203 lines
6.6 KiB
GDScript
203 lines
6.6 KiB
GDScript
class_name Player
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extends CharacterBody2D
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signal health_changed(value: float)
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signal dead()
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const MAX_HEALTH = 100.0
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const CAMERA_OFFSET_FACTOR = 0.4
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const CAMERA_OFFSET_TIME = 1.0
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@export_group("Movement", "move")
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@export_range(0.0, 1000.0) var move_max_speed_normal := 350
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@export_range(0.0, 1000.0) var move_max_speed_slowed := 150
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@export_range(0.0, 1000.0) var move_acceleration := 750.0
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@export_group("Jump", "jump")
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@export_range(0.0, 1000.0) var jump_max_fall_speed := 1000
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@export_range(0.0, 1000.0) var jump_floor_velocity := 500.0
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@export var jump_wall_velocity := Vector2(500, 500)
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@export_group("Gravity factors", "gravity_factor")
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@export_range(0.0, 2.0) var gravity_factor_jump := 1.0
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@export_range(0.0, 2.0) var gravity_factor_fall := 1.5
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@export_range(0.0, 2.0) var gravity_factor_slide := 0.1
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@export_range(0.0, 1.0) var gravity_factor_passive_jump := 0.5
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@export_group("Attack slow down", "slow_down")
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@export_range(0.0, 1000.0) var slow_down_attack := 0.05
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@export_range(0.0, 1000.0) var slow_down_sustain := 0.30
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@export_range(0.0, 1000.0) var slow_down_release := 0.15
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var _slow_down_tween: Tween
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var _camera_offset_tween: Tween
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var _last_wall_normal: = 0.0
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var _current_health: = MAX_HEALTH:
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set(value):
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_current_health = value
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health_changed.emit(_current_health)
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@onready var player_sprite : AnimatedSprite2D = $PlayerSprite
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@onready var blade_sprite : AnimatedSprite2D = $BladeSprite
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@onready var left_attack_sprite : AnimatedSprite2D = $LeftAttackSprite
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@onready var right_attack_sprite : AnimatedSprite2D = $RightAttackSprite
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@onready var left_attack_area : Area2D = $LeftAttackArea
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@onready var right_attack_area : Area2D = $RightAttackArea
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@onready var camera : Camera2D = $Camera2D
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@onready var state_machine : StateMachine = $StateMachine
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@onready var jump_buffer_timer : Timer = $JumpBufferTimer
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@onready var floor_coyote_time_timer : Timer = $FloorCoyoteTimeTimer
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@onready var wall_coyote_time_timer : Timer = $WallCoyoteTimeTimer
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@onready var wall_attach_timer : Timer = $WallAttachTimer
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@onready var attack_buffer_timer : Timer = $AttackBufferTimer
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@onready var attack_cooldown_timer : Timer = $AttackCooldownTimer
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@onready var wall_left_particles : GPUParticles2D = $WallLeftParticles
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@onready var wall_right_particles : GPUParticles2D = $WallRightParticles
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@onready var _max_speed := move_max_speed_normal
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func _ready() -> void:
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state_machine.init()
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for sprite : AnimatedSprite2D in [ left_attack_sprite, right_attack_sprite ]:
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var lambda := func() -> void:
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sprite.hide()
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if not is_zero_approx(velocity.x):
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blade_sprite.show()
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sprite.animation_finished.connect(lambda)
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sprite.hide()
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func _physics_process(delta: float) -> void:
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if is_on_floor():
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floor_coyote_time_timer.start()
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_last_wall_normal = 0.0
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if is_on_ceiling_only() and velocity.y < 0.0:
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velocity.y = 0.0
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var input_direction := Input.get_axis("move_left", "move_right")
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if Input.is_action_just_pressed("jump"):
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jump_buffer_timer.start()
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if not is_on_floor():
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var gravity_factor := gravity_factor_jump if velocity.y < 0.0 else gravity_factor_fall
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if is_on_wall_only() and not is_zero_approx(input_direction):
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var wall_normal := get_wall_normal().x
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if (wall_normal * input_direction) < 0.0:
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wall_coyote_time_timer.start()
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if sign(wall_normal) != sign(_last_wall_normal):
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wall_attach_timer.start()
