/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield * * This library is open source and may be redistributed and/or modified under * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or * (at your option) any later version. The full license is in LICENSE file * included with this distribution, and on the openscenegraph.org website. * * This library 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 * OpenSceneGraph Public License for more details. */ // // OpenFlightŪ loader for OpenSceneGraph // // Copyright (C) 2005-2007 Brede Johansen // #include #include #include #include #include #include #include #include #include "AttrData.h" #include "DataInputStream.h" #include "DataOutputStream.h" using namespace osg; using namespace osgDB; using namespace flt; class ReaderWriterATTR : public osgDB::ReaderWriter { public: ReaderWriterATTR() { supportsExtension("attr","OpenFlight texture attribute format"); } virtual const char* className() const { return "ATTR Image Attribute Reader/Writer"; } virtual bool acceptsExtension(const std::string& extension) const { return equalCaseInsensitive(extension,"attr"); } virtual ReadResult readObject(const std::string& fileName, const ReaderWriter::Options*) const; virtual ReaderWriter::WriteResult writeObject(const osg::Object& object, const std::string& fileName, const Options* options) const; }; ReaderWriter::ReadResult ReaderWriterATTR::readObject(const std::string& file, const ReaderWriter::Options* options) const { using std::ios; std::string ext = osgDB::getLowerCaseFileExtension(file); if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED; std::string fileName = osgDB::findDataFile( file, options ); if (fileName.empty()) return ReadResult::FILE_NOT_FOUND; osgDB::ifstream fin; fin.imbue(std::locale::classic()); fin.open(fileName.c_str(), std::ios::in | std::ios::binary); if ( fin.fail()) return ReadResult::ERROR_IN_READING_FILE; flt::DataInputStream in(fin.rdbuf()); AttrData* attr = new AttrData; try { attr->texels_u = in.readInt32(); attr->texels_v = in.readInt32(); attr->direction_u = in.readInt32(); attr->direction_v = in.readInt32(); attr->x_up = in.readInt32(); attr->y_up = in.readInt32(); attr->fileFormat = in.readInt32(); attr->minFilterMode = in.readInt32(); attr->magFilterMode = in.readInt32(); attr->wrapMode = in.readInt32(AttrData::WRAP_REPEAT); attr->wrapMode_u = in.readInt32(); if (attr->wrapMode_u == AttrData::WRAP_NONE) attr->wrapMode_u = attr->wrapMode; attr->wrapMode_v = in.readInt32(); if (attr->wrapMode_v == AttrData::WRAP_NONE) attr->wrapMode_v = attr->wrapMode; attr->modifyFlag = in.readInt32(); attr->pivot_x = in.readInt32(); attr->pivot_y = in.readInt32(); // v11 ends here // if (in.eof() || (_flt_version <= 11)) return true; #if 1 attr->texEnvMode = in.readInt32(AttrData::TEXENV_MODULATE); attr->intensityAsAlpha = in.readInt32(); in.forward(4*8); in.forward(4); attr->size_u = in.readFloat64(); attr->size_v = in.readFloat64(); attr->originCode = in.readInt32(); attr->kernelVersion = in.readInt32(); attr->intFormat = in.readInt32(); attr->extFormat = in.readInt32(); attr->useMips = in.readInt32(); for (int n=0; n<8; n++) attr->of_mips[n] = in.readFloat32(); attr->useLodScale = in.readInt32(); attr->lod0 = in.readFloat32(); attr->scale0 = in.readFloat32(); attr->lod1 = in.readFloat32(); attr->scale1 = in.readFloat32(); attr->lod2 = in.readFloat32(); attr->scale2 = in.readFloat32(); attr->lod3 = in.readFloat32(); attr->scale3 = in.readFloat32(); attr->lod4 = in.readFloat32(); attr->scale4 = in.readFloat32(); attr->lod5 = in.readFloat32(); attr->scale5 = in.readFloat32(); attr->lod6 = in.readFloat32(); attr->scale6 = in.readFloat32(); attr->lod7 = in.readFloat32(); attr->scale7 = in.readFloat32(); attr->clamp = in.readFloat32(); attr->magFilterAlpha = in.readInt32(); attr->magFilterColor = in.readInt32(); in.forward(4); in.forward(4*8); attr->lambertMeridian = in.readFloat64(); attr->lambertUpperLat = in.readFloat64(); attr->lambertlowerLat = in.readFloat64(); in.forward(8); in.forward(4*5); attr->useDetail = in.readInt32( ); attr->txDetail_j = in.readInt32(); attr->txDetail_k = in.readInt32(); attr->txDetail_m = in.readInt32(); attr->txDetail_n = in.readInt32(); attr->txDetail_s = in.readInt32( ); attr->useTile = in.readInt32(); attr->txTile_ll_u= in.readFloat32(); attr->txTile_ll_v = in.readFloat32(); attr->txTile_ur_u = in.readFloat32(); attr->txTile_ur_v = in.readFloat32(); attr->projection = in.readInt32(); attr->earthModel = in.readInt32(); in.forward(4); attr->utmZone = in.readInt32(); attr->imageOrigin = in.readInt32(); attr->geoUnits = in.readInt32(); in.forward(4); in.forward(4); attr->hemisphere = in.readInt32(); in.forward(4); in.forward(4); in.forward(149*4); attr->comments = in.readString(512); // v12 ends here // if (in.eof() || (_flt_version <= 12)) return true; in.forward(14*4); attr->attrVersion = in.readInt32(); attr->controlPoints = in.readInt32(); attr->numSubtextures = in.readInt32(); #endif } catch(...) { if (!fin.eof()) { throw; } } fin.close(); return attr; } ReaderWriter::WriteResult ReaderWriterATTR::writeObject(const osg::Object& object, const std::string& fileName, const Options* options) const { using std::ios; std::string ext = osgDB::getLowerCaseFileExtension( fileName ); if (!acceptsExtension(ext)) return WriteResult::FILE_NOT_HANDLED; const AttrData* attr = dynamic_cast< const AttrData* >( &object ); if (attr == NULL) { osg::notify( osg::FATAL ) << "AttrWriter: Invalid Object." << std::endl; return WriteResult::FILE_NOT_HANDLED; } osgDB::ofstream fOut; fOut.open( fileName.c_str(), std::ios::out | std::ios::binary ); if ( fOut.fail()) return WriteResult::ERROR_IN_WRITING_FILE; flt::DataOutputStream out( fOut.rdbuf() ); out.writeInt32( attr->texels_u ); out.writeInt32( attr->texels_v ); out.writeInt32( attr->direction_u ); out.writeInt32( attr->direction_v ); out.writeInt32( attr->x_up ); out.writeInt32( attr->y_up ); out.writeInt32( attr->fileFormat ); out.writeInt32( attr->minFilterMode ); out.writeInt32( attr->magFilterMode ); out.writeInt32( attr->wrapMode ); out.writeInt32( attr->wrapMode_u ); out.writeInt32( attr->wrapMode_v ); out.writeInt32( attr->modifyFlag ); out.writeInt32( attr->pivot_x ); out.writeInt32( attr->pivot_y ); out.writeInt32( attr->texEnvMode ); out.writeInt32( attr->intensityAsAlpha ); out.writeFill( 4*8 ); out.writeFloat64( attr->size_u ); out.writeFloat64( attr->size_v ); out.writeInt32( attr->originCode ); out.writeInt32( attr->kernelVersion ); out.writeInt32( attr->intFormat ); out.writeInt32( attr->extFormat ); out.writeInt32( attr->useMips ); for (int n=0; n<8; n++) out.writeFloat32( attr->of_mips[n] ); out.writeInt32( attr->useLodScale ); out.writeFloat32( attr->lod0 ); out.writeFloat32( attr->scale0 ); out.writeFloat32( attr->lod1 ); out.writeFloat32( attr->scale1 ); out.writeFloat32( attr->lod2 ); out.writeFloat32( attr->scale2 ); out.writeFloat32( attr->lod3 ); out.writeFloat32( attr->scale3 ); out.writeFloat32( attr->lod4 ); out.writeFloat32( attr->scale4 ); out.writeFloat32( attr->lod5 ); out.writeFloat32( attr->scale5 ); out.writeFloat32( attr->lod6 ); out.writeFloat32( attr->scale6 ); out.writeFloat32( attr->lod7 ); out.writeFloat32( attr->scale7 ); out.writeFloat32( attr->clamp ); out.writeInt32( attr->magFilterAlpha ); out.writeInt32( attr->magFilterColor ); out.writeFill( 4 ); out.writeFill( 4*8 ); out.writeFloat64( attr->lambertMeridian ); out.writeFloat64( attr->lambertUpperLat ); out.writeFloat64( attr->lambertlowerLat ); out.writeFill( 8 ); out.writeFill( 4*5 ); out.writeInt32( attr->useDetail ); out.writeInt32( attr->txDetail_j ); out.writeInt32( attr->txDetail_k ); out.writeInt32( attr->txDetail_m ); out.writeInt32( attr->txDetail_n ); out.writeInt32( attr->txDetail_s ); out.writeInt32( attr->useTile ); out.writeFloat32( attr->txTile_ll_u ); out.writeFloat32( attr->txTile_ll_v ); out.writeFloat32( attr->txTile_ur_u ); out.writeFloat32( attr->txTile_ur_v ); out.writeInt32( attr->projection ); out.writeInt32( attr->earthModel ); out.writeFill( 4 ); out.writeInt32( attr->utmZone ); out.writeInt32( attr->imageOrigin ); out.writeInt32( attr->geoUnits ); out.writeFill( 4 ); out.writeFill( 4 ); out.writeInt32( attr->hemisphere ); out.writeFill( 4 ); out.writeFill( 4 ); out.writeFill( 149*4 ); out.writeString( attr->comments, 512 ); out.writeFill( 13*4 ); out.writeInt32( attr->attrVersion ); out.writeInt32( attr->controlPoints ); out.writeInt32( attr->numSubtextures ); fOut.close(); return WriteResult::FILE_SAVED; } // now register with Registry to instantiate the above // reader/writer. REGISTER_OSGPLUGIN(attr, ReaderWriterATTR)