Imported existing code
This commit is contained in:
Hazim Gazov
871
indra/newview/llviewerpartsource.cpp
Normal file
871
indra/newview/llviewerpartsource.cpp
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@@ -0,0 +1,871 @@
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/**
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* @file llviewerpartsource.cpp
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* @brief LLViewerPartSource class implementation
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*
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* $LicenseInfo:firstyear=2003&license=viewergpl$
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*
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* Copyright (c) 2003-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "llviewerpartsource.h"
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#include "llviewercontrol.h"
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#include "llrender.h"
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#include "llagent.h"
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#include "lldrawable.h"
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#include "llviewercamera.h"
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#include "llviewerimagelist.h"
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#include "llviewerobject.h"
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#include "llviewerobjectlist.h"
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#include "llvoavatar.h"
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#include "llworld.h"
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#include "pipeline.h"
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LLViewerPartSource::LLViewerPartSource(const U32 type) :
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mType(type),
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mOwnerUUID(LLUUID::null),
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mPartFlags(0)
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{
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mLastUpdateTime = 0.f;
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mLastPartTime = 0.f;
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mIsDead = FALSE;
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mIsSuspended = FALSE;
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static U32 id_seed = 0;
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mID = ++id_seed;
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mDelay = 0 ;
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}
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void LLViewerPartSource::setDead()
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{
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mIsDead = TRUE;
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}
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void LLViewerPartSource::updatePart(LLViewerPart &part, const F32 dt)
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{
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}
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void LLViewerPartSource::update(const F32 dt)
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{
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llerrs << "Creating default part source!" << llendl;
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}
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LLUUID LLViewerPartSource::getImageUUID() const
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{
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LLViewerImage* imagep = mImagep;
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if(imagep)
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{
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return imagep->getID();
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}
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return LLUUID::null;
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}
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void LLViewerPartSource::setStart()
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{
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//cancel delaying to start a new added particle source, because some particle source just emits for a short time.
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//however, canceling this might cause overall particle emmitting fluctuate for a while because the new added source jumps to
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//the current particle emmitting settings instantly. -->bao
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mDelay = 0 ; //99
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}
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LLViewerPartSourceScript::LLViewerPartSourceScript(LLViewerObject *source_objp) :
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LLViewerPartSource(LL_PART_SOURCE_SCRIPT)
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{
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LLMemType mt(LLMemType::MTYPE_PARTICLES);
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llassert(source_objp);
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mSourceObjectp = source_objp;
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mPosAgent = mSourceObjectp->getPositionAgent();
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mImagep = gImageList.getImageFromFile("pixiesmall.j2c");
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gGL.getTexUnit(0)->bind(mImagep.get());
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mImagep->setAddressMode(LLTexUnit::TAM_CLAMP);
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}
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void LLViewerPartSourceScript::setDead()
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{
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LLMemType mt(LLMemType::MTYPE_PARTICLES);
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mIsDead = TRUE;
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mSourceObjectp = NULL;
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mTargetObjectp = NULL;
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}
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void LLViewerPartSourceScript::update(const F32 dt)
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{
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if( mIsSuspended )
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return;
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LLMemType mt(LLMemType::MTYPE_PARTICLES);
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F32 old_update_time = mLastUpdateTime;
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mLastUpdateTime += dt;
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F32 ref_rate_travelspeed = llmin(LLViewerPartSim::getInstance()->getRefRate(), 1.f);
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F32 dt_update = mLastUpdateTime - mLastPartTime;
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// Update this for objects which have the follow flag set...
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if (!mSourceObjectp.isNull())
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{
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if (mSourceObjectp->isDead())
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{
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mSourceObjectp = NULL;
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}
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else if (mSourceObjectp->mDrawable.notNull())
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{
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mPosAgent = mSourceObjectp->getRenderPosition();
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}
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}
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if (mTargetObjectp.isNull()
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&& mPartSysData.mTargetUUID.notNull())
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{
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//
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// Hmm, missing object, let's see if we can find it...
