diff --git a/assets/buildings.tsj b/assets/buildings.tsj
index cfb8733..50fc5b2 100644
--- a/assets/buildings.tsj
+++ b/assets/buildings.tsj
@@ -292,6 +292,14 @@
          "id":36,
          "type":"fletcher"
         }, 
+        {
+         "id":38,
+         "type":"mine"
+        }, 
+        {
+         "id":39,
+         "type":"mine"
+        }, 
         {
          "id":40,
          "type":"baracks"
diff --git a/engine/breeze/map/tileset.c b/engine/breeze/map/tileset.c
index 1f35c7e..374c746 100644
--- a/engine/breeze/map/tileset.c
+++ b/engine/breeze/map/tileset.c
@@ -79,8 +79,10 @@ BzTileset bzTilesetCreate(const BzTilesetDesc *desc) {
 }
 
 BzTile bzTilesetGetTile(BzTileset *tileset, BzTile tile) {
+    if (tile == 0)
+        return -1;
     tile = tile - tileset->startID;
-    BZ_ASSERT(tile >= tile && tile < tileset->tileCount);
+    BZ_ASSERT(tile >= 0 && tile < tileset->tileCount);
     return tile;
 }
 Rectangle bzTilesetGetTileRegion(BzTileset *tileset, BzTile tileID) {
diff --git a/game/main.c b/game/main.c
index 697916b..38a3f94 100644
--- a/game/main.c
+++ b/game/main.c
@@ -53,27 +53,6 @@ bool prepareBuildingLayer(BzTileLayer *layer, BzTile *data, i32 dataCount) {
     return false;
 }
 
-static void detectSize(BzTile *const data, BzTile * const ownData,
-                       const BzTile tile, const BzTile ownerTile,
-                       const i32 width, const i32 height,
-                       BzTile x, BzTile y, TileSize * const max) {
-    if (x >= width || y >= height) return;
-
-    BzTile *curTile = data + y * width + x;
-    BzTile *curOwn = ownData + y * width + x;
-
-    if (*curTile != tile || *curOwn != ownerTile) return;
-
-    max->w = max->w > x ? max->w : x;
-    max->h = max->h > y ? max->h : y;
-
-    *curTile = 0;
-    *curOwn = 0;
-
-    detectSize(data, ownData, tile, ownerTile, width, height, x + 1, y, max);
-    detectSize(data, ownData, tile, ownerTile, width, height, x, y + 1, max);
-}
-
 bool handleBuildLayer(BzTileLayer *layer, BzTile *data, i32 dataCount) {
     ECS_COMPONENT(ECS, TilePosition);
     ECS_COMPONENT(ECS, TileSize);
@@ -86,16 +65,10 @@ bool handleBuildLayer(BzTileLayer *layer, BzTile *data, i32 dataCount) {
         for (i32 x = 0; x < layer->width; x++) {
             BzTile *tile = data + y * layer->width + x;
             BzTile *ownTile = ownData + y * layer->width + x;
-            if (*tile == 0) continue;
+            if (*tile == BUILDINGS_NONE) continue;
             // We have a building
-            TileSize size = {.w=(BzTile)x, .h=(BzTile)y};
-            if (*tile != BUILDINGS_ROAD) {
-                detectSize(data, ownData, *tile, *ownTile,
-                           layer->width, layer->height, (BzTile) x, (BzTile) y, &size);
-            }
-            size.w -= x - 1;
-            size.h -= y - 1;
-
+            TileSize size = {};
+            getBuildingSize(*tile, &size.w, &size.h);
             bzLogInfo("Got size: %2d %2d", size.w, size.h);
 
             ecs_entity_t e = ecs_new_id(ECS);
@@ -105,7 +78,7 @@ bool handleBuildLayer(BzTileLayer *layer, BzTile *data, i32 dataCount) {
             bzTileMapUpdateCollider(&GAME.map, x, y);
         }
     }
-    return true;
+    return false;
 }
 
 bool canBuildOn(BzTileMap *map, i32 tileX, i32 tileY, i32 sizeX, i32 sizeY) {
@@ -123,9 +96,17 @@ bool canBuildOn(BzTileMap *map, i32 tileX, i32 tileY, i32 sizeX, i32 sizeY) {
     sizeX += 2;
     sizeY += 2;
 