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velocity.y = 0.0
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_last_wall_normal = wall_normal
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if not Input.is_action_pressed("move_down") and velocity.y > 0.0:
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gravity_factor = gravity_factor_slide if wall_attach_timer.is_stopped() else 0.0
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if velocity.y < 0.0 and not Input.is_action_pressed("jump"):
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velocity.y *= gravity_factor_passive_jump
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velocity += get_gravity() * gravity_factor * delta
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velocity.y = clampf(velocity.y, -jump_max_fall_speed, jump_max_fall_speed)
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if not jump_buffer_timer.is_stopped():
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if not floor_coyote_time_timer.is_stopped():
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velocity.y = -jump_floor_velocity
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jump_buffer_timer.stop()
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floor_coyote_time_timer.stop()
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SoundManager.play_sfx_stream(SoundManager.sfx_stream_jump, global_position)
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elif not wall_coyote_time_timer.is_stopped():
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velocity = -jump_wall_velocity
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velocity.x *= -_last_wall_normal
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jump_buffer_timer.stop()
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wall_coyote_time_timer.stop()
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SoundManager.play_sfx_stream(SoundManager.sfx_stream_wall_jump, global_position)
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if input_direction:
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var input_velocity := input_direction * _max_speed
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velocity.x = move_toward(velocity.x, input_velocity, move_acceleration * delta)
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else:
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velocity.x = move_toward(velocity.x, 0, move_acceleration * delta)
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if not attack_buffer_timer.is_stopped():
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if _can_attack():
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_attack()
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attack_buffer_timer.stop()
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move_and_slide()
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state_machine.physics_process(delta)
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if _camera_offset_tween and _camera_offset_tween.is_running():
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_camera_offset_tween.kill()
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_camera_offset_tween = create_tween()
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var new_camera_position := Vector2(velocity.x * CAMERA_OFFSET_FACTOR, 0)
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_camera_offset_tween.tween_property(camera, "position", new_camera_position, CAMERA_OFFSET_TIME)
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func _input(event: InputEvent) -> void:
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if event.is_action_pressed("attack"):
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if _can_attack():
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_attack()
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else:
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attack_buffer_timer.start()
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func deal_damage(value: float) -> void:
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_current_health -= value
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health_changed.emit(_current_health)
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if _current_health < 0.0 or is_zero_approx(_current_health):
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dead.emit()
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func _can_attack() -> bool:
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if not attack_cooldown_timer.is_stopped():
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return false
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if is_on_wall() and is_on_floor() or is_zero_approx(velocity.x):
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return false
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return true
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func _attack() -> void:
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attack_cooldown_timer.start()
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var is_left := velocity.x <= 0.0
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var sprite := left_attack_sprite if is_left else right_attack_sprite
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var attack_area := left_attack_area if is_left else right_attack_area
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sprite.show()
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attack_area.monitoring = true
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blade_sprite.hide()
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sprite.play("attack")
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SoundManager.play_sfx_stream(SoundManager.sfx_stream_swing, global_position)
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_max_speed = move_max_speed_normal
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_slow_down_tween = create_tween()
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_slow_down_tween.tween_property(self, "_max_speed", move_max_speed_slowed, slow_down_attack)
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_slow_down_tween.tween_property(self, "_max_speed", move_max_speed_slowed, slow_down_sustain)
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_slow_down_tween.tween_property(self, "_max_speed", move_max_speed_normal, slow_down_release)
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_slow_down_tween.tween_property(sprite, "visible", false, 0.0)
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func _on_attack_area_entered(area: Area2D) -> void:
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if area is TurretProjectile:
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area.queue_free()
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func _on_left_attack_sprite_animation_finished() -> void:
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left_attack_area.monitoring = false
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func _on_right_attack_sprite_animation_finished() -> void:
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right_attack_area.monitoring = false
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