BOOL LLVOClouds::updateGeometry(LLDrawable *drawable)
{
LLFastTimer ftm(LLFastTimer::FTM_UPDATE_CLOUDS);
if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_CLOUDS)))
{
return TRUE;
}
dirtySpatialGroup();
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;
}
BOOL LLVOPartGroup::updateGeometry(LLDrawable *drawable)
{
LLFastTimer ftm(FTM_UPDATE_PARTICLES);
dirtySpatialGroup();
S32 num_parts = mViewerPartGroupp->getCount();
LLFace *facep;
LLSpatialGroup* group = drawable->getSpatialGroup();
if (!group && num_parts)
{
drawable->movePartition();
group = drawable->getSpatialGroup();
}
if (group && group->isVisible())
{
dirtySpatialGroup(TRUE);
}
if (!num_parts)
{
if (group && drawable->getNumFaces())
{
group->setState(LLSpatialGroup::GEOM_DIRTY);
}
drawable->setNumFaces(0, NULL, getTEImage(0));
return TRUE;
}
if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES)))
{
return TRUE;
}
if (num_parts > drawable->getNumFaces())
{
drawable->setNumFacesFast(num_parts+num_parts/4, NULL, getTEImage(0));
}
F32 tot_area = 0;
F32 max_area = LLViewerPartSim::getMaxPartCount() * MAX_PARTICLE_AREA_SCALE;
F32 pixel_meter_ratio = LLViewerCamera::getInstance()->getPixelMeterRatio();
pixel_meter_ratio *= pixel_meter_ratio;
LLViewerPartSim::checkParticleCount(mViewerPartGroupp->mParticles.size()) ;
S32 count=0;
mDepth = 0.f;
S32 i = 0 ;
LLVector3 camera_agent = getCameraPosition();
F32 max_scale = 0.f;
for (i = 0 ; i < (S32)mViewerPartGroupp->mParticles.size(); i++)
{
const LLViewerPart *part = mViewerPartGroupp->mParticles[i];
//remember the largest particle
max_scale = llmax(max_scale, part->mScale.mV[0], part->mScale.mV[1]);
if (part->mFlags & LLPartData::LL_PART_RIBBON_MASK)
{ //include ribbon segment length in scale
const LLVector3* pos_agent = NULL;
if (part->mParent)
{
pos_agent = &(part->mParent->mPosAgent);
}
else if (part->mPartSourcep.notNull())
{
pos_agent = &(part->mPartSourcep->mPosAgent);
}
if (pos_agent)
{
F32 dist = (*pos_agent-part->mPosAgent).length();
max_scale = llmax(max_scale, dist);
}
}
LLVector3 part_pos_agent(part->mPosAgent);
LLVector3 at(part_pos_agent - camera_agent);
F32 camera_dist_squared = at.lengthSquared();
F32 inv_camera_dist_squared;
if (camera_dist_squared > 1.f)
inv_camera_dist_squared = 1.f / camera_dist_squared;
else
inv_camera_dist_squared = 1.f;
llassert(llfinite(inv_camera_dist_squared));
llassert(!llisnan(inv_camera_dist_squared));
F32 area = part->mScale.mV[0] * part->mScale.mV[1] * inv_camera_dist_squared;
tot_area = llmax(tot_area, area);
if (tot_area > max_area)
{
break;
}
count++;
facep = drawable->getFace(i);
if (!facep)
{
LL_WARNS() << "No face found for index " << i << "!" << LL_ENDL;
continue;
}
facep->setTEOffset(i);
const F32 NEAR_PART_DIST_SQ = 5.f*5.f; // Only discard particles > 5 m from the camera
const F32 MIN_PART_AREA = .005f*.005f; // only less than 5 mm x 5 mm at 1 m from camera
if (camera_dist_squared > NEAR_PART_DIST_SQ && area < MIN_PART_AREA)
{
facep->setSize(0, 0);
continue;
}
facep->setSize(4, 6);
facep->setViewerObject(this);
if (part->mFlags & LLPartData::LL_PART_EMISSIVE_MASK)
{
facep->setState(LLFace::FULLBRIGHT);
}
else
{
facep->clearState(LLFace::FULLBRIGHT);
}
facep->mCenterLocal = part->mPosAgent;
facep->setFaceColor(part->mColor);
facep->setTexture(part->mImagep);
//check if this particle texture is replaced by a parcel media texture.
