+
−/* This file is NOT open source. See "license.txt" to read the full license provided with the Xfire SDK. */
+
−
+
−#define WIN32_LEAN_AND_MEAN
+
−#include <windows.h>
+
−#include <tlhelp32.h>
+
−
+
−#include "xfiregameclient.h"
+
−
+
−static HMODULE g_toucan_dll = NULL;
+
−static void HelperInit();
+
−static HMODULE HelperGetToucanDLL();
+
−
+
−typedef int (*XfireSetCustomGameDataAFunction)(int , const char **, const char **);
+
−typedef int (*XfireSetCustomGameDataWFunction)(int , const wchar_t **, const wchar_t **);
+
−typedef int (*XfireSetCustomGameDataUTF8Function)(int , const char **, const char **);
+
−
+
−static XfireSetCustomGameDataAFunction ptr_XfireSetCustomGameDataA = NULL;
+
−static XfireSetCustomGameDataWFunction ptr_XfireSetCustomGameDataW = NULL;
+
−static XfireSetCustomGameDataUTF8Function ptr_XfireSetCustomGameDataUTF8 = NULL;
+
−
+
−/* make sure we are going to call the ANSI version */
+
−#ifdef MODULEENTRY32
+
−#undef MODULEENTRY32
+
−#endif
+
−
+
−#ifdef Module32First
+
−#undef Module32First
+
−#endif
+
−
+
−#ifdef Module32Next
+
−#undef Module32Next
+
−#endif
+
−
+
−
+
−int XfireIsLoaded()
+
−{
+
−	HelperInit();
+
−	if (ptr_XfireSetCustomGameDataA &&
+
−		ptr_XfireSetCustomGameDataW &&
+
−		ptr_XfireSetCustomGameDataUTF8)
+
−		return 1;
+
−	return 0;
+
−}
+
−
+
−int XfireSetCustomGameDataA(int num_keys, const char **keys, const char **values)
+
−{
+
−	HelperInit();
+
−	if (ptr_XfireSetCustomGameDataA)
+
−		return ptr_XfireSetCustomGameDataA(num_keys, keys, values);
+
−	return 1;
+
−}
+
−
+
−int XfireSetCustomGameDataW(int num_keys, const wchar_t **keys, const wchar_t **values)
+
−{
+
−	HelperInit();
+
−	if (ptr_XfireSetCustomGameDataW)
+
−		return ptr_XfireSetCustomGameDataW(num_keys, keys, values);
+
−	return 1;
+
−}
+
−
+
−int XfireSetCustomGameDataUTF8(int num_keys, const char **keys, const char **values)
+
−{
+
−	HelperInit();
+
−	if (ptr_XfireSetCustomGameDataUTF8)
+
−		return ptr_XfireSetCustomGameDataUTF8(num_keys, keys, values);
+
−	return 1;
+
−}
+
−
+
−/* ------------------------------------------------------------------------- */
+
−static void HelperInit()
+
−{
+
−	if (!ptr_XfireSetCustomGameDataA ||
+
−		!ptr_XfireSetCustomGameDataW ||
+
−		!ptr_XfireSetCustomGameDataUTF8)
+
−	{
+
−		HMODULE toucan_dll = HelperGetToucanDLL();
+
−		if (toucan_dll)
+
−		{
+
−			ptr_XfireSetCustomGameDataA = (XfireSetCustomGameDataAFunction)::GetProcAddress(toucan_dll, "ToucanSendGameClientDataA_V1");
+
−			ptr_XfireSetCustomGameDataW = (XfireSetCustomGameDataWFunction)::GetProcAddress(toucan_dll, "ToucanSendGameClientDataW_V1");
+
−			ptr_XfireSetCustomGameDataUTF8 = (XfireSetCustomGameDataUTF8Function)::GetProcAddress(toucan_dll, "ToucanSendGameClientDataUTF8_V1");
+
−		}
+
−	}
+
−}
+
−
+
−
+
−static HMODULE HelperGetToucanDLL()
+
−{
+
−	if (g_toucan_dll)
+
−		return g_toucan_dll;
+
−
+
−	/*
+
−	** We need to enumerate the DLLs loaded to find toucan dll.
+
−	** This is done because the toucan dll changes with each update.
+
−	** The toucan dll has the following format. "xfire_toucan_{BUILD_NUMBER}.dll"
+
−	** We simply try to find a dll w/ the prefix "xfire_toucan"
+
−	*/
+
−	HANDLE snapshot_handle = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, GetCurrentProcessId());
+
−	if (snapshot_handle != INVALID_HANDLE_VALUE)
+
−	{
+
−		MODULEENTRY32 module_entry;
+
−		module_entry.dwSize = sizeof(MODULEENTRY32);
+
−
+
−		BOOL result = Module32First(snapshot_handle, &module_entry);
+
−		char module_name[] = "xfire_toucan";
+
−		DWORD module_name_len = sizeof(module_name)-1;
+
−		while (result)
+
−		{
+
−			if (CompareStringA(LOCALE_USER_DEFAULT, NORM_IGNORECASE, module_entry.szModule, module_name_len, module_name, module_name_len) == CSTR_EQUAL)
+
−			{
+
−				g_toucan_dll = module_entry.hModule;
+
−				break;
+
−			}
+
−			result = Module32Next(snapshot_handle, &module_entry);
+
−		}
+
−
+
−		CloseHandle(snapshot_handle);
+
−	}
+
−
+
−	return g_toucan_dll;
+
−}