129 lines
2.5 KiB
C
129 lines
2.5 KiB
C
#include <stdlib.h>
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#include <stdbool.h>
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#include "menu.h"
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#include "util.h"
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#include "sprite.h"
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#include "defines.h"
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#include "gui_button.h"
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#include "keyboard.h"
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#include "mixer.h"
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typedef struct MenuItems_t {
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Sprite *sprite;
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Sprite *hsprite;
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GuiButton *button;
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} MenuItem;
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Menu *
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menu_create(void)
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{
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Menu *menu = ec_malloc(sizeof(Menu));
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menu->items = linkedlist_create();
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menu->selected = 0;
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return menu;
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}
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void
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menu_handle_event(Menu *m, SDL_Event *event)
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{
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LinkedList *items;
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bool reset_buttons = false;
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bool trigger_button = false;
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if (keyboard_direction_press(UP, event)) {
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m->selected--;
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reset_buttons = true;
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} else if (keyboard_direction_press(DOWN, event)) {
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m->selected++;
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reset_buttons = true;
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} else if (keyboard_press(SDLK_RETURN, event)) {
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trigger_button = true;
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}
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m->selected = m->selected % linkedlist_size(m->items);
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if (trigger_button) {
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MenuItem *item = linkedlist_get(&m->items, m->selected);
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if (item->button->event)
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item->button->event(item->button->usrdata);
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return;
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}
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if (reset_buttons)
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mixer_play_effect(CLICK);
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int current_select = 0;
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bool mouse_selection = false;
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items = m->items;
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while (items) {
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MenuItem *item = items->data;
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items = items->next;
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if (reset_buttons)
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item->button->hover = false;
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gui_button_handle_event(item->button, event);
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if (item->button->hover) {
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m->selected = current_select;
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mouse_selection = true;
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}
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current_select++;
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}
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if (!mouse_selection)
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((MenuItem*) linkedlist_get(&m->items, m->selected))->button->hover = true;
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}
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void
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menu_item_add(Menu *m, Sprite *s1, Sprite *s2, void (*event)(void*))
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{
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MenuItem *item = ec_malloc(sizeof(MenuItem));
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item->sprite = s1;
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item->hsprite = s2;
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SDL_Rect area = {
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item->sprite->pos.x,
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item->sprite->pos.y,
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item->sprite->textures[0]->dim.width,
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item->sprite->textures[0]->dim.height
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};
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item->button = gui_button_create(area, event, NULL);
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linkedlist_append(&m->items, item);
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}
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void
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menu_render(Menu *m, Camera *cam)
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{
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LinkedList *items = m->items;
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while (items) {
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MenuItem *item = items->data;
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items = items->next;
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if (item->button->hover)
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sprite_render(item->hsprite, cam);
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else
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sprite_render(item->sprite, cam);
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}
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}
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static void
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menu_item_destroy(MenuItem *item)
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{
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if (item->sprite)
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sprite_destroy(item->sprite);
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if (item->hsprite)
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sprite_destroy(item->hsprite);
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gui_button_destroy(item->button);
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free(item);
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}
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void
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menu_destroy(Menu *m)
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{
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while (m->items)
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menu_item_destroy(linkedlist_pop(&m->items));
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free(m);
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}
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