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//
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LLViewerObject *target_objp = gObjectList.findObject(mPartSysData.mTargetUUID);
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setTargetObject(target_objp);
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}
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if (!mTargetObjectp.isNull())
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{
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if (mTargetObjectp->isDead())
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{
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mTargetObjectp = NULL;
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}
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else if (mTargetObjectp->mDrawable.notNull())
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{
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mTargetPosAgent = mTargetObjectp->getRenderPosition();
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}
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}
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if (!mTargetObjectp)
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{
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mTargetPosAgent = mPosAgent;
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}
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if (mPartSysData.mMaxAge && ((mPartSysData.mStartAge + mLastUpdateTime + dt_update) > mPartSysData.mMaxAge))
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{
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// Kill particle source because it has outlived its max age...
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setDead();
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return;
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}
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if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_PARTICLES))
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{
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if (mSourceObjectp.notNull())
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{
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std::ostringstream ostr;
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ostr << mPartSysData;
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mSourceObjectp->setDebugText(ostr.str());
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}
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}
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BOOL first_run = FALSE;
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if (old_update_time <= 0.f)
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{
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first_run = TRUE;
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}
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F32 max_time = llmax(1.f, 10.f*mPartSysData.mBurstRate);
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dt_update = llmin(max_time, dt_update);
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while ((dt_update > mPartSysData.mBurstRate) || first_run)
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{
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first_run = FALSE;
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// Update the rotation of the particle source by the angular velocity
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// First check to see if there is still an angular velocity.
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F32 angular_velocity_mag = mPartSysData.mAngularVelocity.magVec();
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if (angular_velocity_mag != 0.0f)
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{
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F32 av_angle = dt * angular_velocity_mag;
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LLQuaternion dquat(av_angle, mPartSysData.mAngularVelocity);
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mRotation *= dquat;
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}
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else
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{
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// No angular velocity. Reset our rotation.
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mRotation.setQuat(0, 0, 0);
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}
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if (LLViewerPartSim::getInstance()->aboveParticleLimit())
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{
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// Don't bother doing any more updates if we're above the particle limit,
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// just give up.
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mLastPartTime = mLastUpdateTime;
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break;
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}
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// find the greatest length that the shortest side of a system
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// particle is expected to have
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F32 max_short_side =
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llmax(
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llmax(llmin(mPartSysData.mPartData.mStartScale[0],
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mPartSysData.mPartData.mStartScale[1]),
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llmin(mPartSysData.mPartData.mEndScale[0],
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mPartSysData.mPartData.mEndScale[1])),
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llmin((mPartSysData.mPartData.mStartScale[0]
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+ mPartSysData.mPartData.mEndScale[0])/2,
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(mPartSysData.mPartData.mStartScale[1]
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+ mPartSysData.mPartData.mEndScale[1])/2));
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F32 pixel_meter_ratio = LLViewerCamera::getInstance()->getPixelMeterRatio();
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// Maximum distance at which spawned particles will be viewable
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F32 max_dist = max_short_side * pixel_meter_ratio;
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if (max_dist < 0.25f)
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{
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// < 1 pixel wide at a distance of >=25cm. Particles
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// this tiny are useless and mostly spawned by buggy
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// sources
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mLastPartTime = mLastUpdateTime;
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break;
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}
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// Distance from camera
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F32 dist = (mPosAgent - LLViewerCamera::getInstance()->getOrigin()).magVec();
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// Particle size vs distance vs maxage throttling
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F32 limited_rate=0.f;
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if (dist - max_dist > 0.f)
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{
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if((dist - max_dist) * ref_rate_travelspeed > mPartSysData.mPartData.mMaxAge - 0.2f )
