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1277 lines
36 KiB
1277 lines
36 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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// plGBufferGroup Class Functions // |
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// Cyan, Inc. // |
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// // |
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//// Version History ////////////////////////////////////////////////////////// |
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// // |
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// 2.21.2001 mcn - Created. // |
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// // |
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/////////////////////////////////////////////////////////////////////////////// |
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#include "hsWindows.h" |
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#include "HeadSpin.h" |
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#include "plGBufferGroup.h" |
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#include "hsStream.h" |
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#include "plSurface/hsGMaterial.h" |
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#include "plDrawable/plGeometrySpan.h" |
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#include "plPipeline.h" |
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#include "hsGDeviceRef.h" |
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#include "plProfile.h" |
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#include "plVertCoder.h" |
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plProfile_CreateMemCounter("Buf Group Vertices", "Memory", MemBufGrpVertex); |
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plProfile_CreateMemCounter("Buf Group Indices", "Memory", MemBufGrpIndex); |
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plProfile_CreateTimer("Refill Vertex", "Draw", DrawRefillVertex); |
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plProfile_CreateTimer("Refill Index", "Draw", DrawRefillIndex); |
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const UInt32 plGBufferGroup::kMaxNumVertsPerBuffer = 32000; |
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const UInt32 plGBufferGroup::kMaxNumIndicesPerBuffer = 32000; |
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//// plGBufferTriangle Read and Write ///////////////////////////////////////// |
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void plGBufferTriangle::Read( hsStream *s ) |
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{ |
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fIndex1 = s->ReadSwap16(); |
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fIndex2 = s->ReadSwap16(); |
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fIndex3 = s->ReadSwap16(); |
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fSpanIndex = s->ReadSwap16(); |
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fCenter.Read( s ); |
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} |
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void plGBufferTriangle::Write( hsStream *s ) |
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{ |
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s->WriteSwap16( fIndex1 ); |
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s->WriteSwap16( fIndex2 ); |
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s->WriteSwap16( fIndex3 ); |
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s->WriteSwap16( fSpanIndex ); |
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fCenter.Write( s ); |
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} |
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//// plGBufferCell Read/Write ///////////////////////////////////////////////// |
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void plGBufferCell::Read( hsStream *s ) |
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{ |
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fVtxStart = s->ReadSwap32(); |
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fColorStart = s->ReadSwap32(); |
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fLength = s->ReadSwap32(); |
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} |
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void plGBufferCell::Write( hsStream *s ) |
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{ |
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s->WriteSwap32( fVtxStart ); |
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s->WriteSwap32( fColorStart ); |
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s->WriteSwap32( fLength ); |
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} |
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//// Constructor ////////////////////////////////////////////////////////////// |
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plGBufferGroup::plGBufferGroup( UInt8 format, hsBool vertsVolatile, hsBool idxVolatile, int LOD ) |
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{ |
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fVertBuffStorage.Reset(); |
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fIdxBuffStorage.Reset(); |
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fColorBuffStorage.Reset(); |
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fVertexBufferRefs.Reset(); |
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fIndexBufferRefs.Reset(); |
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fCells.Reset(); |
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fNumVerts = fNumIndices = 0; |
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fFormat = format; |
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fStride = ICalcVertexSize( fLiteStride ); |
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fVertsVolatile = vertsVolatile; |
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fIdxVolatile = idxVolatile; |
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fLOD = LOD; |
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} |
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//// Destructor /////////////////////////////////////////////////////////////// |
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plGBufferGroup::~plGBufferGroup() |
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{ |
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UInt32 i; |
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CleanUp(); |
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for( i = 0; i < fVertexBufferRefs.GetCount(); i++ ) |
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hsRefCnt_SafeUnRef( fVertexBufferRefs[ i ] ); |
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for( i = 0; i < fIndexBufferRefs.GetCount(); i++ ) |
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hsRefCnt_SafeUnRef( fIndexBufferRefs[ i ] ); |
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fVertexBufferRefs.Reset(); |
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fIndexBufferRefs.Reset(); |
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} |
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void plGBufferGroup::DirtyVertexBuffer(int i) |
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{ |
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if( (i < fVertexBufferRefs.GetCount()) && fVertexBufferRefs[i] ) |
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fVertexBufferRefs[i]->SetDirty(true); |
