/*	special thanx fly to Metrowerks.		*/
	

#include <libps.h>

#include "commondef.h"
#include "joypad.h"

volatile unsigned char *joystickData1, *joystickData2;

void InitPads(void)
{
	// Set-up so we can read the joysticks
	GetPadBuf(&joystickData1, &joystickData2);
}


void UpdatePads(void)
{
	// Keep track of which buttons were not down during the last call

	// Current button state
	int currentJoy1, currentJoy2;

	// Take a snapshot of the joystick state
	currentJoy1 = 0xffff^((joystickData1[2] << 8) + joystickData1[3]);
	currentJoy2 = 0xffff^((joystickData2[2] << 8) + joystickData2[3]);

	// Mark which buttons were just depressed
	newlyDown1 = currentJoy1 & (~previousJoyDown1);
	newlyDown2 = currentJoy2 & (~previousJoyDown2);

	// Mark which buttons were just released
	newlyUp1 = (~currentJoy1) & previousJoyDown1;
	newlyUp2 = (~currentJoy2) & previousJoyDown2;

	// Keep current state for later
	previousJoyDown1 = currentJoy1;
	previousJoyDown2 = currentJoy2;
}


void GetButtonsState(int *joy1, int *joy2)
{
	*joy1 = previousJoyDown1;
	*joy2 = previousJoyDown2;
}


void GetNewlyDownButtons(int *joy1, int *joy2)
{
	*joy1 = newlyDown1;
	*joy2 = newlyDown2;
}


void GetNewlyUpButtons(int *joy1, int *joy2)
{
	*joy1 = newlyUp1;
	*joy2 = newlyUp2;
}