Implemented state machine & added NPC ship template

scripts/State Machine/tree.gd

@@ -0,0 +1,51 @@
+extends Node
+
+class_name StateTree
+
+## Emitted when active state is transitioned
+signal transitioned(to_state)
+
+## Active state
+@export var state : State
+
+## Dictionary of all states
+var cached_states = {}
+
+func _ready():
+	for child in get_children():
+		child.tree = self
+		cached_states[child.name] = child
+	
+	state.enter({})
+
+## Make another state active. Optionally, properties can be provided with message
+func transit(to : String, message : Dictionary = {}):
+	
+	state.exit()
+	
+	state = cached_states[to]
+	state.enter(message)
+	
+	transitioned.emit(to)
+
+## Provides properties to active state
+func send_input(message : Dictionary = {}):
+	state.input(message)
+
+## Provides properties to all states
+func send_input_to_system(message : Dictionary = {}):
+	for state in cached_states.values():
+		state.input(message)
+
+## Returns state with provided name
+func get_state(state_name) -> State:
+	return cached_states[state_name]
+
+#region Перегруженные виртуальные функции гойды
+func _process(delta) -> void:
+	state.process(delta)
+
+func _physics_process(delta) -> void:
+	state.physics_process(delta)
+
+#endregion