diff --git a/core/src/io/anuke/mindustry/maps/MapTileData.java b/core/src/io/anuke/mindustry/maps/MapTileData.java
index 9ffac4cd02..15d6e30506 100644
--- a/core/src/io/anuke/mindustry/maps/MapTileData.java
+++ b/core/src/io/anuke/mindustry/maps/MapTileData.java
@@ -138,8 +138,7 @@ public class MapTileData{
     }
 
     public enum DataPosition{
-        floor, wall, link, rotationTeam,
-        @Deprecated elevation
+        floor, wall, link, rotationTeam, elevation
     }
 
     public class TileDataMarker{
diff --git a/core/src/io/anuke/mindustry/maps/generators/MapGenerator.java b/core/src/io/anuke/mindustry/maps/generators/MapGenerator.java
index 9fd5c2be77..4b78e02bd0 100644
--- a/core/src/io/anuke/mindustry/maps/generators/MapGenerator.java
+++ b/core/src/io/anuke/mindustry/maps/generators/MapGenerator.java
@@ -3,6 +3,7 @@ package io.anuke.mindustry.maps.generators;
 import io.anuke.arc.collection.Array;
 import io.anuke.arc.math.Mathf;
 import io.anuke.arc.math.geom.Point2;
+import io.anuke.arc.util.Structs;
 import io.anuke.arc.util.noise.Simplex;
 import io.anuke.mindustry.content.Blocks;
 import io.anuke.mindustry.io.MapIO;
@@ -10,6 +11,7 @@ import io.anuke.mindustry.maps.Map;
 import io.anuke.mindustry.maps.MapTileData;
 import io.anuke.mindustry.maps.MapTileData.TileDataMarker;
 import io.anuke.mindustry.world.Tile;
+import io.anuke.mindustry.world.blocks.OreBlock;
 import io.anuke.mindustry.world.blocks.storage.CoreBlock;
 
 import static io.anuke.mindustry.Vars.*;
@@ -90,6 +92,22 @@ public class MapGenerator extends Generator{
             for(int i = 0; i < enemySpawns; i++){
                 Point2 point = enemies.get(i);
                 tiles[point.x][point.y].setBlock(Blocks.spawn);
+
+                int rad = 10, frad = 12;
+
+                for(int x = rad; x <= rad; x++){
+                    for(int y = rad; y <= rad; y++){
+                        int wx = x + point.x, wy = y + point.y;
+                        double dst = Mathf.dst(x, y);
+                        if(dst < frad && Structs.inBounds(wx, wy, tiles) && (dst <= rad || Mathf.chance(0.5))){
+                            Tile tile = tiles[wx][wy];
+                            if(tile.floor() instanceof OreBlock){
+                                OreBlock block = (OreBlock)tile.floor();
+                                tile.setFloor(block.base);
+                            }
+                        }
+                    }
+                }
             }
         }
 
diff --git a/core/src/io/anuke/mindustry/world/LegacyColorMapper.java b/core/src/io/anuke/mindustry/world/LegacyColorMapper.java
index 51950441fa..076e6a27f7 100644
--- a/core/src/io/anuke/mindustry/world/LegacyColorMapper.java
+++ b/core/src/io/anuke/mindustry/world/LegacyColorMapper.java
@@ -18,7 +18,7 @@ public class LegacyColorMapper implements ContentList{
 
     @Override
     public void load(){
-        defaultValue = new LegacyBlock(Blocks.stone, 0);
+        defaultValue = new LegacyBlock(Blocks.stone, Blocks.air);
 
         map("ff0000", Blocks.dirt, 0);
         map("00ff00", Blocks.stone, 0);
@@ -44,17 +44,22 @@ public class LegacyColorMapper implements ContentList{
         map("83bc58", OreBlock.get(Blocks.stone, Items.thorium), 0);
     }
     
-    private void map(String color, Block block, int elevation){
-        blockMap.put(Color.rgba8888(Color.valueOf(color)), new LegacyBlock(block, elevation));
+    private void map(String color, Block block, Block wall){
+        blockMap.put(Color.rgba8888(Color.valueOf(color)), new LegacyBlock(block, wall));
+    }
+
+    //todo fix this, implement proper mapping w/ walls
+    private void map(String color, Block block, int __TODO_fix_this){
+        blockMap.put(Color.rgba8888(Color.valueOf(color)), new LegacyBlock(block, Blocks.air));
     }
 
     public static class LegacyBlock{
-        public final int elevation;
         public final Floor floor;
+        public final Block wall;
 
-        public LegacyBlock(Block floor, int elevation){
-            this.elevation = elevation;
+        public LegacyBlock(Block floor, Block wall){
             this.floor = (Floor) floor;
+            this.wall = wall;
         }
     }