From b691c43c44ff180d10e7d4a9afc83b98551ff586 Mon Sep 17 00:00:00 2001
From: daoge_cmd <3523206925@qq.com>
Date: Sun, 1 Mar 2026 12:16:08 +0800
Subject: Initial commit

---
 Minecraft.Client/TrackedEntity.h | 65 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 Minecraft.Client/TrackedEntity.h

(limited to 'Minecraft.Client/TrackedEntity.h')

diff --git a/Minecraft.Client/TrackedEntity.h b/Minecraft.Client/TrackedEntity.h
new file mode 100644
index 00000000..9fb564a4
--- /dev/null
+++ b/Minecraft.Client/TrackedEntity.h
@@ -0,0 +1,65 @@
+#pragma once
+class Entity;
+//class ServerPlayer;
+#include "ServerPlayer.h"
+class Packet;
+using namespace std;
+
+class EntityTracker;
+
+#define TRACKED_ENTITY_MINIMUM_VIEW_DISTANCE 4
+
+class TrackedEntity
+{
+private:
+	static const int TOLERANCE_LEVEL = 4;
+
+public:
+	shared_ptr<Entity> e;
+
+    int range, updateInterval;
+    int xp, yp, zp, yRotp, xRotp, yHeadRotp;
+    double xap, yap, zap;
+    int tickCount;
+
+private:
+	double xpu, ypu, zpu;
+    bool updatedPlayerVisibility;
+    bool trackDelta;
+    int teleportDelay;
+	shared_ptr<Entity> wasRiding;
+
+public:
+	bool moved;
+
+    unordered_set<shared_ptr<ServerPlayer> , PlayerKeyHash, PlayerKeyEq > seenBy;
+
+    TrackedEntity(shared_ptr<Entity> e, int range, int updateInterval, bool trackDelta);
+
+    void tick(EntityTracker *tracker, vector<shared_ptr<Player> > *players);
+    void broadcast(shared_ptr<Packet> packet);
+    void broadcastAndSend(shared_ptr<Packet> packet);
+    void broadcastRemoved();
+    void removePlayer(shared_ptr<ServerPlayer> sp);
+
+private:
+	bool canBySeenBy(shared_ptr<ServerPlayer> player);
+
+	enum eVisibility
+	{
+		eVisibility_NotVisible = 0,
+		eVisibility_IsVisible = 1,
+		eVisibility_SeenAndVisible = 2,
+	};
+
+	eVisibility isVisible(EntityTracker *tracker, shared_ptr<ServerPlayer> sp, bool forRider = false); // 4J Added forRider
+	
+public:
+    void updatePlayer(EntityTracker *tracker, shared_ptr<ServerPlayer> sp);
+    void updatePlayers(EntityTracker *tracker, vector<shared_ptr<Player> > *players);
+private:
+	void sendEntityData(shared_ptr<PlayerConnection> conn);
+	shared_ptr<Packet> getAddEntityPacket();
+public:
+    void clear(shared_ptr<ServerPlayer> sp);
+};
-- 
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