+    BzTileLayer *buildLayer = bzTileMapGetLayer(map, LAYER_BUILDINGS);
 
     for (i32 y = tileY; y < tileY + sizeY; y++) {
         for (i32 x = tileX; x < tileX + sizeX; x++) {
+            if (x != tileX && x != tileX + sizeX - 1 &&
+                y != tileY && y != tileY + sizeY - 1) {
+                // Without padding
+                BzTile tile = bzTileLayerGetTile(buildLayer, x, y);
+                if (tile == BUILDINGS_ROAD)
+                    return false;
+            }
             BzTileCollider collider = bzTileMapGetCollider(map, x, y);
             f32 posX = x * map->tileWidth;
             f32 posY = y * map->tileHeight;
diff --git a/game/utils/buildings.h b/game/utils/buildings.h
index 971375e..0355fc7 100644
--- a/game/utils/buildings.h
+++ b/game/utils/buildings.h
@@ -27,7 +27,7 @@ typedef enum BUILDINGS {
 } BUILDINGS;
 
 
-static bool getTileBuilding(BzTile tile) {
+static BUILDINGS getTileBuilding(BzTile tile) {
     switch (tile) {
         case 0:
         case 1:
@@ -47,6 +47,8 @@ static bool getTileBuilding(BzTile tile) {
              return BUILDINGS_WAREHOUSE;
         case 6:
         case 7:
+        case 38:
+        case 39:
              return BUILDINGS_MINE;
         case 8:
         case 9:
@@ -93,22 +95,99 @@ static bool getTileBuilding(BzTile tile) {
 }
 
