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-rw-r--r--indra/newview/llvoclouds.cpp297
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diff --git a/indra/newview/llvoclouds.cpp b/indra/newview/llvoclouds.cpp
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--- a/indra/newview/llvoclouds.cpp
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-/**
- * @file llvoclouds.cpp
- * @brief Implementation of LLVOClouds class which is a derivation fo LLViewerObject
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * 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 "llvoclouds.h"
-
-#include "lldrawpoolalpha.h"
-
-#include "llviewercontrol.h"
-
-#include "llagent.h" // to get camera position
-#include "lldrawable.h"
-#include "llface.h"
-#include "llprimitive.h"
-#include "llsky.h"
-#include "llviewercamera.h"
-#include "llviewertexturelist.h"
-#include "llviewerobjectlist.h"
-#include "llviewerregion.h"
-#include "llvosky.h"
-#include "llworld.h"
-#include "pipeline.h"
-#include "llspatialpartition.h"
-
-LLUUID gCloudTextureID = IMG_CLOUD_POOF;
-
-
-LLVOClouds::LLVOClouds(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp)
-: LLAlphaObject(id, LL_VO_CLOUDS, regionp)
-{
- mCloudGroupp = NULL;
- mbCanSelect = FALSE;
- setNumTEs(1);
- LLViewerTexture* image = LLViewerTextureManager::getFetchedTexture(gCloudTextureID);
- image->setBoostLevel(LLViewerTexture::BOOST_CLOUDS);
- setTEImage(0, image);
-}
-
-
-LLVOClouds::~LLVOClouds()
-{
-}
-
-
-BOOL LLVOClouds::isActive() const
-{
- return TRUE;
-}
-
-BOOL LLVOClouds::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
-{
- static LLFastTimer::DeclareTimer ftm("Idle Clouds");
- LLFastTimer t(ftm);
-
- if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_CLOUDS)))
- {
- return TRUE;
- }
-
- // Set dirty flag (so renderer will rebuild primitive)
- if (mDrawable)
- {
- gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_VOLUME, TRUE);
- }
-
- return TRUE;
-}
-
-
-void LLVOClouds::setPixelAreaAndAngle(LLAgent &agent)
-{
- mAppAngle = 50;
- mPixelArea = 1500*100;
-}
-
-void LLVOClouds::updateTextures()
-{
- getTEImage(0)->addTextureStats(mPixelArea);
-}
-
-LLDrawable* LLVOClouds::createDrawable(LLPipeline *pipeline)
-{
- pipeline->allocDrawable(this);
- mDrawable->setLit(FALSE);
- mDrawable->setRenderType(LLPipeline::RENDER_TYPE_CLOUDS);
-
- return mDrawable;
-}
-
-static LLFastTimer::DeclareTimer FTM_UPDATE_CLOUDS("Update Clouds");
-
-BOOL LLVOClouds::updateGeometry(LLDrawable *drawable)
-{
- LLFastTimer ftm(FTM_UPDATE_CLOUDS);
- if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_CLOUDS)))
- {
- return TRUE;
- }
-
- if (drawable->isVisible())
- {
- dirtySpatialGroup(TRUE);
- }
-
- LLFace *facep;
-
- S32 num_faces = mCloudGroupp->getNumPuffs();
-
- if (num_faces > drawable->getNumFaces())
- {
- drawable->setNumFacesFast(num_faces, NULL, getTEImage(0));
- }
-
- mDepth = (getPositionAgent()-LLViewerCamera::getInstance()->getOrigin())*LLViewerCamera::getInstance()->getAtAxis();
-
- S32 face_indx = 0;
- for ( ; face_indx < num_faces; face_indx++)
- {
- facep = drawable->getFace(face_indx);
- if (!facep)
- {
- llwarns << "No facep for index " << face_indx << llendl;
- continue;
- }
-
- facep->setSize(4, 6);
-
- facep->setTEOffset(face_indx);
- facep->setTexture(getTEImage(0));
- const LLCloudPuff &puff = mCloudGroupp->getPuff(face_indx);
- const LLVector3 puff_pos_agent = gAgent.getPosAgentFromGlobal(puff.getPositionGlobal());
- facep->mCenterLocal = puff_pos_agent;
- /// Update cloud color based on sun color.
