Merge branch 'master' into 1.15
# Conflicts: # gradle.properties # src/main/java/carpet/settings/CarpetSettings.java
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package carpet.mixins;
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import carpet.settings.CarpetSettings;
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import net.minecraft.block.Block;
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import net.minecraft.block.BlockState;
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import net.minecraft.block.Blocks;
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import net.minecraft.block.ChestBlock;
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import net.minecraft.block.enums.ChestType;
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import net.minecraft.block.piston.PistonHandler;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.math.Direction;
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import net.minecraft.world.World;
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import org.spongepowered.asm.mixin.Final;
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import org.spongepowered.asm.mixin.Mixin;
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import org.spongepowered.asm.mixin.Shadow;
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import org.spongepowered.asm.mixin.injection.*;
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import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
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import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
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import java.util.List;
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@Mixin(PistonHandler.class)
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public abstract class PistonHandler_movableTEMixin
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{
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/*
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* The following Mixins make double chests behave sticky on the side where they are connected to its other double chest half block.
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* This is achieved by Injecting calls to "stickToStickySide" where normally slimeblocks stick to all their neighboring blocks.
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* redirectGetBlockState_1_A/B is neccessary to get access to the blockState_1 variable, which is used in redirectSlimeBlock.
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* redirectSlimeBlock is neccessary to also enable chests to have the backward stickyness (this seems to be an edge case)
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*
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* Note that it is possible to separate chests the same way pistons can separate slimeblocks.
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*/
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@Shadow
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@Final
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private World world;
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@Shadow protected abstract boolean tryMove(BlockPos blockPos_1, Direction direction_1);
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@Inject(method = "tryMove", at = @At(value = "INVOKE", target = "Ljava/util/List;get(I)Ljava/lang/Object;", shift = At.Shift.AFTER), locals = LocalCapture.CAPTURE_FAILHARD, cancellable = true)
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/**
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* Handles blocks besides the slimeblock that are sticky. Currently only supports blocks that are sticky on one side.
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* @author 2No2Name
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*/
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private void stickToStickySide(BlockPos blockPos_1, Direction direction_1, CallbackInfoReturnable<Boolean> cir, BlockState blockState_1, Block block_1, int int_1, int int_2, int int_4, BlockPos blockPos_3, int int_5, int int_6){
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if(!stickToStickySide(blockPos_3)){
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cir.setReturnValue(false);
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cir.cancel();
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}
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}
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@Shadow @Final private List<BlockPos> movedBlocks;
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@Inject(method = "calculatePush", at = @At(value = "INVOKE", target = "Ljava/util/List;get(I)Ljava/lang/Object;", shift = At.Shift.AFTER), locals = LocalCapture.CAPTURE_FAILHARD, cancellable = true)
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/**
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* Handles blocks besides the slimeblock that are sticky. Currently only supports blocks that are sticky on one side.
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* @author 2No2Name
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*/
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private void stickToStickySide(CallbackInfoReturnable<Boolean> cir, int int_1){
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if(!stickToStickySide(this.movedBlocks.get(int_1))){
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cir.setReturnValue(false);
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cir.cancel();
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}
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}
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/**
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* Handles blocks besides the slimeblock that are sticky. Currently only supports blocks that are sticky on one side.
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* Currently the only additional sticky block is the double chest, which sticks to its other chest half.
