Initial WhaleTown V2 frontend

scenes/Maps/WorkZoneBuildingArea.gd

@@ -0,0 +1,30 @@
+class_name WorkZoneBuildingArea
+extends Area2D
+
+# ============================================================================
+# WorkZoneBuildingArea.gd - 打工区建筑交互入口
+# ============================================================================
+# 为打工区建筑提供统一交互数据，玩家面对入口按交互键时由 PlayerController 调用。
+# ============================================================================
+
+const INTERACTION_COLLISION_LAYER: int = 2
+
+@export var buildingId: String = ""
+@export var buildingTitle: String = ""
+@export var buildingRole: String = ""
+
+func _ready() -> void:
+	collision_layer = INTERACTION_COLLISION_LAYER
+	collision_mask = 0
+
+func interact() -> void:
+	var payload := {
+		"buildingId": buildingId,
+		"title": buildingTitle,
+		"role": buildingRole,
+		"nodePath": get_path(),
+	}
+	var eventSystem := get_node_or_null("/root/EventSystem")
+	if eventSystem != null:
+		eventSystem.call("emit_event", EventNames.OBJECT_INTERACTED, payload)
+	print("WorkZone building interacted: %s - %s" % [buildingTitle, buildingRole])