Second Life viewer sources 1.13.2.12

1 files changed, 160 insertions, 0 deletions

diff --git a/linden/indra/newview/llviewerpartsim.h b/linden/indra/newview/llviewerpartsim.h
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+/** 
+ * @file llviewerpartsim.h
+ * @brief LLViewerPart class header file
+ *
+ * Copyright (c) 2003-2007, Linden Research, Inc.
+ * 
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#ifndef LL_LLVIEWERPARTSIM_H
+#define LL_LLVIEWERPARTSIM_H
+
+#include "lldarrayptr.h"
+#include "llskiplist.h"
+#include "llframetimer.h"
+#include "llmemory.h"
+
+#include "llpartdata.h"
+
+class LLViewerImage;
+class LLViewerPart;
+class LLViewerPartSource;
+class LLViewerRegion;
+class LLViewerImage;
+class LLVOPartGroup;
+
+typedef void (*LLVPCallback)(LLViewerPart &part, const F32 dt);
+
+///////////////////
+//
+// An individual particle
+//
+
+
+class LLViewerPart : public LLPartData
+{
+public:
+        LLViewerPart();
+        ~LLViewerPart();
+
+        LLViewerPart &operator=(const LLViewerPart &part);
+        void init(LLViewerPartSource *sourcep, LLViewerImage *imagep, LLVPCallback cb);
+
+
+        U32                                     mPartID;                                        // Particle ID used primarily for moving between groups
+        F32                                     mLastUpdateTime;                        // Last time the particle was updated
+
+
+        LLVPCallback            mVPCallback;                            // Callback function for more complicated behaviors
+        LLPointer<LLViewerPartSource> mPartSourcep;             // Particle source used for this object
+        
+
+        // Current particle state (possibly used for rendering)
+        LLPointer<LLViewerImage>        mImagep;
+        LLVector3               mPosAgent;
+        LLVector3               mVelocity;
+        LLVector3               mAccel;
+        LLColor4                mColor;
+        LLVector2               mScale;
+
+        static U32              sNextPartID;
+};
+
+
+
+class LLViewerPartGroup
+{
+public:
+        LLViewerPartGroup(const LLVector3 &center,
+                                          const F32 box_radius);
+        virtual ~LLViewerPartGroup();
+
+        void cleanup();
+
+        BOOL addPart(LLViewerPart &part);
+        
+        void updateParticles(const F32 dt);
+
+        BOOL posInGroup(const LLVector3 &pos);
+
+        void shift(const LLVector3 &offset);
+
+        LLDynamicArray<LLViewerPart> mParticles;
+
+        const LLVector3 &getCenterAgent() const         { return mCenterAgent; }
+        S32 getCount() const                                    { return mParticles.count(); }
+        LLViewerRegion *getRegion() const               { return mRegionp; }
+protected:
+        void removePart(const S32 part_num);
+
+protected:
+        LLVector3 mCenterAgent;
+        F32 mBoxRadius;
+        LLVector3 mMinObjPos;
+        LLVector3 mMaxObjPos;
+
+        LLPointer<LLVOPartGroup> mVOPartGroupp;
+        LLViewerRegion *mRegionp;
+};
+
+
+class LLViewerPartSim
+{
+public:
+        LLViewerPartSim();
+        virtual ~LLViewerPartSim();
+
+        void shift(const LLVector3 &offset);
+
+        void updateSimulation();
+
+        void addPartSource(LLViewerPartSource *sourcep);
+
+        void cleanupRegion(LLViewerRegion *regionp);
+
+        BOOL shouldAddPart(); // Just decides whether this particle should be added or not (for particle count capping)
+        void addPart(LLViewerPart &part);
+        void cleanMutedParticles(const LLUUID& task_id);
+
+        friend class LLViewerPartGroup;
+
+        BOOL aboveParticleLimit() const { return sParticleCount > sMaxParticleCount; }
+
+        static void setMaxPartCount(const S32 max_parts)        { sMaxParticleCount = max_parts; }
+        static S32  getMaxPartCount()                                           { return sMaxParticleCount; }
+        static void incPartCount(const S32 count)                       { sParticleCount += count; }
+        static void decPartCount(const S32 count)                       { sParticleCount -= count; }
+        
+protected:
+        LLViewerPartGroup *createViewerPartGroup(const LLVector3 &pos_agent);
+        LLViewerPartGroup *put(LLViewerPart &part);
+
+protected:
+        LLDynamicArray<LLViewerPartGroup *> mViewerPartGroups;
+        LLDynamicArrayPtr<LLPointer<LLViewerPartSource> > mViewerPartSources;
+        LLFrameTimer mSimulationTimer;
+
+        static S32 sMaxParticleCount;
+        static S32 sParticleCount;
+};
+
+#endif // LL_LLVIEWERPARTSIM_H