void LLVOTextBubble::getGeometry(S32 idx,
LLStrider<LLVector3>& verticesp,
LLStrider<LLVector3>& normalsp,
LLStrider<LLVector2>& texcoordsp,
LLStrider<LLColor4U>& colorsp,
LLStrider<U16>& indicesp)
{
if (idx == 0 || idx == 2)
{
return;
}
const LLVolumeFace& face = getVolume()->getVolumeFace(idx);
LLVector3 pos = getPositionAgent();
LLColor4U color = LLColor4U(getTE(idx)->getColor());
U32 offset = mDrawable->getFace(idx)->getGeomIndex();
for (U32 i = 0; i < face.mVertices.size(); i++)
{
*verticesp++ = face.mVertices[i].mPosition.scaledVec(getScale()) + pos;
*normalsp++ = face.mVertices[i].mNormal;
*texcoordsp++ = face.mVertices[i].mTexCoord;
*colorsp++ = color;
}
for (U32 i = 0; i < face.mIndices.size(); i++)
{
*indicesp++ = face.mIndices[i] + offset;
}
}
void LLVOTree::setPixelAreaAndAngle(LLAgent &agent)
{
// First calculate values as for any other object (for mAppAngle)
LLViewerObject::setPixelAreaAndAngle(agent);
// Re-calculate mPixelArea accurately
// This should be the camera's center, as soon as we move to all region-local.
LLVector3 relative_position = getPositionAgent() - agent.getCameraPositionAgent();
F32 range = relative_position.length(); // ugh, square root
F32 max_scale = mBillboardScale * getMaxScale();
F32 area = max_scale * (max_scale*mBillboardRatio);
// Compute pixels per meter at the given range
F32 pixels_per_meter = LLViewerCamera::getInstance()->getViewHeightInPixels() /
(tan(LLViewerCamera::getInstance()->getView()) * range);
mPixelArea = (pixels_per_meter) * (pixels_per_meter) * area;
#if 0
// mAppAngle is a bit of voodoo;
// use the one calculated LLViewerObject::setPixelAreaAndAngle above
// to avoid LOD miscalculations
mAppAngle = (F32) atan2( max_scale, range) * RAD_TO_DEG;
#endif
}
void LLVOPartGroup::updateSpatialExtents(LLVector3& newMin, LLVector3& newMax)
{
const LLVector3& pos_agent = getPositionAgent();
newMin = pos_agent - mScale;
newMax = pos_agent + mScale;
mDrawable->setPositionGroup(pos_agent);
}
void LLVOTextBubble::updateTextures(LLAgent &agent)
{
// Update the image levels of all textures...
// First we do some quick checks.
U32 i;
// This doesn't take into account whether the object is in front
// or behind...
LLVector3 position_local = getPositionAgent() - agent.getCameraPositionAgent();
F32 dot_product = position_local * agent.getFrameAgent().getAtAxis();
F32 cos_angle = dot_product / position_local.magVec();
if (cos_angle > 1.f)
{
cos_angle = 1.f;
}
for (i = 0; i < getNumTEs(); i++)
{
const LLTextureEntry *te = getTE(i);
F32 texel_area_ratio = fabs(te->mScaleS * te->mScaleT);
LLViewerImage *imagep = getTEImage(i);
if (imagep)
{
imagep->addTextureStats(mPixelArea, texel_area_ratio, cos_angle);
}
}
}
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;
}
void LLDrawable::updateDistance(LLCamera& camera, bool force_update)
{
if (LLViewerCamera::sCurCameraID != LLViewerCamera::CAMERA_WORLD)
{
llwarns << "Attempted to update distance for non-world camera." << llendl;
return;
}
//switch LOD with the spatial group to avoid artifacts
//LLSpatialGroup* sg = getSpatialGroup();
LLVector3 pos;
//if (!sg || sg->changeLOD())
{
LLVOVolume* volume = getVOVolume();
if (volume)
{
if (getSpatialGroup())
{
pos.set(getPositionGroup().getF32ptr());
}
else
{
pos = getPositionAgent();
}
if (isState(LLDrawable::HAS_ALPHA))
{
for (S32 i = 0; i < getNumFaces(); i++)
{
LLFace* facep = getFace(i);
if (force_update || facep->getPoolType() == LLDrawPool::POOL_ALPHA)
{
LLVector4a box;
box.setSub(facep->mExtents[1], facep->mExtents[0]);
box.mul(0.25f);
LLVector3 v = (facep->mCenterLocal-camera.getOrigin());
const LLVector3& at = camera.getAtAxis();
for (U32 j = 0; j < 3; j++)
{
v.mV[j] -= box[j] * at.mV[j];
}
facep->mDistance = v * camera.getAtAxis();
}
}
}
}
else
{
pos = LLVector3(getPositionGroup().getF32ptr());
}
pos -= camera.getOrigin();
mDistanceWRTCamera = llround(pos.magVec(), 0.01f);
mVObjp->updateLOD();
