133 lines
3.0 KiB
C
133 lines
3.0 KiB
C
/*
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* BreakHack - A dungeone crawler RPG
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* Copyright (C) 2018 Linus Probert <linus.probert@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#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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static void
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handle_keyboard_input(Menu *m, Input *input)
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{
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int lastSelect = -1;
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if (input_key_is_pressed(input, KEY_UP)) {
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lastSelect = m->selected;
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m->selected--;
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} else if (input_key_is_pressed(input, KEY_DOWN)) {
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lastSelect = m->selected;
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m->selected++;
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} else if (input_key_is_pressed(input, KEY_ENTER)) {
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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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} else {
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return;
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}
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m->selected = m->selected % linkedlist_size(m->items);
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if (lastSelect != -1)
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mixer_play_effect(CLICK);
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((MenuItem*) linkedlist_get(&m->items, lastSelect))->button->hover = false;
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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_update(Menu *m, Input *input)
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{
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handle_keyboard_input(m, input);
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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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if (linkedlist_size(m->items) == 0)
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item->button->hover = true;
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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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