Badania

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assets/freighter/research/hull_technology_prompts.md

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+# Ikony technologii kadłuba
+
+Osiem osobnych ikon wygenerowanych wbudowanym ImageGen. Ramki pomarańczowe i zielone nakłada interfejs gry.
+
+## hull_a.png
+
+Use case: stylized-concept. Asset type: one square research technology icon for a gritty top-down science fiction space game. Structural analysis: a dark alien armored hull segment shown as a cutaway, bright amber scanning lines revealing internal load-bearing ribs and one orange weak seam. Polished hand-painted game inventory illustration, dark navy-black background, strong centered silhouette readable at 34 pixels, restrained metallic detail, high contrast, subject occupies 85 percent of square. No text, letters, numbers, outer frame, border, interface, or icon grid. Offensive hull technology: amber and orange accents.
+
+## hull_a_next.png
+
+Use case: stylized-concept. Asset type: one square research technology icon for a gritty top-down science fiction space game. Armor breach: a cracked angular alien armor plate with a deep glowing orange fracture, a precision projectile forcing apart the seam and exposing molten inner metal. Polished hand-painted game inventory illustration, dark navy-black background, strong centered silhouette readable at 34 pixels, restrained metallic detail, high contrast, subject occupies 85 percent of square. No text, letters, numbers, outer frame, border, interface, or icon grid. Offensive hull technology: amber and orange accents.
+
+## hull_a_next_next.png
+
+Use case: stylized-concept. Asset type: one square research technology icon for a gritty top-down science fiction space game. Overpenetration: one orange projectile passing completely through a dark alien spaceship hull and continuing toward a second smaller alien ship behind it; readable single trajectory. Polished hand-painted game inventory illustration, dark navy-black background, strong centered silhouette readable at 34 pixels, restrained metallic detail, high contrast, subject occupies 85 percent of square. No text, letters, numbers, outer frame, border, interface, or icon grid. Offensive hull technology: amber and orange accents.
+
+## hull_a_next_next_next.png
+
+Use case: stylized-concept. Asset type: one square research technology icon for a gritty top-down science fiction space game. Structural collapse execution: a severely damaged angular alien spaceship breaking cleanly into several large armor sections with bright orange internal light and flying fragments. Polished hand-painted game inventory illustration, dark navy-black background, strong centered silhouette readable at 34 pixels, restrained metallic detail, high contrast, subject occupies 85 percent of square. No text, letters, numbers, outer frame, border, interface, or icon grid. Offensive hull technology: amber and orange accents.
+
+## hull_b.png
+
+Use case: stylized-concept. Asset type: one square research technology icon for a gritty top-down science fiction space game. Reinforced plating: three thick overlapping futuristic metallic hull plates, strong emerald green rim light, a small green structural reinforcement brace across them. Polished hand-painted game inventory illustration, dark navy-black background, strong centered silhouette readable at 34 pixels, restrained metallic detail, high contrast, subject occupies 85 percent of square. No text, letters, numbers, outer frame, border, interface, or icon grid. Defensive hull technology: emerald green accents.
+
+## hull_b_next.png
+
+Use case: stylized-concept. Asset type: one square research technology icon for a gritty top-down science fiction space game. Reactive armor: a red projectile strikes an outer metallic plate that bursts outward in a controlled emerald green protective pulse, inner ship hull remains intact. Polished hand-painted game inventory illustration, dark navy-black background, strong centered silhouette readable at 34 pixels, restrained metallic detail, high contrast, subject occupies 85 percent of square. No text, letters, numbers, outer frame, border, interface, or icon grid. Defensive hull technology: emerald green accents.
+
+## hull_b_next_next.png
+
+Use case: stylized-concept. Asset type: one square research technology icon for a gritty top-down science fiction space game. Emergency bulkheads: a heavy spaceship bulkhead sealing a glowing hull breach while a compact green repair mechanism welds the armored seam closed. Polished hand-painted game inventory illustration, dark navy-black background, strong centered silhouette readable at 34 pixels, restrained metallic detail, high contrast, subject occupies 85 percent of square. No text, letters, numbers, outer frame, border, interface, or icon grid. Defensive hull technology: emerald green accents.
+
+## hull_b_next_next_next.png
+
+Use case: stylized-concept. Asset type: one square research technology icon for a gritty top-down science fiction space game. Last bastion survival: a battered futuristic spaceship hull with one tiny brilliant emerald core still alive inside a short luminous green protective bubble, sparks and broken armor outside. Polished hand-painted game inventory illustration, dark navy-black background, strong centered silhouette readable at 34 pixels, restrained metallic detail, high contrast, subject occupies 85 percent of square. No text, letters, numbers, outer frame, border, interface, or icon grid. Defensive hull technology: emerald green accents.
+

assets/freighter/research/shield_technology_prompts.md

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+# Shield research icons — built-in ImageGen
+
+## shields_a
+Use case: stylized-concept. Asset type: square sci-fi game technology icon, matching premium metallic alien hull research icons. Subject: orange spectral scanner tracing resonant frequency rings across an alien energy shield. Dark navy near-black background, one bold centered subject filling nearly entire square with narrow margins. Highly detailed painted 3D science fiction, graphite and silver metal, luminous orange amber energy, dramatic rim lighting. Readable silhouette at 36 pixels. No text, letters, labels, borders, watermark, grids or collage.
+
+## shields_a_next
+Use case: stylized-concept. Asset type: square sci-fi game technology icon, matching premium metallic alien hull research icons. Subject: orange electromagnetic clamps locking a cracked alien shield emitter, halted energy flow. Dark navy near-black background, one bold centered subject filling nearly entire square with narrow margins. Highly detailed painted 3D science fiction, graphite and silver metal, luminous orange amber energy, dramatic rim lighting. Readable silhouette at 36 pixels. No text, letters, labels, borders, watermark, grids or collage.
+
+## shields_a_next_next
+Use case: stylized-concept. Asset type: square sci-fi game technology icon, matching premium metallic alien hull research icons. Subject: alien spaceship shield shattering into an enormous orange circular shockwave striking nearby alien silhouettes. Dark navy near-black background, one bold centered subject filling nearly entire square with narrow margins. Highly detailed painted 3D science fiction, graphite and silver metal, luminous orange amber energy, dramatic rim lighting. Readable silhouette at 36 pixels. No text, letters, labels, borders, watermark, grids or collage.
+
+## shields_a_next_next_next
+Use case: stylized-concept. Asset type: square sci-fi game technology icon, matching premium metallic alien hull research icons. Subject: incoming red energy bolt striking a shield and a powerful orange counter lightning arc returning to the attacker. Dark navy near-black background, one bold centered subject filling nearly entire square with narrow margins. Highly detailed painted 3D science fiction, graphite and silver metal, luminous orange amber energy, dramatic rim lighting. Readable silhouette at 36 pixels. No text, letters, labels, borders, watermark, grids or collage.
+
+## shields_b
+Use case: stylized-concept. Asset type: square sci-fi game technology icon, matching premium metallic alien hull research icons. Subject: three large metallic shield capacitors powering a vivid emerald energy dome. Dark navy near-black background, one bold centered subject filling nearly entire square with narrow margins. Highly detailed painted 3D science fiction, graphite and silver metal, luminous emerald green energy, dramatic rim lighting. Readable silhouette at 36 pixels. No text, letters, labels, borders, watermark, grids or collage.
+
+## shields_b_next
+Use case: stylized-concept. Asset type: square sci-fi game technology icon, matching premium metallic alien hull research icons. Subject: emerald backup capacitor diverting bright energy from a spaceship gun to its weakening shield. Dark navy near-black background, one bold centered subject filling nearly entire square with narrow margins. Highly detailed painted 3D science fiction, graphite and silver metal, luminous emerald green energy, dramatic rim lighting. Readable silhouette at 36 pixels. No text, letters, labels, borders, watermark, grids or collage.
+
+## shields_b_next_next
+Use case: stylized-concept. Asset type: square sci-fi game technology icon, matching premium metallic alien hull research icons. Subject: a strong emerald energy shield dispersing the first heavy red projectile into harmless sparks. Dark navy near-black background, one bold centered subject filling nearly entire square with narrow margins. Highly detailed painted 3D science fiction, graphite and silver metal, luminous emerald green energy, dramatic rim lighting. Readable silhouette at 36 pixels. No text, letters, labels, borders, watermark, grids or collage.
+
+## shields_b_next_next_next
+Use case: stylized-concept. Asset type: square sci-fi game technology icon, matching premium metallic alien hull research icons. Subject: a shattered shield instantly reforming as a bright layered emerald emergency dome around a spaceship. Dark navy near-black background, one bold centered subject filling nearly entire square with narrow margins. Highly detailed painted 3D science fiction, graphite and silver metal, luminous emerald green energy, dramatic rim lighting. Readable silhouette at 36 pixels. No text, letters, labels, borders, watermark, grids or collage.
+

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assets/freighter/research/shields_a_next.png.import

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assets/freighter/research/shields_a_next_next.png.import

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resources/effects/disabled_system_icon.gdshader.uid

@@ -0,0 +1 @@
+uid://qv7m78m6bks6

scripts/game/alien_weapon_effects.gd

@@ -5,13 +5,13 @@ static func roll_disabled_system(roll := -1.0, system := -1) -> int:
 	if not DATA.learned("weapons_a_next") or (randf() if roll < 0 else roll) >= 0.01: return -1
 	return randi_range(0,2) if system < 0 else clampi(system,0,2)
 
