clamp(to.y * 0.08D, -0.04D, 0.22D);
-        this.setDeltaMovement(direction.x * POUNCE_HORIZONTAL_SPEED, upward, direction.z * POUNCE_HORIZONTAL_SPEED);
+        this.setDeltaMovement(this.toWorld(direction.x * POUNCE_HORIZONTAL_SPEED, upward, direction.z * POUNCE_HORIZONTAL_SPEED));
         this.hasImpulse = true;
         this.playSound(AntarchySoundEvents.JUMPY_BUG_JUMP.get(), 1.0F, 0.95F + this.random.nextFloat() * 0.1F);
     }
@@ -635,10 +642,10 @@ public class JumpyBugEntity extends Monster implements GeoEntity {
         this.pounceCooldownTicks = DEFAULT_POUNCE_COOLDOWN;
         this.pounceTicks = 0;
 
-        Vec3 to = target.position().add(0.0D, target.getBbHeight() * 0.35D, 0.0D).subtract(this.position());
+        Vec3 to = this.toLocal(target.position().add(this.toWorld(0.0D, target.getBbHeight() * 0.35D, 0.0D)).subtract(this.position()));
         Vec3 horizontal = new Vec3(to.x, 0.0D, to.z);
-        Vec3 direction = horizontal.lengthSqr() > 1.0E-4D ? horizontal.normalize() : target.getLookAngle();
-        this.setDeltaMovement(direction.x * CEILING_DROP_HORIZONTAL_SPEED, CEILING_DROP_UPWARD_SPEED, direction.z * CEILING_DROP_HORIZONTAL_SPEED);
+        Vec3 direction = horizontal.lengthSqr() > 1.0E-4D ? horizontal.normalize() : this.toLocalPlane(target.getLookAngle()).normalize();
+        this.setDeltaMovement(this.toWorld(direction.x * CEILING_DROP_HORIZONTAL_SPEED, CEILING_DROP_UPWARD_SPEED, direction.z * CEILING_DROP_HORIZONTAL_SPEED));
         this.hasImpulse = true;
         this.playSound(AntarchySoundEvents.JUMPY_BUG_JUMP.get(), 1.0F, 0.9F + this.random.nextFloat() * 0.1F);
     }
@@ -646,8 +653,8 @@ public class JumpyBugEntity extends Monster implements GeoEntity {
     private void finishPounce(boolean keepMomentum) {
         this.pounceTicks = 0;
         if (!keepMomentum) {
-            Vec3 movement = this.getDeltaMovement();
-            this.setDeltaMovement(movement.x * 0.25D, Math.max(0.0D, movement.y), movement.z * 0.25D);
+            Vec3 movement = this.toLocal(this.getDeltaMovement());
+            this.setDeltaMovement(this.toWorld(movement.x * 0.25D, Math.max(0.0D, movement.y), movement.z * 0.25D));
         }
         this.setAttackState(AttackState.RECOVERING);
         this.recoveryTicks = DEFAULT_RECOVERY_TICKS;
@@ -906,12 +913,12 @@ public class JumpyBugEntity extends Monster implements GeoEntity {
                 JumpyBugEntity.this.getNavigation().moveTo(target, 1.05D);
             } else if (distSqr > CHASE_LEAP_RANGE_SQR) {
                 if (JumpyBugEntity.this.onGround() && JumpyBugEntity.this.chaseJumpCooldownTicks <= 0) {
-                    Vec3 dir = target.position().subtract(JumpyBugEntity.this.position()).normalize();
-                    JumpyBugEntity.this.setDeltaMovement(
+                    Vec3 dir = JumpyBugEntity.this.toLocalPlane(target.position().subtract(JumpyBugEntity.this.position())).normalize();
+                    JumpyBugEntity.this.setDeltaMovement(JumpyBugEntity.this.toWorld(
                             dir.x * CHASE_LEAP_HORIZONTAL,
                             CHASE_LEAP_VERTICAL,
                             dir.z * CHASE_LEAP_HORIZONTAL
-                    );
+                    ));
                     JumpyBugEntity.this.hasImpulse = true;
                     JumpyBugEntity.this.chaseJumpCooldownTicks = CHASE_JUMP_COOLDOWN;
                 }
@@ -944,4 +951,30 @@ public class JumpyBugEntity extends Monster implements GeoEntity {
                     && super.canContinueToUse();
         }
     }
+
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Direction gravityDownDirection() {
+        return this.gravityDirection().isInverted() ? Direction.UP : Direction.DOWN;
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
+
+    private Vec3 toLocalPlane(Vec3 worldVector) {
+        Vec3 local = this.toLocal(worldVector);
+        return new Vec3(local.x, 0.0D, local.z);
+    }
+
+    private BlockPos relativeLocal(BlockPos origin, int x, int y, int z) {
+        Vec3 worldOffset = this.toWorld(x, y, z);
+        return origin.offset(Mth.floor(worldOffset.x), Mth.floor(worldOffset.y), Mth.floor(worldOffset.z));
+    }
 }

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/LurkingTerrorEntity.java

@@ -74,16 +74,22 @@ public class LurkingTerrorEntity extends Monster implements GeoEntity {
             return true;
         }
         BlockPos belowPos = pos.below();
+        BlockPos abovePos = pos.above();
         BlockState belowState = level.getBlockState(belowPos);
-        boolean validSupport = !belowState.is(Blocks.BEDROCK)
+        BlockState aboveState = level.getBlockState(abovePos);
+        boolean floorSupport = !belowState.is(Blocks.BEDROCK)
                 && belowState.blocksMotion()
                 && belowState.isFaceSturdy(level, belowPos, Direction.UP)
                 && belowState.isCollisionShapeFullBlock(level, belowPos);
+        boolean ceilingSupport = !aboveState.is(Blocks.BEDROCK)
+                && aboveState.blocksMotion()
+                && aboveState.isFaceSturdy(level, abovePos, Direction.DOWN)
+                && aboveState.isCollisionShapeFullBlock(level, abovePos);
 
         return level.getDifficulty() != Difficulty.PEACEFUL
-                && validSupport
+                && (floorSupport || ceilingSupport)
                 && level.isEmptyBlock(pos)
-                && level.isEmptyBlock(pos.above())
+                && (level.isEmptyBlock(pos.above()) || level.isEmptyBlock(pos.below()))
                 && Monster.checkMonsterSpawnRules(entityType, level, spawnReason, pos, random);
     }
 

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/MantisEntity.java

@@ -134,9 +134,14 @@ public class MantisEntity extends Monster implements GeoEntity {
         }
 
         boolean atSurface = level.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, pos).getY() <= pos.getY();
-        boolean posOpen = level.isEmptyBlock(pos) && level.isEmptyBlock(pos.above()) && level.getFluidState(pos).isEmpty();
-        boolean onSolidGround = level.getBlockState(pos.below()).isFaceSturdy(level, pos.below(), Direction.UP)
+        boolean hasFloorClearance = level.isEmptyBlock(pos.above());
+        boolean hasCeilingClearance = level.isEmptyBlock(pos.below());
+        boolean floorSupport = level.getBlockState(pos.below()).isFaceSturdy(level, pos.below(), Direction.UP)
                 && !(level.getBlockState(pos.below()).getBlock() instanceof LeavesBlock);
+        boolean ceilingSupport = level.getBlockState(pos.above()).isFaceSturdy(level, pos.above(), Direction.DOWN)
+                && !(level.getBlockState(pos.above()).getBlock() instanceof LeavesBlock);
+        boolean posOpen = level.isEmptyBlock(pos) && (hasFloorClearance || hasCeilingClearance) && level.getFluidState(pos).isEmpty();
+        boolean onSolidGround = floorSupport || ceilingSupport;
 
         if (!posOpen || !onSolidGround) {
             return false;
@@ -652,5 +657,3 @@ public class MantisEntity extends Monster implements GeoEntity {
 
 }
 
-
-

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/MissileSquidEntity.java

@@ -3,6 +3,9 @@ package com.craisinlord.antarchy.content.entity;
 import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
 import com.craisinlord.antarchy.content.entity.kraken.KrakenEntity;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.particles.ParticleTypes;
 import net.minecraft.nbt.CompoundTag;
@@ -446,7 +449,7 @@ public class MissileSquidEntity extends Monster implements GeoEntity {
         this.move(MoverType.SELF, velocity);
         Vec3 movedVelocity = this.getDeltaMovement();
         if (!this.isNoGravity()) {
-            movedVelocity = movedVelocity.add(0.0D, -0.08D, 0.0D);
+            movedVelocity = movedVelocity.add(this.toWorld(0.0D, -0.08D, 0.0D));
         }
 
         this.setDeltaMovement(movedVelocity.scale(this.isInWater() ? 0.9D : 0.98D));
@@ -513,9 +516,9 @@ public class MissileSquidEntity extends Monster implements GeoEntity {
     }
 
     private void tickGroundAggroMovement(LivingEntity target) {
-        Vec3 horizontal = target.position().subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
+        Vec3 horizontal = this.toLocalPlane(target.position().subtract(this.position()));
         if (horizontal.lengthSqr() > 1.0E-4D && this.onGround()) {
-            Vec3 lunge = horizontal.normalize().scale(0.16D).add(0.0D, 0.24D, 0.0D);
+            Vec3 lunge = this.toWorld(horizontal.normalize().scale(0.16D).add(new Vec3(0.0D, 0.24D, 0.0D)));
             this.setDeltaMovement(this.getDeltaMovement().add(lunge));
             this.hasImpulse = true;
         }
@@ -540,7 +543,7 @@ public class MissileSquidEntity extends Monster implements GeoEntity {
     }
 
     private void updateSwimRotation() {
-        Vec3 velocity = this.getDeltaMovement();
+        Vec3 velocity = this.toLocal(this.getDeltaMovement());
         if (velocity.horizontalDistanceSqr() > 1.0E-4D) {
             float targetYaw = (float) (Mth.atan2(velocity.z, velocity.x) * (180.0D / Math.PI)) - 90.0F;
             this.setYRot(Mth.approachDegrees(this.getYRot(), targetYaw, 10.0F));
@@ -658,15 +661,11 @@ public class MissileSquidEntity extends Monster implements GeoEntity {
     }
 
     private Vec3 createLatchAnchor(LivingEntity target) {
-        return target.position().add(
-                0.0D,
-                target.getBbHeight() + 0.15D,
-                0.0D
-        );
+        return target.position().add(this.toWorld(0.0D, target.getBbHeight() + 0.15D, 0.0D));
     }
 
     private void updateAttachedRotation(LivingEntity target) {
-        Vec3 direction = target.position().subtract(this.position());
+        Vec3 direction = this.toLocal(target.position().subtract(this.position()));
         if (direction.horizontalDistanceSqr() > 1.0E-4D) {
             float targetYaw = (float)(Mth.atan2(direction.z, direction.x) * (180.0D / Math.PI)) - 90.0F;
             this.setYRot(targetYaw);
@@ -721,11 +720,32 @@ public class MissileSquidEntity extends Monster implements GeoEntity {
         if (this.launchedFromSquidzooka
                 || this.getTarget() != null
                 || velocity.lengthSqr() > 1.0E-3D
-                || (this.isInWater() && velocity.horizontalDistanceSqr() > 1.0E-4D)) {
+                || (this.isInWater() && this.toLocal(velocity).horizontalDistanceSqr() > 1.0E-4D)) {
             this.setAnimationState(ANIM_SWIM);
             return;
         }
 
         this.setAnimationState(ANIM_IDLE);
     }
+
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(Vec3 localVector) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(localVector, this.gravityDirection());
+    }
+
+    private Vec3 toLocalPlane(Vec3 worldVector) {
+        Vec3 local = this.toLocal(worldVector);
+        return new Vec3(local.x, 0.0D, local.z);
+    }
 }

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/MolevoreEntity.java

@@ -4,6 +4,9 @@ import com.craisinlord.antarchy.Antarchy;
 import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchyTags;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import java.util.HashSet;
 import java.util.Set;
 import java.util.UUID;
@@ -475,12 +478,13 @@ public class MolevoreEntity extends Monster implements GeoEntity {
             }
 
             if (entity.hurt(this.damageSources().mobAttack(this), (float) this.getAttributeValue(Attributes.ATTACK_DAMAGE))) {
-                Vec3 push = entity.position().subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
+                Vec3 push = this.toLocalPlane(entity.position().subtract(this.position()));
                 if (push.lengthSqr() < 1.0E-4D) {
-                    push = this.getViewVector(1.0F).multiply(1.0D, 0.0D, 1.0D);
+                    push = this.toLocalPlane(this.getViewVector(1.0F));
                 }
                 push = push.normalize().scale(0.8D);
-                entity.push(push.x, 0.25D, push.z);
+                Vec3 worldPush = this.toWorld(push.x, 0.25D, push.z);
+                entity.push(worldPush.x, worldPush.y, worldPush.z);
                 entity.hurtMarked = true;
             }
         }
@@ -493,12 +497,12 @@ public class MolevoreEntity extends Monster implements GeoEntity {
     }
 
     private void startSpinCharge(LivingEntity target) {
-        Vec3 horizontal = target.position().subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
+        Vec3 horizontal = this.toLocalPlane(target.position().subtract(this.position()));
         if (horizontal.lengthSqr() < 1.0E-4D) {
             return;
         }
 