}
}
BOOL LLVOClouds::updateGeometry(LLDrawable *drawable)
{
LLFastTimer ftm(LLFastTimer::FTM_UPDATE_CLOUDS);
if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_CLOUDS)))
return TRUE;
LLFace *facep;
S32 num_faces = mCloudGroupp->getNumPuffs();
if (num_faces > drawable->getNumFaces())
{
drawable->setNumFacesFast(num_faces, NULL, getTEImage(0));
}
mDepth = (getPositionAgent()-gCamera->getOrigin())*gCamera->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;
}
if (isParticle())
{
facep->setSize(1,1);
}
else
{
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;
}
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;
}
void LLVOPartGroup::updateSpatialExtents(LLVector4a& newMin, LLVector4a& newMax)
{
const LLVector3& pos_agent = getPositionAgent();
newMin.load3( (pos_agent - mScale).mV);
newMax.load3( (pos_agent + mScale).mV);
LLVector4a pos;
pos.load3(pos_agent.mV);
mDrawable->setPositionGroup(pos);
}
BOOL LLVOTree::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
{
if (mDead || !(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_TREE)))
{
return TRUE;
}
S32 trunk_LOD = sMAX_NUM_TREE_LOD_LEVELS ;
F32 app_angle = getAppAngle()*LLVOTree::sTreeFactor;
for (S32 j = 0; j < sMAX_NUM_TREE_LOD_LEVELS; j++)
{
if (app_angle > LLVOTree::sLODAngles[j])
{
trunk_LOD = j;
break;
}
}
if (mReferenceBuffer.isNull())
{
gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_ALL, TRUE);
}
else if (trunk_LOD != mTrunkLOD)
{
gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_ALL, FALSE);
}
else
{
// we're not animating but we may *still* need to
// regenerate the mesh if we moved, since position
// and rotation are baked into the mesh.
// *TODO: I don't know what's so special about trees
// that they don't get REBUILD_POSITION automatically
// at a higher level.
const LLVector3 &this_position = getPositionAgent();
if (this_position != mLastPosition)
{
gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_POSITION);
mLastPosition = this_position;
}
else
{
const LLQuaternion &this_rotation = getRotation();
if (this_rotation != mLastRotation)
{
gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_POSITION);
mLastRotation = this_rotation;
}
}
}
mTrunkLOD = trunk_LOD;
return TRUE;
}
void LLVOWater::updateSpatialExtents(LLVector3 &newMin, LLVector3& newMax)
{
LLVector3 pos = getPositionAgent();
LLVector3 scale = getScale();
newMin = pos - scale * 0.5f;
newMax = pos + scale * 0.5f;
mDrawable->setPositionGroup((newMin + newMax) * 0.5f);
}
void LLVOSurfacePatch::updateSpatialExtents(LLVector4a& newMin, LLVector4a &newMax)
{
LLVector3 posAgent = getPositionAgent();
LLVector3 scale = getScale();
scale.mV[VZ] = llmax(scale.mV[VZ], 1.f);
newMin.load3( (posAgent-scale*0.5f).mV); // Changing to 2.f makes the culling a -little- better, but still wrong
newMax.load3( (posAgent+scale*0.5f).mV);
LLVector4a pos;
pos.setAdd(newMin,newMax);
pos.mul(0.5f);
mDrawable->setPositionGroup(pos);
}
void LLVOWater::updateSpatialExtents(LLVector4a &newMin, LLVector4a& newMax)
{
LLVector4a pos;
pos.load3(getPositionAgent().mV);
LLVector4a scale;
scale.load3(getScale().mV);
scale.mul(0.5f);
newMin.setSub(pos, scale);
newMax.setAdd(pos, scale);
pos.setAdd(newMin,newMax);
pos.mul(0.5f);
mDrawable->setPositionGroup(pos);
}
void LLVOPartGroup::updateSpatialExtents(LLVector4a& newMin, LLVector4a& newMax)
{
const LLVector3& pos_agent = getPositionAgent();
LLVector4a scale;
LLVector4a p;
p.load3(pos_agent.mV);
scale.splat(mScale.mV[0]+mViewerPartGroupp->getBoxSide()*0.5f);
newMin.setSub(p, scale);
newMax.setAdd(p,scale);
llassert(newMin.isFinite3());
llassert(newMax.isFinite3());
llassert(p.isFinite3());
mDrawable->setPositionGroup(p);
}
BOOL LLFace::calcPixelArea(F32& cos_angle_to_view_dir, F32& radius)
{
//VECTORIZE THIS
//get area of circle around face
LLVector4a center;
center.load3(getPositionAgent().mV);
LLVector4a size;
size.setSub(mExtents[1], mExtents[0]);
