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#include "TZR_events.h"
#include "TZR_resource.h"
#include "TZR_globals.h"
#include <SDL2/SDL_scancode.h>
#include <limits.h>
void
next_state(TZR_KeyState *keystate)
{
switch (*keystate) {
case TZR_KEYSTATE_RELEASE:
case TZR_KEYSTATE_UP:
*keystate = TZR_KEYSTATE_UP;
break;
case TZR_KEYSTATE_PRESS:
case TZR_KEYSTATE_DOWN:
*keystate = TZR_KEYSTATE_DOWN;
break;
default:
break;
}
}
static void
get_axis(SDL_GameController *gc, float *out, SDL_GameControllerAxis axis)
{
const Sint16 v = SDL_GameControllerGetAxis(gc, axis);
if (v > -16384 && v < 16384)
*out = 0.0f;
else
*out = (float)v / INT16_MAX;
}
void
TZR_CycleEvents(void)
{
TZR_ResourcesWatch();
for (int i = 0; i < SDL_NUM_SCANCODES; i++)
next_state(&___tzr_keystates[i]);
for (int i = 0; i < 256; i++)
next_state(&___tzr_mousestates[i]);
for (int i = 0; i < SDL_CONTROLLER_BUTTON_MAX; i++)
next_state(&___tzr_joystates[i]);
TZR_Event e;
while (TZR_PollEvent(&e))
;
for (size_t i = 0; i < ___tzr_joysticks_size; i++) {
TZR_Joystick *const jstick = &___tzr_joysticks[i];
if (jstick->ptr == NULL)
continue;
for (int k = 0; k < SDL_CONTROLLER_BUTTON_MAX; k++) {
if (SDL_GameControllerGetButton(jstick->ptr, k)) {
if (___tzr_joystates[k] != TZR_KEYSTATE_DOWN)
___tzr_joystates[k] = TZR_KEYSTATE_PRESS;
} else {
if (___tzr_joystates[k] != TZR_KEYSTATE_UP)
___tzr_joystates[k] = TZR_KEYSTATE_RELEASE;
}
}
get_axis(jstick->ptr, &jstick->leftx, SDL_CONTROLLER_AXIS_LEFTX);
get_axis(jstick->ptr, &jstick->lefty, SDL_CONTROLLER_AXIS_LEFTY);
get_axis(jstick->ptr, &jstick->rightx, SDL_CONTROLLER_AXIS_RIGHTX);
get_axis(jstick->ptr, &jstick->righty, SDL_CONTROLLER_AXIS_RIGHTY);
}
}
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