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{
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// You need to travel faster than 1 divided by reference rate m/s directly towards these particles to see them at least 0.2s
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mLastPartTime = mLastUpdateTime;
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break;
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}
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limited_rate = ((dist - max_dist) * ref_rate_travelspeed) / mPartSysData.mPartData.mMaxAge;
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}
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if(mDelay)
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{
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limited_rate = llmax(limited_rate, 0.01f * mDelay--) ;
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}
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S32 i;
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for (i = 0; i < mPartSysData.mBurstPartCount; i++)
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{
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if (ll_frand() < llmax(1.0f - LLViewerPartSim::getInstance()->getBurstRate(), limited_rate))
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{
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// Limit particle generation
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continue;
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}
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LLViewerPart* part = new LLViewerPart();
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part->init(this, mImagep, NULL);
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part->mFlags = mPartSysData.mPartData.mFlags;
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if (!mSourceObjectp.isNull() && mSourceObjectp->isHUDAttachment())
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{
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part->mFlags |= LLPartData::LL_PART_HUD;
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}
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part->mMaxAge = mPartSysData.mPartData.mMaxAge;
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part->mStartColor = mPartSysData.mPartData.mStartColor;
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part->mEndColor = mPartSysData.mPartData.mEndColor;
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part->mColor = part->mStartColor;
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part->mStartScale = mPartSysData.mPartData.mStartScale;
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part->mEndScale = mPartSysData.mPartData.mEndScale;
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part->mScale = part->mStartScale;
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part->mAccel = mPartSysData.mPartAccel;
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if (mPartSysData.mPattern & LLPartSysData::LL_PART_SRC_PATTERN_DROP)
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{
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part->mPosAgent = mPosAgent;
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part->mVelocity.setVec(0.f, 0.f, 0.f);
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}
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else if (mPartSysData.mPattern & LLPartSysData::LL_PART_SRC_PATTERN_EXPLODE)
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{
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part->mPosAgent = mPosAgent;
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LLVector3 part_dir_vector;
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F32 mvs;
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do
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{
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part_dir_vector.mV[VX] = ll_frand(2.f) - 1.f;
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part_dir_vector.mV[VY] = ll_frand(2.f) - 1.f;
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part_dir_vector.mV[VZ] = ll_frand(2.f) - 1.f;
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mvs = part_dir_vector.magVecSquared();
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}
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while ((mvs > 1.f) || (mvs < 0.01f));
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part_dir_vector.normVec();
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part->mPosAgent += mPartSysData.mBurstRadius*part_dir_vector;
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part->mVelocity = part_dir_vector;
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F32 speed = mPartSysData.mBurstSpeedMin + ll_frand(mPartSysData.mBurstSpeedMax - mPartSysData.mBurstSpeedMin);
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part->mVelocity *= speed;
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}
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else if (mPartSysData.mPattern & LLPartSysData::LL_PART_SRC_PATTERN_ANGLE
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|| mPartSysData.mPattern & LLPartSysData::LL_PART_SRC_PATTERN_ANGLE_CONE)
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{
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part->mPosAgent = mPosAgent;
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// original implemenetation for part_dir_vector was just:
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LLVector3 part_dir_vector(0.0, 0.0, 1.0);
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// params from the script...
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// outer = outer cone angle
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// inner = inner cone angle
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// between outer and inner there will be particles
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F32 innerAngle = mPartSysData.mInnerAngle;
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F32 outerAngle = mPartSysData.mOuterAngle;
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// generate a random angle within the given space...
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F32 angle = innerAngle + ll_frand(outerAngle - innerAngle);
|
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// split which side it will go on randomly...
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if (ll_frand() < 0.5)
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{
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angle = -angle;
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}
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// Both patterns rotate around the x-axis first:
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part_dir_vector.rotVec(angle, 1.0, 0.0, 0.0);
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// If this is a cone pattern, rotate again to create the cone.
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if (mPartSysData.mPattern & LLPartSysData::LL_PART_SRC_PATTERN_ANGLE_CONE)
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{
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part_dir_vector.rotVec(ll_frand(4*F_PI), 0.0, 0.0, 1.0);
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}
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// Only apply this rotation if using the deprecated angles.
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if (! (mPartSysData.mFlags & LLPartSysData::LL_PART_USE_NEW_ANGLE))
|
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{
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// Deprecated...
