From 1f9b8f59afceeb8201780b679659f64845dcd7c1 Mon Sep 17 00:00:00 2001
From: Rider Linden <rider@lindenlab.com>
Date: Tue, 19 Jun 2018 16:46:12 -0700
Subject: Don't recalculate lighting every frame. Fix altitude transitions. On
 track switch ignore time threshold on blender.

---
 indra/llinventory/llsettingsbase.cpp | 4 +++-
 indra/llinventory/llsettingsbase.h   | 7 ++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

(limited to 'indra/llinventory')

diff --git a/indra/llinventory/llsettingsbase.cpp b/indra/llinventory/llsettingsbase.cpp
index 24e808c92a..db30a25a4c 100644
--- a/indra/llinventory/llsettingsbase.cpp
+++ b/indra/llinventory/llsettingsbase.cpp
@@ -610,10 +610,12 @@ void LLSettingsBlenderTimeDelta::applyTimeDelta(const LLSettingsBase::Seconds& t
 
     if (mTimeSpent > mBlendSpan)
     {
+        mIgnoreTimeDelta = false;
         triggerComplete();
         return;
     }
-    if (mTimeDeltaPassed < mTimeDeltaThreshold)
+
+    if ((mTimeDeltaPassed < mTimeDeltaThreshold) && (!mIgnoreTimeDelta))
     {
         return;
     }
diff --git a/indra/llinventory/llsettingsbase.h b/indra/llinventory/llsettingsbase.h
index f2fa78e41f..81158d64a7 100644
--- a/indra/llinventory/llsettingsbase.h
+++ b/indra/llinventory/llsettingsbase.h
@@ -387,7 +387,8 @@ public:
         mLastUpdate(0.0f),
         mTimeSpent(0.0f),
         mTimeDeltaThreshold(0.0f),
-        mTimeDeltaPassed(0.0f)
+        mTimeDeltaPassed(0.0f),
+        mIgnoreTimeDelta(false)
     {
         mTimeStart = LLSettingsBase::Seconds(LLDate::now().secondsSinceEpoch());
         mLastUpdate = mTimeStart;
@@ -421,6 +422,9 @@ public:
         return mTimeDeltaThreshold;
     }
 
+    inline void setIgnoreTimeDeltaThreshold(bool val) { mIgnoreTimeDelta = val; }
+    inline bool getIgnoreTimeDeltaThreshold() const { return mIgnoreTimeDelta; }
+
 protected:
     LLSettingsBase::BlendFactor calculateBlend(const LLSettingsBase::TrackPosition& spanpos, const LLSettingsBase::TrackPosition& spanlen) const;
 
@@ -430,6 +434,7 @@ protected:
     LLSettingsBase::Seconds mTimeStart;
     LLSettingsBase::Seconds mTimeDeltaThreshold;
     LLSettingsBase::Seconds mTimeDeltaPassed;
+    bool                    mIgnoreTimeDelta;
 };
 
 
-- 
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