size.mul(0.5f);
LLViewerCamera* camera = LLViewerCamera::getInstance();
F32 size_squared = size.dot3(size).getF32();
LLVector4a lookAt;
LLVector4a t;
t.load3(camera->getOrigin().mV);
lookAt.setSub(center, t);
F32 dist = lookAt.getLength3().getF32();
dist = llmax(dist-size.getLength3().getF32(), 0.f);
lookAt.normalize3fast() ;
//get area of circle around node
F32 app_angle = atanf((F32) sqrt(size_squared) / dist);
radius = app_angle*LLDrawable::sCurPixelAngle;
mPixelArea = radius*radius * 3.14159f;
LLVector4a x_axis;
x_axis.load3(camera->getXAxis().mV);
cos_angle_to_view_dir = lookAt.dot3(x_axis).getF32();
if(dist < mBoundingSphereRadius) //camera is very close
{
cos_angle_to_view_dir = 1.0f;
mImportanceToCamera = 1.0f;
}
else
{
mImportanceToCamera = LLFace::calcImportanceToCamera(cos_angle_to_view_dir, dist);
}
return true;
}
void LLVOTree::setPixelAreaAndAngle(LLAgent &agent)
{
LLVector3 center = getPositionAgent();//center of tree.
LLVector3 viewer_pos_agent = gAgent.getCameraPositionAgent();
LLVector3 lookAt = center - viewer_pos_agent;
F32 dist = lookAt.normVec() ;
F32 cos_angle_to_view_dir = lookAt * LLViewerCamera::getInstance()->getXAxis() ;
F32 range = dist - getMinScale()/2;
if (range < F_ALMOST_ZERO) // range == zero
{
range = 0;
mAppAngle = 180.f;
}
else
{
mAppAngle = (F32) atan2( getMaxScale(), range) * RAD_TO_DEG;
}
F32 max_scale = mBillboardScale * getMaxScale();
F32 area = max_scale * (max_scale*mBillboardRatio);
// Compute pixels per meter at the given range
F32 pixels_per_meter = LLViewerCamera::getInstance()->getViewHeightInPixels() / (tan(LLViewerCamera::getInstance()->getView()) * dist);
mPixelArea = pixels_per_meter * pixels_per_meter * area ;
F32 importance = LLFace::calcImportanceToCamera(cos_angle_to_view_dir, dist) ;
mPixelArea = LLFace::adjustPixelArea(importance, mPixelArea) ;
if (mPixelArea > LLViewerCamera::getInstance()->getScreenPixelArea())
{
mAppAngle = 180.f;
}
#if 0
// mAppAngle is a bit of voodoo;
// use the one calculated LLViewerObject::setPixelAreaAndAngle above
// to avoid LOD miscalculations
mAppAngle = (F32) atan2( max_scale, range) * RAD_TO_DEG;
#endif
}
BOOL LLVOTree::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
{
const U16 FRAMES_PER_WIND_UPDATE = 20; // How many frames between wind update per tree
const F32 TREE_WIND_SENSITIVITY = 0.005f;
const F32 TREE_TRUNK_STIFFNESS = 0.1f;
if (mDead || !(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_TREE)))
{
return TRUE;
}
//it's cheaper to check if wind is enabled first
if (gLLWindEnabled && gSavedSettings.getBOOL("RenderAnimateTrees"))
{
F32 mass_inv;
// For all tree objects, update the trunk bending with the current wind
// Walk sprite list in order away from viewer
if (!(mFrameCount % FRAMES_PER_WIND_UPDATE))
{
// If needed, Get latest wind for this tree
mWind = mRegionp->mWind.getVelocity(getPositionRegion());
}
mFrameCount++;
mass_inv = 1.f/(5.f + mDepth*mBranches*0.2f);
mTrunkVel += (mWind * mass_inv * TREE_WIND_SENSITIVITY); // Pull in direction of wind
mTrunkVel -= (mTrunkBend * mass_inv * TREE_TRUNK_STIFFNESS); // Restoring force in direction of trunk
mTrunkBend += mTrunkVel;
mTrunkVel *= 0.99f; // Add damping
if (mTrunkBend.length() > 1.f)
{
mTrunkBend.normalize();
}
if (mTrunkVel.length() > 1.f)
{
mTrunkVel.normalize();
}
}
S32 trunk_LOD = 0;
F32 app_angle = getAppAngle()*LLVOTree::sTreeFactor;
for (S32 j = 0; j < 4; j++)
{
if (app_angle > LLVOTree::sLODAngles[j])
{
trunk_LOD = j;
break;
}
}
if (!gLLWindEnabled || !gSavedSettings.getBOOL("RenderAnimateTrees"))
{
if (mReferenceBuffer.isNull())
{
gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_ALL, TRUE);
}
else if (trunk_LOD != mTrunkLOD)
{
gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_ALL, FALSE);
}
else
{
// we're not animating but we may *still* need to
// regenerate the mesh if we moved, since position
// and rotation are baked into the mesh.
