Implemented state machine & added NPC ship template

scenes/Ships/Modules/Hulls/kamikaze_hull.tscn

@@ -0,0 +1,16 @@
+[gd_scene load_steps=3 format=3 uid="uid://bkd4gyhlota7l"]
+
+[ext_resource type="PackedScene" uid="uid://bsu4eqwdfewwi" path="res://scenes/Ships/Modules/Hulls/hull.tscn" id="1_l56rl"]
+[ext_resource type="Texture2D" uid="uid://bchkncbniclhh" path="res://sprites/kamikaze.png" id="2_8ba3c"]
+
+[node name="Hull" instance=ExtResource("1_l56rl")]
+max_hp = 10.0
+velocity_collision_treshold = 150.0
+collision_damage = 10.0
+
+[node name="Sprite" parent="." index="0"]
+position = Vector2(0.5, 0.5)
+texture = ExtResource("2_8ba3c")
+
+[node name="Collision" parent="." index="1"]
+polygon = PackedVector2Array(-69.5, 21, -69.5, 66, -68.5, 66, -57.5, 55, -57.5, 65, -56.5, 65, 70.5, 1, 70.5, 0, -56.5, -64, -57.5, -64, -57.5, -54, -68.5, -65, -69.5, -65, -69.5, -20, -68.5, -20, -57.5, -31, -57.5, -23, -32.5, -10, -32.5, 11, -57.5, 24, -57.5, 32, -68.5, 21)

scenes/Ships/NPC Ships/kamikaze_ship.tscn

@@ -0,0 +1,35 @@
+[gd_scene load_steps=7 format=3 uid="uid://pev6k21vqaem"]
+
+[ext_resource type="Script" path="res://scripts/Ship/ship.gd" id="1_82bba"]
+[ext_resource type="PackedScene" uid="uid://bkd4gyhlota7l" path="res://scenes/Ships/Modules/Hulls/kamikaze_hull.tscn" id="2_165nu"]
+[ext_resource type="PackedScene" uid="uid://mw4kwxoeqch3" path="res://scenes/Ships/Modules/Engines/engine.tscn" id="3_plu72"]
+[ext_resource type="PackedScene" uid="uid://bunboi5ouscw8" path="res://scenes/Ships/Modules/Shields/shield.tscn" id="4_aos8x"]
+[ext_resource type="Script" path="res://scripts/State Machine/tree.gd" id="5_m8m3f"]
+[ext_resource type="Script" path="res://scripts/State Machine/Kamikaze/WanderingState.gd" id="6_emcj1"]
+
+[node name="KamikazeShip" type="Node2D"]
+script = ExtResource("1_82bba")
+
+[node name="HullHolder" type="Node" parent="."]
+
+[node name="Hull" parent="HullHolder" instance=ExtResource("2_165nu")]
+collision_damage = 15.0
+
+[node name="Engine" parent="." instance=ExtResource("3_plu72")]
+
+[node name="Shield" parent="." instance=ExtResource("4_aos8x")]
+max_capacity = 5
+
+[node name="Weapons" type="Node2D" parent="."]
+
+[node name="StateTree" type="Node" parent="." node_paths=PackedStringArray("state")]
+script = ExtResource("5_m8m3f")
+state = NodePath("WanderingState")
+
+[node name="WanderingState" type="Node" parent="StateTree"]
+script = ExtResource("6_emcj1")
+
+[node name="UpdateDestination" type="Timer" parent="StateTree/WanderingState"]
+wait_time = 10.0
+
+[connection signal="timeout" from="StateTree/WanderingState/UpdateDestination" to="StateTree/WanderingState" method="update_destination"]

scenes/Ships/player_ship.tscn

@@ -1,10 +1,13 @@
-[gd_scene load_steps=11 format=3 uid="uid://dok3i8u5t1ka4"]
+[gd_scene load_steps=14 format=3 uid="uid://dok3i8u5t1ka4"]
 
