two buildings working!

created research building base

scripts/autoloads/building_manager.gd

@@ -0,0 +1,17 @@
+extends Node
+
+var _resource_buildings = {}
+var _storage_buildings = {}
+
+func add_resource_building(res: GameResource, building: BuildingBase) -> void:
+	if not _resource_buildings.has(res):
+		_resource_buildings[res] = []
+	_resource_buildings[res].append(building)
+	
+func add_storage_building(res: GameResource, building: BuildingBase) -> void:
+	if not _storage_buildings.has(res):
+		_storage_buildings[res] = []
+	_storage_buildings[res].append(building)
+	
+func get_storage_count_for_resource(res: GameResource) -> int:
+	return 0 if not _storage_buildings.has(res) else _storage_buildings[res].size()