glfw/lib/joystick.c

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2010-09-07 17:34:51 +02:00
//========================================================================
// GLFW - An OpenGL framework
// Platform: Any
// API version: 2.7
// WWW: http://www.glfw.org/
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// 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"
//************************************************************************
//**** GLFW user functions ****
//************************************************************************
//========================================================================
// glfwGetJoystickParam() - Determine joystick capabilities
//========================================================================
GLFWAPI int glfwGetJoystickParam( int joy, int param )
{
// Is GLFW initialized?
if( !_glfwInitialized )
{
return 0;
}
return _glfwPlatformGetJoystickParam( joy, param );
}
//========================================================================
// glfwGetJoystickPos() - Get joystick axis positions
//========================================================================
GLFWAPI int glfwGetJoystickPos( int joy, float *pos, int numaxes )
{
int i;
// Is GLFW initialized?
if( !_glfwInitialized )
{
return 0;
}
// Clear positions
for( i = 0; i < numaxes; i++ )
{
pos[ i ] = 0.0f;
}
return _glfwPlatformGetJoystickPos( joy, pos, numaxes );
}
//========================================================================
// glfwGetJoystickButtons() - Get joystick button states
//========================================================================
GLFWAPI int glfwGetJoystickButtons( int joy,
unsigned char *buttons,
int numbuttons )
{
int i;
// Is GLFW initialized?
if( !_glfwInitialized )
{
return 0;
}
// Clear button states
for( i = 0; i < numbuttons; i++ )
{
buttons[ i ] = GLFW_RELEASE;
}
return _glfwPlatformGetJoystickButtons( joy, buttons, numbuttons );
}