diff options
Diffstat (limited to 'indra/newview/lldrawable.cpp')
-rw-r--r-- | indra/newview/lldrawable.cpp | 108 |
1 files changed, 47 insertions, 61 deletions
diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp index 119b8d24d0..dc0e256ebb 100644 --- a/indra/newview/lldrawable.cpp +++ b/indra/newview/lldrawable.cpp @@ -254,7 +254,7 @@ S32 LLDrawable::findReferences(LLDrawable *drawablep) return count; } -static LLFastTimer::DeclareTimer FTM_ALLOCATE_FACE("Allocate Face", true); +static LLFastTimer::DeclareTimer FTM_ALLOCATE_FACE("Allocate Face"); LLFace* LLDrawable::addFace(LLFacePool *poolp, LLViewerTexture *texturep) { @@ -492,97 +492,83 @@ F32 LLDrawable::updateXform(BOOL undamped) BOOL damped = !undamped; // Position - LLVector3 old_pos(mXform.getPosition()); - LLVector3 target_pos; - if (mXform.isRoot()) - { - // get root position in your agent's region - target_pos = mVObjp->getPositionAgent(); - } - else - { - // parent-relative position - target_pos = mVObjp->getPosition(); - } - + LLVector3 old_pos = mXform.getPosition(); + + // get agent position or parent-relative position as appropriate + // + LLVector3 target_pos = mXform.isRoot() ? mVObjp->getPositionAgent() : mVObjp->getPosition(); + // Rotation LLQuaternion old_rot(mXform.getRotation()); LLQuaternion target_rot = mVObjp->getRotation(); + //scaling LLVector3 target_scale = mVObjp->getScale(); LLVector3 old_scale = mCurrentScale; LLVector3 dest_scale = target_scale; - - // Damping - F32 dist_squared = 0.f; - F32 camdist2 = (mDistanceWRTCamera * mDistanceWRTCamera); + LLVector3 scale_vec = old_scale-target_scale; + + static const F32 dot_threshold = 1.0f - FLT_EPSILON; + + F32 dist_squared = dist_vec_squared(old_pos, target_pos); + bool translated = dist_squared > 0.0f; + bool rotated = !mVObjp->getAngularVelocity().isExactlyZero() || (dot(old_rot, target_rot) < dot_threshold); + bool scaled = (scale_vec * scale_vec) > MIN_INTERPOLATE_DISTANCE_SQUARED; + + // Damping if (damped && isVisible()) { - F32 lerp_amt = llclamp(LLCriticalDamp::getInterpolant(OBJECT_DAMPING_TIME_CONSTANT), 0.f, 1.f); + F32 lerp_amt = LLCriticalDamp::getInterpolant(InterpDeltaObjectDampingConstant); LLVector3 new_pos = lerp(old_pos, target_pos, lerp_amt); - dist_squared = dist_vec_squared(new_pos, target_pos); + dist_squared = dist_vec_squared(new_pos, old_pos); LLQuaternion new_rot = nlerp(lerp_amt, old_rot, target_rot); - // FIXME: This can be negative! It is be possible for some rots to 'cancel out' pos or size changes. - dist_squared += (1.f - dot(new_rot, target_rot)) * 10.f; + dist_squared += fabs(1.f - dot(new_rot, old_rot)) * 10.f; LLVector3 new_scale = lerp(old_scale, target_scale, lerp_amt); - dist_squared += dist_vec_squared(new_scale, target_scale); + dist_squared += dist_vec_squared(new_scale, old_scale); - if ((dist_squared >= MIN_INTERPOLATE_DISTANCE_SQUARED * camdist2) && - (dist_squared <= MAX_INTERPOLATE_DISTANCE_SQUARED)) + // If our lerp isn't moving too far, substitue the lerp'd pos for our target for this frame + // + if (dist_squared <= MAX_INTERPOLATE_DISTANCE_SQUARED) { // interpolate target_pos = new_pos; target_rot = new_rot; target_scale = new_scale; } - else if (mVObjp->getAngularVelocity().isExactlyZero()) + else { - // snap to final position (only if no target omega is applied) - dist_squared = 0.0f; - if (getVOVolume() && !isRoot()) - { //child prim snapping to some position, needs a rebuild - gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE); - } + llinfos << "skipping update due to overly large lerp" << llendl; } } - else - { - // The following fixes MAINT-1742 but breaks vehicles similar to MAINT-2275 - // dist_squared = dist_vec_squared(old_pos, target_pos); - // The following fixes MAINT-2247 but causes MAINT-2275 - //dist_squared += (1.f - dot(old_rot, target_rot)) * 10.f; - //dist_squared += dist_vec_squared(old_scale, target_scale); - } + if (translated || rotated || scaled) + { + if (scaled) + { + mCurrentScale = target_scale; + } - LLVector3 vec = mCurrentScale-target_scale; - - if (vec*vec > MIN_INTERPOLATE_DISTANCE_SQUARED) - { //scale change requires immediate rebuild - mCurrentScale = target_scale; - gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE); - } - else if (!isRoot() && - (!mVObjp->getAngularVelocity().isExactlyZero() || - dist_squared > 0.f)) - { //child prim moving relative to parent, tag as needing to be rendered atomically and rebuild dist_squared = 1.f; //keep this object on the move list - if (!isState(LLDrawable::ANIMATED_CHILD)) + + //child prim moving relative to parent, tag as needing to be rendered atomically + // + if (!isRoot() && !isState(LLDrawable::ANIMATED_CHILD)) { setState(LLDrawable::ANIMATED_CHILD); - gPipeline.markRebuild(this, LLDrawable::REBUILD_ALL, TRUE); - mVObjp->dirtySpatialGroup(); } + + // Mark any components that need to be rebuilt based on what change transpired + // + if (!rotated && !scaled) + gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE); + else + gPipeline.markRebuild(this, LLDrawable::REBUILD_ALL, TRUE); + + mVObjp->dirtySpatialGroup(); } - else if (!isRoot() - && ( dist_vec_squared(old_pos, target_pos) > 0.f - || (1.f - dot(old_rot, target_rot)) > 0.f)) - { // update child prims moved from LSL - gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE); - } else if (!getVOVolume() && !isAvatar()) { movePartition(); @@ -781,7 +767,7 @@ void LLDrawable::updateDistance(LLCamera& camera, bool force_update) } pos -= camera.getOrigin(); - mDistanceWRTCamera = llround(pos.magVec(), 0.01f); + mDistanceWRTCamera = 20.0f;//llround(pos.magVec(), 0.01f); mVObjp->updateLOD(); } } |