Migrate Carpet Mixin names to mojang mappings

src/main/java/carpet/mixins/ServerChunkCache_tickMixin.java

@@ -0,0 +1,77 @@
+package carpet.mixins;
+
+import carpet.fakes.ThreadedAnvilChunkStorageInterface;
+import carpet.helpers.TickSpeed;
+import carpet.utils.CarpetProfiler;
+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.Inject;
+import org.spongepowered.asm.mixin.injection.Redirect;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+import net.minecraft.server.level.ChunkHolder;
+import net.minecraft.server.level.ChunkMap;
+import net.minecraft.server.level.ServerChunkCache;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.chunk.LevelChunk;
+import com.google.common.collect.Lists;
+
+@Mixin(ServerChunkCache.class)
+public abstract class ServerChunkCache_tickMixin
+{
+
+    @Shadow @Final private ServerLevel level;
+
+    @Shadow @Final
+    public ChunkMap chunkMap;
+
+    CarpetProfiler.ProfilerToken currentSection;
+
+    @Inject(method = "tickChunks", at = @At("HEAD"))
+    private void startSpawningSection(CallbackInfo ci)
+    {
+        currentSection = CarpetProfiler.start_section(level, "Spawning and Random Ticks", CarpetProfiler.TYPE.GENERAL);
+    }
+
+    @Inject(method = "tickChunks", at = @At("RETURN"))
+    private void stopSpawningSection(CallbackInfo ci)
+    {
+        if (currentSection != null)
+        {
+            CarpetProfiler.end_current_section(currentSection);
+        }
+    }
+
+    //// Tick freeze
+    @Redirect(method = "tickChunks", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/server/level/ServerLevel;isDebug()Z"
+    ))
+    private boolean skipChunkTicking(ServerLevel serverWorld)
+    {
+        boolean debug = serverWorld.isDebug();
+        if (!TickSpeed.process_entities)
+        {
+            // simplified chunk tick iteration assuming world is frozen otherwise as suggested by Hadron67
+            // to be kept in sync with the original injection source
+            if (!debug){
+                List<ChunkHolder> holders = Lists.newArrayList(((ThreadedAnvilChunkStorageInterface)chunkMap).getChunksCM());
+                Collections.shuffle(holders);
+                for (ChunkHolder holder: holders){
+                    Optional<LevelChunk> optional = holder.getTickingChunkFuture().getNow(ChunkHolder.UNLOADED_LEVEL_CHUNK).left();
+                    if (optional.isPresent()){
+                        holder.broadcastChanges(optional.get());
+                    }
+                }
+            }
+            return true;
+        }
+        return debug;
+    }
+
+}