if(part->mImagep.notNull() && part->mImagep->hasParcelMedia())
{
part->mImagep->getParcelMedia()->addMediaToFace(facep) ;
}
mPixelArea = tot_area * pixel_meter_ratio;
const F32 area_scale = 10.f; // scale area to increase priority a bit
facep->setVirtualSize(mPixelArea*area_scale);
}
for (i = count; i < drawable->getNumFaces(); i++)
{
LLFace* facep = drawable->getFace(i);
if (!facep)
{
LL_WARNS() << "No face found for index " << i << "!" << LL_ENDL;
continue;
}
facep->setTEOffset(i);
facep->setSize(0, 0);
}
//record max scale (used to stretch bounding box for visibility culling)
mScale.set(max_scale, max_scale, max_scale);
mDrawable->movePartition();
return TRUE;
}
void LLVOClouds::getGeometry(S32 idx,
LLStrider<LLVector4a>& verticesp,
LLStrider<LLVector3>& normalsp,
LLStrider<LLVector2>& texcoordsp,
LLStrider<LLColor4U>& colorsp,
LLStrider<U16>& indicesp)
{
if (idx >= mCloudGroupp->getNumPuffs())
{
return;
}
LLDrawable* drawable = mDrawable;
LLFace *facep = drawable->getFace(idx);
if (!facep->hasGeometry())
{
return;
}
const LLCloudPuff &puff = mCloudGroupp->getPuff(idx);
LLColor4 float_color(LLColor3(gSky.getSunDiffuseColor() + gSky.getSunAmbientColor()),puff.getAlpha());
LLColor4U color;
color.setVec(float_color);
facep->setFaceColor(float_color);
U32 vert_offset = facep->getGeomIndex();
LLVector4a part_pos_agent;
part_pos_agent.load3(facep->mCenterLocal.mV);
LLVector4a at;
at.load3(LLViewerCamera::getInstance()->getAtAxis().mV);
LLVector4a up(0, 0, 1);
LLVector4a right;
right.setCross3(at, up);
right.normalize3fast();
up.setCross3(right, at);
up.normalize3fast();
right.mul(0.5f*CLOUD_PUFF_WIDTH);
up.mul(0.5f*CLOUD_PUFF_HEIGHT);
LLVector3 normal(0.f,0.f,-1.f);
//HACK -- the verticesp->mV[3] = 0.f here are to set the texture index to 0 (particles don't use texture batching, maybe they should)
// this works because there is actually a 4th float stored after the vertex position which is used as a texture index
// also, somebody please VECTORIZE THIS
LLVector4a ppapu;
LLVector4a ppamu;
ppapu.setAdd(part_pos_agent, up);
ppamu.setSub(part_pos_agent, up);
verticesp->setSub(ppapu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
verticesp->setSub(ppamu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
verticesp->setAdd(ppapu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
verticesp->setAdd(ppamu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
// *verticesp++ = puff_pos_agent - right + up;
// *verticesp++ = puff_pos_agent - right - up;
// *verticesp++ = puff_pos_agent + right + up;
// *verticesp++ = puff_pos_agent + right - up;
*colorsp++ = color;
*colorsp++ = color;
*colorsp++ = color;
*colorsp++ = color;
*texcoordsp++ = LLVector2(0.f, 1.f);
*texcoordsp++ = LLVector2(0.f, 0.f);
*texcoordsp++ = LLVector2(1.f, 1.f);
*texcoordsp++ = LLVector2(1.f, 0.f);
*normalsp++ = normal;
*normalsp++ = normal;
*normalsp++ = normal;
*normalsp++ = normal;
*indicesp++ = vert_offset + 0;
*indicesp++ = vert_offset + 1;
*indicesp++ = vert_offset + 2;
*indicesp++ = vert_offset + 1;
*indicesp++ = vert_offset + 3;
*indicesp++ = vert_offset + 2;
