Mercurial > molko
diff libmlk-rpg/rpg/walksprite.c @ 243:71b3b7036de7
misc: lot of cleanups,
- prefix libraries with libmlk,
- move assets from source directories closes #2520,
- prefix header guards closes #2519
author | David Demelier <markand@malikania.fr> |
---|---|
date | Sat, 28 Nov 2020 22:37:30 +0100 |
parents | librpg/rpg/walksprite.c@86b71e1f9dd5 |
children | d01e83210ca2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libmlk-rpg/rpg/walksprite.c Sat Nov 28 22:37:30 2020 +0100 @@ -0,0 +1,69 @@ +/* + * walksprite.c -- sprite designed for walking entities + * + * Copyright (c) 2020 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 <assert.h> +#include <string.h> + +#include <core/sprite.h> + +#include "walksprite.h" + +void +walksprite_init(struct walksprite *ws, struct sprite *sprite, unsigned int delay) +{ + assert(ws); + assert(sprite); + + memset(ws, 0, sizeof (*ws)); + ws->sprite = sprite; + ws->delay = delay; +} + +void +walksprite_reset(struct walksprite *ws) +{ + assert(ws); + + ws->index = 0; +} + +void +walksprite_update(struct walksprite *ws, unsigned int ticks) +{ + assert(ws); + + ws->elapsed += ticks; + + if (ws->elapsed >= ws->delay) { + ws->index += 1; + + if (ws->index >= ws->sprite->ncols) + ws->index = 0; + + ws->elapsed = 0; + } +} + +void +walksprite_draw(const struct walksprite *ws, unsigned int orientation, int x, int y) +{ + assert(ws); + assert(orientation < 8); + + sprite_draw(ws->sprite, orientation, ws->index, x, y); +}