////////////////////////////////////////////////////////////////////////////
//
//  Crytek Engine Source File.
//  Copyright (C), Crytek Studios, 2001-2004.
// -------------------------------------------------------------------------
//  File name:   ScriptHelpers.h
//  Version:     v1.00
//  Created:     30/7/2004 by Timur.
//  Compilers:   Visual Studio.NET 2003
//  Description: 
// -------------------------------------------------------------------------
//  History:
//
////////////////////////////////////////////////////////////////////////////

#ifndef __ScriptHelpers_h__
#define __ScriptHelpers_h__
#pragma once

//////////////////////////////////////////////////////////////////////////
// Helper template class.
// Handles dispatching of Lua to C script function callbacks to the specified
// member functions of the CScriptableBase.
// See Also: CScriptableBase::RegisterTemplateFunction
//////////////////////////////////////////////////////////////////////////
struct ScriptTemplateCallHelper
{
	template <typename Callee>
	static int Call(Callee* callee, int (Callee::*func)(IFunctionHandler*), IFunctionHandler *pH )
	{
		return (callee->*func)(pH);
	}
	template <typename Callee, typename P1>
	static int Call(Callee* callee, int (Callee::*func)(IFunctionHandler*,P1), IFunctionHandler *pH )
	{
		P1 p1;
		if (!pH->GetParams(p1))
			return pH->EndFunction();
		return  (callee->*func)( pH,p1 );
	}
	template <typename Callee, typename P1, typename P2>
	static int Call(Callee* callee, int (Callee::*func)(IFunctionHandler*,P1, P2), IFunctionHandler *pH )
	{
		P1 p1; P2 p2;
		if (!pH->GetParams(p1,p2))
			return pH->EndFunction();
		return (callee->*func)( pH,p1,p2 );
	}
	template <typename Callee, typename P1, typename P2, typename P3>
	static int Call(Callee* callee, int (Callee::*func)(IFunctionHandler*,P1, P2, P3), IFunctionHandler *pH )
	{
		P1 p1; P2 p2; P3 p3;
		if (!pH->GetParams(p1,p2,p3))
			return pH->EndFunction();
		return (callee->*func)( pH,p1,p2,p3 );
	}
	template <typename Callee, typename P1, typename P2, typename P3,typename P4>
	static int Call(Callee* callee, int (Callee::*func)(IFunctionHandler*,P1, P2, P3, P4), IFunctionHandler *pH )
	{
		P1 p1; P2 p2; P3 p3; P4 p4;
		if (!pH->GetParams(p1,p2,p3,p4))
			return pH->EndFunction();
		return (callee->*func)( pH,p1,p2,p3,p4 );
	}
	template <typename Callee, typename P1, typename P2, typename P3,typename P4, typename P5>
	static int Call(Callee* callee, int (Callee::*func)(IFunctionHandler*,P1, P2, P3, P4, P5), IFunctionHandler *pH )
	{
		P1 p1; P2 p2; P3 p3; P4 p4; P5 p5;
		if (!pH->GetParams(p1,p2,p3,p4,p5))
			return pH->EndFunction();
		return (callee->*func)( pH,p1,p2,p3,p4,p5 );
	}
	template <typename Callee, typename P1, typename P2, typename P3,typename P4, typename P5, typename P6>
	static int Call(Callee* callee, int (Callee::*func)(IFunctionHandler*,P1, P2, P3, P4, P5, P6), IFunctionHandler *pH )
	{
		P1 p1; P2 p2; P3 p3; P4 p4; P5 p5; P6 p6;
		if (!pH->GetParams(p1,p2,p3,p4,p5,p6))
			return pH->EndFunction();
		return (callee->*func)( pH,p1,p2,p3,p4,p5,p6 );
	}
	template <typename Callee, typename P1, typename P2, typename P3,typename P4, typename P5, typename P6, typename P7>
	static int Call(Callee* callee, int (Callee::*func)(IFunctionHandler*,P1, P2, P3, P4, P5, P6, P7), IFunctionHandler *pH )
	{
		P1 p1; P2 p2; P3 p3; P4 p4; P5 p5; P6 p6; P7 p7;
		if (!pH->GetParams(p1,p2,p3,p4,p5,p6,p7))
			return pH->EndFunction();
		return (callee->*func)( pH,p1,p2,p3,p4,p5,p6,p7 );
	}
	template <typename Callee, typename P1, typename P2, typename P3,typename P4, typename P5, typename P6, typename P7, typename P8>
	static int Call(Callee* callee, int (Callee::*func)(IFunctionHandler*,P1, P2, P3, P4, P5, P6, P7, P8), IFunctionHandler *pH )
	{
		P1 p1; P2 p2; P3 p3; P4 p4; P5 p5; P6 p6; P7 p7; P8 p8;
		if (!pH->GetParams(p1,p2,p3,p4,p5,p6,p7,p8))
			return pH->EndFunction();
		return (callee->*func)( pH,p1,p2,p3,p4,p5,p6,p7,p8 );
	}
	template <typename Callee, typename P1, typename P2, typename P3,typename P4, typename P5, typename P6, typename P7, typename P8, typename P9>
	static int Call(Callee* callee, int (Callee::*func)(IFunctionHandler*,P1, P2, P3, P4, P5, P6, P7, P8, P9), IFunctionHandler *pH )
	{
		P1 p1; P2 p2; P3 p3; P4 p4; P5 p5; P6 p6; P7 p7; P8 p8; P9 p9;
		if (!pH->GetParams(p1,p2,p3,p4,p5,p6,p7,p8,p9))
			return pH->EndFunction();
		return (callee->*func)( pH,p1,p2,p3,p4,p5,p6,p7,p8,p9 );
	}
	template <typename Callee, typename P1, typename P2, typename P3,typename P4, typename P5, typename P6, typename P7, typename P8, typename P9, typename P10>
	static int Call(Callee* callee, int (Callee::*func)(IFunctionHandler*,P1, P2, P3, P4, P5, P6, P7, P8, P9, P10), IFunctionHandler *pH )
	{
		P1 p1; P2 p2; P3 p3; P4 p4; P5 p5; P6 p6; P7 p7; P8 p8; P9 p9; P10 p10;
		if (!pH->GetParams(p1,p2,p3,p4,p5,p6,p7,p8,p9,p10))
			return pH->EndFunction();
		return (callee->*func)( pH,p1,p2,p3,p4,p5,p6,p7,p8,p9,p10 );
	}

