initial work on sg2083 controls

objects/enemy/boss/sg2083.gd

@@ -1,20 +1,59 @@
 extends Node2D
 
-const Bullet = preload("res://objects/enemy/2600_bullet.tscn")
 
-export var shot_speed: float = 50
-export var fire_rate: float = 1
+enum State {STAND, FORWARD, BACK, DUCK, BEAM}
+
+const Bullet = preload("res://objects/enemy/2600_bullet.tscn")
+const SmallExplosion = preload("res://objects/enemy/boss/2600_small_explosion.tscn")
+
+
+export var shot_speed: float = 50.0
+export var move_speed: float = 30.0
+export var safe_from_breath: bool = false
+export var make_explosions: bool = false
+export var explosion_rect: Rect2
+
+
+var state: int = State.STAND
+
 
 onready var bullet_positions = $"%BulletPositions"
-onready var shoot_timer = $ShootTimer
-onready var anims = $AnimationPlayer
+onready var anims: AnimationPlayer = $"%AnimationPlayer"
 onready var head_sprite = $"%Head"
 
-func _input(event):
-	if Input.is_action_pressed("shoot"):
-		shoot()
 
-func shoot():
+func _physics_process(delta: float) -> void:
+	match state:
+		State.STAND:
+			if Input.is_action_pressed("move_down"):
+				state = State.DUCK
+				anims.play("Duck")
+			elif Input.is_action_pressed("move_right"):
+				state = State.FORWARD
+				anims.play("Walk")
+			elif Input.is_action_pressed("move_left"):
+				state = State.BACK
+				anims.play("Walk", -1.0, -1.0, true)
+		State.DUCK:
+			if not Input.is_action_pressed("move_down") and anims.current_animation.empty():
+				anims.play("UnDuck")
+		State.FORWARD:
+			position.x += move_speed * delta
+		State.BACK:
+			position.x -= move_speed * delta
+
+
+func _input(event: InputEvent) -> void:
+	
+	if event.is_action_pressed("shoot") and (state == State.STAND or state == State.FORWARD or state == State.BACK):
+		shoot()
+	if event.is_action_pressed("jump") and state == State.STAND:
+		beam()
+	if event.is_action_pressed("move_up"):
+		anims.play("die")
+
+
+func shoot() -> void:
 	Audio.play_sound(Audio.a_bullet_barrage,Audio.ac_boss)
 	for pos in bullet_positions.get_children():
 		var bullet = Bullet.instance()
@@ -22,4 +61,48 @@ func shoot():
 		bullet.direction = Vector2.LEFT.rotated(pos.rotation)
 		bullet.speed = shot_speed
 		get_parent().add_child(bullet)
-		shoot_timer.wait_time = fire_rate
+
+
+func beam() -> void:
+	state = State.BEAM
+	anims.play("Beam")
+
+
+func _play_laser_sound(play: bool):
+	if play:
+		Audio.play_sound(Audio.a_rainbow_laser,Audio.ac_boss)
+	else:
+		Audio.ac_boss.playing = false
+
+
+func _play_charge_sound(play: bool):
+	if play:
+		Audio.play_sound(Audio.a_2600_charge,Audio.ac_boss)
+	else:
+		Audio.ac_boss.playing = false
+
+
+func _spawn_explosions() -> void:
+	while make_explosions:
+		yield(get_tree().create_timer(randf() * 0.5, false), "timeout")
+		var explosion = SmallExplosion.instance()
+		explosion.position = Vector2(
+			rand_range(explosion_rect.position.x, explosion_rect.end.x),
+			rand_range(explosion_rect.position.y, explosion_rect.end.y)
+		)
+		add_child(explosion)
+
+
+func _on_animation_finished(anim_name: String) -> void:
+	match anim_name:
+		"UnDuck":
+			state = State.STAND
+		"Walk":
+			if state == State.FORWARD and Input.is_action_pressed("move_right"):
+				anims.play("Walk")
+			elif state == State.BACK and Input.is_action_pressed("move_left"):
+				anims.play("Walk", -1.0, -1.0, true)
+			else:
+				state = State.STAND
+		"Beam":
+			state = State.STAND