-        this.spinDirection = horizontal.normalize();
+        this.spinDirection = this.toWorld(horizontal.normalize());
         this.spinHitEntities.clear();
         this.setActionState(ACTION_SPIN_CHARGE);
         this.actionTicks = SPIN_TOTAL_TICKS;
@@ -514,15 +518,15 @@ public class MolevoreEntity extends Monster implements GeoEntity {
 
         if (target != null && inWindup) {
             this.getLookControl().setLookAt(target, 35.0F, 20.0F);
-            Vec3 horizontal = target.position().subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
+            Vec3 horizontal = this.toLocalPlane(target.position().subtract(this.position()));
             if (horizontal.lengthSqr() > 1.0E-4D) {
-                this.spinDirection = horizontal.normalize();
+                this.spinDirection = this.toWorld(horizontal.normalize());
             }
             this.setDeltaMovement(this.getDeltaMovement().scale(0.2D));
         } else {
             Vec3 lookTarget = this.position().add(this.spinDirection);
-            this.getLookControl().setLookAt(lookTarget.x, this.getEyeY(), lookTarget.z, 360.0F, 0.0F);
-            Vec3 motion = this.spinDirection.scale(SPIN_SPEED).add(0.0D, this.onGround() ? 0.08D : 0.0D, 0.0D);
+            this.getLookControl().setLookAt(lookTarget.x, lookTarget.y, lookTarget.z, 360.0F, 0.0F);
+            Vec3 motion = this.spinDirection.scale(SPIN_SPEED).add(this.toWorld(0.0D, this.onGround() ? 0.08D : 0.0D, 0.0D));
             this.setDeltaMovement(motion);
             this.hasImpulse = true;
             this.performSpinChargeHit();
@@ -553,8 +557,15 @@ public class MolevoreEntity extends Monster implements GeoEntity {
             }
 
             if (entity.hurt(this.damageSources().mobAttack(this), (float) this.getAttributeValue(Attributes.ATTACK_DAMAGE) * 1.65F)) {
-                Vec3 push = this.spinDirection.lengthSqr() > 0.0D ? this.spinDirection : entity.position().subtract(this.position()).normalize();
-                entity.push(push.x * 1.15D, 0.35D, push.z * 1.15D);
+                Vec3 push = this.spinDirection.lengthSqr() > 0.0D
+                        ? this.toLocalPlane(this.spinDirection)
+                        : this.toLocalPlane(entity.position().subtract(this.position()));
+                if (push.lengthSqr() < 1.0E-4D) {
+                    push = this.toLocalPlane(this.getViewVector(1.0F));
+                }
+                push = push.normalize();
+                Vec3 worldPush = this.toWorld(push.x * 1.15D, 0.35D, push.z * 1.15D);
+                entity.push(worldPush.x, worldPush.y, worldPush.z);
                 entity.hurtMarked = true;
                 this.playSound(AntarchySoundEvents.MOLEVORE_ATTACK.get(), 1.0F, 0.65F + this.random.nextFloat() * 0.1F);
             }
@@ -593,21 +604,21 @@ public class MolevoreEntity extends Monster implements GeoEntity {
         Vec3 forward = this.getViewVector(1.0F).normalize();
         Vec3 digCenter = this.position()
                 .add(forward.scale(1.0D))
-                .add(0.0D, -0.5D, 0.0D);
+                .add(this.toWorld(0.0D, -0.5D, 0.0D));
 
         double halfWidth = 0.9D;
         double digDepth = 1.5D;
         BlockPos min = BlockPos.containing(digCenter.x - halfWidth, digCenter.y - digDepth, digCenter.z - halfWidth);
         BlockPos max = BlockPos.containing(digCenter.x + halfWidth, digCenter.y + 0.4D, digCenter.z + halfWidth);
 
-        Vec3 hForward = forward.multiply(1.0D, 0.0D, 1.0D);
+        Vec3 hForward = this.toLocalPlane(forward);
         for (BlockPos pos : BlockPos.betweenClosed(min, max)) {
             BlockState state = this.level().getBlockState(pos);
             if (!state.is(AntarchyTags.Blocks.MOLEVORE_BREAKABLE_BLOCKS) || state.isAir()) {
                 continue;
             }
             if (hForward.lengthSqr() > 1.0E-4D) {
-                Vec3 toBlock = Vec3.atCenterOf(pos).subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
+                Vec3 toBlock = this.toLocalPlane(Vec3.atCenterOf(pos).subtract(this.position()));
                 if (toBlock.lengthSqr() > 1.0E-4D && hForward.normalize().dot(toBlock.normalize()) < -0.2D) {
                     continue;
                 }
@@ -642,12 +653,12 @@ public class MolevoreEntity extends Monster implements GeoEntity {
         }
 
         Vec3 forward = direction.normalize();
-        Vec3 center = this.position().add(forward.scale(range * 0.5D)).add(0.0D, this.getBbHeight() * 0.4D, 0.0D);
+        Vec3 center = this.position().add(forward.scale(range * 0.5D)).add(this.toWorld(0.0D, this.getBbHeight() * 0.4D, 0.0D));
         BlockPos min = BlockPos.containing(center.x - halfWidth, center.y - verticalRange * 0.5D, center.z - halfWidth);
         BlockPos max = BlockPos.containing(center.x + halfWidth, center.y + verticalRange * 0.5D, center.z + halfWidth);
 
         boolean broke = false;
-        Vec3 hForward = forward.multiply(1.0D, 0.0D, 1.0D);
+        Vec3 hForward = this.toLocalPlane(forward);
         for (BlockPos pos : BlockPos.betweenClosed(min, max)) {
             BlockState state = this.level().getBlockState(pos);
             if (!state.is(AntarchyTags.Blocks.MOLEVORE_BREAKABLE_BLOCKS) || state.isAir()) {
@@ -655,7 +666,7 @@ public class MolevoreEntity extends Monster implements GeoEntity {
             }
 
             Vec3 blockCenter = Vec3.atCenterOf(pos);
-            Vec3 toBlock = blockCenter.subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
+            Vec3 toBlock = this.toLocalPlane(blockCenter.subtract(this.position()));
             if (hForward.lengthSqr() > 1.0E-4D && toBlock.lengthSqr() > 1.0E-4D
                     && hForward.normalize().dot(toBlock.normalize()) < -0.15D) {
                 continue;
@@ -668,14 +679,31 @@ public class MolevoreEntity extends Monster implements GeoEntity {
     }
 
     private boolean isInFront(Vec3 position, double minimumDot) {
-        Vec3 forward = this.getViewVector(1.0F).multiply(1.0D, 0.0D, 1.0D);
-        Vec3 toTarget = position.subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
+        Vec3 forward = this.toLocalPlane(this.getViewVector(1.0F));
+        Vec3 toTarget = this.toLocalPlane(position.subtract(this.position()));
         if (forward.lengthSqr() < 1.0E-4D || toTarget.lengthSqr() < 1.0E-4D) {
             return true;
         }
         return forward.normalize().dot(toTarget.normalize()) >= minimumDot;
     }
 
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(Vec3 localVector) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(localVector, this.gravityDirection());
+    }
+
+    private Vec3 toLocalPlane(Vec3 worldVector) {
+        Vec3 local = AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+        return new Vec3(local.x, 0.0D, local.z);
+    }
+
     private int getActionState() {
         return this.entityData.get(ACTION_STATE);
     }

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/OuranwoodDeerEntity.java

@@ -3,6 +3,9 @@ package com.craisinlord.antarchy.content.entity;
 import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchyObjects;
 import com.craisinlord.antarchy.content.AntarchyTags;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import java.util.EnumSet;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.syncher.EntityDataAccessor;
@@ -222,7 +225,7 @@ public class OuranwoodDeerEntity extends Animal implements GeoEntity {
     }
 
     private PlayState mainAnimController(AnimationState<OuranwoodDeerEntity> state) {
-        double speedSqr = this.getDeltaMovement().horizontalDistanceSqr();
+        double speedSqr = this.toLocal(this.getDeltaMovement()).horizontalDistanceSqr();
         if (this.hurtTime > 0 || speedSqr > RUN_SPEED_THRESHOLD_SQR) {
             return state.setAndContinue(RUN_ANIM);
         }
@@ -242,6 +245,14 @@ public class OuranwoodDeerEntity extends Animal implements GeoEntity {
         return MIN_QUIRK_COOLDOWN + this.random.nextInt(MAX_QUIRK_COOLDOWN - MIN_QUIRK_COOLDOWN + 1);
     }
 
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
     @Override
     public AnimatableInstanceCache getAnimatableInstanceCache() {
         return this.geoCache;

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/RollyPollyEntity.java

@@ -4,6 +4,9 @@ import com.craisinlord.antarchy.Antarchy;
 import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchyTags;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 
 import java.util.EnumSet;
 import net.minecraft.core.BlockPos;
@@ -111,14 +114,16 @@ public class RollyPollyEntity extends TamableAnimal implements GeoEntity {
         }
 
         BlockPos belowPos = pos.below();
+        BlockPos abovePos = pos.above();
         if (level.getDifficulty() == Difficulty.PEACEFUL) {
             return false;
         }
         return level.getBlockState(pos).isAir()
-                && level.getBlockState(pos.above()).isAir()
+                && (level.getBlockState(pos.above()).isAir() || level.getBlockState(pos.below()).isAir())
                 && level.getFluidState(pos).isEmpty()
-                && level.getFluidState(pos.above()).isEmpty()
-                && level.getBlockState(belowPos).isFaceSturdy(level, belowPos, Direction.UP);
+                && (level.getFluidState(pos.above()).isEmpty() || level.getFluidState(pos.below()).isEmpty())
+                && (level.getBlockState(belowPos).isFaceSturdy(level, belowPos, Direction.UP)
+                || level.getBlockState(abovePos).isFaceSturdy(level, abovePos, Direction.DOWN));
     }
 
     public static AttributeSupplier.Builder createAttributes() {
@@ -347,7 +352,7 @@ public class RollyPollyEntity extends TamableAnimal implements GeoEntity {
     }
 
     private void tickRollSound() {
-        if (!this.isRolled() || this.rollTransitionTicks > 0 || this.getDeltaMovement().horizontalDistanceSqr() <= 0.003D) {
+        if (!this.isRolled() || this.rollTransitionTicks > 0 || this.toLocal(this.getDeltaMovement()).horizontalDistanceSqr() <= 0.003D) {
             this.rollSoundCooldown = 0;
             return;
         }
@@ -700,9 +705,12 @@ public class RollyPollyEntity extends TamableAnimal implements GeoEntity {
                 return;
             }
 
-            double dx = RollyPollyEntity.this.getX() - target.getX();
-            double dz = RollyPollyEntity.this.getZ() - target.getZ();
-            target.knockback(AntarchySettings.rollyPollyBowlingKnockback(), dx, dz);
+            Vec3 localAway = RollyPollyEntity.this.toLocalPlane(RollyPollyEntity.this.position().subtract(target.position()));
+            if (localAway.lengthSqr() < 1.0E-4D) {
+                localAway = new Vec3(1.0D, 0.0D, 0.0D);
+            }
+            Vec3 worldAway = RollyPollyEntity.this.toWorld(localAway.normalize());
+            target.knockback(AntarchySettings.rollyPollyBowlingKnockback(), worldAway.x, worldAway.z);
             RollyPollyEntity.this.playSound(AntarchySoundEvents.ROLLY_POLLY_ROLL.get(), 1.0F, 0.8F + RollyPollyEntity.this.random.nextFloat() * 0.2F);
         }
     }
@@ -848,8 +856,8 @@ public class RollyPollyEntity extends TamableAnimal implements GeoEntity {
                         RollyPollyEntity.this.startUnroll();
                     }
                 } else {
-                    RollyPollyEntity.this.getNavigation().moveTo(
-                            this.bedPos.getX() + 0.5D, this.bedPos.getY() + 1.0D, this.bedPos.getZ() + 0.5D, 1.1D);
+                    Vec3 bedTarget = Vec3.atCenterOf(this.bedPos).add(RollyPollyEntity.this.toWorld(0.0D, 0.5D, 0.0D));
+                    RollyPollyEntity.this.getNavigation().moveTo(bedTarget.x, bedTarget.y, bedTarget.z, 1.1D);
                 }
                 return;
             }
@@ -861,4 +869,25 @@ public class RollyPollyEntity extends TamableAnimal implements GeoEntity {
             }
         }
     }
+
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(Vec3 localVector) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(localVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
+
+    private Vec3 toLocalPlane(Vec3 worldVector) {
+        Vec3 local = this.toLocal(worldVector);
+        return new Vec3(local.x, 0.0D, local.z);
+    }
 }

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/ScorpionEntity.java

@@ -2,6 +2,9 @@ package com.craisinlord.antarchy.content.entity;
 
 import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import net.minecraft.core.BlockPos;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.syncher.EntityDataAccessor;
@@ -195,13 +198,16 @@ public class ScorpionEntity extends Monster implements GeoEntity {
     }
 
     private void commitLunge(LivingEntity target, double horizontalSpeed, double verticalSpeed) {
-        Vec3 lunge = target.position().subtract(this.position());
-        Vec3 horizontal = new Vec3(lunge.x, 0.0D, lunge.z);
+        AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(this);
+        Vec3 localLunge = AntarchyGravityRotationUtil.vecWorldToPlayer(target.position().subtract(this.position()), direction);
+        Vec3 horizontal = new Vec3(localLunge.x, 0.0D, localLunge.z);
         if (horizontal.lengthSqr() < 1.0E-4D) {
             return;
         }
         horizontal = horizontal.normalize().scale(horizontalSpeed);
-        this.setDeltaMovement(this.getDeltaMovement().add(horizontal.x, verticalSpeed, horizontal.z));
+        Vec3 localImpulse = new Vec3(horizontal.x, verticalSpeed, horizontal.z);
+        Vec3 worldImpulse = AntarchyGravityRotationUtil.vecPlayerToWorld(localImpulse, direction);
+        this.setDeltaMovement(this.getDeltaMovement().add(worldImpulse.x, worldImpulse.y, worldImpulse.z));
         this.hasImpulse = true;
     }
 

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/SpitBugEntity.java

@@ -3,6 +3,9 @@ package com.craisinlord.antarchy.content.entity;
 import com.craisinlord.antarchy.Antarchy;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
 import com.craisinlord.antarchy.content.damage.AntarchyDamageSources;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.registries.BuiltInRegistries;
 import net.minecraft.network.syncher.EntityDataAccessor;
@@ -89,7 +92,7 @@ public class SpitBugEntity extends Monster implements GeoEntity {
         }
         return level.getDifficulty() != Difficulty.PEACEFUL
                 && level.isEmptyBlock(pos)
-                && level.isEmptyBlock(pos.above())
+                && (level.isEmptyBlock(pos.above()) || level.isEmptyBlock(pos.below()))
                 && Monster.checkMonsterSpawnRules(entityType, level, spawnReason, pos, random);
     }
 
@@ -221,7 +224,7 @@ public class SpitBugEntity extends Monster implements GeoEntity {
 
         SpitBugProjectileEntity projectile = new SpitBugProjectileEntity(projectileType, this, serverLevel);
         Vec3 origin = this.position()
-                .add(0.0D, this.getBbHeight() * 0.55D, 0.0D)
+                .add(this.toWorld(0.0D, this.getBbHeight() * 0.55D, 0.0D))
                 .add(this.getViewVector(0.0F).scale(1.35D));
         Vec3 aimPoint = target.getEyePosition().add(target.getDeltaMovement().scale(0.45D));
         Vec3 direction = aimPoint.subtract(origin).normalize();
@@ -232,6 +235,14 @@ public class SpitBugEntity extends Monster implements GeoEntity {
         this.playSound(AntarchySoundEvents.SPIT_BUG_SPIT.get(), 1.0F, 0.85F + this.random.nextFloat() * 0.15F);
     }
 
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
+
     private final class SpitAttackGoal extends Goal {
         SpitAttackGoal() {
             this.setFlags(EnumSet.of(Flag.MOVE, Flag.LOOK));

