Mercurial > molko
view examples/example-sprite/main.c @ 314:d01e83210ca2
misc: update years
author | David Demelier <markand@malikania.fr> |
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date | Wed, 22 Sep 2021 07:22:20 +0200 |
parents | 3638b39ef2bf |
children |
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/* * example-sprite.c -- example on how to use sprites * * Copyright (c) 2020-2021 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 <core/core.h> #include <core/event.h> #include <core/game.h> #include <core/image.h> #include <core/key.h> #include <core/painter.h> #include <core/panic.h> #include <core/image.h> #include <core/sprite.h> #include <core/state.h> #include <core/sys.h> #include <core/texture.h> #include <core/util.h> #include <core/window.h> #include <ui/align.h> #include <ui/label.h> #include <ui/ui.h> #define W 1280 #define H 720 #define PATH(r) util_pathf("%s/mlk-adventure/%s", sys_dir(SYS_DIR_DATA), r) #define HEADER "Keys: <Left>/<Right> and <Up/Down> to select a column/row. Current: %u, %u (total %u/%u)" static char msg[512]; static struct texture texture; static struct sprite sprite; static unsigned int row, column; static struct label help = { .x = 10, .y = 10, .text = msg, .flags = LABEL_FLAGS_SHADOW }; static void changed(void) { snprintf(msg, sizeof (msg), HEADER, column, row, sprite.ncols, sprite.nrows); } static void init(void) { if (core_init("fr.malikania", "sprite") < 0 || ui_init() < 0) panic(); if (window_open("Example - Sprite", W, H) < 0) panic(); if (image_open(&texture, PATH("sprites/people.png")) < 0) panic(); sprite_init(&sprite, &texture, 48, 48); } static void handle(struct state *st, const union event *ev) { (void)st; switch (ev->type) { case EVENT_KEYDOWN: switch (ev->key.key) { case KEY_LEFT: if (column > 0) column--; break; case KEY_RIGHT: if (column + 1 < sprite.ncols) column++; break; case KEY_UP: if (row > 0) row--; break; case KEY_DOWN: if (row + 1 < sprite.nrows) row++; break; default: break; } changed(); break; case EVENT_QUIT: game_quit(); break; default: break; } } static void draw(struct state *st) { (void)st; int x, y; painter_set_color(0xebede9ff); painter_clear(); align(ALIGN_CENTER, &x, &y, sprite.cellw, sprite.cellh, 0, 0, W, H); sprite_draw(&sprite, row, column, x, y); label_draw(&help); painter_present(); } static void run(void) { struct state state = { .handle = handle, .draw = draw }; changed(); game_push(&state); game_loop(); } static void quit(void) { texture_finish(&texture); window_finish(); ui_finish(); core_finish(); } int main(int argc, char **argv) { (void)argc; (void)argv; init(); run(); quit(); }