PlayerBreakBlockEvent

MixinClientPlayerInteractionManager.java

package io.github.daomephsta.polar.client.mixin;

import org.spongepowered.asm.mixin.Final;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
import org.spongepowered.asm.mixin.injection.callback.LocalCapture;

import io.github.daomephsta.polar.common.callbacks.PlayerBreakBlockCallback;
import net.minecraft.block.Block;
import net.minecraft.block.BlockState;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.network.ClientPlayNetworkHandler;
import net.minecraft.client.network.ClientPlayerInteractionManager;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;

@Mixin(ClientPlayerInteractionManager.class)
public class MixinClientPlayerInteractionManager
{	
	@Shadow
	private @Final ClientPlayNetworkHandler networkHandler;
	@Shadow
	private @Final MinecraftClient client;
	
	@Inject(method = "net/minecraft/client/network/ClientPlayerInteractionManager.breakBlock(Lnet/minecraft/util/math/BlockPos;)Z", 
			at = @At(value = "INVOKE", target = "net/minecraft/block/Block.onBreak(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;Lnet/minecraft/entity/player/PlayerEntity;)V"),
			locals = LocalCapture.CAPTURE_FAILHARD,
			cancellable = true)
	public void polar_tryBreakBlock(BlockPos pos, CallbackInfoReturnable<Boolean> info, World world, BlockState state, Block block)
	{
		if (!PlayerBreakBlockCallback.EVENT.invoker().tryBreakBlock(world, client.player, pos, state))
			info.setReturnValue(false);
	}
}

MixinServerPlayerInteractionManager.java

package io.github.daomephsta.polar.server.mixin;

import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
import org.spongepowered.asm.mixin.injection.callback.LocalCapture;

import io.github.daomephsta.polar.common.callbacks.PlayerBreakBlockCallback;
import net.minecraft.block.Block;
import net.minecraft.block.BlockState;
import net.minecraft.server.network.ServerPlayerEntity;
import net.minecraft.server.network.ServerPlayerInteractionManager;
import net.minecraft.server.world.ServerWorld;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;

@Mixin(ServerPlayerInteractionManager.class)
public class MixinServerPlayerInteractionManager
{
	@Shadow
	public ServerWorld world;
	@Shadow
	public ServerPlayerEntity player;
	
	@Inject(method = "net/minecraft/server/network/ServerPlayerInteractionManager.tryBreakBlock(Lnet/minecraft/util/math/BlockPos;)Z", 
			at = @At(value = "INVOKE", target = "net/minecraft/block/Block.onBreak(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;Lnet/minecraft/entity/player/PlayerEntity;)V"),
			locals = LocalCapture.CAPTURE_FAILHARD,
			cancellable = true)
	public void polar_tryBreakBlock(BlockPos pos, CallbackInfoReturnable<Boolean> info, World world, BlockState state, Block block)
	{
		if (!PlayerBreakBlockCallback.EVENT.invoker().tryBreakBlock(world, player, pos, state))
			info.setReturnValue(false);
	}
}

PlayerBreakBlockCallback.java

package io.github.daomephsta.polar.common.callbacks;

import net.fabricmc.fabric.api.event.Event;
import net.fabricmc.fabric.api.event.EventFactory;
import net.minecraft.block.BlockState;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;

public interface PlayerBreakBlockCallback
{
	public static final Event<PlayerBreakBlockCallback> EVENT = EventFactory.createArrayBacked(PlayerBreakBlockCallback.class, 
			(callbacks) -> (world, player, pos, state) ->
			{
				for (PlayerBreakBlockCallback callback : callbacks)
				{
					if (!callback.tryBreakBlock(world, player, pos, state))
						return false;
				}
				return true;
			});
	
	public boolean tryBreakBlock(World world, PlayerEntity playerEntity, BlockPos pos, BlockState state);
}