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} |
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void plGBufferGroup::DirtyIndexBuffer(int i) |
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{ |
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if( (i < fIndexBufferRefs.GetCount()) && fIndexBufferRefs[i] ) |
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fIndexBufferRefs[i]->SetDirty(true); |
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} |
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//// TidyUp /////////////////////////////////////////////////////////////////// |
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void plGBufferGroup::TidyUp( void ) |
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{ |
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/* if( fVertBuffStorage.GetCount() == 0 && fNumVerts > 0 ) |
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return; // Already tidy'd! |
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// IConvertToStorage(); |
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*/ |
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} |
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void plGBufferGroup::PurgeVertBuffer(UInt32 idx) |
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{ |
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if( AreVertsVolatile() ) |
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return; |
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//#define MF_TOSSER |
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#ifdef MF_TOSSER |
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plProfile_DelMem(MemBufGrpVertex, fVertBuffSizes[idx]); |
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delete [] fVertBuffStorage[idx]; |
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fVertBuffStorage[idx] = nil; |
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plProfile_DelMem(MemBufGrpVertex, fColorBuffCounts[idx] * sizeof(plGBufferColor)); |
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delete [] fColorBuffStorage[idx]; |
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fColorBuffStorage[idx] = nil; |
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delete fCells[idx]; |
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fCells[idx] = nil; |
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#endif // MF_TOSSER |
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return; |
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} |
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void plGBufferGroup::PurgeIndexBuffer(UInt32 idx) |
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{ |
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if( AreIdxVolatile() ) |
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return; |
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return; |
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} |
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//// CleanUp ////////////////////////////////////////////////////////////////// |
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void plGBufferGroup::CleanUp( void ) |
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{ |
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int i; |
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// Clean up the storage |
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for( i = 0; i < fVertBuffStorage.GetCount(); i++ ) |
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{ |
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plProfile_DelMem(MemBufGrpVertex, fVertBuffSizes[i]); |
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delete [] fVertBuffStorage[ i ]; |
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} |
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for( i = 0; i < fIdxBuffStorage.GetCount(); i++ ) |
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{ |
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plProfile_DelMem(MemBufGrpIndex, fIdxBuffCounts[i] * sizeof(UInt16)); |
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delete [] fIdxBuffStorage[ i ]; |
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} |
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for( i = 0; i < fColorBuffStorage.GetCount(); i++ ) |
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{ |
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plProfile_DelMem(MemBufGrpVertex, fColorBuffCounts[i] * sizeof(plGBufferColor)); |
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delete [] fColorBuffStorage[ i ]; |
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} |
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for( i = 0; i < fCells.GetCount(); i++ ) |
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delete fCells[ i ]; |
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fVertBuffStorage.Reset(); |
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fVertBuffSizes.Reset(); |
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fVertBuffStarts.Reset(); |
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fVertBuffEnds.Reset(); |
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fIdxBuffStorage.Reset(); |
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fIdxBuffCounts.Reset(); |
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fIdxBuffStarts.Reset(); |
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fIdxBuffEnds.Reset(); |
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fColorBuffStorage.Reset(); |
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fColorBuffCounts.Reset(); |
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fCells.Reset(); |
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} |
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//// SetVertexBufferRef /////////////////////////////////////////////////////// |
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void plGBufferGroup::SetVertexBufferRef( UInt32 index, hsGDeviceRef *vb ) |
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{ |
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hsAssert( index < fVertexBufferRefs.GetCount() + 1, "Vertex buffers must be assigned linearly!" ); |
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if( (int)index > (int)fVertexBufferRefs.GetCount() - 1 ) |
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{ |
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fVertexBufferRefs.Append( vb ); |
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hsRefCnt_SafeRef( vb ); |
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} |
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else |
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{ |
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hsRefCnt_SafeAssign( fVertexBufferRefs[ index ], vb ); |
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} |
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} |
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//// SetIndexBufferRef //////////////////////////////////////////////////////// |
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void plGBufferGroup::SetIndexBufferRef( UInt32 index, hsGDeviceRef *ib ) |
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{ |
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hsAssert( index < fIndexBufferRefs.GetCount() + 1, "Index buffers must be assigned linearly!" ); |
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if( (int)index > (int)fIndexBufferRefs.GetCount() - 1 ) |
