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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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///////////////////////////////////////////////////////////////////////////////
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// //
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// plTGAWriter Class Functions //
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// Simple utility class for writing a plMipmap out as a TGA file //
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// Cyan, Inc. //
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// //
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//// Version History //////////////////////////////////////////////////////////
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// //
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// 8.15.2001 mcn - Created. //
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// //
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///////////////////////////////////////////////////////////////////////////////
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#include "hsTypes.h"
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#include "plTGAWriter.h"
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#include "plMipmap.h"
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#include "hsStream.h"
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//// Class Statics ////////////////////////////////////////////////////////////
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plTGAWriter plTGAWriter::fInstance;
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//// WriteMipmap //////////////////////////////////////////////////////////////
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void plTGAWriter::WriteMipmap( const char *fileName, plMipmap *mipmap )
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{
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hsUNIXStream stream;
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int x, y;
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hsRGBAColor32 pixel;
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stream.Open( fileName, "wb" );
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/// Write header
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stream.WriteByte( 0 ); // Size of ID field
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stream.WriteByte( 0 ); // Map type
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stream.WriteByte( 2 ); // Type 2 image - Unmapped RGB
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stream.WriteByte( 0 ); // Color map spec
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stream.WriteByte( 0 ); // Color map spec
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stream.WriteByte( 0 ); // Color map spec
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stream.WriteByte( 0 ); // Color map spec
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stream.WriteByte( 0 ); // Color map spec
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stream.WriteSwap16( 0 ); // xOrigin
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stream.WriteSwap16( 0 ); // yOrigin
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stream.WriteSwap16( (UInt16)mipmap->GetWidth() );
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stream.WriteSwap16( (UInt16)mipmap->GetHeight() );
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stream.WriteByte( 24 );
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stream.WriteByte( 0 );
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/// Write image data (gotta do inversed, stupid TGAs...)
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for( y = mipmap->GetHeight() - 1; y >= 0; y-- )
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{
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for( x = 0; x < mipmap->GetWidth(); x++ )
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{
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pixel = *( (hsRGBAColor32 *)mipmap->GetAddr32( x, y ) );
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stream.WriteByte( pixel.b );
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stream.WriteByte( pixel.g );
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stream.WriteByte( pixel.r );
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}
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}
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/// All done!
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stream.Close();
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}
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