Added resource mission

core/assets/bundles/bundle.properties

@@ -62,6 +62,7 @@ text.sector.unexplored=[accent][[Unexplored]
 text.mission=Mission:[LIGHT_GRAY] {0}
 text.mission.wave=Survive [accent]{0}[] waves.
 text.mission.battle=Destroy the enemy base.
+text.mission.resource=Obtain {0} x{1}
 text.none=<none>
 text.close=Close
 text.quit=Quit

core/src/io/anuke/mindustry/maps/missions/ResourceMission.java

@@ -0,0 +1,25 @@
+package io.anuke.mindustry.maps.missions;
+
+import io.anuke.mindustry.Vars;
+import io.anuke.mindustry.type.Item;
+import io.anuke.ucore.util.Bundles;
+
+public class ResourceMission implements Mission{
+    private final Item item;
+    private final int amount;
+
+    public ResourceMission(Item item, int amount){
+        this.item = item;
+        this.amount = amount;
+    }
+
+    @Override
+    public boolean isComplete(){
+        return Vars.state.teams.getTeams(true).first().cores.first().entity.items.has(item, amount);
+    }
+
+    @Override
+    public String displayString(){
+        return Bundles.format("text.mission.resource", item.localizedName(), amount);
+    }
+}