GLFWAPI int glfwGetJoystickButtons(int joy,
unsigned char* buttons,
int numbuttons)
{
int i;
if (!_glfwInitialized)
{
_glfwSetError(GLFW_NOT_INITIALIZED, NULL);
return 0;
}
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
{
_glfwSetError(GLFW_INVALID_ENUM, NULL);
return 0;
}
if (buttons == NULL || numbuttons < 0)
{
_glfwSetError(GLFW_INVALID_VALUE, NULL);
return 0;
}
// Clear button states
for (i = 0; i < numbuttons; i++)
buttons[i] = GLFW_RELEASE;
return _glfwPlatformGetJoystickButtons(joy, buttons, numbuttons);
}
GLFWAPI const unsigned char* glfwGetJoystickButtons(int joy, int* count)
{
*count = 0;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, NULL);
return NULL;
}
return _glfwPlatformGetJoystickButtons(joy, count);
}
GLFWAPI const unsigned char* glfwGetJoystickButtons(int jid, int* count)
{
assert(count != NULL);
*count = 0;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (jid < 0 || jid > GLFW_JOYSTICK_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick %i", jid);
return NULL;
}
return _glfwPlatformGetJoystickButtons(jid, count);
}
GLFWAPI int GLFWAPIENTRY glfwGetJoystickButtons( int joy,
unsigned char *buttons,
int numbuttons )
{
int i;
if( !_glfwInitialized )
{
return 0;
}
// Clear button states
for( i = 0; i < numbuttons; i++ )
{
buttons[ i ] = GLFW_RELEASE;
}
return _glfwPlatformGetJoystickButtons( joy, buttons, numbuttons );
}