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/**
* @file llviewerpartsource.h
* @brief LLViewerPartSource 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_LLVIEWERPARTSOURCE_H
#define LL_LLVIEWERPARTSOURCE_H
#include "llmemory.h"
#include "llpartdata.h"
#include "llquaternion.h"
#include "v3math.h"
////////////////////
//
// A particle source - subclassed to generate particles with different behaviors
//
//
class LLViewerImage;
class LLViewerObject;
class LLViewerPart;
class LLViewerPartSource : public LLRefCount
{
public:
enum
{
LL_PART_SOURCE_NULL,
LL_PART_SOURCE_SCRIPT,
LL_PART_SOURCE_SPIRAL,
LL_PART_SOURCE_BEAM,
LL_PART_SOURCE_CHAT
};
LLViewerPartSource(const U32 type);
virtual void update(const F32 dt); // Return FALSE if this source is dead...
virtual void setDead();
BOOL isDead() const { return mIsDead; }
U32 getType() const { return mType; }
static void updatePart(LLViewerPart &part, const F32 dt);
void setOwnerUUID(const LLUUID& owner_id) { mOwnerUUID = owner_id; }
LLUUID getOwnerUUID() const { return mOwnerUUID; }
LLVector3 mPosAgent; // Location of the particle source
LLVector3 mTargetPosAgent; // Location of the target position
LLVector3 mLastUpdatePosAgent;
LLPointer<LLViewerObject> mSourceObjectp;
U32 mID;
protected:
U32 mType;
BOOL mIsDead;
F32 mLastUpdateTime;
F32 mLastPartTime;
LLUUID mOwnerUUID;
// Particle information
U32 mPartFlags; // Flags for the particle
};
///////////////////////////////
//
// LLViewerPartSourceScript
//
// Particle source that handles the "generic" script-drive particle source
// attached to objects
//
class LLViewerPartSourceScript : public LLViewerPartSource
{
public:
LLViewerPartSourceScript(LLViewerObject *source_objp);
/*virtual*/ void update(const F32 dt);
/*virtual*/ void setDead();
BOOL updateFromMesg();
// Returns a new particle source to attach to an object...
static LLViewerPartSourceScript *unpackPSS(LLViewerObject *source_objp, LLViewerPartSourceScript *pssp, const S32 block_num);
static LLViewerPartSourceScript *unpackPSS(LLViewerObject *source_objp, LLViewerPartSourceScript *pssp, LLDataPacker &dp);
LLViewerImage *getImage() const { return mImagep; }
void setImage(LLViewerImage *imagep);
LLPartSysData mPartSysData;
void setTargetObject(LLViewerObject *objp);
protected:
LLQuaternion mRotation; // Current rotation for particle source
LLPointer<LLViewerImage> mImagep; // Cached image pointer of the mPartSysData UUID
LLPointer<LLViewerObject> mTargetObjectp; // Target object for the particle source
};
////////////////////////////
//
// Particle source for spiral effect (customize avatar, mostly)
//
class LLViewerPartSourceSpiral : public LLViewerPartSource
{
public:
LLViewerPartSourceSpiral(const LLVector3 &pos);
/*virtual*/ void setDead();
/*virtual*/ void update(const F32 dt);
void setSourceObject(LLViewerObject *objp);
void setColor(const LLColor4 &color);
static void updatePart(LLViewerPart &part, const F32 dt);
LLColor4 mColor;
protected:
LLPointer<LLViewerImage> mImagep;
LLVector3d mLKGSourcePosGlobal;
};
////////////////////////////
//
// Particle source for tractor(editing) beam
//
class LLViewerPartSourceBeam : public LLViewerPartSource
{
public:
LLViewerPartSourceBeam();
~LLViewerPartSourceBeam();
/*virtual*/ void setDead();
/*virtual*/ void update(const F32 dt);
void setSourceObject(LLViewerObject *objp);
void setTargetObject(LLViewerObject *objp);
void setSourcePosGlobal(const LLVector3d &pos_global);
void setTargetPosGlobal(const LLVector3d &pos_global);
void setColor(const LLColor4 &color);
static void updatePart(LLViewerPart &part, const F32 dt);
LLPointer<LLViewerImage> mImagep;
LLPointer<LLViewerObject> mTargetObjectp;
LLVector3d mLKGTargetPosGlobal;
LLColor4 mColor;
protected:
};
//////////////////////////
//
// Particle source for chat effect
//
class LLViewerPartSourceChat : public LLViewerPartSource
{
public:
LLViewerPartSourceChat(const LLVector3 &pos);
/*virtual*/ void setDead();
/*virtual*/ void update(const F32 dt);
void setSourceObject(LLViewerObject *objp);
void setColor(const LLColor4 &color);
static void updatePart(LLViewerPart &part, const F32 dt);
LLColor4 mColor;
protected:
LLPointer<LLViewerImage> mImagep;
LLVector3d mLKGSourcePosGlobal;
};
#endif // LL_LLVIEWERPARTSOURCE_H
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