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* @param blockPos_1 location of a block that moves and needs to stick other blocks to it
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* @author 2No2Name
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*/
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private boolean stickToStickySide(BlockPos blockPos_1){
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if(!CarpetSettings.movableTileEntities)
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return true;
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BlockState blockState_1 = this.world.getBlockState(blockPos_1);
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Block block = blockState_1.getBlock();
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Direction stickyDirection = null;
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if(block == Blocks.CHEST || block == Blocks.TRAPPED_CHEST) {
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stickyDirection = getDirectionToOtherChestHalf(blockState_1);
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}
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//example how you could make sticky pistons have a sticky side:
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//else if(block == Blocks.STICKY_PISTON){
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// stickyDirection = blockState_1.get(FacingBlock.FACING);
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//}
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return stickyDirection == null || this.tryMove(blockPos_1.offset(stickyDirection), stickyDirection);
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}
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//Get access to the blockstate to check if it is a chest
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@Shadow private Direction direction;
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private BlockState blockState_1;
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@Redirect(method = "tryMove",
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at = @At(value = "INVOKE", target = "Lnet/minecraft/world/World;getBlockState(Lnet/minecraft/util/math/BlockPos;)Lnet/minecraft/block/BlockState;", ordinal = 0))
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private BlockState redirectGetBlockState_1_A(World world, BlockPos pos) {
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return blockState_1 = world.getBlockState(pos);
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}
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@Redirect(method = "tryMove",
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at = @At(value = "INVOKE", target = "Lnet/minecraft/world/World;getBlockState(Lnet/minecraft/util/math/BlockPos;)Lnet/minecraft/block/BlockState;", ordinal = 1))
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private BlockState redirectGetBlockState_1_B(World world, BlockPos pos) {
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return blockState_1 = world.getBlockState(pos);
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}
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@Redirect(method = "tryMove",
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at = @At(value = "FIELD", target = "Lnet/minecraft/block/Blocks;SLIME_BLOCK:Lnet/minecraft/block/Block;"))
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//Thanks to Earthcomputer for showing how to redirect FIELD access like this
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/**
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* Makes backwards stickyness work with sticky non-slimeblocks as well.
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* @author 2No2Nameb
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*/
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private Block redirectSlimeBlock() {
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if (CarpetSettings.movableTileEntities && isStickyOnSide(blockState_1, this.direction.getOpposite()))
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return blockState_1.getBlock(); //this makes the comparison in the while condition "while(blockState_1.getBlock() == redirectSlimeBlock())" evaluate to true, so the block is treated as sticky
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else
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return Blocks.SLIME_BLOCK; //vanilla behavior
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}
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//if more helpers like this start existing, move this to Chest class
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/**
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* @param blockState blockState of one double chest half block
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* @return Direction towards the other block of the double chest, null if the blockState is not a double chest
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* @author 2No2Name
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*/
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private Direction getDirectionToOtherChestHalf(BlockState blockState){
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ChestType chestType;
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try{
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chestType = blockState.get(ChestBlock.CHEST_TYPE);
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}catch(IllegalArgumentException e){return null;}
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if(chestType == ChestType.SINGLE)
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return null;
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return ChestBlock.getFacing(blockState);
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}
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/**
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* Returns true if there is a modification making this blockState sticky on the given face. Vanilla stickyness of SLIME_BLOCK is not affected.
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* @param blockState BlockState to determine the stickyness of
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* @param direction Direction in which the stickyness is to be found
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* @return boolean whether block is not SLIME_BLOCK and is sticky in the given direction
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* @author 2No2Name
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*/
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private boolean isStickyOnSide(BlockState blockState, Direction direction) {
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Block block = blockState.getBlock();
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if(block == Blocks.CHEST || block == Blocks.TRAPPED_CHEST)
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//Make chests be sticky on the side to
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return getDirectionToOtherChestHalf(blockState) == direction;
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//example how you could make sticky pistons have a sticky side:
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//if(block == Blocks.STICKY_PISTON)
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// return blockState.get(FacingBlock.FACING) == direction.getOpposite();
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return false;
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}
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}
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@@ -9,6 +9,7 @@ import net.minecraft.server.world.ChunkTicketType;
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import net.minecraft.server.world.ServerChunkManager;
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import net.minecraft.server.world.ServerWorld;
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import net.minecraft.util.Unit;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.math.Box;
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import net.minecraft.util.math.ChunkPos;
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import net.minecraft.util.math.Vec3d;
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@@ -361,7 +362,11 @@ public class CarpetSettings
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}
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ServerWorld overworld = CarpetServer.minecraft_server.getWorld(DimensionType.OVERWORLD);
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if (overworld != null) {
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ChunkPos centerChunk = new ChunkPos(overworld.getSpawnPos());
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ChunkPos centerChunk = new ChunkPos(new BlockPos(
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overworld.getLevelProperties().getSpawnX(),
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overworld.getLevelProperties().getSpawnY(),
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overworld.getLevelProperties().getSpawnZ()
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));
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ServerChunkManager chunkManager = (ServerChunkManager) overworld.getChunkManager();
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chunkManager.removeTicket(ChunkTicketType.START, centerChunk, 11, Unit.INSTANCE);
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