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part_dir_vector.rotVec(outerAngle, 1.0, 0.0, 0.0);
|
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}
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|
||||
if (mSourceObjectp)
|
||||
{
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part_dir_vector = part_dir_vector * mSourceObjectp->getRenderRotation();
|
||||
}
|
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part_dir_vector = part_dir_vector * mRotation;
|
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part->mPosAgent += mPartSysData.mBurstRadius*part_dir_vector;
|
||||
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part->mVelocity = part_dir_vector;
|
||||
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F32 speed = mPartSysData.mBurstSpeedMin + ll_frand(mPartSysData.mBurstSpeedMax - mPartSysData.mBurstSpeedMin);
|
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part->mVelocity *= speed;
|
||||
}
|
||||
else
|
||||
{
|
||||
part->mPosAgent = mPosAgent;
|
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part->mVelocity.setVec(0.f, 0.f, 0.f);
|
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//llwarns << "Unknown source pattern " << (S32)mPartSysData.mPattern << llendl;
|
||||
}
|
||||
|
||||
if (part->mFlags & LLPartData::LL_PART_FOLLOW_SRC_MASK || // SVC-193, VWR-717
|
||||
part->mFlags & LLPartData::LL_PART_TARGET_LINEAR_MASK)
|
||||
{
|
||||
mPartSysData.mBurstRadius = 0;
|
||||
}
|
||||
|
||||
LLViewerPartSim::getInstance()->addPart(part);
|
||||
}
|
||||
|
||||
mLastPartTime = mLastUpdateTime;
|
||||
dt_update -= mPartSysData.mBurstRate;
|
||||
}
|
||||
}
|
||||
|
||||
// static
|
||||
LLPointer<LLViewerPartSourceScript> LLViewerPartSourceScript::unpackPSS(LLViewerObject *source_objp, LLPointer<LLViewerPartSourceScript> pssp, const S32 block_num)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
if (!pssp)
|
||||
{
|
||||
if (LLPartSysData::isNullPS(block_num))
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
LLPointer<LLViewerPartSourceScript> new_pssp = new LLViewerPartSourceScript(source_objp);
|
||||
if (!new_pssp->mPartSysData.unpackBlock(block_num))
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
if (new_pssp->mPartSysData.mTargetUUID.notNull())
|
||||
{
|
||||
LLViewerObject *target_objp = gObjectList.findObject(new_pssp->mPartSysData.mTargetUUID);
|
||||
new_pssp->setTargetObject(target_objp);
|
||||
}
|
||||
return new_pssp;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (LLPartSysData::isNullPS(block_num))
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (!pssp->mPartSysData.unpackBlock(block_num))
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
if (pssp->mPartSysData.mTargetUUID.notNull())
|
||||
{
|
||||
LLViewerObject *target_objp = gObjectList.findObject(pssp->mPartSysData.mTargetUUID);
|
||||
pssp->setTargetObject(target_objp);
|
||||
}
|
||||
return pssp;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
LLPointer<LLViewerPartSourceScript> LLViewerPartSourceScript::unpackPSS(LLViewerObject *source_objp, LLPointer<LLViewerPartSourceScript> pssp, LLDataPacker &dp)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
