init

enemies/scripts/states/enemy_state.gd

@@ -0,0 +1,20 @@
+class_name EnemyState extends Node
+
+var enemy: Enemy
+var state_machine: EnemyStateMachine
+
+func init() -> void:
+	pass
+
+func enter() -> void:
+	pass
+
+func exit() -> void:
+	pass
+
+func process(_delta : float) -> EnemyState:
+	return null
+
+func physics(_delta : float) -> EnemyState:
+	return null
+

enemies/scripts/states/enemy_state.gd.uid

@@ -0,0 +1 @@
+uid://u7qy2i6rutqr

enemies/scripts/states/enemy_state_chase.gd

@@ -0,0 +1,58 @@
+class_name EnemyChaseWander extends EnemyState
+
+@export var animation_name: String = "chase"
+@export var chase_speed: float = 20.0
+@export var turn_rate: float = 0.25
+
+@export_category("AI")
+@export var vision_area: VisionArea
+@export var attack_area: Hurtbox
+@export var state_aggro_duration: float = 0.5
+@export var next_state: EnemyState
+
+var timer: float = 0.0
+var direction: Vector2
+var can_see_player := false
+
+func init() -> void:
+	if vision_area:
+		vision_area.player_entered.connect(on_player_entered)
+		vision_area.player_exited.connect(on_player_exited)
+
+func enter() -> void:
+	timer = state_aggro_duration
+	enemy.update_animation(animation_name)
+	if attack_area:
+		attack_area.monitoring = true
+
+func exit() -> void:
+	if attack_area:
+		attack_area.monitoring = true
+	can_see_player = false
+
+func process(delta : float) -> EnemyState:
+	var new_dir: Vector2 = enemy.global_position.direction_to(PlayerManager.player.global_position)
+	direction = lerp(direction, new_dir, turn_rate)
+	enemy.velocity = direction * chase_speed
+	if enemy.set_direction(direction):
+		enemy.update_animation(animation_name)
+	if !can_see_player:
+		timer -= delta
+		if timer <= 0:
+			return next_state
+	else:
+		timer = state_aggro_duration
+	return null
+
+
+func physics(_delta : float) -> EnemyState:
+	return null
+
+func on_player_entered() -> void:
+	can_see_player = true
+	if state_machine.current_state is EnemyStateStun:
+		return
+	state_machine.change_state(self)
+
+func on_player_exited() -> void:
+	can_see_player = false

enemies/scripts/states/enemy_state_chase.gd.uid

@@ -0,0 +1 @@
+uid://dmcmplui6od1k

enemies/scripts/states/enemy_state_destroy.gd

@@ -0,0 +1,64 @@
+
+class_name EnemyStateDestroy extends EnemyState
+
+const PICKUP: Resource = preload("res://items/item_pickup/item_pickup.tscn")
+
+@export var animation_name: String = "destroy"
+@export var knockback_speed: float = 200.0
+@export var decelerate_speed: float = 10.0
+@export_category("Item drops")
+@export var drops: Array[DropData]
+
+var direction: Vector2
+var damage_position: Vector2
+
+func init() -> void:
+	enemy.enemy_destroyed.connect(on_destroyed)
+
+func enter() -> void:
+	enemy.invulnerable = true
+	enemy.animation_player.animation_finished.connect(on_animation_finished)
+	direction = enemy.global_position.direction_to(damage_position)
+	enemy.update_animation(animation_name)
+	enemy.set_direction(direction)
+	enemy.velocity = direction * -knockback_speed
+	disable_hurtbox()
+	drop_items()
+
+func exit() -> void:
+	enemy.invulnerable = false
+	enemy.animation_player.animation_finished.disconnect(on_animation_finished)
+
+func process(delta : float) -> EnemyState:
+	enemy.velocity -= enemy.velocity * decelerate_speed * delta
+	return null
+
+func physics(_delta : float) -> EnemyState:
+	return null
+
+func on_destroyed(hurtbox: Hurtbox) -> void:
+	state_machine.change_state(self)
+	damage_position = hurtbox.global_position
+
+func on_animation_finished(_name: String) -> void:
+	print("destroyed")
+	enemy.queue_free()
+
+func disable_hurtbox() -> void:
+	var hurtbox: Hurtbox = enemy.get_node_or_null("Hurtbox")
+	if hurtbox:
+		hurtbox.monitoring = false
+
+func drop_items() -> void:
+	if drops.is_empty():
+		return
+	for drops_index in drops.size():
+		var drop_item := drops[drops_index]
+		if drop_item and drop_item.item:
+			var drop_count := drop_item.get_drop_count()
+			for drop_index in drop_count:
+				var item_pickup := PICKUP.instantiate() as ItemPickup
+				item_pickup.item_data = drop_item.item
+				enemy.get_parent().call_deferred("add_child", item_pickup)
+				item_pickup.global_position = enemy.global_position
+				item_pickup.velocity = enemy.velocity.rotated(randf_range(-1.5, 1.5)) * randf_range(0.9, 1.5)

