Fixed infinite fire / Command center logic control

core/src/mindustry/world/Block.java

@@ -451,6 +451,10 @@ public class Block extends UnlockableContent{
 
     }
 
+    public boolean configSenseable(){
+        return configurations.containsKey(Item.class) || configurations.containsKey(Liquid.class);
+    }
+
     public Object nextConfig(){
         if(saveConfig && lastConfig != null){
             return lastConfig;

core/src/mindustry/world/Tile.java

@@ -119,11 +119,11 @@ public class Tile implements Position, QuadTreeObject, Displayable{
             float result = 0f;
 
             if(block.hasItems){
-                result += build.items.sum((item, amount) -> item.flammability * amount) / block.itemCapacity * Mathf.clamp(block.itemCapacity / 2.4f, 1f, 3f);
+                result += build.items.sum((item, amount) -> item.flammability * amount) / Math.max(block.itemCapacity, 1) * Mathf.clamp(block.itemCapacity / 2.4f, 1f, 3f);
             }
 
             if(block.hasLiquids){
-                result += build.liquids.sum((liquid, amount) -> liquid.flammability * amount / 1.6f) / block.liquidCapacity * Mathf.clamp(block.liquidCapacity / 30f, 1f, 2f);
+                result += build.liquids.sum((liquid, amount) -> liquid.flammability * amount / 1.6f) / Math.max(block.liquidCapacity, 1) * Mathf.clamp(block.liquidCapacity / 30f, 1f, 2f);
             }
 
             return result;

core/src/mindustry/world/blocks/units/CommandCenter.java

@@ -20,6 +20,8 @@ import mindustry.world.*;
 import mindustry.world.meta.*;
 
 public class CommandCenter extends Block{
+    public final int timerEffect = timers ++;
+
     public TextureRegionDrawable[] commandRegions = new TextureRegionDrawable[UnitCommand.all.length];
     public Color topColor = null, bottomColor = Color.valueOf("5e5e5e");
     public Effect effect = Fx.commandSend;
@@ -33,11 +35,17 @@ public class CommandCenter extends Block{
         solid = true;
         configurable = true;
         drawDisabled = false;
+        logicConfigurable = true;
 
         config(UnitCommand.class, (CommandBuild build, UnitCommand command) -> {
-            build.team.data().command = command;
-            effect.at(build, effectSize);
-            Events.fire(new CommandIssueEvent(build, command));
+            if(build.team.data().command != command){
+                build.team.data().command = command;
+                //do not spam effect
+                if(build.timer(timerEffect, 60f)){
+                    effect.at(build, effectSize);
+                }
+                Events.fire(new CommandIssueEvent(build, command));
+            }
         });
     }
 
@@ -52,6 +60,11 @@ public class CommandCenter extends Block{
         }
     }
 
+    @Override
+    public boolean configSenseable(){
+        return true;
+    }
+
     public class CommandBuild extends Building{
 
         @Override