mirror of
https://github.com/libretro/scummvm.git
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150 lines
4.5 KiB
C++
150 lines
4.5 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/resourcesystem.h"
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#include "illusions/resourcereader.h"
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#include "illusions/illusions.h"
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#include "common/algorithm.h"
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#include "common/debug.h"
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namespace Illusions {
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// ResourceInstance
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void ResourceInstance::load(Resource *resource) {
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}
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void ResourceInstance::unload() {
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}
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void ResourceInstance::pause() {
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}
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void ResourceInstance::unpause() {
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}
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ResourceInstance::~ResourceInstance() {
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}
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// Resource
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void Resource::loadData(BaseResourceReader *resReader) {
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_data = resReader->readResource(_sceneId, _resId, _dataSize);
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}
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void Resource::unloadData() {
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free(_data);
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_data = 0;
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_dataSize = 0;
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}
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// ResourceSystem
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ResourceSystem::ResourceSystem(IllusionsEngine *vm)
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: _vm(vm) {
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}
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ResourceSystem::~ResourceSystem() {
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// Delete all registered resource loaders
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for (ResourceLoadersMapIterator it = _resourceLoaders.begin(); it != _resourceLoaders.end(); ++it) {
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delete (*it)._value;
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}
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}
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void ResourceSystem::addResourceLoader(uint32 resTypeId, BaseResourceLoader *resourceLoader) {
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_resourceLoaders[resTypeId] = resourceLoader;
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}
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void ResourceSystem::loadResource(uint32 resId, uint32 sceneId, uint32 threadId) {
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debug(1, "ResourceSystem::loadResource(%08X, %08X, %08X)", resId, sceneId, threadId);
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BaseResourceLoader *resourceLoader = getResourceLoader(resId);
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Resource *resource = new Resource();
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resource->_loaded = false;
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resource->_resId = resId;
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resource->_sceneId = sceneId;
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resource->_threadId = threadId;
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resource->_gameId = _vm->getGameId();
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if (resourceLoader->isFlag(kRlfLoadFile)) {
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debug(1, "ResourceSystem::loadResource() kRlfLoadFile");
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resource->loadData(_vm->_resReader);
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}
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resourceLoader->load(resource);
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if (resourceLoader->isFlag(kRlfFreeDataAfterLoad)) {
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debug(1, "ResourceSystem::loadResource() kRlfFreeDataAfterLoad");
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resource->unloadData();
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}
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resource->_loaded = true;
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_resources.push_back(resource);
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}
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void ResourceSystem::unloadResourceById(uint32 resId) {
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Resource *resource = getResource(resId);
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if (resource)
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unloadResource(resource);
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}
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void ResourceSystem::unloadResourcesBySceneId(uint32 sceneId) {
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ResourcesArrayIterator it = Common::find_if(_resources.begin(), _resources.end(), ResourceEqualBySceneId(sceneId));
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while (it != _resources.end()) {
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unloadResource(*it);
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it = Common::find_if(it, _resources.end(), ResourceEqualBySceneId(sceneId));
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}
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}
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void ResourceSystem::unloadSceneResources(uint32 sceneId1, uint32 sceneId2) {
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ResourcesArrayIterator it = Common::find_if(_resources.begin(), _resources.end(), ResourceNotEqualByScenes(sceneId1, sceneId2));
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while (it != _resources.end()) {
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unloadResource(*it);
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it = Common::find_if(it, _resources.end(), ResourceNotEqualByScenes(sceneId1, sceneId2));
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}
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}
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BaseResourceLoader *ResourceSystem::getResourceLoader(uint32 resId) {
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ResourceLoadersMapIterator it = _resourceLoaders.find(ResourceTypeId(resId));
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if (it != _resourceLoaders.end())
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return (*it)._value;
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error("ResourceSystem::getResourceLoader() Could not find resource loader for resource id %08X", resId);
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}
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Resource *ResourceSystem::getResource(uint32 resId) {
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ResourcesArrayIterator it = Common::find_if(_resources.begin(), _resources.end(), ResourceEqualById(resId));
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return it != _resources.end() ? *it : 0;
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}
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void ResourceSystem::unloadResource(Resource *resource) {
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debug(1, "Unloading %08X... (sceneId: %08X)", resource->_resId, resource->_sceneId);
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ResourcesArrayIterator it = Common::find_if(_resources.begin(), _resources.end(), ResourceEqualByValue(resource));
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if (it != _resources.end())
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_resources.remove_at(it - _resources.begin());
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delete resource;
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}
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} // End of namespace Illusions
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