	template <typename Callee, typename Func>
	struct CallDispatcher
	{
		static int Dispatch( IFunctionHandler *pH,void *pBuffer,int nSize )
		{
			unsigned char* buffer = (unsigned char*)pBuffer;
			return ScriptTemplateCallHelper::Call(*(Callee**)buffer,*(Func*)(buffer+sizeof(Callee*)),pH );
		}
	};
};

//////////////////////////////////////////////////////////////////////////
// Classes that want to register functions to the script must derive from this interface.
//////////////////////////////////////////////////////////////////////////
class CScriptableBase
{
public:
	virtual ~CScriptableBase() { Done(); };
	virtual void Init( IScriptSystem *pSS,ISystem *pSystem,int nParamIdOffset=0 )
	{
		m_pSS = pSS;
		m_pMethodsTable = m_pSS->CreateTable();
		m_pMethodsTable->AddRef();
		m_nParamIdOffset = nParamIdOffset;
	}
	virtual void Done()
	{
		SAFE_RELEASE(m_pMethodsTable);
	}
	virtual void GetMemoryStatistics(ICrySizer *pSizer) {};

	void SetGlobalName( const char *sGlobalName )
	{
		assert( strlen(sGlobalName) < sizeof(m_sGlobalName) );
		strcpy_s( m_sGlobalName,sGlobalName );
		if (m_pMethodsTable)
			m_pSS->SetGlobalValue( sGlobalName,m_pMethodsTable );
	}

