basic-game-framework/src/world.c

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2023-05-05 21:20:07 +00:00
#include "world.h"
object_t g_objects[WORLD_NUM_OBJECTS];
void world_clear() {
for(int i = 0; i < WORLD_NUM_OBJECTS; ++i) {
g_objects[i].active = 0;
g_objects[i].enabled = 0;
}
}
void object_draw_sprite(object_t* object) {
draw_sprite(&object->sprite);
}
object_t* _find_free_object() {
for(int i = 0; i < WORLD_NUM_OBJECTS; ++i) {
if(g_objects[i].active == 0) {
return g_objects + i;
}
}
return NULL;
}
object_t* make_object() {
object_t* o = _find_free_object();
o->active = 1;
o->enabled = 1;
o->evt_draw = &object_draw_sprite;
o->evt_update = NULL;
memset(&o->sprite, 0, sizeof(sprite_t));
return o;
}
object_t* instantiate_object(const object_t *original) {
object_t* obj = make_object();
*obj = *original;
obj->active = 1;
return obj;
}
void update_objects() {
for(int i = 0; i < WORLD_NUM_OBJECTS; ++i) {
if(g_objects[i].active == 1
&& g_objects[i].enabled == 1
&& g_objects[i].evt_update != NULL) {
g_objects[i].evt_update(g_objects + i);
}
}
}
void draw_objects() {
for(int i = 0; i < WORLD_NUM_OBJECTS; ++i) {
if(g_objects[i].active == 1
&& g_objects[i].enabled == 1
&& g_objects[i].evt_draw != NULL) {
g_objects[i].evt_draw(g_objects + i);
}
}
}