-[ext_resource type="PackedScene" uid="uid://bjkshql8ut6hk" path="res://scenes/Ships/ship.tscn" id="1_6x7bu"]
 [ext_resource type="Script" path="res://scripts/Ship/player_ship.gd" id="2_oqdd7"]
 [ext_resource type="Script" path="res://scripts/Ship/player_input_controller.gd" id="3_0e84a"]
+[ext_resource type="PackedScene" uid="uid://bsu4eqwdfewwi" path="res://scenes/Ships/Modules/Hulls/hull.tscn" id="3_ku5af"]
 [ext_resource type="PackedScene" uid="uid://ryy1tdrxmjav" path="res://scenes/Ships/Modules/Weapons/weapon.tscn" id="4_fy1be"]
+[ext_resource type="PackedScene" uid="uid://mw4kwxoeqch3" path="res://scenes/Ships/Modules/Engines/engine.tscn" id="4_pmbbn"]
+[ext_resource type="PackedScene" uid="uid://bunboi5ouscw8" path="res://scenes/Ships/Modules/Shields/shield.tscn" id="5_7fjpq"]
 [ext_resource type="Script" path="res://scripts/Ship/player_camera.gd" id="5_rclap"]
+[ext_resource type="Script" path="res://scripts/Ship/weapons.gd" id="6_f6fm2"]
 
 [sub_resource type="GDScript" id="GDScript_ry4sc"]
 resource_name = "money_counter"
@@ -77,20 +80,35 @@ func _process(_delta):
 	text = unformatted_text.format(format)
 "
 
-[node name="PlayerShip" instance=ExtResource("1_6x7bu")]
+[node name="PlayerShip" type="Node2D"]
+process_mode = 1
 script = ExtResource("2_oqdd7")
 
-[node name="InputController" type="Node2D" parent="." index="0"]
+[node name="InputController" type="Node2D" parent="."]
 script = ExtResource("3_0e84a")
 
-[node name="Weapon" parent="Weapons" index="0" instance=ExtResource("4_fy1be")]
+[node name="HullHolder" type="Node" parent="."]
+
+[node name="Hull" parent="HullHolder" instance=ExtResource("3_ku5af")]
+collision_mask = 3
+max_contacts_reported = 1
+contact_monitor = true
+
+[node name="Engine" parent="." instance=ExtResource("4_pmbbn")]
+
+[node name="Shield" parent="." instance=ExtResource("5_7fjpq")]
+
+[node name="Weapons" type="Node2D" parent="."]
+script = ExtResource("6_f6fm2")
+
+[node name="Weapon" parent="Weapons" instance=ExtResource("4_fy1be")]
 action_id = "primary"
 ammo_type = "Laser Energy"
 ammo_consumption = 1.0
 
-[node name="ColorableGUI" type="CanvasLayer" parent="." index="5"]
+[node name="ColorableGUI" type="CanvasLayer" parent="."]
 
-[node name="Money" type="Label" parent="ColorableGUI" index="0"]
+[node name="Money" type="Label" parent="ColorableGUI"]
 offset_left = 7.0
 offset_top = 611.0
 offset_right = 92.0
@@ -98,7 +116,7 @@ offset_bottom = 634.0
 text = "Money: %d"
 script = SubResource("GDScript_ry4sc")
 
-[node name="Velocity" type="Label" parent="ColorableGUI" index="1"]
+[node name="Velocity" type="Label" parent="ColorableGUI"]
 offset_left = 7.0
 offset_top = 688.0
 offset_right = 137.0
@@ -106,7 +124,7 @@ offset_bottom = 711.0
 text = "Velocity: %d px/s"
 script = SubResource("GDScript_vko7a")
 
-[node name="Health" type="Label" parent="ColorableGUI" index="2"]
+[node name="Health" type="Label" parent="ColorableGUI"]
 offset_left = 7.0
 offset_top = 663.0
 offset_right = 168.0
@@ -114,7 +132,7 @@ offset_bottom = 686.0
 text = "Health: {0} / {1} units"
 script = SubResource("GDScript_uoaip")
 
-[node name="Shield" type="Label" parent="ColorableGUI" index="3"]
+[node name="Shield" type="Label" parent="ColorableGUI"]
 offset_left = 8.0
 offset_top = 638.0
 offset_right = 164.0
@@ -122,7 +140,7 @@ offset_bottom = 661.0
 text = "Shield: {0} / {1} units"
 script = SubResource("GDScript_q1sx2")
 
-[node name="Ammunition" type="Label" parent="ColorableGUI" index="4"]
+[node name="Ammunition" type="Label" parent="ColorableGUI"]
 offset_left = 1060.0
 offset_top = 638.0
 offset_right = 1273.0
@@ -133,8 +151,8 @@ Rockets: {2} / {3}"
 horizontal_alignment = 2
 script = SubResource("GDScript_rrgab")
 
-[node name="NonColorableGUI" type="CanvasLayer" parent="." index="6"]
+[node name="NonColorableGUI" type="CanvasLayer" parent="."]
 
