build preview update

Scripts/build_object.gd

@@ -0,0 +1,29 @@
+extends Node3D
+
+var meshInstance: MeshInstance3D
+var default_materials
+
+#var build_material
+@onready var build_material = load("res://Shaders/build_transparent.gdshader")
+
+func _ready() -> void:
+	default_materials = Array()
+	meshInstance = $DoubleBeds
+	default_materials.resize(meshInstance.get_surface_override_material_count())
+	set_default_materials()
+	Global.preview_created.connect(_on_preview_create)
+	print(build_material)
+
+func set_default_materials():
+	for i in meshInstance.get_surface_override_material_count():
+		default_materials[i] = meshInstance.get_surface_override_material(i)
+
+
+func set_green_color():
+	for i in meshInstance.get_surface_override_material_count():
+		meshInstance.set_surface_override_material(i, Global.build_material)
+	
+
+
+func _on_preview_create():
+	set_green_color()

Scripts/build_object.gd.uid

@@ -0,0 +1 @@
+uid://c61rr6to3q566

Scripts/building_area.gd

@@ -1,13 +1,19 @@
 extends StaticBody3D
 
+
+
 @onready var beds = preload("res://Scenes/Prefabs/DoubleBeds.tscn")
+@export var buildTransparentPreivew: MeshInstance3D
+
 
 var areas
 var previewObject: Node3D
 var is_placed = false
 func _ready() -> void:
 	areas = get_children()
+	buildTransparentPreivew.visible = false
 	Global.exit_build_mode.connect(_on_exit_build_mode)
+	Global.enter_build_mode.connect(_on_enter_build_mode)
 	
 
 func _input_event(camera: Camera3D, event: InputEvent, event_position: Vector3, normal: Vector3, shape_idx: int) -> void:
@@ -27,15 +33,26 @@ func _mouse_exit() -> void:
 func show_preview():
 	previewObject = beds.instantiate()
 	areas[0].add_child(previewObject)
+	buildTransparentPreivew.visible = false
+	Global.preview_created.emit()
 
 func hide_preview():
 	if is_placed != true:
 		if previewObject != null:
 			previewObject.queue_free()
+			buildTransparentPreivew.visible = true
 
 func place_object():
 	is_placed = true
+	buildTransparentPreivew.visible = false
 
-
+func _on_enter_build_mode():
+	if !is_placed:
+		buildTransparentPreivew.visible = true
 func _on_exit_build_mode():
 	hide_preview()
+	buildTransparentPreivew.visible = false
+
+func set_preview_material():
+	#beds
+	pass

Scripts/global_script.gd

@@ -1,17 +1,25 @@
 extends Node3D
 @export var debugLabel1: Label
-
+@onready var build_material = load("res://Shaders/build_transparent.gdshader")
 
 signal exit_build_mode
+signal enter_build_mode
+
+signal preview_created
+signal preview_destroyed
 
 var build_mode: bool = false
 
 
+func _ready() -> void:
+	build_material.set("alpha", 0.5)
+
 func _input(event: InputEvent) -> void:
 	if event.is_action_released("enter_build_mode"):
 		if build_mode:
 			exit_build_mode.emit()
 			build_mode = false
 		else:
+			enter_build_mode.emit()
 			build_mode = true