if (!pssp)
|
||||
{
|
||||
LLPointer<LLViewerPartSourceScript> new_pssp = new LLViewerPartSourceScript(source_objp);
|
||||
if (!new_pssp->mPartSysData.unpack(dp))
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
if (new_pssp->mPartSysData.mTargetUUID.notNull())
|
||||
{
|
||||
LLViewerObject *target_objp = gObjectList.findObject(new_pssp->mPartSysData.mTargetUUID);
|
||||
new_pssp->setTargetObject(target_objp);
|
||||
}
|
||||
return new_pssp;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (!pssp->mPartSysData.unpack(dp))
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
if (pssp->mPartSysData.mTargetUUID.notNull())
|
||||
{
|
||||
LLViewerObject *target_objp = gObjectList.findObject(pssp->mPartSysData.mTargetUUID);
|
||||
pssp->setTargetObject(target_objp);
|
||||
}
|
||||
return pssp;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* static */
|
||||
LLPointer<LLViewerPartSourceScript> LLViewerPartSourceScript::createPSS(LLViewerObject *source_objp, const LLPartSysData& particle_parameters)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
|
||||
LLPointer<LLViewerPartSourceScript> new_pssp = new LLViewerPartSourceScript(source_objp);
|
||||
|
||||
new_pssp->mPartSysData = particle_parameters;
|
||||
|
||||
if (new_pssp->mPartSysData.mTargetUUID.notNull())
|
||||
{
|
||||
LLViewerObject *target_objp = gObjectList.findObject(new_pssp->mPartSysData.mTargetUUID);
|
||||
new_pssp->setTargetObject(target_objp);
|
||||
}
|
||||
return new_pssp;
|
||||
}
|
||||
|
||||
|
||||
void LLViewerPartSourceScript::setImage(LLViewerImage *imagep)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
mImagep = imagep;
|
||||
}
|
||||
|
||||
void LLViewerPartSourceScript::setTargetObject(LLViewerObject *objp)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
mTargetObjectp = objp;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
LLViewerPartSourceSpiral::LLViewerPartSourceSpiral(const LLVector3 &pos) :
|
||||
LLViewerPartSource(LL_PART_SOURCE_CHAT)
|
||||
{
|
||||
mPosAgent = pos;
|
||||
}
|
||||
|
||||
void LLViewerPartSourceSpiral::setDead()
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
mIsDead = TRUE;
|
||||
mSourceObjectp = NULL;
|
||||
}
|
||||
|
||||
|
||||
void LLViewerPartSourceSpiral::updatePart(LLViewerPart &part, const F32 dt)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
F32 frac = part.mLastUpdateTime/part.mMaxAge;
|
||||
|
||||
LLVector3 center_pos;
|
||||
LLPointer<LLViewerPartSource>& ps = part.mPartSourcep;
|
||||
LLViewerPartSourceSpiral *pss = (LLViewerPartSourceSpiral *)ps.get();
|
||||
if (!pss->mSourceObjectp.isNull() && !pss->mSourceObjectp->mDrawable.isNull())
|
||||
{
|
||||
part.mPosAgent = pss->mSourceObjectp->getRenderPosition();
|
||||
}
|
||||
else
|
||||
{
|
||||
part.mPosAgent = pss->mPosAgent;
|
||||
}
|
||||
F32 x = sin(F_TWO_PI*frac + part.mParameter);
|
||||
F32 y = cos(F_TWO_PI*frac + part.mParameter);
|
||||
|
||||
part.mPosAgent.mV[VX] += x;
|
||||
part.mPosAgent.mV[VY] += y;
|
||||
part.mPosAgent.mV[VZ] += -0.5f + frac;
|
||||
}
|
||||
|
||||
|
||||
