70 lines
2.2 KiB
GDScript
70 lines
2.2 KiB
GDScript
class_name Enemy extends Unit
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@export var player: Player
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@export var chasing_range := 30.0
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@export var attack_range := 3.0
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@export var attacks := ["Unarmed_Melee_Attack_Punch_A", "Unarmed_Melee_Attack_Punch_B", "Unarmed_Melee_Attack_Kick"]
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@onready var nav_agent: NavigationAgent3D = $NavigationAgent3D
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func _ready() -> void:
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health = maximum_health
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stamina = maximum_stamina
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state_changed.connect(_on_state_changed)
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func _physics_process(_delta: float) -> void:
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if state == States.dead or player == null:
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return
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if player.state == States.dead:
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state = States.idle
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return
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var distance: float = global_position.distance_to(player.global_position)
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if distance > chasing_range:
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state = States.idle
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elif distance <= chasing_range and distance >= attack_range:
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state = States.chasing
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elif distance <= attack_range:
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state = States.attacking
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nav_agent.set_target_position(player.position)
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if nav_agent.is_navigation_finished() or nav_agent.is_target_reached():
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return
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move_and_slide()
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func _on_state_changed(_old_state: States, new_state: States) -> void:
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#if new_state == _old_state:
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#return
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name_changed.emit(unit_name, States.keys()[new_state])
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print("Enemy changed state from " + str(_old_state) + " to " + str(new_state))
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match new_state:
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#States.idle:
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# TODO: Random movement
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#_on_velocity_computed(Vector3.ZERO)
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States.chasing:
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print("Player position: ", player.position)
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var next_path_position: Vector3 = nav_agent.get_next_path_position()
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print("Next path position: ", next_path_position)
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print("Global position: ", global_position)
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model.look_at(next_path_position)
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var direction = global_position.direction_to(next_path_position)
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velocity = Vector3(direction.x, 0, direction.z).normalized() * speed
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var vy: float = direction.y
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velocity.y = 0
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var vl: Vector3 = velocity * model.transform.basis
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var iwr := Vector2(vl.x, -vl.z) / speed
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anim_tree.set("parameters/IWR/blend_position", iwr)
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velocity.y = vy
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print("velocity = ", velocity)
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States.attacking:
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if enough_stamina_available(attack_cost):
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use_stamina(attack_cost)
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if attacks.size() > 0:
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anim_state.travel(attacks.pick_random())
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States.dead:
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player.gold += 100
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