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https://github.com/kichikuou/xsystem35-sdl2.git
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103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
/*
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* sprite_anime.c: アニメーションスプライト特有の処理
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*
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* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
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* 1998- <masaki-c@is.aist-nara.ac.jp>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/* $Id: sprite_anime.c,v 1.1 2003/04/22 16:29:52 chikama Exp $ */
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#include "config.h"
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#include <stdio.h>
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#include <glib.h>
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#include "portab.h"
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#include "system.h"
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#include "ags.h"
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#include "counter.h"
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#include "sact.h"
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#include "sprite.h"
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static int eventCB_ANIM(sprite_t *sp, agsevent_t *e);
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static void cb_remove(sprite_t *sp);
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// アニメーションスプライト
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static int eventCB_ANIM(sprite_t *sp, agsevent_t *e) {
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int now;
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// コールバックがタイマイベントかどうか
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if (e->type != AGSEVENT_TIMER) return 0;
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// 現在時刻の取得
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now = get_high_counter(SYSTEMCOUNTER_MSEC);
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// 指定時間までスキップ
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if ((now - sp->u.anime.starttime) < sp->u.anime.interval) return 0;
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// 新しい時間を保存
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sp->u.anime.starttime = now;
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// 次に表示するCGをセット
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switch(sp->u.anime.tick % sp->u.anime.npat) {
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case 0:
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sp->curcg = sp->cg1; break;
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case 1:
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sp->curcg = sp->cg2; break;
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case 2:
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sp->curcg = sp->cg3; break;
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}
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// WARNING("anime update\n");
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// カウントアップ
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sp->u.anime.tick++;
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sp_updateme(sp);
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return 1;
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}
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// スプライト削除時の処理
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static void cb_remove(sprite_t *sp) {
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spev_remove_teventlistener(sp);
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}
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/*
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sp_new の時にスプライトの種類毎の初期化
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@param sp: 初期化するスプライト
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*/
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int sp_anime_setup(sprite_t *sp) {
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int n = 0;
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sp->u.anime.interval = 500; // デフォルトの間隔 0.5秒
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sp->u.anime.starttime = get_high_counter(SYSTEMCOUNTER_MSEC); // 開始時刻
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sp->u.anime.tick = 0; // カウンタ初期化
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// アニメパターンはいくつあるか
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if (sp->cg1) n++;
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if (sp->cg2) n++;
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if (sp->cg3) n++;
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sp->u.anime.npat = n;
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spev_add_teventlistener(sp, eventCB_ANIM);
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sp->remove = cb_remove;
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return OK;
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}
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