 static BUILDINGS getBuildingFromStr(const char *str) {
-    if (strncmp("keep", str, 4)) return BUILDINGS_KEEP;
-    if (strncmp("granary", str, 7)) return BUILDINGS_GRANARY;
-    if (strncmp("armory", str, 6)) return BUILDINGS_ARMORY;
-    if (strncmp("warehouse", str, 9)) return BUILDINGS_WAREHOUSE;
-    if (strncmp("mine", str, 4)) return BUILDINGS_MINE;
-    if (strncmp("baracks", str, 7)) return BUILDINGS_BARACKS;
-    if (strncmp("orchard", str, 7)) return BUILDINGS_ORCHARD;
-    if (strncmp("animal_farm", str, 11)) return BUILDINGS_ANIMAL_FARM;
-    if (strncmp("fletcher", str, 8)) return BUILDINGS_FLETCHER;
-    if (strncmp("smithy", str, 6)) return BUILDINGS_SMITHY;
-    if (strncmp("workshop", str, 8)) return BUILDINGS_WORKSHOP;
-    if (strncmp("farm", str, 4)) return BUILDINGS_FARM;
-    if (strncmp("road", str, 4)) return BUILDINGS_ROAD;
-    if (strncmp("wall", str, 4)) return BUILDINGS_WALL;
-    if (strncmp("gatehouse", str, 9)) return BUILDINGS_GATEHOUSE;
-    if (strncmp("tower", str, 5)) return BUILDINGS_TOWER;
-    if (strncmp("small_tower", str, 11)) return BUILDINGS_SMALL_TOWER;
+    if (strncmp("keep", str, 4) == 0) return BUILDINGS_KEEP;
+    if (strncmp("granary", str, 7) == 0) return BUILDINGS_GRANARY;
+    if (strncmp("armory", str, 6) == 0) return BUILDINGS_ARMORY;
+    if (strncmp("warehouse", str, 9) == 0) return BUILDINGS_WAREHOUSE;
+    if (strncmp("mine", str, 4) == 0) return BUILDINGS_MINE;
+    if (strncmp("baracks", str, 7) == 0) return BUILDINGS_BARACKS;
+    if (strncmp("orchard", str, 7) == 0) return BUILDINGS_ORCHARD;
+    if (strncmp("animal_farm", str, 11) == 0) return BUILDINGS_ANIMAL_FARM;
+    if (strncmp("fletcher", str, 8) == 0) return BUILDINGS_FLETCHER;
+    if (strncmp("smithy", str, 6) == 0) return BUILDINGS_SMITHY;
+    if (strncmp("workshop", str, 8) == 0) return BUILDINGS_WORKSHOP;
+    if (strncmp("farm", str, 4) == 0) return BUILDINGS_FARM;
+    if (strncmp("road", str, 4) == 0) return BUILDINGS_ROAD;
+    if (strncmp("wall", str, 4) == 0) return BUILDINGS_WALL;
+    if (strncmp("gatehouse", str, 9) == 0) return BUILDINGS_GATEHOUSE;
+    if (strncmp("tower", str, 5) == 0) return BUILDINGS_TOWER;
+    if (strncmp("small_tower", str, 11) == 0) return BUILDINGS_SMALL_TOWER;
     else return BUILDINGS_NONE;
 }
+static void getBuildingSize(BUILDINGS type, BzTile *outWidth, BzTile *outHeight) {
+     switch (type) {
+        case BUILDINGS_KEEP:
+            if (outWidth) *outWidth = 3;
+            if (outHeight) *outHeight = 3;
+            break;
+        case BUILDINGS_GRANARY:
+            if (outWidth) *outWidth = 1;
+            if (outHeight) *outHeight = 1;
+            break;
+        case BUILDINGS_ARMORY:
+            if (outWidth) *outWidth = 1;
+            if (outHeight) *outHeight = 1;
+            break;
+        case BUILDINGS_WAREHOUSE:
+            if (outWidth) *outWidth = 1;
+            if (outHeight) *outHeight = 1;
+            break;
+        case BUILDINGS_MINE:
+            if (outWidth) *outWidth = 2;
+            if (outHeight) *outHeight = 2;
+            break;
+        case BUILDINGS_BARACKS:
+            if (outWidth) *outWidth = 2;
+            if (outHeight) *outHeight = 2;
+            break;
+        case BUILDINGS_ORCHARD:
+            if (outWidth) *outWidth = 2;
+            if (outHeight) *outHeight = 2;
+            break;
+        case BUILDINGS_ANIMAL_FARM:
+            if (outWidth) *outWidth = 2;
+            if (outHeight) *outHeight = 2;
+            break;
+        case BUILDINGS_FLETCHER:
+            if (outWidth) *outWidth = 2;
+            if (outHeight) *outHeight = 1;
+            break;
+        case BUILDINGS_SMITHY:
+            if (outWidth) *outWidth = 2;
+            if (outHeight) *outHeight = 1;
+            break;
+        case BUILDINGS_WORKSHOP:
+            if (outWidth) *outWidth = 2;
+            if (outHeight) *outHeight = 1;
+            break;
+        case BUILDINGS_FARM:
+            if (outWidth) *outWidth = 1;
+            if (outHeight) *outHeight = 1;
+            break;
+        case BUILDINGS_ROAD:
+            if (outWidth) *outWidth = 1;
+            if (outHeight) *outHeight = 1;
+            break;
+        case BUILDINGS_WALL:
+            if (outWidth) *outWidth = 1;
+            if (outHeight) *outHeight = 1;
+            break;
+        case BUILDINGS_GATEHOUSE:
+            if (outWidth) *outWidth = 1;
+            if (outHeight) *outHeight = 1;
+            break;
+        case BUILDINGS_TOWER:
+            if (outWidth) *outWidth = 2;
+            if (outHeight) *outHeight = 2;
+            break;
+        case BUILDINGS_SMALL_TOWER:
+            if (outWidth) *outWidth = 1;
+            if (outHeight) *outHeight = 1;
+            break;
+        default:
+            if (outWidth) *outWidth = 0;
+            if (outHeight) *outHeight = 0;
+            break;
+    }
+}
+
diff --git a/scripts/extract_tileset_classes.py b/scripts/extract_tileset_classes.py
index 536db41..6dcf6d0 100755
--- a/scripts/extract_tileset_classes.py
+++ b/scripts/extract_tileset_classes.py
@@ -65,7 +65,7 @@ print()
 
 # ============================
 
-print(f"{indent()}static bool getTileBuilding(BzTile tile) {{")
+print(f"{indent()}static {enum_name} getTileBuilding(BzTile tile) {{")
 indent_level += indent_offset
 print(f"{indent()}switch (tile) {{")
 for enum, ids in types.items():
diff --git a/tiled/buildings.tsx b/tiled/buildings.tsx
index 61661ea..fda32ed 100644
--- a/tiled/buildings.tsx
+++ b/tiled/buildings.tsx
@@ -59,6 +59,8 @@
  </tile>
  <tile id="35" type="fletcher"/>
  <tile id="36" type="fletcher"/>
+ <tile id="38" type="mine"/>
+ <tile id="39" type="mine"/>
  <tile id="40" type="baracks"/>
  <tile id="41" type="baracks"/>
  <tile id="42" type="orchard"/>