Make indoor shadows disableable.

components/sceneutil/shadow.cpp

@@ -123,10 +123,15 @@ namespace SceneUtil
     }
     void ShadowManager::enableIndoorMode()
     {
-        mShadowSettings->setCastsShadowTraversalMask(mIndoorShadowCastingMask);
+        if (Settings::Manager::getBool("enable indoor shadows", "Shadows"))
+            mShadowSettings->setCastsShadowTraversalMask(mIndoorShadowCastingMask);
+        else
+            mShadowTechnique->disableShadows();
     }
     void ShadowManager::enableOutdoorMode()
     {
+        if (mEnableShadows)
+            mShadowTechnique->enableShadows();
         mShadowSettings->setCastsShadowTraversalMask(mOutdoorShadowCastingMask);
     }
 }

docs/source/reference/modding/settings/shadows.rst

@@ -121,7 +121,16 @@ object shadows
 Allow static objects to cast shadows.
 Potentially decreases performance.
 
+enable indoor shadows
+---------------------
+
+:Type:		boolean
+:Range:		True/False
+:Default:	False
 
+Allow shadows indoors.
+Due to limitations with Morrowind's data, only actors can cast shadows indoors without the ceiling casting a shadow everywhere.
+Some might feel this is distracting as shadows can be cast through other objects, so indoor shadows can be disabled completely.
 
 Expert settings
 ***************

files/settings-default.cfg

@@ -549,3 +549,5 @@ player shadows = false
 terrain shadows = false
 # Allow world objects to cast shadows. Potentially decreases performance.
 object shadows = false
+# Allow shadows indoors. Due to limitations with Morrowind's data, only actors can cast shadows indoors, which some might feel is distracting.
+enable indoor shadows = true