// *TODO: I don't know what's so special about trees
// that they don't get REBUILD_POSITION automatically
// at a higher level.
const LLVector3 &this_position = getPositionAgent();
if (this_position != mLastPosition)
{
gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_POSITION);
mLastPosition = this_position;
}
else
{
const LLQuaternion &this_rotation = getRotation();
if (this_rotation != mLastRotation)
{
gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_POSITION);
mLastRotation = this_rotation;
}
}
}
}
mTrunkLOD = trunk_LOD;
return TRUE;
}
BOOL LLVOWater::updateGeometry(LLDrawable *drawable)
{
LLFastTimer ftm(LLFastTimer::FTM_UPDATE_WATER);
LLFace *face;
if (drawable->getNumFaces() < 1)
{
LLDrawPoolWater *poolp = (LLDrawPoolWater*) gPipeline.getPool(LLDrawPool::POOL_WATER);
drawable->addFace(poolp, NULL);
}
face = drawable->getFace(0);
// LLVector2 uvs[4];
// LLVector3 vtx[4];
LLStrider<LLVector3> verticesp, normalsp;
LLStrider<LLVector2> texCoordsp;
LLStrider<U16> indicesp;
U16 index_offset;
S32 size = 16;
S32 num_quads = size*size;
face->setSize(4*num_quads, 6*num_quads);
if (face->mVertexBuffer.isNull())
{
face->mVertexBuffer = new LLVertexBuffer(LLDrawPoolWater::VERTEX_DATA_MASK, GL_DYNAMIC_DRAW_ARB);
face->mVertexBuffer->allocateBuffer(face->getGeomCount(), face->getIndicesCount(), TRUE);
face->setIndicesIndex(0);
face->setGeomIndex(0);
}
else
{
face->mVertexBuffer->resizeBuffer(face->getGeomCount(), face->getIndicesCount());
}
index_offset = face->getGeometry(verticesp,normalsp,texCoordsp, indicesp);
LLVector3 position_agent;
position_agent = getPositionAgent();
face->mCenterAgent = position_agent;
face->mCenterLocal = position_agent;
S32 x, y;
F32 step_x = getScale().mV[0] / size;
F32 step_y = getScale().mV[1] / size;
const LLVector3 up(0.f, step_y * 0.5f, 0.f);
const LLVector3 right(step_x * 0.5f, 0.f, 0.f);
const LLVector3 normal(0.f, 0.f, 1.f);
F32 size_inv = 1.f / size;
for (y = 0; y < size; y++)
{
for (x = 0; x < size; x++)
{
S32 toffset = index_offset + 4*(y*size + x);
position_agent = getPositionAgent() - getScale() * 0.5f;
position_agent.mV[VX] += (x + 0.5f) * step_x;
position_agent.mV[VY] += (y + 0.5f) * step_y;
*verticesp++ = position_agent - right + up;
*verticesp++ = position_agent - right - up;
*verticesp++ = position_agent + right + up;
*verticesp++ = position_agent + right - up;
*texCoordsp++ = LLVector2(x*size_inv, (y+1)*size_inv);
*texCoordsp++ = LLVector2(x*size_inv, y*size_inv);
*texCoordsp++ = LLVector2((x+1)*size_inv, (y+1)*size_inv);
*texCoordsp++ = LLVector2((x+1)*size_inv, y*size_inv);
*normalsp++ = normal;
*normalsp++ = normal;
*normalsp++ = normal;
*normalsp++ = normal;
*indicesp++ = toffset + 0;
*indicesp++ = toffset + 1;
*indicesp++ = toffset + 2;
*indicesp++ = toffset + 1;
*indicesp++ = toffset + 3;
*indicesp++ = toffset + 2;
}
}
face->mVertexBuffer->setBuffer(0);
mDrawable->movePartition();
LLPipeline::sCompiles++;
return TRUE;
}
BOOL LLVOTree::updateGeometry(LLDrawable *drawable)
{
LLFastTimer ftm(LLFastTimer::FTM_UPDATE_TREE);
if (mReferenceBuffer.isNull() || mDrawable->getFace(0)->mVertexBuffer.isNull())
{
