3 files changed, 40 insertions, 29 deletions

diff --git a/indra/newview/llfloatereditextdaycycle.cpp b/indra/newview/llfloatereditextdaycycle.cpp
index f01159f07c..1d209fe230 100644
--- a/indra/newview/llfloatereditextdaycycle.cpp
+++ b/indra/newview/llfloatereditextdaycycle.cpp
@@ -1102,13 +1102,6 @@ void LLFloaterEditExtDayCycle::onAssetLoaded(LLUUID asset_id, LLSettingsBase::pt
     }
     mExpectingAssetId.setNull();
 
-    if ((mInventoryItem && mInventoryItem->getAssetUUID() != asset_id)
-        || (!mInventoryItem && LLSettingsDay::GetDefaultAssetId() != asset_id))
-    {
-        LL_WARNS("ENVDAYEDIT") << "Discarding obsolete asset callback" << LL_ENDL;
-        return;
-    }
-
     if (!settings || status)
     {
         LLSD args;
@@ -1537,6 +1530,16 @@ void LLFloaterEditExtDayCycle::onAssetLoadedForFrame(LLUUID asset_id, LLSettings
 {
     std::function<void()> cb = [this, settings, frame, track]()
     {
+        if ((mEditDay->getSettingsNearKeyframe(frame, mCurrentTrack, LLSettingsDay::DEFAULT_FRAME_SLOP_FACTOR)).second)
+        {
+            LL_WARNS("ENVDAYEDIT") << "Attempt to add new frame too close to existing frame." << LL_ENDL;
+            return;
+        }
+        if (!mFramesSlider->canAddSliders())
+        {
+            LL_WARNS("ENVDAYEDIT") << "Attempt to add new frame when slider is full." << LL_ENDL;
+            return;
+        }
         mEditDay->setSettingsAtKeyframe(settings, frame, track);
         reblendSettings();
         synchronizeTabs();
@@ -1556,30 +1559,26 @@ void LLFloaterEditExtDayCycle::onAssetLoadedForFrame(LLUUID asset_id, LLSettings
         inv_item = picker->findItem(asset_id, false, false);
     }
 
-    if (inv_item)
+    if (inv_item
+        && mInventoryItem
+        && mInventoryItem->getPermissions().allowOperationBy(PERM_TRANSFER, gAgent.getID())
+        && !inv_item->getPermissions().allowOperationBy(PERM_TRANSFER, gAgent.getID()))
     {
-        if (mInventoryItem->getPermissions().allowOperationBy(PERM_TRANSFER, gAgent.getID()))
+        LLSD args;
+
+        // create and show confirmation textbox
+        LLNotificationsUtil::add("SettingsMakeNoTrans", args, LLSD(),
+            [this, cb](const LLSD&notif, const LLSD&resp)
         {
-            if (!inv_item->getPermissions().allowOperationBy(PERM_TRANSFER, gAgent.getID()))
+            S32 opt = LLNotificationsUtil::getSelectedOption(notif, resp);
+            if (opt == 0)
             {
-                LLSD args;
-
-                // create and show confirmation textbox
-                LLNotificationsUtil::add("SettingsMakeNoTrans", args, LLSD(),
-                    [this, cb](const LLSD&notif, const LLSD&resp)
-                    {
-                        S32 opt = LLNotificationsUtil::getSelectedOption(notif, resp);
-                        if (opt == 0)
-                        {
-                            mMakeNoTrans = true;
-                            mEditDay->setFlag(LLSettingsBase::FLAG_NOTRANS);
-                            cb();
-                        }
-                    });
-                return;
+                mMakeNoTrans = true;
+                mEditDay->setFlag(LLSettingsBase::FLAG_NOTRANS);
+                cb();
             }
-        }
-
+        });
+        return;
     }
     
     cb();
diff --git a/indra/newview/lllegacyatmospherics.cpp b/indra/newview/lllegacyatmospherics.cpp
index 04623c4452..0c4e5b48e8 100644
--- a/indra/newview/lllegacyatmospherics.cpp
+++ b/indra/newview/lllegacyatmospherics.cpp
@@ -333,8 +333,17 @@ void LLAtmospherics::calcSkyColorWLVert(LLVector3 & Pn, AtmosphericsVars& vars)
 		// temp2.x is 0 at the sun and increases away from sun
 	temp2.mV[0] = llmax(temp2.mV[0], .001f);	
 		// Set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot)
-	temp2.mV[0] *= glow.mV[0];
+
+	if (glow.mV[0] > 0) // don't pow(zero,negative value), glow from 0 to 2
+	{
 		// Higher glow.x gives dimmer glow (because next step is 1 / "angle")
+		temp2.mV[0] *= glow.mV[0];
+	}
+	else
+	{
+		temp2.mV[0] = F32_MIN;
+	}
+
 	temp2.mV[0] = pow(temp2.mV[0], glow.mV[2]);
 		// glow.z should be negative, so we're doing a sort of (1 / "angle") function
 
diff --git a/indra/newview/llpanelenvironment.cpp b/indra/newview/llpanelenvironment.cpp
index ecd67ff8af..4ab09e7118 100644
--- a/indra/newview/llpanelenvironment.cpp
+++ b/indra/newview/llpanelenvironment.cpp
@@ -170,7 +170,7 @@ void LLPanelEnvironmentInfo::onVisibilityChange(BOOL new_visibility)
         }
 
         gIdleCallbacks.deleteFunction(onIdlePlay, this);
-        LLFloaterEditExtDayCycle *dayeditor = getEditFloater();
+        LLFloaterEditExtDayCycle *dayeditor = getEditFloater(false);
         if (mCommitConnection.connected())
             mCommitConnection.disconnect();
 
@@ -179,7 +179,10 @@ void LLPanelEnvironmentInfo::onVisibilityChange(BOOL new_visibility)
             if (dayeditor->isDirty())
                 dayeditor->refresh();
             else
+            {
                 dayeditor->closeFloater();
+                mEditFloater.markDead();
+            }
         }
     }