Added inverted sorter

core/src/io/anuke/mindustry/content/Blocks.java

@@ -58,7 +58,7 @@ public class Blocks implements ContentList{
     phaseWall, phaseWallLarge, surgeWall, surgeWallLarge, mender, mendProjector, overdriveProjector, forceProjector, shockMine,
 
     //transport
-    conveyor, titaniumConveyor, armoredConveyor, distributor, junction, itemBridge, phaseConveyor, sorter, router, overflowGate, massDriver,
+    conveyor, titaniumConveyor, armoredConveyor, distributor, junction, itemBridge, phaseConveyor, sorter, invertedSorter, router, overflowGate, massDriver,
 
     //liquids
     mechanicalPump, rotaryPump, thermalPump, conduit, pulseConduit, liquidRouter, liquidTank, liquidJunction, bridgeConduit, phaseConduit,
@@ -935,7 +935,11 @@ public class Blocks implements ContentList{
 
         sorter = new Sorter("sorter"){{
             requirements(Category.distribution, ItemStack.with(Items.lead, 2, Items.copper, 2));
+        }};
 
+        invertedSorter = new Sorter("inverted-sorter"){{
+            requirements(Category.distribution, ItemStack.with(Items.lead, 2, Items.copper, 2));
+            invert = true;
         }};
 
         router = new Router("router"){{

core/src/io/anuke/mindustry/content/TechTree.java

@@ -31,6 +31,7 @@ public class TechTree implements ContentList{
 
                         node(distributor);
                         node(sorter, () -> {
+                            node(invertedSorter);
                             node(message);
                             node(overflowGate);
                         });

core/src/io/anuke/mindustry/world/blocks/distribution/Sorter.java

@@ -17,6 +17,7 @@ import static io.anuke.mindustry.Vars.content;
 
 public class Sorter extends Block{
     private static Item lastItem;
+    protected boolean invert;
 
     public Sorter(String name){
         super(name);
@@ -40,16 +41,6 @@ public class Sorter extends Block{
         }
     }
 
-    /*
-    @Remote(targets = Loc.both, called = Loc.both, forward = true)
-    public static void setSorterItem(Player player, Tile tile, Item item){
-        if(!Units.canInteract(player, tile)) return;
-        SorterEntity entity = tile.entity();
-        if(entity != null){
-            entity.sortItem = item;
-        }
-    }*/
-
     @Override
     public void configured(Tile tile, Player player, int value){
         tile.<SorterEntity>entity().sortItem = content.item(value);
@@ -92,7 +83,7 @@ public class Sorter extends Block{
         if(dir == -1) return null;
         Tile to;
 
-        if(item == entity.sortItem){
+        if((item == entity.sortItem) != invert){
             //prevent 3-chains
             if(isSame(dest, source) && isSame(dest, dest.getNearby(dir))){
                 return null;
@@ -115,12 +106,10 @@ public class Sorter extends Block{
             }else{
                 if(dest.rotation() == 0){
                     to = a;
-                    if(flip)
-                        dest.rotation((byte)1);
+                    if(flip) dest.rotation((byte)1);
                 }else{
                     to = b;
-                    if(flip)
-                        dest.rotation((byte)0);
+                    if(flip) dest.rotation((byte)0);
                 }
             }
         }