New metal floor / Selective floor attribute stats

core/src/mindustry/world/blocks/environment/MetalFloor.java

@@ -0,0 +1,19 @@
+package mindustry.world.blocks.environment;
+
+import mindustry.world.meta.*;
+
+/** Class for quickly defining a floor with no water and no variants. Offers no new functionality. */
+public class MetalFloor extends Floor{
+
+    public MetalFloor(String name){
+        super(name);
+        variants = 0;
+        attributes.set(Attribute.water, -1);
+    }
+
+    public MetalFloor(String name, int variants){
+        super(name);
+        this.variants = variants;
+        attributes.set(Attribute.water, -1);
+    }
+}

core/src/mindustry/world/meta/StatValues.java

@@ -8,10 +8,12 @@ import arc.scene.ui.*;
 import arc.scene.ui.layout.*;
 import arc.struct.*;
 import arc.util.*;
+import mindustry.*;
 import mindustry.content.*;
 import mindustry.ctype.*;
 import mindustry.entities.bullet.*;
 import mindustry.gen.*;
+import mindustry.maps.*;
 import mindustry.type.*;
 import mindustry.ui.*;
 import mindustry.world.*;
@@ -117,6 +119,51 @@ public class StatValues{
         );
     }
 
+    public static StatValue floors(Attribute attr, boolean floating, float scale, boolean startZero){
+        return table -> table.table(c -> {
+            Runnable[] rebuild = {null};
+            Map[] lastMap = {null};
+
+            rebuild[0] = () -> {
+                c.clearChildren();
+                c.left();
+
+                if(state.isGame()){
+                    var blocks = Vars.content.blocks()
+                    .select(block -> block instanceof Floor f && indexer.isBlockPresent(block) && f.attributes.get(attr) != 0 && !(f.isLiquid && !floating))
+                    .<Floor>as().with(s -> s.sort(f -> f.attributes.get(attr)));
+
+                    if(blocks.any()){
+                        int i = 0;
+                        for(var block : blocks){
+
+                            floorEfficiency(block, block.attributes.get(attr) * scale, startZero).display(c);
+                            if(++i % 5 == 0){
+                                c.row();
+                            }
+                        }
+                    }else{
+                        c.add("@none.found");
+                    }
+                }else{
+                    c.add("@stat.showinmap");
+                }
+            };
+
+            rebuild[0].run();
+
+            //rebuild when map changes.
+            c.update(() -> {
+                Map current = state.isGame() ? state.map : null;
+
+                if(current != lastMap[0]){
+                    rebuild[0].run();
+                    lastMap[0] = current;
+                }
+            });
+        });
+    }
+
     public static StatValue blocks(Boolf<Block> pred){
         return blocks(content.blocks().select(pred));
     }

core/src/mindustry/world/meta/Stats.java

@@ -3,9 +3,7 @@ package mindustry.world.meta;
 import arc.struct.ObjectMap.*;
 import arc.struct.*;
 import arc.util.*;
-import mindustry.*;
 import mindustry.type.*;
-import mindustry.world.blocks.environment.*;
 
 /** Hold and organizes a list of block stats. */
 public class Stats{
@@ -68,11 +66,7 @@ public class Stats{
     }
 
     public void add(Stat stat, Attribute attr, boolean floating, float scale, boolean startZero){
-        for(var block : Vars.content.blocks()
-            .select(block -> block instanceof Floor f && f.attributes.get(attr) != 0 && !(f.isLiquid && !floating))
-            .<Floor>as().with(s -> s.sort(f -> f.attributes.get(attr)))){
-            add(stat, StatValues.floorEfficiency(block, block.attributes.get(attr) * scale, startZero));
-        }
+        add(stat, StatValues.floors(attr, floating, scale, startZero));
     }
 
     /** Adds a single string value with this stat. */