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95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
#include "fogstate.hpp"
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#include "esmreader.hpp"
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#include "esmwriter.hpp"
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#include <osgDB/ReadFile>
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#include <components/debug/debuglog.hpp>
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#include <components/files/memorystream.hpp>
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#include "savedgame.hpp"
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void convertFogOfWar(std::vector<char>& imageData)
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{
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if (imageData.empty())
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{
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return;
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}
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osgDB::ReaderWriter* tgaReader = osgDB::Registry::instance()->getReaderWriterForExtension("tga");
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if (!tgaReader)
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{
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Log(Debug::Error) << "Error: Unable to load fog, can't find a tga ReaderWriter";
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return;
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}
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Files::IMemStream in(&imageData[0], imageData.size());
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osgDB::ReaderWriter::ReadResult result = tgaReader->readImage(in);
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if (!result.success())
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{
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Log(Debug::Error) << "Error: Failed to read fog: " << result.message() << " code " << result.status();
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return;
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}
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osgDB::ReaderWriter* pngWriter = osgDB::Registry::instance()->getReaderWriterForExtension("png");
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if (!pngWriter)
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{
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Log(Debug::Error) << "Error: Unable to write fog, can't find a png ReaderWriter";
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return;
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}
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std::ostringstream ostream;
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osgDB::ReaderWriter::WriteResult png = pngWriter->writeImage(*result.getImage(), ostream);
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if (!png.success())
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{
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Log(Debug::Error) << "Error: Unable to write fog: " << png.message() << " code " << png.status();
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return;
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}
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std::string str = ostream.str();
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imageData = std::vector<char>(str.begin(), str.end());
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}
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void ESM::FogState::load (ESMReader &esm)
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{
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esm.getHNOT(mBounds, "BOUN");
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esm.getHNOT(mNorthMarkerAngle, "ANGL");
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int dataFormat = esm.getFormat();
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while (esm.isNextSub("FTEX"))
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{
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esm.getSubHeader();
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FogTexture tex;
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esm.getT(tex.mX);
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esm.getT(tex.mY);
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size_t imageSize = esm.getSubSize()-sizeof(int)*2;
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tex.mImageData.resize(imageSize);
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esm.getExact(&tex.mImageData[0], imageSize);
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if (dataFormat < 7)
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convertFogOfWar(tex.mImageData);
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mFogTextures.push_back(tex);
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}
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}
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void ESM::FogState::save (ESMWriter &esm, bool interiorCell) const
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{
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if (interiorCell)
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{
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esm.writeHNT("BOUN", mBounds);
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esm.writeHNT("ANGL", mNorthMarkerAngle);
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}
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for (std::vector<FogTexture>::const_iterator it = mFogTextures.begin(); it != mFogTextures.end(); ++it)
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{
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esm.startSubRecord("FTEX");
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esm.writeT(it->mX);
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esm.writeT(it->mY);
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esm.write(&it->mImageData[0], it->mImageData.size());
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esm.endRecord("FTEX");
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}
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}
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