diff --git a/core/src/io/anuke/mindustry/maps/generation/FortressGenerator.java b/core/src/io/anuke/mindustry/maps/generation/FortressGenerator.java
index 8ed3fe3301..3f101ab203 100644
--- a/core/src/io/anuke/mindustry/maps/generation/FortressGenerator.java
+++ b/core/src/io/anuke/mindustry/maps/generation/FortressGenerator.java
@@ -1,15 +1,19 @@
 package io.anuke.mindustry.maps.generation;
 
+import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.utils.Array;
 import com.badlogic.gdx.utils.Predicate;
+import io.anuke.mindustry.content.Items;
 import io.anuke.mindustry.content.blocks.StorageBlocks;
 import io.anuke.mindustry.game.Team;
+import io.anuke.mindustry.type.AmmoType;
+import io.anuke.mindustry.type.Item;
 import io.anuke.mindustry.world.Block;
-import io.anuke.mindustry.world.blocks.production.Drill;
-import io.anuke.mindustry.world.consumers.ConsumePower;
+import io.anuke.mindustry.world.blocks.defense.turrets.ItemTurret;
+import io.anuke.mindustry.world.blocks.defense.turrets.PowerTurret;
 
 public class FortressGenerator{
-    private final static int minCoreDst = 60;
+    private final static int coreDst = 60;
 
     private int enemyX, enemyY, coreX, coreY;
     private Team team;
@@ -28,17 +32,31 @@ public class FortressGenerator{
 
     void gen(){
         gen.tiles[enemyX][enemyY].setBlock(StorageBlocks.core, team);
+        Item[] acceptedItems = {Items.copper, Items.densealloy, Items.silicon, Items.thorium};
 
-        Array<Block> drills = find(b -> b instanceof Drill && !b.consumes.has(ConsumePower.class));
+        Array<Block> turrets = find(b -> (b instanceof ItemTurret && accepts(((ItemTurret) b).getAmmoTypes(), acceptedItems) || b instanceof PowerTurret));
 
         for(int x = 0; x < gen.width; x++){
             for(int y = 0; y < gen.height; y++){
-                //TODO place valid drills
+                if(Vector2.dst(x, y, enemyX, enemyY) > coreDst){
+                    continue;
+                }
             }
         }
 
     }
 
+    boolean accepts(AmmoType[] types, Item[] items){
+        for(AmmoType type : types){
+            for(Item item : items){
+                if(type.item == item){
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
     Array<Block> find(Predicate<Block> pred){
         Array<Block> out = new Array<>();
         for(Block block : Block.all()){
diff --git a/core/src/io/anuke/mindustry/maps/generation/Generation.java b/core/src/io/anuke/mindustry/maps/generation/Generation.java
index 7000613559..aa7535279d 100644
--- a/core/src/io/anuke/mindustry/maps/generation/Generation.java
+++ b/core/src/io/anuke/mindustry/maps/generation/Generation.java
@@ -35,7 +35,15 @@ public class Generation{
                     int worldx = dx + offsetx + x;
                     int worldy = dy + offsety + y;
                     if(!Mathf.inBounds(worldx, worldy, tiles)){
-                        continue;
+                        return null;
+                    }
+
+                    if(!block.isValid(tiles[worldx][worldy])) continue;
+
+                    Item drop = tiles[worldx][worldy].floor().drops.item;
+
+                    if(result == null || drop.id < result.id){
+                        result = drop;
                     }
 
                 }
@@ -46,6 +54,8 @@ public class Generation{
         }
     }
 
+
+
     public boolean canPlace(int x, int y, Block block){
         if(block.isMultiblock()){
             int offsetx = -(block.size - 1) / 2;
diff --git a/core/src/io/anuke/mindustry/world/blocks/production/Drill.java b/core/src/io/anuke/mindustry/world/blocks/production/Drill.java
index c98d273eed..7d9a943e31 100644
--- a/core/src/io/anuke/mindustry/world/blocks/production/Drill.java
+++ b/core/src/io/anuke/mindustry/world/blocks/production/Drill.java
@@ -233,7 +233,7 @@ public class Drill extends Block{
         return tile.floor().drops.item;
     }
 
-    protected boolean isValid(Tile tile){
+    public boolean isValid(Tile tile){
         if(tile == null) return false;
         ItemStack drops = tile.floor().drops;
         return drops != null && drops.item.hardness <= tier;