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https://github.com/glfw/glfw.git
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129 lines
3.7 KiB
C
129 lines
3.7 KiB
C
//========================================================================
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// GLFW - An OpenGL library
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// Platform: Any
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// API version: 3.0
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// WWW: http://www.glfw.org/
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h"
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//////////////////////////////////////////////////////////////////////////
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////// GLFW public API //////
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//////////////////////////////////////////////////////////////////////////
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//========================================================================
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// Determine joystick capabilities
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//========================================================================
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GLFWAPI int glfwGetJoystickParam(int joy, int param)
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{
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if (!_glfwInitialized)
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{
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_glfwSetError(GLFW_NOT_INITIALIZED, NULL);
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return 0;
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}
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if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
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{
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_glfwSetError(GLFW_INVALID_ENUM, NULL);
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return 0;
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}
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return _glfwPlatformGetJoystickParam(joy, param);
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}
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//========================================================================
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// Get joystick axis positions
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//========================================================================
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GLFWAPI int glfwGetJoystickAxes(int joy, float* axes, int numaxes)
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{
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int i;
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if (!_glfwInitialized)
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{
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_glfwSetError(GLFW_NOT_INITIALIZED, NULL);
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return 0;
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}
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if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
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{
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_glfwSetError(GLFW_INVALID_ENUM, NULL);
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return 0;
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}
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if (axes == NULL || numaxes < 0)
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{
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_glfwSetError(GLFW_INVALID_VALUE, NULL);
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return 0;
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}
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// Clear positions
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for (i = 0; i < numaxes; i++)
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axes[i] = 0.0f;
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return _glfwPlatformGetJoystickAxes(joy, axes, numaxes);
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}
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//========================================================================
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// Get joystick button states
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//========================================================================
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GLFWAPI int glfwGetJoystickButtons(int joy,
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unsigned char* buttons,
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int numbuttons)
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{
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int i;
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if (!_glfwInitialized)
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{
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_glfwSetError(GLFW_NOT_INITIALIZED, NULL);
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return 0;
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}
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if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
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{
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_glfwSetError(GLFW_INVALID_ENUM, NULL);
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return 0;
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}
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if (buttons == NULL || numbuttons < 0)
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{
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_glfwSetError(GLFW_INVALID_VALUE, NULL);
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return 0;
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}
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// Clear button states
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for (i = 0; i < numbuttons; i++)
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buttons[i] = GLFW_RELEASE;
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return _glfwPlatformGetJoystickButtons(joy, buttons, numbuttons);
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}
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