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{ |
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fIndexBufferRefs.Append( ib ); |
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hsRefCnt_SafeRef( ib ); |
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} |
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else |
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{ |
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hsRefCnt_SafeAssign( fIndexBufferRefs[ index ], ib ); |
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} |
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} |
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//// PrepForRendering ///////////////////////////////////////////////////////// |
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void plGBufferGroup::PrepForRendering( plPipeline *pipe, hsBool adjustForNvidiaLighting ) |
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{ |
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ISendStorageToBuffers( pipe, adjustForNvidiaLighting ); |
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// The following line was taken out so we'd keep our data around, allowing |
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// us to rebuild the buffer if necessary on the fly |
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// CleanUp(); |
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} |
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hsGDeviceRef* plGBufferGroup::GetVertexBufferRef(UInt32 i) |
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{ |
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if( i >= fVertexBufferRefs.GetCount() ) |
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fVertexBufferRefs.ExpandAndZero(i+1); |
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return fVertexBufferRefs[i]; |
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} |
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hsGDeviceRef* plGBufferGroup::GetIndexBufferRef(UInt32 i) |
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{ |
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if( i >= fIndexBufferRefs.GetCount() ) |
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fIndexBufferRefs.ExpandAndZero(i+1); |
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return fIndexBufferRefs[i]; |
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} |
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//// ISendStorageToBuffers //////////////////////////////////////////////////// |
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void plGBufferGroup::ISendStorageToBuffers( plPipeline *pipe, hsBool adjustForNvidiaLighting ) |
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{ |
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plProfile_BeginTiming(DrawRefillVertex); |
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/// Creating or refreshing? |
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int i; |
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for( i = 0; i < fVertBuffStorage.GetCount(); i++ ) |
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{ |
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pipe->CheckVertexBufferRef(this, i); |
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} |
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plProfile_EndTiming(DrawRefillVertex); |
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plProfile_BeginTiming(DrawRefillIndex); |
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for( i = 0; i < fIdxBuffStorage.GetCount(); i++ ) |
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{ |
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pipe->CheckIndexBufferRef(this, i); |
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} |
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plProfile_EndTiming(DrawRefillIndex); |
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} |
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//// ICalcVertexSize ////////////////////////////////////////////////////////// |
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UInt8 plGBufferGroup::ICalcVertexSize( UInt8 &liteStride ) |
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{ |
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UInt8 size; |
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size = sizeof( float ) * ( 3 + 3 ); // pos + normal |
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size += sizeof( float ) * 3 * GetNumUVs(); |
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switch( fFormat & kSkinWeightMask ) |
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{ |
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case kSkinNoWeights: fNumSkinWeights = 0; break; |
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case kSkin1Weight: fNumSkinWeights = 1; break; |
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case kSkin2Weights: fNumSkinWeights = 2; break; |
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case kSkin3Weights: fNumSkinWeights = 3; break; |
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default: hsAssert( false, "Bad weight count in ICalcVertexSize()" ); |
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} |
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if( fNumSkinWeights ) |
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{ |
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size += sizeof( float ) * fNumSkinWeights; |
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if( fFormat & kSkinIndices ) |
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size += sizeof( UInt32 ); |
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} |
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liteStride = size; |
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size += sizeof( DWORD ) * 2; // diffuse + specular |
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return size; |
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} |
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//// I/O Functions //////////////////////////////////////////////////////////// |
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void plGBufferGroup::Read( hsStream *s ) |
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{ |
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UInt32 totalDynSize, i, count, temp = 0, j; |
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UInt8 *vData; |
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UInt16 *iData; |
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plGBufferColor *cData; |
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s->ReadSwap( &fFormat ); |
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totalDynSize = s->ReadSwap32(); |
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fStride = ICalcVertexSize( fLiteStride ); |
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fVertBuffSizes.Reset(); |
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fVertBuffStarts.Reset(); |
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fVertBuffEnds.Reset(); |
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fColorBuffCounts.Reset(); |
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fIdxBuffCounts.Reset(); |
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fIdxBuffStarts.Reset(); |
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fIdxBuffEnds.Reset(); |
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fVertBuffStorage.Reset(); |