}
BOOL LLVOPartGroup::updateGeometry(LLDrawable *drawable)
{
LLFastTimer ftm(LLFastTimer::FTM_UPDATE_PARTICLES);
dirtySpatialGroup();
S32 num_parts = mViewerPartGroupp->getCount();
LLFace *facep;
LLSpatialGroup* group = drawable->getSpatialGroup();
if (!group && num_parts)
{
drawable->movePartition();
group = drawable->getSpatialGroup();
}
if (!num_parts)
{
if (group && drawable->getNumFaces())
{
group->setState(LLSpatialGroup::GEOM_DIRTY);
}
drawable->setNumFaces(0, NULL, getTEImage(0));
LLPipeline::sCompiles++;
return TRUE;
}
if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES)))
{
return TRUE;
}
if (num_parts > drawable->getNumFaces())
{
drawable->setNumFacesFast(num_parts+num_parts/4, NULL, getTEImage(0));
}
F32 tot_area = 0;
F32 max_area = LLViewerPartSim::getMaxPartCount() * MAX_PARTICLE_AREA_SCALE;
F32 pixel_meter_ratio = LLViewerCamera::getInstance()->getPixelMeterRatio();
pixel_meter_ratio *= pixel_meter_ratio;
LLViewerPartSim::checkParticleCount(mViewerPartGroupp->mParticles.size()) ;
S32 count=0;
mDepth = 0.f;
S32 i = 0 ;
LLVector3 camera_agent = getCameraPosition();
for (i = 0 ; i < (S32)mViewerPartGroupp->mParticles.size(); i++)
{
const LLViewerPart *part = mViewerPartGroupp->mParticles[i];
LLVector3 part_pos_agent(part->mPosAgent);
LLVector3 at(part_pos_agent - camera_agent);
F32 camera_dist_squared = at.lengthSquared();
F32 inv_camera_dist_squared;
if (camera_dist_squared > 1.f)
inv_camera_dist_squared = 1.f / camera_dist_squared;
else
inv_camera_dist_squared = 1.f;
F32 area = part->mScale.mV[0] * part->mScale.mV[1] * inv_camera_dist_squared;
tot_area = llmax(tot_area, area);
if (tot_area > max_area)
{
break;
}
count++;
facep = drawable->getFace(i);
if (!facep)
{
llwarns << "No face found for index " << i << "!" << llendl;
continue;
}
facep->setTEOffset(i);
const F32 NEAR_PART_DIST_SQ = 5.f*5.f; // Only discard particles > 5 m from the camera
const F32 MIN_PART_AREA = .005f*.005f; // only less than 5 mm x 5 mm at 1 m from camera
if (camera_dist_squared > NEAR_PART_DIST_SQ && area < MIN_PART_AREA)
{
facep->setSize(0, 0);
continue;
}
facep->setSize(4, 6);
facep->setViewerObject(this);
if (part->mFlags & LLPartData::LL_PART_EMISSIVE_MASK)
{
facep->setState(LLFace::FULLBRIGHT);
}
else
{
facep->clearState(LLFace::FULLBRIGHT);
}
facep->mCenterLocal = part->mPosAgent;
facep->setFaceColor(part->mColor);
facep->setTexture(part->mImagep);
mPixelArea = tot_area * pixel_meter_ratio;
const F32 area_scale = 10.f; // scale area to increase priority a bit
facep->setVirtualSize(mPixelArea*area_scale);
}
for (i = count; i < drawable->getNumFaces(); i++)
{
LLFace* facep = drawable->getFace(i);
if (!facep)
{
llwarns << "No face found for index " << i << "!" << llendl;
continue;
}
facep->setTEOffset(i);
facep->setSize(0, 0);
}
mDrawable->movePartition();
LLPipeline::sCompiles++;
return TRUE;
}
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;
}
void LLSprite::updateFace(LLFace &face)
{
LLViewerCamera &camera = *LLViewerCamera::getInstance();
// First, figure out how many vertices/indices we need.
