forked from mirror/openmw-tes3mp
66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
#include "texturemanager.hpp"
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#include <osgDB/Registry>
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#include <stdexcept>
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#include <components/vfs/manager.hpp>
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namespace Resource
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{
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TextureManager::TextureManager(const VFS::Manager *vfs)
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: mVFS(vfs)
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{
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}
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/*
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osg::ref_ptr<osg::Image> TextureManager::getImage(const std::string &filename)
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{
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}
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*/
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osg::ref_ptr<osg::Texture2D> TextureManager::getTexture2D(const std::string &filename, osg::Texture::WrapMode wrapS, osg::Texture::WrapMode wrapT)
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{
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std::string normalized = filename;
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mVFS->normalizeFilename(normalized);
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MapKey key = std::make_pair(std::make_pair(wrapS, wrapT), normalized);
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std::map<MapKey, osg::ref_ptr<osg::Texture2D> >::iterator found = mTextures.find(key);
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if (found != mTextures.end())
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{
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return found->second;
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}
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else
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{
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osg::ref_ptr<osgDB::Options> opts (new osgDB::Options);
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opts->setOptionString("dds_dxt1_detect_rgba"); // tx_creature_werewolf.dds isn't loading in the correct format without this option
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size_t extPos = normalized.find_last_of('.');
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std::string ext;
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if (extPos != std::string::npos && extPos+1 < normalized.size())
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ext = normalized.substr(extPos+1);
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osgDB::ReaderWriter* reader = osgDB::Registry::instance()->getReaderWriterForExtension(ext);
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osgDB::ReaderWriter::ReadResult result = reader->readImage(*mVFS->get(normalized.c_str()), opts);
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if (!result.success())
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{
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// TODO: use "notfound" default texture
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throw std::runtime_error("Error loading");
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//std::cerr << "Error loading " << filename << ": " << result.message() << std::endl;
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}
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osg::Image* image = result.getImage();
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osg::ref_ptr<osg::Texture2D> texture(new osg::Texture2D);
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texture->setImage(image);
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texture->setWrap(osg::Texture::WRAP_S, wrapS);
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texture->setWrap(osg::Texture::WRAP_T, wrapT);
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// Can be enabled for single-context, i.e. in openmw
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//texture->setUnRefImageDataAfterApply(true);
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mTextures.insert(std::make_pair(key, texture));
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return texture;
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}
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}
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}
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