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84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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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* 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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* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "illusions/updatefunctions.h"
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#include "illusions/time.h"
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#include "common/algorithm.h"
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#include "common/system.h"
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namespace Illusions {
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// UpdateFunctions
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UpdateFunctions::UpdateFunctions() {
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_lastTimerUpdateTime = 0;
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}
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UpdateFunctions::~UpdateFunctions() {
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// Free update functions
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for (UpdateFunctionListIterator it = _updateFunctions.begin(); it != _updateFunctions.end(); ++it) {
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delete *it;
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}
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}
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void UpdateFunctions::add(int priority, uint32 sceneId, UpdateFunctionCallback *callback) {
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UpdateFunction *updateFunction = new UpdateFunction();
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updateFunction->_priority = priority;
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updateFunction->_sceneId = sceneId;
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updateFunction->_callback = callback;
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UpdateFunctionListIterator insertionPos = Common::find_if(_updateFunctions.begin(), _updateFunctions.end(),
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FindInsertionPosition(priority));
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_updateFunctions.insert(insertionPos, updateFunction);
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}
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void UpdateFunctions::update() {
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// Avoid running updates multiple times in the current time slice
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while (_lastTimerUpdateTime == getCurrentTime()) {
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g_system->delayMillis(10); // CHECKME Timer resolution
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}
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_lastTimerUpdateTime = getCurrentTime();
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UpdateFunctionListIterator it = _updateFunctions.begin();
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while (it != _updateFunctions.end()) {
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int r = (*it)->run();
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switch (r) {
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case kUFNext:
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++it;
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break;
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case kUFTerminate:
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delete *it;
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it = _updateFunctions.erase(it);
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break;
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default:
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break;
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}
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}
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}
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void UpdateFunctions::terminateByScene(uint32 sceneId) {
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for (UpdateFunctionListIterator it = _updateFunctions.begin(); it != _updateFunctions.end(); ++it) {
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if ((*it)->_sceneId == sceneId)
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(*it)->terminate();
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}
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}
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} // End of namespace Illusions
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