refactor

scenes/entities/building/building.gd

@@ -0,0 +1,36 @@
+extends StaticBody3D
+
+@export var building_id: StringName = &""
+
+@onready var mesh: MeshInstance3D = $Mesh
+@onready var collision: CollisionShape3D = $Collision
+
+func _enter_tree() -> void:
+  set_multiplayer_authority(1)
+
+func _ready() -> void:
+  add_to_group("buildings")
+  apply_building(building_id)
+
+func apply_building(id: StringName) -> void:
+  building_id = id
+  var data: Building = _load_building(id)
+  if data == null:
+    return
+  var box: BoxMesh = mesh.mesh as BoxMesh
+  if box:
+    box.size = data.size
+  var shape: BoxShape3D = collision.shape as BoxShape3D
+  if shape:
+    shape.size = data.size
+  collision.position = Vector3(0.0, data.size.y * 0.5, 0.0)
+  mesh.position = Vector3(0.0, data.size.y * 0.5, 0.0)
+  var mat: StandardMaterial3D = StandardMaterial3D.new()
+  mat.albedo_color = data.color
+  mesh.material_override = mat
+
+static func _load_building(id: StringName) -> Building:
+  var path := "res://resources/buildings/%s.tres" % str(id)
+  if ResourceLoader.exists(path):
+    return load(path) as Building
+  return null