	IScriptTable *GetMethodsTable() { return m_pMethodsTable; };

protected:
	CScriptableBase() { m_pSS = NULL; m_pMethodsTable = NULL; m_sGlobalName[0] = 0; }
	
	void RegisterGlobal( const char *sName,int nValue )
	{
		m_pSS->SetGlobalValue(sName,nValue);
	}

	void RegisterFunction( const char *sFuncName,IScriptTable::FunctionFunctor function )
	{
		if (m_pMethodsTable)
		{
			IScriptTable::SUserFunctionDesc fd;
			fd.sGlobalName = m_sGlobalName;
			fd.sFunctionName = sFuncName;
			fd.pFunctor = function;
			fd.nParamIdOffset = m_nParamIdOffset;
			m_pMethodsTable->AddFunction( fd );
		}
	}
	template <typename Callee, typename Func>
	void RegisterTemplateFunction( const char *sFuncName,const char *sFuncParams,Callee& callee,const Func &func )
	{
		typedef Callee* Callee_pointer;
		if (m_pMethodsTable)
		{
			Callee_pointer pCalleePtr = &callee;
			unsigned char pBuffer[sizeof(Callee_pointer)+sizeof(func)];
			memcpy( pBuffer,&pCalleePtr,sizeof(Callee_pointer) );
			memcpy( pBuffer+sizeof(Callee_pointer),&func,sizeof(func) );

			IScriptTable::SUserFunctionDesc fd;
			fd.sGlobalName = m_sGlobalName;
			fd.sFunctionName = sFuncName;
			fd.sFunctionParams = sFuncParams;
			fd.pUserDataFunc = ScriptTemplateCallHelper::CallDispatcher<Callee,Func>::Dispatch;
			fd.nDataSize = sizeof(Callee_pointer) + sizeof(func);
			fd.pDataBuffer = pBuffer;
			fd.nParamIdOffset = m_nParamIdOffset;

			m_pMethodsTable->AddFunction( fd );
		}
	}

protected:
	//////////////////////////////////////////////////////////////////////////
	char m_sGlobalName[64];
	IScriptTable *m_pMethodsTable;
	IScriptSystem *m_pSS;
	int m_nParamIdOffset;
	//////////////////////////////////////////////////////////////////////////
};

// This define SCRIPT_REG_CLASSNAME needed for Xenon compiler.
#define SCRIPT_REG_CLASSNAME 

#define SCRIPT_REG_FUNC(func) RegisterFunction( #func,functor_ret(*this,SCRIPT_REG_CLASSNAME func) );
#define SCRIPT_REG_GLOBAL(var) RegisterGlobal( #var,var );

// Because Xenon compiler cannot do it correctly.
#define SCRIPT_REG_TEMPLFUNC(func,sFuncParams) RegisterTemplateFunction( #func,sFuncParams,*this,SCRIPT_REG_CLASSNAME func );

#define SCRIPT_CHECK_PARAMETERS(_n) \
	if (pH->GetParamCount() != _n) \
{ CryWarning(VALIDATOR_MODULE_SCRIPTSYSTEM,VALIDATOR_WARNING,"[%s] %d arguments passed, " #_n " expected)", __FUNCTION__,pH->GetParamCount()); \
	return pH->EndFunction(); }

#define SCRIPT_CHECK_PARAMETERS_MIN(_n) \
	if (pH->GetParamCount() < _n) \
{ CryWarning(VALIDATOR_MODULE_SCRIPTSYSTEM,VALIDATOR_WARNING,"[%s] %d arguments passed, at least " #_n " expected)", __FUNCTION__,pH->GetParamCount()); \
	return pH->EndFunction(); }

#define SCRIPT_CHECK_PARAMETERS2(_n, _n2) \
	if ((pH->GetParamCount() != _n) && (pH->GetParamCount() != _n2)) \
{ CryWarning(VALIDATOR_MODULE_SCRIPTSYSTEM,VALIDATOR_WARNING,"[%s] %d arguments passed, " #_n " or " #_n2 " expected)", __FUNCTION__,pH->GetParamCount()); \
	return pH->EndFunction(); }

