diff options
Diffstat (limited to 'src/engine/external/glfw/lib/x11/x11_joystick.c')
| -rw-r--r-- | src/engine/external/glfw/lib/x11/x11_joystick.c | 371 |
1 files changed, 0 insertions, 371 deletions
diff --git a/src/engine/external/glfw/lib/x11/x11_joystick.c b/src/engine/external/glfw/lib/x11/x11_joystick.c deleted file mode 100644 index 26d67d8c..00000000 --- a/src/engine/external/glfw/lib/x11/x11_joystick.c +++ /dev/null @@ -1,371 +0,0 @@ -//======================================================================== -// GLFW - An OpenGL framework -// File: x11_joystick.c -// Platform: X11 (Unix) -// API version: 2.6 -// WWW: http://glfw.sourceforge.net -//------------------------------------------------------------------------ -// Copyright (c) 2002-2006 Camilla Berglund -// -// This software is provided 'as-is', without any express or implied -// warranty. In no event will the authors be held liable for any damages -// arising from the use of this software. -// -// Permission is granted to anyone to use this software for any purpose, -// including commercial applications, and to alter it and redistribute it -// freely, subject to the following restrictions: -// -// 1. The origin of this software must not be misrepresented; you must not -// claim that you wrote the original software. If you use this software -// in a product, an acknowledgment in the product documentation would -// be appreciated but is not required. -// -// 2. Altered source versions must be plainly marked as such, and must not -// be misrepresented as being the original software. -// -// 3. This notice may not be removed or altered from any source -// distribution. -// -//======================================================================== - -#include "internal.h" - - -//======================================================================== -// Note: Only Linux joystick input is supported at the moment. Other -// systems will behave as if there are no joysticks connected. -//======================================================================== - -#ifdef linux -#define _GLFW_USE_LINUX_JOYSTICKS -#endif // linux - - - -//************************************************************************ -//**** GLFW internal functions **** -//************************************************************************ - -#ifdef _GLFW_USE_LINUX_JOYSTICKS - -//------------------------------------------------------------------------ -// Here are the Linux joystick driver v1.x interface definitions that we -// use (we do not want to rely on <linux/joystick.h>): -//------------------------------------------------------------------------ - -#include <sys/ioctl.h> -#include <fcntl.h> -#include <errno.h> - -// Joystick event types -#define JS_EVENT_BUTTON 0x01 /* button pressed/released */ -#define JS_EVENT_AXIS 0x02 /* joystick moved */ -#define JS_EVENT_INIT 0x80 /* initial state of device */ - -// Joystick event structure -struct js_event { - unsigned int time; /* (u32) event timestamp in milliseconds */ - signed short value; /* (s16) value */ - unsigned char type; /* (u8) event type */ - unsigned char number; /* (u8) axis/button number */ -}; - -// Joystick IOCTL commands -#define JSIOCGVERSION _IOR('j', 0x01, int) /* get driver version (u32) */ -#define JSIOCGAXES _IOR('j', 0x11, char) /* get number of axes (u8) */ -#define JSIOCGBUTTONS _IOR('j', 0x12, char) /* get number of buttons (u8) */ - -#endif // _GLFW_USE_LINUX_JOYSTICKS - - -//======================================================================== -// _glfwInitJoysticks() - Initialize joystick interface -//======================================================================== - -void _glfwInitJoysticks( void ) -{ -#ifdef _GLFW_USE_LINUX_JOYSTICKS - int k, n, fd, joy_count; - char *joy_base_name, joy_dev_name[ 20 ]; - int driver_version = 0x000800; - char ret_data; -#endif // _GLFW_USE_LINUX_JOYSTICKS - int i; - - // Start by saying that there are no sticks - for( i = 0; i <= GLFW_JOYSTICK_LAST; ++ i ) - { - _glfwJoy[ i ].Present = GL_FALSE; - } - -#ifdef _GLFW_USE_LINUX_JOYSTICKS - - // Try to open joysticks (nonblocking) - joy_count = 0; - for( k = 0; k <= 1 && joy_count <= GLFW_JOYSTICK_LAST; ++ k ) - { - // Pick joystick base name - switch( k ) - { - case 0: - joy_base_name = "/dev/input/js"; // USB sticks - break; - case 1: - joy_base_name = "/dev/js"; // "Legacy" sticks - break; - default: - continue; // (should never happen) - } - - // Try to open a few of these sticks - for( i = 0; i <= 50 && joy_count <= GLFW_JOYSTICK_LAST; ++ i ) - { - sprintf( joy_dev_name, "%s%d", joy_base_name, i ); - fd = open( joy_dev_name, O_NONBLOCK ); - if( fd != -1 ) - { - // Remember fd - _glfwJoy[ joy_count ].fd = fd; - - // Check that the joystick driver version is 1.0+ - ioctl( fd, JSIOCGVERSION, &driver_version ); - if( driver_version < 0x010000 ) - { - // It's an old 0.x interface (we don't support it) - close( fd ); - continue; - } - - // Get number of joystick axes - ioctl( fd, JSIOCGAXES, &ret_data ); - _glfwJoy[ joy_count ].NumAxes = (int) ret_data; - - // Get number of joystick buttons - ioctl( fd, JSIOCGBUTTONS, &ret_data ); - _glfwJoy[ joy_count ].NumButtons = (int) ret_data; - - // Allocate memory for joystick state - _glfwJoy[ joy_count ].Axis = - (float *) malloc( sizeof(float) * - _glfwJoy[ joy_count ].NumAxes ); - if( _glfwJoy[ joy_count ].Axis == NULL ) - { - close( fd ); - continue; - } - _glfwJoy[ joy_count ].Button = - (char *) malloc( sizeof(char) * - _glfwJoy[ joy_count ].NumButtons ); - if( _glfwJoy[ joy_count ].Button == NULL ) - { - free( _glfwJoy[ joy_count ].Axis ); - close( fd ); - continue; - } - - // Clear joystick state - for( n = 0; n < _glfwJoy[ joy_count ].NumAxes; ++ n ) - { - _glfwJoy[ joy_count ].Axis[ n ] = 0.0f; - } - for( n = 0; n < _glfwJoy[ joy_count ].NumButtons; ++ n ) - { - _glfwJoy[ joy_count ].Button[ n ] = GLFW_RELEASE; - } - - // The joystick is supported and connected - _glfwJoy[ joy_count ].Present = GL_TRUE; - joy_count ++; - } - } - } - -#endif // _GLFW_USE_LINUX_JOYSTICKS - -} - - -//======================================================================== -// _glfwTerminateJoysticks() - Close all opened joystick handles -//======================================================================== - -void _glfwTerminateJoysticks( void ) -{ - -#ifdef _GLFW_USE_LINUX_JOYSTICKS - - int i; - - // Close any opened joysticks - for( i = 0; i <= GLFW_JOYSTICK_LAST; ++ i ) - { - if( _glfwJoy[ i ].Present ) - { - close( _glfwJoy[ i ].fd ); - free( _glfwJoy[ i ].Axis ); - free( _glfwJoy[ i ].Button ); - _glfwJoy[ i ].Present = GL_FALSE; - } - } - -#endif // _GLFW_USE_LINUX_JOYSTICKS - -} - - -//======================================================================== -// _glfwPollJoystickEvents() - Empty joystick event queue -//======================================================================== - -static void _glfwPollJoystickEvents( void ) -{ - -#ifdef _GLFW_USE_LINUX_JOYSTICKS - - struct js_event e; - int i; - - // Get joystick events for all GLFW joysticks - for( i = 0; i <= GLFW_JOYSTICK_LAST; ++ i ) - { - // Is the stick present? - if( _glfwJoy[ i ].Present ) - { - // Read all queued events (non-blocking) - while( read(_glfwJoy[i].fd, &e, sizeof(struct js_event)) > 0 ) - { - // We don't care if it's an init event or not - e.type &= ~JS_EVENT_INIT; - - // Check event type - switch( e.type ) - { - case JS_EVENT_AXIS: - _glfwJoy[ i ].Axis[ e.number ] = (float) e.value / - 32767.0f; - // We need to change the sign for the Y axes, so that - // positive = up/forward, according to the GLFW spec. - if( e.number & 1 ) - { - _glfwJoy[ i ].Axis[ e.number ] = - -_glfwJoy[ i ].Axis[ e.number ]; - } - break; - - case JS_EVENT_BUTTON: - _glfwJoy[ i ].Button[ e.number ] = - e.value ? GLFW_PRESS : GLFW_RELEASE; - break; - - default: - break; - } - } - } - } - -#endif // _GLFW_USE_LINUX_JOYSTICKS - -} - - -//************************************************************************ -//**** Platform implementation functions **** -//************************************************************************ - -//======================================================================== -// _glfwPlatformGetJoystickParam() - Determine joystick capabilities -//======================================================================== - -int _glfwPlatformGetJoystickParam( int joy, int param ) -{ - // Is joystick present? - if( !_glfwJoy[ joy ].Present ) - { - return 0; - } - - switch( param ) - { - case GLFW_PRESENT: - return GL_TRUE; - - case GLFW_AXES: - return _glfwJoy[ joy ].NumAxes; - - case GLFW_BUTTONS: - return _glfwJoy[ joy ].NumButtons; - - default: - break; - } - - return 0; -} - - -//======================================================================== -// _glfwPlatformGetJoystickPos() - Get joystick axis positions -//======================================================================== - -int _glfwPlatformGetJoystickPos( int joy, float *pos, int numaxes ) -{ - int i; - - // Is joystick present? - if( !_glfwJoy[ joy ].Present ) - { - return 0; - } - - // Update joystick state - _glfwPollJoystickEvents(); - - // Does the joystick support less axes than requested? - if( _glfwJoy[ joy ].NumAxes < numaxes ) - { - numaxes = _glfwJoy[ joy ].NumAxes; - } - - // Copy axis positions from internal state - for( i = 0; i < numaxes; ++ i ) - { - pos[ i ] = _glfwJoy[ joy ].Axis[ i ]; - } - - return numaxes; -} - - -//======================================================================== -// _glfwPlatformGetJoystickButtons() - Get joystick button states -//======================================================================== - -int _glfwPlatformGetJoystickButtons( int joy, unsigned char *buttons, - int numbuttons ) -{ - int i; - - // Is joystick present? - if( !_glfwJoy[ joy ].Present ) - { - return 0; - } - - // Update joystick state - _glfwPollJoystickEvents(); - - // Does the joystick support less buttons than requested? - if( _glfwJoy[ joy ].NumButtons < numbuttons ) - { - numbuttons = _glfwJoy[ joy ].NumButtons; - } - - // Copy button states from internal state - for( i = 0; i < numbuttons; ++ i ) - { - buttons[ i ] = _glfwJoy[ joy ].Button[ i ]; - } - - return numbuttons; -} |