breakhack/src/menu.c

92 lines
1.6 KiB
C
Raw Normal View History

#include <stdbool.h>
#include "menu.h"
#include "util.h"
#include "sprite.h"
#include "defines.h"
#include "gui_button.h"
typedef struct MenuItems_t {
Sprite *sprite;
Sprite *hsprite;
GuiButton *button;
bool selected;
} MenuItem;
Menu *
menu_create(void)
{
Menu *menu = ec_malloc(sizeof(Menu));
menu->items = linkedlist_create();
menu->selected = 0;
return menu;
}
void
menu_handle_event(Menu *m, SDL_Event *event)
{
LinkedList *items;
items = m->items;
while (items) {
MenuItem *item = items->data;
items = items->next;
gui_button_handle_event(item->button, event);
item->selected = item->button->hover;
}
}
void
menu_item_add(Menu *m, Sprite *s1, Sprite *s2, void (*event)(void*))
{
MenuItem *item = ec_malloc(sizeof(MenuItem));
item->sprite = s1;
item->hsprite = s2;
item->selected = false;
SDL_Rect area = {
item->sprite->pos.x,
item->sprite->pos.y,
item->sprite->textures[0]->dim.width,
item->sprite->textures[0]->dim.height
};
item->button = gui_button_create(area, event, NULL);
linkedlist_append(&m->items, item);
}
void
menu_render(Menu *m, Camera *cam)
{
LinkedList *items = m->items;
while (items) {
MenuItem *item = items->data;
2018-02-09 09:36:24 +01:00
items = items->next;
if (item->selected)
sprite_render(item->hsprite, cam);
else
sprite_render(item->sprite, cam);
}
2018-02-09 09:36:24 +01:00
}
static void
menu_item_destroy(MenuItem *item)
{
if (item->sprite)
sprite_destroy(item->sprite);
if (item->hsprite)
sprite_destroy(item->hsprite);
gui_button_destroy(item->button);
free(item);
}
void
menu_destroy(Menu *m)
{
2018-02-09 09:36:24 +01:00
while (m->items)
menu_item_destroy(linkedlist_pop(&m->items));
free(m);
}