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/*
* sprite_move.c: ץ饤Ȥΰư˴ؤƼ
*
* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
* 1998- <masaki-c@is.aist-nara.ac.jp>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* $Id: sprite_move.c,v 1.1 2003/04/22 16:29:52 chikama Exp $ */
#include "config.h"
#include <stdio.h>
#include <math.h>
#include <glib.h>
#include "portab.h"
#include "system.h"
#include "imput.h"
#include "nact.h"
#include "sact.h"
#include "sprite.h"
#include "counter.h"
/*
SP_MOVE ˤ륹ץ饤ȤΰưϡSACT.DrawȯԤƱ
ưϤƤΰưλޤԤġ
ưϤޤǤ˺ޤϿ˺줿ץ饤Ȥ
ưʤΤ
*/
static void move_drain(sprite_t *sp);
static int move_cb(sprite_t *sp, agsevent_t *e);
// SP_MOVEޥɤθ
static void move_drain(sprite_t *sp) {
// Ťupdate
sp_updateme(sp);
// ǽư˥ץ饤Ȱ֤å
sp->cur = sp->loc = sp->move.to;
// 餷update
sp_updateme(sp);
// ǡmovelist 鳰Ƥ餦ν
sact.teventremovelist = g_slist_append(sact.teventremovelist, sp);
sp->move.moving = FALSE;
sp->move.time = 0; // ư֤ν
}
// SP_MOVE timer event callback
static int move_cb(sprite_t *sp, agsevent_t *e) {
int t, update = 0;
int now, newx, newy;
// μ
now = sact.movecurtime;
WARNING("no = %d now = %d st = %d, ed = %d\n",
sp->no, now, sp->move.starttime, sp->move.endtime);
if (now >= sp->move.endtime) {
// ֥Сʤ顢ǽ֤˰ưMOVEλ
move_drain(sp);
return 1;
}
// в
t = now - sp->move.starttime;
newx = sp->loc.x + t * (sp->move.to.x - sp->loc.x) / sp->move.time;
newy = sp->loc.y + t * (sp->move.to.y - sp->loc.y) / sp->move.time;
// ưƤ鿷֤Ͽƽؼ
if (newx != sp->cur.x || newy != sp->cur.y) {
// Ťupdate
sp_updateme(sp);
sp->cur.x = newx;
sp->cur.y = newy;
// update
sp_updateme(sp);
update++;
} else {
usleep(1);
}
return update;
}
/*
SP_MOVEޥɡưν
@param data: sprite
@param userdata: ̤
*/
void spev_move_setup(gpointer data, gpointer userdata) {
sprite_t *sp = (sprite_t *)data;
// ɽΤΤϰưʤ(Τ)
if (!sp->show) return;
// move ϻεϿ
sp->move.starttime = sact.movestarttime;
sp->move.moving = TRUE;
// MOVE_SPEED ꤷϡư̤θưư֤
if (sp->move.time == -1) {
// speed time
int dx = sp->move.to.x - sp->loc.x;
int dy = sp->move.to.y - sp->loc.y;
int d = (int)sqrt(dx*dx+dy*dy);
sp->move.time = d * 100 / sp->move.speed;
}
// move λͽ
sp->move.endtime = sp->move.starttime + sp->move.time;
// ޥХåϿ
spev_add_teventlistener(sp, move_cb);
WARNING("no=%d,from(%d,%d@%d)to(%d,%d@%d),time=%d\n", sp->no,
sp->cur.x, sp->cur.y, sp->move.starttime,
sp->move.to.x, sp->move.to.y, sp->move.endtime,
sp->move.time);
}
/*
ץ饤ȤΰưꤷưˤޤԤ
@param sp: оݥץ饤
@param dx: ưغɸ
@param dy: ưٺɸ
@param time: ư®
*/
void spev_move_waitend(sprite_t *sp, int dx, int dy, int time) {
sp->loc = sp->cur;
sp->move.to.x = dx;
sp->move.to.y = dy;
sp->move.speed = time;
sp->move.time = -1;
sact.movelist = g_slist_append(sact.movelist, sp);
sact.movestarttime = get_high_counter(SYSTEMCOUNTER_MSEC);
g_slist_foreach(sact.movelist, spev_move_setup, NULL);
g_slist_free(sact.movelist);
sact.movelist = NULL;
while (sp->move.moving) {
nact->callback();
}
}
/*
ƤΰưΥץ饤ȤưλΤԤ
*/
void spev_wait4moving_sp() {
GSList *node;
// ưΥץ饤Ȥ sact.updatelist ˤϤ
// ΤʤΥץ饤ȤˤĤơư椫ɤΥե饰å
for (node = sact.updatelist; node; node = node->next) {
sprite_t *sp = (sprite_t *)node->data;
if (sp == NULL) continue;
if (!sp->show) continue;
while (sp->move.moving) {
nact->callback();
}
}
}
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