Mercurial > molko
view src/libmlk-core/core/script.c @ 341:0c18acf4517e
js: add music bindings
author | David Demelier <markand@malikania.fr> |
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date | Sat, 16 Oct 2021 09:45:45 +0200 |
parents | 8f9937403749 |
children | 460c78706989 |
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/* * script.c -- convenient sequence of actions * * 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 <assert.h> #include <stdlib.h> #include <string.h> #include "action.h" #include "error.h" #include "script.h" static struct action * current(struct script *s) { if (s->cur >= s->actionsz) return NULL; return s->actions[s->cur]; } static void handle(struct action *a, const union event *ev) { script_handle(a->data, ev); } static int update(struct action *a, unsigned int ticks) { return script_update(a->data, ticks); } static void draw(struct action *a) { script_draw(a->data); } static void finish(struct action *a) { script_finish(a->data); } void script_init(struct script *s) { assert(s); memset(s, 0, sizeof (*s)); } int script_append(struct script *s, struct action *a) { assert(s); assert(a); if (s->actionsz >= SCRIPT_ACTION_MAX) return errorf("script is full"); s->actions[s->actionsz++] = a; return 0; } void script_handle(struct script *s, const union event *ev) { assert(s); assert(ev); struct action *a = current(s); if (a) action_handle(a, ev); } int script_update(struct script *s, unsigned int ticks) { assert(s); struct action *a = current(s); if (!a) return 1; if (action_update(a, ticks)) { action_end(a); s->cur++; } return s->cur >= s->actionsz; } void script_draw(struct script *s) { assert(s); struct action *a = current(s); if (a) action_draw(a); } int script_completed(const struct script *s) { assert(s); return s->cur >= s->actionsz; } void script_finish(struct script *s) { assert(s); for (size_t i = 0; i < s->actionsz; ++i) action_finish(s->actions[i]); memset(s, 0, sizeof (*s)); } void script_action(struct script *s, struct action *action) { assert(s); assert(action); memset(action, 0, sizeof (*action)); action->data = s; action->handle = handle; action->update = update; action->draw = draw; action->finish = finish; }