Mobile bugfixes

core/src/io/anuke/mindustry/entities/type/Player.java

@@ -797,7 +797,7 @@ public class Player extends Unit implements BuilderMinerTrait, ShooterTrait{
         textFadeTime = 0f;
         target = null;
         moveTarget = null;
-        isShooting = isBoosting = isBuilding = isTransferring = isTyping = false;
+        isShooting = isBoosting = isTransferring = isTyping = false;
         spawner = lastSpawner = null;
         health = maxHealth();
         mining = null;

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

@@ -337,7 +337,7 @@ public class MobileInput extends InputHandler implements GestureListener{
         if(request.breaking){
             drawSelected(request.x, request.y, request.tile().block(), Pal.remove);
         }else{
-            drawRequest(request.x, request.y, request.block, request.rotation);
+            request.block.drawRequest(request, allRequests(), validPlace(request.x, request.y, request.block, request.rotation));
             drawSelected(request.x, request.y, request.block, Pal.accent);
         }
     }

core/src/io/anuke/mindustry/ui/dialogs/TechTreeDialog.java

@@ -109,6 +109,7 @@ public class TechTreeDialog extends FloatingDialog{
         copyInfo(node);
 
         for(TechTreeNode n : nodes){
+            if(!n.visible) continue;
             minx = Math.min(n.x - n.width/2f, minx);
             maxx = Math.max(n.x + n.width/2f, maxx);
             miny = Math.min(n.y - n.height/2f, miny);