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;
}
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;
}
U32 LLVOTree::processUpdateMessage(LLMessageSystem *mesgsys,
void **user_data,
U32 block_num, EObjectUpdateType update_type,
LLDataPacker *dp)
{
// Do base class updates...
U32 retval = LLViewerObject::processUpdateMessage(mesgsys, user_data, block_num, update_type, dp);
if ( (getVelocity().lengthSquared() > 0.f)
||(getAcceleration().lengthSquared() > 0.f)
||(getAngularVelocity().lengthSquared() > 0.f))
{
llinfos << "ACK! Moving tree!" << llendl;
setVelocity(LLVector3::zero);
setAcceleration(LLVector3::zero);
setAngularVelocity(LLVector3::zero);
}
if (update_type == OUT_TERSE_IMPROVED)
{
// Nothing else needs to be done for the terse message.
return retval;
}
//
// Load Instance-Specific data
//
if (mData)
{
mSpecies = ((U8 *)mData)[0];
}
if (!sSpeciesTable.count(mSpecies))
{
if (sSpeciesTable.size())
{
SpeciesMap::const_iterator it = sSpeciesTable.begin();
mSpecies = (*it).first;
}
}
//
// Load Species-Specific data
//
mTreeImagep = gImageList.getImage(sSpeciesTable[mSpecies]->mTextureID);
if (mTreeImagep)
{
gGL.getTexUnit(0)->bind(mTreeImagep.get());
}
mBranchLength = sSpeciesTable[mSpecies]->mBranchLength;
mTrunkLength = sSpeciesTable[mSpecies]->mTrunkLength;
mLeafScale = sSpeciesTable[mSpecies]->mLeafScale;
mDroop = sSpeciesTable[mSpecies]->mDroop;
mTwist = sSpeciesTable[mSpecies]->mTwist;
mBranches = sSpeciesTable[mSpecies]->mBranches;
mDepth = sSpeciesTable[mSpecies]->mDepth;
mScaleStep = sSpeciesTable[mSpecies]->mScaleStep;
mTrunkDepth = sSpeciesTable[mSpecies]->mTrunkDepth;
mBillboardScale = sSpeciesTable[mSpecies]->mBillboardScale;
mBillboardRatio = sSpeciesTable[mSpecies]->mBillboardRatio;
mTrunkAspect = sSpeciesTable[mSpecies]->mTrunkAspect;
mBranchAspect = sSpeciesTable[mSpecies]->mBranchAspect;
// position change not caused by us, etc. make sure to rebuild.
gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_ALL);
return retval;
}
U32 LLVOTree::processUpdateMessage(LLMessageSystem *mesgsys,
void **user_data,
U32 block_num, EObjectUpdateType update_type,
LLDataPacker *dp)
{
// Do base class updates...
U32 retval = LLViewerObject::processUpdateMessage(mesgsys, user_data, block_num, update_type, dp);
if ( (getVelocity().lengthSquared() > 0.f)
||(getAcceleration().lengthSquared() > 0.f)
||(getAngularVelocity().lengthSquared() > 0.f))
{
llinfos << "ACK! Moving tree!" << llendl;
setVelocity(LLVector3::zero);
setAcceleration(LLVector3::zero);
setAngularVelocity(LLVector3::zero);
}
if (update_type == OUT_TERSE_IMPROVED)
{
// Nothing else needs to be done for the terse message.
return retval;
}
//
// Load Instance-Specific data
//
if (mData)
{
mSpecies = ((U8 *)mData)[0];
}
if (!sSpeciesTable.count(mSpecies))
{
if (sSpeciesTable.size())
{
SpeciesMap::const_iterator it = sSpeciesTable.begin();
mSpecies = (*it).first;
}
}
//
// Load Species-Specific data
//
static const S32 MAX_TREE_TEXTURE_VIRTURE_SIZE_RESET_INTERVAL = 32 ; //frames.
mTreeImagep = LLViewerTextureManager::getFetchedTexture(sSpeciesTable[mSpecies]->mTextureID, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
mTreeImagep->setMaxVirtualSizeResetInterval(MAX_TREE_TEXTURE_VIRTURE_SIZE_RESET_INTERVAL); //allow to wait for at most 16 frames to reset virtual size.
mBranchLength = sSpeciesTable[mSpecies]->mBranchLength;
mTrunkLength = sSpeciesTable[mSpecies]->mTrunkLength;
mLeafScale = sSpeciesTable[mSpecies]->mLeafScale;
mDroop = sSpeciesTable[mSpecies]->mDroop;
mTwist = sSpeciesTable[mSpecies]->mTwist;
mBranches = sSpeciesTable[mSpecies]->mBranches;
mDepth = sSpeciesTable[mSpecies]->mDepth;
mScaleStep = sSpeciesTable[mSpecies]->mScaleStep;
mTrunkDepth = sSpeciesTable[mSpecies]->mTrunkDepth;
mBillboardScale = sSpeciesTable[mSpecies]->mBillboardScale;
mBillboardRatio = sSpeciesTable[mSpecies]->mBillboardRatio;
mTrunkAspect = sSpeciesTable[mSpecies]->mTrunkAspect;
mBranchAspect = sSpeciesTable[mSpecies]->mBranchAspect;
// position change not caused by us, etc. make sure to rebuild.
gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_ALL);
return retval;
}
