Dispatch.h

#ifndef DISPATCH_H
#define DISPATCH_H

#include <stdarg.h>

template<typename T>struct TVaListTypeMap{
	typedef T	Type;
};
template<> struct TVaListTypeMap<float>{
	typedef double	Type;
};
template<> struct TVaListTypeMap<const float>{
	typedef const double	Type;
};


template<typename TReturnType, typename TArg0>
inline TReturnType VaListDispatch(TReturnType(*pfnFunction)(TArg0),
	va_list vaList){
	TArg0 arg0 = TArg0(va_arg(vaList, TVaListTypeMap<TArg0>::Type));
	return pfnFunction(arg0);
}

template<typename TReturnType, typename TArg0, typename TArg1>
inline TReturnType VaListDispatch(TReturnType(*pfnFunction)(TArg0, TArg1),
	va_list vaList){
	TArg0 arg0 = TArg0(va_arg(vaList, TVaListTypeMap<TArg0>::Type));
	TArg1 arg1 = TArg1(va_arg(vaList, TVaListTypeMap<TArg1>::Type));
	return pfnFunction(arg0, arg1);
}

template<typename TReturnType, typename TArg0, typename TArg1, typename TArg2>
inline TReturnType VaListDispatch(TReturnType(*pfnFunction)(TArg0, TArg1, TArg2),
	va_list vaList){
	TArg0 arg0 = TArg0(va_arg(vaList, TVaListTypeMap<TArg0>::Type));
	TArg1 arg1 = TArg1(va_arg(vaList, TVaListTypeMap<TArg1>::Type));
	TArg2 arg2 = TArg2(va_arg(vaList, TVaListTypeMap<TArg2>::Type));
	return pfnFunction(arg0, arg1, arg2);
}

template<typename TReturnType, typename TArg0, typename TArg1, typename TArg2,
	typename TArg3>
	inline TReturnType VaListDispatch(TReturnType(*pfnFunction)(TArg0, TArg1,
		TArg2, TArg3),
		va_list vaList){
	TArg0 arg0 = TArg0(va_arg(vaList, TVaListTypeMap<TArg0>::Type));
	TArg1 arg1 = TArg1(va_arg(vaList, TVaListTypeMap<TArg1>::Type));
	TArg2 arg2 = TArg2(va_arg(vaList, TVaListTypeMap<TArg2>::Type));
	TArg3 arg3 = TArg3(va_arg(vaList, TVaListTypeMap<TArg3>::Type));
	return pfnFunction(arg0, arg1, arg2, arg3);
}

template<typename TReturnType, typename TArg0, typename TArg1, typename TArg2,
	typename TArg3, typename TArg4>
	inline TReturnType VaListDispatch(TReturnType(*pfnFunction)(TArg0, TArg1,
		TArg2, TArg3, TArg4),
		va_list vaList){
	TArg0 arg0 = TArg0(va_arg(vaList, TVaListTypeMap<TArg0>::Type));
	TArg1 arg1 = TArg1(va_arg(vaList, TVaListTypeMap<TArg1>::Type));
	TArg2 arg2 = TArg2(va_arg(vaList, TVaListTypeMap<TArg2>::Type));
	TArg3 arg3 = TArg3(va_arg(vaList, TVaListTypeMap<TArg3>::Type));
	TArg4 arg4 = TArg4(va_arg(vaList, TVaListTypeMap<TArg4>::Type));
	return pfnFunction(arg0, arg1, arg2, arg3, arg4);
}

template<typename TReturnType, typename TArg0, typename TArg1, typename TArg2,
	typename TArg3, typename TArg4, typename TArg5>
	inline TReturnType VaListDispatch(TReturnType(*pfnFunction)(TArg0, TArg1,
		TArg2, TArg3, TArg4, TArg5),
		va_list vaList){
	TArg0 arg0 = TArg0(va_arg(vaList, TVaListTypeMap<TArg0>::Type));
	TArg1 arg1 = TArg1(va_arg(vaList, TVaListTypeMap<TArg1>::Type));
	TArg2 arg2 = TArg2(va_arg(vaList, TVaListTypeMap<TArg2>::Type));
	TArg3 arg3 = TArg3(va_arg(vaList, TVaListTypeMap<TArg3>::Type));
	TArg4 arg4 = TArg4(va_arg(vaList, TVaListTypeMap<TArg4>::Type));
	TArg5 arg5 = TArg5(va_arg(vaList, TVaListTypeMap<TArg5>::Type));
	return pfnFunction(arg0, arg1, arg2, arg3, arg4, arg5);
}

