namespace KBEngine
{
  	using UnityEngine; 
	using System; 
	using System.Collections; 
	using System.Collections.Generic;
	
	/*
		KBEngine逻辑层的实体基础类
		所有扩展出的游戏实体都应该继承于该模块
	*/
    public class Entity 
    {
		// 当前玩家最后一次同步到服务端的位置与朝向
		// 这两个属性是给引擎KBEngine.cs用的，别的地方不要修改
		public Vector3 _entityLastLocalPos = new Vector3(0f, 0f, 0f);
		public Vector3 _entityLastLocalDir = new Vector3(0f, 0f, 0f);
		
    	public Int32 id = 0;
		public string className = "";
		public Vector3 position = new Vector3(0.0f, 0.0f, 0.0f);
		public Vector3 direction = new Vector3(0.0f, 0.0f, 0.0f);
		public float velocity = 0.0f;
		
		public bool isOnGround = true;
		
		public object renderObj = null;
		
		public EntityCall baseEntityCall = null;
		public EntityCall cellEntityCall = null;
		
		// enterworld之后设置为true
		public bool inWorld = false;

		/// <summary>
		/// 对于玩家自身来说，它表示是否自己被其它玩家控制了；
		/// 对于其它entity来说，表示我本机是否控制了这个entity
		/// </summary>
		public bool isControlled = false;
		
		// __init__调用之后设置为true
		public bool inited = false;
        
		// entityDef属性，服务端同步过来后存储在这里
		private Dictionary<string, Property> defpropertys_ = 
			new Dictionary<string, Property>();

		private Dictionary<UInt16, Property> iddefpropertys_ = 
			new Dictionary<UInt16, Property>();

		public static void clear()
		{
		}

		public Entity()
		{
			foreach(Property e in EntityDef.moduledefs[GetType().Name].propertys.Values)
			{
				Property newp = new Property();
				newp.name = e.name;
				newp.utype = e.utype;
				newp.properUtype = e.properUtype;
				newp.properFlags = e.properFlags;
				newp.aliasID = e.aliasID;
				newp.defaultValStr = e.defaultValStr;
				newp.setmethod = e.setmethod;
				newp.val = newp.utype.parseDefaultValStr(newp.defaultValStr);
				defpropertys_.Add(e.name, newp);
				iddefpropertys_.Add(e.properUtype, newp);
			}
		}
		
		public virtual void onDestroy ()
		{
		}
		
		public bool isPlayer()
		{
			return id == KBEngineApp.app.entity_id;
		}
		
		public void addDefinedProperty(string name, object v)
		{
			Property newp = new Property();
			newp.name = name;
			newp.properUtype = 0;
			newp.val = v;
			newp.setmethod = null;
			defpropertys_.Add(name, newp);
		}

		public object getDefinedProperty(string name)
		{
			Property obj = null;
			if(!defpropertys_.TryGetValue(name, out obj))
			{
				return null;
			}
		
			return defpropertys_[name].val;
		}
		
		public void setDefinedProperty(string name, object val)
		{
			defpropertys_[name].val = val;
		}
		
		public object getDefinedPropertyByUType(UInt16 utype)
		{
			Property obj = null;
			if(!iddefpropertys_.TryGetValue(utype, out obj))
			{
				return null;
			}
			
			return iddefpropertys_[utype].val;
		}
		
		public void setDefinedPropertyByUType(UInt16 utype, object val)
		{
			iddefpropertys_[utype].val = val;
		}
		
