--- /dev/null
+/*
+ * freeglut_joystick_mswin.c
+ *
+ * The Windows-specific mouse cursor related stuff.
+ *
+ * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
+ * Written by John F. Fay, <fayjf@sourceforge.net>
+ * Creation date: Sat Jan 28, 2012
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <GL/freeglut.h>
+#include "../fg_internal.h"
+
+
+#if !defined(_WIN32_WCE)
+# include <windows.h>
+# include <mmsystem.h>
+# include <regstr.h>
+
+
+
+
+void fgPlatformJoystickRawRead( SFG_Joystick* joy, int* buttons, float* axes )
+{
+ MMRESULT status;
+
+ status = joyGetPosEx( joy->pJoystick.js_id, &joy->pJoystick.js );
+
+ if ( status != JOYERR_NOERROR )
+ {
+ joy->error = GL_TRUE;
+ return;
+ }
+
+ if ( buttons )
+ *buttons = joy->pJoystick.js.dwButtons;
+
+ if ( axes )
+ {
+ /*
+ * WARNING - Fall through case clauses!!
+ */
+ switch ( joy->num_axes )
+ {
+ case 8:
+ /* Generate two POV axes from the POV hat angle.
+ * Low 16 bits of js.dwPOV gives heading (clockwise from ahead) in
+ * hundredths of a degree, or 0xFFFF when idle.
+ */
+ if ( ( joy->pJoystick.js.dwPOV & 0xFFFF ) == 0xFFFF )
+ {
+ axes [ 6 ] = 0.0;
+ axes [ 7 ] = 0.0;
+ }
+ else
+ {
+ /* This is the contentious bit: how to convert angle to X/Y.
+ * wk: I know of no define for PI that we could use here:
+ * SG_PI would pull in sg, M_PI is undefined for MSVC
+ * But the accuracy of the value of PI is very unimportant at
+ * this point.
+ */
+ float s = (float) sin ( ( joy->pJoystick.js.dwPOV & 0xFFFF ) * ( 0.01 * 3.1415926535f / 180.0f ) );
+ float c = (float) cos ( ( joy->pJoystick.js.dwPOV & 0xFFFF ) * ( 0.01 * 3.1415926535f / 180.0f ) );
+
+ /* Convert to coordinates on a square so that North-East
+ * is (1,1) not (.7,.7), etc.
+ * s and c cannot both be zero so we won't divide by zero.
+ */
+ if ( fabs ( s ) < fabs ( c ) )
+ {
+ axes [ 6 ] = ( c < 0.0 ) ? -s/c : s/c ;
+ axes [ 7 ] = ( c < 0.0 ) ? -1.0f : 1.0f;
+ }
+ else
+ {
+ axes [ 6 ] = ( s < 0.0 ) ? -1.0f : 1.0f;
+ axes [ 7 ] = ( s < 0.0 ) ? -c/s : c/s ;
+ }
+ }
+
+ case 6: axes[5] = (float) joy->pJoystick.js.dwVpos;
+ case 5: axes[4] = (float) joy->pJoystick.js.dwUpos;
+ case 4: axes[3] = (float) joy->pJoystick.js.dwRpos;
+ case 3: axes[2] = (float) joy->pJoystick.js.dwZpos;
+ case 2: axes[1] = (float) joy->pJoystick.js.dwYpos;
+ case 1: axes[0] = (float) joy->pJoystick.js.dwXpos;
+ }
+ }
+}
+
+
+
+/* Inspired by
+ http://msdn.microsoft.com/archive/en-us/dnargame/html/msdn_sidewind3d.asp
+ */
+# if FREEGLUT_LIB_PRAGMAS
+# pragma comment (lib, "advapi32.lib")
+# endif
+
+static int fghJoystickGetOEMProductName ( SFG_Joystick* joy, char *buf, int buf_sz )
+{
+ char buffer [ 256 ];
+
+ char OEMKey [ 256 ];
+
+ HKEY hKey;
+ DWORD dwcb;
+ LONG lr;
+
+ if ( joy->error )
+ return 0;
+
+ /* Open .. MediaResources\CurrentJoystickSettings */
+ _snprintf ( buffer, sizeof(buffer), "%s\\%s\\%s",
+ REGSTR_PATH_JOYCONFIG, joy->pJoystick.jsCaps.szRegKey,
+ REGSTR_KEY_JOYCURR );
+
+ lr = RegOpenKeyEx ( HKEY_LOCAL_MACHINE, buffer, 0, KEY_QUERY_VALUE, &hKey);
+
+ if ( lr != ERROR_SUCCESS ) return 0;
+
+ /* Get OEM Key name */
+ dwcb = sizeof(OEMKey);
+
+ /* JOYSTICKID1-16 is zero-based; registry entries for VJOYD are 1-based. */
+ _snprintf ( buffer, sizeof(buffer), "Joystick%d%s", joy->pJoystick.js_id + 1, REGSTR_VAL_JOYOEMNAME );