#define SCRIPT_CHECK_PARAMETERS3(_n, _n2, _n3) \
	if ((pH->GetParamCount() != _n) && (pH->GetParamCount() != _n2) && (pH->GetParamCount() != _n3)) \
{ CryWarning(VALIDATOR_MODULE_SCRIPTSYSTEM,VALIDATOR_WARNING,"[%s] %d arguments passed, " #_n ", " #_n2 " or " #_n3 " expected)", __FUNCTION__,pH->GetParamCount()); \
	return pH->EndFunction(); }

//////////////////////////////////////////////////////////////////////////
// Auto Wrapper on IScriptTable interface, will destroy table when exiting scope.
//////////////////////////////////////////////////////////////////////////
class SmartScriptTable
{
public:
	SmartScriptTable() : p(NULL) {};
	SmartScriptTable( const SmartScriptTable& st )
	{
		p = st.p;
		if (p) p->AddRef();
	}
	SmartScriptTable( IScriptTable *newp )
	{
		if (newp) newp->AddRef();
		p = newp;
	}
	
	// Copy operator.
	SmartScriptTable& operator =( IScriptTable *newp )
	{
		if (newp) newp->AddRef();
		if (p) p->Release();
		p = newp;
		return *this;
	}
	// Copy operator.
	SmartScriptTable& operator =( const SmartScriptTable &st )
	{
		if (st.p) st.p->AddRef();
		if (p) p->Release();
		p = st.p;
		return *this;
	}

	explicit SmartScriptTable( IScriptSystem *pSS,bool bCreateEmpty=false )
	{
		p = pSS->CreateTable(bCreateEmpty);
		p->AddRef();
	}
	~SmartScriptTable() { if (p) p->Release(); }

	//////////////////////////////////////////////////////////////////////////
	// Casts
	//////////////////////////////////////////////////////////////////////////
	IScriptTable *operator->() const { return p; }
	IScriptTable *operator*() const { return p; }
	operator const IScriptTable*() const { return p; }
	operator IScriptTable*() const { return p; }
	
	//////////////////////////////////////////////////////////////////////////
	// Boolean comparasions.
	//////////////////////////////////////////////////////////////////////////
	bool operator ! () const { return p == NULL; };
	bool operator ==(const IScriptTable* p2) const { return p == p2; };
	bool operator ==(IScriptTable* p2) const  { return p == p2; };
	bool operator !=(const IScriptTable* p2) const { return p != p2; };
	bool operator !=(IScriptTable* p2) const { return p != p2; };
	bool operator < (const IScriptTable* p2) const { return p < p2; };
	bool operator > (const IScriptTable* p2) const { return p > p2; };

	//////////////////////////////////////////////////////////////////////////
	IScriptTable* GetPtr() const { return p; }
	//////////////////////////////////////////////////////////////////////////

	bool Create( IScriptSystem *pSS,bool bCreateEmpty=false )
	{
		if (p) p->Release();
		p = pSS->CreateTable(bCreateEmpty);
		p->AddRef();
		return (p)?true:false;
	}

private:
	IScriptTable *p;
};

//////////////////////////////////////////////////////////////////////////
// Smart wrapper on top of script function handle.
//////////////////////////////////////////////////////////////////////////
class SmartScriptFunction
{
public:
	SmartScriptFunction() { m_pSS=0;m_hFunc=0;};
	SmartScriptFunction(IScriptSystem *pSS) { m_pSS=pSS;m_hFunc=0;}
	SmartScriptFunction(IScriptSystem *pSS,HSCRIPTFUNCTION hFunc) { m_pSS=pSS;m_hFunc=0;}
	~SmartScriptFunction() { if(m_hFunc)m_pSS->ReleaseFunc(m_hFunc);m_hFunc=0; }
	void Init(IScriptSystem *pSS,HSCRIPTFUNCTION hFunc)
	{
		m_pSS = pSS;
		if(m_hFunc)
			m_pSS->ReleaseFunc(m_hFunc);
		m_hFunc=hFunc;
	}
	operator HSCRIPTFUNCTION() const
	{
		return m_hFunc;
	}
	SmartScriptFunction& operator =(HSCRIPTFUNCTION f)
	{
		if (m_hFunc)
			m_pSS->ReleaseFunc(m_hFunc);
		m_hFunc=f;
		return *this;
	}
private:
	HSCRIPTFUNCTION m_hFunc;
	IScriptSystem *m_pSS;
};

