Remove ATC chatter, as previously discussed:

http://sourceforge.net/p/flightgear/mailman/message/32440533/
http://sourceforge.net/p/flightgear/mailman/message/32428167/

Nasal/atc-chatter/atc-chatter.nas

@@ -1,115 +0,0 @@
-#############################################################################
-#
-# Simple sequenced ATC background chatter function
-#
-# Written by Curtis Olson
-# Started 8 Jan 2006.
-#
-#############################################################################
-
-#############################################################################
-# Global shared variables
-#############################################################################
-
-var fg_root = nil;
-var chatter = "UK";
-var chatter_dir = "";
-
-var chatter_min_interval = 20.0;
-var chatter_max_interval = 40.0;
-var next_interval = nil;
-
-var chatter_index = 0;
-var chatter_size = 0;
-var chatter_list = 0;
-
-
-#############################################################################
-# Chatter is initialized only when actually enabled. See listener connected
-# to /sim/sound/chatter/enabled.
-#############################################################################
-
-var chatter_init = func {
-    # default values
-    fg_root = getprop("/sim/fg-root");
-    chatter_dir = sprintf("%s/ATC/Chatter/%s", fg_root, chatter);
-    chatter_list = directory( chatter_dir );
-    chatter_size = size(chatter_list);
-    # seed the random number generator (with time) so we don't start in
-    # same place in the sequence each run.
-    srand();
-    chatter_index = int( chatter_size * rand() );
-}
-
-
-#############################################################################
-# main update function to be called each frame
-#############################################################################
-
-var chatter_update = func {
-    if ( chatter_index >= chatter_size ) {
-        chatter_index = 0;
-    }
-
-    if ( substr(chatter_list[chatter_index],
-                size(chatter_list[chatter_index]) - 4) == ".wav" )
-    {	
-	var vol =getprop("/sim/sound/chatter/volume");
-	if(vol == nil){vol = 0.5;}
-        tmpl = { path : chatter_dir, file : chatter_list[chatter_index] , volume : vol};
-        if ( getprop("/sim/sound/chatter/enabled") ) {
-            # go through the motions, but only schedule the message to play
-            # if atc-chatter is enabled.
-            printlog("info", "update atc chatter ", chatter_list[chatter_index] );
-	    fgcommand("play-audio-sample", props.Node.new(tmpl) );
-        }
-    } else {
-        # skip non-wav file found in directory
-    }
-
-    chatter_index = chatter_index + 1;
-    nextChatter();
-}
-
-
-#############################################################################
-# Use the nasal timer to update every 10 seconds
-#############################################################################
-
-var nextChatter = func {
-    if (!getprop("/sim/sound/chatter/enabled"))
-    {
-      next_interval = nil;
-      return;
-    }
-
-    # schedule next message in next min-max interval seconds so we have a bit
-    # of a random pacing
-    next_interval = chatter_min_interval
-       + int(rand() * (chatter_max_interval - chatter_min_interval));
-
-    # printlog("info", "next chatter in ", next_interval, " seconds");
-
-    settimer(chatter_update, next_interval );
-}
-
-#############################################################################
-# Start chatter processing. Also connected to chatter/enabled property as a
-# listener.
-#############################################################################
-
-var startChatter = func {
-  if ( getprop("/sim/sound/chatter/enabled") ) {
-    if (fg_root == nil)
-      chatter_init();
-    if (next_interval == nil)
-      nextChatter();
-  }
-}
-
-# connect listener
-_setlistener("/sim/sound/chatter/enabled", startChatter);
-
-# start chatter immediately, if enable is already set.
-settimer(startChatter, 0);
-

Nasal/gui.nas

@@ -1381,11 +1381,6 @@ _setlistener("/sim/signals/fdm-initialized", func {
     do_welcome = 0;
 });
 
-# load ATC chatter module on demand
-setprop("/nasal/atc-chatter/enabled", getprop("/sim/sound/chatter/enabled"));
-_setlistener("/sim/sound/chatter/enabled", func {
-    setprop("/nasal/atc-chatter/enabled", getprop("/sim/sound/chatter/enabled"));
-});
 
 ##
 # overwrite custom shader settings when quality-level is set on startup

gui/dialogs/sound.xml

@@ -151,40 +151,6 @@
     <text>
       <row>3</row>
       <col>0</col>
-      <label>Chatter</label>
-      <halign>left</halign>
-	  <enable>
-        <property>/sim/sound/enabled</property>
-      </enable>
-    </text>
-
-    <checkbox>
-      <row>3</row>
-      <col>1</col>
-      <property>/sim/sound/chatter/enabled</property>
-      <binding>
-        <command>dialog-apply</command>
-      </binding>
-	  <enable>
-        <property>/sim/sound/enabled</property>
-      </enable>
-    </checkbox>
-
-    <slider>
-      <row>3</row>
-      <col>2</col>
-      <property>/sim/sound/chatter/volume</property>
-      <binding>
-        <command>dialog-apply</command>
-      </binding>
-	  <enable>
-        <property>/sim/sound/enabled</property>
-      </enable>
-    </slider>
-
-    <text>
-      <row>4</row>
-      <col>0</col>
       <label>Avionics</label>
       <halign>left</halign>
 	  <enable>
@@ -193,7 +159,7 @@
     </text>
 
     <checkbox>
-      <row>4</row>
+      <row>3</row>
       <col>1</col>
       <property>/sim/sound/avionics/enabled</property>
       <binding>
@@ -205,7 +171,7 @@
     </checkbox>
 
     <slider>
-      <row>4</row>
+      <row>3</row>
       <col>2</col>
       <property>/sim/sound/avionics/volume</property>
       <binding>
@@ -217,7 +183,7 @@
     </slider>
 
     <checkbox>
-      <row>4</row>
+      <row>3</row>
       <col>3</col>
       <property>/sim/sound/avionics/external-view</property>
       <binding>
@@ -229,7 +195,7 @@
     </checkbox>
 
     <text>
-      <row>5</row>
+      <row>4</row>
       <col>0</col>
       <label>ATC</label>
       <halign>left</halign>
@@ -239,7 +205,7 @@
     </text>
 
     <checkbox>
-      <row>5</row>
+      <row>4</row>
       <col>1</col>
       <property>/sim/sound/atc/enabled</property>
       <binding>
@@ -251,7 +217,7 @@
     </checkbox>
 
     <slider>
-      <row>5</row>
+      <row>4</row>
       <col>2</col>
       <property>/sim/sound/atc/volume</property>
       <binding>
@@ -263,7 +229,7 @@
     </slider>
 
     <checkbox>
-      <row>5</row>
+      <row>4</row>
       <col>3</col>
       <property>/sim/sound/atc/external-view</property>
       <binding>
@@ -275,7 +241,7 @@
     </checkbox>
 
     <text>
-      <row>6</row>
+      <row>5</row>
       <col>0</col>
       <label>AI/MP</label>
       <halign>left</halign>
@@ -285,7 +251,7 @@
     </text>
 
     <checkbox>
-      <row>6</row>
+      <row>5</row>
       <col>1</col>
       <property>/sim/sound/aimodels/enabled</property>
       <binding>
@@ -297,7 +263,7 @@
     </checkbox>
 
     <slider>
-      <row>6</row>
+      <row>5</row>
       <col>2</col>
       <property>/sim/sound/aimodels/volume</property>
       <binding>