Mercurial > molko
view examples/example-sprite/example-sprite.c @ 609:d97674d33764
ui: grid menu be more flexible
author | David Demelier <markand@malikania.fr> |
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date | Fri, 11 Aug 2023 18:01:28 +0200 |
parents | c7664b679a95 |
children |
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/* * example-sprite.c -- example on how to use sprites * * 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 <mlk/core/core.h> #include <mlk/core/err.h> #include <mlk/core/event.h> #include <mlk/core/game.h> #include <mlk/core/image.h> #include <mlk/core/key.h> #include <mlk/core/painter.h> #include <mlk/core/panic.h> #include <mlk/core/image.h> #include <mlk/core/sprite.h> #include <mlk/core/state.h> #include <mlk/core/sys.h> #include <mlk/core/texture.h> #include <mlk/core/util.h> #include <mlk/core/window.h> #include <mlk/ui/align.h> #include <mlk/ui/label.h> #include <mlk/ui/ui.h> #include <mlk/example/example.h> #include <mlk/example/registry.h> #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 mlk_sprite *sprite; static unsigned int row, column; static struct mlk_label help = { .x = 10, .y = 10, .text = msg }; static void changed(void) { snprintf(msg, sizeof (msg), HEADER, column, row, sprite->ncols, sprite->nrows); } static void init(void) { if (mlk_example_init("example-sprite") < 0) mlk_panic(); sprite = &mlk_registry_sprites[MLK_REGISTRY_TEXTURE_PEOPLE]; } 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_LEFT: if (column > 0) column--; break; case MLK_KEY_RIGHT: if (column + 1 < sprite->ncols) column++; break; case MLK_KEY_UP: if (row > 0) row--; break; case MLK_KEY_DOWN: if (row + 1 < sprite->nrows) row++; break; default: break; } changed(); break; case MLK_EVENT_QUIT: mlk_game_quit(); break; default: break; } } static void draw(struct mlk_state *st) { (void)st; int x, y; mlk_painter_set_color(MLK_EXAMPLE_BG); mlk_painter_clear(); mlk_align(MLK_ALIGN_CENTER, &x, &y, sprite->cellw, sprite->cellh, 0, 0, mlk_window.w, mlk_window.h); mlk_sprite_draw(sprite, row, column, x, y); mlk_label_draw(&help); mlk_painter_present(); } static void run(void) { struct mlk_state state = { .handle = handle, .draw = draw }; changed(); mlk_game_init(); mlk_game_push(&state); mlk_game_loop(); } static void quit(void) { mlk_example_finish(); } int main(int argc, char **argv) { (void)argc; (void)argv; init(); run(); quit(); }