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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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#ifndef plAuxSpan_inc
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#define plAuxSpan_inc
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#include "hsTemplates.h"
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#include "plSpanTypes.h"
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#include "plPipeline/plGBufferGroup.h"
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class plDrawableSpans;
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class hsGMaterial;
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class plGBufferGroup;
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class plDecalVtxFormat;
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class plAuxSpan
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{
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public:
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enum
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{
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kRTLit = 0x1,
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kOverrideLiteModel = 0x2,
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kAttenColor = 0x4,
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kWorldSpace = 0x8,
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kVertexShader = 0x10
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};
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void* fOwner;
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plDrawableSpans* fDrawable;
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UInt32 fBaseSpanIdx;
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hsGMaterial* fMaterial;
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UInt32 fFlags;
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hsTArray<hsPoint3> fOrigPos;
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hsTArray<hsPoint3> fOrigUVW;
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plGBufferGroup* fGroup; // Which buffer group, i.e. which vertex format
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UInt32 fVBufferIdx; // Which vertex buffer in group
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UInt32 fCellIdx; // Cell index inside the vertex buffer
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UInt32 fCellOffset; // Offset inside the cell
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UInt32 fVStartIdx; // Start vertex # in the actual interlaced buffer
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UInt32 fVLength; // Length of this span in the buffer
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UInt32 fVBufferInit;
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UInt32 fVBufferLimit;
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UInt32 fIBufferIdx; // Which index buffer in group
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UInt32 fIStartIdx; // Redundant, since all spans are contiguous. Here for debugging
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UInt32 fILength; // Length of this span in the buffer
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UInt32 fIBufferInit;
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UInt32 fIBufferLimit;
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plDecalVtxFormat* GetBaseVtxPtr() const
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{
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plGBufferGroup* grp = fGroup;
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plGBufferCell* cell = grp->GetCell(fVBufferIdx, fCellIdx);
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UInt8* ptr = grp->GetVertBufferData(fVBufferIdx);
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ptr += cell->fVtxStart + fCellOffset;
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return (plDecalVtxFormat*)ptr;
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}
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UInt16* GetBaseIdxPtr() const
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{
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plGBufferGroup* grp = fGroup;
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return grp->GetIndexBufferData(fIBufferIdx) + fIBufferInit;
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}
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};
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#endif // plAuxSpan_inc
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