Crash fix / Input tweak

core/src/io/anuke/mindustry/editor/EditorTile.java

@@ -49,7 +49,7 @@ public class EditorTile extends Tile{
 
     @Override
     public void setBlock(Block type){
-        Block previous = block();
+        Block previous = wall == null ? Blocks.air : wall;
         if(previous == type) return;
         super.setBlock(type);
         op(TileOp.get(x, y, (byte)OpType.block.ordinal(), previous.id, type.id));

core/src/io/anuke/mindustry/input/MobileInput.java

@@ -401,6 +401,7 @@ public class MobileInput extends InputHandler implements GestureListener{
                     }
                     drawPlace(l.x, l.y, block, l.rotation, prevX - l.x, prevY - l.y, prevRotation);
 
+                    rotation = l.rotation;
                     prevX = l.x;
                     prevY = l.y;
                     prevRotation = l.rotation;