* Many thanks for Steve Baker for permission to pull from that library.
*/
-#if defined( __FreeBSD__ ) || defined( __NetBSD__ )
-# include <sys/param.h>
-#endif
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
#include <GL/freeglut.h>
#include "freeglut_internal.h"
+#if HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
/*
* Initial defines from "js.h" starting around line 33 with the existing "freeglut_joystick.c"
* interspersed
*/
-#define _JS_MAX_BUTTONS 32
+/* XXX It might be better to poll the operating system for the numbers of buttons and
+ * XXX axes and then dynamically allocate the arrays.
+ */
+#define _JS_MAX_BUTTONS 32
#if TARGET_HOST_MACINTOSH
# define _JS_MAX_AXES 9
# define _JS_MAX_AXES 8
# include <windows.h>
# include <mmsystem.h>
-# include <string.h>
# include <regstr.h>
#endif
#if TARGET_HOST_UNIX_X11
# define _JS_MAX_AXES 16
+# if HAVE_SYS_IOCTL_H
+# include <sys/ioctl.h>
+# endif
+# if HAVE_FCNTL_H
+# include <fcntl.h>
+# endif
+# include <errno.h>
# if defined(__FreeBSD__) || defined(__NetBSD__)
/* XXX The below hack is done until freeglut's autoconf is updated. */
# define HAVE_USB_JS 1
-# include <sys/ioctl.h>
# if defined(__FreeBSD__) && __FreeBSD_version >= 500000
# include <sys/joystick.h>
# else
# define JS_RETURN (sizeof(struct JS_DATA_TYPE))
# endif
-# include <unistd.h>
-# include <fcntl.h>
-# include <errno.h>
-
# if defined(__linux__)
-# include <sys/ioctl.h>
# include <linux/joystick.h>
/* check the joystick driver version */
* The static joystick structure pointer
*/
#define MAX_NUM_JOYSTICKS 2
-static int fgNumberOfJoysticks = 0;
static SFG_Joystick *fgJoystick [ MAX_NUM_JOYSTICKS ];
/** element enumerator function : pass NULL for top-level*/
static void fghJoystickEnumerateElements ( SFG_Joystick *joy, CFTypeRef element )
{
- assert(CFGetTypeID(element) == CFArrayGetTypeID());
+ FREEGLUT_INTERNAL_ERROR_EXIT( (CFGetTypeID(element) == CFArrayGetTypeID(),
+ "Joystick element type mismatch",
+ "fghJoystickEnumerateElements" );
CFRange range = {0, CFArrayGetCount ((CFArrayRef)element)};
CFArrayApplyFunction((CFArrayRef) element, range,
CFDictionaryGetValue ((CFDictionaryRef) element, CFSTR(kIOHIDElementTypeKey)),
kCFNumberLongType, &type);
- switch ( typ e) {
+ switch ( type ) {
case kIOHIDElementTypeInput_Misc:
case kIOHIDElementTypeInput_Axis:
case kIOHIDElementTypeInput_Button:
/*
* This function replaces the constructor method in the JS library.
*/
-void fgJoystickInit( int ident )
+static void fghJoystickInit( int ident )
{
if( ident >= MAX_NUM_JOYSTICKS )
fgError( "Too large a joystick number: %d", ident );
}
/*
+ * Try initializing all the joysticks (well, both of them)
+ */
+void fgInitialiseJoysticks ( void )
+{
+ /* Initialization courtesy of OpenGLUT -- do we want it? */
+ if( !fgState.JoysticksInitialised )
+ {
+ int ident ;
+ for ( ident = 0; ident < MAX_NUM_JOYSTICKS; ident++ )
+ fghJoystickInit( ident );
+
+ fgState.JoysticksInitialised = GL_TRUE;
+ }
+}
+
+/*
*
*/
void fgJoystickClose( void )
}
/*
- * PWO: These jsJoystick class methods have not been implemented.
+ * Implementation for glutDeviceGet(GLUT_HAS_JOYSTICK)
+ */
+int fgJoystickDetect( void )
+{
+ int ident;
+
+ fgInitialiseJoysticks ();
+
+ if ( !fgJoystick )
+ return 0;
+
+ if ( !fgState.JoysticksInitialised )
+ return 0;
+
+ for( ident=0; ident<MAX_NUM_JOYSTICKS; ident++ )
+ if( fgJoystick[ident] && !fgJoystick[ident]->error )
+ return 1;
+
+ return 0;
+}
+
+/*
+ * Joystick information functions
*/
int glutJoystickGetNumAxes( int ident )
{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetNumAxes" );
return fgJoystick[ ident ]->num_axes;
}
+int glutJoystickGetNumButtons( int ident )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetNumButtons" );
+ return fgJoystick[ ident ]->num_buttons;
+}
int glutJoystickNotWorking( int ident )
{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickNotWorking" );
return fgJoystick[ ident ]->error;
}
float glutJoystickGetDeadBand( int ident, int axis )
{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetDeadBand" );
return fgJoystick[ ident ]->dead_band [ axis ];
}
void glutJoystickSetDeadBand( int ident, int axis, float db )
{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickSetDeadBand" );
fgJoystick[ ident ]->dead_band[ axis ] = db;
}
float glutJoystickGetSaturation( int ident, int axis )
{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetSaturation" );
return fgJoystick[ ident ]->saturate[ axis ];
}
void glutJoystickSetSaturation( int ident, int axis, float st )
{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickSetSaturation" );
fgJoystick[ ident ]->saturate [ axis ] = st;
}
void glutJoystickSetMinRange( int ident, float *axes )
{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickSetMinRange" );
memcpy( fgJoystick[ ident ]->min, axes,
fgJoystick[ ident ]->num_axes * sizeof( float ) );
}
void glutJoystickSetMaxRange( int ident, float *axes )
{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickSetMaxRange" );
memcpy( fgJoystick[ ident ]->max, axes,
fgJoystick[ ident ]->num_axes * sizeof( float ) );
}
void glutJoystickSetCenter( int ident, float *axes )
{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickSetCenter" );
memcpy( fgJoystick[ ident ]->center, axes,
fgJoystick[ ident ]->num_axes * sizeof( float ) );
}
void glutJoystickGetMinRange( int ident, float *axes )
{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetMinRange" );
memcpy( axes, fgJoystick[ ident ]->min,
fgJoystick[ ident ]->num_axes * sizeof( float ) );
}
void glutJoystickGetMaxRange( int ident, float *axes )
{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetMaxRange" );
memcpy( axes, fgJoystick[ ident ]->max,
fgJoystick[ ident ]->num_axes * sizeof( float ) );
}
void glutJoystickGetCenter( int ident, float *axes )
{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetCenter" );
memcpy( axes, fgJoystick[ ident ]->center,
fgJoystick[ ident ]->num_axes * sizeof( float ) );
}
projects / freeglut / blobdiff