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94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
#include "myguidatamanager.hpp"
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#include <memory>
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#include <string>
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#include <MyGUI_DataFileStream.h>
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#include <filesystem>
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#include <fstream>
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#include <components/debug/debuglog.hpp>
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namespace osgMyGUI
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{
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void DataManager::setResourcePath(const std::string &path)
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{
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mResourcePath = path;
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}
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void DataManager::setUseVfs(bool useVfs)
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{
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mUseVfs = useVfs;
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}
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MyGUI::IDataStream *DataManager::getData(const std::string &name) const
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{
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if (mUseVfs)
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{
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// Note: MyGUI is supposed to read/free input steam itself,
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// so copy data from VFS stream to the string stream and pass it to MyGUI.
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Files::IStreamPtr streamPtr = mVfs->get(name);
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std::istream* fileStream = streamPtr.get();
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std::unique_ptr<std::stringstream> dataStream;
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dataStream.reset(new std::stringstream);
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*dataStream << fileStream->rdbuf();
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return new MyGUI::DataStream(dataStream.release());
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}
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std::string fullpath = getDataPath(name);
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auto stream = std::make_unique<std::ifstream>();
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stream->open(fullpath, std::ios::binary);
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if (stream->fail())
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{
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Log(Debug::Error) << "DataManager::getData: Failed to open '" << name << "'";
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return nullptr;
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}
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return new MyGUI::DataFileStream(stream.release());
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}
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void DataManager::freeData(MyGUI::IDataStream *data)
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{
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delete data;
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}
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bool DataManager::isDataExist(const std::string &name) const
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{
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if (mUseVfs) return mVfs->exists(name);
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std::string fullpath = mResourcePath + "/" + name;
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return std::filesystem::exists(fullpath);
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}
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void DataManager::setVfs(const VFS::Manager* vfs)
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{
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mVfs = vfs;
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}
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const MyGUI::VectorString &DataManager::getDataListNames(const std::string &pattern) const
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{
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// TODO: pattern matching (unused?)
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static MyGUI::VectorString strings;
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strings.clear();
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strings.push_back(getDataPath(pattern));
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return strings;
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}
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const std::string &DataManager::getDataPath(const std::string &name) const
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{
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// FIXME: in theory, we should use the VFS here too, but it does not provide the real path to data files.
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// In some cases there is no real path at all (when the requested MyGUI file is in BSA archive, for example).
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// Currently it should not matter since we use this virtual function only to setup fonts for profilers.
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static std::string result;
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result.clear();
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if (!isDataExist(name))
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{
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return result;
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}
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result = mResourcePath + "/" + name;
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return result;
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}
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}
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