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/StinkBugEntity.java

@@ -70,14 +70,16 @@ public class StinkBugEntity extends Animal implements GeoEntity {
             return true;
         }
         BlockPos belowPos = pos.below();
+        BlockPos abovePos = pos.above();
         if (level.getDifficulty() == Difficulty.PEACEFUL) {
             return false;
         }
         return level.getBlockState(pos).isAir()
-                && level.getBlockState(pos.above()).isAir()
+                && (level.getBlockState(pos.above()).isAir() || level.getBlockState(pos.below()).isAir())
                 && level.getFluidState(pos).isEmpty()
-                && level.getFluidState(pos.above()).isEmpty()
-                && level.getBlockState(belowPos).isFaceSturdy(level, belowPos, Direction.UP);
+                && (level.getFluidState(pos.above()).isEmpty() || level.getFluidState(pos.below()).isEmpty())
+                && (level.getBlockState(belowPos).isFaceSturdy(level, belowPos, Direction.UP)
+                || level.getBlockState(abovePos).isFaceSturdy(level, abovePos, Direction.DOWN));
     }
 
     @Override

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/WaspEntity.java

@@ -3,6 +3,9 @@ package com.craisinlord.antarchy.content.entity;
 import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
 import com.craisinlord.antarchy.content.block.entity.WaspNestBlockEntity;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import java.util.EnumSet;
 import java.util.Objects;
 import net.minecraft.core.BlockPos;
@@ -100,7 +103,7 @@ public class WaspEntity extends Monster implements GeoEntity, FlyingAnimal {
 
         return level.getDifficulty() != Difficulty.PEACEFUL
                 && level.isEmptyBlock(pos)
-                && level.isEmptyBlock(pos.above());
+                && (level.isEmptyBlock(pos.above()) || level.isEmptyBlock(pos.below()));
     }
 
     @Override
@@ -304,7 +307,7 @@ public class WaspEntity extends Monster implements GeoEntity, FlyingAnimal {
 
     @Override
     public Vec3 getLeashOffset() {
-        return new Vec3(0.0D, 0.2D, 0.0D);
+        return this.toWorld(0.0D, 0.2D, 0.0D);
     }
 
     public boolean isPandaVariant() {
@@ -328,6 +331,14 @@ public class WaspEntity extends Monster implements GeoEntity, FlyingAnimal {
         return !this.onGround();
     }
 
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
+
     private void realignHitbox() {
         double halfWidth = this.getBbWidth() * 0.5D;
         double height = this.getBbHeight();

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/ant/AntTeleportHelper.java

@@ -15,6 +15,7 @@ import net.minecraft.server.level.PlayerRespawnLogic;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.sounds.SoundEvents;
+import net.minecraft.util.Mth;
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.Mob;
@@ -253,8 +254,12 @@ public final class AntTeleportHelper {
             return safeArrivalPos;
         }
 
-        BlockPos fallbackPos = player.adjustSpawnLocation(destination, preferredPos);
-        return Vec3.atBottomCenterOf(fallbackPos);
+        if (destination.hasChunkAt(preferredPos)) {
+            BlockPos fallbackPos = player.adjustSpawnLocation(destination, preferredPos);
+            return Vec3.atBottomCenterOf(fallbackPos);
+        }
+
+        return Vec3.atBottomCenterOf(getClampedFallbackPosition(destination, preferredPos));
     }
 
     @Nullable
@@ -283,8 +288,10 @@ public final class AntTeleportHelper {
                     }
 
                     BlockPos searchPos = preferredPos.offset(xOffset, 0, zOffset);
-                    addArrivalCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, searchPos));
-                    addArrivalCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.WORLD_SURFACE, searchPos));
+                    if (destination.hasChunkAt(searchPos)) {
+                        addArrivalCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, searchPos));
+                        addArrivalCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.WORLD_SURFACE, searchPos));
+                    }
                 }
             }
         }
@@ -347,13 +354,22 @@ public final class AntTeleportHelper {
 
     @Nullable
     private static Vec3 tryFindSafeDismount(ServerPlayer player, ServerLevel destination, BlockPos candidate) {
+        if (!isSafeDismountAreaLoaded(destination, candidate)) {
+            return null;
+        }
+
         Vec3 safePos = DismountHelper.findSafeDismountLocation(player.getType(), destination, candidate, true);
         if (safePos != null && isValidArrivalPosition(destination, safePos)) {
             return safePos;
         }
 
         for (Direction direction : Direction.Plane.HORIZONTAL) {
-            safePos = DismountHelper.findSafeDismountLocation(player.getType(), destination, candidate.relative(direction), true);
+            BlockPos offsetCandidate = candidate.relative(direction);
+            if (!isSafeDismountAreaLoaded(destination, offsetCandidate)) {
+                continue;
+            }
+
+            safePos = DismountHelper.findSafeDismountLocation(player.getType(), destination, offsetCandidate, true);
             if (safePos != null && isValidArrivalPosition(destination, safePos)) {
                 return safePos;
             }
@@ -368,6 +384,31 @@ public final class AntTeleportHelper {
         }
 
         BlockPos standPos = BlockPos.containing(safePos);
+        if (!destination.hasChunkAt(standPos) || !destination.hasChunkAt(standPos.below())) {
+            return false;
+        }
+
         return !destination.getBlockState(standPos.below()).is(Blocks.BEDROCK);
     }
+
+    private static boolean isSafeDismountAreaLoaded(ServerLevel destination, BlockPos center) {
+        if (!destination.hasChunkAt(center) || !destination.hasChunkAt(center.above()) || !destination.hasChunkAt(center.below())) {
+            return false;
+        }
+
+        for (Direction direction : Direction.Plane.HORIZONTAL) {
+            BlockPos offset = center.relative(direction);
+            if (!destination.hasChunkAt(offset) || !destination.hasChunkAt(offset.above()) || !destination.hasChunkAt(offset.below())) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    private static BlockPos getClampedFallbackPosition(ServerLevel destination, BlockPos preferredPos) {
+        int minY = destination.getMinBuildHeight() + 1;
+        int maxY = destination.getMaxBuildHeight() - 1;
+        return new BlockPos(preferredPos.getX(), Mth.clamp(preferredPos.getY(), minY, maxY), preferredPos.getZ());
+    }
 }

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/brutalfly/BrutalflyEntity.java

@@ -4,6 +4,8 @@ import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.boss.BossCombatUtil;
 import com.craisinlord.antarchy.content.AntarchyObjects;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import java.util.EnumSet;
 import java.util.Objects;
 import net.minecraft.core.BlockPos;
@@ -568,7 +570,9 @@ public class BrutalflyEntity extends Monster implements GeoEntity {
 
     private boolean shouldSwipe(LivingEntity target, FightPhase phase) {
         double horizontalDistanceSqr = new Vec3(target.getX() - this.getX(), 0.0D, target.getZ() - this.getZ()).lengthSqr();
-        boolean beneathBoss = horizontalDistanceSqr <= 16.0D && target.getY() <= this.getY() + 2.0D;
+        Vec3 localDelta = AntarchyGravityRotationUtil.vecWorldToPlayer(target.position().subtract(this.position()), AntarchyGravityApi.getGravityDirection(this));
+        horizontalDistanceSqr = new Vec3(localDelta.x, 0.0D, localDelta.z).lengthSqr();
+        boolean beneathBoss = horizontalDistanceSqr <= 16.0D && localDelta.y <= 2.0D;
         return beneathBoss || this.distanceToSqr(target) <= phase.swipeRangeSqr;
     }
 
@@ -579,7 +583,7 @@ public class BrutalflyEntity extends Monster implements GeoEntity {
     }
 
     private void tickSwipe(LivingEntity target) {
-        Vec3 divePoint = target.position().add(0.0D, 1.0D, 0.0D);
+        Vec3 divePoint = target.position().add(AntarchyGravityRotationUtil.vecPlayerToWorld(0.0D, 1.0D, 0.0D, AntarchyGravityApi.getGravityDirection(this)));
         this.getMoveControl().setWantedPosition(divePoint.x, divePoint.y, divePoint.z, 1.45D);
 
         if (this.animationTicks == 8) {
@@ -608,7 +612,7 @@ public class BrutalflyEntity extends Monster implements GeoEntity {
                 dz = this.random.nextDouble() - 0.5D;
             }
             target.knockback(SWIPE_KNOCKBACK, -dx, -dz);
-            target.setDeltaMovement(target.getDeltaMovement().add(0.0D, 0.3D, 0.0D));
+            target.setDeltaMovement(target.getDeltaMovement().add(AntarchyGravityRotationUtil.vecPlayerToWorld(0.0D, 0.3D, 0.0D, AntarchyGravityApi.getGravityDirection(this))));
         }
     }
 

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/cloud_shark/CloudSharkEntity.java

@@ -2,6 +2,9 @@ package com.craisinlord.antarchy.content.entity.cloud_shark;
 
 import com.craisinlord.antarchy.config.AntarchySettings;
 import com.craisinlord.antarchy.content.AntarchySoundEvents;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.particles.ParticleTypes;
 import net.minecraft.server.level.ServerLevel;
@@ -121,7 +124,7 @@ public class CloudSharkEntity extends Monster implements GeoEntity {
                                    MobSpawnType spawnReason, BlockPos pos, RandomSource random) {
         return level.getDifficulty() != Difficulty.PEACEFUL
                 && level.isEmptyBlock(pos)
-                && level.isEmptyBlock(pos.above())
+                && (level.isEmptyBlock(pos.above()) || level.isEmptyBlock(pos.below()))
                 && level.getFluidState(pos).isEmpty();
     }
 
@@ -303,15 +306,15 @@ public class CloudSharkEntity extends Monster implements GeoEntity {
     public boolean doHurtTarget(Entity target) {
         boolean hurt = super.doHurtTarget(target);
         if (hurt && target instanceof LivingEntity livingTarget) {
-            Vec3 push = livingTarget.position().subtract(this.position());
-            Vec3 horizontal = new Vec3(push.x, 0.0D, push.z);
-            if (horizontal.lengthSqr() < 1.0E-4D) horizontal = this.getForward().multiply(1.0D, 0.0D, 1.0D);
+            Vec3 horizontal = this.toLocalPlane(livingTarget.position().subtract(this.position()));
+            if (horizontal.lengthSqr() < 1.0E-4D) horizontal = this.toLocalPlane(this.getForward());
             if (horizontal.lengthSqr() < 1.0E-4D) horizontal = new Vec3(1.0D, 0.0D, 0.0D);
             horizontal = horizontal.normalize();
             Vec3 sideways = new Vec3(-horizontal.z, 0.0D, horizontal.x);
             if (this.random.nextBoolean()) sideways = sideways.scale(-1.0D);
             Vec3 knockback = horizontal.scale(0.7D).add(sideways.scale(0.45D));
-            livingTarget.push(knockback.x, 0.28D, knockback.z);
+            Vec3 worldKnockback = this.toWorld(knockback.x, 0.28D, knockback.z);
+            livingTarget.push(worldKnockback.x, worldKnockback.y, worldKnockback.z);
             this.playSound(AntarchySoundEvents.CLOUD_SHARK_BITE.get(), 1.0F, 0.85F + this.random.nextFloat() * 0.2F);
         }
         return hurt;
@@ -366,7 +369,7 @@ public class CloudSharkEntity extends Monster implements GeoEntity {
         }
 
         boolean isFlyingAnim = this.getAnimationState() == ANIM_SWIM;
-        boolean isMoving = this.getDeltaMovement().horizontalDistanceSqr() > 0.0125D;
+        boolean isMoving = this.toLocal(this.getDeltaMovement()).horizontalDistanceSqr() > 0.0125D;
         if (!isFlyingAnim || !isMoving) {
             this.flySoundCooldown = 0;
             return;
@@ -462,9 +465,10 @@ public class CloudSharkEntity extends Monster implements GeoEntity {
         if (this.diveCooldown > 0 || !this.hasLineOfSight(target)) return false;
         if (this.strafeTicks > Math.max(6, this.currentStrafeDuration / 2)) return false;
         double distanceToTarget = this.distanceToSqr(target);
+        double localHeight = this.toLocal(target.position().subtract(this.position())).y;
         return distanceToTarget >= 9.0D
                 && distanceToTarget <= 144.0D
-                && this.getY() > target.getY() + 0.5D;
+                && localHeight < -0.5D;
     }
 
     private boolean canConnectDive(LivingEntity target) {
@@ -479,27 +483,30 @@ public class CloudSharkEntity extends Monster implements GeoEntity {
 
     private Vec3 getStrafePoint(LivingEntity target) {
         double angle = this.tickCount * 0.18D * this.orbitDirection + this.currentStrafeAngleOffset;
-        double x = target.getX() + Math.cos(angle) * this.currentStrafeRadius;
-        double z = target.getZ() + Math.sin(angle) * this.currentStrafeRadius;
-        double y = target.getY() + this.currentStrafeHeightOffset
-                + Math.sin((this.tickCount + this.getId()) * 0.14D) * 0.5D;
-        return new Vec3(x, y, z);
+        Vec3 localOffset = new Vec3(
+                Math.cos(angle) * this.currentStrafeRadius,
+                this.currentStrafeHeightOffset + Math.sin((this.tickCount + this.getId()) * 0.14D) * 0.5D,
+                Math.sin(angle) * this.currentStrafeRadius
+        );
+        return target.position().add(this.toWorld(localOffset));
     }
 
     private Vec3 createRecoveryTarget(Vec3 strikeTarget) {
         double radius = this.currentStrafeRadius + 1.5D + this.random.nextDouble() * 1.2D;
         double angle  = this.currentStrafeAngleOffset + (Math.PI / 2.0D) * this.orbitDirection;
-        double x = strikeTarget.x + Math.cos(angle) * radius;
-        double z = strikeTarget.z + Math.sin(angle) * radius;
-        double y = strikeTarget.y + 2.0D + this.random.nextDouble() * 1.2D;
-        return new Vec3(x, y, z);
+        Vec3 localOffset = new Vec3(
+                Math.cos(angle) * radius,
+                2.0D + this.random.nextDouble() * 1.2D,
+                Math.sin(angle) * radius
+        );
+        return strikeTarget.add(this.toWorld(localOffset));
     }
 
     private Vec3 createDiveStrikeTarget(LivingEntity target) {
         Vec3 predictedOffset = target.getDeltaMovement().scale(5.0D);
         return target.position()
                 .add(predictedOffset)
-                .add(0.0D, target.getBbHeight() * 0.45D, 0.0D);
+                .add(this.toWorld(0.0D, target.getBbHeight() * 0.45D, 0.0D));
     }
 
     private Vec3 findPatrolTarget() {
@@ -575,7 +582,7 @@ public class CloudSharkEntity extends Monster implements GeoEntity {
     }
 
     private void updateFlightRotation() {
-        Vec3 velocity = this.getDeltaMovement();
+        Vec3 velocity = this.toLocal(this.getDeltaMovement());
         if (velocity.horizontalDistanceSqr() > 1.0E-4D) {
             float targetYaw = (float) (Mth.atan2(velocity.z, velocity.x) * (180.0D / Math.PI)) - 90.0F;
             this.setYRot(Mth.approachDegrees(this.getYRot(), targetYaw, 8.0F));
@@ -589,6 +596,27 @@ public class CloudSharkEntity extends Monster implements GeoEntity {
         }
     }
 
