Merge remote-tracking branch 'upstream/mc1.15/dev' into mc1.15/dev

src/main/java/com/simibubi/create/content/contraptions/components/actors/DrillMovementBehaviour.java

@@ -1,10 +1,11 @@
 package com.simibubi.create.content.contraptions.components.actors;
 
+import javax.annotation.Nullable;
+
 import com.mojang.blaze3d.matrix.MatrixStack;
 import com.simibubi.create.content.contraptions.components.structureMovement.MovementContext;
 import com.simibubi.create.content.contraptions.components.structureMovement.render.ActorInstance;
 import com.simibubi.create.content.contraptions.components.structureMovement.render.ContraptionKineticRenderer;
-import com.simibubi.create.content.contraptions.components.structureMovement.render.RenderedContraption;
 import com.simibubi.create.foundation.render.backend.FastRenderDispatcher;
 import com.simibubi.create.foundation.utility.VecHelper;
 
@@ -17,8 +18,6 @@ import net.minecraft.world.World;
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.api.distmarker.OnlyIn;
 
-import javax.annotation.Nullable;
-
 public class DrillMovementBehaviour extends BlockBreakingMovementBehaviour {
 
 	@Override

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/AbstractContraptionEntity.java

@@ -461,6 +461,8 @@ public abstract class AbstractContraptionEntity extends Entity implements IEntit
 			if (!ticking)
 				contraption.stop(world);
 		}
+		if (contraption != null)
+			contraption.onEntityRemoved(this);
 		super.remove(keepData);
 	}
 

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/Contraption.java

@@ -137,7 +137,7 @@ public abstract class Contraption {
 	private Map<BlockPos, Entity> initialPassengers;
 	private List<BlockFace> pendingSubContraptions;
 
-	private CompletableFuture<List<AxisAlignedBB>> simplifiedEntityColliderProvider;
+	private CompletableFuture<Void> simplifiedEntityColliderProvider;
 
 	// Client
 	public Map<BlockPos, TileEntity> presentTileEntities;
@@ -193,6 +193,7 @@ public abstract class Contraption {
 		String type = nbt.getString("Type");
 		Contraption contraption = ContraptionType.fromType(type);
 		contraption.readNBT(world, nbt, spawnData);
+		contraption.world = new ContraptionWorld(world, contraption);
 		contraption.gatherBBsOffThread();
 		return contraption;
 	}
@@ -260,6 +261,13 @@ public abstract class Contraption {
 		gatherBBsOffThread();
 	}
 
+	public void onEntityRemoved(AbstractContraptionEntity entity) {
+		if (simplifiedEntityColliderProvider != null) {
+			simplifiedEntityColliderProvider.cancel(false);
+			simplifiedEntityColliderProvider = null;
+		}
+	}
+
 	public void onEntityInitialize(World world, AbstractContraptionEntity contraptionEntity) {
 		if (world.isRemote)
 			return;
@@ -282,15 +290,6 @@ public abstract class Contraption {
 	}
 
 	public void onEntityTick(World world) {
-		if (simplifiedEntityColliderProvider != null && simplifiedEntityColliderProvider.isDone()) {
-			try {
-				simplifiedEntityColliders = Optional.of(simplifiedEntityColliderProvider.join());
-			} catch (Exception e) {
-				e.printStackTrace();
-			}
-			simplifiedEntityColliderProvider = null;
-		}
-
 		fluidStorage.forEach((pos, mfs) -> mfs.tick(entity, pos, world.isRemote));
 	}
 
@@ -1182,19 +1181,25 @@ public abstract class Contraption {
 	}
 
 	private void gatherBBsOffThread() {
+		getContraptionWorld();
 		simplifiedEntityColliderProvider = CompletableFuture.supplyAsync(() -> {
 			VoxelShape combinedShape = VoxelShapes.empty();
 			for (Entry<BlockPos, BlockInfo> entry : blocks.entrySet()) {
 				BlockInfo info = entry.getValue();
 				BlockPos localPos = entry.getKey();
-				VoxelShape collisionShape = info.state.getCollisionShape(this.world, localPos);
+				VoxelShape collisionShape = info.state.getCollisionShape(world, localPos);
 				if (collisionShape.isEmpty())
 					continue;
-				combinedShape = VoxelShapes.combineAndSimplify(combinedShape,
+				combinedShape = VoxelShapes.combine(combinedShape,
 					collisionShape.withOffset(localPos.getX(), localPos.getY(), localPos.getZ()), IBooleanFunction.OR);
 			}
-			return combinedShape.toBoundingBoxList();
+			return combinedShape.simplify()
-		});
+				.toBoundingBoxList();
+		})
+			.thenAccept(r -> {
+				simplifiedEntityColliders = Optional.of(r);
+				simplifiedEntityColliderProvider = null;
+			});
 	}
 
