Burner

src/burn_area.gd

@@ -0,0 +1,20 @@
+extends Area3D
+
+
+@export var enabled: bool = false
+@export_range(0,10,0.01,"or_greater","suffix:градус/с") var power: float = 0.1
+var flasks: Array[DraggableObject] = []
+
+func _process(delta: float) -> void:
+	if enabled:
+		for flask in flasks:
+			flask.get_node("Inventory").mean_temperature += delta * power
+
+func _on_area_entered(area: Area3D) -> void:
+	if area.is_in_group("flask"):
+		flasks.append(area)
+
+
+func _on_area_exited(area: Area3D) -> void:
+	if area.is_in_group("flask"):
+		flasks.erase(area)

src/burn_area.gd.uid

@@ -0,0 +1 @@
+uid://iv0p3iafoogu

src/button_gens/burner_button.gd

@@ -0,0 +1,13 @@
+extends ButtonGenerator
+
+
+func get_buttons() -> Control:
+	var burn_button: Button = Button.new()
+	burn_button.text = "Потушить спиртовку" if $"../BurnArea".enabled else "Зажечь спиртовку"
+	burn_button.pressed.connect(toggle_burner)
+	
+	return burn_button
+
+func toggle_burner() -> void:
+	$"../BurnArea".enabled = not $"../BurnArea".enabled
+	GuiSignalBus.add_buttons.emit(get_buttons())

src/button_gens/burner_button.gd.uid

@@ -0,0 +1 @@
+uid://d3v8045s7423j

src/drag/draggable_object.gd

@@ -11,12 +11,16 @@ var dragged: bool = false:
 		if dragged != value:
 			if value:
 				drag_started.emit()
+				GuiSignalBus.clear_buttons.emit()
 				get_viewport().get_camera_3d().start_interaction_seeking(self)
+				if button_generator:
+					GuiSignalBus.add_buttons.emit(button_generator.get_buttons())
 			else:
 				drag_ended.emit()
 		dragged = value
 
 @export var interactible: Interactible
+@export var button_generator: ButtonGenerator
 
 @export var mask: PackedStringArray
 var contacted_draggables: Array[DraggableObject]

src/drag/gui_buttons.gd

@@ -0,0 +1,7 @@
+@abstract
+extends Node
+
+class_name ButtonGenerator
+
+@abstract
+func get_buttons() -> Control

src/drag/gui_buttons.gd.uid

@@ -0,0 +1 @@
+uid://dvpg3dt8qke2w

src/gui_signal_bus.gd

@@ -4,6 +4,8 @@ extends Node
 
 signal interaction_confirmed(data: Dictionary)
 signal log_pushed(log_data: String)
+signal clear_buttons
+signal add_buttons(buttons: Control)
 
 func push(log_data: String):
 	log_pushed.emit(log_data)

src/inventory.gd

@@ -9,7 +9,8 @@ var mean_temperature: float:
 	set(new_temperature):
 		mean_temperature = new_temperature
 		temperature_changed.emit(new_temperature)
-		update_temperature()
+		if new_temperature != 0:
+			update_temperature()
 
 var total_amount: float:
 	set(value):

src/ui/control_buttons_holder.gd

@@ -0,0 +1,18 @@
+extends Control
+
+
+var current_inspected: Control
+
+func _ready() -> void:
+	GuiSignalBus.add_buttons.connect(add_buttons)
+	GuiSignalBus.clear_buttons.connect(clear_buttons)
+
+func clear_buttons() -> void:
+	if current_inspected:
+		current_inspected.queue_free()
+
+func add_buttons(buttons: Control) -> void:
+	clear_buttons()
+	
+	current_inspected = buttons
+	add_child(buttons)

src/ui/control_buttons_holder.gd.uid

@@ -0,0 +1 @@
+uid://457xdl1tsmde