VWR-7054 FIXED Flycam movement in build mode is reduced.

Removed hard coded scaling of movements when in build mode, made it a debug setting defaulted to 1 to disable it.

indra/newview/app_settings/settings.xml

@@ -3309,6 +3309,17 @@
       <key>Value</key>
       <real>1.0</real>
     </map>
+    <key>FlycamBuildModeScale</key>
+    <map>
+      <key>Comment</key>
+      <string>Scale factor to apply to flycam movements when in build mode.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>F32</string>
+      <key>Value</key>
+      <real>1.0</real>
+    </map>
     <key>FlycamFeathering</key>
     <map>
       <key>Comment</key>

indra/newview/llviewerjoystick.cpp

@@ -57,9 +57,6 @@
 #define RY_I	5
 #define RZ_I	3
 
-// flycam translations in build mode should be reduced
-const F32 BUILDMODE_FLYCAM_T_SCALE = 3.f;
-
 // minimum time after setting away state before coming back
 const F32 MIN_AFK_TIME = 2.f;
 
@@ -924,14 +921,15 @@ void LLViewerJoystick::moveFlycam(bool reset)
 			cur_delta[i] = llmin(cur_delta[i]+dead_zone[i], 0.f);
 		}
 
-		// we need smaller camera movements in build mode
+		// We may want to scale camera movements up or down in build mode.
 		// NOTE: this needs to remain after the deadzone calculation, otherwise
 		// we have issues with flycam "jumping" when the build dialog is opened/closed  -Nyx
 		if (in_build_mode)
 		{
 			if (i == X_I || i == Y_I || i == Z_I)
 			{
-				cur_delta[i] /= BUILDMODE_FLYCAM_T_SCALE;
+				static LLCachedControl<F32> build_mode_scale(gSavedSettings,"FlycamBuildModeScale");
+				cur_delta[i] *= build_mode_scale;
 			}
 		}