-static func apply_hit(target: Variant, damage: float, critical: bool, kind: int, piercing: float, visited: Dictionary, splash := true, disabled_system := -2) -> void:
+static func apply_hit(target: Variant, damage: float, critical: bool, kind: int, piercing: float, visited: Dictionary, splash := true, disabled_system := -2, damage_scale := 1.0) -> void:
 	if not target is Node or target.is_queued_for_deletion(): return
 	var id: int = target.get_instance_id()
 	if visited.has(id): return
 	visited[id] = true
 	if target.has_method("take_research_weapon_hit"):
-		target.take_research_weapon_hit(damage,critical,kind,piercing,disabled_system)
+		target.take_research_weapon_hit(damage,critical,kind,piercing,disabled_system,damage_scale)
 	elif target.has_method("take_piercing_weapon_hit"):
 		target.take_piercing_weapon_hit(damage,critical,kind,piercing)
 	elif target.has_method("take_weapon_hit"):
@@ -23,4 +23,4 @@ static func apply_hit(target: Variant, damage: float, critical: bool, kind: int,
 	for other in target.get_tree().get_nodes_in_group("enemies"):
 		if other == target or other.is_queued_for_deletion() or float(other.get("hull")) <= 0: continue
 		if target.global_position.distance_to(other.global_position) <= radius+float(other.get_visual_size())*0.5:
-			apply_hit(other,damage,critical,kind,piercing,visited,false,-1)
+			apply_hit(other,damage,critical,kind,piercing,visited,false,-1,damage_scale)

scripts/game/distant_sector.gd

@@ -37,6 +37,20 @@ func _ready() -> void:
 	panel.add_child(column)
 	_status = ui.label(column,"",12,Color("e9b4fc"))
 	_update_status()
+	if GameState.distant_warp_arrival:
+		GameState.distant_warp_arrival = false
+		var arrival := CanvasLayer.new()
+		arrival.name = "WarpArrival"
+		arrival.layer = 100
+		game.add_child(arrival)
+		var fade := ColorRect.new()
+		fade.color = Color("04070cff")
+		fade.mouse_filter = Control.MOUSE_FILTER_IGNORE
+		fade.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
+		arrival.add_child(fade)
+		var tween := fade.create_tween()
+		tween.tween_property(fade,"color:a",0.0,0.55)
+		tween.tween_callback(arrival.queue_free)
 
 func _build_structures() -> void:
 	var group := Node2D.new()
@@ -88,6 +102,7 @@ func _return_home() -> bool:
 	return true
 
 func _load_home() -> void:
+	var bastion_used := GameState.hull_bastion_used
 	var active: Dictionary = GameState.active_distant_map.duplicate(true)
 	var home: Dictionary = GameState.distant_home.duplicate(true)
 	var level := GameState.system_level
@@ -97,6 +112,7 @@ func _load_home() -> void:
 	GameState.return_to_freighter = true
 	var error := get_tree().reload_current_scene()
 	if error != OK:
+		GameState.hull_bastion_used = bastion_used
 		GameState.return_to_freighter = false
 		GameState.active_distant_map = active
 		GameState.distant_home = home

scripts/game/enemy_ship.gd

@@ -50,6 +50,11 @@ var combat_level := 1
 var _reward_claimed := false
 var _disabled_systems := [0.0,0.0,0.0]
 var _offline_shields := 0.0
+var _hull_breach_remaining := 0.0
+var _execution_finish := false
+var _shield_regen_lock := 0.0
+var _shield_overload_cooldown := 0.0
+var _research_damage_scale := 1.0
 
 func roll_virus_infection() -> bool:
 	if loot_tier == 2 or _virus_infection_attempted:
@@ -84,6 +89,10 @@ func set_virus_controlled(value: bool) -> void:
 	queue_redraw()
 
 func _draw() -> void:
+	if _hull_breach_remaining > 0.0:
+		for arc in 4:
+			var angle := arc*PI*0.5+0.12
+			draw_arc(Vector2.ZERO,get_visual_size()*0.55,angle,angle+0.9,12,Color(1.0,0.5,0.12,minf(0.9,_hull_breach_remaining)),1.8,true)
 	if virus_controlled:
 		draw_arc(Vector2.ZERO, get_visual_size() * 0.6, 0.0, TAU, 48, Color("c57dff"), 2.0, true)
 		for index in 3:
@@ -172,11 +181,18 @@ func regenerate_defenses(delta: float) -> void:
 	if loot_tier == 2 or hull <= 0.0 or is_queued_for_deletion():
 		return
 	hull = minf(max_hull, hull + max_hull * 0.01 * delta)
-	if not system_disabled(2): shields = minf(max_shields, shields + max_shields * 0.01 * delta)
+	if not system_disabled(2) and _shield_regen_lock <= 0.0: shields = minf(max_shields, shields + max_shields * 0.01 * delta)
 	if is_instance_valid(_shield_visual):
 		_shield_visual.set_shield_values(shields, max_shields)
 
+func tick_shield_technologies(delta: float) -> void:
+	_shield_regen_lock = maxf(0.0,_shield_regen_lock-delta)
+	_shield_overload_cooldown = maxf(0.0,_shield_overload_cooldown-delta)
+
 func _physics_process(delta: float) -> void:
+	tick_shield_technologies(delta)
+	if _hull_breach_remaining > 0.0: queue_redraw()
+	_hull_breach_remaining = maxf(0.0,_hull_breach_remaining-delta)
 	tick_disabled_systems(delta)
 	regenerate_defenses(delta)
 	_slow_remaining = maxf(0.0, _slow_remaining - delta)
@@ -319,7 +335,10 @@ func _fire_plasma(direction: Vector2) -> void:
 			endpoint = hit["position"]
 			var target: Node = hit.get("collider")
 			if target is CharacterBody2D and target.has_method("take_damage"):
-				target.take_damage(get_shot_damage(), false, DamageTypes.Type.ENERGY)
+				if target.has_method("take_enemy_weapon_hit"):
+					target.take_enemy_weapon_hit(get_shot_damage(), false, DamageTypes.Type.ENERGY, self)
+				else:
+					target.take_damage(get_shot_damage(), false, DamageTypes.Type.ENERGY)
 		var beam := Line2D.new()
 		beam.set_script(preload("res://scripts/game/laser_beam_visual.gd"))
 		beam.width = 4.0
@@ -347,10 +366,12 @@ func take_piercing_weapon_hit(amount: float, critical: bool, damage_type: int, p
 func take_weapon_hit(amount: float, critical: bool, damage_type: int = DamageTypes.Type.KINETIC) -> void:
 	_take_player_hit(amount,critical,damage_type,true,-2)
 
-func take_research_weapon_hit(amount: float, critical: bool, damage_type: int, piercing: float, disabled_system: int) -> void:
+func take_research_weapon_hit(amount: float, critical: bool, damage_type: int, piercing: float, disabled_system: int, damage_scale := 1.0) -> void:
+	_research_damage_scale = damage_scale
 	_weapon_piercing = clampf(piercing,0.0,0.5)
 	_take_player_hit(amount,critical,damage_type,true,disabled_system)
 	_weapon_piercing = 0.0
+	_research_damage_scale = 1.0
 
 func take_research_dot(amount: float, damage_type: int, piercing: float) -> void:
 	_weapon_piercing = clampf(piercing,0.0,0.5)
@@ -363,7 +384,7 @@ func _take_player_hit(amount: float, critical: bool, damage_type: int, direct: b
 	var before := hull + shields
 	_research_player_hit = true
 	var research := preload("res://scripts/planets/alien_research.gd")
-	if direct and amount > 0 and research.learned("weapons_a"): amount += 5.0
+	if direct and amount > 0 and research.learned("weapons_a"): amount += 5.0*_research_damage_scale
 	_research_direct_hit = direct
 	take_damage(amount, critical, damage_type)
 	_research_direct_hit = false
@@ -402,20 +423,38 @@ func research_aim_direction(direction: Vector2, roll := -1.0, side := 0.0) -> Ve
 func take_damage(amount: float, critical: bool = false, damage_type: int = DamageTypes.Type.KINETIC, bypass_absorption: bool = false) -> void:
 	if is_queued_for_deletion() or hull <= 0.0:
 		return
-	var actual := maxf(0.0, amount) * (1.0 if bypass_absorption else 1.0 - absorption[damage_type] / 100.0)
 	var research := preload("res://scripts/planets/alien_research.gd")
+	var absorption_factor := 0.5 if _research_player_hit and _hull_breach_remaining > 0.0 else 1.0
+	var actual := maxf(0.0, amount) * (1.0 if bypass_absorption else 1.0 - absorption[damage_type]*absorption_factor / 100.0)
 	var progress: Resource = GameState.captain.expedition
 	var shield_multiplier := 1.0 + (research.bonus(progress, "shields") if _research_player_hit else 0.0)
+	if _research_player_hit and research.learned("shields_a"): shield_multiplier += 0.05
 	var hull_multiplier := 1.0 + (research.bonus(progress, "hull") if _research_player_hit else 0.0)
+	if _research_player_hit and research.learned("hull_a"): hull_multiplier += 0.05
 	var piercing_damage := actual * _weapon_piercing if _research_player_hit else 0.0
 	var shield_damage := minf(shields, (actual - piercing_damage) * shield_multiplier)
 	var double_hit := _research_direct_hit and research.learned("weapons_a_next_next_next")
 	if double_hit: shield_damage = minf(shields,actual*shield_multiplier)
 	var remaining := actual if double_hit else maxf(0.0, actual - shield_damage / shield_multiplier)
+	var shields_before := shields
 	shields -= shield_damage
 	var hull_damage := minf(hull, remaining * hull_multiplier)
 	hull = maxf(0.0, hull - hull_damage)
+	if _research_direct_hit and hull_damage > 0.0:
+		if shields <= 0.0 and research.learned("hull_a_next"):
+			_hull_breach_remaining = 5.0
+			queue_redraw()
+		var execution_threshold := 0.02 if loot_tier == 2 else 0.08
+		if research.learned("hull_a_next_next_next") and hull > 0.0 and hull <= max_hull*execution_threshold:
+			hull_damage += hull
+			hull = 0.0
+			_execution_finish = true
 	actual = shield_damage + hull_damage
+	if _research_player_hit and shield_damage > 0.0:
+		if research.learned("shields_a_next"): _shield_regen_lock = 5.0
+		if shields_before > 0.0 and shields <= 0.0 and research.learned("shields_a_next_next") and _shield_overload_cooldown <= 0.0:
+			_shield_overload_cooldown = 10.0
+			_shield_overload(amount*4.0,damage_type)
 	if is_instance_valid(_shield_visual):
 		_shield_visual.set_shield_values(shields, max_shields)
 		if shield_damage > 0.0:
@@ -429,6 +468,17 @@ func take_damage(amount: float, critical: bool = false, damage_type: int = Damag
 		_spawn_destruction_effect()
 		queue_free()
 