/*! this calss map an 3d vector to a LUA table with x,y,z members
*/
class CScriptVector : public SmartScriptTable
{
public:
	CScriptVector() {}
	CScriptVector( IScriptSystem *pSS,bool bCreateEmpty=false) : SmartScriptTable(pSS,bCreateEmpty) {}
	void Set( const Vec3 &v )
	{
		CScriptSetGetChain chain(*this);
		chain.SetValue("x",v.x);
		chain.SetValue("y",v.y);
		chain.SetValue("z",v.z);
	}
	Vec3 Get()
	{
		Vec3 v(0,0,0);
		CScriptSetGetChain chain(*this);
		chain.GetValue("x",v.x);
		chain.GetValue("y",v.y);
		chain.GetValue("z",v.z);
		return v;
	}
	CScriptVector& operator=( const Vec3 &v3 ) { Set(v3); return *this; }
};

/*! this calss map an "color" to a LUA table with indexed 3 numbers [1],[2],[3] members.
*/
class CScriptColor : public SmartScriptTable
{
public:
	CScriptColor() {}
	CScriptColor( IScriptSystem *pSS,bool bCreateEmpty=false) : SmartScriptTable(pSS,bCreateEmpty) {}
	void Set( const Vec3 &v )
	{
		IScriptTable *pTable = *this;
		pTable->SetAt(1,v.x);
		pTable->SetAt(2,v.y);
		pTable->SetAt(3,v.z);
	}
	Vec3 Get()
	{
		IScriptTable *pTable = *this;
		Vec3 v(0,0,0);
		pTable->GetAt(1,v.x);
		pTable->GetAt(2,v.y);
		pTable->GetAt(3,v.z);
		return v;
	}
	CScriptColor& operator=(const Vec3 &v3) { Set(v3); return *this; }
};

//////////////////////////////////////////////////////////////////////////
// Script call helper.
struct Script
{
	static SmartScriptTable GetCachedTable( IFunctionHandler * pH, int funcParam )
	{
		SmartScriptTable out;
		if (pH->GetParamCount() >= funcParam && pH->GetParamType(funcParam)==svtObject)
			pH->GetParam(funcParam, out);
		if (!out.GetPtr())
			out = SmartScriptTable(pH->GetIScriptSystem());
		return out;
	}

	static SmartScriptTable SetCachedVector( const Vec3& value, IFunctionHandler * pH, int funcParam )
	{
		SmartScriptTable out = GetCachedTable( pH, funcParam );
		{
			CScriptSetGetChain chain(out);
			chain.SetValue( "x", value.x );
			chain.SetValue( "y", value.y );
			chain.SetValue( "z", value.z );
		}
		return out;
	}

	//////////////////////////////////////////////////////////////////////////
	static bool Call( IScriptSystem *pSS,HSCRIPTFUNCTION func )
	{
		if (!pSS->BeginCall(func)) return false;
		return pSS->EndCall();
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1>
	static bool Call( IScriptSystem *pSS,HSCRIPTFUNCTION func,const P1 &p1 )
	{
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,p1);
		return pSS->EndCall();
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2>
	static bool Call( IScriptSystem *pSS,HSCRIPTFUNCTION func,const P1 &p1,const P2 &p2 )
	{
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,p1,p2);
		return pSS->EndCall();
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2,class P3>
	static bool Call( IScriptSystem *pSS,HSCRIPTFUNCTION func,const P1 &p1,const P2 &p2,const P3 &p3 )
	{
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,p1,p2,p3);
		return pSS->EndCall();
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2,class P3,class P4>
	static bool Call( IScriptSystem *pSS,HSCRIPTFUNCTION func,const P1 &p1,const P2 &p2,const P3 &p3,const P4 &p4 )
	{
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,p1,p2,p3,p4);
		return pSS->EndCall();
	}

	template <class P1,class P2,class P3,class P4, class P5>
		static bool Call( IScriptSystem *pSS,HSCRIPTFUNCTION func,const P1 &p1,const P2 &p2,const P3 &p3,const P4 &p4, const P5 &p5)
	{
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,p1,p2,p3,p4,p5);
		return pSS->EndCall();
	}

	template <class P1,class P2,class P3,class P4, class P5, class P6>
		static bool Call( IScriptSystem *pSS,HSCRIPTFUNCTION func,const P1 &p1,const P2 &p2,const P3 &p3,const P4 &p4, const P5 &p5, const P6 &p6)
	{
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,p1,p2,p3,p4,p5,p6);
		return pSS->EndCall();
	}

