112 lines
2.6 KiB
GDScript
112 lines
2.6 KiB
GDScript
class_name Player extends Node3D
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#region variables
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@export_group("References")
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@export var _keyboard: GameKeyboard
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@export_group("Animation")
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@export_subgroup("Moving")
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@export var _move_duration: float = 0.1
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@export var _move_hop_height: float = 1
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var _current_key: GameKey
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var _starting_keycode: Key = KEY_H
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var _rotation: Quaternion
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var _move_timer: float
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var _is_moving: bool
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var _prev_pos: Vector3
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#endregion
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#region builtins
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func _ready() -> void:
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_keyboard.key_press_changed.connect(_on_keyboard_key_press_changed)
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_current_key = _keyboard.request_key_by_keycode(_starting_keycode)
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if _current_key:
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global_transform = _current_key.player_pos_marker.global_transform
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_keyboard.emit_player_key_change(_current_key)
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func _process(delta: float) -> void:
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_animate(delta)
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#endregion
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#region movement
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func _move(game_key: GameKey) -> void:
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var look_from := _current_key.player_pos_marker.transform * _current_key.transform
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var look_target := game_key.player_pos_marker.transform * game_key.transform
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look_target.origin.y = look_from.origin.y
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var looking := look_from.looking_at(look_target.origin, Vector3.UP, true)
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_rotation = (looking.basis.get_rotation_quaternion())
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_prev_pos = _current_key.player_pos_marker.global_position
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_move_timer = _move_duration
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if _is_moving:
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_finish_move(true)
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_is_moving = true
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_current_key = game_key
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_keyboard.emit_player_key_change(game_key)
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#endregion
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#region animation
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func _animate(delta: float) -> void:
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if not _current_key:
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return
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if _move_timer <= 0:
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if _is_moving:
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_is_moving = false
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_finish_move(false)
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global_position = _animate_position()
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else:
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_move_timer -= delta
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var lerp_value := 1 - (_move_timer / _move_duration)
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global_position = lerp(_prev_pos, _animate_position(), lerp_value)
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var hop_value := 1 - absf(lerp_value * 2 - 1)
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hop_value = 1 - pow(1 - hop_value, 3)
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global_position.y += hop_value * _move_hop_height
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global_rotation = _animate_rotation()
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func _animate_position() -> Vector3:
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return _current_key.player_pos_marker.global_position
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func _animate_rotation() -> Vector3:
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var rotation_translate := (
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_current_key.get_default_transform().inverse()
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* _current_key.player_pos_marker.global_transform
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)
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return (
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(_rotation * (rotation_translate.basis.get_rotation_quaternion())).get_euler()
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)
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func _finish_move(_interrupted: bool) -> void:
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_keyboard.emit_player_finished_move(_current_key)
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#endregion
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#region event handlers
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func _on_keyboard_key_press_changed(game_key: GameKey, event: InputEventKey) -> void:
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if (
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event.is_pressed()
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and _current_key
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and KeyAdjacency.is_adjacent(_current_key, game_key)
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):
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_move(game_key)
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#endregion
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