Revert "* Improve the entity ID system, and add priority system. We should no longer have clashes."

This reverts commit 1b97875dd6.

source/world/entity/Entity.hpp

@@ -8,7 +8,6 @@
 
 #pragma once
 
-#include <unordered_set>
 #include "client/common/AABB.hpp"
 #include "client/common/Vec3.hpp"
 #include "world/level/Material.hpp"
@@ -40,22 +39,19 @@ struct EntityPos
 	EntityPos()
 	{
 		m_yaw = 0, m_pitch = 0;
-		m_bHasRot = false, m_bHasPos = false;
+		m_bHasRot, m_bHasPos;
 	};
 
 	EntityPos(const Vec3& pos)
 	{
 		m_pos = pos;
-		m_yaw = m_pitch = 0;
 		m_bHasPos = true;
-		m_bHasRot = false;
 	}
 
 	EntityPos(float yaw, float pitch)
 	{
 		m_yaw = yaw;
 		m_pitch = pitch;
-		m_bHasPos = false;
 		m_bHasRot = true;
 	}
 
@@ -69,8 +65,6 @@ struct EntityPos
 	}
 };
 
-typedef std::unordered_set<int> EntityIDSet;
-
 class Entity
 {
 private:
@@ -140,7 +134,6 @@ public:
 	virtual void markHurt();
 	virtual void burn(int);
 	virtual void lavaHurt();
-	virtual bool isUnimportant();
 
 	int hashCode();
 
@@ -154,12 +147,8 @@ public:
 			(m_pos.z - z) * (m_pos.z - z);
 	}
 
-private:
-	int allocateEntityId();
-	void releaseEntityId(int);
-	static EntityIDSet s_EntityIDs;
-	//static int entityCounter;
 public:
+	static int entityCounter;
 	static Random sharedRandom;
 
 	Vec3 m_pos;