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/**
* @file llviewerpartsource.h
* @brief LLViewerPartSource class header file
*
* $LicenseInfo:firstyear=2003&license=viewerlgpl$
* 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_LLVIEWERPARTSOURCE_H
#define LL_LLVIEWERPARTSOURCE_H
#include "llrefcount.h"
#include "llpartdata.h"
#include "llpointer.h"
#include "llquaternion.h"
#include "v3math.h"
////////////////////
//
// A particle source - subclassed to generate particles with different behaviors
//
//
class LLViewerTexture;
class LLViewerObject;
class LLViewerPart;
class LLVOAvatar;
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; }
void setSuspended( BOOL state ) { mIsSuspended = state; }
BOOL isSuspended() const { return mIsSuspended; }
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; }
U32 getID() const { return mID; }
LLUUID getImageUUID() const;
void setStart() ;
LLVector3 mPosAgent; // Location of the particle source
LLVector3 mTargetPosAgent; // Location of the target position
LLVector3 mLastUpdatePosAgent;
LLPointer<LLViewerObject> mSourceObjectp;
U32 mID;
LLViewerPart* mLastPart; //last particle emitted (for making particle ribbons)
protected:
U32 mType;
BOOL mIsDead;
BOOL mIsSuspended;
F32 mLastUpdateTime;
F32 mLastPartTime;
LLUUID mOwnerUUID;
LLPointer<LLVOAvatar> mOwnerAvatarp;
LLPointer<LLViewerTexture> mImagep;
// Particle information
U32 mPartFlags; // Flags for the particle
U32 mDelay ; //delay to start particles
};
///////////////////////////////
//
// 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 LLPointer<LLViewerPartSourceScript> unpackPSS(LLViewerObject *source_objp, LLPointer<LLViewerPartSourceScript> pssp, const S32 block_num);
static LLPointer<LLViewerPartSourceScript> unpackPSS(LLViewerObject *source_objp, LLPointer<LLViewerPartSourceScript> pssp, LLDataPacker &dp, bool legacy);
static LLPointer<LLViewerPartSourceScript> createPSS(LLViewerObject *source_objp, const LLPartSysData& particle_parameters);
LLViewerTexture *getImage() const { return mImagep; }
void setImage(LLViewerTexture *imagep);
LLPartSysData mPartSysData;
void setTargetObject(LLViewerObject *objp);
protected:
LLQuaternion mRotation; // Current rotation for particle source
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:
LLVector3d mLKGSourcePosGlobal;
};
////////////////////////////
//
// Particle source for tractor(editing) beam
//
class LLViewerPartSourceBeam : public LLViewerPartSource
{
public:
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<LLViewerObject> mTargetObjectp;
LLVector3d mLKGTargetPosGlobal;
LLColor4 mColor;
protected:
~LLViewerPartSourceBeam();
};
//////////////////////////
//
// 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:
LLVector3d mLKGSourcePosGlobal;
};
#endif // LL_LLVIEWERPARTSOURCE_H
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