124 lines
6.0 KiB
Java
124 lines
6.0 KiB
Java
package carpet.mixins;
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import carpet.CarpetSettings;
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import carpet.fakes.PistonBlockEntityInterface;
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import com.google.common.collect.Lists;
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import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
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import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
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import com.llamalad7.mixinextras.sugar.Local;
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import com.llamalad7.mixinextras.sugar.Share;
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import com.llamalad7.mixinextras.sugar.ref.LocalRef;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.block.Block;
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import net.minecraft.world.level.block.Blocks;
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import net.minecraft.world.level.block.CommandBlock;
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import net.minecraft.world.level.block.DirectionalBlock;
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import net.minecraft.world.level.block.entity.BlockEntity;
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import net.minecraft.world.level.block.piston.PistonBaseBlock;
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import net.minecraft.world.level.block.piston.PistonStructureResolver;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.material.PushReaction;
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import org.spongepowered.asm.mixin.Mixin;
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import org.spongepowered.asm.mixin.injection.At;
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import org.spongepowered.asm.mixin.injection.Inject;
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import org.spongepowered.asm.mixin.injection.Redirect;
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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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import java.util.Map;
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@Mixin(PistonBaseBlock.class)
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public abstract class PistonBaseBlock_movableBEMixin extends DirectionalBlock
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{
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protected PistonBaseBlock_movableBEMixin(Properties block$Settings_1)
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{
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super(block$Settings_1);
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}
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@Inject(method = "isPushable", cancellable = true, at = @At(value = "RETURN", ordinal = 3, shift = At.Shift.BEFORE))
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private static void movableCMD(BlockState blockState_1, Level world_1, BlockPos blockPos_1,
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Direction direction_1, boolean boolean_1, Direction direction_2, CallbackInfoReturnable<Boolean> cir)
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{
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Block block_1 = blockState_1.getBlock();
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//Make CommandBlocks movable, either use instanceof CommandBlock or the 3 cmd block objects,
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if (CarpetSettings.movableBlockEntities && block_1 instanceof CommandBlock)
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{
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cir.setReturnValue(true);
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}
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}
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private static boolean isPushableBlockEntity(Block block)
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{
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//Making PISTON_EXTENSION (BlockPistonMoving) pushable would not work as its createNewTileEntity()-method returns null
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return block != Blocks.ENDER_CHEST && block != Blocks.ENCHANTING_TABLE &&
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block != Blocks.END_GATEWAY && block != Blocks.END_PORTAL && block != Blocks.MOVING_PISTON &&
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block != Blocks.SPAWNER
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&& block != Blocks.SCULK_SENSOR && block != Blocks.CALIBRATED_SCULK_SENSOR; // these have weird behaviour and crashes, #1473, also #1885
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}
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@Redirect(method = "isPushable", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/level/block/state/BlockState;hasBlockEntity()Z"))
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private static boolean ifHasBlockEntity(BlockState blockState)
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{
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if (!blockState.hasBlockEntity())
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{
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return false;
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}
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else
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{
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return !(CarpetSettings.movableBlockEntities && isPushableBlockEntity(blockState.getBlock()));
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}
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}
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@Redirect(method = "isPushable", at = @At(
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value = "INVOKE",
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target = "Lnet/minecraft/world/level/block/state/BlockState;getPistonPushReaction()Lnet/minecraft/world/level/material/PushReaction;"
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))
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private static PushReaction moveGrindstones(BlockState blockState)
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{
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if (CarpetSettings.movableBlockEntities && blockState.getBlock() == Blocks.GRINDSTONE) return PushReaction.NORMAL;
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return blockState.getPistonPushReaction();
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}
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@Inject(method = "moveBlocks", at = @At(value = "INVOKE", shift = At.Shift.BEFORE,
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target = "Ljava/util/List;size()I", ordinal = 3),locals = LocalCapture.CAPTURE_FAILHARD)
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private void onMove(Level world_1, BlockPos blockPos_1, Direction direction_1, boolean boolean_1,
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CallbackInfoReturnable<Boolean> cir, BlockPos blockPos_2, PistonStructureResolver pistonHandler_1, Map<?, ?> map_1,
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List<BlockPos> list_1, List<BlockState> list_2, List<?> list_3, BlockState[] blockStates_1,
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Direction direction_2, int int_2, @Share("blockEntities") LocalRef<List<BlockEntity>> blockEntities)
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{
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//Get the blockEntities and remove them from the world before any magic starts to happen
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if (CarpetSettings.movableBlockEntities)
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{
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blockEntities.set(Lists.newArrayList());
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for (int i = 0; i < list_1.size(); ++i)
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{
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BlockPos blockpos = list_1.get(i);
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BlockEntity blockEntity = (list_2.get(i).hasBlockEntity()) ? world_1.getBlockEntity(blockpos) : null;
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blockEntities.get().add(blockEntity);
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if (blockEntity != null)
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{
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//hopefully this call won't have any side effects in the future, such as dropping all the BlockEntity's items
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//we want to place this same(!) BlockEntity object into the world later when the movement stops again
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world_1.removeBlockEntity(blockpos);
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blockEntity.setChanged();
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}
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}
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}
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}
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@WrapOperation(method = "moveBlocks", at = @At(value = "INVOKE",
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target = "Lnet/minecraft/world/level/Level;setBlockEntity(Lnet/minecraft/world/level/block/entity/BlockEntity;)V",
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ordinal = 0))
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private void setCarriedOnMove(Level instance, BlockEntity blockEntity, Operation<Void> original,
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@Local(ordinal = 1) int index, @Share("blockEntities") LocalRef<List<BlockEntity>> blockEntities)
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{
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if (CarpetSettings.movableBlockEntities)
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((PistonBlockEntityInterface) blockEntity).setCarriedBlockEntity(blockEntities.get().get(index));
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original.call(instance, blockEntity);
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}
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}
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