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/**
* @file llvopartgroup.h
* @brief Group of particle systems
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLVOPARTGROUP_H
#define LL_LLVOPARTGROUP_H
#include "llviewerobject.h"
#include "v3math.h"
#include "v3color.h"
#include "llframetimer.h"
#include "llviewerpartsim.h"
#include "llvertexbuffer.h"
class LLViewerPartGroup;
class LLVOPartGroup : public LLAlphaObject
{
public:
//vertex buffer for holding all particles
static LLPointer<LLVertexBuffer> sVB;
static S32 sVBSlotFree[LL_MAX_PARTICLE_COUNT];
static S32 *sVBSlotCursor;
static void initClass();
static void restoreGL();
static void destroyGL();
static S32 findAvailableVBSlot();
static void freeVBSlot(S32 idx);
enum
{
VERTEX_DATA_MASK = LLVertexBuffer::MAP_VERTEX |
LLVertexBuffer::MAP_NORMAL |
LLVertexBuffer::MAP_TEXCOORD0 |
LLVertexBuffer::MAP_COLOR |
LLVertexBuffer::MAP_EMISSIVE |
LLVertexBuffer::MAP_TEXTURE_INDEX
};
LLVOPartGroup(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp);
/*virtual*/ BOOL isActive() const; // Whether this object needs to do an idleUpdate.
void idleUpdate(LLAgent &agent, const F64 &time);
virtual F32 getBinRadius();
virtual void updateSpatialExtents(LLVector4a& newMin, LLVector4a& newMax);
virtual U32 getPartitionType() const;
/*virtual*/ BOOL lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end,
S32 face,
BOOL pick_transparent,
BOOL pick_rigged,
S32* face_hit,
LLVector4a* intersection,
LLVector2* tex_coord,
LLVector4a* normal,
LLVector4a* tangent);
/*virtual*/ void setPixelAreaAndAngle(LLAgent &agent);
/*virtual*/ void updateTextures();
/*virtual*/ LLDrawable* createDrawable(LLPipeline *pipeline);
/*virtual*/ BOOL updateGeometry(LLDrawable *drawable);
void getGeometry(const LLViewerPart& part,
LLStrider<LLVector4a>& verticesp);
void getGeometry(S32 idx,
LLStrider<LLVector4a>& verticesp,
LLStrider<LLVector3>& normalsp,
LLStrider<LLVector2>& texcoordsp,
LLStrider<LLColor4U>& colorsp,
LLStrider<LLColor4U>& emissivep,
LLStrider<U16>& indicesp);
void updateFaceSize(S32 idx) { }
F32 getPartSize(S32 idx);
void getBlendFunc(S32 idx, U32& src, U32& dst);
LLUUID getPartOwner(S32 idx);
LLUUID getPartSource(S32 idx);
void setViewerPartGroup(LLViewerPartGroup *part_groupp) { mViewerPartGroupp = part_groupp; }
LLViewerPartGroup* getViewerPartGroup() { return mViewerPartGroupp; }
protected:
~LLVOPartGroup();
LLViewerPartGroup *mViewerPartGroupp;
virtual LLVector3 getCameraPosition() const;
};
class LLVOHUDPartGroup : public LLVOPartGroup
{
public:
LLVOHUDPartGroup(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp) :
LLVOPartGroup(id, pcode, regionp)
{
}
protected:
LLDrawable* createDrawable(LLPipeline *pipeline);
U32 getPartitionType() const;
virtual LLVector3 getCameraPosition() const;
};
#endif // LL_LLVOPARTGROUP_H
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