+
+ lr = RegQueryValueEx ( hKey, buffer, 0, 0, (LPBYTE) OEMKey, &dwcb);
+ RegCloseKey ( hKey );
+
+ if ( lr != ERROR_SUCCESS ) return 0;
+
+ /* Open OEM Key from ...MediaProperties */
+ _snprintf ( buffer, sizeof(buffer), "%s\\%s", REGSTR_PATH_JOYOEM, OEMKey );
+
+ lr = RegOpenKeyEx ( HKEY_LOCAL_MACHINE, buffer, 0, KEY_QUERY_VALUE, &hKey );
+
+ if ( lr != ERROR_SUCCESS ) return 0;
+
+ /* Get OEM Name */
+ dwcb = buf_sz;
+
+ lr = RegQueryValueEx ( hKey, REGSTR_VAL_JOYOEMNAME, 0, 0, (LPBYTE) buf,
+ &dwcb );
+ RegCloseKey ( hKey );
+
+ if ( lr != ERROR_SUCCESS ) return 0;
+
+ return 1;
+}
+
+
+void fgPlatformJoystickOpen( SFG_Joystick* joy )
+{
+ int i = 0;
+
+ joy->pJoystick.js.dwFlags = JOY_RETURNALL;
+ joy->pJoystick.js.dwSize = sizeof( joy->pJoystick.js );
+
+ memset( &joy->pJoystick.jsCaps, 0, sizeof( joy->pJoystick.jsCaps ) );
+
+ joy->error =
+ ( joyGetDevCaps( joy->pJoystick.js_id, &joy->pJoystick.jsCaps, sizeof( joy->pJoystick.jsCaps ) ) !=
+ JOYERR_NOERROR );
+
+ if( joy->pJoystick.jsCaps.wNumAxes == 0 )
+ {
+ joy->num_axes = 0;
+ joy->error = GL_TRUE;
+ }
+ else
+ {
+ /* Device name from jsCaps is often "Microsoft PC-joystick driver",
+ * at least for USB. Try to get the real name from the registry.
+ */
+ if ( ! fghJoystickGetOEMProductName( joy, joy->name,
+ sizeof( joy->name ) ) )
+ {
+ fgWarning( "JS: Failed to read joystick name from registry" );
+ strncpy( joy->name, joy->pJoystick.jsCaps.szPname, sizeof( joy->name ) );
+ }
+
+ /* Windows joystick drivers may provide any combination of
+ * X,Y,Z,R,U,V,POV - not necessarily the first n of these.
+ */
+ if( joy->pJoystick.jsCaps.wCaps & JOYCAPS_HASPOV )
+ {
+ joy->num_axes = _JS_MAX_AXES;
+ joy->min[ 7 ] = -1.0; joy->max[ 7 ] = 1.0; /* POV Y */
+ joy->min[ 6 ] = -1.0; joy->max[ 6 ] = 1.0; /* POV X */
+ }
+ else
+ joy->num_axes = 6;
+
+ joy->min[ 5 ] = ( float )joy->pJoystick.jsCaps.wVmin;
+ joy->max[ 5 ] = ( float )joy->pJoystick.jsCaps.wVmax;
+ joy->min[ 4 ] = ( float )joy->pJoystick.jsCaps.wUmin;
+ joy->max[ 4 ] = ( float )joy->pJoystick.jsCaps.wUmax;
+ joy->min[ 3 ] = ( float )joy->pJoystick.jsCaps.wRmin;
+ joy->max[ 3 ] = ( float )joy->pJoystick.jsCaps.wRmax;
+ joy->min[ 2 ] = ( float )joy->pJoystick.jsCaps.wZmin;
+ joy->max[ 2 ] = ( float )joy->pJoystick.jsCaps.wZmax;
+ joy->min[ 1 ] = ( float )joy->pJoystick.jsCaps.wYmin;
+ joy->max[ 1 ] = ( float )joy->pJoystick.jsCaps.wYmax;
+ joy->min[ 0 ] = ( float )joy->pJoystick.jsCaps.wXmin;
+ joy->max[ 0 ] = ( float )joy->pJoystick.jsCaps.wXmax;
+ }
+
+ /* Guess all the rest judging on the axes extremals */
+ for( i = 0; i < joy->num_axes; i++ )
+ {
+ joy->center [ i ] = ( joy->max[ i ] + joy->min[ i ] ) * 0.5f;
+ joy->dead_band[ i ] = 0.0f;
+ joy->saturate [ i ] = 1.0f;
+ }
+}
+
+
+
+void fgPlatformJoystickInit( SFG_Joystick *fgJoystick[], int ident )
+{
+ switch( ident )
+ {
+ case 0:
+ fgJoystick[ ident ]->pJoystick.js_id = JOYSTICKID1;
+ fgJoystick[ ident ]->error = GL_FALSE;
+ break;
+ case 1:
+ fgJoystick[ ident ]->pJoystick.js_id = JOYSTICKID2;
+ fgJoystick[ ident ]->error = GL_FALSE;
+ break;
+ default:
+ fgJoystick[ ident ]->num_axes = 0;
+ fgJoystick[ ident ]->error = GL_TRUE;
+ return;
+ }
+}
+
+
+
+void fgPlatformJoystickClose ( int ident )
+{
+ /* Do nothing special */
+}
+#endif
+
projects / freeglut / blobdiff