From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MrHua269 <wangxyper@163.com>
Date: Wed, 5 Feb 2025 15:22:19 +0800
Subject: [PATCH] Add config to enable raytracing tracker


diff --git a/net/minecraft/server/level/ChunkMap.java b/net/minecraft/server/level/ChunkMap.java
index 0c0775bbb0c0ba0c37d1b884bb106b5250e94750..0dfb25ad032429a2aea7aa441dd5fd1848a6c617 100644
--- a/net/minecraft/server/level/ChunkMap.java
+++ b/net/minecraft/server/level/ChunkMap.java
@@ -1350,7 +1350,7 @@ public class ChunkMap extends SimpleRegionStorage implements ChunkHolder.PlayerP
                 double distanceSquared = deltaToPlayerX * deltaToPlayerX + deltaToPlayerZ * deltaToPlayerZ; // Paper
                 double rangeSquared = visibleRange * visibleRange;
                 // Paper start - Configurable entity tracking range by Y
-                boolean visibleToPlayer = distanceSquared <= rangeSquared;
+                boolean visibleToPlayer = distanceSquared <= rangeSquared && !entity.isCulled(); // Luminol - Ray tracing entity tracker
                 if (visibleToPlayer && level.paperConfig().entities.trackingRangeY.enabled) {
                     double rangeY = level.paperConfig().entities.trackingRangeY.get(this.entity, -1);
                     if (rangeY != -1) {
diff --git a/net/minecraft/world/entity/Entity.java b/net/minecraft/world/entity/Entity.java
index 552fd994ee30deb6e9f4228b17a2883cf26b164c..f090b8d77bd2731debfc61c263bd77550f52212b 100644
--- a/net/minecraft/world/entity/Entity.java
+++ b/net/minecraft/world/entity/Entity.java
@@ -167,7 +167,7 @@ public abstract class Entity
     ItemOwner,
     SlotProvider,
     DebugValueSource,
-    TypedInstance<EntityType<?>>, ca.spottedleaf.moonrise.patches.chunk_system.entity.ChunkSystemEntity, ca.spottedleaf.moonrise.patches.entity_tracker.EntityTrackerEntity { // Paper - rewrite chunk system // Paper - optimise entity tracker
+    TypedInstance<EntityType<?>>, ca.spottedleaf.moonrise.patches.chunk_system.entity.ChunkSystemEntity, ca.spottedleaf.moonrise.patches.entity_tracker.EntityTrackerEntity, dev.tr7zw.entityculling.versionless.access.Cullable { // Paper - rewrite chunk system // Paper - optimise entity tracker // Luminol - Ray tracing entity tracker
     // CraftBukkit start
     private static final int CURRENT_LEVEL = 2;
     static boolean isLevelAtLeast(ValueInput input, int level) {
@@ -6432,4 +6432,48 @@ public abstract class Entity
     // Paper end - Expose entity id counter
 
     public boolean shouldTickHot() { return this.tickCount > 20 * 10 && this.isAlive(); } // KioCG
+    // Lophine start - Add config to enable raytracing tracker
+
+    private long lasttime = 0;
+    private boolean culled = false;
+    private boolean outOfCamera = false;
+
+    @Override
+    public void setTimeout() {
+        this.lasttime = System.currentTimeMillis() + 1000;
+    }
+
+    @Override
+    public boolean isForcedVisible() {
+        return this.lasttime > System.currentTimeMillis();
+    }
+
+    @Override
+    public void setCulled(boolean value) {
+        this.culled = value;
+        if (!value) {
+            setTimeout();
+        }
+    }
+
+    @Override
+    public boolean isCulled() {
+        if (!fun.bm.lophine.config.modules.experiment.RayTrackingEntityTrackerConfig.enabled)
+            return false;
+        return this.culled;
+    }
+
+    @Override
+    public void setOutOfCamera(boolean value) {
+        this.outOfCamera = value;
+    }
+
+    @Override
+    public boolean isOutOfCamera() {
+        if (!fun.bm.lophine.config.modules.experiment.RayTrackingEntityTrackerConfig.enabled)
+            return false;
+        return this.outOfCamera;
+    }
+
+    // Lophine end - Add config to enable raytracing tracker
 }
diff --git a/net/minecraft/world/entity/EntityType.java b/net/minecraft/world/entity/EntityType.java
index cb0a52dc3795e1cf54069bcbe82abf7877a658b8..0d743a01ae70baa789cd0e0bb9abd4c4f8310b99 100644
--- a/net/minecraft/world/entity/EntityType.java
+++ b/net/minecraft/world/entity/EntityType.java
@@ -1252,6 +1252,11 @@ public class EntityType<T extends Entity> implements EntityTypeTest<Entity, T>,
     public final int passengerTickTimerId;
     public final int passengerInactiveTickTimerId;
     // Folia end - profiler
+    // Lophine start - Add config to enable raytracing tracker
+    // Luminol - Raytracing entity tracker
+    public boolean skipRaytracningCheck = false;
+    // Luminol end
+    // Lophine end - Add config to enable raytracing tracker
 
