Station 0 Dev
342175f4c3
Includes full design documentation (ARCHITECTURE, DESIGN_NOTES, CONTENT_SPEC, PRODUCTION_NOTES) and active Godot 4 / GDScript codebase. Core systems built: player, floor generation, room system, enemy base, body part upgrades, run manager, save system, HUD, EventBus.
111 lines
4.0 KiB
GDScript
111 lines
4.0 KiB
GDScript
extends CharacterBody2D
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# ---------------------------------------------------------------------------
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# Node refs
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# ---------------------------------------------------------------------------
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@onready var stats: Node = $Stats
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@onready var body: Node2D = $Body
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@onready var shoot_origin: Marker2D = $ShootOrigin
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const PROJECTILE = preload("res://scenes/player/projectile.tscn")
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const IFRAME_DURATION := 0.8
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var _shoot_timer: float = 0.0
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var _iframe_timer: float = 0.0
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func _ready() -> void:
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add_to_group("player")
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# ---------------------------------------------------------------------------
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# Physics
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# ---------------------------------------------------------------------------
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func _physics_process(delta: float) -> void:
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_handle_movement()
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_handle_shooting(delta)
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_handle_iframes(delta)
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move_and_slide()
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# ---------------------------------------------------------------------------
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# Movement — WASD, 8-directional (direct key checks, no input map needed)
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# ---------------------------------------------------------------------------
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func _handle_movement() -> void:
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var input_dir := Vector2.ZERO
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if Input.is_physical_key_pressed(KEY_W): input_dir.y -= 1
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if Input.is_physical_key_pressed(KEY_S): input_dir.y += 1
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if Input.is_physical_key_pressed(KEY_A): input_dir.x -= 1
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if Input.is_physical_key_pressed(KEY_D): input_dir.x += 1
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if input_dir.length() > 1.0:
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input_dir = input_dir.normalized()
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velocity = input_dir * stats.speed
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if input_dir.x != 0.0:
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body.scale.x = sign(input_dir.x)
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# ---------------------------------------------------------------------------
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# Shooting — Arrow keys via built-in ui_ actions (always available in Godot)
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# ---------------------------------------------------------------------------
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func _handle_shooting(delta: float) -> void:
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_shoot_timer = maxf(_shoot_timer - delta, 0.0)
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var shoot_dir := Vector2.ZERO
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if Input.is_action_pressed("ui_up"):
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shoot_dir = Vector2.UP
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elif Input.is_action_pressed("ui_down"):
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shoot_dir = Vector2.DOWN
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elif Input.is_action_pressed("ui_left"):
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shoot_dir = Vector2.LEFT
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elif Input.is_action_pressed("ui_right"):
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shoot_dir = Vector2.RIGHT
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if shoot_dir != Vector2.ZERO and _shoot_timer == 0.0:
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_fire(shoot_dir)
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_shoot_timer = 1.0 / stats.fire_rate
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func _fire(direction: Vector2) -> void:
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if stats.scatter_count <= 1:
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_spawn_projectile(direction)
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else:
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var spread := deg_to_rad(stats.scatter_spread_deg)
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var step := spread / float(stats.scatter_count - 1)
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var start := direction.angle() - spread / 2.0
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for i in stats.scatter_count:
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_spawn_projectile(Vector2.from_angle(start + step * i))
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func _spawn_projectile(dir: Vector2) -> void:
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var proj: Area2D = PROJECTILE.instantiate()
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proj.global_position = shoot_origin.global_position
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proj.direction = dir
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proj.damage = stats.damage
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proj.max_range = stats.range_
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proj.ricochet = stats.ricochet
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proj.explosive = stats.explosive
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proj.explosion_radius = stats.explosion_radius
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proj.explosion_damage = stats.explosion_damage
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get_parent().add_child(proj)
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# ---------------------------------------------------------------------------
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# Iframes — flash body during invincibility
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# ---------------------------------------------------------------------------
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func _handle_iframes(delta: float) -> void:
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if _iframe_timer <= 0.0:
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body.modulate = Color(1, 1, 1, 1)
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return
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_iframe_timer -= delta
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# Visible flash every 0.1s
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body.modulate = Color(1, 1, 1, 0.25) if fmod(_iframe_timer, 0.2) < 0.1 else Color(1, 1, 1, 1)
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# ---------------------------------------------------------------------------
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# Damage / death
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# ---------------------------------------------------------------------------
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func take_damage(amount: float) -> void:
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if _iframe_timer > 0.0:
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return
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stats.current_health -= amount
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_iframe_timer = IFRAME_DURATION
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EventBus.player_health_changed.emit(stats.current_health, stats.max_health)
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if stats.current_health <= 0.0:
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_die()
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func _die() -> void:
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RunManager.end_run(false)
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