fix: send block updates when chunk post-processing

Fixes #222

c2me-notickvd/src/main/java/com/ishland/c2me/notickvd/mixin/MixinWorldChunk.java

@@ -0,0 +1,20 @@
+package com.ishland.c2me.notickvd.mixin;
+
+import net.minecraft.block.Block;
+import net.minecraft.world.chunk.WorldChunk;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.ModifyArg;
+
+@Mixin(WorldChunk.class)
+public class MixinWorldChunk {
+
+    @ModifyArg(method = "runPostProcessing", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/World;setBlockState(Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;I)Z"))
+    private int notifyListenersWhenPostProcessing(int flags) {
+//        if (true) return flags;
+        flags &= ~Block.NO_REDRAW; // clear NO_REDRAW
+        flags |= Block.NOTIFY_LISTENERS; // set NOTIFY_LISTENERS
+        return flags;
+    }
+
+}

c2me-notickvd/src/main/resources/c2me-notickvd.mixins.json

@@ -9,6 +9,7 @@
     "MixinPlayerManager",
     "MixinServerChunkManager",
     "MixinThreadedAnvilChunkStorage",
-    "MixinWorld"
+    "MixinWorld",
+    "MixinWorldChunk"
   ]
 }