     public EntityType(
         final EntityType.EntityFactory<T> factory,
diff --git a/net/minecraft/world/entity/player/Player.java b/net/minecraft/world/entity/player/Player.java
index ce8ab4b7eee5e0715e780d189d2f6554c5a9dc3c..06c6d30f3aef605bc25c42db8a6d26bbde57f40b 100644
--- a/net/minecraft/world/entity/player/Player.java
+++ b/net/minecraft/world/entity/player/Player.java
@@ -186,6 +186,25 @@ public abstract class Player extends Avatar implements ContainerUser {
         return (org.bukkit.craftbukkit.entity.CraftHumanEntity) super.getBukkitEntity();
     }
     // CraftBukkit end
+    // Luminol start - Raytracing entity tracker
+    public dev.tr7zw.entityculling.CullTask cullTask;
+    {
+        if (!fun.bm.lophine.config.modules.experiment.RayTrackingEntityTrackerConfig.enabled) {
+            this.cullTask = null;
+        }else {
+            final com.logisticscraft.occlusionculling.OcclusionCullingInstance culling = new com.logisticscraft.occlusionculling.OcclusionCullingInstance(
+                    fun.bm.lophine.config.modules.experiment.RayTrackingEntityTrackerConfig.tracingDistance,
+                    new dev.tr7zw.entityculling.DefaultChunkDataProvider(this.level())
+            );
+
+            this.cullTask = new dev.tr7zw.entityculling.CullTask(
+                    culling, this,
+                    fun.bm.lophine.config.modules.experiment.RayTrackingEntityTrackerConfig.hitboxLimit,
+                    fun.bm.lophine.config.modules.experiment.RayTrackingEntityTrackerConfig.checkIntervalMs
+            );
+        }
+    }
+    // Luminol end
 
     public Player(final Level level, final GameProfile gameProfile) {
         super(EntityType.PLAYER, level);
@@ -241,6 +260,26 @@ public abstract class Player extends Avatar implements ContainerUser {
 
     @Override
     public void tick() {
+        // Luminol start - Ray tracing entity tracker
+        if (!fun.bm.lophine.config.modules.experiment.RayTrackingEntityTrackerConfig.enabled) {
+            if (this.cullTask != null) this.cullTask.signalStop();
+            this.cullTask = null;
+        }else {
+            final com.logisticscraft.occlusionculling.OcclusionCullingInstance culling = new com.logisticscraft.occlusionculling.OcclusionCullingInstance(
+                    fun.bm.lophine.config.modules.experiment.RayTrackingEntityTrackerConfig.tracingDistance,
+                    new dev.tr7zw.entityculling.DefaultChunkDataProvider(this.level())
+            );
+
+            this.cullTask = new dev.tr7zw.entityculling.CullTask(
+                    culling, this,
+                    fun.bm.lophine.config.modules.experiment.RayTrackingEntityTrackerConfig.hitboxLimit,
+                    fun.bm.lophine.config.modules.experiment.RayTrackingEntityTrackerConfig.checkIntervalMs
+            );
+        }
+        if (this.cullTask != null) this.cullTask.setup();
+        if (this.cullTask != null) this.cullTask.requestCullSignal(); // Luminol - Ray tracing entity tracker
+        // Luminol end
+
         this.noPhysics = this.isSpectator();
         if (this.isSpectator() || this.isPassenger()) {
             this.setOnGround(false);
@@ -1355,6 +1394,7 @@ public abstract class Player extends Avatar implements ContainerUser {
         if (this.hasContainerOpen()) {
             this.doCloseContainer();
         }
+        if (this.cullTask != null) this.cullTask.signalStop(); // Luminol - Ray tracing entity tracker
     }
 
     @Override