diff options
Diffstat (limited to 'freetrackclient')
| -rw-r--r-- | freetrackclient/freetrackclient.c (renamed from freetrackclient/freetrackclient.cpp) | 95 |
1 files changed, 11 insertions, 84 deletions
diff --git a/freetrackclient/freetrackclient.cpp b/freetrackclient/freetrackclient.c index 816e7b65..007d073f 100644 --- a/freetrackclient/freetrackclient.cpp +++ b/freetrackclient/freetrackclient.c @@ -20,43 +20,31 @@ #define NP_AXIS_MAX 16383 #include <stdarg.h> +#include <stdbool.h> #include <stdlib.h> #include <stdio.h> #include <string.h> #include <windows.h> -//#include <tchar.h> #include "ftnoir_protocol_ft/fttypes.h" -#define FT_EXPORT(t) extern "C" __declspec(dllexport) t __stdcall +#define FT_EXPORT(t) __declspec(dllexport) t __stdcall -// -// Functions to create/open the file-mapping -// and to destroy it again. -// -static float scale2AnalogLimits( float x, float min_x, float max_x ); -static float getDegreesFromRads ( float rads ); FT_EXPORT(bool) FTCreateMapping(void); #if 0 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(...) +#define dbg_report(...) ((void)0) #endif -// -// Handles to 'handle' the memory mapping -// static HANDLE hFTMemMap = 0; -static FTMemMap *pMemData = 0; +static FTHeap *pMemData = 0; static HANDLE hFTMutex = 0; static const char* dllVersion = "1.0.0.0"; static const char* dllProvider = "FreeTrack"; -// -// DllMain gets called, when the DLL is (un)loaded or a process attaches. -// BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { switch (fdwReason) { @@ -80,37 +68,24 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) return TRUE; } -/****************************************************************** - * FTGetData (FreeTrackClient.1) - */ - -#pragma comment(linker, "/export:FTGetData@4=FTGetData") -FT_EXPORT(bool) FTGetData(PFreetrackData data) +FT_EXPORT(bool) FTGetData(FTData* data) { // dbg_report("NP_GetData called."); - if (FTCreateMapping() == false) return false; + if (FTCreateMapping() == false) + return false; - if (hFTMutex && WaitForSingleObject(hFTMutex, 5) == WAIT_OBJECT_0) { + if (hFTMutex && WaitForSingleObject(hFTMutex, 16) == WAIT_OBJECT_0) { if (pMemData) { - // - // Limit the range of DataID - // - if (pMemData->data.DataID > 1000) { + if (pMemData->data.DataID > (1 << 29)) { pMemData->data.DataID = 0; } data->DataID = pMemData->data.DataID; - } ReleaseMutex(hFTMutex); } return true; } -/****************************************************************** - * FTReportName (FreeTrackClient.2) - */ -#pragma comment(linker, "/export:FTReportName@4=FTReportName") -// // 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! @@ -120,10 +95,6 @@ FT_EXPORT(void) FTReportName( int name ) dbg_report("FTReportName request (ID = %d).\n", name); } -/****************************************************************** - * FTGetDllVersion (FreeTrackClient.3) - */ -#pragma comment(linker, "/export:FTGetDllVersion@0=FTGetDllVersion") FT_EXPORT(const char*) FTGetDllVersion(void) { dbg_report("FTGetDllVersion request.\n"); @@ -131,10 +102,6 @@ FT_EXPORT(const char*) FTGetDllVersion(void) return dllVersion; } -/****************************************************************** - * FTProvider (FreeTrackClient.4) - */ -#pragma comment(linker, "/export:FTProvider@0=FTProvider") FT_EXPORT(const char*) FTProvider(void) { dbg_report("FTProvider request.\n"); @@ -149,25 +116,14 @@ FT_EXPORT(const char*) FTProvider(void) // FT_EXPORT(bool) FTCreateMapping(void) { - // - // Memory-mapping already exists! - // if ( pMemData != NULL ) { return true; } dbg_report("FTCreateMapping request (pMemData == NULL).\n"); - // - // A FileMapping is used to create 'shared memory' between the FTClient and the FTServer. - // - // Try to create a FileMapping to the Shared Memory. This is done to check if it's already there (what - // may mean the face-tracker program is already running). - // - // If one already exists: close it and open the file-mapping to the existing one. - // hFTMemMap = CreateFileMappingA( INVALID_HANDLE_VALUE , 00 , PAGE_READWRITE , 0 , - sizeof( FTMemMap ), + sizeof( FTHeap ), (LPCSTR) FT_MM_DATA ); if (hFTMemMap == NULL) @@ -176,15 +132,12 @@ FT_EXPORT(bool) FTCreateMapping(void) return false; } - pMemData = (FTMemMap *) MapViewOfFile(hFTMemMap, FILE_MAP_WRITE, 0, 0, sizeof( FTMemMap ) ); + pMemData = (FTHeap*) MapViewOfFile(hFTMemMap, FILE_MAP_WRITE, 0, 0, sizeof( FTHeap ) ); hFTMutex = CreateMutexA(NULL, false, FREETRACK_MUTEX); return true; } -// -// Destory the FileMapping to the shared memory -// FT_EXPORT(void) FTDestroyMapping(void) { if ( pMemData != NULL ) { @@ -196,29 +149,3 @@ FT_EXPORT(void) FTDestroyMapping(void) pMemData = 0; hFTMemMap = 0; } - -// -// 4 convenience -// -static float getDegreesFromRads ( float rads ) { - return (rads * 57.295781f); -} - -// -// Scale the measured value to the TIR values -// -static float scale2AnalogLimits( float x, float min_x, float max_x ) { -double y; -double local_x; - - local_x = x; - if (local_x > max_x) { - local_x = max_x; - } - if (local_x < min_x) { - local_x = min_x; - } - y = ( NP_AXIS_MAX * local_x ) / max_x; - - return (float) y; -} |