138 lines
4.2 KiB
C++
138 lines
4.2 KiB
C++
/**
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* @file llvopartgroup.h
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* @brief Group of particle systems
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#ifndef LL_LLVOPARTGROUP_H
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#define LL_LLVOPARTGROUP_H
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#include "llviewerobject.h"
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#include "v3math.h"
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#include "v3color.h"
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#include "llframetimer.h"
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#include "llviewerpartsim.h"
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#include "llvertexbuffer.h"
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class LLViewerPartGroup;
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class LLVOPartGroup : public LLAlphaObject
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{
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public:
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//vertex buffer for holding all particles
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static LLPointer<LLVertexBuffer> sVB;
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static S32 sVBSlotFree[LL_MAX_PARTICLE_COUNT];
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static S32* sVBSlotCursor;
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//static S32 sVBSlotCursor;
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static void initClass();
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static void restoreGL();
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static void destroyGL();
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static S32 findAvailableVBSlot();
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static void freeVBSlot(S32 idx);
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enum
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{
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VERTEX_DATA_MASK = LLVertexBuffer::MAP_VERTEX |
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LLVertexBuffer::MAP_NORMAL |
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LLVertexBuffer::MAP_TEXCOORD0 |
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LLVertexBuffer::MAP_COLOR |
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LLVertexBuffer::MAP_EMISSIVE |
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LLVertexBuffer::MAP_TEXTURE_INDEX
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};
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LLVOPartGroup(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp);
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/*virtual*/ BOOL isActive() const; // Whether this object needs to do an idleUpdate.
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void idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time);
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virtual F32 getBinRadius();
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virtual void updateSpatialExtents(LLVector4a& newMin, LLVector4a& newMax);
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virtual U32 getPartitionType() const;
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/*virtual*/ BOOL lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end,
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S32 face,
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BOOL pick_transparent,
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S32* face_hit,
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LLVector4a* intersection,
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LLVector2* tex_coord,
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LLVector4a* normal,
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LLVector4a* tangent);
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/*virtual*/ void setPixelAreaAndAngle(LLAgent &agent);
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/*virtual*/ void updateTextures();
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/*virtual*/ LLDrawable* createDrawable(LLPipeline *pipeline);
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/*virtual*/ BOOL updateGeometry(LLDrawable *drawable);
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void getGeometry(const LLViewerPart& part,
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LLStrider<LLVector4a>& verticesp);
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void getGeometry(S32 idx,
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LLStrider<LLVector4a>& verticesp,
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LLStrider<LLVector3>& normalsp,
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LLStrider<LLVector2>& texcoordsp,
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LLStrider<LLColor4U>& colorsp,
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LLStrider<LLColor4U>& emissivep,
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LLStrider<U16>& indicesp);
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void updateFaceSize(S32 idx) { }
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F32 getPartSize(S32 idx);
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void getBlendFunc(S32 idx, U32& src, U32& dst);
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LLUUID getPartOwner(S32 idx);
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LLUUID getPartSource(S32 idx);
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void setViewerPartGroup(LLViewerPartGroup *part_groupp) { mViewerPartGroupp = part_groupp; }
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LLViewerPartGroup* getViewerPartGroup() { return mViewerPartGroupp; }
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protected:
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~LLVOPartGroup();
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LLViewerPartGroup *mViewerPartGroupp;
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virtual LLVector3 getCameraPosition() const;
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};
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class LLVOHUDPartGroup : public LLVOPartGroup
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{
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public:
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LLVOHUDPartGroup(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp) :
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LLVOPartGroup(id, pcode, regionp)
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{
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}
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protected:
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LLDrawable* createDrawable(LLPipeline *pipeline);
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U32 getPartitionType() const;
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virtual LLVector3 getCameraPosition() const;
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};
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#endif // LL_LLVOPARTGROUP_H
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