		/*
			KBEngine的实体构造函数，与服务器脚本对应。
			存在于这样的构造函数是因为KBE需要创建好实体并将属性等数据填充好才能告诉脚本层初始化
		*/
		public virtual void __init__()
		{
		}
		
		public virtual void callPropertysSetMethods()
		{
			foreach(Property prop in iddefpropertys_.Values)
			{
				object oldval = getDefinedPropertyByUType(prop.properUtype);
				System.Reflection.MethodInfo setmethod = prop.setmethod;
				
				if(setmethod != null)
				{
					if(prop.isBase())
					{
						if(inited && !inWorld)
						{
							//Dbg.DEBUG_MSG(className + "::callPropertysSetMethods(" + prop.name + ")"); 
							setmethod.Invoke(this, new object[]{oldval});
						}
					}
					else
					{
						if(inWorld)
						{
							if(prop.isOwnerOnly() && !isPlayer())
								continue;

							setmethod.Invoke(this, new object[]{oldval});
						}
					}
				}
				else
				{
					//Dbg.DEBUG_MSG(className + "::callPropertysSetMethods(" + prop.name + ") not found set_*"); 
				}
			}
		}
		
		public void baseCall(string methodname, params object[] arguments)
		{			
			if(KBEngineApp.app.currserver == "loginapp")
			{
				Dbg.ERROR_MSG(className + "::baseCall(" + methodname + "), currserver=!" + KBEngineApp.app.currserver);  
				return;
			}

			ScriptModule module = null;
			if(!EntityDef.moduledefs.TryGetValue(className, out module))
			{
				Dbg.ERROR_MSG("entity::baseCall:  entity-module(" + className + ") error, can not find from EntityDef.moduledefs");
				return;
			}
				
			Method method = null;
			if(!module.base_methods.TryGetValue(methodname, out method))
			{
				Dbg.ERROR_MSG(className + "::baseCall(" + methodname + "), not found method!");  
				return;
			}
			
			UInt16 methodID = method.methodUtype;
			
			if(arguments.Length != method.args.Count)
			{
				Dbg.ERROR_MSG(className + "::baseCall(" + methodname + "): args(" + (arguments.Length) + "!= " + method.args.Count + ") size is error!");  
				return;
			}
			
			baseEntityCall.newCall();
			baseEntityCall.bundle.writeUint16(methodID);
			
			try
			{
				for(var i=0; i<method.args.Count; i++)
				{
					if(method.args[i].isSameType(arguments[i]))
					{
						method.args[i].addToStream(baseEntityCall.bundle, arguments[i]);
					}
					else
					{
						throw new Exception("arg" + i + ": " + method.args[i].ToString());
					}
				}
			}
			catch(Exception e)
			{
				Dbg.ERROR_MSG(className + "::baseCall(method=" + methodname + "): args is error(" + e.Message + ")!");  
				baseEntityCall.bundle = null;
				return;
			}
			
			baseEntityCall.sendCall(null);
		}
		
		public void cellCall(string methodname, params object[] arguments)
		{
			if(KBEngineApp.app.currserver == "loginapp")
			{
				Dbg.ERROR_MSG(className + "::cellCall(" + methodname + "), currserver=!" + KBEngineApp.app.currserver);  
				return;
			}
			
			ScriptModule module = null;
			if(!EntityDef.moduledefs.TryGetValue(className, out module))
			{
				Dbg.ERROR_MSG("entity::cellCall:  entity-module(" + className + ") error, can not find from EntityDef.moduledefs!");
				return;
			}
			
			Method method = null;
			if(!module.cell_methods.TryGetValue(methodname, out method))
			{
				Dbg.ERROR_MSG(className + "::cellCall(" + methodname + "), not found method!");  
				return;
			}
			
			UInt16 methodID = method.methodUtype;
			
			if(arguments.Length != method.args.Count)
			{
				Dbg.ERROR_MSG(className + "::cellCall(" + methodname + "): args(" + (arguments.Length) + "!= " + method.args.Count + ") size is error!");  
				return;
			}
			
			if(cellEntityCall == null)
			{
				Dbg.ERROR_MSG(className + "::cellCall(" + methodname + "): no cell!");  
				return;
			}
			
			cellEntityCall.newCall();
			cellEntityCall.bundle.writeUint16(methodID);
				
