/indra/newview/llhudeffecttrail.cpp
C++ | 287 lines | 228 code | 31 blank | 28 comment | 29 complexity | f06a91db6989ca58dc5672a6561c8056 MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @file llhudeffecttrail.cpp
- * @brief LLHUDEffectSpiral class implementation
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * 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
- * $/LicenseInfo$
- */
- #include "llviewerprecompiledheaders.h"
- #include "llhudeffecttrail.h"
- #include "llviewercontrol.h"
- #include "message.h"
- #include "llagent.h"
- #include "llbox.h"
- #include "lldrawable.h"
- #include "llhudrender.h"
- #include "llviewertexturelist.h"
- #include "llviewerobjectlist.h"
- #include "llviewerpartsim.h"
- #include "llviewerpartsource.h"
- #include "llvoavatar.h"
- #include "llworld.h"
- const F32 PARTICLE_SPACING = 0.01f;
- const F32 MAX_SIZE = 0.025f;
- const F32 START_POS_MAG = 1.f;
- const F32 END_POS_MAG = 1.2f;
- LLHUDEffectSpiral::LLHUDEffectSpiral(const U8 type) : LLHUDEffect(type), mbInit(FALSE)
- {
- mKillTime = 10.f;
- mVMag = 1.f;
- mVOffset = 0.f;
- mInitialRadius = 1.f;
- mFinalRadius = 1.f;
- mSpinRate = 10.f;
- mFlickerRate = 50.f;
- mScaleBase = 0.1f;
- mScaleVar = 0.f;
- mFadeInterp.setStartTime(0.f);
- mFadeInterp.setEndTime(mKillTime);
- mFadeInterp.setStartVal(1.f);
- mFadeInterp.setEndVal(1.f);
- }
- LLHUDEffectSpiral::~LLHUDEffectSpiral()
- {
- }
- void LLHUDEffectSpiral::markDead()
- {
- if (mPartSourcep)
- {
- mPartSourcep->setDead();
- mPartSourcep = NULL;
- }
- LLHUDEffect::markDead();
- }
- void LLHUDEffectSpiral::packData(LLMessageSystem *mesgsys)
- {
- if (!mSourceObject)
- {
- //llwarns << "Missing object in trail pack!" << llendl;
- }
- LLHUDEffect::packData(mesgsys);
- U8 packed_data[56];
- memset(packed_data, 0, 56);
- if (mSourceObject)
- {
- htonmemcpy(packed_data, mSourceObject->mID.mData, MVT_LLUUID, 16);
- }
- if (mTargetObject)
- {
- htonmemcpy(packed_data + 16, mTargetObject->mID.mData, MVT_LLUUID, 16);
- }
- if (!mPositionGlobal.isExactlyZero())
- {
- htonmemcpy(packed_data + 32, mPositionGlobal.mdV, MVT_LLVector3d, 24);
- }
- mesgsys->addBinaryDataFast(_PREHASH_TypeData, packed_data, 56);
- }
- void LLHUDEffectSpiral::unpackData(LLMessageSystem *mesgsys, S32 blocknum)
- {
- const size_t EFFECT_SIZE = 56;
- U8 packed_data[EFFECT_SIZE];
- LLHUDEffect::unpackData(mesgsys, blocknum);
- LLUUID object_id, target_object_id;
- size_t size = mesgsys->getSizeFast(_PREHASH_Effect, blocknum, _PREHASH_TypeData);
- if (size != EFFECT_SIZE)
- {
- llwarns << "Spiral effect with bad size " << size << llendl;
- return;
- }
- mesgsys->getBinaryDataFast(_PREHASH_Effect, _PREHASH_TypeData,
- packed_data, EFFECT_SIZE, blocknum, EFFECT_SIZE);
-
- htonmemcpy(object_id.mData, packed_data, MVT_LLUUID, 16);
- htonmemcpy(target_object_id.mData, packed_data + 16, MVT_LLUUID, 16);
- htonmemcpy(mPositionGlobal.mdV, packed_data + 32, MVT_LLVector3d, 24);
- LLViewerObject *objp = NULL;
- if (object_id.isNull())
- {
- setSourceObject(NULL);
- }
- else
- {