+func _shield_overload(damage: float, damage_type: int) -> void:
+	var effect := Node2D.new()
+	effect.set_script(preload("res://scripts/game/shield_research_effect.gd"))
+	effect.position = global_position
+	get_parent().add_child(effect)
+	for other in get_tree().get_nodes_in_group("enemies"):
+		if other == self or other.is_queued_for_deletion() or float(other.get("hull")) <= 0.0: continue
+		if global_position.distance_to(other.global_position) <= 120.0:
+			# Raw damage deliberately bypasses research triggers and player-hit chains.
+			other.take_damage(damage,false,damage_type)
+
 func get_fire_interval() -> float:
 	if weapon_kind == ItemDefinition.WeaponKind.LASER:
 		return maxf(LASER_MINIMUM_COOLDOWN, weapon_cooldown * LASER_COOLDOWN_MULTIPLIER)
@@ -482,6 +532,13 @@ func _drop_loot() -> void:
 	get_parent().call_deferred("add_child", pickup)
 
 func _spawn_destruction_effect() -> void:
+	if _execution_finish and _sprite.texture != null:
+		var collapse := Node2D.new()
+		collapse.set_script(preload("res://scripts/game/hull_collapse_effect.gd"))
+		collapse.configure(_sprite.texture,get_visual_size(),global_rotation)
+		collapse.position = position
+		get_parent().add_child(collapse)
+		return
 	var effect := IMPACT_EFFECT_SCENE.instantiate() as Node2D
 	effect.global_position = global_position
 	get_parent().add_child(effect)

scripts/game/freighter_warp_departure.gd

@@ -0,0 +1,149 @@
+extends Control
+signal finished
+const DURATION := 4.0
+const SHIP := preload("res://assets/planets/freighter.png")
+var start_position := Vector2.ZERO
+var destination_name := "ODLEGŁY SEKTOR"
+var elapsed := 0.0
+var _ship: Sprite2D
+var _flash: ColorRect
+var _title: Label
+var _status: Label
+var _stars: Array[Vector3] = []
+var _done := false
+
+func _ready() -> void:
+	process_mode = Node.PROCESS_MODE_ALWAYS
+	set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
+	mouse_filter = Control.MOUSE_FILTER_STOP
+	var rng := RandomNumberGenerator.new()
+	rng.seed = 872901
+	for star in 170: _stars.append(Vector3(rng.randf(),rng.randf(),rng.randf_range(0.3,1.0)))
+	_ship = Sprite2D.new()
+	_ship.texture = SHIP
+	_ship.texture_filter = CanvasItem.TEXTURE_FILTER_LINEAR_WITH_MIPMAPS
+	add_child(_ship)
+	_flash = ColorRect.new()
+	_flash.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
+	_flash.mouse_filter = Control.MOUSE_FILTER_IGNORE
+	add_child(_flash)
+	_title = _label(destination_name.to_upper(),18,Color("c4f3ff"))
+	_status = _label("INICJALIZACJA NAPĘDU SKOKOWEGO",11,Color("6eaeba"))
+	_play_audio()
+	_update_frame()
+
+func _label(value: String, font_size: int, color: Color) -> Label:
+	var label := Label.new()
+	label.text = value
+	label.mouse_filter = Control.MOUSE_FILTER_IGNORE
+	label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	label.add_theme_font_size_override("font_size",font_size)
+	label.add_theme_color_override("font_color",color)
+	label.add_theme_color_override("font_outline_color",Color("020810"))
+	label.add_theme_constant_override("outline_size",5)
+	add_child(label)
+	return label
+
+func _input(_event: InputEvent) -> void:
+	get_viewport().set_input_as_handled()
+
+func _process(delta: float) -> void:
+	elapsed = minf(DURATION,elapsed+delta)
+	_update_frame()
+	if elapsed >= DURATION and not _done:
+		_done = true
+		finished.emit()
+
+func _update_frame() -> void:
+	var charge := smoothstep(0.0,0.9,elapsed)
+	var acceleration := smoothstep(0.8,2.6,elapsed)
+	var jump := smoothstep(2.6,3.15,elapsed)
+	var center := Vector2(size.x*0.5,size.y*0.64)
+	var departure := start_position if start_position != Vector2.ZERO else center
+	var ship_position := departure.lerp(center,charge)
+	ship_position.y -= size.y*(0.16*acceleration+0.24*jump)
+	var height := lerpf(285.0,minf(440.0,size.y*0.61),charge)
+	height *= 1.0-jump*0.93
+	_ship.position = ship_position
+	_ship.scale = Vector2(height/SHIP.get_height()*(1.0-jump*0.6),height/SHIP.get_height())
+	_ship.modulate = Color(1.0+acceleration*0.3,1.0+acceleration*0.5,1.0+acceleration*0.7,1.0-jump)
+	_ship.visible = elapsed < 3.18
+	var flash := exp(-pow((elapsed-3.15)/0.10,2.0))*0.9
+	var blackout := smoothstep(3.55,DURATION,elapsed)
+	_flash.color = Color(0.55,0.87,1.0,flash) if flash > blackout else Color(0.015,0.025,0.045,blackout)
+	_title.position = Vector2(0,28)
+	_title.size = Vector2(size.x,30)
+	_status.position = Vector2(0,61)
+	_status.size = Vector2(size.x,22)
+	_status.text = "SKOK WARP" if elapsed > 2.6 else ("PRZYSPIESZANIE · TRASA ZABEZPIECZONA" if elapsed > 0.9 else "INICJALIZACJA NAPĘDU SKOKOWEGO")
+	_title.modulate.a = 1.0-blackout
+	_status.modulate.a = 1.0-blackout
+	queue_redraw()
+
+func _draw() -> void:
+	var charge := smoothstep(0.0,0.9,elapsed)
+	var acceleration := smoothstep(0.8,2.6,elapsed)
+	var jump := smoothstep(2.6,3.15,elapsed)
+	draw_rect(Rect2(Vector2.ZERO,size),Color(0.005,0.014,0.03,charge*0.96))
+	for star in _stars:
+		var y := fmod(star.y*size.y+elapsed*(18.0+acceleration*180.0+jump*1200.0)*star.z,size.y+160.0)-80.0
+		var point := Vector2(star.x*size.x,y)
+		var length := 1.0+acceleration*star.z*34.0+jump*star.z*150.0
+		draw_line(point,point+Vector2(0,length),Color(0.4,0.75,1.0,charge*star.z*0.55),1.0,true)
+	if _ship != null and _ship.visible and jump < 0.98:
+		var height: float = SHIP.get_height()*_ship.scale.y
+		var tail: Vector2 = _ship.position+Vector2(0,height*0.45)
+		var power := (0.2+charge*0.5+acceleration*0.7)*(1.0-jump)
+		for side in [-1.0,1.0]:
+			var nozzle := tail+Vector2(side*height*0.075,0)
+			for halo in range(6,0,-1): draw_circle(nozzle,halo*7.0*power,Color(0.1,0.7,1.0,0.018*power))
+			var flame := (35.0+acceleration*170.0)*power*(0.94+sin(elapsed*71.0)*0.06)
+			for layer in 3:
+				var width := (13.0-layer*3.2)*power
+				var tip := nozzle+Vector2(sin(elapsed*43.0+side)*minf(4.0,width*0.2),flame*(1.0-layer*0.2))
+				var colors := [Color(0.08,0.4,1.0,0.25),Color(0.2,0.85,1.0,0.65),Color(0.85,1.0,1.0,0.95)]
+				draw_colored_polygon(PackedVector2Array([nozzle+Vector2(-width,-8),nozzle+Vector2(width,-8),nozzle+Vector2(width*0.65,flame*0.3),tip,nozzle+Vector2(-width*0.65,flame*0.3)]),colors[layer])
+	var portal := smoothstep(1.75,2.75,elapsed)*(1.0-smoothstep(3.18,3.6,elapsed))
+	var gate := Vector2(size.x*0.5,size.y*0.24)
+	if portal > 0.001:
+		draw_set_transform(gate,0,Vector2(1,0.24))
+		for halo in range(8,0,-1): draw_circle(Vector2.ZERO,(100.0+halo*6)*portal,Color(0.15,0.65,1.0,0.014))
+		draw_circle(Vector2.ZERO,104*portal,Color(0.01,0.035,0.065,0.95))
+		for ring in 3:
+			draw_arc(Vector2.ZERO,(102+ring*5)*portal,elapsed*(2+ring),elapsed*(2+ring)+TAU*0.91,96,Color(0.4+ring*0.2,0.8+ring*0.07,1.0,0.8),2.0,true)
+		draw_set_transform(Vector2.ZERO)
+	if elapsed > 3.05:
+		var flare := exp(-pow((elapsed-3.16)/0.12,2.0))
+		for layer in range(6,0,-1):
+			draw_line(gate-Vector2(size.x*0.45,0),gate+Vector2(size.x*0.45,0),Color(0.3,0.8,1.0,flare*0.07),float(layer*4),true)
+		var ring_time := maxf(0.0,elapsed-3.15)
+		draw_arc(gate,20.0+ring_time*650.0,0,TAU,96,Color(0.4,0.85,1.0,maxf(0.0,0.65-ring_time)),2.0,true)
+		draw_line(gate,gate+Vector2(0,-size.y),Color(0.8,0.98,1.0,flare),4.0+flare*24.0,true)
+
+func _play_audio() -> void:
+	var rate := 22050
+	var data := PackedByteArray()
+	data.resize(int(DURATION*rate)*2)
+	var rng := RandomNumberGenerator.new()
+	rng.seed = 73902
+	var phase := 0.0
+	var noise := 0.0
+	for sample in int(DURATION*rate):
+		var t := float(sample)/rate
+		var rise := smoothstep(0.0,3.1,t)
+		phase += TAU*(38.0+rise*140.0)/rate
+		noise = lerpf(noise,rng.randf_range(-1,1),0.12+rise*0.2)
+		var envelope := smoothstep(0,0.3,t)*(1.0-smoothstep(3.15,3.8,t))
+		var rush := exp(-pow((t-3.14)/0.16,2.0))
+		var value := (sin(phase)*0.13+sin(phase*1.51)*0.05+noise*(0.1+rise*0.25))*envelope+noise*rush*0.55
+		data.encode_s16(sample*2,int(clampf(value,-0.9,0.9)*32767))
+	var stream := AudioStreamWAV.new()
+	stream.format = AudioStreamWAV.FORMAT_16_BITS
+	stream.mix_rate = rate
+	stream.data = data
+	var audio := AudioStreamPlayer.new()
+	audio.stream = stream
+	audio.volume_db = -9.0
+	if AudioServer.get_bus_index("Effects") >= 0: audio.bus = &"Effects"
+	add_child(audio)
+	audio.play()