 	public static float getRadius(Set<BlockPos> blocks, Direction.Axis axis) {

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/ContraptionCollider.java

@@ -118,7 +118,6 @@ public class ContraptionCollider {
 			motion = rotationMatrix.transform(motion);
 
 			// Use simplified bbs when present 
-			// TODO: is it worth filtering out far away bbs?
 			final Vec3d motionCopy = motion;
 			List<AxisAlignedBB> collidableBBs = contraption.simplifiedEntityColliders.orElseGet(() -> {
 
@@ -147,7 +146,17 @@ public class ContraptionCollider {
 
 				for (AxisAlignedBB bb : collidableBBs) {
 					Vec3d currentResponse = collisionResponse.getValue();
-					obb.setCenter(obbCenter.add(currentResponse));
+					Vec3d currentCenter = obbCenter.add(currentResponse);
+
+					if (Math.abs(currentCenter.x - bb.getCenter().x) - entityBounds.getXSize() - 1 > bb.getXSize() / 2)
+						continue;
+					if (Math.abs((currentCenter.y + motion.y) - bb.getCenter().y) - entityBounds.getYSize()
+						- 1 > bb.getYSize() / 2)
+						continue;
+					if (Math.abs(currentCenter.z - bb.getCenter().z) - entityBounds.getZSize() - 1 > bb.getZSize() / 2)
+						continue;
+
+					obb.setCenter(currentCenter);
 					ContinuousSeparationManifold intersect = obb.intersect(bb, motion);
 
 					if (intersect == null)

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/bearing/MechanicalBearingTileEntity.java

@@ -101,6 +101,11 @@ public class MechanicalBearingTileEntity extends GeneratingKineticTileEntity
 	public void onSpeedChanged(float prevSpeed) {
 		super.onSpeedChanged(prevSpeed);
 		assembleNextTick = true;
+		
+		if (movedContraption != null && Math.signum(prevSpeed) != Math.signum(getSpeed()) && prevSpeed != 0) {
+			movedContraption.getContraption()
+				.stop(world);
+		}
 	}
 
 	public float getAngularSpeed() {

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/gantry/GantryContraptionEntity.java

@@ -69,6 +69,8 @@ public class GantryContraptionEntity extends AbstractContraptionEntity {
 		if (!isStalled() && ticksExisted > 2)
 			move(movementVec.x, movementVec.y, movementVec.z);
 
+		if (Math.signum(prevAxisMotion) != Math.signum(axisMotion) && prevAxisMotion != 0)
+			contraption.stop(world);
 		if (!world.isRemote && (prevAxisMotion != axisMotion || ticksExisted % 3 == 0))
 			sendPacket();
 	}

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/piston/LinearActuatorTileEntity.java

@@ -20,7 +20,8 @@ import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.math.Vec3d;
 
-public abstract class LinearActuatorTileEntity extends KineticTileEntity implements IControlContraption, IDisplayAssemblyExceptions {
+public abstract class LinearActuatorTileEntity extends KineticTileEntity
+	implements IControlContraption, IDisplayAssemblyExceptions {
 
 	public float offset;
 	public boolean running;
@@ -147,6 +148,11 @@ public abstract class LinearActuatorTileEntity extends KineticTileEntity impleme
 		super.onSpeedChanged(prevSpeed);
 		assembleNextTick = true;
 		waitingForSpeedChange = false;
+
+		if (movedContraption != null && Math.signum(prevSpeed) != Math.signum(getSpeed()) && prevSpeed != 0) {
+			movedContraption.getContraption()
+				.stop(world);
+		}
 	}
 
 	@Override