- LLViewerObject *objp = gObjectList.findObject(object_id);
- if (objp)
- {
- setSourceObject(objp);
- }
- else
- {
- // We don't have this object, kill this effect
- markDead();
- return;
- }
- }
- if (target_object_id.isNull())
- {
- setTargetObject(NULL);
- }
- else
- {
- objp = gObjectList.findObject(target_object_id);
- if (objp)
- {
- setTargetObject(objp);
- }
- else
- {
- // We don't have this object, kill this effect
- markDead();
- return;
- }
- }
- triggerLocal();
- }
- void LLHUDEffectSpiral::triggerLocal()
- {
- mKillTime = mTimer.getElapsedTimeF32() + mDuration;
- BOOL show_beam = gSavedSettings.getBOOL("ShowSelectionBeam");
- LLColor4 color;
- color.setVec(mColor);
- if (!mPartSourcep)
- {
- if (!mTargetObject.isNull() && !mSourceObject.isNull())
- {
- if (show_beam)
- {
- LLPointer<LLViewerPartSourceBeam> psb = new LLViewerPartSourceBeam;
- psb->setColor(color);
- psb->setSourceObject(mSourceObject);
- psb->setTargetObject(mTargetObject);
- psb->setOwnerUUID(gAgent.getID());
- LLViewerPartSim::getInstance()->addPartSource(psb);
- mPartSourcep = psb;
- }
- }
- else
- {
- if (!mSourceObject.isNull() && !mPositionGlobal.isExactlyZero())
- {
- if (show_beam)
- {
- LLPointer<LLViewerPartSourceBeam> psb = new LLViewerPartSourceBeam;
- psb->setSourceObject(mSourceObject);
- psb->setTargetObject(NULL);
- psb->setColor(color);
- psb->mLKGTargetPosGlobal = mPositionGlobal;
- psb->setOwnerUUID(gAgent.getID());
- LLViewerPartSim::getInstance()->addPartSource(psb);
- mPartSourcep = psb;
- }
- }
- else
- {
- LLVector3 pos;
- if (mSourceObject)
- {
- pos = mSourceObject->getPositionAgent();
- }
- else
- {
- pos = gAgent.getPosAgentFromGlobal(mPositionGlobal);
- }
- LLPointer<LLViewerPartSourceSpiral> pss = new LLViewerPartSourceSpiral(pos);
- if (!mSourceObject.isNull())
- {
- pss->setSourceObject(mSourceObject);
- }
- pss->setColor(color);
- pss->setOwnerUUID(gAgent.getID());
- LLViewerPartSim::getInstance()->addPartSource(pss);
- mPartSourcep = pss;
- }
- }
- }
- else
- {
- LLPointer<LLViewerPartSource>& ps = mPartSourcep;
- if (mPartSourcep->getType() == LLViewerPartSource::LL_PART_SOURCE_BEAM)
- {
- LLViewerPartSourceBeam *psb = (LLViewerPartSourceBeam *)ps.get();
- psb->setSourceObject(mSourceObject);
- psb->setTargetObject(mTargetObject);
- psb->setColor(color);
- if (mTargetObject.isNull())
- {
- psb->mLKGTargetPosGlobal = mPositionGlobal;
- }
- }
- else
- {
- LLViewerPartSourceSpiral *pss = (LLViewerPartSourceSpiral *)ps.get();
- pss->setSourceObject(mSourceObject);
- }
- }
- mbInit = TRUE;
- }
- void LLHUDEffectSpiral::setTargetObject(LLViewerObject *objp)
- {
- if (objp == mTargetObject)
- {
- return;
- }
- mTargetObject = objp;
- }
- void LLHUDEffectSpiral::render()
- {
- F32 time = mTimer.getElapsedTimeF32();
- if ((!mSourceObject.isNull() && mSourceObject->isDead()) ||
- (!mTargetObject.isNull() && mTargetObject->isDead()) ||
- mKillTime < time ||
- (!mPartSourcep.isNull() && !gSavedSettings.getBOOL("ShowSelectionBeam")) )
- {
- markDead();
- return;
- }
- }
- void LLHUDEffectSpiral::renderForTimer()
- {
- render();
- }