scripts/game/freighter_warp_departure.gd.uid

@@ -0,0 +1 @@
+uid://blr2n5cmfjdll

scripts/game/game.gd

@@ -232,6 +232,8 @@ func advance_to_next_level() -> bool:
 	return true
 
 func _load_next_level() -> void:
+	var bastion_used := GameState.hull_bastion_used
+	GameState.hull_bastion_used = false
 	var previous_level := GameState.system_level
 	var previous_seed := GameState.system_seed
 	player.get_node("ShipInventory").call("preserve_for_restart")
@@ -240,6 +242,7 @@ func _load_next_level() -> void:
 	var error := get_tree().reload_current_scene()
 	if error != OK:
 		GameState.system_level = previous_level
+		GameState.hull_bastion_used = bastion_used
 		GameState.system_seed = previous_seed
 		GameState.restart_inventory.clear()
 		_transitioning = false
@@ -263,9 +266,38 @@ func _load_distant(map_id: String) -> void:
 		return
 	var cost: int = preload("res://scripts/planets/distant_expeditions.gd").fuel_cost(GameState.active_distant_map)
 	var map_snapshot: Dictionary = GameState.active_distant_map.duplicate(true)
+	var previous_pause := get_tree().paused
+	var hud := get_node("HUD/HUDRoot") as CanvasItem
+	var hud_visible := hud.visible
+	var player_visible := player.visible
+	var freighter := get_node_or_null("Freighter") as Node2D
+	var freighter_visible := freighter.visible if freighter != null else false
+	var layer := CanvasLayer.new()
+	layer.name = "FreighterWarpDeparture"
+	layer.layer = 100
+	layer.process_mode = Node.PROCESS_MODE_ALWAYS
+	var departure := Control.new()
+	departure.set_script(preload("res://scripts/game/freighter_warp_departure.gd"))
+	departure.destination_name = str(map_snapshot.get("name","ODLEGŁY SEKTOR"))
+	if freighter != null:
+		departure.start_position = freighter.get_global_transform_with_canvas().origin
+		freighter.hide()
+	player.hide()
+	hud.hide()
+	get_tree().paused = true
+	add_child(layer)
+	layer.add_child(departure)
+	await departure.finished
+	GameState.distant_warp_arrival = true
 	get_tree().paused = false
 	var error := get_tree().reload_current_scene()
 	if error != OK:
+		GameState.distant_warp_arrival = false
+		layer.queue_free()
+		player.visible = player_visible
+		hud.visible = hud_visible
+		if freighter != null: freighter.visible = freighter_visible
+		get_tree().paused = previous_pause
 		GameState.restore_distant_home()
 		GameState.captain.expedition.distant_maps[map_id] = map_snapshot
 		GameState.captain.expedition.deuter += cost
@@ -280,6 +312,8 @@ func travel_to_system(level: int) -> bool:
 	return true
 
 func _load_known_system(level: int) -> void:
+	var bastion_used := GameState.hull_bastion_used
+	GameState.hull_bastion_used = false
 	var previous_level := GameState.system_level
 	var previous_seed := GameState.system_seed
 	player.get_node("ShipInventory").preserve_for_restart()
@@ -290,6 +324,7 @@ func _load_known_system(level: int) -> void:
 	var error := get_tree().reload_current_scene()
 	if error != OK:
 		GameState.system_level = previous_level
+		GameState.hull_bastion_used = bastion_used
 		GameState.system_seed = previous_seed
 		GameState.restart_inventory.clear()
 		_transitioning = false

scripts/game/game_state.gd

@@ -10,6 +10,8 @@ var system_seed: int = 0
 var active_distant_map: Dictionary = {}
 var distant_home: Dictionary = {}
 var return_to_freighter := false
+var distant_warp_arrival := false
+var hull_bastion_used := false
 var highest_system := 1
 var system_seeds: Dictionary = {}
 var cleared_systems: Dictionary = {}
@@ -24,7 +26,8 @@ func depart_distant(map_id: String) -> bool:
 	var map: Dictionary = captain.expedition.distant_maps[map_id]
 	var cost: int = preload("res://scripts/planets/distant_expeditions.gd").fuel_cost(map)
 	if captain.expedition.deuter < cost: return false
-	distant_home = {"level":system_level,"seed":system_seed}
+	distant_home = {"level":system_level,"seed":system_seed,"hull_bastion_used":hull_bastion_used}
+	hull_bastion_used = false
 	active_distant_map = map.duplicate(true)
 	captain.expedition.distant_maps.erase(map_id)
 	captain.expedition.deuter -= cost
@@ -37,8 +40,10 @@ func restore_distant_home() -> void:
 	if distant_home.is_empty(): return
 	system_level = int(distant_home.level)
 	system_seed = int(distant_home.seed)
+	hull_bastion_used = bool(distant_home.get("hull_bastion_used",false))
 	active_distant_map.clear()
 	distant_home.clear()
+	distant_warp_arrival = false
 
 func create_system_seed() -> int:
 	var rng := RandomNumberGenerator.new()
@@ -58,12 +63,14 @@ func reset_current_system_exploration() -> void:
 			explored_pois.erase(id)
 
 func start_new_run() -> void:
+	hull_bastion_used = false
 	captain = CAPTAIN_PROGRESS.new()
 	system_level = 1
 	highest_system = 1
 	active_distant_map.clear()
 	distant_home.clear()
 	return_to_freighter = false
+	distant_warp_arrival = false
 	system_seeds.clear()
 	cleared_systems.clear()
 	_production_signal_time = 0

scripts/game/hull_collapse_effect.gd

@@ -0,0 +1,40 @@
+extends Node2D
+var _texture: Texture2D
+var _visual_size := 56.0
+var _angle := 0.0
+var _time := 0.0
+var _pieces: Array[Dictionary] = []
+
+func configure(texture: Texture2D, visual_size: float, angle: float) -> void:
+	_texture = texture
+	_visual_size = visual_size
+	_angle = angle
+	var grid := 3
+	var cell := Vector2(texture.get_size())/grid
+	for y in grid:
+		for x in grid:
+			var offset := Vector2(x-1,y-1)*visual_size/3.0
+			var direction := offset.normalized() if offset.length()>0 else Vector2.RIGHT.rotated(randf()*TAU)
+			_pieces.append({"region":Rect2(Vector2(x,y)*cell,cell),"offset":offset.rotated(angle),"velocity":direction.rotated(angle)*randf_range(75,180),"spin":randf_range(-5,5)})
+
+func _ready() -> void:
+	z_index = 35
+	light_mask = 4
+
+func _process(delta: float) -> void:
+	_time += delta
+	if _time >= 1.1: queue_free()
+	queue_redraw()
+
+func _draw() -> void:
+	if _texture == null: return
+	var fade := clampf(1.0-_time/1.1,0,1)
+	for ring in 3:
+		draw_arc(Vector2.ZERO,_visual_size*0.3+_time*(95+ring*45),0,TAU,48,Color(1,0.45+ring*0.15,0.1,fade*0.4),2,true)
+	for piece in _pieces:
+		var center: Vector2 = piece.offset+piece.velocity*_time
+		draw_set_transform(center,_angle+piece.spin*_time)
+		var extent := Vector2.ONE*_visual_size/3.0
+		draw_texture_rect_region(_texture,Rect2(-extent*0.5,extent),piece.region,Color(1.0,0.8,0.6,fade))
+		draw_line(Vector2.ZERO,Vector2(-8,0),Color(1,0.6,0.12,fade),2,true)
+	draw_set_transform(Vector2.ZERO)

scripts/game/hull_collapse_effect.gd.uid

@@ -0,0 +1 @@
+uid://2bk23d1djp3e

scripts/game/shield_research_effect.gd

@@ -0,0 +1,20 @@
+extends Node2D
+var radius := 120.0
+var tint := Color("ffaa46")
+var endpoint := Vector2.ZERO
+var _age := 0.0
+func _ready() -> void:
+	z_index = 26
+func _process(delta: float) -> void:
+	_age += delta
+	if _age >= 0.5: queue_free()
+	else: queue_redraw()
+func _draw() -> void:
+	var t := clampf(_age/0.5,0.0,1.0)
+	var color := Color(tint,1.0-t)
+	if endpoint != Vector2.ZERO:
+		draw_line(Vector2.ZERO,endpoint,Color(tint,(1.0-t)*0.2),9.0,true)
+		draw_line(Vector2.ZERO,endpoint,color,2.0,true)
+	else:
+		draw_arc(Vector2.ZERO,radius*t,0,TAU,64,color,3.0,true)
+		draw_arc(Vector2.ZERO,radius*t*0.8,0,TAU,64,Color(tint,(1.0-t)*0.35),5.0,true)

scripts/game/shield_research_effect.gd.uid

@@ -0,0 +1 @@
+uid://bcdmqvlx47s57

scripts/game/ship_controller.gd

@@ -54,6 +54,7 @@ var angular_velocity := 0.0
 var _sprite: Sprite2D
 var _contact_damage_timer := 0.0
 var _is_destroyed := false
+var _restart_requested := false
 var is_docked := false
 var landing_combat_lock := 0.0
 var _boost_speed := 0.0
@@ -65,6 +66,15 @@ var _mini_boost_exhausted := false
 var _mini_boost_coast_speed := 0.0
 var _shield_leech_budget := -1.0
 var _polarization_budget := -1.0
+var _reactive_armor_cooldown := 0.0
+var _shield_reserve_cooldown := 0.0
+var _shield_reserve_remaining := 0.0
+var _salvo_cooldown := 0.0
+var _emergency_shield_cooldown := 0.0
+var _emergency_shield_remaining := 0.0
+var _bulkhead_cooldown := 0.0
+var _bulkhead_repair_remaining := 0.0
+var _bastion_invulnerability := 0.0
 @onready var _shield_visual: Node2D = $ShieldVisual
 
 func _enter_tree() -> void:
@@ -80,7 +90,9 @@ func apply_equipment_bonuses(bonuses: Dictionary) -> void:
 	bonuses = EQUIPMENT_BALANCE.bonuses(bonuses)
 	absorption = DamageTypes.capped(Vector3(float(bonuses.get("kinetic_absorption", 0.0)), float(bonuses.get("energy_absorption", 0.0)), float(bonuses.get("radiation_absorption", 0.0))))
 	max_hull = (base_max_hull + float(bonuses.get("max_hull", 0.0))) * (1.0 + float(bonuses.get("hull_percent", 0.0)) / 100.0)
+	if preload("res://scripts/planets/alien_research.gd").learned("hull_b"): max_hull *= 1.1
 	max_shields = (base_max_shields + float(bonuses.get("max_shields", 0.0))) * (1.0 + float(bonuses.get("shield_percent", 0.0)) / 100.0)
+	if preload("res://scripts/planets/alien_research.gd").learned("shields_b"): max_shields *= 1.1
 	scanner_range = base_scanner_range + float(bonuses.get("scanner_range", 0.0))
 	max_energy = base_max_energy + float(bonuses.get("max_energy", 0.0))
 	max_speed = EQUIPMENT_BALANCE.speed(base_max_speed,float(bonuses.get("max_speed",0.0)),float(bonuses.get("speed_percent",0.0)))
@@ -158,11 +170,18 @@ func _ensure_input_action(action_name: StringName, physical_key: Key) -> void:
 	if not InputMap.action_has_event(action_name, event):
 		InputMap.action_add_event(action_name, event)
 
