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Diffstat (limited to 'engines/sword25/gfx/renderobjectmanager.cpp')
| -rw-r--r-- | engines/sword25/gfx/renderobjectmanager.cpp | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/engines/sword25/gfx/renderobjectmanager.cpp b/engines/sword25/gfx/renderobjectmanager.cpp new file mode 100644 index 0000000000..ab4e606270 --- /dev/null +++ b/engines/sword25/gfx/renderobjectmanager.cpp @@ -0,0 +1,151 @@ +/* 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. + * + * 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. + * + * $URL$ + * $Id$ + * + */ + +/* + * This code is based on Broken Sword 2.5 engine + * + * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer + * + * Licensed under GNU GPL v2 + * + */ + +#include "sword25/gfx/renderobjectmanager.h" + +#include "sword25/kernel/kernel.h" +#include "sword25/kernel/inputpersistenceblock.h" +#include "sword25/kernel/outputpersistenceblock.h" +#include "sword25/gfx/graphicengine.h" +#include "sword25/gfx/animationtemplateregistry.h" +#include "common/rect.h" +#include "sword25/gfx/renderobject.h" +#include "sword25/gfx/timedrenderobject.h" +#include "sword25/gfx/rootrenderobject.h" + +namespace Sword25 { + +#define BS_LOG_PREFIX "RENDEROBJECTMANAGER" + +RenderObjectManager::RenderObjectManager(int width, int height, int framebufferCount) : + _frameStarted(false) { + // Wurzel des BS_RenderObject-Baumes erzeugen. + _rootPtr = (new RootRenderObject(this, width, height))->getHandle(); +} + +RenderObjectManager::~RenderObjectManager() { + // Die Wurzel des Baumes löschen, damit werden alle BS_RenderObjects mitgelöscht. + _rootPtr.erase(); +} + +void RenderObjectManager::startFrame() { + _frameStarted = true; + + // Verstrichene Zeit bestimmen + int timeElapsed = Kernel::GetInstance()->GetGfx()->GetLastFrameDurationMicro(); + + // Alle BS_TimedRenderObject Objekte über den Framestart und die verstrichene Zeit in Kenntnis setzen + RenderObjectList::iterator iter = _timedRenderObjects.begin(); + for (; iter != _timedRenderObjects.end(); ++iter) + (*iter)->frameNotification(timeElapsed); +} + +bool RenderObjectManager::render() { + // Den Objekt-Status des Wurzelobjektes aktualisieren. Dadurch werden rekursiv alle Baumelemente aktualisiert. + // Beim aktualisieren des Objekt-Status werden auch die Update-Rects gefunden, so dass feststeht, was neu gezeichnet + // werden muss. + if (!_rootPtr.isValid() || !_rootPtr->updateObjectState()) + return false; + + _frameStarted = false; + + // Die Render-Methode der Wurzel aufrufen. Dadurch wird das rekursive Rendern der Baumelemente angestoßen. + return _rootPtr->render(); +} + +void RenderObjectManager::attatchTimedRenderObject(RenderObjectPtr<TimedRenderObject> renderObjectPtr) { + _timedRenderObjects.push_back(renderObjectPtr); +} + +void RenderObjectManager::detatchTimedRenderObject(RenderObjectPtr<TimedRenderObject> renderObjectPtr) { + for (uint i = 0; i < _timedRenderObjects.size(); i++) + if (_timedRenderObjects[i] == renderObjectPtr) { + _timedRenderObjects.remove_at(i); + break; + } +} + +bool RenderObjectManager::persist(OutputPersistenceBlock &writer) { + bool result = true; + + // Alle Kinder des Wurzelknotens speichern. Dadurch werden alle BS_RenderObjects gespeichert rekursiv gespeichert. + result &= _rootPtr->persistChildren(writer); + + writer.write(_frameStarted); + + // Referenzen auf die TimedRenderObjects persistieren. + writer.write(_timedRenderObjects.size()); + RenderObjectList::const_iterator iter = _timedRenderObjects.begin(); + while (iter != _timedRenderObjects.end()) { + writer.write((*iter)->getHandle()); + ++iter; + } + + // Alle BS_AnimationTemplates persistieren. + result &= AnimationTemplateRegistry::getInstance().persist(writer); + + return result; +} + +bool RenderObjectManager::unpersist(InputPersistenceBlock &reader) { + bool result = true; + + // Alle Kinder des Wurzelknotens löschen. Damit werden alle BS_RenderObjects gelöscht. + _rootPtr->deleteAllChildren(); + + // Alle BS_RenderObjects wieder hestellen. + if (!_rootPtr->unpersistChildren(reader)) + return false; + + reader.read(_frameStarted); + + // Momentan gespeicherte Referenzen auf TimedRenderObjects löschen. + _timedRenderObjects.resize(0); + + // Referenzen auf die TimedRenderObjects wieder herstellen. + uint timedObjectCount; + reader.read(timedObjectCount); + for (uint i = 0; i < timedObjectCount; ++i) { + uint handle; + reader.read(handle); + _timedRenderObjects.push_back(handle); + } + + // Alle BS_AnimationTemplates wieder herstellen. + result &= AnimationTemplateRegistry::getInstance().unpersist(reader); + + return result; +} + +} // End of namespace Sword25 |