\r
\r
#if !defined(_WIN32_WCE)\r
+# include <windows.h>\r
+# include <mmsystem.h>\r
+# include <regstr.h>\r
+\r
+\r
+\r
+\r
+void fgPlatformJoystickRawRead( SFG_Joystick* joy, int* buttons, float* axes )\r
+{\r
+ MMRESULT status;\r
+\r
+ status = joyGetPosEx( joy->pJoystick.js_id, &joy->pJoystick.js );\r
+\r
+ if ( status != JOYERR_NOERROR )\r
+ {\r
+ joy->error = GL_TRUE;\r
+ return;\r
+ }\r
+\r
+ if ( buttons )\r
+ *buttons = joy->pJoystick.js.dwButtons;\r
+\r
+ if ( axes )\r
+ {\r
+ /*\r
+ * WARNING - Fall through case clauses!!\r
+ */\r
+ switch ( joy->num_axes )\r
+ {\r
+ case 8:\r
+ /* Generate two POV axes from the POV hat angle.\r
+ * Low 16 bits of js.dwPOV gives heading (clockwise from ahead) in\r
+ * hundredths of a degree, or 0xFFFF when idle.\r
+ */\r
+ if ( ( joy->pJoystick.js.dwPOV & 0xFFFF ) == 0xFFFF )\r
+ {\r
+ axes [ 6 ] = 0.0;\r
+ axes [ 7 ] = 0.0;\r
+ }\r
+ else\r
+ {\r
+ /* This is the contentious bit: how to convert angle to X/Y.\r
+ * wk: I know of no define for PI that we could use here:\r
+ * SG_PI would pull in sg, M_PI is undefined for MSVC\r
+ * But the accuracy of the value of PI is very unimportant at\r
+ * this point.\r
+ */\r
+ float s = (float) sin ( ( joy->pJoystick.js.dwPOV & 0xFFFF ) * ( 0.01 * 3.1415926535f / 180.0f ) );\r
+ float c = (float) cos ( ( joy->pJoystick.js.dwPOV & 0xFFFF ) * ( 0.01 * 3.1415926535f / 180.0f ) );\r
+\r
+ /* Convert to coordinates on a square so that North-East\r
+ * is (1,1) not (.7,.7), etc.\r
+ * s and c cannot both be zero so we won't divide by zero.\r
+ */\r
+ if ( fabs ( s ) < fabs ( c ) )\r
+ {\r
+ axes [ 6 ] = ( c < 0.0 ) ? -s/c : s/c ;\r
+ axes [ 7 ] = ( c < 0.0 ) ? -1.0f : 1.0f;\r
+ }\r
+ else\r
+ {\r
+ axes [ 6 ] = ( s < 0.0 ) ? -1.0f : 1.0f;\r
+ axes [ 7 ] = ( s < 0.0 ) ? -c/s : c/s ;\r
+ }\r
+ }\r
+\r
+ case 6: axes[5] = (float) joy->pJoystick.js.dwVpos;\r
+ case 5: axes[4] = (float) joy->pJoystick.js.dwUpos;\r
+ case 4: axes[3] = (float) joy->pJoystick.js.dwRpos;\r
+ case 3: axes[2] = (float) joy->pJoystick.js.dwZpos;\r
+ case 2: axes[1] = (float) joy->pJoystick.js.dwYpos;\r
+ case 1: axes[0] = (float) joy->pJoystick.js.dwXpos;\r
+ }\r
+ }\r
+}\r
+\r
+\r
+\r
+/* Inspired by\r
+ http://msdn.microsoft.com/archive/en-us/dnargame/html/msdn_sidewind3d.asp\r
+ */\r
+# if FREEGLUT_LIB_PRAGMAS\r
+# pragma comment (lib, "advapi32.lib")\r
+# endif\r
+\r
+static int fghJoystickGetOEMProductName ( SFG_Joystick* joy, char *buf, int buf_sz )\r
+{\r
+ char buffer [ 256 ];\r
+\r
+ char OEMKey [ 256 ];\r
+\r
+ HKEY hKey;\r
+ DWORD dwcb;\r
+ LONG lr;\r
+\r
+ if ( joy->error )\r
+ return 0;\r
+\r
+ /* Open .. MediaResources\CurrentJoystickSettings */\r
+ _snprintf ( buffer, sizeof(buffer), "%s\\%s\\%s",\r
+ REGSTR_PATH_JOYCONFIG, joy->pJoystick.jsCaps.szRegKey,\r
+ REGSTR_KEY_JOYCURR );\r
+\r
+ lr = RegOpenKeyEx ( HKEY_LOCAL_MACHINE, buffer, 0, KEY_QUERY_VALUE, &hKey);\r
+\r
+ if ( lr != ERROR_SUCCESS ) return 0;\r
+\r
+ /* Get OEM Key name */\r
+ dwcb = sizeof(OEMKey);\r
+\r
+ /* JOYSTICKID1-16 is zero-based; registry entries for VJOYD are 1-based. */\r
+ _snprintf ( buffer, sizeof(buffer), "Joystick%d%s", joy->pJoystick.js_id + 1, REGSTR_VAL_JOYOEMNAME );\r
+\r
+ lr = RegQueryValueEx ( hKey, buffer, 0, 0, (LPBYTE) OEMKey, &dwcb);\r
+ RegCloseKey ( hKey );\r
+\r
+ if ( lr != ERROR_SUCCESS ) return 0;\r
+\r
