QTfrontend/util/platform/xfiregameclient.cpp
branchqmlfrontend
changeset 12855 1b2b84315d27
parent 11843 01f88c3b7b66
parent 12854 28cb18c5e712
child 12856 95d903b976d0
equal deleted inserted replaced
11843:01f88c3b7b66 12855:1b2b84315d27
     1 /* This file is NOT open source. See "license.txt" to read the full license provided with the Xfire SDK. */
       
     2 
       
     3 #define WIN32_LEAN_AND_MEAN
       
     4 #include <windows.h>
       
     5 #include <tlhelp32.h>
       
     6 
       
     7 #include "xfiregameclient.h"
       
     8 
       
     9 static HMODULE g_toucan_dll = NULL;
       
    10 static void HelperInit();
       
    11 static HMODULE HelperGetToucanDLL();
       
    12 
       
    13 typedef int (*XfireSetCustomGameDataAFunction)(int , const char **, const char **);
       
    14 typedef int (*XfireSetCustomGameDataWFunction)(int , const wchar_t **, const wchar_t **);
       
    15 typedef int (*XfireSetCustomGameDataUTF8Function)(int , const char **, const char **);
       
    16 
       
    17 static XfireSetCustomGameDataAFunction ptr_XfireSetCustomGameDataA = NULL;
       
    18 static XfireSetCustomGameDataWFunction ptr_XfireSetCustomGameDataW = NULL;
       
    19 static XfireSetCustomGameDataUTF8Function ptr_XfireSetCustomGameDataUTF8 = NULL;
       
    20 
       
    21 /* make sure we are going to call the ANSI version */
       
    22 #ifdef MODULEENTRY32
       
    23 #undef MODULEENTRY32
       
    24 #endif
       
    25 
       
    26 #ifdef Module32First
       
    27 #undef Module32First
       
    28 #endif
       
    29 
       
    30 #ifdef Module32Next
       
    31 #undef Module32Next
       
    32 #endif
       
    33 
       
    34 
       
    35 int XfireIsLoaded()
       
    36 {
       
    37     HelperInit();
       
    38     if (ptr_XfireSetCustomGameDataA &&
       
    39         ptr_XfireSetCustomGameDataW &&
       
    40         ptr_XfireSetCustomGameDataUTF8)
       
    41         return 1;
       
    42     return 0;
       
    43 }
       
    44 
       
    45 int XfireSetCustomGameDataA(int num_keys, const char **keys, const char **values)
       
    46 {
       
    47     HelperInit();
       
    48     if (ptr_XfireSetCustomGameDataA)
       
    49         return ptr_XfireSetCustomGameDataA(num_keys, keys, values);
       
    50     return 1;
       
    51 }
       
    52 
       
    53 int XfireSetCustomGameDataW(int num_keys, const wchar_t **keys, const wchar_t **values)
       
    54 {
       
    55     HelperInit();
       
    56     if (ptr_XfireSetCustomGameDataW)
       
    57         return ptr_XfireSetCustomGameDataW(num_keys, keys, values);
       
    58     return 1;
       
    59 }
       
    60 
       
    61 int XfireSetCustomGameDataUTF8(int num_keys, const char **keys, const char **values)
       
    62 {
       
    63     HelperInit();
       
    64     if (ptr_XfireSetCustomGameDataUTF8)
       
    65         return ptr_XfireSetCustomGameDataUTF8(num_keys, keys, values);
       
    66     return 1;
       
    67 }
       
    68 
       
    69 /* ------------------------------------------------------------------------- */
       
    70 static void HelperInit()
       
    71 {
       
    72     if (!ptr_XfireSetCustomGameDataA ||
       
    73         !ptr_XfireSetCustomGameDataW ||
       
    74         !ptr_XfireSetCustomGameDataUTF8)
       
    75     {
       
    76         HMODULE toucan_dll = HelperGetToucanDLL();
       
    77         if (toucan_dll)
       
    78         {
       
    79             ptr_XfireSetCustomGameDataA = (XfireSetCustomGameDataAFunction)::GetProcAddress(toucan_dll, "ToucanSendGameClientDataA_V1");
       
    80             ptr_XfireSetCustomGameDataW = (XfireSetCustomGameDataWFunction)::GetProcAddress(toucan_dll, "ToucanSendGameClientDataW_V1");
       
    81             ptr_XfireSetCustomGameDataUTF8 = (XfireSetCustomGameDataUTF8Function)::GetProcAddress(toucan_dll, "ToucanSendGameClientDataUTF8_V1");
       
    82         }
       
    83     }
       
    84 }
       
    85 
       
    86 
       
    87 static HMODULE HelperGetToucanDLL()
       
    88 {
       
    89     if (g_toucan_dll)
       
    90         return g_toucan_dll;
       
    91 
       
    92     /*
       
    93     ** We need to enumerate the DLLs loaded to find toucan dll.
       
    94     ** This is done because the toucan dll changes with each update.
       
    95     ** The toucan dll has the following format. "xfire_toucan_{BUILD_NUMBER}.dll"
       
    96     ** We simply try to find a dll w/ the prefix "xfire_toucan"
       
    97     */
       
    98     HANDLE snapshot_handle = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, GetCurrentProcessId());
       
    99     if (snapshot_handle != INVALID_HANDLE_VALUE)
       
   100     {
       
   101         MODULEENTRY32 module_entry;
       
   102         module_entry.dwSize = sizeof(MODULEENTRY32);
       
   103 
       
   104         BOOL result = Module32First(snapshot_handle, &module_entry);
       
   105         char module_name[] = "xfire_toucan";
       
   106         DWORD module_name_len = sizeof(module_name)-1;
       
   107         while (result)
       
   108         {
       
   109             if (CompareStringA(LOCALE_USER_DEFAULT, NORM_IGNORECASE, module_entry.szModule, module_name_len, module_name, module_name_len) == CSTR_EQUAL)
       
   110             {
       
   111                 g_toucan_dll = module_entry.hModule;
       
   112                 break;
       
   113             }
       
   114             result = Module32Next(snapshot_handle, &module_entry);
       
   115         }
       
   116 
       
   117         CloseHandle(snapshot_handle);
       
   118     }
       
   119 
       
   120     return g_toucan_dll;
       
   121 }