U32 num_vertices, num_indices;
U32 vertex_count = 0;
// Get the total number of vertices and indices
if (mFollow)
{
num_vertices = 4;
num_indices = 6;
}
else
{
num_vertices = 4;
num_indices = 12;
}
face.setSize(num_vertices, num_indices);
if (mFollow)
{
sCameraUp = camera.getUpAxis();
sCameraRight = -camera.getLeftAxis();
sCameraPosition = camera.getOrigin();
sNormal = -camera.getAtAxis();
if (mUseCameraUp)
{
// these need to live here because the height/width may change between render calls
mScaledUp = sCameraUp;
mScaledRight = sCameraRight;
mScaledUp *= mHeightDiv2;
mScaledRight *= mWidthDiv2;
mA = mPosition + mScaledRight + mScaledUp;
mB = mPosition - mScaledRight + mScaledUp;
mC = mPosition - mScaledRight - mScaledUp;
mD = mPosition + mScaledRight - mScaledUp;
}
else
{
// The up vector is perpendicular to the camera vector...
LLVector3 camera_vec = mPosition - sCameraPosition;
mScaledRight = camera_vec % LLVector3(0.f, 0.f, 1.f);
mScaledUp = -(camera_vec % mScaledRight);
mScaledUp.normalize();
mScaledRight.normalize();
mScaledUp *= mHeightDiv2;
mScaledRight *= mWidthDiv2;
mA = mPosition + mScaledRight + mScaledUp;
mB = mPosition - mScaledRight + mScaledUp;
mC = mPosition - mScaledRight - mScaledUp;
mD = mPosition + mScaledRight - mScaledUp;
}
}
else
{
// this is equivalent to how it was done before. . .
// we need to establish a way to
// identify the orientation of a particular sprite rather than
// just banging it in on the x,z plane if it's not following the camera.
LLVector3 x_axis;
LLVector3 y_axis;
F32 dot = sNormal * LLVector3(0.f, 1.f, 0.f);
if (dot == 1.f || dot == -1.f)
{
x_axis.setVec(1.f, 0.f, 0.f);
y_axis.setVec(0.f, 1.f, 0.f);
}
else
{
x_axis = sNormal % LLVector3(0.f, -1.f, 0.f);
x_axis.normalize();
y_axis = sNormal % x_axis;
}
LLQuaternion yaw_rot(mYaw, sNormal);
// rotate axes by specified yaw
x_axis = x_axis * yaw_rot;
y_axis = y_axis * yaw_rot;
// rescale axes by width and height of sprite
x_axis = x_axis * mWidthDiv2;
y_axis = y_axis * mHeightDiv2;
mA = -x_axis + y_axis;
mB = x_axis + y_axis;
mC = x_axis - y_axis;
mD = -x_axis - y_axis;
mA += mPosition;
mB += mPosition;
mC += mPosition;
mD += mPosition;
}
face.setFaceColor(mColor);
LLStrider<LLVector3> verticesp;
LLStrider<LLVector3> normalsp;
LLStrider<LLVector2> tex_coordsp;
LLStrider<U16> indicesp;
U16 index_offset;
// Setup face
if (!face.getVertexBuffer())
{
LLVertexBuffer* buff = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX |
LLVertexBuffer::MAP_TEXCOORD0,
GL_STREAM_DRAW_ARB);
buff->allocateBuffer(4, 12, TRUE);
face.setGeomIndex(0);
face.setIndicesIndex(0);
face.setVertexBuffer(buff);
}
index_offset = face.getGeometry(verticesp,normalsp,tex_coordsp, indicesp);
*tex_coordsp = LLVector2(0.f, 0.f);
*verticesp = mC;
tex_coordsp++;
verticesp++;
vertex_count++;
*tex_coordsp = LLVector2(0.f, 1.f);
*verticesp = mB;
tex_coordsp++;
verticesp++;
vertex_count++;
*tex_coordsp = LLVector2(1.f, 1.f);
*verticesp = mA;
tex_coordsp++;
verticesp++;
vertex_count++;
*tex_coordsp = LLVector2(1.f, 0.0f);
*verticesp = mD;
tex_coordsp++;
verticesp++;
vertex_count++;
// Generate indices, since they're easy.
// Just a series of quads.
