diff --git a/src/game/GameMode.cpp b/src/game/GameMode.cpp
index b6438ac..401b496 100644
--- a/src/game/GameMode.cpp
+++ b/src/game/GameMode.cpp
@@ -7,6 +7,7 @@
 #include <iostream>
 #include <bits/ostream.tcc>
 
+#include "hexWorld/building/BuildingConfig.h"
 #include "player/Player.h"
 
 GameMode::GameMode() {
@@ -14,11 +15,14 @@ GameMode::GameMode() {
     addPlayer(1, "Player 2");
 }
 
-bool GameMode::canBuild(PlayerID player, BuildingType buildingType) {
-    int woodCost = 10;
-    if (!players[player].getInventory()->hasEnough(RessourceType::WOOD, woodCost)) {
-        std::cout << "Not enough wood" << std::endl;
-        return false;
+bool GameMode::canBuild(PlayerID player, BuildingType buildingType) const {
+
+    const auto def = BuildingConfig::get(buildingType);
+    const auto buildingCosts = def.resourceCosts;
+    for (const auto& [resource, amount] : buildingCosts) {
+        if (!canAfford(player, resource, amount)) {
+            return false;
+        }
     }
     return true;
 }
diff --git a/src/game/GameMode.h b/src/game/GameMode.h
index dbdfc8d..0a870a1 100644
--- a/src/game/GameMode.h
+++ b/src/game/GameMode.h
@@ -16,7 +16,7 @@
 class GameMode {
 public:
     GameMode();
-    bool canBuild(EntityID player, BuildingType buildingType);
+    bool canBuild(EntityID player, BuildingType buildingType) const;
 
     bool canAfford(PlayerID player_id, RessourceType ressource, int amount) const;