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(Vec3 localVector) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(localVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(double x, double y, double z) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(x, y, z, this.gravityDirection());
+    }
+
+    private Vec3 toLocalPlane(Vec3 worldVector) {
+        Vec3 local = this.toLocal(worldVector);
+        return new Vec3(local.x, 0.0D, local.z);
+    }
+
     private int nextStrafeDuration() {
         return STRAFE_MIN_TICKS + this.random.nextInt(STRAFE_MAX_TICKS - STRAFE_MIN_TICKS + 1);
     }

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/entity/nightmare/NightmareEntity.java

@@ -6,6 +6,9 @@ import com.craisinlord.antarchy.content.AntarchySoundEvents;
 import com.craisinlord.antarchy.content.AntarchyTags;
 import com.craisinlord.antarchy.content.boss.BossCombatUtil;
 import com.craisinlord.antarchy.content.damage.AntarchyDamageSources;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.core.particles.ParticleTypes;
@@ -256,10 +259,10 @@ public class NightmareEntity extends Monster implements GeoEntity {
     }
 
     public static boolean canSpawn(EntityType<NightmareEntity> entityType, ServerLevelAccessor level, MobSpawnType spawnReason, BlockPos pos, RandomSource random) {
-        boolean sturdy = level.getBlockState(pos.below()).isFaceSturdy(level, pos.below(), Direction.UP);
         boolean posEmpty = level.isEmptyBlock(pos);
-        boolean aboveEmpty = level.isEmptyBlock(pos.above());
-        return level.getDifficulty() != Difficulty.PEACEFUL && sturdy && posEmpty && aboveEmpty;
+        boolean floorSpawn = level.getBlockState(pos.below()).isFaceSturdy(level, pos.below(), Direction.UP) && level.isEmptyBlock(pos.above());
+        boolean ceilingSpawn = level.getBlockState(pos.above()).isFaceSturdy(level, pos.above(), Direction.DOWN) && level.isEmptyBlock(pos.below());
+        return level.getDifficulty() != Difficulty.PEACEFUL && posEmpty && (floorSpawn || ceilingSpawn);
     }
 
     @Override
@@ -730,21 +733,23 @@ public class NightmareEntity extends Monster implements GeoEntity {
         this.getNavigation().stop();
         this.faceTowardTarget(target, 180.0F);
         Vec3 lungeTarget = this.shouldUseFlyingLocomotion()
-                ? new Vec3(target.getX(), this.getFlyingAttackTargetY(target), target.getZ())
+                ? this.getFlyingAttackTargetPos(target)
                 : target.getEyePosition();
         Vec3 lunge = lungeTarget.subtract(this.getEyePosition());
         if (lunge.lengthSqr() > 1.0E-4D) {
-            Vec3 normalized = lunge.normalize();
+            AntarchyGravityDirection direction = this.gravityDirection();
+            Vec3 normalized = AntarchyGravityRotationUtil.vecWorldToPlayer(lunge, direction).normalize();
             double verticalBoost = this.shouldUseFlyingLocomotion() ? 0.34D : 0.18D;
-            Vec3 current = this.getDeltaMovement();
+            Vec3 current = AntarchyGravityRotationUtil.vecWorldToPlayer(this.getDeltaMovement(), direction);
             double upward = this.shouldUseFlyingLocomotion()
                     ? Math.max(normalized.y * verticalBoost, -0.08D)
                     : normalized.y * verticalBoost;
-            this.setDeltaMovement(
+            this.setDeltaMovement(AntarchyGravityRotationUtil.vecPlayerToWorld(
                     normalized.x * 0.85D,
                     current.y * 0.18D + upward,
-                    normalized.z * 0.85D
-            );
+                    normalized.z * 0.85D,
+                    direction
+            ));
             this.hasImpulse = true;
         }
     }
@@ -990,26 +995,27 @@ public class NightmareEntity extends Monster implements GeoEntity {
     }
 
     private void performAttackHit(@Nullable LivingEntity target) {
-        Vec3 forward = this.getViewVector(1.0F).multiply(1.0D, 0.0D, 1.0D);
+        Vec3 forward = this.getPlaneForward(this.getViewVector(1.0F));
         if (forward.lengthSqr() < 1.0E-4D) {
-            float yawRadians = this.getYRot() * Mth.DEG_TO_RAD;
-            forward = new Vec3(-Mth.sin(yawRadians), 0.0D, Mth.cos(yawRadians));
+            forward = this.toWorld(new Vec3(-Mth.sin(this.getYRot() * Mth.DEG_TO_RAD), 0.0D, Mth.cos(this.getYRot() * Mth.DEG_TO_RAD)));
         }
         if (forward.lengthSqr() < 1.0E-4D) {
-            forward = new Vec3(0.0D, 0.0D, 1.0D);
+            forward = this.toWorld(new Vec3(0.0D, 0.0D, 1.0D));
         }
         forward = forward.normalize();
         Vec3 strikeOrigin = this.position()
-                .add(0.0D, this.getBbHeight() * 0.55D, 0.0D)
+                .add(this.toWorld(new Vec3(0.0D, this.getBbHeight() * 0.55D, 0.0D)))
                 .add(forward.scale(0.4D));
         Vec3 strikeCenter = strikeOrigin
                 .add(forward.scale(ATTACK_HIT_FORWARD_OFFSET));
+        Vec3 strikeMin = strikeOrigin.add(this.toWorld(new Vec3(0.0D, ATTACK_HIT_MIN_Y_OFFSET, 0.0D)));
+        Vec3 strikeMax = strikeOrigin.add(this.toWorld(new Vec3(0.0D, ATTACK_HIT_MAX_Y_OFFSET, 0.0D)));
         AABB hitBox = new AABB(
                 Math.min(strikeOrigin.x, strikeCenter.x) - ATTACK_HIT_HALF_WIDTH,
-                this.getBoundingBox().minY + ATTACK_HIT_MIN_Y_OFFSET,
+                Math.min(strikeMin.y, strikeMax.y),
                 Math.min(strikeOrigin.z, strikeCenter.z) - ATTACK_HIT_HALF_WIDTH,
                 Math.max(strikeOrigin.x, strikeCenter.x) + ATTACK_HIT_HALF_WIDTH,
-                this.getBoundingBox().minY + ATTACK_HIT_MAX_Y_OFFSET,
+                Math.max(strikeMin.y, strikeMax.y),
                 Math.max(strikeOrigin.z, strikeCenter.z) + ATTACK_HIT_HALF_WIDTH
         );
         List<LivingEntity> victims = new ArrayList<>(this.level().getEntitiesOfClass(LivingEntity.class, hitBox, this::canTargetEntity));
@@ -1041,17 +1047,20 @@ public class NightmareEntity extends Monster implements GeoEntity {
         if (victim.getBoundingBox().inflate(0.1D).intersects(hitBox)) {
             return true;
         }
-        Vec3 toVictim = victimCenter.subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
-        double forwardDistance = toVictim.dot(forward);
+        Vec3 localForward = this.toLocalPlane(forward);
+        Vec3 toVictim = this.toLocalPlane(victimCenter.subtract(this.position()));
+        double forwardDistance = toVictim.dot(localForward.normalize());
         if (forwardDistance < 0.15D || forwardDistance > ATTACK_HIT_FORWARD_OFFSET + 1.25D) {
             return false;
         }
-        Vec3 lateral = toVictim.subtract(forward.scale(forwardDistance));
+        Vec3 lateral = toVictim.subtract(localForward.normalize().scale(forwardDistance));
         if (lateral.lengthSqr() > (ATTACK_HIT_HALF_WIDTH + 0.55D) * (ATTACK_HIT_HALF_WIDTH + 0.55D)) {
             return false;
         }
-        double minY = this.getBoundingBox().minY + ATTACK_HIT_MIN_Y_OFFSET;
-        double maxY = this.getBoundingBox().minY + ATTACK_HIT_MAX_Y_OFFSET + 0.4D;
+        Vec3 minOffset = this.toWorld(new Vec3(0.0D, ATTACK_HIT_MIN_Y_OFFSET, 0.0D));
+        Vec3 maxOffset = this.toWorld(new Vec3(0.0D, ATTACK_HIT_MAX_Y_OFFSET + 0.4D, 0.0D));
+        double minY = Math.min(this.position().y + minOffset.y, this.position().y + maxOffset.y);
+        double maxY = Math.max(this.position().y + minOffset.y, this.position().y + maxOffset.y);
         return victim.getBoundingBox().maxY >= minY && victim.getBoundingBox().minY <= maxY;
     }
 
@@ -1088,14 +1097,67 @@ public class NightmareEntity extends Monster implements GeoEntity {
     }
 
     private void knockAway(LivingEntity target, double horizontalStrength, double verticalStrength) {
-        Vec3 direction = target.position().subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
-        if (direction.lengthSqr() < 1.0E-4D) direction = this.getViewVector(1.0F).multiply(1.0D, 0.0D, 1.0D);
-        if (direction.lengthSqr() < 1.0E-4D) direction = new Vec3(1.0D, 0.0D, 0.0D);
-        Vec3 push = direction.normalize().scale(horizontalStrength);
-        target.push(push.x, verticalStrength, push.z);
+        AntarchyGravityDirection direction = this.gravityDirection();
+        Vec3 localDirection = this.toLocalPlane(target.position().subtract(this.position()));
+        if (localDirection.lengthSqr() < 1.0E-4D) localDirection = this.toLocalPlane(this.getViewVector(1.0F));
+        if (localDirection.lengthSqr() < 1.0E-4D) localDirection = new Vec3(1.0D, 0.0D, 0.0D);
+        Vec3 localPush = localDirection.normalize().scale(horizontalStrength);
+        Vec3 worldPush = AntarchyGravityRotationUtil.vecPlayerToWorld(localPush.x, verticalStrength, localPush.z, direction);
+        target.push(worldPush.x, worldPush.y, worldPush.z);
         target.hurtMarked = true;
     }
 
+    private AntarchyGravityDirection gravityDirection() {
+        return AntarchyGravityApi.getGravityDirection(this);
+    }
+
+    private Vec3 toLocal(Vec3 worldVector) {
+        return AntarchyGravityRotationUtil.vecWorldToPlayer(worldVector, this.gravityDirection());
+    }
+
+    private Vec3 toWorld(Vec3 localVector) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(localVector, this.gravityDirection());
+    }
+
+    private Vec3 toLocalPlane(Vec3 worldVector) {
+        Vec3 local = this.toLocal(worldVector);
+        return new Vec3(local.x, 0.0D, local.z);
+    }
+
+    private Vec3 localDeltaTo(Vec3 worldPosition) {
+        return this.toLocal(worldPosition.subtract(this.position()));
+    }
+
+    private double verticalDistanceTo(LivingEntity target) {
+        return Math.abs(this.toLocal(target.getEyePosition().subtract(this.getEyePosition())).y);
+    }
+
+    private double overheadGapTo(LivingEntity target) {
+        return -this.localDeltaTo(target.position()).y;
+    }
+
+    private Vec3 getPlaneForward(Vec3 worldVector) {
+        Vec3 local = this.toLocalPlane(worldVector);
+        if (local.lengthSqr() < 1.0E-4D) {
+            return Vec3.ZERO;
+        }
+        return this.toWorld(local.normalize());
+    }
+
+    private Vec3 getLocalRight(Vec3 worldForward) {
+        Vec3 localForward = this.toLocalPlane(worldForward);
+        if (localForward.lengthSqr() < 1.0E-4D) {
+            return Vec3.ZERO;
+        }
+        Vec3 normalized = localForward.normalize();
+        return this.toWorld(new Vec3(-normalized.z, 0.0D, normalized.x));
+    }
+
+    private Vec3 getFlyingAttackTargetPos(LivingEntity target) {
+        double targetHeight = Mth.clamp(target.getBbHeight() * 0.4D, FLYING_ATTACK_MIN_TARGET_HEIGHT, FLYING_ATTACK_BODY_TARGET_HEIGHT);
+        return target.position().add(this.toWorld(new Vec3(0.0D, targetHeight, 0.0D)));
+    }
+
     private DamageSource nightmareDamageSource() {
         return this.level() instanceof ServerLevel serverLevel
                 ? AntarchyDamageSources.nightmareMauling(serverLevel, this)
@@ -1103,13 +1165,9 @@ public class NightmareEntity extends Monster implements GeoEntity {
     }
 
     private boolean tryBreakBlocksToTarget(LivingEntity target) {
-        int startY = Mth.floor(this.getY());
-        int endY = Math.max(Mth.floor(target.getY()), startY - 16);
-        int x = Mth.floor(this.getX());
-        int z = Mth.floor(this.getZ());
-        BlockPos.MutableBlockPos cursor = new BlockPos.MutableBlockPos();
-        for (int y = startY; y >= endY; y--) {
-            cursor.set(x, y, z);
+        Direction gravityDown = AntarchyGravityRotationUtil.getGravityDownDirection(this);
+        BlockPos.MutableBlockPos cursor = this.blockPosition().mutable();
+        for (int i = 0; i <= 16; i++) {
             if (this.level().getBlockState(cursor).is(AntarchyTags.Blocks.NIGHTMARE_BREAKABLE)) {
                 if (this.blockBreakCooldown <= 0) {
                     this.level().destroyBlock(cursor.immutable(), true, this);
@@ -1118,6 +1176,7 @@ public class NightmareEntity extends Monster implements GeoEntity {
                 this.getMoveControl().setWantedPosition(this.getX(), this.getY(), this.getZ(), 0.0D);
                 return true;
             }
+            cursor.move(gravityDown);
         }
         return false;
     }
@@ -1134,9 +1193,9 @@ public class NightmareEntity extends Monster implements GeoEntity {
     private boolean canStartAttackOn(LivingEntity target) {
         if (!this.hasLineOfSight(target) || this.distanceToSqr(target) > ATTACK_START_RANGE_SQR) return false;
         double hdSqr = this.horizontalDistanceToSqr(target);
-        double verticalDistance = Math.abs(target.getEyeY() - this.getEyeY());
+        double verticalDistance = this.verticalDistanceTo(target);
         if (this.shouldUseFlyingLocomotion()) {
-            double overheadGap = this.getY() - target.getY();
+            double overheadGap = this.overheadGapTo(target);
             return hdSqr <= ATTACK_COMMIT_HORIZONTAL_RANGE_SQR
                     && verticalDistance <= 2.5D
                     && overheadGap <= FLYING_ATTACK_MAX_OVERHEAD_COMMIT_HEIGHT;
@@ -1153,9 +1212,9 @@ public class NightmareEntity extends Monster implements GeoEntity {
             return true;
         }
         double distanceSqr = this.distanceToSqr(target);
-        double verticalDistance = Math.abs(target.getEyeY() - this.getEyeY());
+        double verticalDistance = this.verticalDistanceTo(target);
         double horizontalDistanceSqr = this.horizontalDistanceToSqr(target);
-        double overheadGap = this.getY() - target.getY();
+        double overheadGap = this.overheadGapTo(target);
         if (lowProfileTarget
                 && horizontalDistanceSqr <= LOW_PROFILE_FLIGHT_DISENGAGE_RANGE_SQR
                 && verticalDistance <= LOW_PROFILE_FLIGHT_DISENGAGE_VERTICAL
@@ -1179,24 +1238,23 @@ public class NightmareEntity extends Monster implements GeoEntity {
     }
 