const F32 SRR3 = 0.577350269f; // sqrt(1/3)
const F32 SRR2 = 0.707106781f; // sqrt(1/2)
U32 i, j;
U32 slices = MAX_SLICES;
S32 max_indices = LEAF_INDICES;
S32 max_vertices = LEAF_VERTICES;
S32 lod;
LLFace *face = drawable->getFace(0);
face->mCenterAgent = getPositionAgent();
face->mCenterLocal = face->mCenterAgent;
for (lod = 0; lod < 4; lod++)
{
slices = sLODSlices[lod];
sLODVertexOffset[lod] = max_vertices;
sLODVertexCount[lod] = slices*slices;
sLODIndexOffset[lod] = max_indices;
sLODIndexCount[lod] = (slices-1)*(slices-1)*6;
max_indices += sLODIndexCount[lod];
max_vertices += sLODVertexCount[lod];
}
mReferenceBuffer = new LLVertexBuffer(LLDrawPoolTree::VERTEX_DATA_MASK, gSavedSettings.getBOOL("RenderAnimateTrees") ? GL_STATIC_DRAW_ARB : 0);
mReferenceBuffer->allocateBuffer(max_vertices, max_indices, TRUE);
LLStrider<LLVector3> vertices;
LLStrider<LLVector3> normals;
LLStrider<LLVector2> tex_coords;
LLStrider<U16> indicesp;
mReferenceBuffer->getVertexStrider(vertices);
mReferenceBuffer->getNormalStrider(normals);
mReferenceBuffer->getTexCoord0Strider(tex_coords);
mReferenceBuffer->getIndexStrider(indicesp);
S32 vertex_count = 0;
S32 index_count = 0;
// First leaf
*(normals++) = LLVector3(-SRR2, -SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_BOTTOM);
*(vertices++) = LLVector3(-0.5f*LEAF_WIDTH, 0.f, 0.f);
vertex_count++;
*(normals++) = LLVector3(SRR3, -SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_TOP);
*(vertices++) = LLVector3(0.5f*LEAF_WIDTH, 0.f, 1.f);
vertex_count++;
*(normals++) = LLVector3(-SRR3, -SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_TOP);
*(vertices++) = LLVector3(-0.5f*LEAF_WIDTH, 0.f, 1.f);
vertex_count++;
*(normals++) = LLVector3(SRR2, -SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_BOTTOM);
*(vertices++) = LLVector3(0.5f*LEAF_WIDTH, 0.f, 0.f);
vertex_count++;
*(indicesp++) = 0;
index_count++;
*(indicesp++) = 1;
index_count++;
*(indicesp++) = 2;
index_count++;
*(indicesp++) = 0;
index_count++;
*(indicesp++) = 3;
index_count++;
*(indicesp++) = 1;
index_count++;
// Same leaf, inverse winding/normals
*(normals++) = LLVector3(-SRR2, SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_BOTTOM);
*(vertices++) = LLVector3(-0.5f*LEAF_WIDTH, 0.f, 0.f);
vertex_count++;
*(normals++) = LLVector3(SRR3, SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_TOP);
*(vertices++) = LLVector3(0.5f*LEAF_WIDTH, 0.f, 1.f);
vertex_count++;
*(normals++) = LLVector3(-SRR3, SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_TOP);
*(vertices++) = LLVector3(-0.5f*LEAF_WIDTH, 0.f, 1.f);
vertex_count++;
*(normals++) = LLVector3(SRR2, SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_BOTTOM);
*(vertices++) = LLVector3(0.5f*LEAF_WIDTH, 0.f, 0.f);
vertex_count++;
*(indicesp++) = 4;
index_count++;
*(indicesp++) = 6;
index_count++;
*(indicesp++) = 5;
index_count++;
*(indicesp++) = 4;
index_count++;
*(indicesp++) = 5;
index_count++;
*(indicesp++) = 7;
index_count++;
// next leaf
*(normals++) = LLVector3(SRR2, -SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_BOTTOM);
*(vertices++) = LLVector3(0.f, -0.5f*LEAF_WIDTH, 0.f);
vertex_count++;