-func take_damage(amount: float, _critical: bool = false, damage_type: int = DamageTypes.Type.KINETIC) -> void:
+func take_enemy_weapon_hit(amount: float, critical: bool, damage_type: int, source: Node) -> void:
+	take_damage(amount,critical,damage_type,source)
+
+func get_weapon_energy_cost(amount: float) -> float:
+	return amount*0.5 if _shield_reserve_remaining > 0.0 else amount
+
+func take_damage(amount: float, _critical: bool = false, damage_type: int = DamageTypes.Type.KINETIC, source: Node = null) -> void:
 	if amount > 0 and not is_docked:
 		landing_combat_lock = 6.0
 	if _is_destroyed or is_docked or amount <= 0.0:
 		return
+	if _bastion_invulnerability > 0.0: return
 	var hit := COMBAT_ROLLS.incoming_hit(amount * (1.0 - absorption[damage_type] / 100.0), get_evasion_chance(), get_damage_reduction())
 	if hit["evaded"]:
 		var flash := Node2D.new()
@@ -178,6 +197,15 @@ func take_damage(amount: float, _critical: bool = false, damage_type: int = Dama
 		get_parent().add_child(popup)
 		return
 	var remaining_damage: float = hit["damage"]
+	var research := preload("res://scripts/planets/alien_research.gd")
+	var shields_before := shields
+	if shields > 0.0:
+		if research.learned("shields_b_next_next") and _salvo_cooldown <= 0.0:
+			remaining_damage *= 0.1
+			_salvo_cooldown = 60.0
+			_hull_technology_feedback("ROZPROSZENIE SALWY")
+		elif _emergency_shield_remaining > 0.0:
+			remaining_damage *= 0.5
 	var shield_damage := minf(shields, remaining_damage)
 	shields -= shield_damage
 	if shield_damage > 0.0:
@@ -188,13 +216,70 @@ func take_damage(amount: float, _critical: bool = false, damage_type: int = Dama
 			energy += recovered
 			_polarization_budget -= recovered
 	remaining_damage -= shield_damage
+	if shields_before >= max_shields*0.3 and shields < max_shields*0.3 and research.learned("shields_b_next") and _shield_reserve_cooldown <= 0.0:
+		_shield_reserve_cooldown = 15.0
+		_shield_reserve_remaining = 2.0
+		_hull_technology_feedback("REZERWA KONDENSATORÓW")
+	if shields_before > 0.0 and shields <= 0.0 and research.learned("shields_b_next_next_next") and _emergency_shield_cooldown <= 0.0 and not GameState.captain.is_skill_active("power_redirect"):
+		shields = max_shields*0.25
+		_emergency_shield_cooldown = 30.0
+		_emergency_shield_remaining = 2.0
+		_hull_technology_feedback("TARCZA AWARYJNA")
+	if shield_damage > 0.0 and research.learned("shields_a_next_next_next") and is_instance_valid(source) and source.is_in_group("enemies") and not bool(source.get("virus_controlled")) and float(source.get("hull")) > 0.0:
+		var effect := Node2D.new()
+		effect.set_script(preload("res://scripts/game/shield_research_effect.gd"))
+		effect.position = global_position
+		effect.endpoint = source.global_position-global_position
+		get_parent().add_child(effect)
+		source.take_damage(shield_damage*0.2,false,DamageTypes.Type.ENERGY)
+	if remaining_damage > 0.0 and research.learned("hull_b_next") and _reactive_armor_cooldown <= 0.0:
+		remaining_damage *= 0.3
+		_reactive_armor_cooldown = 15.0
+		_hull_technology_feedback("PANCERZ REAKTYWNY")
+	var hull_before := hull
 	hull = maxf(0.0, hull - remaining_damage)
+	if hull <= 0.0 and research.learned("hull_b_next_next_next") and not GameState.hull_bastion_used:
+		hull = 1.0
+		GameState.hull_bastion_used = true
+		_bastion_invulnerability = 2.0
+		_hull_technology_feedback("OSTATNI BASTION")
+	if hull > 0.0 and hull_before >= max_hull*0.3 and hull < max_hull*0.3 and research.learned("hull_b_next_next") and _bulkhead_cooldown <= 0.0:
+		_bulkhead_cooldown = 45.0
+		_bulkhead_repair_remaining = 5.0
+		_hull_technology_feedback("AWARYJNE GRODZIE")
 	if shield_damage > 0.0 and shields > 0.0:
 		_shield_visual.call("flash_hit")
 	_update_shield_visual()
 	if hull <= 0.0:
 		_destroy_ship()
 
+func tick_hull_technologies(delta: float) -> void:
+	if _is_destroyed or is_docked: return
+	_shield_reserve_cooldown = maxf(0.0,_shield_reserve_cooldown-delta)
+	_shield_reserve_remaining = maxf(0.0,_shield_reserve_remaining-delta)
+	_salvo_cooldown = maxf(0.0,_salvo_cooldown-delta)
+	_emergency_shield_cooldown = maxf(0.0,_emergency_shield_cooldown-delta)
+	_emergency_shield_remaining = maxf(0.0,_emergency_shield_remaining-delta)
+	_reactive_armor_cooldown = maxf(0.0,_reactive_armor_cooldown-delta)
+	_bulkhead_cooldown = maxf(0.0,_bulkhead_cooldown-delta)
+	_bastion_invulnerability = maxf(0.0,_bastion_invulnerability-delta)
+	if _bulkhead_repair_remaining > 0.0:
+		var step := minf(delta,_bulkhead_repair_remaining)
+		_bulkhead_repair_remaining = maxf(0.0,_bulkhead_repair_remaining-delta)
+		hull = minf(max_hull,hull+max_hull*0.03*step)
+
+func _hull_technology_feedback(text: String) -> void:
+	var popup := DAMAGE_POPUP_SCENE.instantiate() as Label
+	popup.text = text
+	popup.set("text_color",Color("79efb2"))
+	popup.position = position+Vector2(-60,-48)
+	get_parent().add_child(popup)
+	var flash := Node2D.new()
+	flash.set_script(COMBAT_FLASH)
+	flash.set("flash_color",Color("79efb2"))
+	flash.position = position
+	get_parent().add_child(flash)
+
 func restore_shields_from_damage(actual_damage: float) -> void:
 	if _is_destroyed or actual_damage <= 0.0 or shield_on_damage_percent <= 0.0 or GameState.captain.is_skill_active("power_redirect"):
 		return
@@ -337,10 +422,35 @@ func _show_defeat_screen() -> void:
 	get_parent().add_child(overlay)
 
 func _restart_level_after_destruction() -> void:
-	if is_inside_tree():
-		$ShipInventory.preserve_for_restart()
+	if not is_inside_tree() or _restart_requested: return
+	_restart_requested = true
+	_reload_after_destruction.call_deferred()
+
+func _reload_after_destruction() -> void:
+	var bastion_used := GameState.hull_bastion_used
+	var active: Dictionary = GameState.active_distant_map.duplicate(true)
+	var home: Dictionary = GameState.distant_home.duplicate(true)
+	var level := GameState.system_level
+	var seed_value := GameState.system_seed
+	$ShipInventory.preserve_for_restart()
+	if not active.is_empty():
+		GameState.restore_distant_home()
+		GameState.return_to_freighter = true
+	else:
 		GameState.reset_current_system_exploration()
-		get_tree().reload_current_scene.call_deferred()
+	var error := get_tree().reload_current_scene()
+	if error != OK:
+		GameState.hull_bastion_used = bastion_used
+		GameState.active_distant_map = active
+		GameState.distant_home = home
+		GameState.system_level = level
+		GameState.system_seed = seed_value
+		GameState.return_to_freighter = false
+		GameState.restart_inventory.clear()
+		_restart_requested = false
+		var overlay := get_parent().get_node_or_null("DefeatOverlay")
+		if overlay != null: overlay.set("_retrying",false)
+		push_error("Could not recover after destruction: %s" % error_string(error))
 
 func _physics_process(delta: float) -> void:
 	landing_combat_lock = maxf(0, landing_combat_lock - delta)
@@ -353,6 +463,7 @@ func _physics_process(delta: float) -> void:
 		_mini_boost_active = false
 		return
 	_refill_recovery_budgets(delta)
+	tick_hull_technologies(delta)
 	_contact_damage_timer = maxf(0.0, _contact_damage_timer - delta)
 	energy = minf(max_energy, energy + get_energy_regeneration() * delta)
 	var was_mini_boosting := _mini_boost_active

scripts/game/weapon_controller.gd

@@ -16,6 +16,7 @@ var _fire_just_pressed := [false, false, false]
 var _drag_fire_blocked := false
 var missile_cooldown_remaining := 0.0
 var missile_cooldown_duration := 5.0
+var _last_hit_targets: Dictionary = {}
 
 func _ready() -> void:
 	_ensure_input_action(&"ship_fire_primary", MOUSE_BUTTON_LEFT)
@@ -175,7 +176,7 @@ func _exit_tree() -> void:
 func _fire_laser(slot_index: int, item: ItemInstance) -> void:
 	var definition := item.definition
 	var line := _laser_lines[slot_index]
-	if _shot_timers[slot_index] > 0.0 or float(ship.get("energy")) < item.get_energy_cost():
+	if _shot_timers[slot_index] > 0.0 or float(ship.get("energy")) < _effective_energy_cost(item.get_energy_cost()):
 		return
 	var muzzle_position := _muzzle_position()
 	var direction := _aim_direction_from(muzzle_position)
@@ -200,8 +201,24 @@ func _fire_laser(slot_index: int, item: ItemInstance) -> void:
 	_break_cloak_on_fire()
 	if not result.is_empty():
 		var hit: Dictionary = ship.call("roll_weapon_hit", item)
-		_apply_damage(result.get("collider"), float(hit["damage"]), bool(hit["critical"]), item.shield_piercing(), item.get_damage_type())
+		var target: Node = result.get("collider")
+		var hull_before := float(target.get("hull")) if target.has_method("take_research_weapon_hit") else -1.0
+		_apply_damage(target, float(hit["damage"]), bool(hit["critical"]), item.shield_piercing(), item.get_damage_type())
 		_spawn_laser_impact(endpoint)
+		if hull_before >= 0 and float(target.get("hull")) < hull_before and preload("res://scripts/planets/alien_research.gd").learned("hull_a_next_next"):
+			var visited := _last_hit_targets.duplicate()
+			visited[target.get_instance_id()] = true
+			var exclusions: Array[RID] = [ship.get_rid(),target.get_rid()]
+			for hit_id in visited:
+				var prior := instance_from_id(hit_id) as CollisionObject2D
+				if is_instance_valid(prior) and prior.get_rid() not in exclusions: exclusions.append(prior.get_rid())
+			var through := PhysicsRayQueryParameters2D.create(endpoint+direction*2.0,muzzle_position+direction*definition.weapon_range,RAY_COLLISION_MASK,exclusions)
+			var second := ship.get_world_2d().direct_space_state.intersect_ray(through)
+			var second_end: Vector2 = second.get("position",muzzle_position+direction*definition.weapon_range)
+			line.add_point(second_end)
+			if not second.is_empty():
+				preload("res://scripts/game/alien_weapon_effects.gd").apply_hit(second.get("collider"),float(hit.damage)*0.5,bool(hit.critical),item.get_damage_type(),item.shield_piercing(),visited,false,-1,0.5)
+				_spawn_laser_impact(second_end)
 	_laser_pulse_timers[slot_index] = definition.laser_pulse_duration
 	_shot_timers[slot_index] = item.get_fire_interval()
 