-[node name="Camera" type="Camera2D" parent="." index="7"]
+[node name="Camera" type="Camera2D" parent="."]
 zoom = Vector2(0.5, 0.5)
 script = ExtResource("5_rclap")

scenes/Star Systems/star_system_debug.tscn

@@ -1,7 +1,8 @@
-[gd_scene load_steps=4 format=3 uid="uid://crneq2enhxsw5"]
+[gd_scene load_steps=5 format=3 uid="uid://crneq2enhxsw5"]
 
 [ext_resource type="PackedScene" uid="uid://bsnrcw64qr2hr" path="res://scenes/Star Systems/star_system_template.tscn" id="1_2ai1l"]
 [ext_resource type="PackedScene" uid="uid://dk3nvl8f0v24e" path="res://scenes/base_template.tscn" id="3_m5ica"]
+[ext_resource type="PackedScene" uid="uid://pev6k21vqaem" path="res://scenes/Ships/NPC Ships/kamikaze_ship.tscn" id="4_i6rbg"]
 [ext_resource type="PackedScene" uid="uid://dok3i8u5t1ka4" path="res://scenes/Ships/player_ship.tscn" id="7_jyplv"]
 
 [node name="StarSystem" instance=ExtResource("1_2ai1l")]
@@ -12,13 +13,16 @@ height = 16384
 scroll_offset = Vector2(681.667, 317.783)
 stars_amount = 4000
 
-[node name="PlayerShip" parent="." index="3" instance=ExtResource("7_jyplv")]
+[node name="Nebula" parent="Background" index="0" node_paths=PackedStringArray("tracked_node")]
+tracked_node = NodePath("../../FactionPlayer/PlayerShip")
+color_background = Color(0.276474, 0.0962249, 0.200656, 1)
+
+[node name="PlayerShip" parent="FactionPlayer" index="0" instance=ExtResource("7_jyplv")]
 process_mode = 0
 position = Vector2(19, 10)
 
-[node name="Base" parent="." index="4" instance=ExtResource("3_m5ica")]
+[node name="Base" parent="FactionPeaceful" index="0" instance=ExtResource("3_m5ica")]
 position = Vector2(7171, -28)
 
-[node name="Nebula" parent="Background" index="0" node_paths=PackedStringArray("tracked_node")]
+[node name="KamikazeShip" parent="FactionAggressive" index="0" instance=ExtResource("4_i6rbg")]
-tracked_node = NodePath("../../PlayerShip")
+position = Vector2(687, -302)
-color_background = Color(0.276474, 0.0962249, 0.200656, 1)

scenes/Star Systems/star_system_template.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=8 format=3 uid="uid://bsnrcw64qr2hr"]
+[gd_scene load_steps=9 format=3 uid="uid://bsnrcw64qr2hr"]
 
 [ext_resource type="Script" path="res://scripts/star_system.gd" id="1_xx8w2"]
 [ext_resource type="PackedScene" uid="uid://dpggye27ln436" path="res://scenes/Star Systems/Required Scenes/star_generator.tscn" id="2_iqrn0"]
@@ -6,6 +6,7 @@
 [ext_resource type="Material" uid="uid://bawhivm5cr2w" path="res://shaders/materials/nebula_shader.tres" id="4_o0ld7"]
 [ext_resource type="Script" path="res://scripts/nebula.gd" id="5_la84n"]
 [ext_resource type="PackedScene" uid="uid://c7is7y341f6wa" path="res://scenes/Star Systems/Required Scenes/pause_controller.tscn" id="6_61vq5"]
+[ext_resource type="Script" path="res://scripts/faction.gd" id="7_wm3vi"]
 
 [sub_resource type="GDScript" id="GDScript_4yoh5"]
 resource_name = "version_label"
@@ -57,3 +58,19 @@ grow_horizontal = 2
 grow_vertical = 2
 script = ExtResource("5_la84n")
 color_background = Color(0.36, 0.18612, 0.1116, 1)
+
+[node name="FactionPlayer" type="Node" parent="."]
+script = ExtResource("7_wm3vi")
+faction = 1
+
+[node name="FactionPeaceful" type="Node" parent="."]
+script = ExtResource("7_wm3vi")
+faction = 2
+
+[node name="FactionNeutral" type="Node" parent="."]
+script = ExtResource("7_wm3vi")
+faction = 3
+
+[node name="FactionAggressive" type="Node" parent="."]
+script = ExtResource("7_wm3vi")
+faction = 4

scenes/Star.tscn

@@ -43,8 +43,9 @@ animations = [{
 }]
 