*(normals++) = LLVector3(SRR3, SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_TOP);
*(vertices++) = LLVector3(0.f, 0.5f*LEAF_WIDTH, 1.f);
vertex_count++;
*(normals++) = LLVector3(SRR3, -SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_TOP);
*(vertices++) = LLVector3(0.f, -0.5f*LEAF_WIDTH, 1.f);
vertex_count++;
*(normals++) = LLVector3(SRR2, SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_BOTTOM);
*(vertices++) = LLVector3(0.f, 0.5f*LEAF_WIDTH, 0.f);
vertex_count++;
*(indicesp++) = 8;
index_count++;
*(indicesp++) = 9;
index_count++;
*(indicesp++) = 10;
index_count++;
*(indicesp++) = 8;
index_count++;
*(indicesp++) = 11;
index_count++;
*(indicesp++) = 9;
index_count++;
// other side of same leaf
*(normals++) = LLVector3(-SRR2, -SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_BOTTOM);
*(vertices++) = LLVector3(0.f, -0.5f*LEAF_WIDTH, 0.f);
vertex_count++;
*(normals++) = LLVector3(-SRR3, SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_TOP);
*(vertices++) = LLVector3(0.f, 0.5f*LEAF_WIDTH, 1.f);
vertex_count++;
*(normals++) = LLVector3(-SRR3, -SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_TOP);
*(vertices++) = LLVector3(0.f, -0.5f*LEAF_WIDTH, 1.f);
vertex_count++;
*(normals++) = LLVector3(-SRR2, SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_BOTTOM);
*(vertices++) = LLVector3(0.f, 0.5f*LEAF_WIDTH, 0.f);
vertex_count++;
*(indicesp++) = 12;
index_count++;
*(indicesp++) = 14;
index_count++;
*(indicesp++) = 13;
index_count++;
*(indicesp++) = 12;
index_count++;
*(indicesp++) = 13;
index_count++;
*(indicesp++) = 15;
index_count++;
// Generate geometry for the cylinders
// Different LOD's
// Generate the vertices
// Generate the indices
for (lod = 0; lod < 4; lod++)
{
slices = sLODSlices[lod];
F32 base_radius = 0.65f;
F32 top_radius = base_radius * sSpeciesTable[mSpecies]->mTaper;
//llinfos << "Species " << ((U32) mSpecies) << ", taper = " << sSpeciesTable[mSpecies].mTaper << llendl;
//llinfos << "Droop " << mDroop << ", branchlength: " << mBranchLength << llendl;
F32 angle = 0;
F32 angle_inc = 360.f/(slices-1);
F32 z = 0.f;
F32 z_inc = 1.f;
if (slices > 3)
{
z_inc = 1.f/(slices - 3);
}
F32 radius = base_radius;
F32 x1,y1;
F32 noise_scale = sSpeciesTable[mSpecies]->mNoiseMag;
LLVector3 nvec;
const F32 cap_nudge = 0.1f; // Height to 'peak' the caps on top/bottom of branch
const S32 fractal_depth = 5;
F32 nvec_scale = 1.f * sSpeciesTable[mSpecies]->mNoiseScale;
F32 nvec_scalez = 4.f * sSpeciesTable[mSpecies]->mNoiseScale;
F32 tex_z_repeat = sSpeciesTable[mSpecies]->mRepeatTrunkZ;
F32 start_radius;
F32 nangle = 0;
F32 height = 1.f;
F32 r0;
for (i = 0; i < slices; i++)
{
if (i == 0)
{
z = - cap_nudge;
r0 = 0.0;
}
else if (i == (slices - 1))
{
z = 1.f + cap_nudge;//((i - 2) * z_inc) + cap_nudge;
r0 = 0.0;
}
else
{
z = (i - 1) * z_inc;
r0 = base_radius + (top_radius - base_radius)*z;
}
for (j = 0; j < slices; j++)
{
if (slices - 1 == j)
{
angle = 0.f;
}
else
{
angle = j*angle_inc;
}
nangle = angle;
x1 = cos(angle * DEG_TO_RAD);
y1 = sin(angle * DEG_TO_RAD);
LLVector2 tc;
// This isn't totally accurate. Should compute based on slope as well.