     private Vec3 getFlightApproachPosition(LivingEntity target) {
-        Vec3 toTarget = target.position().subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
-        if (toTarget.lengthSqr() < 1.0E-4D) {
-            toTarget = target.getLookAngle().multiply(1.0D, 0.0D, 1.0D);
+        Vec3 forward = this.getPlaneForward(target.position().subtract(this.position()));
+        if (forward.lengthSqr() < 1.0E-4D) {
+            forward = this.getPlaneForward(target.getLookAngle());
         }
-        if (toTarget.lengthSqr() < 1.0E-4D) {
-            toTarget = this.getViewVector(1.0F).multiply(1.0D, 0.0D, 1.0D);
+        if (forward.lengthSqr() < 1.0E-4D) {
+            forward = this.getPlaneForward(this.getViewVector(1.0F));
         }
-        if (toTarget.lengthSqr() < 1.0E-4D) {
-            toTarget = new Vec3(0.0D, 0.0D, 1.0D);
+        if (forward.lengthSqr() < 1.0E-4D) {
+            forward = this.toWorld(new Vec3(0.0D, 0.0D, 1.0D));
         }
-        Vec3 forward = toTarget.normalize();
-        Vec3 right = new Vec3(-forward.z, 0.0D, forward.x);
+        Vec3 right = this.getLocalRight(forward);
         double strafe = this.tickCount % 32 < 16 ? FLYING_APPROACH_STRAFE_OFFSET : -FLYING_APPROACH_STRAFE_OFFSET;
         double height = this.isPhaseTwo() ? FLYING_APPROACH_HEIGHT_PHASE_TWO : FLYING_APPROACH_HEIGHT;
         double horizontalDistanceSqr = this.horizontalDistanceToSqr(target);
-        double overheadGap = this.getY() - target.getY();
+        double overheadGap = this.overheadGapTo(target);
         boolean lowProfileTarget = this.isLowProfileFlightTarget(target);
-        double attackTargetY = this.getFlyingAttackTargetY(target);
+        Vec3 attackTarget = this.getFlyingAttackTargetPos(target);
         Vec3 anchor = target.position().subtract(forward.scale(1.8D)).add(right.scale(strafe));
         if (horizontalDistanceSqr <= FLYING_OVERHEAD_STALL_RANGE_SQR && overheadGap >= FLYING_OVERHEAD_STALL_HEIGHT) {
             double sideOffset = lowProfileTarget ? LOW_PROFILE_OVERHEAD_DESCENT_SIDE_OFFSET : FLYING_OVERHEAD_DESCENT_SIDE_OFFSET;
@@ -1204,26 +1262,26 @@ public class NightmareEntity extends Monster implements GeoEntity {
             anchor = target.position()
                     .add(right.scale(strafe > 0.0D ? sideOffset : -sideOffset))
                     .subtract(forward.scale(backOffset));
-            return new Vec3(anchor.x, attackTargetY, anchor.z);
+            return new Vec3(anchor.x, attackTarget.y, anchor.z);
         }
         if (horizontalDistanceSqr <= FLYING_APPROACH_TOO_CLOSE_RANGE_SQR) {
             double backOffset = lowProfileTarget ? LOW_PROFILE_TOO_CLOSE_BACK_OFFSET : 2.8D;
             double strafeScale = lowProfileTarget ? LOW_PROFILE_TOO_CLOSE_STRAFE_SCALE : 0.6D;
             anchor = target.position().subtract(forward.scale(backOffset)).add(right.scale(strafe * strafeScale));
         }
-        return new Vec3(anchor.x, attackTargetY + height, anchor.z);
+        Vec3 elevated = attackTarget.add(this.toWorld(new Vec3(0.0D, height, 0.0D)));
+        return new Vec3(anchor.x, elevated.y, anchor.z);
     }
 
     private Vec3 getFlightDescentPosition(LivingEntity target) {
-        Vec3 toTarget = target.position().subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
-        if (toTarget.lengthSqr() < 1.0E-4D) {
-            toTarget = this.getViewVector(1.0F).multiply(1.0D, 0.0D, 1.0D);
+        Vec3 forward = this.getPlaneForward(target.position().subtract(this.position()));
+        if (forward.lengthSqr() < 1.0E-4D) {
+            forward = this.getPlaneForward(this.getViewVector(1.0F));
         }
-        if (toTarget.lengthSqr() < 1.0E-4D) {
-            toTarget = new Vec3(0.0D, 0.0D, 1.0D);
+        if (forward.lengthSqr() < 1.0E-4D) {
+            forward = this.toWorld(new Vec3(0.0D, 0.0D, 1.0D));
         }
-        Vec3 forward = toTarget.normalize();
-        Vec3 right = new Vec3(-forward.z, 0.0D, forward.x);
+        Vec3 right = this.getLocalRight(forward);
         double side = this.tickCount % 20 < 10 ? 1.0D : -1.0D;
         boolean lowProfileTarget = this.isLowProfileFlightTarget(target);
         double sideOffset = lowProfileTarget ? 1.15D : 0.9D;
@@ -1231,33 +1289,29 @@ public class NightmareEntity extends Monster implements GeoEntity {
         Vec3 anchor = target.position()
                 .subtract(forward.scale(backOffset))
                 .add(right.scale(side * sideOffset));
-        return new Vec3(anchor.x, this.getFlyingAttackTargetY(target), anchor.z);
+        return new Vec3(anchor.x, this.getFlyingAttackTargetPos(target).y, anchor.z);
     }
 
     private boolean isLowProfileFlightTarget(LivingEntity target) {
         return target.getBbHeight() <= LOW_PROFILE_TARGET_MAX_HEIGHT;
     }
 
-    private double getFlyingAttackTargetY(LivingEntity target) {
-        double targetHeight = Mth.clamp(target.getBbHeight() * 0.4D, FLYING_ATTACK_MIN_TARGET_HEIGHT, FLYING_ATTACK_BODY_TARGET_HEIGHT);
-        return target.getY() + targetHeight;
-    }
-
     private double horizontalDistanceToSqr(LivingEntity target) {
-        double dx = target.getX() - this.getX();
-        double dz = target.getZ() - this.getZ();
+        Vec3 delta = this.localDeltaTo(target.position());
+        double dx = delta.x;
+        double dz = delta.z;
         return dx * dx + dz * dz;
     }
 
     private boolean isInFront(Vec3 position, double minimumDot) {
-        Vec3 forward = this.getViewVector(1.0F).multiply(1.0D, 0.0D, 1.0D);
-        Vec3 toTarget = position.subtract(this.position()).multiply(1.0D, 0.0D, 1.0D);
+        Vec3 forward = this.toLocalPlane(this.getViewVector(1.0F));
+        Vec3 toTarget = this.toLocalPlane(position.subtract(this.position()));
         if (forward.lengthSqr() < 1.0E-4D || toTarget.lengthSqr() < 1.0E-4D) return true;
         return forward.normalize().dot(toTarget.normalize()) >= minimumDot;
     }
 
     private void faceTowardTarget(LivingEntity target, float maxTurnDegrees) {
-        Vec3 toTarget = target.getEyePosition().subtract(this.getEyePosition());
+        Vec3 toTarget = this.toLocal(target.getEyePosition().subtract(this.getEyePosition()));
         double horizontal = Math.sqrt(toTarget.x * toTarget.x + toTarget.z * toTarget.z);
         if (horizontal > 1.0E-4D) {
             float targetYaw = (float) (Mth.atan2(toTarget.z, toTarget.x) * (180.0D / Math.PI)) - 90.0F;
@@ -1273,35 +1327,41 @@ public class NightmareEntity extends Monster implements GeoEntity {
     }
 
     private boolean isTooCloseToCeiling() {
-        BlockPos current = BlockPos.containing(this.getX(), this.getY(), this.getZ());
+        Direction gravityUp = AntarchyGravityRotationUtil.getGravityDownDirection(this).getOpposite();
+        BlockPos current = this.blockPosition();
         for (int i = 1; i <= FLIGHT_CEILING_CLEARANCE_BLOCKS; i++) {
-            if (!this.level().isEmptyBlock(current.above(i))) return true;
+            if (!this.level().isEmptyBlock(current.relative(gravityUp, i))) return true;
         }
         return false;
     }
 
     private Vec3 getPortalEntryPosition() {
-        return this.position().add(this.getViewVector(1.0F).multiply(1.6D, 0.0D, 1.6D));
+        Vec3 forward = this.getPlaneForward(this.getViewVector(1.0F));
+        if (forward.lengthSqr() < 1.0E-4D) {
+            forward = this.toWorld(new Vec3(0.0D, 0.0D, 1.0D));
+        }
+        return this.position().add(forward.scale(1.6D));
     }
 
     @Nullable
     private Vec3 findPortalExitPos(LivingEntity target, Vec3 entryPos) {
-        Vec3 forward = target.getLookAngle().multiply(1.0D, 0.0D, 1.0D);
+        Vec3 forward = this.getPlaneForward(target.getLookAngle());
         if (forward.lengthSqr() < 1.0E-4D) {
-            forward = this.getViewVector(1.0F).multiply(1.0D, 0.0D, 1.0D);
+            forward = this.getPlaneForward(this.getViewVector(1.0F));
         }
         if (forward.lengthSqr() < 1.0E-4D) {
-            forward = new Vec3(0.0D, 0.0D, 1.0D);
+            forward = this.toWorld(new Vec3(0.0D, 0.0D, 1.0D));
         }
         forward = forward.normalize();
-        Vec3 right = new Vec3(-forward.z, 0.0D, forward.x);
+        Vec3 right = this.getLocalRight(forward);
+        Vec3 airOffset = this.toWorld(new Vec3(0.0D, PORTAL_EXIT_AIR_HEIGHT, 0.0D));
         Vec3[] candidates = new Vec3[] {
                 target.position().subtract(forward.scale(PORTAL_EXIT_OFFSET)),
-                target.position().subtract(forward.scale(PORTAL_EXIT_OFFSET)).add(0.0D, PORTAL_EXIT_AIR_HEIGHT, 0.0D),
+                target.position().subtract(forward.scale(PORTAL_EXIT_OFFSET)).add(airOffset),
                 target.position().subtract(forward.scale(PORTAL_EXIT_OFFSET)).add(right.scale(PORTAL_EXIT_SIDE_OFFSET)),
                 target.position().subtract(forward.scale(PORTAL_EXIT_OFFSET)).subtract(right.scale(PORTAL_EXIT_SIDE_OFFSET)),
-                target.position().subtract(forward.scale(PORTAL_EXIT_OFFSET)).add(right.scale(PORTAL_EXIT_SIDE_OFFSET)).add(0.0D, PORTAL_EXIT_AIR_HEIGHT, 0.0D),
-                target.position().subtract(forward.scale(PORTAL_EXIT_OFFSET)).subtract(right.scale(PORTAL_EXIT_SIDE_OFFSET)).add(0.0D, PORTAL_EXIT_AIR_HEIGHT, 0.0D)
+                target.position().subtract(forward.scale(PORTAL_EXIT_OFFSET)).add(right.scale(PORTAL_EXIT_SIDE_OFFSET)).add(airOffset),
+                target.position().subtract(forward.scale(PORTAL_EXIT_OFFSET)).subtract(right.scale(PORTAL_EXIT_SIDE_OFFSET)).add(airOffset)
         };
         for (Vec3 candidate : candidates) {
             Vec3 adjusted = this.findValidPortalPosition(candidate);
@@ -1318,7 +1378,7 @@ public class NightmareEntity extends Monster implements GeoEntity {
     private Vec3 findValidPortalPosition(Vec3 base) {
         EntityDimensions dimensions = this.getType().getDimensions();
         for (int yOffset = 4; yOffset >= -3; yOffset--) {
-            Vec3 candidate = new Vec3(base.x, base.y + yOffset, base.z);
+            Vec3 candidate = base.add(this.toWorld(new Vec3(0.0D, yOffset, 0.0D)));
             AABB box = dimensions.makeBoundingBox(candidate);
             if (this.level().noCollision(this, box)) {
                 return candidate;
@@ -1351,7 +1411,7 @@ public class NightmareEntity extends Monster implements GeoEntity {
     }
 
     private void updateFlightRotation() {
-        Vec3 velocity = this.getDeltaMovement();
+        Vec3 velocity = this.toLocal(this.getDeltaMovement());
         if (velocity.horizontalDistanceSqr() > 1.0E-4D) {
             float targetYaw = (float) (Mth.atan2(velocity.z, velocity.x) * (180.0D / Math.PI)) - 90.0F;
             float nextYaw = Mth.approachDegrees(this.getYRot(), targetYaw, 4.0F);
@@ -1392,7 +1452,7 @@ public class NightmareEntity extends Monster implements GeoEntity {
             this.tickWingFlapSound();
             return;
         }
-        Vec3 horizontalVelocity = this.getDeltaMovement().multiply(1.0D, 0.0D, 1.0D);
+        Vec3 horizontalVelocity = this.toLocalPlane(this.getDeltaMovement());
         if (horizontalVelocity.lengthSqr() > ANIMATION_MOVEMENT_THRESHOLD_SQR) {
             this.groundMoveTicks = 6;
         }
@@ -1617,11 +1677,11 @@ public class NightmareEntity extends Monster implements GeoEntity {
                 return;
             }
             if (NightmareEntity.this.onGround() && NightmareEntity.this.distanceToSqr(target) >= FLIGHT_DISENGAGE_RANGE_SQR) {
-                NightmareEntity.this.setDeltaMovement(NightmareEntity.this.getDeltaMovement().add(0.0D, 0.38D, 0.0D));
+                NightmareEntity.this.setDeltaMovement(NightmareEntity.this.getDeltaMovement().add(NightmareEntity.this.toWorld(new Vec3(0.0D, 0.38D, 0.0D))));
                 NightmareEntity.this.hasImpulse = true;
             }
             double horizontalDistanceSqr = NightmareEntity.this.horizontalDistanceToSqr(target);
-            double overheadGap = NightmareEntity.this.getY() - target.getY();
+            double overheadGap = NightmareEntity.this.overheadGapTo(target);
             if (horizontalDistanceSqr <= ATTACK_COMMIT_HORIZONTAL_RANGE_SQR
                     && overheadGap > FLYING_ATTACK_MAX_OVERHEAD_COMMIT_HEIGHT) {
                 Vec3 descentPos = NightmareEntity.this.getFlightDescentPosition(target);
@@ -1681,7 +1741,7 @@ public class NightmareEntity extends Monster implements GeoEntity {
             LivingEntity target = NightmareEntity.this.getTarget();
             if (target != null) {
                 double hdSqr = NightmareEntity.this.horizontalDistanceToSqr(target);
-                double vertDelta = NightmareEntity.this.getY() - target.getY();
+                double vertDelta = NightmareEntity.this.overheadGapTo(target);
                 if (target.onGround() && hdSqr <= 25.0D && vertDelta > 1.6D) {
                     NightmareEntity.this.tryBreakBlocksToTarget(target);
                 }
@@ -1716,9 +1776,11 @@ public class NightmareEntity extends Monster implements GeoEntity {
             if (NightmareEntity.this.random.nextInt(40) != 0) return false;
             double angle = NightmareEntity.this.random.nextDouble() * Math.PI * 2;
             double dist = 4 + NightmareEntity.this.random.nextDouble() * 10;
-            this.x = NightmareEntity.this.getX() + Math.cos(angle) * dist;
-            this.z = NightmareEntity.this.getZ() + Math.sin(angle) * dist;
-            this.y = NightmareEntity.this.getY();
+            Vec3 localOffset = new Vec3(Math.cos(angle) * dist, 0.0D, Math.sin(angle) * dist);
+            Vec3 worldOffset = NightmareEntity.this.toWorld(localOffset);
+            this.x = NightmareEntity.this.getX() + worldOffset.x;
+            this.y = NightmareEntity.this.getY() + worldOffset.y;
+            this.z = NightmareEntity.this.getZ() + worldOffset.z;
             return true;
         }
 

