Add BlockBreakEffectsCallback

fabric-events-interaction-v0/src/main/java/net/fabricmc/fabric/api/event/BlockBreakEffectsCallback.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016, 2017, 2018, 2019 FabricMC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.fabricmc.fabric.api.event;
+
+import net.minecraft.block.BlockState;
+import net.minecraft.entity.Entity;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+
+/**
+ * Callback for the effects displayed when a block is broken (particles and sounds).
+ *
+ * <p>This is invoked on both the logical-client and logical-server
+ */
+public interface BlockBreakEffectsCallback {
+	Event<BlockBreakEffectsCallback> EVENT = EventFactory.createArrayBacked(BlockBreakEffectsCallback.class, (listeners) -> (world, pos, state, breakingEntity) -> {
+		for (BlockBreakEffectsCallback event : listeners) {
+			if (!event.run(world, pos, state, breakingEntity)) {
+				return false;
+			}
+		}
+
+		return true;
+	});
+
+	/**
+	 * Determines if a block break effect should be displayed.
+	 *
+	 * @param world the world
+	 * @param pos the position of broken block
+	 * @param state the broken block state
+	 * @param breakingEntity the entity that broke the block
+	 * @return {@code false} to cancel prevents the block break effects from being displayed, {@code true} to pass on to other callbacks
+	 */
+	boolean run(World world, BlockPos pos, BlockState state, /* nullable */ Entity breakingEntity);
+}

fabric-events-interaction-v0/src/main/java/net/fabricmc/fabric/mixin/event/interaction/BlockMixin.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2016, 2017, 2018, 2019 FabricMC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.fabricmc.fabric.mixin.event.interaction;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+
+import net.fabricmc.fabric.api.event.BlockBreakEffectsCallback;
+
+@Mixin(Block.class)
+public class BlockMixin {
+	@Redirect(at = @At(value = "INVOKE", target = "Lnet/minecraft/world/World;syncWorldEvent(Lnet/minecraft/entity/player/PlayerEntity;ILnet/minecraft/util/math/BlockPos;I)V"), method = "onBreak")
+	public void onBreak(World world, PlayerEntity player, int eventId, BlockPos pos, int data, World world2, BlockPos pos2, BlockState state, PlayerEntity player2) {
+		if (BlockBreakEffectsCallback.EVENT.invoker().run(world, pos, state, player2)) {
+			world.syncWorldEvent(player, eventId, pos, data);
+		}
+	}
+}

fabric-events-interaction-v0/src/main/java/net/fabricmc/fabric/mixin/event/interaction/WorldMixin.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2016, 2017, 2018, 2019 FabricMC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.fabricmc.fabric.mixin.event.interaction;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import net.minecraft.entity.Entity;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+
+import net.fabricmc.fabric.api.event.BlockBreakEffectsCallback;
+
+@Mixin(World.class)
+public class WorldMixin {
+	@Redirect(at = @At(value = "INVOKE", target = "Lnet/minecraft/world/World;syncWorldEvent(ILnet/minecraft/util/math/BlockPos;I)V"), method = "breakBlock")
+	public void breakBlock(World world, int eventId, BlockPos pos, int data, BlockPos pos2, boolean drop, Entity breakingEntity, int maxUpdateDepth) {
+		if (BlockBreakEffectsCallback.EVENT.invoker().run(world, pos, world.getBlockState(pos), breakingEntity)) {
+			world.syncWorldEvent(eventId, pos, data);
+		}
+	}
+}

fabric-events-interaction-v0/src/main/resources/fabric-events-interaction-v0.mixins.json

@@ -3,9 +3,11 @@
   "package": "net.fabricmc.fabric.mixin.event.interaction",
   "compatibilityLevel": "JAVA_8",
   "mixins": [
+    "BlockMixin",
     "MixinServerPlayerEntity",
     "MixinServerPlayerInteractionManager",
-    "MixinServerPlayNetworkHandler"
+    "MixinServerPlayNetworkHandler",
+    "WorldMixin"
   ],
   "client": [
     "MixinClientPlayerInteractionManager",

fabric-events-interaction-v0/src/testmod/java/net/fabricmc/fabric/test/event/interaction/BlockBreakEffectsTest.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2016, 2017, 2018, 2019 FabricMC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.fabricmc.fabric.test.event.interaction;
+
+import net.minecraft.block.Blocks;
+
+import net.fabricmc.api.ModInitializer;
+import net.fabricmc.fabric.api.event.BlockBreakEffectsCallback;
+
+public class BlockBreakEffectsTest implements ModInitializer {
+	@Override
+	public void onInitialize() {
+		BlockBreakEffectsCallback.EVENT.register((world, pos, state, breakingEntity) -> state.getBlock() != Blocks.BEDROCK);
+	}
+}

fabric-events-interaction-v0/src/testmod/resources/fabric.mod.json

@@ -10,6 +10,7 @@
   },
   "entrypoints": {
     "main": [
+      "net.fabricmc.fabric.test.event.interaction.BlockBreakEffectsTest",
       "net.fabricmc.fabric.test.event.interaction.PlayerBreakBlockTests"
     ]
   }