it is done

core/src/mindustry/content/Items.java

@@ -0,0 +1,101 @@
+package mindustry.content;
+
+import arc.graphics.Color;
+import mindustry.ctype.ContentList;
+import mindustry.type.Item;
+import mindustry.type.ItemType;
+
+public class Items implements ContentList{
+    public static Item scrap, copper, lead, graphite, coal, titanium, thorium, silicon, plastanium, phasefabric, surgealloy,
+    sporePod, sand, blastCompound, pyratite, metaglass;
+
+    @Override
+    public void load(){
+        copper = new Item("copper", Color.valueOf("d99d73")){{
+            type = ItemType.material;
+            hardness = 1;
+            cost = 0.5f;
+            alwaysUnlocked = true;
+        }};
+
+        lead = new Item("lead", Color.valueOf("8c7fa9")){{
+            type = ItemType.material;
+            hardness = 1;
+            cost = 0.7f;
+        }};
+
+        metaglass = new Item("metaglass", Color.valueOf("ebeef5")){{
+            type = ItemType.material;
+            cost = 1.5f;
+        }};
+
+        graphite = new Item("graphite", Color.valueOf("b2c6d2")){{
+            type = ItemType.material;
+            cost = 1f;
+        }};
+
+        sand = new Item("sand", Color.valueOf("f7cba4")){{
+
+        }};
+
+        coal = new Item("coal", Color.valueOf("272727")){{
+            explosiveness = 0.2f;
+            flammability = 1f;
+            hardness = 2;
+        }};
+
+        titanium = new Item("titanium", Color.valueOf("8da1e3")){{
+            type = ItemType.material;
+            hardness = 3;
+            cost = 1f;
+        }};
+
+        thorium = new Item("thorium", Color.valueOf("f9a3c7")){{
+            type = ItemType.material;
+            explosiveness = 0.2f;
+            hardness = 4;
+            radioactivity = 1f;
+            cost = 1.1f;
+        }};
+
+        scrap = new Item("scrap", Color.valueOf("777777")){{
+
+        }};
+
+        silicon = new Item("silicon", Color.valueOf("53565c")){{
+            type = ItemType.material;
+            cost = 0.8f;
+        }};
+
+        plastanium = new Item("plastanium", Color.valueOf("cbd97f")){{
+            type = ItemType.material;
+            flammability = 0.1f;
+            explosiveness = 0.2f;
+            cost = 1.3f;
+        }};
+
+        phasefabric = new Item("phase-fabric", Color.valueOf("f4ba6e")){{
+            type = ItemType.material;
+            cost = 1.3f;
+            radioactivity = 0.6f;
+        }};
+
+        surgealloy = new Item("surge-alloy", Color.valueOf("f3e979")){{
+            type = ItemType.material;
+        }};
+
+        sporePod = new Item("spore-pod", Color.valueOf("7457ce")){{
+            flammability = 1.15f;
+        }};
+
+        blastCompound = new Item("blast-compound", Color.valueOf("ff795e")){{
+            flammability = 0.4f;
+            explosiveness = 1.2f;
+        }};
+
+        pyratite = new Item("pyratite", Color.valueOf("ffaa5f")){{
+            flammability = 1.4f;
+            explosiveness = 0.4f;
+        }};
+    }
+}