@@ -227,14 +244,19 @@ func _consume_shot_resource(item: ItemInstance) -> bool:
 	return _consume_energy(item.get_energy_cost())
 
 func _consume_energy(amount: float) -> bool:
+	amount = _effective_energy_cost(amount)
 	var current_energy := float(ship.get("energy"))
 	if current_energy < amount:
 		return false
 	ship.set("energy", current_energy - amount)
 	return true
 
+func _effective_energy_cost(amount: float) -> float:
+	return float(ship.get_weapon_energy_cost(amount)) if ship.has_method("get_weapon_energy_cost") else amount
+
 func _apply_damage(target: Variant, damage: float, critical: bool = false, piercing: float = 0.0, damage_type: int = DamageTypes.Type.ENERGY) -> void:
-	preload("res://scripts/game/alien_weapon_effects.gd").apply_hit(target,damage,critical,damage_type,piercing,{})
+	_last_hit_targets = {}
+	preload("res://scripts/game/alien_weapon_effects.gd").apply_hit(target,damage,critical,damage_type,piercing,_last_hit_targets)
 
 func _spawn_laser_impact(at_position: Vector2) -> void:
 	var effect := IMPACT_EFFECT_SCENE.instantiate() as Node2D

scripts/game/weapon_projectile.gd

@@ -36,6 +36,9 @@ var source_ship: Node2D
 var research_disabled_system := -2
 var _interception_checked := false
 var _harmless_intercepted := false
+var _overpenetration_used := false
+var _pierced_ship: Node
+var _research_damage_scale := 1.0
 
 func get_damage_type() -> int:
 	return damage_type_override if damage_type_override >= 0 else DamageTypes.for_weapon(weapon_kind)
@@ -125,6 +128,10 @@ func _physics_process(delta: float) -> void:
 	var next_position := previous_position + displacement
 	var exclusions: Array[RID] = [get_rid()]
 	if is_instance_valid(source_ship) and source_ship is CollisionObject2D: exclusions.append(source_ship.get_rid())
+	if is_instance_valid(_pierced_ship) and _pierced_ship is CollisionObject2D: exclusions.append(_pierced_ship.get_rid())
+	for hit_id in _already_hit:
+		var prior := instance_from_id(hit_id) as CollisionObject2D
+		if is_instance_valid(prior) and prior.get_rid() not in exclusions: exclusions.append(prior.get_rid())
 	var query := PhysicsRayQueryParameters2D.create(
 		previous_position,
 		next_position,
@@ -266,6 +273,7 @@ func _on_area_entered(area: Area2D) -> void:
 
 func _hit_target(target: Node) -> void:
 	if target == source_ship: return
+	if target == _pierced_ship or _already_hit.has(target.get_instance_id()): return
 	if enemy_shot and weapon_kind == ItemDefinition.WeaponKind.MISSILE and target is Node2D and target.name == "PlayerShip":
 		if try_intercept(target): return
 	if _impact_handled:
@@ -276,12 +284,32 @@ func _hit_target(target: Node) -> void:
 	if enemy_shot and target.is_in_group("asteroids"):
 		queue_free()
 		return
-	if weapon_kind == ItemDefinition.WeaponKind.MISSILE:
+	var hull_before := float(target.get("hull")) if target.has_method("take_research_weapon_hit") else -1.0
+	if weapon_kind == ItemDefinition.WeaponKind.MISSILE and not _overpenetration_used:
 		_explode_at_target(target)
 	else:
 		_apply_damage_once(target)
+	if not enemy_shot and not _overpenetration_used and hull_before >= 0 and float(target.get("hull")) < hull_before and preload("res://scripts/planets/alien_research.gd").learned("hull_a_next_next"):
+		_spawn_overpenetration(target)
 	queue_free()
 
+func _spawn_overpenetration(target: Node) -> void:
+	var remaining_range := maxf(0.0,max_range-_distance_travelled)
+	if remaining_range < 4.0: return
+	var shot := (load("res://scenes/game/weapon_projectile.tscn") as PackedScene).instantiate()
+	shot.configure(global_position+direction*2.0,direction,weapon_kind,projectile_speed,damage*0.5,remaining_range,null,is_critical)
+	shot.damage_type_override = damage_type_override
+	shot.shield_piercing = shield_piercing
+	shot.collision_mask = collision_mask
+	shot.source_ship = source_ship
+	shot.missile_homing = false
+	shot._overpenetration_used = true
+	shot._pierced_ship = target
+	shot._already_hit = _already_hit.duplicate()
+	shot._research_damage_scale = 0.5
+	shot.research_disabled_system = -1
+	get_parent().call_deferred("add_child",shot)
+
 func _spawn_impact_effect(is_explosion: bool) -> void:
 	var effect := IMPACT_EFFECT_SCENE.instantiate() as Node2D
 	effect.global_position = global_position
@@ -320,13 +348,16 @@ func _apply_damage_once(target: Variant) -> void:
 		return
 	if not enemy_shot:
 		if research_disabled_system == -2: research_disabled_system = preload("res://scripts/game/alien_weapon_effects.gd").roll_disabled_system()
-		preload("res://scripts/game/alien_weapon_effects.gd").apply_hit(target,damage,is_critical,get_damage_type(),shield_piercing,_already_hit,weapon_kind != ItemDefinition.WeaponKind.MISSILE,research_disabled_system)
+		preload("res://scripts/game/alien_weapon_effects.gd").apply_hit(target,damage,is_critical,get_damage_type(),shield_piercing,_already_hit,not _overpenetration_used and weapon_kind != ItemDefinition.WeaponKind.MISSILE,research_disabled_system,_research_damage_scale)
 		if weapon_kind == ItemDefinition.WeaponKind.GAMMA and get_damage_type() == DamageTypes.Type.RADIATION and not target.is_queued_for_deletion():
 			preload("res://scripts/game/radiation_status.gd").apply(target,damage*0.25,true,shield_piercing)
 		return
 	_already_hit[instance_id] = true
 	if enemy_shot and target is CharacterBody2D and target.has_method("take_damage"):
-		target.call("take_damage", damage, is_critical, get_damage_type())
+		if target.has_method("take_enemy_weapon_hit"):
+			target.call("take_enemy_weapon_hit",damage,is_critical,get_damage_type(),source_ship)
+		else:
+			target.call("take_damage", damage, is_critical, get_damage_type())
 	elif target.has_method("take_piercing_weapon_hit"):
 		target.call("take_piercing_weapon_hit", damage, is_critical, get_damage_type(), shield_piercing)
 	elif target.has_method("take_weapon_hit"):

scripts/items/ship_inventory.gd

@@ -465,6 +465,8 @@ func _comparison_stats(bonuses: Dictionary) -> Dictionary:
 		var value := (float(ship.get(data[1])) + float(bonuses.get(data[0], 0.0))) * (1.0 + float(bonuses.get(data[2], 0.0)) / 100.0)
 		stats[data[0]] = {"value": value, "name": data[3], "unit": data[4]}
 	stats.max_speed.value = minf(240.0,float(stats.max_speed.value))
+	if preload("res://scripts/planets/alien_research.gd").learned("hull_b"): stats.max_hull.value *= 1.1
+	if preload("res://scripts/planets/alien_research.gd").learned("shields_b"): stats.max_shields.value *= 1.1
 	for data in [["max_energy", "base_max_energy", "Energia", "pkt"], ["scanner_range", "base_scanner_range", "Zasięg skanera", "px"], ["energy_regeneration", "base_energy_regeneration", "Regeneracja energii", "pkt/s"], ["shield_regeneration", "base_shield_regeneration", "Regeneracja tarcz", "pkt/s"]]:
 		stats[data[0]] = {"value": float(ship.get(data[1])) + float(bonuses.get(data[0], 0.0)), "name": data[2], "unit": data[3]}
 	var balance := preload("res://scripts/items/equipment_balance.gd")

scripts/planets/alien_research.gd

@@ -1,8 +1,11 @@
 extends RefCounted
-const ACTIVE_IDS := ["general", "weapons", "hull", "shields", "weapons_a", "weapons_a_next", "weapons_a_next_next", "weapons_a_next_next_next", "weapons_b", "weapons_b_next", "weapons_b_next_next", "weapons_b_next_next_next"]
+const ACTIVE_IDS := ["general", "weapons", "hull", "shields", "weapons_a", "weapons_a_next", "weapons_a_next_next", "weapons_a_next_next_next", "weapons_b", "weapons_b_next", "weapons_b_next_next", "weapons_b_next_next_next", "hull_a", "hull_a_next", "hull_a_next_next", "hull_a_next_next_next", "hull_b", "hull_b_next", "hull_b_next_next", "hull_b_next_next_next", "shields_a", "shields_a_next", "shields_a_next_next", "shields_a_next_next_next", "shields_b", "shields_b_next", "shields_b_next_next", "shields_b_next_next_next"]
 const BRANCHES := ["weapons", "hull", "shields"]
 const SYSTEM_DISABLE_DURATION := 5.0
-const TITLES := {"general":"Ogólna wiedza", "weapons":"Wiedza o broni", "hull":"Wiedza o kadłubie", "shields":"Wiedza o tarczach", "weapons_a":"Słaby punkt", "weapons_a_next":"Celny strzał", "weapons_a_next_next":"Rykoszet", "weapons_a_next_next_next":"Strzał w 10", "weapons_b":"Manewr wyprzedzający", "weapons_b_next":"System obrony przed obcymi", "weapons_b_next_next":"Dezorientacja celowania", "weapons_b_next_next_next":"Zakłócenia systemów obcych"}
+const TITLES := {"hull_a":"Analiza konstrukcji", "hull_a_next":"Pęknięcie poszycia", "hull_a_next_next":"Przestrzał", "hull_a_next_next_next":"Rozpad konstrukcji", "hull_b":"Wzmocnione poszycie", "hull_b_next":"Pancerz reaktywny", "hull_b_next_next":"Awaryjne grodzie", "hull_b_next_next_next":"Ostatni bastion", "general":"Ogólna wiedza", "weapons":"Wiedza o broni", "hull":"Wiedza o kadłubie", "shields":"Wiedza o tarczach", "weapons_a":"Słaby punkt", "weapons_a_next":"Celny strzał", "weapons_a_next_next":"Rykoszet", "weapons_a_next_next_next":"Strzał w 10", "weapons_b":"Manewr wyprzedzający", "weapons_b_next":"System obrony przed obcymi", "weapons_b_next_next":"Dezorientacja celowania", "weapons_b_next_next_next":"Zakłócenia systemów obcych"}
+
+const SHIELD_IDS := ["shields_a", "shields_a_next", "shields_a_next_next", "shields_a_next_next_next", "shields_b", "shields_b_next", "shields_b_next_next", "shields_b_next_next_next"]
+const SHIELD_TITLES := ["Analiza częstotliwości", "Blokada regeneracji", "Przeciążenie osłon", "Odwrócona polaryzacja", "Pojemne kondensatory", "Rezerwa kondensatorów", "Rozproszenie salwy", "Tarcza awaryjna"]
 