			try
			{
				for(var i=0; i<method.args.Count; i++)
				{
					if(method.args[i].isSameType(arguments[i]))
					{
						method.args[i].addToStream(cellEntityCall.bundle, arguments[i]);
					}
					else
					{
						throw new Exception("arg" + i + ": " + method.args[i].ToString());
					}
				}
			}
			catch(Exception e)
			{
				Dbg.ERROR_MSG(className + "::cellCall(" + methodname + "): args is error(" + e.Message + ")!");  
				cellEntityCall.bundle = null;
				return;
			}

			cellEntityCall.sendCall(null);
		}
	
		public void enterWorld()
		{
			// Dbg.DEBUG_MSG(className + "::enterWorld(" + getDefinedProperty("uid") + "): " + id); 
			inWorld = true;
			
			try{
				onEnterWorld();
			}
			catch (Exception e)
			{
				Dbg.ERROR_MSG(className + "::onEnterWorld: error=" + e.ToString());
			}

			Event.fireOut("onEnterWorld", new object[]{this});
		}
		
		public virtual void onEnterWorld()
		{
		}

		public void leaveWorld()
		{
			// Dbg.DEBUG_MSG(className + "::leaveWorld: " + id); 
			inWorld = false;
			
			try{
				onLeaveWorld();
			}
			catch (Exception e)
			{
				Dbg.ERROR_MSG(className + "::onLeaveWorld: error=" + e.ToString());
			}

			Event.fireOut("onLeaveWorld", new object[]{this});
		}
		
		public virtual void onLeaveWorld()
		{
		}

		public virtual void enterSpace()
		{
			// Dbg.DEBUG_MSG(className + "::enterSpace(" + getDefinedProperty("uid") + "): " + id); 
			inWorld = true;
			
			try{
				onEnterSpace();
			}
			catch (Exception e)
			{
				Dbg.ERROR_MSG(className + "::onEnterSpace: error=" + e.ToString());
			}
			
			Event.fireOut("onEnterSpace", new object[]{this});
			
			// 要立即刷新表现层对象的位置
			Event.fireOut("set_position", new object[]{this});
			Event.fireOut("set_direction", new object[]{this});
		}
		
		public virtual void onEnterSpace()
		{
		}
		
		public virtual void leaveSpace()
		{
			// Dbg.DEBUG_MSG(className + "::leaveSpace: " + id); 
			inWorld = false;
			
			try{
				onLeaveSpace();
			}
			catch (Exception e)
			{
				Dbg.ERROR_MSG(className + "::onLeaveSpace: error=" + e.ToString());
			}
			
			Event.fireOut("onLeaveSpace", new object[]{this});
		}

		public virtual void onLeaveSpace()
		{
		}
		
		public virtual void set_position(object old)
		{
			Vector3 v = (Vector3)getDefinedProperty("position");
			position = v;
			//Dbg.DEBUG_MSG(className + "::set_position: " + old + " => " + v); 
			
			if(isPlayer())
				KBEngineApp.app.entityServerPos(position);
			
			if(inWorld)
				Event.fireOut("set_position", new object[]{this});
		}

		public virtual void onUpdateVolatileData()
		{
		}
		
		public virtual void set_direction(object old)
		{
			Vector3 v = (Vector3)getDefinedProperty("direction");
			
			direction.x = v.x * 360 / ((float)System.Math.PI * 2);
			direction.y = v.y * 360 / ((float)System.Math.PI * 2);
			direction.z = v.z * 360 / ((float)System.Math.PI * 2);
			
			//Dbg.DEBUG_MSG(className + "::set_direction: " + old + " => " + v); 
			
			if(inWorld)
				Event.fireOut("set_direction", new object[]{this});
		}

		/// <summary>
		/// This callback method is called when the local entity control by the client has been enabled or disabled. 
		/// See the Entity.controlledBy() method in the CellApp server code for more infomation.
		/// </summary>
		/// <param name="isControlled">
		/// 对于玩家自身来说，它表示是否自己被其它玩家控制了；
		/// 对于其它entity来说，表示我本机是否控制了这个entity
		/// </param>
		public virtual void onControlled(bool isControlled_)
		{
		
		}
    }
    
}