diff --git a/src/main/java/kaptainwutax/seedcracker/finder/DungeonFinder.java b/src/main/java/kaptainwutax/seedcracker/finder/DungeonFinder.java
index 0cb48b5..79f3294 100644
--- a/src/main/java/kaptainwutax/seedcracker/finder/DungeonFinder.java
+++ b/src/main/java/kaptainwutax/seedcracker/finder/DungeonFinder.java
@@ -1,5 +1,7 @@
 package kaptainwutax.seedcracker.finder;
 
+import kaptainwutax.seedcracker.SeedCracker;
+import kaptainwutax.seedcracker.cracker.DungeonData;
 import kaptainwutax.seedcracker.render.Cube;
 import kaptainwutax.seedcracker.util.PosIterator;
 import net.minecraft.block.Block;
@@ -9,15 +11,22 @@ import net.minecraft.block.entity.MobSpawnerBlockEntity;
 import net.minecraft.client.util.math.Vector4f;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.ChunkPos;
+import net.minecraft.util.math.Vec3i;
 import net.minecraft.world.World;
+import net.minecraft.world.biome.Biome;
 import net.minecraft.world.dimension.DimensionType;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 public class DungeonFinder extends BlockFinder {
 
+    protected static List<BlockPos> SEARCH_POSITIONS = buildSearchPositions(CHUNK_POSITIONS, pos -> {
+        return false;
+    });
+
     protected static Set<BlockPos> FLOOR_POSITION = PosIterator.create(
             new BlockPos(-3, -1, -3),
             new BlockPos(3, -1, 3)
@@ -25,6 +34,7 @@ public class DungeonFinder extends BlockFinder {
 
     public DungeonFinder(World world, ChunkPos chunkPos) {
         super(world, chunkPos, Blocks.SPAWNER);
+        this.searchPositions = SEARCH_POSITIONS;
     }
 
     @Override
@@ -48,11 +58,54 @@ public class DungeonFinder extends BlockFinder {
             return false;
         });
 
-        result.forEach(pos -> this.renderers.add(new Cube(pos, new Vector4f(1.0f, 0.0f, 0.0f, 1.0f))));
+        Biome biome = this.world.getBiome(this.chunkPos.getCenterBlockPos().add(8, 8, 8));
+
+        List<BlockPos> starts = result.stream()
+                .map(pos -> new BlockPos(pos.getX() & 15, pos.getY(), pos.getZ() & 15)).collect(Collectors.toList());
+
+        List<List<Integer>> floorCallsList = result.stream()
+                .map(pos -> this.getFloorCalls(this.getDungeonSize(pos), pos)).collect(Collectors.toList());
+
+        result.forEach(pos -> {
+            if(SeedCracker.get().onPopulationData(new DungeonData(this.chunkPos, biome, starts, floorCallsList))) {
+                this.renderers.add(new Cube(pos, new Vector4f(1.0f, 0.0f, 0.0f, 1.0f)));
+            }
+        });
 
         return result;
     }
 
+    public Vec3i getDungeonSize(BlockPos spawnerPos) {
+        for(int xo = 4; xo >= 3; xo--) {
+            for(int zo = 4; zo >= 3; zo--) {
+                Block block = this.world.getBlockState(spawnerPos.add(xo, -1, zo)).getBlock();
+                if(block != Blocks.MOSSY_COBBLESTONE)continue;
+                if(block != Blocks.COBBLESTONE)continue;
+                return new Vec3i(xo, 0, zo);
+            }
+        }
+
+        return Vec3i.ZERO;
+    }
+
+    public List<Integer> getFloorCalls(Vec3i dungeonSize, BlockPos spawnerPos) {
+        List<Integer> floorCalls = new ArrayList<>();
+
+        for(int xo = -dungeonSize.getX(); xo <= dungeonSize.getX(); xo++) {
+            for(int zo = -dungeonSize.getZ(); zo <= dungeonSize.getZ(); zo++) {
+                Block block = this.world.getBlockState(spawnerPos.add(xo, -1, zo)).getBlock();
+
+                if(block == Blocks.MOSSY_COBBLESTONE) {
+                    floorCalls.add(DungeonData.MOSSY_COBBLESTONE_CALL);
+                } else if(block == Blocks.COBBLESTONE) {
+                    floorCalls.add(DungeonData.COBBLESTONE_CALL);
+                }
+            }
+        }
+
+        return floorCalls;
+    }
+
     @Override
     public boolean isValidDimension(DimensionType dimension) {
         return dimension == DimensionType.OVERWORLD;