Initial commit: Dimensional Ripper mod source (NeoForge 1.21.1)

src/main/java/dev/modzuozhi/mixin/ServerPlayerPrefetchMixin.java

@@ -0,0 +1,24 @@
+package dev.modzuozhi.mixin;
+
+import dev.modzuozhi.core.dimthread.ChunkPrefetcher;
+import net.minecraft.server.level.ServerPlayer;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+/**
+ * 阶段 A（步骤 0）：挂载区块预取到玩家 tick。
+ * <p>
+ * 玩家实体 tick 只由主线程 {@code playerList.tick()} → {@code ServerPlayer.doTick()} 驱动
+ * （维度 worker 已跳过玩家 tick，见 {@link EntityTickParallelMixin}），因此本注入天然运行在
+ * 主线程，与维度并行无冲突。预取逻辑本身是纯增益、全 try/catch，任何异常都不影响玩家。
+ */
+@Mixin(ServerPlayer.class)
+public abstract class ServerPlayerPrefetchMixin {
+
+    @Inject(method = "doTick", at = @At("HEAD"))
+    private void modzuozhi_prefetchChunks(CallbackInfo ci) {
+        ChunkPrefetcher.onPlayerTick((ServerPlayer) (Object) this);
+    }
+}