 static func learned(id: String) -> bool:
 	return id in ACTIVE_IDS and bool(GameState.captain.expedition.alien_skills.get(id,false))
@@ -19,14 +22,31 @@ static func cost(id: String) -> int:
 	return 10 + depth * 5
 
 static func title(id: String) -> String:
+	if id in SHIELD_IDS: return SHIELD_TITLES[SHIELD_IDS.find(id)]
 	return str(TITLES.get(id, "Pusty slot"))
 
 static func description(id: String) -> String:
 	match id:
+		"shields_a": return "Dodatkowe 5% obrażeń tarczom obcych. Sumuje się z Wiedzą o tarczach."
+		"shields_a_next": return "Trafienie tarczy obcego blokuje regenerację na 5 s. Kolejne trafienia odświeżają czas."
+		"shields_a_next_next": return "Zbicie tarczy obcego razi pozostałych obcych w promieniu 120 px za 400% obrażeń trafienia, które zbiło tarczę. Bez reakcji łańcuchowych. Ten sam wróg wywołuje impuls najwyżej raz na 10 s."
+		"shields_a_next_next_next": return "Obcy trafiający twoją aktywną tarczę otrzymuje wyładowanie równe 20% obrażeń faktycznie pochłoniętych przez osłonę. Bez kolejnych efektów trafienia."
+		"shields_b": return "Zwiększa maksymalne tarcze o 10%. Zakup nie uzupełnia osłon."
+		"shields_b_next": return "Spadek tarcz z co najmniej 30% poniżej tego progu zmniejsza koszt energii broni o 50% przez 2 s. Odnowienie: 15 s."
+		"shields_b_next_next": return "Pierwsze trafienie w aktywną tarczę zadaje tylko 10% obrażeń. Odnowienie: 60 s. Redukcja obejmuje też przebicie tego trafienia na kadłub."
+		"shields_b_next_next_next": return "Po zbiciu tarcz natychmiast odzyskujesz 25% ich maksimum. Przez 2 s obrażenia kierowane w tarczę są zmniejszone o 50%. Odnowienie: 30 s. Nie sumuje redukcji z Rozproszeniem salwy; działa silniejsza. Dokowanie nie resetuje odnowienia."
 		"general": return "Ujawnia paski HP i tarcz wrogów."
 		"weapons": return "Broń obcych zadaje o 10% mniej obrażeń."
 		"hull": return "Twoja broń zadaje o 10% więcej obrażeń kadłubom obcych."
 		"shields": return "Twoja broń zadaje o 10% więcej obrażeń tarczom obcych."
+		"hull_a": return "Twoja broń zadaje dodatkowe 5% obrażeń kadłubom obcych. Sumuje się z Wiedzą o kadłubie."
+		"hull_a_next": return "Bezpośrednie trafienie odsłoniętego kadłuba otwiera wyrwę na 5 s. Kolejne twoje trafienia ignorują połowę absorpcji tego statku. Wyrwy nie sumują się."
+		"hull_a_next_next": return "Po uszkodzeniu kadłuba pocisk lub laser przebija jeden dodatkowy cel za 50% obrażeń. Rakieta wypuszcza dodatkowy pocisk penetrujący bez kolejnej eksplozji. Bez łańcuchowych przestrzałów i dodatkowego kosztu strzału."
+		"hull_a_next_next_next": return "Bezpośrednie trafienie kadłuba dobija zwykłego obcego przy maksymalnie 8% kadłuba, a bossa przy 2%. Statek rozpada się na fragmenty."
+		"hull_b": return "Zwiększa maksymalny kadłub twojego statku o 10%. Zakup nie odnawia utraconego kadłuba."
+		"hull_b_next": return "Pierwsze trafienie sięgające kadłuba po utracie tarcz zadaje kadłubowi o 70% mniej obrażeń. Odnowienie: 15 s aktywnego lotu."
+		"hull_b_next_next": return "Spadek kadłuba z co najmniej 30% poniżej tego progu uruchamia naprawę 15% maksymalnego kadłuba przez 5 s. Odnowienie: 45 s. Trafienia nie przerywają naprawy."
+		"hull_b_next_next_next": return "Śmiertelne trafienie zostawia 1 punkt kadłuba i daje 2 s niewrażliwości. Raz na wyprawę lub wejście do zwykłego układu. Dokowanie ani restart po porażce nie odnawiają efektu."
 		"weapons_a": return "Każde bezpośrednie trafienie twojej broni zadaje obcym dodatkowe 5 obrażeń przed absorpcją."
 		"weapons_a_next": return "Każdy strzał ma 1% szansy wyłączyć na 5 sekund losowy system obcego: silnik, broń lub tarcze. Czerwona ikona nad wrogiem wskazuje wyłączony system. Obrażenia okresowe nie losują ponownie."
 		"weapons_a_next_next": return "Trafienie dowolną bronią razi też obcych do 10 px od obrysu trafionego statku. Promień eksplozji twoich rakiet rośnie o 10 px. Bez łańcuchowych rykoszetów."

scripts/planets/freighter_screen.gd

@@ -632,6 +632,7 @@ func _build_alien_research() -> void:
 	_content.add_child(tree)
 
 func _research_completed() -> void:
+	if is_instance_valid(inventory): inventory._recalculate_ship_stats()
 	_audio.service_completed()
 	captain.emit_changed()
 	_refresh()

scripts/ui/defeat_overlay.gd

@@ -38,6 +38,8 @@ func _ready() -> void:
 	contents.add_child(title)
 	var note := Label.new()
 	note.text = "Układ %d\nWyposażenie i zapasy zostają zachowane." % GameState.system_level
+	if not GameState.active_distant_map.is_empty():
+		note.text = "Wyprawa zakończona. Mapa została zużyta.\nPowrót do układu %d.\nWyposażenie i zapasy zostają zachowane." % int(GameState.distant_home.get("level",1))
 	note.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
 	note.add_theme_font_size_override("font_size", 11)
 	note.add_theme_color_override("font_color", Color("a6bdce"))
@@ -45,6 +47,8 @@ func _ready() -> void:
 	var retry := Button.new()
 	retry.name = "RetryButton"
 	retry.text = "SPRÓBUJ PONOWNIE  [R]"
+	if not GameState.active_distant_map.is_empty():
+		retry.text = "WRÓĆ DO UKŁADU %d  [R]" % int(GameState.distant_home.get("level",1))
 	preload("res://scripts/ui/hud_button_style.gd").apply(retry)
 	var key := InputEventKey.new()
 	key.physical_keycode = KEY_R

scripts/ui/ship_statistics.gd

@@ -155,12 +155,25 @@ func _refresh_values() -> void:
 func _parameters() -> void:
 	var card := _section("01 / PANCERZ I OCHRONA", DEFENSE)
 	_metric(card, "hull", "Kadłub", func(): return "%.0f / %.0f" % [player.hull,player.max_hull], DEFENSE)
+	var hull_research := preload("res://scripts/planets/alien_research.gd")
+	if hull_research.learned("hull_b_next"):
+		_metric(card,"reactive_armor","Pancerz reaktywny",func(): return "%.1f s" % player._reactive_armor_cooldown if player._reactive_armor_cooldown > 0 else "GOTOWY",DEFENSE)
+	if hull_research.learned("hull_b_next_next"):
+		_metric(card,"bulkheads","Awaryjne grodzie",func(): return "NAPRAWA" if player._bulkhead_repair_remaining > 0 else ("%.1f s" % player._bulkhead_cooldown if player._bulkhead_cooldown > 0 else "GOTOWE"),DEFENSE)
+	if hull_research.learned("hull_b_next_next_next"):
+		_metric(card,"last_bastion","Ostatni bastion",func(): return "ZUŻYTY" if GameState.hull_bastion_used else "GOTOWY",DEFENSE)
 	_metric(card, "reduction", "Redukcja obrażeń", func(): return "%.1f%%" % (player.get_damage_reduction()*100), DEFENSE, "Uwzględnia mechanika i aktywny efekt pancerza z tytanu.")
 	_metric(card, "evasion", "Szansa na unik", func(): return "%.1f%%" % (player.get_evasion_chance()*100), DEFENSE)
 	for index in range(3):
 		_metric(card, DamageTypes.KEYS[index], "Absorpcja: " + DamageTypes.NAMES[index].to_lower(), func(): return "%.1f%%" % player.absorption[index], DEFENSE)
 	card = _section("02 / TARCZE I ENERGIA", ENERGY)
 	_metric(card, "shields", "Tarcze", func(): return "%.0f / %.0f" % [player.shields,player.max_shields], CYAN)
+	if preload("res://scripts/planets/alien_research.gd").learned("shields_b_next"):
+		_metric(card,"shield_reserve","Rezerwa kondensatorów",func(): return "AKTYWNA %.1f s" % player._shield_reserve_remaining if player._shield_reserve_remaining > 0 else ("%.1f s" % player._shield_reserve_cooldown if player._shield_reserve_cooldown > 0 else "GOTOWA"),CYAN)
+	if preload("res://scripts/planets/alien_research.gd").learned("shields_b_next_next"):
+		_metric(card,"salvo","Rozproszenie salwy",func(): return "%.1f s" % player._salvo_cooldown if player._salvo_cooldown > 0 else "GOTOWE",CYAN)
+	if preload("res://scripts/planets/alien_research.gd").learned("shields_b_next_next_next"):
+		_metric(card,"emergency_shield","Tarcza awaryjna",func(): return "AKTYWNA %.1f s" % player._emergency_shield_remaining if player._emergency_shield_remaining > 0 else ("%.1f s" % player._emergency_shield_cooldown if player._emergency_shield_cooldown > 0 else "GOTOWA"),CYAN)
 	_metric(card, "shield_regeneration", "Regeneracja tarcz", func(): return "%.1f / s" % player.shield_regeneration, CYAN, "Do 3% maksymalnych tarcz na sekundę.")
 	_metric(card, "shield_on_damage", "Odzysk tarcz z obrażeń", func(): return "%.1f%%" % player.shield_on_damage_percent, CYAN, "Łącznie do 10% faktycznie zadanych obrażeń. Tempo: do 5% maksymalnych tarcz/s, z rezerwą na jedno takie odnowienie.")
 	_metric(card, "energy", "Energia", func(): return "%.0f / %.0f" % [player.energy,player.max_energy], ENERGY)
@@ -189,7 +202,7 @@ func _parameters() -> void:
 	_metric(card, "luck", "Szansa szczęścia", func(): return "%.1f%%" % (player.get_luck_chance()*100), GOLD)
 	var research := preload("res://scripts/planets/alien_research.gd")
 	for branch in research.BRANCHES:
-		_metric(card, "research_" + branch, {"weapons":"Osłabienie broni obcych","hull":"Obrażenia kadłubów obcych","shields":"Obrażenia tarcz obcych"}[branch], func(): return "%.0f%%" % (research.bonus(GameState.captain.expedition,branch)*100), ENERGY)
+		_metric(card, "research_" + branch, {"weapons":"Osłabienie broni obcych","hull":"Obrażenia kadłubów obcych","shields":"Obrażenia tarcz obcych"}[branch], func(): return "%.0f%%" % ((research.bonus(GameState.captain.expedition,branch)+(0.05 if branch=="hull" and research.learned("hull_a") else (0.05 if branch=="shields" and research.learned("shields_a") else 0.0)))*100), ENERGY)
 