	//////////////////////////////////////////////////////////////////////////
	// Call to table.
	//////////////////////////////////////////////////////////////////////////
	// Arguments:
	//   pTable - must not be 0
	static bool CallMethod( IScriptTable *pTable,const char* sMethod )
	{
		assert(pTable);
		IScriptSystem *pSS = pTable->GetScriptSystem();
		if (!pSS->BeginCall(pTable,sMethod)) return false;
		PushParams(pSS,pTable);
		return pSS->EndCall();
	}
	//////////////////////////////////////////////////////////////////////////
	// Arguments:
	//   pTable - must not be 0
	template <class P1>
	static bool CallMethod( IScriptTable *pTable,const char* sMethod,const P1 &p1 )
	{
		assert(pTable);
		IScriptSystem *pSS = pTable->GetScriptSystem();
		if (!pSS->BeginCall(pTable,sMethod)) return false;
		PushParams(pSS,pTable,p1);
		return pSS->EndCall();
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2>
	static bool CallMethod( IScriptTable *pTable,const char* sMethod,const P1 &p1,const P2 &p2 )
	{
		IScriptSystem *pSS = pTable->GetScriptSystem();
		if (!pSS->BeginCall(pTable,sMethod)) return false;
		PushParams(pSS,pTable,p1,p2);
		return pSS->EndCall();
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2,class P3>
	static bool CallMethod( IScriptTable *pTable,const char* sMethod,const P1 &p1,const P2 &p2,const P3 &p3 )
	{
		IScriptSystem *pSS = pTable->GetScriptSystem();
		if (!pSS->BeginCall(pTable,sMethod)) return false;
		PushParams(pSS,pTable,p1,p2,p3);
		return pSS->EndCall();
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2,class P3,class P4>
	static bool CallMethod( IScriptTable *pTable,const char* sMethod,const P1 &p1,const P2 &p2,const P3 &p3,const P4 &p4 )
	{
		IScriptSystem *pSS = pTable->GetScriptSystem();
		if (!pSS->BeginCall(pTable,sMethod)) return false;
		PushParams(pSS,pTable,p1,p2,p3,p4);
		return pSS->EndCall();
	}


	//////////////////////////////////////////////////////////////////////////
	// Call to table.
	//////////////////////////////////////////////////////////////////////////
	static bool CallMethod( IScriptTable *pTable,HSCRIPTFUNCTION func)
	{
		IScriptSystem *pSS = pTable->GetScriptSystem();
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,pTable);
		return pSS->EndCall();
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1>
		static bool CallMethod( IScriptTable *pTable,HSCRIPTFUNCTION func,const P1 &p1 )
	{
		IScriptSystem *pSS = pTable->GetScriptSystem();
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,pTable,p1);
		return pSS->EndCall();
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2>
		static bool CallMethod( IScriptTable *pTable,HSCRIPTFUNCTION func,const P1 &p1,const P2 &p2 )
	{
		IScriptSystem *pSS = pTable->GetScriptSystem();
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,pTable,p1,p2);
		return pSS->EndCall();
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2,class P3>
		static bool CallMethod( IScriptTable *pTable,HSCRIPTFUNCTION func,const P1 &p1,const P2 &p2,const P3 &p3 )
	{
		IScriptSystem *pSS = pTable->GetScriptSystem();
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,pTable,p1,p2,p3);
		return pSS->EndCall();
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2,class P3,class P4>
		static bool CallMethod( IScriptTable *pTable,HSCRIPTFUNCTION func,const P1 &p1,const P2 &p2,const P3 &p3,const P4 &p4 )
	{
		IScriptSystem *pSS = pTable->GetScriptSystem();
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,pTable,p1,p2,p3,p4);
		return pSS->EndCall();
	}

