/** * @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 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, LLWorld &world, 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, 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