*indicesp++ = index_offset;
*indicesp++ = 2 + index_offset;
*indicesp++ = 1 + index_offset;
*indicesp++ = index_offset;
*indicesp++ = 3 + index_offset;
*indicesp++ = 2 + index_offset;
if (!mFollow)
{
*indicesp++ = 0 + index_offset;
*indicesp++ = 1 + index_offset;
*indicesp++ = 2 + index_offset;
*indicesp++ = 0 + index_offset;
*indicesp++ = 2 + index_offset;
*indicesp++ = 3 + index_offset;
}
face.getVertexBuffer()->setBuffer(0);
face.mCenterAgent = mPosition;
}
BOOL LLVOGround::updateGeometry(LLDrawable *drawable)
{
LLStrider<LLVector3> verticesp;
LLStrider<LLVector3> normalsp;
LLStrider<LLVector2> texCoordsp;
LLStrider<U16> indicesp;
S32 index_offset;
LLFace *face;
LLDrawPoolGround *poolp = (LLDrawPoolGround*) gPipeline.getPool(LLDrawPool::POOL_GROUND);
if (drawable->getNumFaces() < 1)
drawable->addFace(poolp, NULL);
face = drawable->getFace(0);
if (face->mVertexBuffer.isNull())
{
face->setSize(5, 12);
face->mVertexBuffer = new LLVertexBuffer(LLDrawPoolGround::VERTEX_DATA_MASK, GL_STREAM_DRAW_ARB);
face->mVertexBuffer->allocateBuffer(face->getGeomCount(), face->getIndicesCount(), TRUE);
face->setGeomIndex(0);
face->setIndicesIndex(0);
}
index_offset = face->getGeometry(verticesp,normalsp,texCoordsp, indicesp);
if (-1 == index_offset)
{
return TRUE;
}
///////////////////////////////////////
//
//
//
LLVector3 at_dir = LLViewerCamera::getInstance()->getAtAxis();
at_dir.mV[VZ] = 0.f;
if (at_dir.normVec() < 0.01)
{
// We really don't care, as we're not looking anywhere near the horizon.
}
LLVector3 left_dir = LLViewerCamera::getInstance()->getLeftAxis();
left_dir.mV[VZ] = 0.f;
left_dir.normVec();
// Our center top point
LLColor4 ground_color = gSky.getFogColor();
ground_color.mV[3] = 1.f;
face->setFaceColor(ground_color);
*(verticesp++) = LLVector3(64, 64, 0);
*(verticesp++) = LLVector3(-64, 64, 0);
*(verticesp++) = LLVector3(-64, -64, 0);
*(verticesp++) = LLVector3(64, -64, 0);
*(verticesp++) = LLVector3(0, 0, -1024);
// Triangles for each side
*indicesp++ = index_offset + 0;
*indicesp++ = index_offset + 1;
*indicesp++ = index_offset + 4;
*indicesp++ = index_offset + 1;
*indicesp++ = index_offset + 2;
*indicesp++ = index_offset + 4;
*indicesp++ = index_offset + 2;
*indicesp++ = index_offset + 3;
*indicesp++ = index_offset + 4;
*indicesp++ = index_offset + 3;
*indicesp++ = index_offset + 0;
*indicesp++ = index_offset + 4;
*(texCoordsp++) = LLVector2(0.f, 0.f);
*(texCoordsp++) = LLVector2(1.f, 0.f);
*(texCoordsp++) = LLVector2(1.f, 1.f);
*(texCoordsp++) = LLVector2(0.f, 1.f);
*(texCoordsp++) = LLVector2(0.5f, 0.5f);
face->mVertexBuffer->setBuffer(0);
LLPipeline::sCompiles++;
return TRUE;
}
void LLVOClouds::getGeometry(S32 te,
LLStrider<LLVector3>& verticesp,
LLStrider<LLVector3>& normalsp,
LLStrider<LLVector2>& texcoordsp,
LLStrider<LLColor4U>& colorsp,
LLStrider<U32>& 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();
LLColor4U color(255, 255, 255, (U8) (puff.getAlpha()*255));
facep->setFaceColor(LLColor4(color));
if (isParticle())
{
*verticesp++ = facep->mCenterLocal;
*texcoordsp++ = LLVector2(0.5f, 0.5f);
*colorsp++ = color;
*normalsp++ = normal;
*indicesp++ = facep->getGeomIndex();
}
else
{
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 = gCamera->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++ = vtx[0];
*verticesp++ = vtx[1];
*verticesp++ = vtx[2];
*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;
}
}
