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195 lines
6.1 KiB
195 lines
6.1 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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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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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 "HeadSpin.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 ] = 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_t plCubicEnvironmap::GetTotalSize( void ) const |
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{ |
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uint32_t 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_t plCubicEnvironmap::Read( hsStream *s ) |
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{ |
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uint32_t 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_t plCubicEnvironmap::Write( hsStream *s ) |
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{ |
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uint32_t 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_t 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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