start_radius = r0 * (1.f + 1.2f*fabs(z - 0.66f*height)/height);
nvec.set( cos(nangle * DEG_TO_RAD)*start_radius*nvec_scale,
sin(nangle * DEG_TO_RAD)*start_radius*nvec_scale,
z*nvec_scalez);
// First and last slice at 0 radius (to bring in top/bottom of structure)
radius = start_radius + turbulence3((F32*)&nvec.mV, (F32)fractal_depth)*noise_scale;
if (slices - 1 == j)
{
// Not 0.5 for slight slop factor to avoid edges on leaves
tc = LLVector2(0.490f, (1.f - z/2.f)*tex_z_repeat);
}
else
{
tc = LLVector2((angle/360.f)*0.5f, (1.f - z/2.f)*tex_z_repeat);
}
*(vertices++) = LLVector3(x1*radius, y1*radius, z);
*(normals++) = LLVector3(x1, y1, 0.f);
*(tex_coords++) = tc;
vertex_count++;
}
}
for (i = 0; i < (slices - 1); i++)
{
for (j = 0; j < (slices - 1); j++)
{
S32 x1_offset = j+1;
if ((j+1) == slices)
{
x1_offset = 0;
}
// Generate the matching quads
*(indicesp) = j + (i*slices) + sLODVertexOffset[lod];
llassert(*(indicesp) < (U32)max_vertices);
indicesp++;
index_count++;
*(indicesp) = x1_offset + ((i+1)*slices) + sLODVertexOffset[lod];
llassert(*(indicesp) < (U32)max_vertices);
indicesp++;
index_count++;
*(indicesp) = j + ((i+1)*slices) + sLODVertexOffset[lod];
llassert(*(indicesp) < (U32)max_vertices);
indicesp++;
index_count++;
*(indicesp) = j + (i*slices) + sLODVertexOffset[lod];
llassert(*(indicesp) < (U32)max_vertices);
indicesp++;
index_count++;
*(indicesp) = x1_offset + (i*slices) + sLODVertexOffset[lod];
llassert(*(indicesp) < (U32)max_vertices);
indicesp++;
index_count++;
*(indicesp) = x1_offset + ((i+1)*slices) + sLODVertexOffset[lod];
llassert(*(indicesp) < (U32)max_vertices);
indicesp++;
index_count++;
}
}
slices /= 2;
}
mReferenceBuffer->setBuffer(0);
llassert(vertex_count == max_vertices);
llassert(index_count == max_indices);
}
if (gLLWindEnabled || gSavedSettings.getBOOL("RenderAnimateTrees"))
{
mDrawable->getFace(0)->mVertexBuffer = mReferenceBuffer;
}
else
{
//generate tree mesh
updateMesh();
}
return TRUE;
}
BOOL LLVOWater::updateGeometry(LLDrawable *drawable)
{
LLFastTimer ftm(LLFastTimer::FTM_UPDATE_WATER);
LLFace *face;
if (drawable->getNumFaces() < 1)
{
LLDrawPoolWater *poolp = (LLDrawPoolWater*) gPipeline.getPool(LLDrawPool::POOL_WATER);
drawable->addFace(poolp, NULL);
}
face = drawable->getFace(0);
// LLVector2 uvs[4];
// LLVector3 vtx[4];
LLStrider<LLVector3> verticesp, normalsp;
LLStrider<LLVector2> texCoordsp;
LLStrider<U16> indicesp;
U16 index_offset;
// A quad is 4 vertices and 6 indices (making 2 triangles)
static const unsigned int vertices_per_quad = 4;
static const unsigned int indices_per_quad = 6;
static const LLCachedControl<bool> render_transparent_water("RenderTransparentWater",false);
const S32 size = (render_transparent_water && !LLGLSLShader::sNoFixedFunction) ? 16 : 1;
const S32 num_quads = size * size;
face->setSize(vertices_per_quad * num_quads,
indices_per_quad * num_quads);
LLVertexBuffer* buff = face->getVertexBuffer();
if (!buff)
{
buff = new LLVertexBuffer(LLDrawPoolWater::VERTEX_DATA_MASK, GL_DYNAMIC_DRAW_ARB);
buff->allocateBuffer(face->getGeomCount(), face->getIndicesCount(), TRUE);
face->setIndicesIndex(0);
face->setGeomIndex(0);
face->setVertexBuffer(buff);
}
else
{
buff->resizeBuffer(face->getGeomCount(), face->getIndicesCount());
}
index_offset = face->getGeometry(verticesp,normalsp,texCoordsp, indicesp);
LLVector3 position_agent;
position_agent = getPositionAgent();