 [node name="Star" type="AnimatedSprite2D"]
-self_modulate = Color(1, 1, 1, 0.501961)
 z_index = -19
 sprite_frames = SubResource("SpriteFrames_oggfj")
 autoplay = "default"
+frame = 1
+frame_progress = 0.66336
 script = ExtResource("9_kew3k")

scripts/Ship/hull.gd

@@ -19,6 +19,8 @@ class_name Hull
 }
 ## How much speed should ship have before collision to take damage
 @export var velocity_collision_treshold: float = 200.0
+## How much damage should ship take when its velocity equals to treshold 
+@export var collision_damage: float = 20.0
 ## Current ammunition. Change this with set_ammunition
 @onready var ammunition: Dictionary = max_ammunition.duplicate()
 

scripts/Ship/ship.gd

@@ -17,7 +17,7 @@ signal destroyed
 @onready var spawn_position: Vector2 = global_position
 
 ## Faction which this ship belongs to
-var faction : Game.Faction = Game.Faction.Player
+var faction : Game.Faction
 
 func _ready() -> void:
 	hull.global_position = global_position

scripts/State Machine/Kamikaze/WanderingState.gd

@@ -0,0 +1,52 @@
+extends State
+
+@onready var ship = get_parent().get_parent()
+@onready var star_system = get_tree().current_scene
+
+@onready var update_timer = $UpdateDestination
+## Ship will strive to achieve this angle
+var destination_degrees: float = 0:
+	set(value):
+		if value > 180:
+			destination_degrees = value - 360
+		elif value < -180:
+			destination_degrees = 360 + value
+		else:
+			destination_degrees = value
+## Delta to destination_degrees
+var destination_difference: float = 15.0
+## available map bounds (use with absolute position)
+var available_bounds: Vector2
+
+func _ready():
+	available_bounds = Vector2(star_system.width / 2, star_system.height / 2)
+	randomize()
+
+func enter(_message):
+	update_timer.start()
+	update_destination()
+
+func process(_delta):
+	# checking if need to apply torque
+	var current_destination_difference = destination_degrees - ship.hull.global_rotation_degrees
+	var rotation_sign = sign(current_destination_difference)
+	if current_destination_difference < 0:
+		current_destination_difference = 180 - current_destination_difference
+	if current_destination_difference > 180:
+		current_destination_difference -= 180
+	if abs(current_destination_difference) > destination_difference:
+		ship.engine.rotation_axis = rotation_sign * (current_destination_difference / 180)
+	else:
+		ship.engine.rotation_axis = 0.0
+	# making ship always accelerate
+	ship.engine.acceleration_axis = 1.0
+	# if ship is out of star system bounds, set destination angle to center
+	if abs(ship.global_position.x) > available_bounds.x or abs(ship.global_position.y) > available_bounds.y:
+		destination_degrees = rad_to_deg(ship.global_position.angle_to_point(Vector2.ZERO))
+
+func exit():
+	update_timer.stop()
+
+## Set new random direction
+func update_destination():
+	destination_degrees += randi_range(-180, 180)

scripts/State Machine/state.gd

@@ -0,0 +1,20 @@
+extends Node
+
+class_name State
+
+var tree : StateTree
+
+func enter(_message : Dictionary):
+	pass
+
+func exit():
+	pass
+
+func process(_delta):
+	pass
+
+func physics_process(_delta):
+	pass
+
+func input(_message : Dictionary):
+	pass

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

scripts/faction.gd

@@ -0,0 +1,11 @@
+extends Node
+
+class_name FactionNode
+
+## Faction that is represented with this node
+@export var faction: Game.Faction
+
+func _ready():
+	for child in get_children():
+		if "faction" in child:
+			child.faction = faction

scripts/objects/Star.gd

@@ -8,3 +8,4 @@ func _ready():
 	speed_scale = randf_range(0, 2)
 	var colors = [Color.LIGHT_BLUE, Color.WHITE, Color.LIGHT_GOLDENROD, Color.YELLOW, Color.ORANGE, Color.ORANGE_RED, Color.RED]
 	modulate = colors.pick_random()
+	modulate.a = randf_range(0.5, 1)

sprites/kamikaze.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bchkncbniclhh"
+path="res://.godot/imported/kamikaze.png-a9865d0191d172f866fc5dbf442fac7a.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://sprites/kamikaze.png"
+dest_files=["res://.godot/imported/kamikaze.png-a9865d0191d172f866fc5dbf442fac7a.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1