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/gravity/AntarchyGravityApi.java

@@ -1,6 +1,7 @@
 package com.craisinlord.antarchy.content.gravity;
 
 import net.minecraft.world.entity.Entity;
+import net.minecraft.world.phys.Vec3;
 
 public final class AntarchyGravityApi {
     public interface GravitySyncDispatcher {
@@ -99,6 +100,122 @@ public final class AntarchyGravityApi {
         syncDispatcher.onGravityStateChanged(entity);
     }
 
+    public static Vec3 getWorldVelocity(Entity entity) {
+        return AntarchyGravityRotationUtil.vecPlayerToWorld(entity.getDeltaMovement(), getGravityDirection(entity));
+    }
+
+    public static void setWorldVelocity(Entity entity, Vec3 worldVelocity) {
+        entity.setDeltaMovement(AntarchyGravityRotationUtil.vecWorldToPlayer(worldVelocity, getGravityDirection(entity)));
+    }
+
+    public static Vec3 getEyeOffset(Entity entity) {
+        return AntarchyGravityRotationUtil.getEyeOffset(entity, entity.getEyeHeight());
+    }
+
+    public static double eyeX(Entity entity) {
+        return isGravityInverted(entity) ? entity.getEyePosition().x : entity.getX();
+    }
+
+    public static double eyeY(Entity entity) {
+        return isGravityInverted(entity) ? entity.getEyePosition().y : entity.getY();
+    }
+
+    public static double eyeZ(Entity entity) {
+        return isGravityInverted(entity) ? entity.getEyePosition().z : entity.getZ();
+    }
+
+    public static Vec3 deltaMovement(net.minecraft.world.entity.LivingEntity target) {
+        return isGravityInverted(target) ? getWorldVelocity(target) : target.getDeltaMovement();
+    }
+
+    public static double projectileSpawnX(net.minecraft.world.entity.LivingEntity shooter) {
+        return projectileSpawnVec(shooter).x;
+    }
+
+    public static double projectileSpawnY(net.minecraft.world.entity.LivingEntity shooter) {
+        return projectileSpawnVec(shooter).y;
+    }
+
+    public static double projectileSpawnZ(net.minecraft.world.entity.LivingEntity shooter) {
+        return projectileSpawnVec(shooter).z;
+    }
+
+    public static double rangedBodyTargetX(net.minecraft.world.entity.LivingEntity target) {
+        if (!isGravityInverted(target)) {
+            return target.getX();
+        }
+        return target.position().add(AntarchyGravityRotationUtil.vecPlayerToWorld(
+                0.0D,
+                target.getBbHeight() * 0.3333333333333333D,
+                0.0D,
+                getGravityDirection(target)
+        )).x;
+    }
+
+    public static double rangedBodyTargetY(net.minecraft.world.entity.LivingEntity target, double heightScale) {
+        if (!isGravityInverted(target)) {
+            return target.getY(heightScale);
+        }
+        return target.position().add(AntarchyGravityRotationUtil.vecPlayerToWorld(
+                0.0D,
+                target.getBbHeight() * 0.3333333333333333D,
+                0.0D,
+                getGravityDirection(target)
+        )).y;
+    }
+
+    public static double rangedBodyTargetZ(net.minecraft.world.entity.LivingEntity target) {
+        if (!isGravityInverted(target)) {
+            return target.getZ();
+        }
+        return target.position().add(AntarchyGravityRotationUtil.vecPlayerToWorld(
+                0.0D,
+                target.getBbHeight() * 0.3333333333333333D,
+                0.0D,
+                getGravityDirection(target)
+        )).z;
+    }
+
+    public static double rangedEyeTargetX(net.minecraft.world.entity.LivingEntity target) {
+        if (!isGravityInverted(target)) {
+            return target.getX();
+        }
+        return target.position().add(AntarchyGravityRotationUtil.vecPlayerToWorld(
+                0.0D,
+                target.getEyeHeight() - 1.100000023841858D,
+                0.0D,
+                getGravityDirection(target)
+        )).x;
+    }
+
+    public static double rangedEyeTargetY(net.minecraft.world.entity.LivingEntity target) {
+        if (!isGravityInverted(target)) {
+            return target.getEyeY();
+        }
+        return target.position().add(AntarchyGravityRotationUtil.vecPlayerToWorld(
+                0.0D,
+                target.getEyeHeight() - 1.100000023841858D,
+                0.0D,
+                getGravityDirection(target)
+        )).y + 1.100000023841858D;
+    }
+
+    public static double rangedEyeTargetZ(net.minecraft.world.entity.LivingEntity target) {
+        if (!isGravityInverted(target)) {
+            return target.getZ();
+        }
+        return target.position().add(AntarchyGravityRotationUtil.vecPlayerToWorld(
+                0.0D,
+                target.getEyeHeight() - 1.100000023841858D,
+                0.0D,
+                getGravityDirection(target)
+        )).z;
+    }
+
+    public static double rangedSqrt(double value, net.minecraft.world.entity.LivingEntity target) {
+        return isGravityInverted(target) ? Math.sqrt(Math.sqrt(value)) : Math.sqrt(value);
+    }
+
     private static AntarchyGravityAccess access(Entity entity) {
         if (entity instanceof AntarchyGravityAccess access) {
             return access;
@@ -106,4 +223,12 @@ public final class AntarchyGravityApi {
 
         throw new IllegalStateException("Entity " + entity + " is missing Antarchy gravity state");
     }
+
+    private static Vec3 projectileSpawnVec(net.minecraft.world.entity.LivingEntity shooter) {
+        AntarchyGravityDirection direction = getGravityDirection(shooter);
+        if (!direction.isInverted()) {
+            return new Vec3(shooter.getX(), shooter.getEyeY() - 0.1D, shooter.getZ());
+        }
+        return shooter.getEyePosition().subtract(AntarchyGravityRotationUtil.vecPlayerToWorld(0.0D, 0.1D, 0.0D, direction));
+    }
 }

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/gravity/GravityWalkNodeEvaluator.java

@@ -12,6 +12,7 @@ import net.minecraft.world.level.pathfinder.WalkNodeEvaluator;
 
 public class GravityWalkNodeEvaluator extends WalkNodeEvaluator {
     private static final Logger LOGGER = LoggerFactory.getLogger("Antarchy/Pathfinding");
+    private static final int[] START_Y_SEARCH = {0, 1, -1, 2, -2, 3, -3, 4, -4};
     private static final int[][] INVERTED_NEIGHBOR_OFFSETS = {
             {1, 0, 0},
             {-1, 0, 0},
@@ -68,10 +69,10 @@ public class GravityWalkNodeEvaluator extends WalkNodeEvaluator {
         int x = Mth.floor(this.mob.getX());
         int z = Mth.floor(this.mob.getZ());
         int y = Mth.floor(this.mob.getY() + this.mob.getBbHeight()) - 1;
-
-        Node node = this.getNode(x, y, z);
-        node.type = PathType.WALKABLE;
-        node.costMalus = this.mob.getPathfindingMalus(PathType.WALKABLE);
+        Node node = this.antarchy$findStartNode(x, y, z);
+        if (node == null) {
+            return super.getStart();
+        }
 
         if (this.antarchy$loggedGetStart < 8) {
             LOGGER.debug(
@@ -89,6 +90,43 @@ public class GravityWalkNodeEvaluator extends WalkNodeEvaluator {
         return node;
     }
 
+    private Node antarchy$findStartNode(int x, int y, int z) {
+        for (int dy : START_Y_SEARCH) {
+            int candidateY = y + dy;
+            for (int dx = -1; dx <= 1; dx++) {
+                for (int dz = -1; dz <= 1; dz++) {
+                    Node node = this.antarchy$createStartNode(x + dx, candidateY, z + dz);
+                    if (node != null) {
+                        return node;
+                    }
+                }
+            }
+        }
+        return null;
+    }
+
+    private Node antarchy$createStartNode(int x, int y, int z) {
+        if (!this.antarchy$hasCeilingSupport(x, y, z)) {
+            return null;
+        }
+
+        PathType type = this.getPathTypeOfMob(this.currentContext, x, y, z, this.mob);
+        float malus = this.mob.getPathfindingMalus(type);
+        if (malus < 0.0F || type == PathType.OPEN) {
+            return null;
+        }
+
+        Node node = this.getNode(x, y, z);
+        node.type = type;
+        node.costMalus = malus;
+        return node;
+    }
+
+    private boolean antarchy$hasCeilingSupport(int x, int y, int z) {
+        PathType ceilingType = this.getPathType(this.currentContext, x, y + 1, z);
+        return this.mob.getPathfindingMalus(ceilingType) < 0.0F;
+    }
+
     @Override
     public PathType getPathTypeOfMob(PathfindingContext context, int x, int y, int z, Mob mob) {
         if (!AntarchyGravityApi.isGravityInverted(mob)) {

common-1.21.1/src/main/java/com/craisinlord/antarchy/content/portal/PermanentPortalTeleporter.java

@@ -125,8 +125,10 @@ public final class PermanentPortalTeleporter {
                     }
 
                     BlockPos horizontalPos = preferredPos.offset(xOff, 0, zOff);
-                    addCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, horizontalPos));
-                    addCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.WORLD_SURFACE, horizontalPos));
+                    if (destination.hasChunkAt(horizontalPos)) {
+                        addCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, horizontalPos));
+                        addCandidate(candidates, destination.getHeightmapPos(Heightmap.Types.WORLD_SURFACE, horizontalPos));
+                    }
                     for (int yOff = 0; yOff <= VERTICAL_SEARCH; yOff++) {
                         addCandidate(candidates, horizontalPos.above(yOff));
                         if (yOff > 0) {
@@ -184,13 +186,22 @@ public final class PermanentPortalTeleporter {
 
     @Nullable
     private static Vec3 tryFindSafePosition(Entity entity, ServerLevel destination, BlockPos candidate) {
+        if (!isSafeDismountAreaLoaded(destination, candidate)) {
+            return null;
+        }
+
         Vec3 safe = DismountHelper.findSafeDismountLocation(entity.getType(), destination, candidate, true);
         if (safe != null && isValidArrivalPosition(destination, safe)) {
             return safe;
         }
 
         for (Direction direction : Direction.Plane.HORIZONTAL) {
-            safe = DismountHelper.findSafeDismountLocation(entity.getType(), destination, candidate.relative(direction), true);
+            BlockPos offsetCandidate = candidate.relative(direction);
+            if (!isSafeDismountAreaLoaded(destination, offsetCandidate)) {
+                continue;
+            }
+
+            safe = DismountHelper.findSafeDismountLocation(entity.getType(), destination, offsetCandidate, true);
             if (safe != null && isValidArrivalPosition(destination, safe)) {
                 return safe;
             }
@@ -281,11 +292,30 @@ public final class PermanentPortalTeleporter {
         BlockPos standPos = BlockPos.containing(safePos);
         if (destination.dimension() == AntarchySettings.termiteDestinationDimension()
                 || destination.dimension() == AntarchySettings.redAntDestinationDimension()) {
+            if (!destination.hasChunkAt(standPos) || !destination.hasChunkAt(standPos.below())) {
+                return false;
+            }
+
             return !destination.getBlockState(standPos.below()).is(net.minecraft.world.level.block.Blocks.BEDROCK);
         }
         return true;
     }
 
+    private static boolean isSafeDismountAreaLoaded(ServerLevel destination, BlockPos center) {
+        if (!destination.hasChunkAt(center) || !destination.hasChunkAt(center.above()) || !destination.hasChunkAt(center.below())) {
+            return false;
+        }
+
+        for (Direction direction : Direction.Plane.HORIZONTAL) {
+            BlockPos offset = center.relative(direction);
+            if (!destination.hasChunkAt(offset) || !destination.hasChunkAt(offset.above()) || !destination.hasChunkAt(offset.below())) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
     @Nullable
     private static Entity moveEntity(Entity entity, DimensionTransition transition) {
         ServerLevel destination = transition.newLevel();

common-1.21.1/src/main/java/com/craisinlord/antarchy/mixins/AntarchyMixinPlugin.java

@@ -11,6 +11,8 @@ import org.spongepowered.asm.mixin.extensibility.IMixinInfo;
  * Mixin plugin for compat-gated mixins and optional deps.
  */
 public final class AntarchyMixinPlugin implements IMixinConfigPlugin {
+    private static final AntarchyRangedAttackPatcher RANGED_ATTACK_PATCHER = new AntarchyRangedAttackPatcher();
+
     @Override
     public void onLoad(String mixinPackage) {
         Mixins.registerErrorHandlerClass(AntarchyMixinErrorHandler.class.getName());
@@ -51,5 +53,6 @@ public final class AntarchyMixinPlugin implements IMixinConfigPlugin {
 
     @Override
     public void postApply(String targetClassName, ClassNode targetClass, String mixinClassName, IMixinInfo mixinInfo) {
+        RANGED_ATTACK_PATCHER.patch(targetClass);
     }
 }

common-1.21.1/src/main/java/com/craisinlord/antarchy/mixins/AntarchyRangedAttackPatcher.java