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fIdxBuffStorage.Reset(); |
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plVertCoder coder; |
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/// Create buffers and read in as we go |
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count = s->ReadSwap32(); |
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for( i = 0; i < count; i++ ) |
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{ |
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if( fFormat & kEncoded ) |
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{ |
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const UInt16 numVerts = s->ReadSwap16(); |
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const UInt32 size = numVerts * fStride; |
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fVertBuffSizes.Append(size); |
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fVertBuffStarts.Append(0); |
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fVertBuffEnds.Append(-1); |
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vData = TRACKED_NEW UInt8[size]; |
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fVertBuffStorage.Append( vData ); |
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plProfile_NewMem(MemBufGrpVertex, temp); |
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coder.Read(s, vData, fFormat, fStride, numVerts); |
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fColorBuffCounts.Append(0); |
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fColorBuffStorage.Append(nil); |
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} |
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else |
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{ |
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temp = s->ReadSwap32(); |
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fVertBuffSizes.Append( temp ); |
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fVertBuffStarts.Append(0); |
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fVertBuffEnds.Append(-1); |
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vData = TRACKED_NEW UInt8[ temp ]; |
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hsAssert( vData != nil, "Not enough memory to read in vertices" ); |
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s->Read( temp, (void *)vData ); |
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fVertBuffStorage.Append( vData ); |
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plProfile_NewMem(MemBufGrpVertex, temp); |
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temp = s->ReadSwap32(); |
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fColorBuffCounts.Append( temp ); |
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if( temp > 0 ) |
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{ |
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cData = TRACKED_NEW plGBufferColor[ temp ]; |
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s->Read( temp * sizeof( plGBufferColor ), (void *)cData ); |
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plProfile_NewMem(MemBufGrpVertex, temp * sizeof(plGBufferColor)); |
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} |
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else |
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cData = nil; |
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fColorBuffStorage.Append( cData ); |
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} |
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} |
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count = s->ReadSwap32(); |
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for( i = 0; i < count; i++ ) |
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{ |
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temp = s->ReadSwap32(); |
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fIdxBuffCounts.Append( temp ); |
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fIdxBuffStarts.Append(0); |
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fIdxBuffEnds.Append(-1); |
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iData = TRACKED_NEW UInt16[ temp ]; |
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hsAssert( iData != nil, "Not enough memory to read in indices" ); |
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s->ReadSwap16( temp, (UInt16 *)iData ); |
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fIdxBuffStorage.Append( iData ); |
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plProfile_NewMem(MemBufGrpIndex, temp * sizeof(UInt16)); |
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} |
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/// Read in cell arrays, one per vBuffer |
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for( i = 0; i < fVertBuffStorage.GetCount(); i++ ) |
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{ |
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temp = s->ReadSwap32(); |
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fCells.Append( TRACKED_NEW hsTArray<plGBufferCell> ); |
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fCells[ i ]->SetCount( temp ); |
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for( j = 0; j < temp; j++ ) |
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(*fCells[ i ])[ j ].Read( s ); |
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} |
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} |
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//#define VERT_LOG |
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void plGBufferGroup::Write( hsStream *s ) |
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{ |
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UInt32 totalDynSize, i, j; |
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#define MF_VERTCODE_ENABLED |
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#ifdef MF_VERTCODE_ENABLED |
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fFormat |= kEncoded; |
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#endif // MF_VERTCODE_ENABLED |
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#ifdef VERT_LOG |
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hsUNIXStream log; |
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log.Open("log\\GBuf.log", "ab"); |
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#endif |
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/// Calc total dynamic data size, for fun |
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totalDynSize = 0; |
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for( i = 0; i < fVertBuffSizes.GetCount(); i++ ) |
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totalDynSize += fVertBuffSizes[ i ]; |
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for( i = 0; i < fIdxBuffCounts.GetCount(); i++ ) |
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totalDynSize += sizeof( UInt16 ) * fIdxBuffCounts[ i ]; |
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s->WriteSwap( fFormat ); |
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s->WriteSwap32( totalDynSize ); |
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plVertCoder coder; |
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/// Write out dyanmic data |
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s->WriteSwap32( (UInt32)fVertBuffStorage.GetCount() ); |
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for( i = 0; i < fVertBuffStorage.GetCount(); i++ ) |
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{ |