void LLViewerPartSourceSpiral::update(const F32 dt)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
if (!mImagep)
|
||||
{
|
||||
mImagep = gImageList.getImageFromFile("pixiesmall.j2c");
|
||||
}
|
||||
|
||||
const F32 RATE = 0.025f;
|
||||
|
||||
mLastUpdateTime += dt;
|
||||
|
||||
F32 dt_update = mLastUpdateTime - mLastPartTime;
|
||||
F32 max_time = llmax(1.f, 10.f*RATE);
|
||||
dt_update = llmin(max_time, dt_update);
|
||||
|
||||
if (dt_update > RATE)
|
||||
{
|
||||
mLastPartTime = mLastUpdateTime;
|
||||
if (!LLViewerPartSim::getInstance()->shouldAddPart())
|
||||
{
|
||||
// Particle simulation says we have too many particles, skip all this
|
||||
return;
|
||||
}
|
||||
|
||||
if (!mSourceObjectp.isNull() && !mSourceObjectp->mDrawable.isNull())
|
||||
{
|
||||
mPosAgent = mSourceObjectp->getRenderPosition();
|
||||
}
|
||||
LLViewerPart* part = new LLViewerPart();
|
||||
part->init(this, mImagep, updatePart);
|
||||
part->mStartColor = mColor;
|
||||
part->mEndColor = mColor;
|
||||
part->mEndColor.mV[3] = 0.f;
|
||||
part->mPosAgent = mPosAgent;
|
||||
part->mMaxAge = 1.f;
|
||||
part->mFlags = LLViewerPart::LL_PART_INTERP_COLOR_MASK;
|
||||
part->mLastUpdateTime = 0.f;
|
||||
part->mScale.mV[0] = 0.25f;
|
||||
part->mScale.mV[1] = 0.25f;
|
||||
part->mParameter = ll_frand(F_TWO_PI);
|
||||
|
||||
LLViewerPartSim::getInstance()->addPart(part);
|
||||
}
|
||||
}
|
||||
|
||||
void LLViewerPartSourceSpiral::setSourceObject(LLViewerObject *objp)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
mSourceObjectp = objp;
|
||||
}
|
||||
|
||||
void LLViewerPartSourceSpiral::setColor(const LLColor4 &color)
|
||||
{
|
||||
mColor = color;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
LLViewerPartSourceBeam::LLViewerPartSourceBeam() :
|
||||
LLViewerPartSource(LL_PART_SOURCE_BEAM)
|
||||
{
|
||||
}
|
||||
|
||||
LLViewerPartSourceBeam::~LLViewerPartSourceBeam()
|
||||
{
|
||||
}
|
||||
|
||||
void LLViewerPartSourceBeam::setDead()
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
mIsDead = TRUE;
|
||||
mSourceObjectp = NULL;
|
||||
mTargetObjectp = NULL;
|
||||
}
|
||||
|
||||
void LLViewerPartSourceBeam::setColor(const LLColor4 &color)
|
||||
{
|
||||
mColor = color;
|
||||
}
|
||||
|
||||
|
||||
void LLViewerPartSourceBeam::updatePart(LLViewerPart &part, const F32 dt)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
F32 frac = part.mLastUpdateTime/part.mMaxAge;
|
||||
|
||||
LLViewerPartSource *ps = (LLViewerPartSource*)part.mPartSourcep;
|
||||
LLViewerPartSourceBeam *psb = (LLViewerPartSourceBeam *)ps;
|
||||
if (psb->mSourceObjectp.isNull())
|
||||
{
|
||||
part.mFlags = LLPartData::LL_PART_DEAD_MASK;
|
||||
return;
|
||||
}
|
||||
|
||||
LLVector3 source_pos_agent;
|
||||
LLVector3 target_pos_agent;
|
||||
if (!psb->mSourceObjectp.isNull() && !psb->mSourceObjectp->mDrawable.isNull())
|
||||
{
|
||||
if (psb->mSourceObjectp->isAvatar())
|
||||
{
|
||||
LLViewerObject *objp = psb->mSourceObjectp;
|
||||
LLVOAvatar *avp = (LLVOAvatar *)objp;
|
||||
source_pos_agent = avp->mWristLeftp->getWorldPosition();
|
||||
}
|
||||
else
|
||||
{
|
||||
source_pos_agent = psb->mSourceObjectp->getRenderPosition();
|
