new build mechanic

Scripts/building_area.gd

@@ -0,0 +1,41 @@
+extends StaticBody3D
+
+@onready var beds = preload("res://Scenes/Prefabs/DoubleBeds.tscn")
+
+var areas
+var previewObject: Node3D
+var is_placed = false
+func _ready() -> void:
+	areas = get_children()
+	Global.exit_build_mode.connect(_on_exit_build_mode)
+	
+
+func _input_event(camera: Camera3D, event: InputEvent, event_position: Vector3, normal: Vector3, shape_idx: int) -> void:
+	if event.is_action_pressed("mouse_click") and Global.build_mode:	
+		place_object()
+	
+		
+
+func _mouse_enter() -> void:
+	if !is_placed and Global.build_mode:
+		show_preview()
+
+func _mouse_exit() -> void:
+	if !is_placed and Global.build_mode:
+		hide_preview()
+
+func show_preview():
+	previewObject = beds.instantiate()
+	areas[0].add_child(previewObject)
+
+func hide_preview():
+	if is_placed != true:
+		if previewObject != null:
+			previewObject.queue_free()
+
+func place_object():
+	is_placed = true
+
+
+func _on_exit_build_mode():
+	hide_preview()