scummvm/engines/sword2/sync.cpp
2011-05-12 01:16:22 +02:00

83 lines
2.3 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* Additional copyright for this file:
* Copyright (C) 1994-1998 Revolution Software Ltd.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "common/textconsole.h"
#include "sword2/sword2.h"
#include "sword2/defs.h"
#include "sword2/header.h"
#include "sword2/logic.h"
namespace Sword2 {
/**
* Clear any syncs registered for this id. Call this just after the id has been
* processed. Theoretically there could be more than one sync waiting for us,
* so clear the lot.
*/
void Logic::clearSyncs(uint32 id) {
for (int i = 0; i < ARRAYSIZE(_syncList); i++) {
if (_syncList[i].id == id) {
debug(5, "removing sync %d for %d", i, id);
_syncList[i].id = 0;
}
}
}
void Logic::sendSync(uint32 id, uint32 sync) {
for (int i = 0; i < ARRAYSIZE(_syncList); i++) {
if (_syncList[i].id == 0) {
debug(5, "%d sends sync %d to %d", readVar(ID), sync, id);
_syncList[i].id = id;
_syncList[i].sync = sync;
return;
}
}
// The original code didn't even check for this condition, so maybe
// it should be a fatal error?
warning("No free sync slot");
}
/**
* Check for a sync waiting for this character. Called from fnAnim() to see if
* animation is to be finished. Returns an index into _syncList[], or -1.
*/
int Logic::getSync() {
uint32 id = readVar(ID);
for (int i = 0; i < ARRAYSIZE(_syncList); i++) {
if (_syncList[i].id == id)
return i;
}
return -1;
}
} // End of namespace Sword2