@@ -0,0 +1,227 @@
+package com.craisinlord.antarchy.mixins;
+
+import org.objectweb.asm.Opcodes;
+import org.objectweb.asm.tree.AbstractInsnNode;
+import org.objectweb.asm.tree.ClassNode;
+import org.objectweb.asm.tree.InsnList;
+import org.objectweb.asm.tree.MethodInsnNode;
+import org.objectweb.asm.tree.MethodNode;
+import org.objectweb.asm.tree.VarInsnNode;
+
+final class AntarchyRangedAttackPatcher {
+    private static final String RANGED_ATTACK_DESC = "(Lnet/minecraft/world/entity/LivingEntity;F)V";
+    private static final String LIVING_DESC = "(Lnet/minecraft/world/entity/LivingEntity;)D";
+    private static final String LIVING_D_DESC = "(Lnet/minecraft/world/entity/LivingEntity;D)D";
+    private static final String D_LIVING_DESC = "(DLnet/minecraft/world/entity/LivingEntity;)D";
+    private static final String DELTA_MOVEMENT_DESC = "(Lnet/minecraft/world/entity/LivingEntity;)Lnet/minecraft/world/phys/Vec3;";
+    private static final String API_OWNER = "com/craisinlord/antarchy/content/gravity/AntarchyGravityApi";
+
+    private enum AimMode {
+        BODY,
+        EYE
+    }
+
+    int patch(ClassNode classNode) {
+        int total = 0;
+        for (MethodNode method : classNode.methods) {
+            if (!RANGED_ATTACK_DESC.equals(method.desc)) {
+                continue;
+            }
+            if (!isPerformRangedAttack(method.name)) {
+                continue;
+            }
+            if (!hasRangedAimSqrt(method)) {
+                continue;
+            }
+            total += applyPatch(method);
+        }
+        return total;
+    }
+
+    private boolean isPerformRangedAttack(String methodName) {
+        return "performRangedAttack".equals(methodName)
+                || "m_6504_".equals(methodName)
+                || "m_31448_".equals(methodName)
+                || "m_31457_".equals(methodName);
+    }
+
+    private boolean hasRangedAimSqrt(MethodNode method) {
+        for (AbstractInsnNode insn = method.instructions.getFirst(); insn != null; insn = insn.getNext()) {
+            if (insn instanceof MethodInsnNode call
+                    && call.getOpcode() == Opcodes.INVOKESTATIC
+                    && "java/lang/Math".equals(call.owner)
+                    && "sqrt".equals(call.name)
+                    && "(D)D".equals(call.desc)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private AimMode detectAimMode(MethodNode method) {
+        for (AbstractInsnNode insn = method.instructions.getFirst(); insn != null; insn = insn.getNext()) {
+            if (!(insn instanceof MethodInsnNode call)) {
+                continue;
+            }
+            int opcode = call.getOpcode();
+            if (opcode != Opcodes.INVOKEVIRTUAL && opcode != Opcodes.INVOKEINTERFACE) {
+                continue;
+            }
+            if (isGetYScaled(call)) {
+                return AimMode.BODY;
+            }
+        }
+        return AimMode.EYE;
+    }
+
+    private int applyPatch(MethodNode method) {
+        AimMode mode = detectAimMode(method);
+        int total = 0;
+        int ordX = 0;
+        int ordZ = 0;
+        int ordYScaled = 0;
+        int ordEyeY = 0;
+        InsnList list = method.instructions;
+        for (AbstractInsnNode cur = list.getFirst(); cur != null; cur = cur.getNext()) {
+            if (!(cur instanceof MethodInsnNode call)) {
+                continue;
+            }
+            int opcode = call.getOpcode();
+            if (opcode != Opcodes.INVOKEVIRTUAL && opcode != Opcodes.INVOKEINTERFACE) {
+                continue;
+            }
+            if (isGetX(call)) {
+                if (ordX++ != 0) {
+                    continue;
+                }
+                list.set(cur, new MethodInsnNode(
+                        Opcodes.INVOKESTATIC,
+                        API_OWNER,
+                        mode == AimMode.BODY ? "rangedBodyTargetX" : "rangedEyeTargetX",
+                        LIVING_DESC,
+                        false
+                ));
+                total++;
+                continue;
+            }
+            if (isGetZ(call)) {
+                if (ordZ++ != 0) {
+                    continue;
+                }
+                list.set(cur, new MethodInsnNode(
+                        Opcodes.INVOKESTATIC,
+                        API_OWNER,
+                        mode == AimMode.BODY ? "rangedBodyTargetZ" : "rangedEyeTargetZ",
+                        LIVING_DESC,
+                        false
+                ));
+                total++;
+                continue;
+            }
+            if (mode == AimMode.BODY && isGetYScaled(call)) {
+                if (ordYScaled++ != 0) {
+                    continue;
+                }
+                list.set(cur, new MethodInsnNode(
+                        Opcodes.INVOKESTATIC,
+                        API_OWNER,
+                        "rangedBodyTargetY",
+                        LIVING_D_DESC,
+                        false
+                ));
+                total++;
+                continue;
+            }
+            if (mode == AimMode.EYE && isGetEyeY(call)) {
+                if (ordEyeY++ != 0) {
+                    continue;
+                }
+                list.set(cur, new MethodInsnNode(
+                        Opcodes.INVOKESTATIC,
+                        API_OWNER,
+                        "rangedEyeTargetY",
+                        LIVING_DESC,
+                        false
+                ));
+                total++;
+            }
+        }
+        total += patchSqrtAndDelta(method);
+        return total;
+    }
+
+    private int patchSqrtAndDelta(MethodNode method) {
+        int total = 0;
+        InsnList list = method.instructions;
+        for (AbstractInsnNode cur = list.getFirst(); cur != null; cur = cur.getNext()) {
+            if (!(cur instanceof MethodInsnNode call)) {
+                continue;
+            }
+            if ((call.getOpcode() == Opcodes.INVOKEVIRTUAL || call.getOpcode() == Opcodes.INVOKEINTERFACE)
+                    && isGetDeltaMovement(call)
+                    && isAload1(previousSignificant(cur))) {
+                list.set(cur, new MethodInsnNode(
+                        Opcodes.INVOKESTATIC,
+                        API_OWNER,
+                        "deltaMovement",
+                        DELTA_MOVEMENT_DESC,
+                        false
+                ));
+                total++;
+                continue;
+            }
+            if (call.getOpcode() == Opcodes.INVOKESTATIC
+                    && "java/lang/Math".equals(call.owner)
+                    && "sqrt".equals(call.name)
+                    && "(D)D".equals(call.desc)) {
+                list.insertBefore(cur, new VarInsnNode(Opcodes.ALOAD, 1));
+                list.set(cur, new MethodInsnNode(
+                        Opcodes.INVOKESTATIC,
+                        API_OWNER,
+                        "rangedSqrt",
+                        D_LIVING_DESC,
+                        false
+                ));
+                total++;
+            }
+        }
+        return total;
+    }
+
+    private boolean isGetX(MethodInsnNode call) {
+        return "()D".equals(call.desc) && ("getX".equals(call.name) || "m_20185_".equals(call.name));
+    }
+
+    private boolean isGetZ(MethodInsnNode call) {
+        return "()D".equals(call.desc) && ("getZ".equals(call.name) || "m_20189_".equals(call.name));
+    }
+
+    private boolean isGetYScaled(MethodInsnNode call) {
+        return "(D)D".equals(call.desc) && ("getY".equals(call.name) || "m_20227_".equals(call.name));
+    }
+
+    private boolean isGetEyeY(MethodInsnNode call) {
+        return "()D".equals(call.desc) && ("getEyeY".equals(call.name) || "m_20188_".equals(call.name));
+    }
+
+    private boolean isGetDeltaMovement(MethodInsnNode call) {
+        return "()Lnet/minecraft/world/phys/Vec3;".equals(call.desc)
+                && ("getDeltaMovement".equals(call.name) || "m_20184_".equals(call.name));
+    }
+
+    private boolean isAload1(AbstractInsnNode insn) {
+        return insn instanceof VarInsnNode varInsn && varInsn.getOpcode() == Opcodes.ALOAD && varInsn.var == 1;
+    }
+
+    private AbstractInsnNode previousSignificant(AbstractInsnNode node) {
+        AbstractInsnNode previous = node.getPrevious();
+        while (previous != null) {
+            int type = previous.getType();
+            if (type != AbstractInsnNode.LABEL && type != AbstractInsnNode.LINE) {
+                return previous;
+            }
+            previous = previous.getPrevious();
+        }
+        return null;
+    }
+}

common-1.21.1/src/main/java/com/craisinlord/antarchy/mixins/gravity/AbstractArrowGravityMixin.java

@@ -5,7 +5,7 @@ import com.craisinlord.antarchy.content.gravity.AntarchyGravityDirection;
 import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
 import com.craisinlord.antarchy.config.AntarchySettings;
 import net.minecraft.world.entity.Entity;
-import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.entity.LivingEntity;
 import net.minecraft.world.entity.projectile.AbstractArrow;
 import net.minecraft.world.phys.Vec3;
 import org.spongepowered.asm.mixin.Mixin;
@@ -21,10 +21,12 @@ public abstract class AbstractArrowGravityMixin {
     @ModifyVariable(method = "tick", at = @At(value = "STORE"), ordinal = 0)
     private Vec3 antarchy$fixArrowGravityDroop(Vec3 velocity) {
         AbstractArrow self = (AbstractArrow) (Object) this;
-        if (!AntarchySettings.invertProjectilesFromInvertedPlayers()) return velocity;
         Entity owner = self.getOwner();
-        if (!(owner instanceof Player player)) return velocity;
-        AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(player);
+        if (!(owner instanceof LivingEntity living)) return velocity;
+        if (owner instanceof net.minecraft.world.entity.player.Player && !AntarchySettings.invertProjectilesFromInvertedPlayers()) {
+            return velocity;
+        }
+        AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(living);
         if (!direction.isInverted()) return velocity;
         velocity = new Vec3(velocity.x, velocity.y + 0.05D, velocity.z);
         velocity = AntarchyGravityRotationUtil.vecWorldToPlayer(velocity, direction);

common-1.21.1/src/main/java/com/craisinlord/antarchy/mixins/gravity/BehaviorUtilsGravityMixin.java

@@ -0,0 +1,68 @@
+package com.craisinlord.antarchy.mixins.gravity;
+
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityApi;
+import com.craisinlord.antarchy.content.gravity.AntarchyGravityRotationUtil;
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+import com.llamalad7.mixinextras.sugar.Local;
+import net.minecraft.world.entity.LivingEntity;
+import net.minecraft.world.entity.ai.behavior.BehaviorUtils;
+import net.minecraft.world.entity.item.ItemEntity;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.phys.Vec3;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+
+@Mixin(BehaviorUtils.class)
+public abstract class BehaviorUtilsGravityMixin {
+    @WrapOperation(
+            method = "throwItem(Lnet/minecraft/world/entity/LivingEntity;Lnet/minecraft/world/item/ItemStack;Lnet/minecraft/world/phys/Vec3;Lnet/minecraft/world/phys/Vec3;F)V",
+            at = @At(
+                    value = "NEW",
+                    target = "(Lnet/minecraft/world/level/Level;DDDLnet/minecraft/world/item/ItemStack;)Lnet/minecraft/world/entity/item/ItemEntity;"
+            )
+    )
+    private static ItemEntity antarchy$fixThrownItemSpawn(
+            Level level,
+            double x,
+            double y,
+            double z,
+            ItemStack stack,
+            Operation<ItemEntity> original,
+            @Local float yOffset,
+            @Local LivingEntity entity
+    ) {
+        if (!AntarchyGravityApi.isGravityInverted(entity)) {
+            return original.call(level, x, y, z, stack);
+        }
+
+        Vec3 eyeOffset = AntarchyGravityRotationUtil.getEyeOffset(entity, entity.getEyeHeight());
+        Vec3 offset = eyeOffset.normalize().scale(yOffset);
+        Vec3 itemPos = entity.position().add(eyeOffset).subtract(offset);
+        ItemEntity itemEntity = original.call(level, itemPos.x(), itemPos.y(), itemPos.z(), stack);
+        AntarchyGravityApi.setGravityDirection(itemEntity, AntarchyGravityApi.getGravityDirection(entity));
+        return itemEntity;
+    }
+
+    @WrapOperation(
+            method = "throwItem(Lnet/minecraft/world/entity/LivingEntity;Lnet/minecraft/world/item/ItemStack;Lnet/minecraft/world/phys/Vec3;Lnet/minecraft/world/phys/Vec3;F)V",
+            at = @At(
+                    value = "INVOKE",
+                    target = "Lnet/minecraft/world/entity/item/ItemEntity;setDeltaMovement(Lnet/minecraft/world/phys/Vec3;)V"
+            )
+    )
+    private static void antarchy$fixThrownItemVelocity(
+            ItemEntity itemEntity,
+            Vec3 deltaMovement,
+            Operation<Void> original,
+            @Local LivingEntity entity
+    ) {
+        if (!AntarchyGravityApi.isGravityInverted(entity)) {
+            original.call(itemEntity, deltaMovement);
+            return;
+        }
+
+        AntarchyGravityApi.setWorldVelocity(itemEntity, deltaMovement);
+    }
+}

common-1.21.1/src/main/java/com/craisinlord/antarchy/mixins/gravity/CrossbowItemGravityMixin.java

