92 lines
1.9 KiB
C
92 lines
1.9 KiB
C
#include <stdlib.h>
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#include "sprite.h"
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#include "util.h"
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static
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Sprite* sprite_create_default(void)
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{
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Sprite *s = ec_malloc(sizeof(Sprite));
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s->textures[0] = NULL;
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s->textures[1] = NULL;
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s->clip = (SDL_Rect) { 0, 0, 16, 16 };
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s->destroyTextures = false;
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s->pos = (Position) { 0, 0 };
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s->renderTimer = timer_create();
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s->texture_index = 0;
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s->fixed = false;
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return s;
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}
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Sprite* sprite_create()
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{
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return sprite_create_default();
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}
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void
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sprite_load_texture(Sprite *sprite,
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char *path,
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int index,
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SDL_Renderer *renderer)
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{
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if (index > 1)
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fatal("in sprite_load_texture() index out of bounds");
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if (sprite->destroyTextures && sprite->textures[index] != NULL) {
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texture_destroy(sprite->textures[index]);
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sprite->textures[index] = NULL;
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}
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sprite->textures[index] = texture_create();
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texture_load_from_file(sprite->textures[index], path, renderer);
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sprite->destroyTextures = true;
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}
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void
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sprite_set_texture(Sprite *s, Texture *t, int index)
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{
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if (index > 1)
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fatal("in sprite_set_texture() index out of bounds");
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if (s->destroyTextures)
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fatal("in sprite_set_texture() sprite contains loaded textures");
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s->textures[index] = t;
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}
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void sprite_render(Sprite *s, Camera *cam)
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{
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if (s->textures[1]) {
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if (!timer_started(s->renderTimer))
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timer_start(s->renderTimer);
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if (timer_get_ticks(s->renderTimer) > 300) {
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timer_stop(s->renderTimer);
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timer_start(s->renderTimer);
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s->texture_index = s->texture_index == 0 ? 1 : 0;
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}
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}
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Position cameraPos;
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if (!s->fixed)
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cameraPos = camera_to_camera_position(cam, &s->pos);
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else
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cameraPos = s->pos;
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texture_render_clip(s->textures[s->texture_index],
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&cameraPos,
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&s->clip,
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cam);
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}
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void sprite_destroy(Sprite *sprite)
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{
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if (sprite->destroyTextures) {
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if (sprite->textures[0])
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texture_destroy(sprite->textures[0]);
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if (sprite->textures[1])
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texture_destroy(sprite->textures[1]);
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}
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timer_destroy(sprite->renderTimer);
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free(sprite);
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}
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