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/* 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.
*
*/
#include "illusions/resourcesystem.h"
#include "illusions/illusions.h"
#include "common/algorithm.h"
#include "common/debug.h"
namespace Illusions {
// ResourceInstance
void ResourceInstance::load(Resource *resource) {
}
void ResourceInstance::unload() {
}
void ResourceInstance::pause() {
}
void ResourceInstance::unpause() {
}
ResourceInstance::~ResourceInstance() {
}
// Resource
void Resource::loadData() {
debug("Resource::loadData()");
Common::File fd;
if (!fd.open(_filename))
error("Resource::loadData() Could not open %s for reading", _filename.c_str());
_dataSize = fd.size();
_data = (byte*)malloc(_dataSize);
fd.read(_data, _dataSize);
debug("Resource::loadData() OK");
}
void Resource::unloadData() {
debug("Resource::unloadData()");
free(_data);
_data = 0;
_dataSize = 0;
}
// ResourceSystem
ResourceSystem::ResourceSystem(IllusionsEngine *vm)
: _vm(vm) {
}
ResourceSystem::~ResourceSystem() {
// Delete all registered resource loaders
for (ResourceLoadersMapIterator it = _resourceLoaders.begin(); it != _resourceLoaders.end(); ++it)
delete (*it)._value;
}
void ResourceSystem::addResourceLoader(uint32 resTypeId, BaseResourceLoader *resourceLoader) {
_resourceLoaders[resTypeId] = resourceLoader;
}
void ResourceSystem::loadResource(uint32 resId, uint32 tag, uint32 threadId) {
debug("ResourceSystem::loadResource(%08X, %08X, %08X)", resId, tag, threadId);
BaseResourceLoader *resourceLoader = getResourceLoader(resId);
Resource *resource = new Resource();
resource->_loaded = false;
resource->_resId = resId;
resource->_tag = tag;
resource->_threadId = threadId;
resource->_gameId = _vm->getGameId();
resourceLoader->buildFilename(resource);
if (resourceLoader->isFlag(kRlfLoadFile)) {
debug("ResourceSystem::loadResource() kRlfLoadFile");
resource->loadData();
}
resourceLoader->load(resource);
if (resourceLoader->isFlag(kRlfFreeDataAfterLoad)) {
debug("ResourceSystem::loadResource() kRlfFreeDataAfterLoad");
resource->unloadData();
}
resource->_loaded = true;
_resources.push_back(resource);
// TODO? Not sure if this is needed krnfileAdd(filenameb, taga);
}
void ResourceSystem::unloadResourceById(uint32 resId) {
Resource *resource = getResource(resId);
if (resource)
unloadResource(resource);
}
void ResourceSystem::unloadResourcesByTag(uint32 tag) {
ResourcesArrayIterator it = Common::find_if(_resources.begin(), _resources.end(), ResourceEqualByTag(tag));
while (it != _resources.end()) {
unloadResource(*it);
it = Common::find_if(it, _resources.end(), ResourceEqualByTag(tag));
}
}
void ResourceSystem::unloadSceneResources(uint32 sceneId1, uint32 sceneId2) {
ResourcesArrayIterator it = Common::find_if(_resources.begin(), _resources.end(), ResourceNotEqualByScenes(sceneId1, sceneId2));
while (it != _resources.end()) {
unloadResource(*it);
it = Common::find_if(it, _resources.end(), ResourceNotEqualByScenes(sceneId1, sceneId2));
}
}
BaseResourceLoader *ResourceSystem::getResourceLoader(uint32 resId) {
ResourceLoadersMapIterator it = _resourceLoaders.find(ResourceTypeId(resId));
if (it != _resourceLoaders.end())
return (*it)._value;
error("ResourceSystem::getResourceLoader() Could not find resource loader for resource id %08X", resId);
}
Resource *ResourceSystem::getResource(uint32 resId) {
ResourcesArrayIterator it = Common::find_if(_resources.begin(), _resources.end(), ResourceEqualById(resId));
return it != _resources.end() ? *it : 0;
}
void ResourceSystem::unloadResource(Resource *resource) {
debug("Unloading %08X... (tag: %08X)", resource->_resId, resource->_tag);
ResourcesArrayIterator it = Common::find_if(_resources.begin(), _resources.end(), ResourceEqualByValue(resource));
if (it != _resources.end())
_resources.remove_at(it - _resources.begin());
delete resource;
}
} // End of namespace Illusions
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