use fabric event to registor UnloadHandler (#172)

src/main/java/reborncore/RebornCore.java

@@ -26,12 +26,14 @@
 
 import net.fabricmc.api.EnvType;
 import net.fabricmc.api.ModInitializer;
+import net.fabricmc.fabric.api.event.lifecycle.v1.ServerBlockEntityEvents;
 import net.fabricmc.fabric.api.event.world.WorldTickCallback;
 import net.fabricmc.loader.api.FabricLoader;
 import net.minecraft.util.Identifier;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import reborncore.api.ToolManager;
+import reborncore.api.blockentity.UnloadHandler;
 import reborncore.common.RebornCoreCommands;
 import reborncore.common.RebornCoreConfig;
 import reborncore.common.blocks.BlockWrenchEventHandler;
@@ -105,6 +107,11 @@ public void onInitialize() {
 		RebornCoreCommands.setup();
 
 		RebornCoreTags.WATER_EXPLOSION_ITEM.toString();
+
+		/* register UnloadHandler */
+		ServerBlockEntityEvents.BLOCK_ENTITY_LOAD.register((blockEntity, world) -> {
+			if (blockEntity instanceof UnloadHandler) ((UnloadHandler) blockEntity).onUnload();
+		});
 
 		LOGGER.info("Reborn core is done for now, now to let other mods have their turn...");
 		LOADED = true;

src/main/java/reborncore/RebornCoreClient.java

@@ -25,10 +25,12 @@
 package reborncore;
 
 import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientBlockEntityEvents;
 import net.fabricmc.fabric.api.client.item.v1.ItemTooltipCallback;
 import net.fabricmc.fabric.api.client.rendering.v1.HudRenderCallback;
 import net.fabricmc.fabric.api.event.client.ClientSpriteRegistryCallback;
 import net.minecraft.client.texture.SpriteAtlasTexture;
+import reborncore.api.blockentity.UnloadHandler;
 import reborncore.client.HolidayRenderManager;
 import reborncore.client.IconSupplier;
 import reborncore.client.ItemStackRenderer;
@@ -46,5 +48,10 @@ public void onInitializeClient() {
 		ClientBoundPacketHandlers.init();
 		HudRenderCallback.EVENT.register(new ItemStackRenderer());
 		ItemTooltipCallback.EVENT.register(new StackToolTipHandler());
+
+		/* register UnloadHandler */
+		ClientBlockEntityEvents.BLOCK_ENTITY_LOAD.register((blockEntity, world) -> {
+			if (blockEntity instanceof UnloadHandler) ((UnloadHandler) blockEntity).onUnload();
+		});
 	}
 }

src/main/resources/reborncore.common.mixins.json

@@ -15,10 +15,9 @@
     "MixinItemStack",
     "MixinLivingEntity",
     "MixinPlayerEntity",
-    "MixinRecipeManager",
-    "MixinWorld"
+    "MixinRecipeManager"
   ],
   "injectors": {
     "defaultRequire": 1
   }
-}
+}