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			94 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include "fogstate.hpp"
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| 
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| #include "esmreader.hpp"
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| #include "esmwriter.hpp"
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| 
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| #include <osgDB/ReadFile>
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| 
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| #include <components/debug/debuglog.hpp>
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| #include <components/files/memorystream.hpp>
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| 
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| #include "savedgame.hpp"
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| 
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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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| 
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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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| 
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|     Files::IMemStream in(&imageData[0], imageData.size());
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|         esm.getT(tex.mX);
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|         esm.getT(tex.mY);
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| 
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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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| 
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|         if (dataFormat < 7)
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|             convertFogOfWar(tex.mImageData);
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| 
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|         mFogTextures.push_back(tex);
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|     }
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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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