@@ -7,7 +7,6 @@ import com.craisinlord.antarchy.config.AntarchySettings;
 import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
 import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
 import net.minecraft.world.entity.LivingEntity;
-import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.CrossbowItem;
 import net.minecraft.world.phys.Vec3;
 import org.spongepowered.asm.mixin.Mixin;
@@ -25,7 +24,7 @@ public abstract class CrossbowItemGravityMixin {
             at = @At(value = "INVOKE",
                     target = "Lnet/minecraft/world/entity/LivingEntity;getX()D", ordinal = 0))
     private static double antarchy$fixCrossbowSpawnX(LivingEntity shooter, Operation<Double> original) {
-        if (!AntarchySettings.invertProjectilesFromInvertedPlayers() || !(shooter instanceof Player)) return original.call(shooter);
+        if (!antarchy$shouldFixProjectileSpawn(shooter)) return original.call(shooter);
         AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(shooter);
         if (!direction.isInverted()) return original.call(shooter);
         Vec3 offset = AntarchyGravityRotationUtil.vecPlayerToWorld(0.0D, BOLT_OFFSET, 0.0D, direction);
@@ -36,7 +35,7 @@ public abstract class CrossbowItemGravityMixin {
             at = @At(value = "INVOKE",
                     target = "Lnet/minecraft/world/entity/LivingEntity;getEyeY()D", ordinal = 0))
     private static double antarchy$fixCrossbowSpawnY(LivingEntity shooter, Operation<Double> original) {
-        if (!AntarchySettings.invertProjectilesFromInvertedPlayers() || !(shooter instanceof Player)) return original.call(shooter);
+        if (!antarchy$shouldFixProjectileSpawn(shooter)) return original.call(shooter);
         AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(shooter);
         if (!direction.isInverted()) return original.call(shooter);
         Vec3 offset = AntarchyGravityRotationUtil.vecPlayerToWorld(0.0D, BOLT_OFFSET, 0.0D, direction);
@@ -47,10 +46,15 @@ public abstract class CrossbowItemGravityMixin {
             at = @At(value = "INVOKE",
                     target = "Lnet/minecraft/world/entity/LivingEntity;getZ()D", ordinal = 0))
     private static double antarchy$fixCrossbowSpawnZ(LivingEntity shooter, Operation<Double> original) {
-        if (!AntarchySettings.invertProjectilesFromInvertedPlayers() || !(shooter instanceof Player)) return original.call(shooter);
+        if (!antarchy$shouldFixProjectileSpawn(shooter)) return original.call(shooter);
         AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(shooter);
         if (!direction.isInverted()) return original.call(shooter);
         Vec3 offset = AntarchyGravityRotationUtil.vecPlayerToWorld(0.0D, BOLT_OFFSET, 0.0D, direction);
         return shooter.getEyePosition().subtract(offset).z;
     }
+
+    private static boolean antarchy$shouldFixProjectileSpawn(LivingEntity shooter) {
+        return !(shooter instanceof net.minecraft.world.entity.player.Player)
+                || AntarchySettings.invertProjectilesFromInvertedPlayers();
+    }
 }

common-1.21.1/src/main/java/com/craisinlord/antarchy/mixins/gravity/EntityGravityFrameMixin.java

@@ -51,6 +51,18 @@ public abstract class EntityGravityFrameMixin {
         cir.setReturnValue(entity.position().add(AntarchyGravityRotationUtil.getEyeOffset(entity, entity.getEyeHeight())).y);
     }
 
+    @Inject(method = "getY(D)D", at = @At("HEAD"), cancellable = true)
+    private void antarchy$fixScaledY(double scale, CallbackInfoReturnable<Double> cir) {
+        Entity entity = (Entity) (Object) this;
+        AntarchyGravityDirection direction = AntarchyGravityApi.getGravityDirection(entity);
+        if (!direction.isInverted()) {
+            return;
+        }
+        cir.setReturnValue(entity.position().add(
+                AntarchyGravityRotationUtil.vecPlayerToWorld(0.0D, entity.getBbHeight() * scale, 0.0D, direction)
+        ).y);
+    }
+
     @Inject(method = "getEyePosition()Lnet/minecraft/world/phys/Vec3;", at = @At("HEAD"), cancellable = true)
     private void antarchy$fixEyePosition(CallbackInfoReturnable<Vec3> cir) {
         Entity entity = (Entity) (Object) this;

common-1.21.1/src/main/java/com/craisinlord/antarchy/mixins/gravity/GroundPathNavigationMixin.java

@@ -21,16 +21,14 @@ public abstract class GroundPathNavigationMixin {
     @Inject(method = "createPathFinder", at = @At("HEAD"), cancellable = true)
     private void antarchy$useGravityEvaluator(int maxVisitedNodes, CallbackInfoReturnable<PathFinder> cir) {
         var mob = ((PathNavigationAccessor) (Object) this).antarchy$getMob();
-        if (!AntarchyGravityApi.isGravityInverted(mob)) {
-            return;
+        if (AntarchyGravityApi.isGravityInverted(mob)) {
+            LOGGER.debug(
+                    "[Path] swap evaluator mob={} maxVisitedNodes={}",
+                    mob.getClass().getSimpleName(),
+                    maxVisitedNodes
+            );
         }
 
-        LOGGER.debug(
-                "[Path] swap evaluator mob={} maxVisitedNodes={}",
-                mob.getClass().getSimpleName(),
-                maxVisitedNodes
-        );
-
         cir.setReturnValue(new PathFinder(new GravityWalkNodeEvaluator(), maxVisitedNodes));
     }
 }

common-1.21.1/src/main/resources/antarchy-common.mixins.json

@@ -46,6 +46,7 @@
                    "TigerEyeCamouflageMixin",
                    "TigerEyeVisibilityMixin",
                    "gravity.AbstractArrowGravityMixin",
+                   "gravity.BehaviorUtilsGravityMixin",
                    "gravity.BucketItemGravityMixin",
                    "gravity.ChunkMapAccessor",
                    "gravity.CrossbowItemGravityMixin",

common-1.21.1/src/main/resources/data/antarchy/advancement/a_lovely_world.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "discover_stampys_house": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/anger_the_hive_mind.json

@@ -0,0 +1,36 @@
+{
+  "parent": "antarchy:visit_cavaryn",
+  "criteria": {
+    "kill_horde_common": {
+      "conditions": {
+        "entity": {
+          "type": {
+            "tag": "antarchy:horde_common"
+          }
+        }
+      },
+      "trigger": "minecraft:player_killed_entity"
+    }
+  },
+  "display": {
+    "announce_to_chat": true,
+    "description": {
+      "text": "Kill one of Cavaryn's horde-common creatures"
+    },
+    "frame": "task",
+    "icon": {
+      "count": 1,
+      "id": "antarchy:creeping_horror_spawn_egg"
+    },
+    "show_toast": true,
+    "title": {
+      "text": "Anger the Hive Mind"
+    }
+  },
+  "requirements": [
+    [
+      "kill_horde_common"
+    ]
+  ],
+  "sends_telemetry_event": true
+}

common-1.21.1/src/main/resources/data/antarchy/advancement/ant_arch_of_elythia.json

@@ -0,0 +1,58 @@
+{
+  "parent": "antarchy:visit_elythia",
+  "criteria": {
+    "kill_basilisk": {
+      "conditions": {
+        "entity": {
+          "type": "antarchy:basilisk"
+        }
+      },
+      "trigger": "minecraft:player_killed_entity"
+    },
+    "kill_toreterror": {
+      "conditions": {
+        "entity": {
+          "type": "antarchy:toreterror"
+        }
+      },
+      "trigger": "minecraft:player_killed_entity"
+    },
+    "obtain_brutalfly_elytra": {
+      "conditions": {
+        "items": [
+          {
+            "items": "antarchy:brutalfly_elytra"
+          }
+        ]
+      },
+      "trigger": "minecraft:inventory_changed"
+    }
+  },
+  "display": {
+    "announce_to_chat": true,
+    "description": {
+      "text": "Defeat Basilisk, Toreterror, and Brutalfly to claim mastery of Elythia"
+    },
+    "frame": "challenge",
+    "icon": {
+      "count": 1,
+      "id": "antarchy:brutalfly_elytra"
+    },
+    "show_toast": true,
+    "title": {
+      "text": "Ant-arch of Elythia"
+    }
+  },
+  "requirements": [
+    [
+      "kill_basilisk"
+    ],
+    [
+      "kill_toreterror"
+    ],
+    [
+      "obtain_brutalfly_elytra"
+    ]
+  ],
+  "sends_telemetry_event": true
+}

common-1.21.1/src/main/resources/data/antarchy/advancement/apple_of_my_eye.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "impossible": {
       "trigger": "minecraft:impossible"

common-1.21.1/src/main/resources/data/antarchy/advancement/beetle_buddies.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:anger_the_hive_mind",
   "criteria": {
     "tame_hercules_beetle": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/behavioral_correction.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:herculean_task",
   "criteria": {
     "obtain_attitude_adjuster": {
       "conditions": {
@@ -24,7 +24,7 @@
     },
     "show_toast": true,
     "title": {
-      "translate": "advancements.antarchy.behavioral_correction.title"
+      "text": "Ant-ger Management"
     }
   },
   "requirements": [

common-1.21.1/src/main/resources/data/antarchy/advancement/brutalfly.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "brutalfly": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/bug_apetit.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:anger_the_hive_mind",
   "criteria": {
     "eat_cooked_bug_meat": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/bugged_out.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "kill_alpha_mantis": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/challenge_games.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "discover_ruined_arena": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/cops_n_robbers.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "discover_ruined_prison": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/deerly_beloved.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "impossible": {
       "trigger": "minecraft:impossible"

common-1.21.1/src/main/resources/data/antarchy/advancement/dont_let_the_bed_bugs_bite.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_thoraxis",
   "criteria": {
     "kill_bed_bug": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/elkcellent_choice.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "impossible": {
       "trigger": "minecraft:impossible"

common-1.21.1/src/main/resources/data/antarchy/advancement/fallen_kingdom_castle.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "discover_castle": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/gravity_gun_craft.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_thoraxis",
   "criteria": {
     "craft_gravity_gun": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/herculean_task.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:anger_the_hive_mind",
   "criteria": {
     "kill_hercules_beetle": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/hey_listen.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_thoraxis",
   "criteria": {
     "impossible": {
       "trigger": "minecraft:impossible"

common-1.21.1/src/main/resources/data/antarchy/advancement/hoppy_together.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "impossible": {
       "trigger": "minecraft:impossible"

common-1.21.1/src/main/resources/data/antarchy/advancement/i_am_the_nightmare.json

@@ -0,0 +1,61 @@
+{
+  "parent": "antarchy:visit_thoraxis",
+  "criteria": {
+    "kill_emperor_scorpion": {
+      "conditions": {
+        "entity": {
+          "type": "antarchy:emperor_scorpion"
+        }
+      },
+      "trigger": "minecraft:player_killed_entity"
+    },
+    "kill_lucid": {
+      "conditions": {
+        "entity": {
+          "type": "antarchy:lucid"
+        }
+      },
+      "trigger": "minecraft:player_killed_entity"
+    },
+    "kill_nightmare": {
+      "conditions": {
+        "entity": {
+          "type": "antarchy:nightmare"
+        }
+      },
+      "trigger": "minecraft:player_killed_entity"
+    }
+  },
+  "display": {
+    "announce_to_chat": true,
+    "description": {
+      "text": "Defeat Emperor Scorpion, Lucid, and Nightmare"
+    },
+    "frame": "challenge",
+    "icon": {
+      "count": 1,
+      "id": "minecraft:potion",
+      "components": {
+        "minecraft:potion_contents": {
+          "potion": "antarchy:dread"
+        }
+      }
+    },
+    "show_toast": true,
+    "title": {
+      "text": "I Am the Nightmare"
+    }
+  },
+  "requirements": [
+    [
+      "kill_emperor_scorpion"
+    ],
+    [
+      "kill_lucid"
+    ],
+    [
+      "kill_nightmare"
+    ]
+  ],
+  "sends_telemetry_event": true
+}

common-1.21.1/src/main/resources/data/antarchy/advancement/in_the_upside_down.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_thoraxis",
   "criteria": {
     "become_inverted": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/kill_toreterror.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "kill_toreterror": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/lucid_dreams.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_thoraxis",
   "criteria": {
     "kill_lucid": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/moley_poley.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:anger_the_hive_mind",
   "criteria": {
     "kill_molevore": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/now_watch_me_whip.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:sting_operation",
   "criteria": {
     "now_watch_me_whip": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/shark_weak.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "kill_cloud_shark": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/soups_up.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:shark_weak",
   "criteria": {
     "eat_soup": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/spirant_animal.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "impossible": {
       "trigger": "minecraft:impossible"

common-1.21.1/src/main/resources/data/antarchy/advancement/sting_operation.json

@@ -0,0 +1,34 @@
+{
+  "parent": "antarchy:visit_thoraxis",
+  "criteria": {
+    "kill_emperor_scorpion": {
+      "conditions": {
+        "entity": {
+          "type": "antarchy:emperor_scorpion"
+        }
+      },
+      "trigger": "minecraft:player_killed_entity"
+    }
+  },
+  "display": {
+    "announce_to_chat": true,
+    "description": {
+      "text": "Defeat the Emperor Scorpion"
+    },
+    "frame": "challenge",
+    "icon": {
+      "count": 1,
+      "id": "antarchy:emperor_scorpion_spawn_egg"
+    },
+    "show_toast": true,
+    "title": {
+      "text": "Sting Operation"
+    }
+  },
+  "requirements": [
+    [
+      "kill_emperor_scorpion"
+    ]
+  ],
+  "sends_telemetry_event": true
+}

common-1.21.1/src/main/resources/data/antarchy/advancement/stone_cold.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "kill_basilisk": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/sweater_dreams.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_thoraxis",
   "criteria": {
     "kill_nightmare": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/the_lab.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_elythia",
   "criteria": {
     "discover_lab": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/advancement/visit_cavaryn.json

@@ -1,5 +1,4 @@
 {
-  "parent": "minecraft:adventure/root",
   "criteria": {
     "entered_cavaryn": {
       "conditions": {
@@ -10,6 +9,7 @@
   },
   "display": {
     "announce_to_chat": true,
+    "background": "antarchy:block/myrmite",
     "description": {
       "translate": "advancements.antarchy.visit_cavaryn.description"
     },

common-1.21.1/src/main/resources/data/antarchy/advancement/visit_elythia.json

@@ -1,5 +1,4 @@
 {
-  "parent": "minecraft:adventure/root",
   "criteria": {
     "entered_elythia": {
       "conditions": {
@@ -10,6 +9,7 @@
   },
   "display": {
     "announce_to_chat": true,
+    "background": "antarchy:block/ouranwood/mossy_ouranwood_log",
     "description": {
       "translate": "advancements.antarchy.visit_elythia.description"
     },

common-1.21.1/src/main/resources/data/antarchy/advancement/visit_thoraxis.json

@@ -1,5 +1,4 @@
 {
-  "parent": "minecraft:adventure/root",
   "criteria": {
     "entered_thoraxis": {
       "conditions": {
@@ -10,6 +9,7 @@
   },
   "display": {
     "announce_to_chat": true,
+    "background": "antarchy:block/nyxite",
     "description": {
       "translate": "advancements.antarchy.visit_thoraxis.description"
     },

common-1.21.1/src/main/resources/data/antarchy/advancement/whoever_smelt_it_dealt_it.json

@@ -1,5 +1,5 @@
 {
-  "parent": "minecraft:adventure/root",
+  "parent": "antarchy:visit_thoraxis",
   "criteria": {
     "become_stinky": {
       "conditions": {

common-1.21.1/src/main/resources/data/antarchy/tags/entity_type/inverted_immune.json

@@ -2,9 +2,7 @@
   "replace": false,
   "values": [
     "minecraft:ender_dragon",
-    "antarchy:emperor_scorpion",
     "antarchy:kraken",
-    "antarchy:nightmare",
     "antarchy:reverie",
     "antarchy:lucid",
     "antarchy:triffid"