+ /* Open OEM Key from ...MediaProperties */\r
+ _snprintf ( buffer, sizeof(buffer), "%s\\%s", REGSTR_PATH_JOYOEM, OEMKey );\r
+\r
+ lr = RegOpenKeyEx ( HKEY_LOCAL_MACHINE, buffer, 0, KEY_QUERY_VALUE, &hKey );\r
+\r
+ if ( lr != ERROR_SUCCESS ) return 0;\r
+\r
+ /* Get OEM Name */\r
+ dwcb = buf_sz;\r
+\r
+ lr = RegQueryValueEx ( hKey, REGSTR_VAL_JOYOEMNAME, 0, 0, (LPBYTE) buf,\r
+ &dwcb );\r
+ RegCloseKey ( hKey );\r
+\r
+ if ( lr != ERROR_SUCCESS ) return 0;\r
+\r
+ return 1;\r
+}\r
+\r
+\r
+void fgPlatformJoystickOpen( SFG_Joystick* joy )\r
+{\r
+ int i = 0;\r
+\r
+ joy->pJoystick.js.dwFlags = JOY_RETURNALL;\r
+ joy->pJoystick.js.dwSize = sizeof( joy->pJoystick.js );\r
+\r
+ memset( &joy->pJoystick.jsCaps, 0, sizeof( joy->pJoystick.jsCaps ) );\r
+\r
+ joy->error =\r
+ ( joyGetDevCaps( joy->pJoystick.js_id, &joy->pJoystick.jsCaps, sizeof( joy->pJoystick.jsCaps ) ) !=\r
+ JOYERR_NOERROR );\r
+\r
+ if( joy->pJoystick.jsCaps.wNumAxes == 0 )\r
+ {\r
+ joy->num_axes = 0;\r
+ joy->error = GL_TRUE;\r
+ }\r
+ else\r
+ {\r
+ /* Device name from jsCaps is often "Microsoft PC-joystick driver",\r
+ * at least for USB. Try to get the real name from the registry.\r
+ */\r
+ if ( ! fghJoystickGetOEMProductName( joy, joy->name,\r
+ sizeof( joy->name ) ) )\r
+ {\r
+ fgWarning( "JS: Failed to read joystick name from registry" );\r
+ strncpy( joy->name, joy->pJoystick.jsCaps.szPname, sizeof( joy->name ) );\r
+ }\r
+\r
+ /* Windows joystick drivers may provide any combination of\r
+ * X,Y,Z,R,U,V,POV - not necessarily the first n of these.\r
+ */\r
+ if( joy->pJoystick.jsCaps.wCaps & JOYCAPS_HASPOV )\r
+ {\r
+ joy->num_axes = _JS_MAX_AXES;\r
+ joy->min[ 7 ] = -1.0; joy->max[ 7 ] = 1.0; /* POV Y */\r
+ joy->min[ 6 ] = -1.0; joy->max[ 6 ] = 1.0; /* POV X */\r
+ }\r
+ else\r
+ joy->num_axes = 6;\r
+\r
+ joy->min[ 5 ] = ( float )joy->pJoystick.jsCaps.wVmin;\r
+ joy->max[ 5 ] = ( float )joy->pJoystick.jsCaps.wVmax;\r
+ joy->min[ 4 ] = ( float )joy->pJoystick.jsCaps.wUmin;\r
+ joy->max[ 4 ] = ( float )joy->pJoystick.jsCaps.wUmax;\r
+ joy->min[ 3 ] = ( float )joy->pJoystick.jsCaps.wRmin;\r
+ joy->max[ 3 ] = ( float )joy->pJoystick.jsCaps.wRmax;\r
+ joy->min[ 2 ] = ( float )joy->pJoystick.jsCaps.wZmin;\r
+ joy->max[ 2 ] = ( float )joy->pJoystick.jsCaps.wZmax;\r
+ joy->min[ 1 ] = ( float )joy->pJoystick.jsCaps.wYmin;\r
+ joy->max[ 1 ] = ( float )joy->pJoystick.jsCaps.wYmax;\r
+ joy->min[ 0 ] = ( float )joy->pJoystick.jsCaps.wXmin;\r
+ joy->max[ 0 ] = ( float )joy->pJoystick.jsCaps.wXmax;\r
+ }\r
+\r
+ /* Guess all the rest judging on the axes extremals */\r
+ for( i = 0; i < joy->num_axes; i++ )\r
+ {\r
+ joy->center [ i ] = ( joy->max[ i ] + joy->min[ i ] ) * 0.5f;\r
+ joy->dead_band[ i ] = 0.0f;\r
+ joy->saturate [ i ] = 1.0f;\r
+ }\r
+}\r
+\r
+\r
+\r
+void fgPlatformJoystickInit( SFG_Joystick *fgJoystick[], int ident )\r
+{\r
+ switch( ident )\r
+ {\r
+ case 0:\r
+ fgJoystick[ ident ]->pJoystick.js_id = JOYSTICKID1;\r
+ fgJoystick[ ident ]->error = GL_FALSE;\r
+ break;\r
+ case 1:\r
+ fgJoystick[ ident ]->pJoystick.js_id = JOYSTICKID2;\r
+ fgJoystick[ ident ]->error = GL_FALSE;\r
+ break;\r
+ default:\r
+ fgJoystick[ ident ]->num_axes = 0;\r
+ fgJoystick[ ident ]->error = GL_TRUE;\r
+ return;\r
+ }\r
+}\r
+\r
+\r
+\r
void fgPlatformJoystickClose ( int ident )\r
{\r
/* Do nothing special */\r
projects / freeglut / blobdiff