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179 lines
5.2 KiB
179 lines
5.2 KiB
/*==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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// plCubicEnvironmap Class Functions // |
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// Derived bitmap class representing a collection of mipmaps to be used for // |
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// cubic environment mapping. // |
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// Cyan, Inc. // |
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// // |
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//// Version History ////////////////////////////////////////////////////////// |
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// // |
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// 6.7.2001 mcn - Created. // |
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// // |
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/////////////////////////////////////////////////////////////////////////////// |
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#include "hsTypes.h" |
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#include "plCubicEnvironmap.h" |
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#include "plMipmap.h" |
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//// Constructor & Destructor ///////////////////////////////////////////////// |
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plCubicEnvironmap::plCubicEnvironmap() |
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{ |
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int i; |
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for( i = 0; i < 6; i++ ) |
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fFaces[ i ] = TRACKED_NEW plMipmap; |
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fInitialized = false; |
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} |
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plCubicEnvironmap::~plCubicEnvironmap() |
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{ |
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int i; |
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for( i = 0; i < 6; i++ ) |
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delete fFaces[ i ]; |
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} |
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//// GetTotalSize ///////////////////////////////////////////////////////////// |
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// Get the total size in bytes |
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UInt32 plCubicEnvironmap::GetTotalSize( void ) const |
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{ |
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UInt32 size, i; |
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for( size = 0, i = 0; i < 6; i++ ) |
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{ |
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hsAssert( fFaces[ i ] != nil, "Nil face in GetTotalSize()" ); |
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size += fFaces[ i ]->GetTotalSize(); |
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} |
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return size; |
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} |
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//// Read ///////////////////////////////////////////////////////////////////// |
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UInt32 plCubicEnvironmap::Read( hsStream *s ) |
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{ |
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UInt32 i, tr = plBitmap::Read( s ); |
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for( i = 0; i < 6; i++ ) |
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tr += fFaces[ i ]->Read( s ); |
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fInitialized = true; |
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return tr; |
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} |
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//// Write //////////////////////////////////////////////////////////////////// |
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UInt32 plCubicEnvironmap::Write( hsStream *s ) |
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{ |
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UInt32 i, tw = plBitmap::Write( s ); |
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for( i = 0; i < 6; i++ ) |
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tw += fFaces[ i ]->Write( s ); |
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return tw; |
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} |
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//// CopyToFace /////////////////////////////////////////////////////////////// |
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// Export-only: Copy the mipmap given into a face |
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void plCubicEnvironmap::CopyToFace( plMipmap *mip, UInt8 face ) |
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{ |
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hsAssert( face < 6, "Invalid face index in CopyToFace()" ); |
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hsAssert( fFaces[ face ] != nil, "nil face in CopyToFace()" ); |
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hsAssert( mip != nil, "nil source in CopyToFace()" ); |
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if( !fInitialized ) |
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{ |
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// Make sure our stuff matches |
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fCompressionType = mip->fCompressionType; |
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if( fCompressionType != kDirectXCompression ) |
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fUncompressedInfo.fType = mip->fUncompressedInfo.fType; |
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else |
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{ |
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fDirectXInfo.fBlockSize = mip->fDirectXInfo.fBlockSize; |
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fDirectXInfo.fCompressionType = mip->fDirectXInfo.fCompressionType; |
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} |
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fPixelSize = mip->GetPixelSize(); |
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fSpace = kDirectSpace; |
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fFlags = mip->GetFlags(); |
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fInitialized = true; |
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} |
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else |
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{ |
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// Check to make sure their stuff matches |
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if( IsCompressed() != mip->IsCompressed() ) |
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{ |
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hsAssert( false, "Compression types do not match in CopyToFace()" ); |
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return; |
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} |
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if( !IsCompressed() ) |
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{ |
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if( fUncompressedInfo.fType != mip->fUncompressedInfo.fType ) |
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{ |
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hsAssert( false, "Compression formats do not match in CopyToFace()" ); |
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return; |
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} |
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} |
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else |
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{ |
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if( fDirectXInfo.fBlockSize != mip->fDirectXInfo.fBlockSize || |
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fDirectXInfo.fCompressionType != mip->fDirectXInfo.fCompressionType ) |
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{ |
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hsAssert( false, "Compression formats do not match in CopyToFace()" ); |
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return; |
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} |
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} |
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if( fPixelSize != mip->GetPixelSize() ) |
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{ |
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hsAssert( false, "Bitdepths do not match in CopyToFace()" ); |
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return; |
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} |
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if( fFlags != mip->GetFlags() ) |
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{ |
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hsAssert( false, "Flags do not match in CopyToFace()" ); |
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} |
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} |
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// Copy the mipmap data |
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fFaces[ face ]->CopyFrom( mip ); |
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} |
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