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#ifdef MF_VERTCODE_ENABLED |
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hsAssert(fCells[i]->GetCount() == 1, "Data must be interleaved for compression"); |
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UInt32 numVerts = fVertBuffSizes[i] / fStride; |
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s->WriteSwap16((UInt16)numVerts); |
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coder.Write(s, fVertBuffStorage[i], fFormat, fStride, (UInt16)numVerts); |
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#ifdef VERT_LOG |
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char buf[256]; |
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sprintf(buf, "Vert Buff: %u bytes, idx=%u\r\n", fVertBuffSizes[i], i); |
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log.WriteString(buf); |
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for (int xx = 0; xx < fVertBuffSizes[i] / 4; xx++) |
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{ |
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float* buff32 = (float*)fVertBuffStorage[i]; |
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buff32 += xx; |
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sprintf(buf, "[%d]%f\r\n", xx*4, *buff32); |
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log.WriteString(buf); |
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} |
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#endif |
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#else // MF_VERTCODE_ENABLED |
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s->WriteSwap32( fVertBuffSizes[ i ] ); |
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s->Write( fVertBuffSizes[ i ], (void *)fVertBuffStorage[ i ] ); |
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s->WriteSwap32( fColorBuffCounts[ i ] ); |
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s->Write( fColorBuffCounts[ i ] * sizeof( plGBufferColor ), (void *)fColorBuffStorage[ i ] ); |
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#endif // MF_VERTCODE_ENABLED |
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} |
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s->WriteSwap32( (UInt32)fIdxBuffCounts.GetCount() ); |
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for( i = 0; i < fIdxBuffStorage.GetCount(); i++ ) |
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{ |
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s->WriteSwap32( fIdxBuffCounts[ i ] ); |
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s->WriteSwap16( fIdxBuffCounts[ i ], fIdxBuffStorage[ i ] ); |
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} |
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/// Write out cell arrays |
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for( i = 0; i < fVertBuffStorage.GetCount(); i++ ) |
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{ |
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s->WriteSwap32( fCells[ i ]->GetCount() ); |
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for( j = 0; j < fCells[ i ]->GetCount(); j++ ) |
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(*fCells[ i ])[ j ].Write( s ); |
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} |
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#ifdef VERT_LOG |
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log.Close(); |
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#endif |
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// All done! |
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} |
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/////////////////////////////////////////////////////////////////////////////// |
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//// Editing Functions //////////////////////////////////////////////////////// |
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/////////////////////////////////////////////////////////////////////////////// |
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//// DeleteVertsFromStorage /////////////////////////////////////////////////// |
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// Deletes a span of verts from the vertex storage. Remember to Prep this |
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// group after doing this! |
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// Note: does NOT adjust index storage, since we don't know inside here |
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// which indices to adjust. Have to call that separately. |
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// Note 2: for simplicity sake, we only do this for groups with ONE interleaved |
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// cell. Doing this for multiple separated cells would be, literally, hell. |
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void plGBufferGroup::DeleteVertsFromStorage( UInt32 which, UInt32 start, UInt32 length ) |
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{ |
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UInt8 *dstPtr, *srcPtr; |
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UInt32 amount; |
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hsAssert( fCells[ which ]->GetCount() == 1, "Cannot delete verts on a mixed buffer group" ); |
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// Adjust cell 0 |
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(*fCells[ which ])[ 0 ].fLength -= length; |
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start *= fStride; |
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length *= fStride; |
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if( start + length < fVertBuffSizes[ which ] ) |
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{ |
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dstPtr = &( fVertBuffStorage[ which ][ start ] ); |
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srcPtr = &( fVertBuffStorage[ which ][ start + length ] ); |
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amount = ( fVertBuffSizes[ which ] ) - ( start + length ); |
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memmove( dstPtr, srcPtr, amount ); |
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} |
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fVertBuffSizes[ which ] -= length; |
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plProfile_DelMem(MemBufGrpVertex, length); |
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if( fVertexBufferRefs.GetCount() > which && fVertexBufferRefs[ which ] != nil ) |
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{ |
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hsRefCnt_SafeUnRef(fVertexBufferRefs[which]); |
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fVertexBufferRefs[which] = nil; |
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} |
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} |
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//// AdjustIndicesInStorage /////////////////////////////////////////////////// |
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// Adjusts indices >= a given threshold by a given delta. Use it to adjust |
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// indices after vertex deletion. Affects only the given buffer. |
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|
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void plGBufferGroup::AdjustIndicesInStorage( UInt32 which, UInt16 threshhold, Int16 delta ) |