- LLColor4 float_color(LLColor3(gSky.getSunDiffuseColor() + gSky.getSunAmbientColor()),puff.getAlpha());
- facep->setFaceColor(float_color);
- }
- for ( ; face_indx < drawable->getNumFaces(); face_indx++)
- {
- facep = drawable->getFace(face_indx);
- if (!facep)
- {
- llwarns << "No facep for index " << face_indx << llendl;
- continue;
- }
-
- facep->setTEOffset(face_indx);
- facep->setSize(0,0);
- }
-
- drawable->movePartition();
-
- return TRUE;
-}
-
-F32 LLVOClouds::getPartSize(S32 idx)
-{
- return (CLOUD_PUFF_HEIGHT+CLOUD_PUFF_WIDTH)*0.5f;
-}
-
-void LLVOClouds::getGeometry(S32 te,
- LLStrider<LLVector3>& verticesp,
- LLStrider<LLVector3>& normalsp,
- LLStrider<LLVector2>& texcoordsp,
- LLStrider<LLColor4U>& colorsp,
- LLStrider<U16>& indicesp)
-{
-
- if (te >= mCloudGroupp->getNumPuffs())
- {
- return;
- }
-
- LLDrawable* drawable = mDrawable;
- LLFace *facep = drawable->getFace(te);
-
- if (!facep->hasGeometry())
- {
- return;
- }
-
- LLVector3 normal(0.f,0.f,-1.f);
-
- const LLCloudPuff &puff = mCloudGroupp->getPuff(te);
- S32 index_offset = facep->getGeomIndex();
- LLColor4 float_color(LLColor3(gSky.getSunDiffuseColor() + gSky.getSunAmbientColor()),puff.getAlpha());
- LLColor4U color;
- color.setVec(float_color);
- facep->setFaceColor(float_color);
-
-
- LLVector3 up;
- LLVector3 right;
- LLVector3 at;
-
- const LLVector3& puff_pos_agent = facep->mCenterLocal;
- LLVector2 uvs[4];
-
- uvs[0].setVec(0.f, 1.f);
- uvs[1].setVec(0.f, 0.f);
- uvs[2].setVec(1.f, 1.f);
- uvs[3].setVec(1.f, 0.f);
-
- LLVector3 vtx[4];
-
- at = LLViewerCamera::getInstance()->getAtAxis();
- right = at % LLVector3(0.f, 0.f, 1.f);
- right.normVec();
- up = right % at;
- up.normVec();
- right *= 0.5f*CLOUD_PUFF_WIDTH;
- up *= 0.5f*CLOUD_PUFF_HEIGHT;;
-
- *colorsp++ = color;
- *colorsp++ = color;
- *colorsp++ = color;
- *colorsp++ = color;
-
- vtx[0] = puff_pos_agent - right + up;
- vtx[1] = puff_pos_agent - right - up;
- vtx[2] = puff_pos_agent + right + up;
- vtx[3] = puff_pos_agent + right - up;
-
- verticesp->mV[3] = 0.f;
- *verticesp++ = vtx[0];
- verticesp->mV[3] = 0.f;
- *verticesp++ = vtx[1];
- verticesp->mV[3] = 0.f;
- *verticesp++ = vtx[2];
- verticesp->mV[3] = 0.f;
- *verticesp++ = vtx[3];
-
- *texcoordsp++ = uvs[0];
- *texcoordsp++ = uvs[1];
- *texcoordsp++ = uvs[2];
- *texcoordsp++ = uvs[3];
-
- *normalsp++ = normal;
- *normalsp++ = normal;
- *normalsp++ = normal;
- *normalsp++ = normal;
-
- *indicesp++ = index_offset + 0;
- *indicesp++ = index_offset + 1;
- *indicesp++ = index_offset + 2;
-
- *indicesp++ = index_offset + 1;
- *indicesp++ = index_offset + 3;
- *indicesp++ = index_offset + 2;
-}
-
-U32 LLVOClouds::getPartitionType() const
-{
- return LLViewerRegion::PARTITION_CLOUD;
-}
-
-// virtual
-void LLVOClouds::updateDrawable(BOOL force_damped)
-{
- // Force an immediate rebuild on any update
- if (mDrawable.notNull())
- {
- mDrawable->updateXform(TRUE);
- gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_ALL, TRUE);
- }
- clearChanged(SHIFTED);
-}
-
-LLCloudPartition::LLCloudPartition()
-{
- mDrawableType = LLPipeline::RENDER_TYPE_CLOUDS;
- mPartitionType = LLViewerRegion::PARTITION_CLOUD;
-}
-
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