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#include "StdAfx.h"
char useGetNumJoysticks[] = "numJoysticks = JOYSTICK('GetNumJoysticks')";
char synopsisGetNumJoysticks[] = "Get the number of joysticks connected to the system. "
"Returns the number of joystick devices currently connected to your computer "
"Each joystick is assigned a number in the range of 1 to the value returned by 'GetNumJoysticks'. "
"Use the assigned number to refer to a joystick when calling JOYSTICK "
"subfunctions such as 'GetButtons' which read the joystick state. "
"Assigned numbers change when you unplug or add joysticks, or reboot your computer. "
"Therefore, do not hard-code the numbers into you software. Instead, you can use "
"JOYSTICK subfunction 'GetJoystickNumberFromName' to identify a particular model of joystick.";
void JOYSTICKGetNumJoysticks(int nlhs, mxArray *plhs[], int nrhs, CONSTmxArray *prhs[])
{
ProjectTable *joystickTable=GetProjectTable();
int numJoysticks;
plhs; prhs;
if(joystickTable->giveHelp){GiveHelp(useGetNumJoysticks,synopsisGetNumJoysticks);return;}
if (joystickTable->joystickNumberArgument != NULL || nlhs > 1 || nrhs > 0)
GiveUsageExit(useGetNumJoysticks);
plhs[0]=mxCreateDoubleMatrix(1,1,mxREAL);
numJoysticks = SDL_NumJoysticks();
mxGetPr(plhs[0])[0]=(double)numJoysticks;
}
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