	//////////////////////////////////////////////////////////////////////////
	template <class Ret>
	static bool CallReturn( IScriptSystem *pSS,HSCRIPTFUNCTION func,Ret &ret )
	{
		if (!pSS->BeginCall(func)) return false;
		return pSS->EndCall(ret);
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class Ret>
	static bool CallReturn( IScriptSystem *pSS,HSCRIPTFUNCTION func,const P1 &p1,Ret &ret )
	{
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,p1);
		return pSS->EndCall(ret);
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2,class Ret>
	static bool CallReturn( IScriptSystem *pSS,HSCRIPTFUNCTION func,const P1 &p1,const P2 &p2,Ret &ret )
	{
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,p1,p2);
		return pSS->EndCall(ret);
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2,class P3,class Ret>
	static bool CallReturn( IScriptSystem *pSS,HSCRIPTFUNCTION func,const P1 &p1,const P2 &p2,const P3 &p3,Ret &ret )
	{
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,p1,p2,p3);
		return pSS->EndCall(ret);
	}
	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2,class P3,class P4,class Ret>
	static bool CallReturn( IScriptSystem *pSS,HSCRIPTFUNCTION func,const P1 &p1,const P2 &p2,const P3 &p3,const P4 &p4,Ret &ret )
	{
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,p1,p2,p3,p4);
		return pSS->EndCall(ret);
	}	//////////////////////////////////////////////////////////////////////////
	template <class P1,class P2,class P3,class P4,class P5,class Ret>
	static bool CallReturn( IScriptSystem *pSS,HSCRIPTFUNCTION func,const P1 &p1,const P2 &p2,const P3 &p3,const P4 &p4,const P5 &p5,Ret &ret )
	{
		if (!pSS->BeginCall(func)) return false;
		PushParams(pSS,p1,p2,p3,p4,p5);
		return pSS->EndCall(ret);
	}


	//////////////////////////////////////////////////////////////////////////
private:
	template <class P1>
	static void PushParams( IScriptSystem *pSS,const P1 &p1 )
	{
		pSS->PushFuncParam(p1);
	}
	template <class P1,class P2>
		static void PushParams( IScriptSystem *pSS,const P1 &p1,const P2 &p2 )
	{
		pSS->PushFuncParam(p1);	pSS->PushFuncParam(p2);
	}
	template <class P1,class P2,class P3>
		static void PushParams( IScriptSystem *pSS,const P1 &p1,const P2 &p2,const P3 &p3 )
	{
		pSS->PushFuncParam(p1);	pSS->PushFuncParam(p2); pSS->PushFuncParam(p3);
	}
	template <class P1,class P2,class P3,class P4>
	static void PushParams( IScriptSystem *pSS,const P1 &p1,const P2 &p2,const P3 &p3,const P4 &p4 )
	{
		pSS->PushFuncParam(p1);	pSS->PushFuncParam(p2); pSS->PushFuncParam(p3);	pSS->PushFuncParam(p4);
	}
	template <class P1,class P2,class P3,class P4,class P5>
	static void PushParams( IScriptSystem *pSS,const P1 &p1,const P2 &p2,const P3 &p3,const P4 &p4,const P5 &p5 )
	{
		pSS->PushFuncParam(p1);	pSS->PushFuncParam(p2); pSS->PushFuncParam(p3);	pSS->PushFuncParam(p4); pSS->PushFuncParam(p5);
	}
	template <class P1,class P2,class P3,class P4,class P5,class P6>
	static void PushParams( IScriptSystem *pSS,const P1 &p1,const P2 &p2,const P3 &p3,const P4 &p4,const P5 &p5,const P6 &p6 )
	{
		pSS->PushFuncParam(p1);	pSS->PushFuncParam(p2); pSS->PushFuncParam(p3);	pSS->PushFuncParam(p4); pSS->PushFuncParam(p5);	pSS->PushFuncParam(p6);
	}
};

#endif // __ScriptHelpers_h__