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112 lines
2.8 KiB
C++
112 lines
2.8 KiB
C++
/* Copyright (C) 1994-2004 Revolution Software Ltd
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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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* $Header$
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*/
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#include "common/stdafx.h"
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#include "sword2/sword2.h"
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#include "sword2/defs.h"
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#include "sword2/interpreter.h"
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#include "sword2/logic.h"
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namespace Sword2 {
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int32 Logic::fnSendSync(int32 *params) {
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// params: 0 sync's recipient
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// 1 sync value
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for (int i = 0; i < MAX_syncs; i++) {
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if (_syncList[i].id == 0) {
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debug(5, "%d sends sync %d to %d", _scriptVars[ID], params[1], params[0]);
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_syncList[i].id = params[0];
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_syncList[i].sync = params[1];
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return IR_CONT;
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}
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}
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// The original code didn't even check for this condition, so maybe
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// it should be a fatal error?
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warning("No free sync slot");
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return IR_CONT;
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}
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/**
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* Clear any syncs registered for this id. Call this just after the id has been
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* processed. Theoretically there could be more than one sync waiting for us,
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* so clear the lot.
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*/
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void Logic::clearSyncs(uint32 id) {
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for (int i = 0; i < MAX_syncs; i++) {
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if (_syncList[i].id == id) {
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debug(5, "removing sync %d for %d", i, id);
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_syncList[i].id = 0;
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}
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}
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}
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/**
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* Check for a sync waiting for this character. Called from fnAnim() to see if
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* animation is to be finished. Returns an index into _syncList[], or -1.
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*/
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int Logic::getSync(void) {
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for (int i = 0; i < MAX_syncs; i++) {
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if (_syncList[i].id == _scriptVars[ID])
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return i;
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}
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return -1;
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}
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/**
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* Like getSync(), but called from scripts. Sets the RESULT variable to
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* the sync value, or 0 if none is found.
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*/
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int32 Logic::fnGetSync(int32 *params) {
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// params: none
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int slot = getSync();
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_scriptVars[RESULT] = (slot != -1) ? _syncList[slot].sync : 0;
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return IR_CONT;
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}
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/**
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* Wait for sync to happen. Sets the RESULT variable to the sync value, once
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* it has been found.
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*/
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int32 Logic::fnWaitSync(int32 *params) {
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// params: none
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debug(6, "fnWaitSync: %d waits", _scriptVars[ID]);
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int slot = getSync();
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if (slot == -1)
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return IR_REPEAT;
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debug(5, "fnWaitSync: %d got sync %d", _scriptVars[ID], _syncList[slot].sync);
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_scriptVars[RESULT] = _syncList[slot].sync;
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return IR_CONT;
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}
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} // End of namespace Sword2
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