Fixed copper/water not getting unlocked immediately

core/src/io/anuke/mindustry/content/Items.java

@@ -17,6 +17,7 @@ public class Items implements ContentList{
             hardness = 1;
             cost = 0.6f;
             genOre = true;
+            alwaysUnlocked = true;
         }};
 
         lead = new Item("lead", Color.valueOf("8c7fa9")){{

core/src/io/anuke/mindustry/content/Liquids.java

@@ -17,6 +17,11 @@ public class Liquids implements ContentList{
                 tier = 0;
                 effect = StatusEffects.wet;
             }
+
+            @Override
+            public boolean alwaysUnlocked() {
+                return true;
+            }
         };
 
         lava = new Liquid("lava", Color.valueOf("e37341")){

core/src/io/anuke/mindustry/content/blocks/DebugBlocks.java

@@ -129,10 +129,11 @@ public class DebugBlocks extends BlockList implements ContentList{
                 Table cont = new Table();
 
                 for(int i = 0; i < items.size; i++){
+                    if(!control.unlocks().isUnlocked(items.get(i))) continue;
+
                     final int f = i;
-                    ImageButton button = cont.addImageButton("liquid-icon-" + items.get(i).name, "toggle", 24, () -> {
+                    ImageButton button = cont.addImageButton("liquid-icon-" + items.get(i).name, "toggle", 24,
-                        Call.setLiquidSourceLiquid(null, tile, items.get(f));
+                            () -> Call.setLiquidSourceLiquid(null, tile, items.get(f))).size(38, 42).padBottom(-5.1f).group(group).get();
-                    }).size(38, 42).padBottom(-5.1f).group(group).get();
                     button.setChecked(entity.source.id == f);
 
                     if(i % 4 == 3){

core/src/io/anuke/mindustry/type/Item.java

@@ -38,6 +38,8 @@ public class Item extends UnlockableContent implements Comparable<Item>{
     public float cost = 3f;
     /**Whether this item has ores generated for it.*/
     public boolean genOre = false;
+    /**If true, item is always unlocked.*/
+    public boolean alwaysUnlocked = false;
 
     public Item(String name, Color color){
         this.name = name;
@@ -45,7 +47,7 @@ public class Item extends UnlockableContent implements Comparable<Item>{
         this.description = Bundles.getOrNull("item." + this.name + ".description");
 
         if(!Bundles.has("item." + this.name + ".name")){
-            Log.err("Warning: item '" + name + "' is missing a localized name. Add the follow to bundle.properties:");
+            Log.err("Warning: item '" + name + "' is missing a localized name. Add the following to bundle.properties:");
             Log.err("item." + this.name + ".name=" + Strings.capitalize(name.replace('-', '_')));
         }
     }
@@ -54,6 +56,11 @@ public class Item extends UnlockableContent implements Comparable<Item>{
         this.region = Draw.region("item-" + name);
     }
 
+    @Override
+    public boolean alwaysUnlocked() {
+        return alwaysUnlocked;
+    }
+
     @Override
     public void displayInfo(Table table){
         ContentDisplay.displayItem(table, this);