Add config options to disable various turtle actions

Mostly intended for those people who don't like .inspect() or
.getItemDetail(), but could allow modpacks to block equipping upgrades,
placing blocks, etc...

src/main/java/dan200/computercraft/ComputerCraft.java

@@ -7,6 +7,7 @@
 package dan200.computercraft;
 
 import com.google.common.base.CaseFormat;
+import com.google.common.base.Converter;
 import dan200.computercraft.api.filesystem.IMount;
 import dan200.computercraft.api.filesystem.IWritableMount;
 import dan200.computercraft.api.media.IMedia;
@@ -18,6 +19,7 @@ import dan200.computercraft.api.permissions.ITurtlePermissionProvider;
 import dan200.computercraft.api.pocket.IPocketUpgrade;
 import dan200.computercraft.api.redstone.IBundledRedstoneProvider;
 import dan200.computercraft.api.turtle.ITurtleUpgrade;
+import dan200.computercraft.api.turtle.event.TurtleAction;
 import dan200.computercraft.core.apis.AddressPredicate;
 import dan200.computercraft.core.filesystem.ComboMount;
 import dan200.computercraft.core.filesystem.FileMount;
@@ -81,10 +83,7 @@ import java.io.*;
 import java.net.MalformedURLException;
 import java.net.URISyntaxException;
 import java.net.URL;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
@@ -133,6 +132,7 @@ public class ComputerCraft
     public static int advancedTurtleFuelLimit = 100000;
     public static boolean turtlesObeyBlockProtection = true;
     public static boolean turtlesCanPush = true;
+    public static EnumSet<TurtleAction> turtleDisabledActions = EnumSet.noneOf( TurtleAction.class );
 
     public static final int terminalWidth_computer = 51;
     public static final int terminalHeight_computer = 19;
@@ -212,6 +212,7 @@ public class ComputerCraft
         public static Property advancedTurtleFuelLimit;
         public static Property turtlesObeyBlockProtection;
         public static Property turtlesCanPush;
+        public static Property turtleDisabledActions;
 
         public static Property modem_range;
         public static Property modem_highAltitudeRange;
@@ -341,6 +342,9 @@ public class ComputerCraft
         Config.turtlesCanPush = Config.config.get( Configuration.CATEGORY_GENERAL, "turtlesCanPush", turtlesCanPush );
         Config.turtlesCanPush.setComment( "If set to true, Turtles will push entities out of the way instead of stopping if there is space to do so" );
 
+        Config.turtleDisabledActions = Config.config.get( Configuration.CATEGORY_GENERAL, "turtle_disabled_actions", new String[ 0 ] );
+        Config.turtleDisabledActions.setComment( "A list of turtle actions which are disabled." );
+
         Config.maxNotesPerTick = Config.config.get( Configuration.CATEGORY_GENERAL, "maxNotesPerTick", maxNotesPerTick );
         Config.maxNotesPerTick.setComment( "Maximum amount of notes a speaker can play at once" );
 
@@ -385,6 +389,20 @@ public class ComputerCraft
         turtlesObeyBlockProtection = Config.turtlesObeyBlockProtection.getBoolean();
         turtlesCanPush = Config.turtlesCanPush.getBoolean();
 
+        turtleDisabledActions.clear();
+        Converter<String, String> converter = CaseFormat.LOWER_CAMEL.converterTo( CaseFormat.UPPER_UNDERSCORE );
+        for( String value : Config.turtleDisabledActions.getStringList() )
+        {
+            try
+            {
+                turtleDisabledActions.add( TurtleAction.valueOf( converter.convert( value ) ) );
+            }
+            catch( IllegalArgumentException e )
+            {
+                ComputerCraft.log.error( "Unknown turtle action " + value );
+            }
+        }
+
         maxNotesPerTick = Math.max(1, Config.maxNotesPerTick.getInt());
 
         Config.config.save();

src/main/java/dan200/computercraft/shared/proxy/CCTurtleProxyCommon.java

@@ -8,6 +8,7 @@ package dan200.computercraft.shared.proxy;
 
 import dan200.computercraft.ComputerCraft;
 import dan200.computercraft.api.turtle.ITurtleUpgrade;
+import dan200.computercraft.api.turtle.event.TurtleActionEvent;
 import dan200.computercraft.shared.computer.core.ComputerFamily;
 import dan200.computercraft.shared.turtle.blocks.BlockTurtle;
 import dan200.computercraft.shared.turtle.blocks.TileTurtle;
@@ -465,6 +466,14 @@ public abstract class CCTurtleProxyCommon implements ICCTurtleProxy
         {
             dispatchEntityDrops( event.getEntity(), event.getDrops() );
         }
+        
+        @SubscribeEvent
+        public void onTurtleAction( TurtleActionEvent event) {
+            if( ComputerCraft.turtleDisabledActions.contains( event.getAction() ) )
+            {
+                event.setCanceled( true, "Action has been disabled" );
+            }
+        }
     }
     
     private void dispatchEntityDrops( Entity entity, java.util.List<EntityItem> drops )

src/main/resources/assets/computercraft/lang/en_us.lang

@@ -60,5 +60,6 @@ gui.computercraft:config.turtle_fuel_limit=Turtle fuel limit
 gui.computercraft:config.advanced_turtle_fuel_limit=Advanced Turtle fuel limit
 gui.computercraft:config.turtles_obey_block_protection=Turtles obey block protection
 gui.computercraft:config.turtles_can_push=Turtles can push entities
+gui.computercraft:config.turtle_disabled_actions=Disabled turtle actions
 gui.computercraft:config.maximum_files_open=Maximum files open per computer
 gui.computercraft:config.max_notes_per_tick=Maximum notes that a computer can play at once