||||
}
|
||||
}
|
||||
if (!psb->mTargetObjectp.isNull() && !psb->mTargetObjectp->mDrawable.isNull())
|
||||
{
|
||||
target_pos_agent = psb->mTargetObjectp->getRenderPosition();
|
||||
}
|
||||
|
||||
part.mPosAgent = (1.f - frac) * source_pos_agent;
|
||||
if (psb->mTargetObjectp.isNull())
|
||||
{
|
||||
part.mPosAgent += frac * (gAgent.getPosAgentFromGlobal(psb->mLKGTargetPosGlobal));
|
||||
}
|
||||
else
|
||||
{
|
||||
part.mPosAgent += frac * target_pos_agent;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void LLViewerPartSourceBeam::update(const F32 dt)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
const F32 RATE = 0.025f;
|
||||
|
||||
mLastUpdateTime += dt;
|
||||
|
||||
if (!mSourceObjectp.isNull() && !mSourceObjectp->mDrawable.isNull())
|
||||
{
|
||||
if (mSourceObjectp->isAvatar())
|
||||
{
|
||||
LLViewerObject *objp = mSourceObjectp;
|
||||
LLVOAvatar *avp = (LLVOAvatar *)objp;
|
||||
mPosAgent = avp->mWristLeftp->getWorldPosition();
|
||||
}
|
||||
else
|
||||
{
|
||||
mPosAgent = mSourceObjectp->getRenderPosition();
|
||||
}
|
||||
}
|
||||
|
||||
if (!mTargetObjectp.isNull() && !mTargetObjectp->mDrawable.isNull())
|
||||
{
|
||||
mTargetPosAgent = mTargetObjectp->getRenderPosition();
|
||||
}
|
||||
else if (!mLKGTargetPosGlobal.isExactlyZero())
|
||||
{
|
||||
mTargetPosAgent = gAgent.getPosAgentFromGlobal(mLKGTargetPosGlobal);
|
||||
}
|
||||
|
||||
F32 dt_update = mLastUpdateTime - mLastPartTime;
|
||||
F32 max_time = llmax(1.f, 10.f*RATE);
|
||||
dt_update = llmin(max_time, dt_update);
|
||||
|
||||
if (dt_update > RATE)
|
||||
{
|
||||
mLastPartTime = mLastUpdateTime;
|
||||
if (!LLViewerPartSim::getInstance()->shouldAddPart())
|
||||
{
|
||||
// Particle simulation says we have too many particles, skip all this
|
||||
return;
|
||||
}
|
||||
|
||||
if (!mImagep)
|
||||
{
|
||||
mImagep = gImageList.getImageFromFile("pixiesmall.j2c");
|
||||
}
|
||||
|
||||
LLViewerPart* part = new LLViewerPart();
|
||||
part->init(this, mImagep, NULL);
|
||||
|
||||
part->mFlags = LLPartData::LL_PART_INTERP_COLOR_MASK |
|
||||
LLPartData::LL_PART_INTERP_SCALE_MASK |
|
||||
LLPartData::LL_PART_TARGET_POS_MASK |
|
||||
LLPartData::LL_PART_FOLLOW_VELOCITY_MASK;
|
||||
part->mMaxAge = 0.5f;
|
||||
part->mStartColor = mColor;
|
||||
part->mEndColor = part->mStartColor;
|
||||
part->mEndColor.mV[3] = 0.4f;
|
||||
part->mColor = part->mStartColor;
|
||||
|
||||
part->mStartScale = LLVector2(0.1f, 0.1f);
|
||||
part->mEndScale = LLVector2(0.1f, 0.1f);
|
||||
part->mScale = part->mStartScale;
|
||||
|
||||
part->mPosAgent = mPosAgent;
|
||||
part->mVelocity = mTargetPosAgent - mPosAgent;
|
||||
|
||||
LLViewerPartSim::getInstance()->addPart(part);
|
||||
}
|
||||
}
|
||||
|
||||
void LLViewerPartSourceBeam::setSourceObject(LLViewerObject* objp)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
mSourceObjectp = objp;
|
||||
}
|
||||
|
||||
void LLViewerPartSourceBeam::setTargetObject(LLViewerObject* objp)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
mTargetObjectp = objp;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
LLViewerPartSourceChat::LLViewerPartSourceChat(const LLVector3 &pos) :
