Apparitions can't go in or out of Ectoplasm Blocks

src/main/java/net/frozenblock/trailiertales/block/EctoplasmBlock.java

@@ -2,28 +2,30 @@
 
 import com.mojang.serialization.MapCodec;
 import com.mojang.serialization.codecs.RecordCodecBuilder;
+import net.frozenblock.lib.block.api.shape.FrozenShapes;
 import net.frozenblock.trailiertales.entity.Apparition;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.tags.FluidTags;
 import net.minecraft.world.level.BlockGetter;
 import net.minecraft.world.level.block.*;
 import net.minecraft.world.level.block.state.BlockState;
-import net.minecraft.world.level.material.PushReaction;
 import net.minecraft.world.phys.shapes.CollisionContext;
 import net.minecraft.world.phys.shapes.EntityCollisionContext;
 import net.minecraft.world.phys.shapes.Shapes;
 import net.minecraft.world.phys.shapes.VoxelShape;
 import org.jetbrains.annotations.NotNull;
 
 public class EctoplasmBlock extends HalfTransparentBlock {
-	public static final VoxelShape COLLISION_SHAPE = Shapes.empty();
+	public static final float APPARITION_COLLISION_FROM_SIDE = 0.25F;
 	public static final int LIGHT_BLOCK = 2;
 	public static final double GRAVITY_SLOWDOWN = 0.4D;
 	public static final MapCodec<EctoplasmBlock> CODEC = RecordCodecBuilder.mapCodec((instance) -> instance.group(
 		propertiesCodec()
 	).apply(instance, EctoplasmBlock::new));
 
 	public EctoplasmBlock(@NotNull Properties properties) {
-		super(properties.pushReaction(PushReaction.DESTROY));
+		super(properties);
 	}
 
 	@NotNull
@@ -35,12 +37,19 @@ protected MapCodec<? extends EctoplasmBlock> codec() {
 	@Override
 	@NotNull
 	public VoxelShape getCollisionShape(@NotNull BlockState blockState, @NotNull BlockGetter blockGetter, @NotNull BlockPos blockPos, @NotNull CollisionContext collisionContext) {
+		VoxelShape shape = Shapes.empty();
+
 		if (collisionContext instanceof EntityCollisionContext entityCollisionContext) {
 			if (entityCollisionContext.getEntity() instanceof Apparition) {
-				return super.getCollisionShape(blockState, blockGetter, blockPos, collisionContext);
+				for (Direction direction : Direction.values()) {
+					if (!blockGetter.getBlockState(blockPos.relative(direction)).is(this)) {
+						shape = Shapes.or(shape, FrozenShapes.makePlaneFromDirection(direction, APPARITION_COLLISION_FROM_SIDE));
+					}
+				}
 			}
 		}
-		return COLLISION_SHAPE;
+
+		return shape;
 	}
 
 	@Override

src/main/java/net/frozenblock/trailiertales/entity/Apparition.java

@@ -424,18 +424,13 @@ public void move(MoverType movementType, Vec3 movement) {
 			this.minorHorizontalCollision = false;
 		}
 
-		this.setOnGroundWithMovement(this.verticalCollisionBelow, vec3);
 		if (this.isRemoved()) {
 			this.level().getProfiler().pop();
 		} else {
 			if (this.horizontalCollision) {
 				Vec3 vec32 = this.getDeltaMovement();
 				this.setDeltaMovement(horizontalCollisionX ? 0D : vec32.x, vec32.y, horizontalCollisionZ ? 0D : vec32.z);
 			}
-			this.tryCheckInsideBlocks();
-			float h = this.getBlockSpeedFactor();
-			this.setDeltaMovement(this.getDeltaMovement().multiply(h, 1D, h));
-
 			this.level().getProfiler().pop();
 		}
 	}

src/main/java/net/frozenblock/trailiertales/registry/TTBlocks.java

@@ -520,6 +520,8 @@ public class TTBlocks {
 			.sound(SoundType.WOOL)
 			.isSuffocating(Blocks::never)
 			.isViewBlocking(Blocks::never)
+			.pushReaction(PushReaction.DESTROY)
+			.dynamicShape()
 			.requiredFeatures(TTFeatureFlags.FEATURE_FLAG)
 	);