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{ |
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int i; |
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for( i = 0; i < fIdxBuffCounts[ which ]; i++ ) |
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{ |
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if( fIdxBuffStorage[ which ][ i ] >= threshhold ) |
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fIdxBuffStorage[ which ][ i ] += delta; |
|
} |
|
|
|
if( fIndexBufferRefs.GetCount() > which && fIndexBufferRefs[ which ] != nil ) |
|
fIndexBufferRefs[ which ]->SetDirty( true ); |
|
|
|
} |
|
|
|
//// DeleteIndicesFromStorage ///////////////////////////////////////////////// |
|
// Deletes a span of indices from the index storage. Remember to Prep this |
|
// group after doing this! |
|
|
|
void plGBufferGroup::DeleteIndicesFromStorage( UInt32 which, UInt32 start, UInt32 length ) |
|
{ |
|
UInt16 *dstPtr, *srcPtr; |
|
UInt32 amount; |
|
|
|
|
|
hsAssert( start + length <= fIdxBuffCounts[ which ], "Illegal range to DeleteIndicesFromStorage()" ); |
|
|
|
if( start + length < fIdxBuffCounts[ which ] ) |
|
{ |
|
dstPtr = &( fIdxBuffStorage[ which ][ start ] ); |
|
srcPtr = &( fIdxBuffStorage[ which ][ start + length ] ); |
|
|
|
amount = fIdxBuffCounts[ which ] - ( start + length ); |
|
|
|
memmove( dstPtr, srcPtr, amount * sizeof( UInt16 ) ); |
|
} |
|
|
|
fIdxBuffCounts[ which ] -= length; |
|
plProfile_DelMem(MemBufGrpIndex, length * sizeof(UInt16)); |
|
|
|
if( fIndexBufferRefs.GetCount() > which && fIndexBufferRefs[ which ] != nil ) |
|
{ |
|
hsRefCnt_SafeUnRef(fIndexBufferRefs[which]); |
|
fIndexBufferRefs[which] = nil; |
|
} |
|
|
|
} |
|
|
|
//// GetNumPrimaryVertsLeft /////////////////////////////////////////////////// |
|
// Base on the cells, so we can take instanced cells into account |
|
|
|
UInt32 plGBufferGroup::GetNumPrimaryVertsLeft( void ) const |
|
{ |
|
return GetNumVertsLeft( 0 ); |
|
} |
|
|
|
//// GetNumVertsLeft ////////////////////////////////////////////////////////// |
|
// Base on the cells, so we can take instanced cells into account |
|
|
|
UInt32 plGBufferGroup::GetNumVertsLeft( UInt32 idx ) const |
|
{ |
|
if( idx >= fCells.GetCount() ) |
|
return kMaxNumVertsPerBuffer; |
|
|
|
UInt32 i, total = kMaxNumVertsPerBuffer; |
|
|
|
|
|
for( i = 0; i < fCells[ idx ]->GetCount(); i++ ) |
|
total -= (*fCells[ idx ])[ i ].fLength; |
|
|
|
return total; |
|
} |
|
|
|
//// IMakeCell //////////////////////////////////////////////////////////////// |
|
// Get a cell from the given cell array. |
|
|
|
UInt32 plGBufferGroup::IMakeCell( UInt32 vbIndex, UInt8 flags, UInt32 vStart, UInt32 cStart, UInt32 len, UInt32 *offset ) |
|
{ |
|
hsTArray<plGBufferCell> *cells = fCells[ vbIndex ]; |
|
|
|
|
|
if( !(flags & kReserveInterleaved) ) |
|
{ |
|
/// Note that there are THREE types of cells: interleaved (colorStart == -1), |
|
/// first of an instance group (colorStart != -1 && vStart != -1) and |
|
/// an instance (colorStart != -1 && vStart == -1 ). To simplify things, |
|
/// we never merge any separated cells |
|
|
|
if( flags & kReserveSeparated ) |
|
cells->Append( plGBufferCell( vStart, cStart, len ) ); |
|
else |
|
cells->Append( plGBufferCell( (UInt32)-1, cStart, len ) ); |
|
*offset = 0; |
|
} |
|
else |
|
{ |
|
/// Merge if the last cell was an interleaved cell |
|
if( cells->GetCount() > 0 && (*cells)[ cells->GetCount() - 1 ].fColorStart == (UInt32)-1 ) |
|
{ |
|
*offset = (*cells)[ cells->GetCount() - 1 ].fLength; |
|
(*cells)[ cells->GetCount() - 1 ].fLength += len; |
|
} |
|
else |
|
{ |
|
cells->Append( plGBufferCell( vStart, (UInt32)-1, len ) ); |
|
*offset = 0; |
|
} |
|
} |
|
|
|
return cells->GetCount() - 1; |
|
} |
|
|
|
//// ReserveVertStorage /////////////////////////////////////////////////////// |
|
// Takes a length to reserve in a vertex buffer and returns the buffer index |
|
// and starting position. Basically does what AppendToVertStorage() used to |
|
// do except it doesn't actually copy any data into the space reserved. |
|
|
|
hsBool plGBufferGroup::ReserveVertStorage( UInt32 numVerts, UInt32 *vbIndex, UInt32 *cell, UInt32 *offset, UInt8 flags ) |
|
{ |
|
UInt8 *storagePtr = nil; |
|
UInt32 cStartIdx = 0, vStartIdx = 0; |
|
plGBufferColor *cStoragePtr = nil; |
|
int i; |
|
|
|
|
|
if( numVerts >= kMaxNumVertsPerBuffer ) |
|
{ |
|
hsAssert( false, "Egad, why on earth are you adding that many verts???" ); |
|
return false; |
|
} |
|
|
|
/// Find a spot |
|
if( !(flags & kReserveIsolate) ) |
|
{ |
|
for( i = 0; i < fVertBuffStorage.GetCount(); i++ ) |
|
{ |
|
if( GetNumVertsLeft( i ) >= numVerts ) |
|
break; |
|
} |
|
} |
|
else |
|
{ |
|
i = fVertBuffStorage.GetCount(); |
|
} |
|
if( i == fVertBuffStorage.GetCount() ) |
|
{ |
|
if( (flags & kReserveInterleaved) || (flags & kReserveSeparated) ) |
|
{ |
|
fVertBuffStorage.Append( nil ); |
|
fVertBuffSizes.Append( 0 ); |
|
} |
|
fVertBuffStarts.Append(0); |
|
fVertBuffEnds.Append(-1); |
|
|
|
fColorBuffStorage.Append( nil ); |
|
fColorBuffCounts.Append( 0 ); |
|
|
|
fCells.Append( TRACKED_NEW hsTArray<plGBufferCell> ); |
|
} |
|
|
|
*vbIndex = i; |
|
|
|
if( !(flags & kReserveInterleaved) ) |
|
{ |
|
// Splitting the data into vertex and color storage |
|
if( flags & kReserveSeparated ) |
|
{ |
|
/// Increase the storage size |
|
vStartIdx = fVertBuffSizes[ i ]; |
|
storagePtr = TRACKED_NEW UInt8[ fVertBuffSizes[ i ] + numVerts * fLiteStride ]; |
|
if( fVertBuffSizes[ i ] > 0 ) |
|
memcpy( storagePtr, fVertBuffStorage[ i ], fVertBuffSizes[ i ] ); |
|
fVertBuffSizes[ i ] += numVerts * fLiteStride; |
|
plProfile_NewMem(MemBufGrpVertex, numVerts * fLiteStride); |
|
} |
|
|
|
/// Color too |
|
cStartIdx = fColorBuffCounts[ i ]; |
|
cStoragePtr = TRACKED_NEW plGBufferColor[ fColorBuffCounts[ i ] + numVerts ]; |
|
if( fColorBuffCounts[ i ] > 0 ) |
|
memcpy( cStoragePtr, fColorBuffStorage[ i ], fColorBuffCounts[ i ] * sizeof( plGBufferColor ) ); |
|
} |
|
else |
|
{ |
|
// Interleaved |
|
|
|
/// Increase the storage size |
|
vStartIdx = fVertBuffSizes[ i ]; |
|
storagePtr = TRACKED_NEW UInt8[ fVertBuffSizes[ i ] + numVerts * fStride ]; |
|
if( fVertBuffSizes[ i ] > 0 ) |
|
memcpy( storagePtr, fVertBuffStorage[ i ], fVertBuffSizes[ i ] ); |
|
fVertBuffSizes[ i ] += numVerts * fStride; |
|
plProfile_NewMem(MemBufGrpVertex, numVerts * fStride); |
|
} |
|
|
|
/// Switch over |
|
if( storagePtr != nil ) |
|
{ |
|
if( fVertBuffStorage[ i ] != nil ) |
|
delete [] fVertBuffStorage[ i ]; |
|
fVertBuffStorage[ i ] = storagePtr; |
|
} |
|
if( cStoragePtr != nil ) |
|
{ |
|
if( fColorBuffStorage[ i ] != nil ) |
|
delete [] fColorBuffStorage[ i ]; |
|
fColorBuffStorage[ i ] = cStoragePtr; |
|
fColorBuffCounts[ i ] += numVerts; |
|
plProfile_NewMem(MemBufGrpVertex, numVerts * sizeof(plGBufferColor)); |
|
} |
|
|
|
if( fVertexBufferRefs.GetCount() > i && fVertexBufferRefs[ i ] != nil ) |
|
{ |
|
hsRefCnt_SafeUnRef(fVertexBufferRefs[i]); |
|
fVertexBufferRefs[i] = nil; |
|
} |
|
|
|
/// Append a cell entry |
|
*cell = IMakeCell( i, flags, vStartIdx, cStartIdx, numVerts, offset ); |
|
|
|
/// All done! |
|
return true; |
|
} |
|
|
|
//// AppendToVertStorage ////////////////////////////////////////////////////// |
|
// Given an opaque array of vertex data, puts it into the first available spot |
|
// in fVertStorage. If there is no array on fVertStorage that can hold them, |
|
// we create a new one. Returns the index of the storage array and the |
|
// starting index into the array. Note that we basically stick it wherever |
