ghost blocks fix

src/main/java/carpet/mixins/ClientPlayerInteractionManager_ghostBlocksMixin.java

@@ -0,0 +1,48 @@
+package carpet.mixins;
+
+
+import carpet.settings.CarpetSettings;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.network.ClientPlayerInteractionManager;
+import net.minecraft.server.network.packet.PlayerInteractBlockC2SPacket;
+import net.minecraft.util.Hand;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.shape.VoxelShapes;
+import net.minecraft.world.IWorld;
+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.Redirect;
+
+@Mixin(ClientPlayerInteractionManager.class)
+public abstract class ClientPlayerInteractionManager_ghostBlocksMixin
+{
+
+    @Shadow @Final private MinecraftClient client;
+
+    @Redirect(method = "breakBlock", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/block/Block;onBroken(Lnet/minecraft/world/IWorld;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;)V")
+    )
+    private void requestServerStatusForBlock(Block block, IWorld iWorld_1, BlockPos blockPos_1, BlockState blockState_1) {
+        if ((CarpetSettings.miningGhostBlockFix || (
+                    !client.isInSingleplayer() &&
+                            !client.isIntegratedServerRunning() &&
+                            client.getNetworkHandler().getCommandDispatcher().getRoot().getChild("carpet") == null)) &&
+                blockState_1.getHardness(client.world, blockPos_1) > 0.0 &&
+                blockState_1.getCollisionShape(iWorld_1, blockPos_1) != VoxelShapes.empty()
+        )
+        {
+            client.getNetworkHandler().sendPacket(new PlayerInteractBlockC2SPacket(
+                    Hand.MAIN_HAND,
+                    new BlockHitResult(new Vec3d(blockPos_1), Direction.DOWN, blockPos_1, false)
+            ));
+        }
+    }
+}