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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef plAuxSpan_inc
#define plAuxSpan_inc
#include "hsTemplates.h"
#include "plSpanTypes.h"
#include "plPipeline/plGBufferGroup.h"
class plDrawableSpans;
class hsGMaterial;
class plGBufferGroup;
class plDecalVtxFormat;
class plAuxSpan
{
public:
enum
{
kRTLit = 0x1,
kOverrideLiteModel = 0x2,
kAttenColor = 0x4,
kWorldSpace = 0x8,
kVertexShader = 0x10
};
void* fOwner;
plDrawableSpans* fDrawable;
UInt32 fBaseSpanIdx;
hsGMaterial* fMaterial;
UInt32 fFlags;
hsTArray<hsPoint3> fOrigPos;
hsTArray<hsPoint3> fOrigUVW;
plGBufferGroup* fGroup; // Which buffer group, i.e. which vertex format
UInt32 fVBufferIdx; // Which vertex buffer in group
UInt32 fCellIdx; // Cell index inside the vertex buffer
UInt32 fCellOffset; // Offset inside the cell
UInt32 fVStartIdx; // Start vertex # in the actual interlaced buffer
UInt32 fVLength; // Length of this span in the buffer
UInt32 fVBufferInit;
UInt32 fVBufferLimit;
UInt32 fIBufferIdx; // Which index buffer in group
UInt32 fIStartIdx; // Redundant, since all spans are contiguous. Here for debugging
UInt32 fILength; // Length of this span in the buffer
UInt32 fIBufferInit;
UInt32 fIBufferLimit;
plDecalVtxFormat* GetBaseVtxPtr() const
{
plGBufferGroup* grp = fGroup;
plGBufferCell* cell = grp->GetCell(fVBufferIdx, fCellIdx);
UInt8* ptr = grp->GetVertBufferData(fVBufferIdx);
ptr += cell->fVtxStart + fCellOffset;
return (plDecalVtxFormat*)ptr;
}
UInt16* GetBaseIdxPtr() const
{
plGBufferGroup* grp = fGroup;
return grp->GetIndexBufferData(fIBufferIdx) + fIBufferInit;
}
};
#endif // plAuxSpan_inc