Improved hover block system

core/assets/bundles/bundle.properties

@@ -497,6 +497,7 @@ text.mech.ability = [LIGHT_GRAY]Ability\: {0}
 text.liquid.heatcapacity = [LIGHT_GRAY]Heat Capacity\: {0}
 text.liquid.viscosity = [LIGHT_GRAY]Viscosity\: {0}
 text.liquid.temperature = [LIGHT_GRAY]Temperature\: {0}
+block.constructing = {0}\n[LIGHT_GRAY](Constructing)
 block.spawn.name = Enemy Spawn
 block.core.name = Core
 block.metalfloor.name = Metal Floor

core/src/io/anuke/mindustry/core/Logic.java

@@ -34,7 +34,6 @@ import static io.anuke.mindustry.Vars.*;
  * This class should <i>not</i> call any outside methods to change state of modules, but instead fire events.
  */
 public class Logic extends Module{
-    public boolean doUpdate = true;
 
     public Logic(){
         Events.on(TileChangeEvent.class, event -> {

core/src/io/anuke/mindustry/ui/SelectionTable.java

@@ -1,7 +1,6 @@
 package io.anuke.mindustry.ui;
 
 import com.badlogic.gdx.graphics.g2d.TextureRegion;
-import io.anuke.mindustry.content.blocks.Blocks;
 import io.anuke.mindustry.world.Block;
 import io.anuke.mindustry.world.Tile;
 import io.anuke.mindustry.world.blocks.OreBlock;
@@ -15,12 +14,12 @@ import io.anuke.ucore.util.Mathf;
 import static io.anuke.mindustry.Vars.world;
 
 public class SelectionTable extends Table{
-    Block selected = Blocks.air;
+    Tile lastTile;
 
     public SelectionTable(){
         super("clear");
 
-        margin(4f);
+        margin(5f);
 
         update(() -> {
             Block result;
@@ -32,16 +31,20 @@ public class SelectionTable extends Table{
                 result = null;
             }
 
-            if(result != null) selected = result;
+            if(result != null){
+                lastTile = tile;
+            }
 
             getTranslation().y = Mathf.lerp(getTranslation().y, result == null ? -getHeight() : 0f, 0.2f);
         });
 
         Image image = new Image(new TextureRegionDrawable(new TextureRegion(Draw.region("clear"))));
-        image.update(() -> ((TextureRegionDrawable)image.getDrawable()).setRegion(selected.getEditorIcon()));
+        image.update(() ->
+            ((TextureRegionDrawable)image.getDrawable()).setRegion(lastTile == null ? Draw.getBlankRegion() :
+            lastTile.block().getDisplayIcon(lastTile)));
 
-        add(image).size(16*2);
-        label(() -> selected instanceof OreBlock ? selected.drops.item.localizedName() : selected.formalName).pad(4);
+        add(image).size(16*2).padRight(4);
+        label(() -> lastTile == null ? "" : lastTile.block().getDisplayName(lastTile));
 
         pack();
         getTranslation().y = - getHeight();

core/src/io/anuke/mindustry/world/Block.java

@@ -452,6 +452,14 @@ public class Block extends BaseBlock {
         }
     }
 
+    public String getDisplayName(Tile tile){
+        return formalName;
+    }
+
+    public TextureRegion getDisplayIcon(Tile tile){
+        return getEditorIcon();
+    }
+
     public TextureRegion getEditorIcon(){
         if(editorIcon == null){
             editorIcon = Draw.region("block-icon-" + name, Draw.region("clear"));

core/src/io/anuke/mindustry/world/blocks/BuildBlock.java

@@ -16,6 +16,7 @@ import io.anuke.mindustry.graphics.Layer;
 import io.anuke.mindustry.graphics.Palette;
 import io.anuke.mindustry.graphics.Shaders;
 import io.anuke.mindustry.input.CursorType;
+import io.anuke.mindustry.type.ContentType;
 import io.anuke.mindustry.type.ItemStack;
 import io.anuke.mindustry.type.Recipe;
 import io.anuke.mindustry.world.BarType;
@@ -26,6 +27,7 @@ import io.anuke.mindustry.world.modules.ItemModule;
 import io.anuke.ucore.core.Effects;
 import io.anuke.ucore.core.Graphics;
 import io.anuke.ucore.graphics.Draw;
+import io.anuke.ucore.util.Bundles;
 import io.anuke.ucore.util.Mathf;
 
 import java.io.DataInput;
@@ -68,6 +70,18 @@ public class BuildBlock extends Block{
         }
     }
 
+    @Override
+    public String getDisplayName(Tile tile){
+        BuildEntity entity = tile.entity();
+        return Bundles.format("block.constructing", entity.recipe == null ? entity.previous.formalName : entity.recipe.result.formalName);
+    }
+
+    @Override
+    public TextureRegion getDisplayIcon(Tile tile){
+        BuildEntity entity = tile.entity();
+        return (entity.recipe == null ? entity.previous : entity.recipe.result).getEditorIcon();
+    }
+
     @Override
     public boolean isSolidFor(Tile tile){
         BuildEntity entity = tile.entity();

core/src/io/anuke/mindustry/world/blocks/OreBlock.java

@@ -24,6 +24,11 @@ public class OreBlock extends Floor{
         this.edge = base.name;
     }
 
+    @Override
+    public String getDisplayName(Tile tile){
+        return drops.item.localizedName();
+    }
+
     @Override
     public TextureRegion getEditorIcon(){
         if(editorIcon == null){