/*
I made this a separate source file because Raylib has some quirks
regarding Windows compilation. And I also suppose because it has
some state of its own.
*/

#include "controller.h"

// Windows stuff starts //
typedef struct _XINPUT_VIBRATION {
    unsigned wLeftMotorSpeed;
    unsigned wRightMotorSpeed;
} XINPUT_VIBRATION;
unsigned int XInputSetState(unsigned int dwUserIndex, XINPUT_VIBRATION *pVibration);
// Windows stuff ends //

static fx32 timer = 0;

void set_rumble(f32 duration, f32 strength)
{
	XINPUT_VIBRATION state = {};
    state.wLeftMotorSpeed  = (unsigned)(strength * 65535.0f);
    state.wRightMotorSpeed = (unsigned)(strength * 65535.0f);

    if (XInputSetState(0, &state) == 0){
        timer = FIXED_POINT_ONE * duration;
    }
}

void poll_rumble(f32 dt)
{
	if(timer <= 0)
		return;
		
	fx32 delta = FIXED_POINT_ONE * dt;
	
	timer -= delta;
	if(timer <= 0){
		stop_rumble();
	}
}

void stop_rumble(void)
{
	timer = 0;
	
	XINPUT_VIBRATION state = {};
    state.wLeftMotorSpeed  = 0;
    state.wRightMotorSpeed = 0;
}