|
||||
LLViewerPartSource(LL_PART_SOURCE_SPIRAL)
|
||||
{
|
||||
mPosAgent = pos;
|
||||
}
|
||||
|
||||
void LLViewerPartSourceChat::setDead()
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
mIsDead = TRUE;
|
||||
mSourceObjectp = NULL;
|
||||
}
|
||||
|
||||
|
||||
void LLViewerPartSourceChat::updatePart(LLViewerPart &part, const F32 dt)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
F32 frac = part.mLastUpdateTime/part.mMaxAge;
|
||||
|
||||
LLVector3 center_pos;
|
||||
LLViewerPartSource *ps = (LLViewerPartSource*)part.mPartSourcep;
|
||||
LLViewerPartSourceChat *pss = (LLViewerPartSourceChat *)ps;
|
||||
if (!pss->mSourceObjectp.isNull() && !pss->mSourceObjectp->mDrawable.isNull())
|
||||
{
|
||||
part.mPosAgent = pss->mSourceObjectp->getRenderPosition();
|
||||
}
|
||||
else
|
||||
{
|
||||
part.mPosAgent = pss->mPosAgent;
|
||||
}
|
||||
F32 x = sin(F_TWO_PI*frac + part.mParameter);
|
||||
F32 y = cos(F_TWO_PI*frac + part.mParameter);
|
||||
|
||||
part.mPosAgent.mV[VX] += x;
|
||||
part.mPosAgent.mV[VY] += y;
|
||||
part.mPosAgent.mV[VZ] += -0.5f + frac;
|
||||
}
|
||||
|
||||
|
||||
void LLViewerPartSourceChat::update(const F32 dt)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
if (!mImagep)
|
||||
{
|
||||
mImagep = gImageList.getImageFromFile("pixiesmall.j2c");
|
||||
}
|
||||
|
||||
|
||||
const F32 RATE = 0.025f;
|
||||
|
||||
mLastUpdateTime += dt;
|
||||
|
||||
if (mLastUpdateTime > 2.f)
|
||||
{
|
||||
// Kill particle source because it has outlived its max age...
|
||||
setDead();
|
||||
return;
|
||||
}
|
||||
|
||||
F32 dt_update = mLastUpdateTime - mLastPartTime;
|
||||
|
||||
// Clamp us to generating at most one second's worth of particles on a frame.
|
||||
F32 max_time = llmax(1.f, 10.f*RATE);
|
||||
dt_update = llmin(max_time, dt_update);
|
||||
|
||||
if (dt_update > RATE)
|
||||
{
|
||||
mLastPartTime = mLastUpdateTime;
|
||||
if (!LLViewerPartSim::getInstance()->shouldAddPart())
|
||||
{
|
||||
// Particle simulation says we have too many particles, skip all this
|
||||
return;
|
||||
}
|
||||
|
||||
if (!mSourceObjectp.isNull() && !mSourceObjectp->mDrawable.isNull())
|
||||
{
|
||||
mPosAgent = mSourceObjectp->getRenderPosition();
|
||||
}
|
||||
LLViewerPart* part = new LLViewerPart();
|
||||
part->init(this, mImagep, updatePart);
|
||||
part->mStartColor = mColor;
|
||||
part->mEndColor = mColor;
|
||||
part->mEndColor.mV[3] = 0.f;
|
||||
part->mPosAgent = mPosAgent;
|
||||
part->mMaxAge = 1.f;
|
||||
part->mFlags = LLViewerPart::LL_PART_INTERP_COLOR_MASK;
|
||||
part->mLastUpdateTime = 0.f;
|
||||
part->mScale.mV[0] = 0.25f;
|
||||
part->mScale.mV[1] = 0.25f;
|
||||
part->mParameter = ll_frand(F_TWO_PI);
|
||||
|
||||
LLViewerPartSim::getInstance()->addPart(part);
|
||||
}
|
||||
}
|
||||
|
||||
void LLViewerPartSourceChat::setSourceObject(LLViewerObject *objp)
|
||||
{
|
||||
LLMemType mt(LLMemType::MTYPE_PARTICLES);
|
||||
mSourceObjectp = objp;
|
||||
}
|
||||
|
||||
void LLViewerPartSourceChat::setColor(const LLColor4 &color)
|
||||
{
|
||||
mColor = color;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user