Initial commit — Station 0 vertical slice in progress
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.
This commit is contained in:
Station 0 Dev
@@ -0,0 +1,195 @@
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extends CanvasLayer
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# ---------------------------------------------------------------------------
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# Heart geometry — two polygons per slot: background (dark) + fill (red)
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# ---------------------------------------------------------------------------
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# Full heart, centered at origin, ~40 wide x 36 tall
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var HEART_FULL := PackedVector2Array([
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Vector2( 0, 18), Vector2(-15, 3), Vector2(-20, -6),
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Vector2(-15, -15), Vector2(-6, -18), Vector2(-2, -14),
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Vector2( 0, -11),
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Vector2( 2, -14), Vector2( 6, -18), Vector2(15, -15),
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Vector2( 20, -6), Vector2(15, 3),
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])
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# Left half only — used for the half-heart fill
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var HEART_HALF := PackedVector2Array([
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Vector2( 0, 18), Vector2(-15, 3), Vector2(-20, -6),
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Vector2(-15, -15), Vector2(-6, -18), Vector2(-2, -14),
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Vector2( 0, -11),
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])
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const FULL_COLOR := Color(0.90, 0.10, 0.10) # bright red
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const EMPTY_COLOR := Color(0.18, 0.04, 0.04) # dark maroon (background)
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const HEART_SPACING := 52 # px between heart centers
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const ORIGIN := Vector2(32, 32) # center of first heart (screen px)
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# ---------------------------------------------------------------------------
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# Boss bar
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# ---------------------------------------------------------------------------
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const BOSS_BAR_W := 400.0
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const BOSS_BAR_H := 18.0
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const BOSS_BAR_POS := Vector2(280.0, 490.0) # top-left corner (960×540 viewport)
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# ---------------------------------------------------------------------------
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# State
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# ---------------------------------------------------------------------------
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# Each entry: { "bg": Polygon2D, "fill": Polygon2D }
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var _slots: Array = []
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var _credits_label: Label
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# Boss bar nodes (null when not active)
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var _boss_bar_root: Node2D = null
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var _boss_bar_fill: Polygon2D = null
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var _boss_bar_label: Label = null
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var _boss_max_hp: float = 1.0
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# ---------------------------------------------------------------------------
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# Boot
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# ---------------------------------------------------------------------------
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func _ready() -> void:
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EventBus.player_health_changed.connect(_on_health_changed)
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EventBus.credits_changed.connect(_on_credits_changed)
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EventBus.boss_health_changed.connect(_on_boss_health_changed)
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EventBus.boss_died.connect(_on_boss_died)
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_build_credits_label()
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# Initialise once the scene is fully set up
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call_deferred("_init_from_player")
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func _init_from_player() -> void:
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var p = get_tree().get_first_node_in_group("player")
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if p:
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_rebuild(p.stats.max_health, p.stats.current_health)
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else:
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_rebuild(6.0, 6.0)
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# ---------------------------------------------------------------------------
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# Build / rebuild all heart slots
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# ---------------------------------------------------------------------------
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func _rebuild(max_hp: float, current_hp: float) -> void:
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for slot in _slots:
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slot["bg"].queue_free()
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slot["fill"].queue_free()
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_slots.clear()
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var num_hearts := int(max_hp / 2.0)
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for i in num_hearts:
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var center := ORIGIN + Vector2(i * HEART_SPACING, 0)
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# Background — always visible, shows the "empty" container
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var bg := Polygon2D.new()
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bg.polygon = HEART_FULL
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bg.color = EMPTY_COLOR
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bg.position = center
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add_child(bg)
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# Fill — overlaid on top; polygon shape changes per fill level
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var fill := Polygon2D.new()
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fill.polygon = HEART_FULL
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fill.color = FULL_COLOR
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fill.position = center
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add_child(fill)
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_slots.append({"bg": bg, "fill": fill})
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_update_display(current_hp)
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# ---------------------------------------------------------------------------
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# Update fill polygons to reflect current health
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# ---------------------------------------------------------------------------
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func _update_display(current_hp: float) -> void:
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for i in _slots.size():
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var fill: Polygon2D = _slots[i]["fill"]
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var hp_in_slot := current_hp - i * 2.0
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if hp_in_slot >= 2.0:
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fill.polygon = HEART_FULL
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fill.visible = true
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elif hp_in_slot >= 1.0:
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fill.polygon = HEART_HALF
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fill.visible = true
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else:
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fill.visible = false
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# ---------------------------------------------------------------------------
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# Credits label
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# ---------------------------------------------------------------------------
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func _build_credits_label() -> void:
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_credits_label = Label.new()
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_credits_label.position = Vector2(16, 72)
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_credits_label.text = "SCRAP: %d" % UpgradeManager.hub_credits
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add_child(_credits_label)
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func _on_credits_changed(new_total: int) -> void:
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_credits_label.text = "SCRAP: %d" % new_total
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# ---------------------------------------------------------------------------
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# Signal handler
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# ---------------------------------------------------------------------------
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func _on_health_changed(current_hp: float, max_hp: float) -> void:
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var num_hearts := int(max_hp / 2.0)
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if num_hearts != _slots.size():
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_rebuild(max_hp, current_hp)
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else:
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_update_display(current_hp)
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# ---------------------------------------------------------------------------
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# Boss health bar
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# ---------------------------------------------------------------------------
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func _on_boss_health_changed(current_hp: float, max_hp: float) -> void:
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if _boss_bar_root == null:
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_build_boss_bar(max_hp)
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_boss_max_hp = max_hp
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_update_boss_bar(current_hp)
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func _on_boss_died() -> void:
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if _boss_bar_root != null:
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_boss_bar_root.queue_free()
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_boss_bar_root = null
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_boss_bar_fill = null
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_boss_bar_label = null
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func _build_boss_bar(max_hp: float) -> void:
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_boss_max_hp = max_hp
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_boss_bar_root = Node2D.new()
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_boss_bar_root.position = BOSS_BAR_POS
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add_child(_boss_bar_root)
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# Name label
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_boss_bar_label = Label.new()
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_boss_bar_label.text = "THE SUPERVISOR"
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_boss_bar_label.position = Vector2(0, -22)
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_boss_bar_root.add_child(_boss_bar_label)
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# Background
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var bg := Polygon2D.new()
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bg.polygon = PackedVector2Array([
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Vector2(0, 0), Vector2(BOSS_BAR_W, 0),
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Vector2(BOSS_BAR_W, BOSS_BAR_H), Vector2(0, BOSS_BAR_H),
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])
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bg.color = Color(0.15, 0.05, 0.05)
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_boss_bar_root.add_child(bg)
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# Fill
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_boss_bar_fill = Polygon2D.new()
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_boss_bar_fill.polygon = PackedVector2Array([
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Vector2(0, 0), Vector2(BOSS_BAR_W, 0),
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Vector2(BOSS_BAR_W, BOSS_BAR_H), Vector2(0, BOSS_BAR_H),
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])
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_boss_bar_fill.color = Color(0.85, 0.1, 0.1)
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_boss_bar_root.add_child(_boss_bar_fill)
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func _update_boss_bar(current_hp: float) -> void:
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if _boss_bar_fill == null:
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return
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var pct := clampf(current_hp / _boss_max_hp, 0.0, 1.0)
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var w := BOSS_BAR_W * pct
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_boss_bar_fill.polygon = PackedVector2Array([
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Vector2(0, 0), Vector2(w, 0),
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Vector2(w, BOSS_BAR_H), Vector2(0, BOSS_BAR_H),
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])
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