enemies/scripts/states/enemy_state_destroy.gd.uid

@@ -0,0 +1 @@
+uid://qn1vn11fqgui

enemies/scripts/states/enemy_state_idle.gd

@@ -0,0 +1,30 @@
+class_name EnemyStateIdle extends EnemyState
+
+@export var animation_name: String = "idle"
+
+@export_category("AI")
+@export var state_duration_min: float = 0.5
+@export var state_duration_max: float = 1.5
+@export var next_state: EnemyState
+
+var timer: float = 0.0
+
+func init() -> void:
+	pass
+
+func enter() -> void:
+	enemy.velocity = Vector2.ZERO
+	timer = randf_range(state_duration_min, state_duration_max)
+	enemy.update_animation(animation_name)
+
+func exit() -> void:
+	pass
+
+func process(delta : float) -> EnemyState:
+	timer -= delta
+	if timer <= 0:
+		return next_state
+	return null
+
+func physics(_delta : float) -> EnemyState:
+	return null

enemies/scripts/states/enemy_state_idle.gd.uid

@@ -0,0 +1 @@
+uid://t2wl0iif703e

enemies/scripts/states/enemy_state_stun.gd

@@ -0,0 +1,44 @@
+class_name EnemyStateStun extends EnemyState
+
+@export var animation_name: String = "stun"
+@export var knockback_speed: float = 200.0
+@export var decelerate_speed: float = 10.0
+
+@export_category("AI")
+@export var next_state: EnemyState
+
+var direction: Vector2
+var damage_position: Vector2
+var animation_finished: bool = false
+
+func init() -> void:
+	enemy.enemy_damaged.connect(on_damaged)
+
+func enter() -> void:
+	enemy.animation_player.animation_finished.connect(on_animation_finished)
+	enemy.invulnerable = true
+	animation_finished = false
+	direction = enemy.global_position.direction_to(damage_position)
+	enemy.update_animation(animation_name)
+	enemy.set_direction(direction)
+	enemy.velocity = direction * -knockback_speed
+
+func exit() -> void:
+	enemy.invulnerable = false
+	enemy.animation_player.animation_finished.disconnect(on_animation_finished)
+
+func process(delta : float) -> EnemyState:
+	if animation_finished:
+		return next_state
+	enemy.velocity -= enemy.velocity * decelerate_speed * delta
+	return null
+
+func physics(_delta : float) -> EnemyState:
+	return null
+
+func on_damaged(hurtbox: Hurtbox) -> void:
+	damage_position = hurtbox.global_position
+	state_machine.change_state(self)
+
+func on_animation_finished(_name: String) -> void:
+	animation_finished = true

enemies/scripts/states/enemy_state_stun.gd.uid

@@ -0,0 +1 @@
+uid://b6sf2nm67yulk

enemies/scripts/states/enemy_state_wander.gd

@@ -0,0 +1,38 @@
+class_name EnemyStateWander extends EnemyState
+
+@export var animation_name: String = "walk"
+@export var wander_speed: float = 20.0
+
+@export_category("AI")
+@export var state_animation_duration: float = 0.7
+@export var state_cycles_min: int = 1
+@export var state_cycles_max: int = 3
+@export var next_state: EnemyState
+
+var timer: float = 0.0
+var direction: Vector2
+
+func init() -> void:
+	pass
+
+func enter() -> void:
+	timer = randi_range(state_cycles_min, state_cycles_max) * state_animation_duration
+	var random_direction = randi_range(0, 3)
+	direction = enemy.DIR_4[random_direction]
+	enemy.velocity = direction * wander_speed
+	enemy.set_direction(direction)
+	enemy.update_animation(animation_name)
+
+func exit() -> void:
+	pass
+
+func process(delta : float) -> EnemyState:
+	timer -= delta
+	if timer <= 0:
+		return next_state
+	return null
+
+
+func physics(_delta : float) -> EnemyState:
+	return null
+

enemies/scripts/states/enemy_state_wander.gd.uid

@@ -0,0 +1 @@
+uid://dqiqly265lt0u