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/*
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.
NOTE FOR SPELUNKERS: this requires linking to xinput1_4 AFAIK
*/
#include "controller.h"
#include <stdio.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)
{
// If game code is surpassing this something is wrong!!
assert(strength >= 0.f && strength <= 1.f);
XINPUT_VIBRATION state = {};
state.wLeftMotorSpeed = (unsigned)(strength * 65535.0f);
state.wRightMotorSpeed = (unsigned)(strength * 65535.0f);
if (XInputSetState(0, &state) == 0){
timer = FP_TO_FIXED(duration);
}
}
void poll_rumble(f32 dt)
{
// Early return
if(timer <= 0)
return;
fx32 delta = FP_TO_FIXED(dt);
timer -= delta;
if(timer <= 0){
stop_rumble();
}
}
void stop_rumble(void)
{
timer = 0;
XINPUT_VIBRATION state = {};
state.wLeftMotorSpeed = 0;
state.wRightMotorSpeed = 0;
XInputSetState(0, &state);
}
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