/*********************************************************************************** * * FTTypes FTTypes contains the specific type definitions for the * * * FreeTrack protocol. * * * It was loosely translated from FTTypes.pas * * * which was created by the FreeTrack-team. * * * * * * Wim Vriend (Developing) * * * Ron Hendriks (Testing and Research) * * * * * * Homepage * * * * * * This program is distributed in the hope that it will be useful, but * * * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * * * or FITNESS FOR A PARTICULAR PURPOSE. * * * * * * * * * The FreeTrackClient sources were translated from the original Delphi sources * * * created by the FreeTrack developers. * */ #ifndef _MSC_VER # warning "expect misnamed symbols" #endif #pragma GCC diagnostic ignored "-Wvariadic-macros" #pragma GCC diagnostic ignored "-Wunused-parameter" #define NP_AXIS_MAX 16383 #include #include #include #include "fttypes.h" #define FT_EXPORT(t) t __stdcall #if 0 # include static FILE *debug_stream = fopen("c:\\FreeTrackClient.log", "a"); # define dbg_report(...) if (debug_stream) { fprintf(debug_stream, __VA_ARGS__); fflush(debug_stream); } #else #define dbg_report(...) ((void)0) #endif static HANDLE hFTMemMap = 0; static FTHeap* ipc_heap = 0; static HANDLE ipc_mutex = 0; static const char* dllVersion = "1.0.0.0"; static const char* dllProvider = "FreeTrack"; static bool impl_create_mapping(void) { if (ipc_heap != NULL) return true; hFTMemMap = CreateFileMappingA(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, sizeof(FTHeap), (LPCSTR) FREETRACK_HEAP); if (hFTMemMap == NULL) return (ipc_heap = NULL), false; ipc_heap = (FTHeap*) MapViewOfFile(hFTMemMap, FILE_MAP_WRITE, 0, 0, sizeof(FTHeap)); ipc_mutex = CreateMutexA(NULL, false, FREETRACK_MUTEX); return true; } FT_EXPORT(bool) FTGetData(FTData* data) { if (impl_create_mapping() == false) return false; if (ipc_mutex && WaitForSingleObject(ipc_mutex, 16) == WAIT_OBJECT_0) { if (ipc_heap) { if (ipc_heap->data.DataID > (1 << 29)) ipc_heap->data.DataID = 0; data->DataID = ipc_heap->data.DataID; } ReleaseMutex(ipc_mutex); } return true; } /* // For some mysterious reason, the previously existing function FTReportID has been changed to FTReportName, but with an integer as argument. // The Delphi-code from the FreeTrack repo suggest a char * as argument, so it cost me an afternoon to figure it out (and keep ArmA2 from crashing). // Thanks guys! */ FT_EXPORT(void) FTReportName( int name ) { dbg_report("FTReportName request (ID = %d).\n", name); } FT_EXPORT(const char*) FTGetDllVersion(void) { dbg_report("FTGetDllVersion request.\n"); return dllVersion; } FT_EXPORT(const char*) FTProvider(void) { dbg_report("FTProvider request.\n"); return dllProvider; } #pragma comment (linker, "/export:FTReportName=_FTReportName@4") #pragma comment (linker, "/export:FTGetDllVersion=_FTGetDllVersion@0") #pragma comment (linker, "/export:FTProvider=_FTProvider@0") #pragma comment (linker, "/export:FTGetData=_FTGetData@4")