face->mCenterAgent = position_agent;
face->mCenterLocal = position_agent;
S32 x, y;
F32 step_x = getScale().mV[0] / size;
F32 step_y = getScale().mV[1] / size;
const LLVector3 up(0.f, step_y * 0.5f, 0.f);
const LLVector3 right(step_x * 0.5f, 0.f, 0.f);
const LLVector3 normal(0.f, 0.f, 1.f);
F32 size_inv = 1.f / size;
for (y = 0; y < size; y++)
{
for (x = 0; x < size; x++)
{
S32 toffset = index_offset + 4*(y*size + x);
position_agent = getPositionAgent() - getScale() * 0.5f;
position_agent.mV[VX] += (x + 0.5f) * step_x;
position_agent.mV[VY] += (y + 0.5f) * step_y;
*verticesp++ = position_agent - right + up;
*verticesp++ = position_agent - right - up;
*verticesp++ = position_agent + right + up;
*verticesp++ = position_agent + right - up;
*texCoordsp++ = LLVector2(x*size_inv, (y+1)*size_inv);
*texCoordsp++ = LLVector2(x*size_inv, y*size_inv);
*texCoordsp++ = LLVector2((x+1)*size_inv, (y+1)*size_inv);
*texCoordsp++ = LLVector2((x+1)*size_inv, y*size_inv);
*normalsp++ = normal;
*normalsp++ = normal;
*normalsp++ = normal;
*normalsp++ = normal;
*indicesp++ = toffset + 0;
*indicesp++ = toffset + 1;
*indicesp++ = toffset + 2;
*indicesp++ = toffset + 1;
*indicesp++ = toffset + 3;
*indicesp++ = toffset + 2;
}
}
buff->flush();
mDrawable->movePartition();
LLPipeline::sCompiles++;
return TRUE;
}
void LLVOTree::updateMesh()
{
LLMatrix4 matrix;
// Translate to tree base HACK - adjustment in Z plants tree underground
const LLVector3 &pos_agent = getPositionAgent();
//glTranslatef(pos_agent.mV[VX], pos_agent.mV[VY], pos_agent.mV[VZ] - 0.1f);
LLMatrix4 trans_mat;
trans_mat.setTranslation(pos_agent.mV[VX], pos_agent.mV[VY], pos_agent.mV[VZ] - 0.1f);
trans_mat *= matrix;
// Rotate to tree position and bend for current trunk/wind
// Note that trunk stiffness controls the amount of bend at the trunk as
// opposed to the crown of the tree
//
const F32 TRUNK_STIFF = 22.f;
LLQuaternion rot =
LLQuaternion(mTrunkBend.magVec()*TRUNK_STIFF*DEG_TO_RAD, LLVector4(mTrunkBend.mV[VX], mTrunkBend.mV[VY], 0)) *
LLQuaternion(90.f*DEG_TO_RAD, LLVector4(0,0,1)) *
getRotation();
LLMatrix4 rot_mat(rot);
rot_mat *= trans_mat;
F32 radius = getScale().magVec()*0.05f;
LLMatrix4 scale_mat;
scale_mat.mMatrix[0][0] =
scale_mat.mMatrix[1][1] =
scale_mat.mMatrix[2][2] = radius;
scale_mat *= rot_mat;
// const F32 THRESH_ANGLE_FOR_BILLBOARD = 15.f;
// const F32 BLEND_RANGE_FOR_BILLBOARD = 3.f;
F32 droop = mDroop + 25.f*(1.f - mTrunkBend.magVec());
S32 stop_depth = 0;
F32 alpha = 1.0;
U32 vert_count = 0;
U32 index_count = 0;
calcNumVerts(vert_count, index_count, mTrunkLOD, stop_depth, mDepth, mTrunkDepth, mBranches);
LLFace* facep = mDrawable->getFace(0);
facep->mVertexBuffer = new LLVertexBuffer(LLDrawPoolTree::VERTEX_DATA_MASK, GL_STATIC_DRAW_ARB);
facep->mVertexBuffer->allocateBuffer(vert_count, index_count, TRUE);
LLStrider<LLVector3> vertices;
LLStrider<LLVector3> normals;
LLStrider<LLVector2> tex_coords;
LLStrider<U16> indices;
U16 idx_offset = 0;
facep->mVertexBuffer->getVertexStrider(vertices);
facep->mVertexBuffer->getNormalStrider(normals);
facep->mVertexBuffer->getTexCoord0Strider(tex_coords);
facep->mVertexBuffer->getIndexStrider(indices);
genBranchPipeline(vertices, normals, tex_coords, indices, idx_offset, scale_mat, mTrunkLOD, stop_depth, mDepth, mTrunkDepth, 1.0, mTwist, droop, mBranches, alpha);
mReferenceBuffer->setBuffer(0);
facep->mVertexBuffer->setBuffer(0);
}