|
// we can, instead of at the end. |
|
// Updated 4.30.2001 mcn to take in a plGeometrySpan as a source rather than |
|
// raw data, since the plGeometrySpan no longer stores data in exactly the |
|
// same format. |
|
// Updated 6.15.2001 mcn to use ReserveVertStorage(). |
|
|
|
void plGBufferGroup::AppendToVertStorage( plGeometrySpan *srcSpan, UInt32 *vbIndex, UInt32 *cell, UInt32 *offset ) |
|
{ |
|
if( !ReserveVertStorage( srcSpan->fNumVerts, vbIndex, cell, offset, kReserveInterleaved ) ) |
|
return; |
|
|
|
StuffToVertStorage( srcSpan, *vbIndex, *cell, *offset, kReserveInterleaved ); |
|
} |
|
|
|
//// AppendToVertAndColorStorage ////////////////////////////////////////////// |
|
// Same as AppendToVertStorage(), but writes only the verts to the vertex |
|
// storage and the colors to the separate color storage. |
|
|
|
void plGBufferGroup::AppendToVertAndColorStorage( plGeometrySpan *srcSpan, UInt32 *vbIndex, UInt32 *cell, UInt32 *offset ) |
|
{ |
|
if( !ReserveVertStorage( srcSpan->fNumVerts, vbIndex, cell, offset, kReserveSeparated ) ) |
|
return; |
|
|
|
StuffToVertStorage( srcSpan, *vbIndex, *cell, *offset, kReserveSeparated ); |
|
} |
|
|
|
//// AppendToColorStorage ///////////////////////////////////////////////////// |
|
// Same as AppendToVertStorage(), but writes JUST to color storage. |
|
|
|
void plGBufferGroup::AppendToColorStorage( plGeometrySpan *srcSpan, UInt32 *vbIndex, UInt32 *cell, UInt32 *offset, UInt32 origCell ) |
|
{ |
|
if( !ReserveVertStorage( srcSpan->fNumVerts, vbIndex, cell, offset, kReserveColors ) ) |
|
return; |
|
|
|
(*fCells[ *vbIndex ])[ *cell ].fVtxStart = (*fCells[ *vbIndex ])[ origCell ].fVtxStart; |
|
|
|
StuffToVertStorage( srcSpan, *vbIndex, *cell, *offset, kReserveColors ); |
|
} |
|
|
|
//// IGetStartVtxPointer ////////////////////////////////////////////////////// |
|
// Get the start vertex and color buffer pointers for a given cell and offset |
|
|
|
void plGBufferGroup::IGetStartVtxPointer( UInt32 vbIndex, UInt32 cell, UInt32 offset, UInt8 *&tempPtr, plGBufferColor *&cPtr ) |
|
{ |
|
hsAssert( vbIndex < fVertBuffStorage.GetCount(), "Invalid vbIndex in StuffToVertStorage()" ); |
|
hsAssert( cell < fCells[ vbIndex ]->GetCount(), "Invalid cell in StuffToVertStorage()" ); |
|
|
|
tempPtr = fVertBuffStorage[ vbIndex ]; |
|
cPtr = fColorBuffStorage[ vbIndex ]; |
|
|
|
tempPtr += (*fCells[ vbIndex ])[ cell ].fVtxStart; |
|
cPtr += (*fCells[ vbIndex ])[ cell ].fColorStart; |
|
|
|
if( offset > 0 ) |
|
{ |
|
tempPtr += offset * ( ( (*fCells[ vbIndex ])[ cell ].fColorStart == (UInt32)-1 ) ? fStride : fLiteStride ); |
|
cPtr += offset; |
|
} |
|
} |
|
|
|
//// GetVertBufferCount /////////////////////////////////////////////////////// |
|
|
|
UInt32 plGBufferGroup::GetVertBufferCount( UInt32 idx ) const |
|
{ |
|
return GetVertStartFromCell( idx, fCells[ idx ]->GetCount(), 0 ); |
|
} |
|
|
|
//// GetVertStartFromCell ///////////////////////////////////////////////////// |
|
|
|
UInt32 plGBufferGroup::GetVertStartFromCell( UInt32 vbIndex, UInt32 cell, UInt32 offset ) const |
|
{ |
|
UInt32 i, numVerts; |
|
|
|
|
|
hsAssert( vbIndex < fVertBuffStorage.GetCount(), "Invalid vbIndex in StuffToVertStorage()" ); |
|
hsAssert( cell <= fCells[ vbIndex ]->GetCount(), "Invalid cell in StuffToVertStorage()" ); |
|
|
|
numVerts = 0; |
|
for( i = 0; i < cell; i++ ) |
|
numVerts += (*fCells[ vbIndex ])[ i ].fLength; |
|
|
|
numVerts += offset; |
|
|
|
return numVerts; |
|
} |
|
|
|
//// StuffToVertStorage /////////////////////////////////////////////////////// |
|
// Stuffs data from a plGeometrySpan into the specified location in the |
|
// specified vertex buffer. |
|
|
|
void plGBufferGroup::StuffToVertStorage( plGeometrySpan *srcSpan, UInt32 vbIndex, UInt32 cell, UInt32 offset, UInt8 flags ) |
|
{ |
|
UInt8 *tempPtr, stride; |
|
plGBufferColor *cPtr; |
|
int i, j, numVerts; |
|
plGBufferCell *cellPtr; |
|
|
|
|
|
hsAssert( vbIndex < fVertBuffStorage.GetCount(), "Invalid vbIndex in StuffToVertStorage()" ); |
|
hsAssert( cell < fCells[ vbIndex ]->GetCount(), "Invalid cell in StuffToVertStorage()" ); |
|
|
|
IGetStartVtxPointer( vbIndex, cell, offset, tempPtr, cPtr ); |
|
cellPtr = &(*fCells[ vbIndex ])[ cell ]; |
|
stride = ( cellPtr->fColorStart != (UInt32)-1 ) ? fLiteStride : fStride; |
|
|
|
numVerts = srcSpan->fNumVerts; |
|
|
|
/// Copy the data over |
|
for( i = 0; i < numVerts; i++ ) |
|
{ |
|
hsPoint3 pos; |
|
float weights[ 3 ]; |
|
UInt32 weightIndices; |
|
hsVector3 norm; |
|
UInt32 color, specColor; |
|
hsPoint3 uvs[ plGeometrySpan::kMaxNumUVChannels ]; |
|
float *fPtr; |
|
UInt32 *dPtr; |
|
|
|
|
|
// Gotta swap the data around, since plGeometrySpans store the data slightly differently |
|
if( flags & kReserveColors ) |
|
{ |
|
/// Just do colors |
|
srcSpan->ExtractVertex( i, &pos, &norm, &color, &specColor ); |
|
|
|
cPtr->fDiffuse = color; |
|
cPtr->fSpecular = specColor; |
|
} |
|
else |
|
{ |
|
/// Do verts, possibly colors as well |
|
srcSpan->ExtractVertex( i, &pos, &norm, &color, &specColor ); |
|
if( ( fFormat & kSkinWeightMask ) != kSkinNoWeights ) |
|
srcSpan->ExtractWeights( i, weights, &weightIndices ); |
|
for( j = 0; j < GetNumUVs(); j++ ) |
|
srcSpan->ExtractUv( i, j, &uvs[ j ] ); |
|
|
|
// Stuff it in now |
|
fPtr = (float *)tempPtr; |
|
fPtr[ 0 ] = pos.fX; |
|
fPtr[ 1 ] = pos.fY; |
|
fPtr[ 2 ] = pos.fZ; |
|
fPtr += 3; |
|
|
|
if( fNumSkinWeights > 0 ) |
|
{ |
|
for( j = 0; j < fNumSkinWeights; j++ ) |
|
{ |
|
*fPtr = weights[ j ]; |
|
fPtr++; |
|
} |
|
|
|
if( fNumSkinWeights > 1 ) |
|
{ |
|
dPtr = (UInt32 *)fPtr; |
|
*dPtr = weightIndices; |
|
|
|
dPtr++; |
|
fPtr = (float *)dPtr; |
|
} |
|
} |
|
|
|
fPtr[ 0 ] = norm.fX; |
|
fPtr[ 1 ] = norm.fY; |
|
fPtr[ 2 ] = norm.fZ; |
|
fPtr += 3; |
|
|
|
if( flags & kReserveInterleaved ) |
|
{ |
|
dPtr = (UInt32 *)fPtr; |
|
dPtr[ 0 ] = color; |
|
dPtr[ 1 ] = specColor; |
|
dPtr += 2; |
|
fPtr = (float *)dPtr; |
|
} |
|
else |
|
{ |
|
cPtr->fDiffuse = color; |
|
cPtr->fSpecular = specColor; |
|
} |
|
|
|
for( j = 0; j < GetNumUVs(); j++ ) |
|
{ |
|
fPtr[ 0 ] = uvs[ j ].fX; |
|
fPtr[ 1 ] = uvs[ j ].fY; |
|
fPtr[ 2 ] = uvs[ j ].fZ; |
|
fPtr += 3; |
|
} |
|
} |
|
|
|
tempPtr += stride; |
|
cPtr++; |
|
} |
|
|
|
if( ( vbIndex < fVertexBufferRefs.GetCount() ) && fVertexBufferRefs[ vbIndex ] ) |
|
fVertexBufferRefs[ vbIndex ]->SetDirty( true ); |
|
} |
|
|
|
|
|
//// ReserveIndexStorage ////////////////////////////////////////////////////// |
|
// Same as ReserveVertStorage(), only for indices :) |
|
|
|
hsBool plGBufferGroup::ReserveIndexStorage( UInt32 numIndices, UInt32 *ibIndex, UInt32 *ibStart, UInt16 **dataPtr ) |
|
{ |
|
UInt16 *storagePtr; |
|
int i; |
|
|
|
|
|
if( numIndices >= kMaxNumIndicesPerBuffer ) |
|
{ |
|
hsAssert( false, "Egad, why on earth are you adding that many indices???" ); |
|
return false; |
|
} |
|
|
|
/// Find a spot |
|
for( i = 0; i < fIdxBuffStorage.GetCount(); i++ ) |
|
{ |
|
|
|
if( fIdxBuffCounts[ i ] + numIndices < kMaxNumIndicesPerBuffer ) |
|
break; |
|
} |
|
if( i == fIdxBuffStorage.GetCount() ) |
|
{ |
|
fIdxBuffStorage.Append( nil ); |
|
fIdxBuffCounts.Append( 0 ); |
|
|
|
fIdxBuffStarts.Append(0); |
|
fIdxBuffEnds.Append(-1); |
|
} |
|
|
|
*ibIndex = i; |
|
*ibStart = fIdxBuffCounts[ i ]; |
|
|
|
/// Increase the storage size |
|
storagePtr = TRACKED_NEW UInt16[ fIdxBuffCounts[ i ] + numIndices ]; |
|
if( fIdxBuffCounts[ i ] > 0 ) |
|
memcpy( storagePtr, fIdxBuffStorage[ i ], fIdxBuffCounts[ i ] * sizeof( UInt16 ) ); |
|
|
|
if( dataPtr != nil ) |
|
*dataPtr = storagePtr + fIdxBuffCounts[ i ]; |
