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#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "vga.h"
#include "entities.h"
#include "effect.h"
#define MAX_FRAME 3
static const Rect frames[2 * 4] =
{
{ 96, 16, 144, 144 },
{ 112, 16, 144, 144 },
{ 128, 16, 144, 144 },
/* not used */
{ 0, 0, 144, 144 },
{ 0, 0, 144, 144 },
{ 0, 0, 144, 144 },
{ 0, 0, 144, 144 },
{ 0, 0, 144, 144 }
};
void effect_out_new(uint16_t x, uint16_t y)
{
Entity *e = entities_new();
#ifdef DEBUG
if (!e)
{
set_mode(3);
fprintf(stderr, "ERROR: run out of entities\n");
exit(1);
}
#endif
e->x = x;
e->y = y;
effect_out_init(e);
}
void effect_out_init(Entity *e)
{
e->frames = (const Rect *)frames;
e->dir = DIR_RIGHT;
e->frame = 1;
e->delay = 0;
e->update = effect_out_update;
}
void effect_out_update(Entity *e)
{
if (e->delay++ == WALK_DELAY - 2)
{
e->delay = 0;
e->frame++;
if (e->frame == MAX_FRAME)
e->used = USED_FREE;
}
}
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