template<typename TReturnType, typename TArg0, typename TArg1, typename TArg2,
	typename TArg3, typename TArg4, typename TArg5, typename TArg6>
	inline TReturnType VaListDispatch(TReturnType(*pfnFunction)(TArg0, TArg1,
		TArg2, TArg3, TArg4, TArg5, TArg6),
		va_list vaList){
	TArg0 arg0 = TArg0(va_arg(vaList, TVaListTypeMap<TArg0>::Type));
	TArg1 arg1 = TArg1(va_arg(vaList, TVaListTypeMap<TArg1>::Type));
	TArg2 arg2 = TArg2(va_arg(vaList, TVaListTypeMap<TArg2>::Type));
	TArg3 arg3 = TArg3(va_arg(vaList, TVaListTypeMap<TArg3>::Type));
	TArg4 arg4 = TArg4(va_arg(vaList, TVaListTypeMap<TArg4>::Type));
	TArg5 arg5 = TArg5(va_arg(vaList, TVaListTypeMap<TArg5>::Type));
	TArg6 arg6 = TArg6(va_arg(vaList, TVaListTypeMap<TArg6>::Type));
	return pfnFunction(arg0, arg1, arg2, arg3, arg4, arg5, arg6);
}

template<typename TReturnType, typename TArg0, typename TArg1, typename TArg2,
	typename TArg3, typename TArg4, typename TArg5, typename TArg6,
	typename TArg7>
	inline TReturnType VaListDispatch(TReturnType(*pfnFunction)(TArg0, TArg1,
		TArg2, TArg3, TArg4, TArg5, TArg6, TArg7),
		va_list vaList){
	TArg0 arg0 = TArg0(va_arg(vaList, TVaListTypeMap<TArg0>::Type));
	TArg1 arg1 = TArg1(va_arg(vaList, TVaListTypeMap<TArg1>::Type));
	TArg2 arg2 = TArg2(va_arg(vaList, TVaListTypeMap<TArg2>::Type));
	TArg3 arg3 = TArg3(va_arg(vaList, TVaListTypeMap<TArg3>::Type));
	TArg4 arg4 = TArg4(va_arg(vaList, TVaListTypeMap<TArg4>::Type));
	TArg5 arg5 = TArg5(va_arg(vaList, TVaListTypeMap<TArg5>::Type));
	TArg6 arg6 = TArg6(va_arg(vaList, TVaListTypeMap<TArg6>::Type));
	TArg7 arg7 = TArg7(va_arg(vaList, TVaListTypeMap<TArg7>::Type));
	return pfnFunction(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
}

template<typename TReturnType, typename TArg0, typename TArg1, typename TArg2,
	typename TArg3, typename TArg4, typename TArg5, typename TArg6,
	typename TArg7, typename TArg8>
	inline TReturnType VaListDispatch(TReturnType(*pfnFunction)(TArg0, TArg1,
		TArg2, TArg3, TArg4, TArg5, TArg6, TArg7, TArg8),
		va_list vaList){
	TArg0 arg0 = TArg0(va_arg(vaList, TVaListTypeMap<TArg0>::Type));
	TArg1 arg1 = TArg1(va_arg(vaList, TVaListTypeMap<TArg1>::Type));
	TArg2 arg2 = TArg2(va_arg(vaList, TVaListTypeMap<TArg2>::Type));
	TArg3 arg3 = TArg3(va_arg(vaList, TVaListTypeMap<TArg3>::Type));
	TArg4 arg4 = TArg4(va_arg(vaList, TVaListTypeMap<TArg4>::Type));
	TArg5 arg5 = TArg5(va_arg(vaList, TVaListTypeMap<TArg5>::Type));
	TArg6 arg6 = TArg6(va_arg(vaList, TVaListTypeMap<TArg6>::Type));
	TArg7 arg7 = TArg7(va_arg(vaList, TVaListTypeMap<TArg7>::Type));
	TArg8 arg8 = TArg8(va_arg(vaList, TVaListTypeMap<TArg8>::Type));
	return pfnFunction(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
}

#endif //!DISPATCH_H