|
|
|
/// Switch over |
|
i = *ibIndex; |
|
if( fIdxBuffStorage[ i ] != nil ) |
|
delete [] fIdxBuffStorage[ i ]; |
|
fIdxBuffStorage[ i ] = storagePtr; |
|
fIdxBuffCounts[ i ] += numIndices; |
|
plProfile_NewMem(MemBufGrpIndex, numIndices * sizeof(UInt16)); |
|
|
|
/// All done! |
|
if( fIndexBufferRefs.GetCount() > i && fIndexBufferRefs[ i ] != nil ) |
|
{ |
|
hsRefCnt_SafeUnRef(fIndexBufferRefs[i]); |
|
fIndexBufferRefs[i] = nil; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
//// AppendToIndexStorage ///////////////////////////////////////////////////// |
|
// Same as AppendToVertStorage, only for the index buffers and indices. Duh :) |
|
|
|
void plGBufferGroup::AppendToIndexStorage( UInt32 numIndices, UInt16 *data, UInt32 addToAll, |
|
UInt32 *ibIndex, UInt32 *ibStart ) |
|
{ |
|
UInt16 *tempPtr; |
|
int i; |
|
|
|
|
|
if( !ReserveIndexStorage( numIndices, ibIndex, ibStart, &tempPtr ) ) |
|
return; |
|
|
|
/// Copy new indices over, offsetting them as we were told to |
|
for( i = 0; i < numIndices; i++ ) |
|
tempPtr[ i ] = data[ i ] + (UInt16)addToAll; |
|
|
|
/// All done! |
|
} |
|
|
|
//// ConvertToTriList ///////////////////////////////////////////////////////// |
|
// Returns an array of plGBufferTriangles representing the span of indices |
|
// specified. |
|
|
|
plGBufferTriangle *plGBufferGroup::ConvertToTriList( Int16 spanIndex, UInt32 whichIdx, UInt32 whichVtx, UInt32 whichCell, UInt32 start, UInt32 numTriangles ) |
|
{ |
|
plGBufferTriangle *array; |
|
UInt16 *storagePtr; |
|
UInt8 *vertStgPtr, stride; |
|
float *vertPtr; |
|
int i, j; |
|
hsPoint3 center; |
|
UInt32 offsetBy; |
|
plGBufferColor *wastePtr; |
|
|
|
|
|
/// Sanity checks |
|
hsAssert( whichIdx < fIdxBuffStorage.GetCount(), "Invalid index buffer ID to ConvertToTriList()" ); |
|
hsAssert( whichVtx < fVertBuffStorage.GetCount(), "Invalid vertex buffer ID to ConvertToTriList()" ); |
|
hsAssert( start < fIdxBuffCounts[ whichIdx ], "Invalid start index to ConvertToTriList()" ); |
|
hsAssert( start + numTriangles * 3 <= fIdxBuffCounts[ whichIdx ], "Invalid count to ConvertToTriList()" ); |
|
hsAssert( whichCell < fCells[ whichVtx ]->GetCount(), "Invalid cell to ConvertToTriList()" ); |
|
|
|
/// Create the array and fill it |
|
array = TRACKED_NEW plGBufferTriangle[ numTriangles ]; |
|
hsAssert( array != nil, "Not enough memory to create triangle data in ConvertToTriList()" ); |
|
|
|
storagePtr = fIdxBuffStorage[ whichIdx ]; |
|
IGetStartVtxPointer( whichVtx, whichCell, 0, vertStgPtr, wastePtr ); |
|
offsetBy = GetVertStartFromCell( whichVtx, whichCell, 0 ); |
|
stride = ( (*fCells[ whichVtx ])[ whichCell ].fColorStart == (UInt32)-1 ) ? fStride : fLiteStride; |
|
|
|
for( i = 0, j = 0; i < numTriangles; i++, j += 3 ) |
|
{ |
|
center.fX = center.fY = center.fZ = 0; |
|
|
|
vertPtr = (float *)( vertStgPtr + stride * ( storagePtr[ start + j + 0 ] - offsetBy ) ); |
|
|
|
center.fX += vertPtr[ 0 ]; |
|
center.fY += vertPtr[ 1 ]; |
|
center.fZ += vertPtr[ 2 ]; |
|
|
|
vertPtr = (float *)( vertStgPtr + stride * ( storagePtr[ start + j + 1 ] - offsetBy ) ); |
|
|
|
center.fX += vertPtr[ 0 ]; |
|
center.fY += vertPtr[ 1 ]; |
|
center.fZ += vertPtr[ 2 ]; |
|
|
|
vertPtr = (float *)( vertStgPtr + stride * ( storagePtr[ start + j + 2 ] - offsetBy ) ); |
|
|
|
center.fX += vertPtr[ 0 ]; |
|
center.fY += vertPtr[ 1 ]; |
|
center.fZ += vertPtr[ 2 ]; |
|
|
|
center.fX /= 3.0f; |
|
center.fY /= 3.0f; |
|
center.fZ /= 3.0f; |
|
|
|
array[ i ].fSpanIndex = spanIndex; |
|
array[ i ].fIndex1 = storagePtr[ start + j + 0 ]; |
|
array[ i ].fIndex2 = storagePtr[ start + j + 1 ]; |
|
array[ i ].fIndex3 = storagePtr[ start + j + 2 ]; |
|
array[ i ].fCenter = center; |
|
} |
|
|
|
/// All done! |
|
return array; |
|
} |
|
|
|
//// StuffFromTriList ///////////////////////////////////////////////////////// |
|
// Stuffs the indices from an array of plGBufferTriangles into the index |
|
// storage. |
|
|
|
void plGBufferGroup::StuffFromTriList( UInt32 which, UInt32 start, UInt32 numTriangles, UInt16 *data ) |
|
{ |
|
UInt16 *storagePtr; |
|
|
|
|
|
/// Sanity checks |
|
hsAssert( which < fIdxBuffStorage.GetCount(), "Invalid index buffer ID to StuffFromTriList()" ); |
|
hsAssert( start < fIdxBuffCounts[ which ], "Invalid start index to StuffFromTriList()" ); |
|
hsAssert( start + numTriangles * 3 <= fIdxBuffCounts[ which ], "Invalid count to StuffFromTriList()" ); |
|
|
|
|
|
/// This is easy--just stuff! |
|
storagePtr = fIdxBuffStorage[ which ]; |
|
#define MF_SPEED_THIS_UP |
|
#ifndef MF_SPEED_THIS_UP |
|
int i, j; |
|
for( i = 0, j = 0; i < numTriangles; i++, j += 3 ) |
|
{ |
|
storagePtr[ start + j ] = data[ i ].fIndex1; |
|
storagePtr[ start + j + 1 ] = data[ i ].fIndex2; |
|
storagePtr[ start + j + 2 ] = data[ i ].fIndex3; |
|
} |
|
#else // MF_SPEED_THIS_UP |
|
memcpy( storagePtr + start, data, numTriangles * 3 * sizeof(*data) ); |
|
#endif // MF_SPEED_THIS_UP |
|
|
|
/// All done! Just make sure we refresh before we render... |
|
if( fIndexBufferRefs.GetCount() > which && fIndexBufferRefs[ which ] != nil ) |
|
fIndexBufferRefs[ which ]->SetDirty( true ); |
|
|
|
} |
|
|
|
//// StuffTri ///////////////////////////////////////////////////////////////// |
|
|
|
void plGBufferGroup::StuffTri( UInt32 iBuff, UInt32 iTri, UInt16 idx0, UInt16 idx1, UInt16 idx2 ) |
|
{ |
|
/// Sanity checks |
|
hsAssert( iBuff < fIdxBuffStorage.GetCount(), "Invalid index buffer ID to StuffFromTriList()" ); |
|
hsAssert( iTri < fIdxBuffCounts[ iBuff ], "Invalid start index to StuffFromTriList()" ); |
|
|
|
fIdxBuffStorage[ iBuff ][ iTri + 0 ] = idx0; |
|
fIdxBuffStorage[ iBuff ][ iTri + 1 ] = idx1; |
|
fIdxBuffStorage[ iBuff ][ iTri + 2 ] = idx2; |
|
|
|
} |
|
|
|
//// Accessor Functions /////////////////////////////////////////////////////// |
|
|
|
hsPoint3 &plGBufferGroup::Position( int iBuff, UInt32 cell, int iVtx ) |
|
{ |
|
UInt8 *vertStgPtr; |
|
plGBufferColor *cPtr; |
|
|
|
IGetStartVtxPointer( iBuff, cell, iVtx, vertStgPtr, cPtr ); |
|
|
|
return *(hsPoint3 *)( vertStgPtr + 0 ); |
|
} |
|
|
|
hsVector3 &plGBufferGroup::Normal( int iBuff, UInt32 cell, int iVtx ) |
|
{ |
|
UInt8 *vertStgPtr; |
|
plGBufferColor *cPtr; |
|
|
|
IGetStartVtxPointer( iBuff, cell, iVtx, vertStgPtr, cPtr ); |
|
|
|
return *(hsVector3 *)( vertStgPtr + sizeof( hsPoint3 ) ); |
|
} |
|
|
|
UInt32 &plGBufferGroup::Color( int iBuff, UInt32 cell, int iVtx ) |
|
{ |
|
UInt8 *vertStgPtr; |
|
plGBufferColor *cPtr; |
|
|
|
IGetStartVtxPointer( iBuff, cell, iVtx, vertStgPtr, cPtr ); |
|
|
|
if( (*fCells[ iBuff ])[ cell ].fColorStart != (UInt32)-1 ) |
|
return *(UInt32 *)( &cPtr->fDiffuse ); |
|
else |
|
return *(UInt32 *)( vertStgPtr + 2 * sizeof( hsPoint3 ) ); |
|
} |
|
|
|
UInt32 &plGBufferGroup::Specular( int iBuff, UInt32 cell, int iVtx ) |
|
{ |
|
UInt8 *vertStgPtr; |
|
plGBufferColor *cPtr; |
|
|
|
IGetStartVtxPointer( iBuff, cell, iVtx, vertStgPtr, cPtr ); |
|
|
|
if( (*fCells[ iBuff ])[ cell ].fColorStart != (UInt32)-1 ) |
|
return *(UInt32 *)( &cPtr->fSpecular ); |
|
else |
|
return *(UInt32 *)( vertStgPtr + 2 * sizeof( hsPoint3 ) ); |
|
} |
|
|
|
hsPoint3 &plGBufferGroup::UV( int iBuff, UInt32 cell, int iVtx, int channel ) |
|
{ |
|
UInt8 *vertStgPtr; |
|
plGBufferColor *cPtr; |
|
|
|
IGetStartVtxPointer( iBuff, cell, iVtx, vertStgPtr, cPtr ); |
|
|
|
vertStgPtr += 2 * sizeof( hsPoint3 ) + channel * sizeof( hsPoint3 ); |
|
|
|
if( (*fCells[ iBuff ])[ cell ].fColorStart != (UInt32)-1 ) |
|
return *(hsPoint3 *)( vertStgPtr ); |
|
else |
|
return *(hsPoint3 *)( vertStgPtr + 2 * sizeof( UInt32 ) ); |
|
}
|
|
|