Mercurial > molko
view examples/example-drawable/example-drawable.c @ 469:0d6206cee6b9
core: state -> mlk_state
author | David Demelier <markand@malikania.fr> |
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date | Mon, 27 Feb 2023 11:11:23 +0100 |
parents | 91ce23a36143 |
children | bc5483849614 |
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/* * example-drawable.c -- example on how to use automatic drawables * * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <stdio.h> #include <stdlib.h> #include <mlk/core/alloc.h> #include <mlk/core/animation.h> #include <mlk/core/core.h> #include <mlk/core/event.h> #include <mlk/core/game.h> #include <mlk/core/drawable.h> #include <mlk/core/drawable-stack.h> #include <mlk/core/key.h> #include <mlk/core/painter.h> #include <mlk/core/panic.h> #include <mlk/core/sys.h> #include <mlk/core/image.h> #include <mlk/core/sprite.h> #include <mlk/core/state.h> #include <mlk/core/texture.h> #include <mlk/core/util.h> #include <mlk/core/window.h> #include <mlk/ui/label.h> #include <mlk/ui/theme.h> #include <mlk/ui/ui.h> #include <assets/sprites/explosion.h> #define W 1280 #define H 720 static struct label help = { .x = 10, .y = 10, .text = "Keys: <Esc> to reset. Click anywhere to spawn a drawable.", .flags = LABEL_FLAGS_SHADOW }; static struct mlk_state *states[1]; static struct mlk_drawable *drawables[64]; static struct mlk_drawable_stack stack; /* * List of drawables for this example. * ----------------------------------------------------------------------------- */ /* 0: Explosion animation. */ static struct texture explosion_tex; static struct mlk_sprite explosion_sprite; struct explosion { struct mlk_animation anim; struct mlk_drawable dw; }; static void init(void) { if (mlk_core_init("fr.malikania", "example-drawable") < 0 || ui_init() < 0) mlk_panic(); if (window_open("Example - Drawable", W, H) < 0) mlk_panic(); /* 0: Explosion animation. */ if (mlk_image_openmem(&explosion_tex, assets_sprites_explosion, sizeof (assets_sprites_explosion)) < 0) mlk_panic(); mlk_sprite_init(&explosion_sprite, &explosion_tex, 256, 256); } static int explosion_update(struct mlk_drawable *dw, unsigned int ticks) { struct explosion *ex = dw->data; return mlk_animation_update(&ex->anim, ticks); } static void explosion_draw(struct mlk_drawable *dw) { struct explosion *ex = dw->data; mlk_animation_draw(&ex->anim, ex->dw.x, ex->dw.y); } static void explosion_finish(struct mlk_drawable *dw) { mlk_alloc_free(dw->data); } static void spawn(int x, int y) { struct explosion *ex = mlk_alloc_new0(1, sizeof (*ex)); mlk_animation_init(&ex->anim, &explosion_sprite, 15); ex->dw.data = ex; ex->dw.x = x - (int)(explosion_sprite.cellw / 2); ex->dw.y = y - (int)(explosion_sprite.cellh / 2); ex->dw.update = explosion_update; ex->dw.draw = explosion_draw; ex->dw.finish = explosion_finish; mlk_drawable_stack_add(&stack, &ex->dw); } static void handle(struct mlk_state *st, const union mlk_event *ev) { (void)st; switch (ev->type) { case MLK_EVENT_KEYDOWN: switch (ev->key.key) { case MLK_KEY_ESCAPE: mlk_drawable_stack_finish(&stack); break; default: break; } break; case MLK_EVENT_CLICKDOWN: spawn(ev->click.x, ev->click.y); break; case MLK_EVENT_QUIT: mlk_game_quit(); break; default: break; } } static void update(struct mlk_state *st, unsigned int ticks) { (void)st; mlk_drawable_stack_update(&stack, ticks); } static void draw(struct mlk_state *st) { (void)st; mlk_painter_set_color(0xebede9ff); mlk_painter_clear(); label_draw(&help); mlk_drawable_stack_draw(&stack); mlk_painter_present(); } static void run(void) { struct mlk_state state = { .handle = handle, .update = update, .draw = draw }; mlk_drawable_stack_init(&stack, drawables, UTIL_SIZE(drawables)); mlk_game_init(states, UTIL_SIZE(states)); mlk_game_push(&state); mlk_game_loop(); } static void quit(void) { window_finish(); ui_finish(); mlk_core_finish(); } int main(int argc, char **argv) { (void)argc; (void)argv; init(); run(); quit(); }