 func _weapons() -> void:
 	for index in range(inventory.WEAPON_SLOT_COUNT):
@@ -205,7 +218,7 @@ func _weapons() -> void:
 		_metric(card, "weapon_dps_%d" % index, "DPS", func(): return "%.1f" % inventory.get_weapon_dps(index), GOLD)
 		_metric(card, "weapon_damage_%d" % index, "Obrażenia trafienia", func(): return "%.1f – %.1f" % [item.get_damage_range().x*player.get_weapon_damage_multiplier(), item.get_damage_range().y*player.get_weapon_damage_multiplier()], GOLD, "Zakres przed krytykiem i obroną przeciwnika.")
 		_metric(card, "weapon_interval_%d" % index, "Odstęp między strzałami", func(): return "%.2f s" % (inventory.get_missile_cooldown(item) if item.definition.weapon_kind == ItemDefinition.WeaponKind.MISSILE else item.get_fire_interval()))
-		_metric(card, "weapon_energy_%d" % index, "Energia na strzał", func(): return "%.1f" % item.get_energy_cost(), ENERGY)
+		_metric(card, "weapon_energy_%d" % index, "Energia na strzał", func(): return "%.1f" % player.get_weapon_energy_cost(item.get_energy_cost()), ENERGY)
 		_metric(card, "weapon_range_%d" % index, "Zasięg", func(): return "%.0f px" % item.definition.weapon_range)
 		UI.label(card,"Typ: " + DamageTypes.NAMES[item.get_damage_type()],12,UI.MUTED)
 	var info := _section("ODCZYT PARAMETRÓW", CYAN)

tests/distant_defeat_return.gd

@@ -0,0 +1,84 @@
+extends Node
+var is_runner := false
+
+func _ready() -> void:
+	if not is_runner:
+		var runner = get_script().new()
+		runner.is_runner = true
+		get_tree().root.add_child.call_deferred(runner)
+	else:
+		_run.call_deferred()
+
+func frames(count := 5) -> void:
+	for frame in count: await get_tree().process_frame
+
+func freeze(game: Node) -> void:
+	game.set_physics_process(false)
+	game.player.set_physics_process(false)
+	game.player.get_node("WeaponController").set_physics_process(false)
+	for enemy in get_tree().get_nodes_in_group("enemies"): enemy.set_physics_process(false)
+
+func _run() -> void:
+	GameState.start_new_run()
+	GameState.system_level = 7
+	GameState.system_seed = 777
+	GameState.remember_system()
+	GameState.hull_bastion_used = true
+	var progress: Resource = GameState.captain.expedition
+	progress.distant_maps["defeat_test"] = {"id":"defeat_test","level":125,"seed":123456,"name":"Sektor testowy","source_planet":"Test","source_level":120}
+	progress.deuter = 130000
+	assert(GameState.depart_distant("defeat_test"))
+	assert(not GameState.hull_bastion_used,"New expedition receives its own Last Bastion use")
+	GameState.hull_bastion_used = true
+	assert(not progress.distant_maps.has("defeat_test") and progress.deuter==5000)
+	get_tree().change_scene_to_file("res://scenes/game/game.tscn")
+	await frames()
+	var game := get_tree().current_scene
+	freeze(game)
+	var inventory: ShipInventory = game.player.get_node("ShipInventory")
+	var weapon: ItemInstance = inventory.weapon_slots[0]
+	weapon.special_orbs.append("piercing")
+	inventory.ammunition = 123
+	progress.distant_maps["found_on_expedition"] = {"id":"found_on_expedition","level":130,"seed":98765,"name":"Zdobyta mapa"}
+	GameState.explored_pois["777:kept"] = true
+	game.player._destroy_ship()
+	var explosion: Node = game.get_node("PlayerDestructionEffect")
+	explosion.set_process(false)
+	explosion._process(6.0)
+	assert(game.has_node("DefeatOverlay"))
+	var overlay: Node = game.get_node("DefeatOverlay")
+	var retry: Button = overlay.find_child("RetryButton",true,false)
+	assert(retry.text.contains("UKŁADU 7") and not retry.text.contains("PONOWNIE"))
+	overlay._retry()
+	overlay._retry()
+	await frames(10)
+	game = get_tree().current_scene
+	freeze(game)
+	assert(GameState.system_level==7 and GameState.system_seed==777)
+	assert(GameState.active_distant_map.is_empty() and GameState.distant_home.is_empty())
+	assert(GameState.hull_bastion_used,"Return restores the home's spent Last Bastion use")
+	assert(not progress.distant_maps.has("defeat_test") and progress.distant_maps.has("found_on_expedition"))
+	assert(progress.deuter==5000,"Defeat cannot refund flight fuel")
+	assert(not GameState.depart_distant("defeat_test"),"Consumed expedition cannot be retried")
+	assert(GameState.explored_pois.has("777:kept"),"Failed expedition must not reset home exploration")
+	assert(game.has_node("Freighter") and not game.has_node("DistantSector"))
+	inventory = game.player.get_node("ShipInventory")
+	assert(inventory.ammunition==123 and "piercing" in inventory.weapon_slots[0].special_orbs)
+	assert(not game.player._is_destroyed)
+	assert(game.player.is_docked and is_instance_valid(game.get_node("PlanetExpeditions").screen))
+	game.get_node("PlanetExpeditions")._leave()
+	GameState.explored_pois["777:regular_retry"] = true
+	game.player._destroy_ship()
+	explosion = game.get_node("PlayerDestructionEffect")
+	explosion.set_process(false)
+	explosion._process(6.0)
+	game.get_node("DefeatOverlay")._retry()
+	await frames(10)
+	game = get_tree().current_scene
+	freeze(game)
+	assert(GameState.system_level==7 and GameState.system_seed==777)
+	assert(GameState.asteroid_retry_seeds.has(777) and not GameState.explored_pois.has("777:regular_retry"))
+	assert(not game.player.is_docked and not get_tree().paused,"Normal-system defeat still retries the current system")
+	assert(GameState.hull_bastion_used,"Retry cannot renew Last Bastion")
+	assert(not progress.distant_maps.has("defeat_test") and progress.deuter==5000)
+	print("DISTANT_DEFEAT_RETURN: PASS (original system and seed, consumed map/fuel, preserved inventory and found maps, freighter docking, duplicate retry guarded)")

tests/distant_defeat_return.gd.uid

@@ -0,0 +1 @@
+uid://cmp21j0ag3y6g

tests/distant_defeat_return.tscn

@@ -0,0 +1,4 @@
+[gd_scene load_steps=2 format=3]
+[ext_resource type="Script" path="res://tests/distant_defeat_return.gd" id="1"]
+[node name="DistantDefeatReturn" type="Node"]
+script = ExtResource("1")

tests/distant_integration.gd

@@ -75,6 +75,12 @@ func _run() -> void:
 	check(not player.has_free_mini_boost(),"Unequipped engine no effect")
 	inventory.module_slots[2] = engine
 	check(game.travel_to_distant("integration"),"Flight requested")
+	await frames(3)
+	check(game.has_node("FreighterWarpDeparture") and get_tree().paused,"Departure cinematic freezes combat")
+	check(not game.travel_to_distant("integration"),"Cannot pay again during warp")
+	var warp_deadline := Time.get_ticks_msec()+7000
+	while get_tree().current_scene == game and Time.get_ticks_msec()<warp_deadline: await get_tree().process_frame
+	check(get_tree().current_scene != game and not get_tree().paused,"Warp completes and resumes gameplay")
 	await frames(8)
 	game = get_tree().current_scene
 	freeze_game(game)

tests/previews/freighter_warp_preview.gd

@@ -0,0 +1,15 @@
+extends Control
+
+func _ready() -> void:
+	var effect := preload("res://scripts/game/freighter_warp_departure.gd").new()
+	effect.start_position = Vector2(640,440)
+	effect.destination_name = "Odległy sektor 120"
+	add_child(effect)
+	effect.set_process(false)
+	for phase in [["charge",0.65],["acceleration",2.35],["entry",2.95],["flash",3.15]]:
+		effect.elapsed = phase[1]
+		effect._update_frame()
+		await get_tree().process_frame
+		await RenderingServer.frame_post_draw
+		get_viewport().get_texture().get_image().save_png("res://artifacts/freighter_warp_%s.png" % phase[0])
+	print("FREIGHTER_WARP_PREVIEW_OK: charge, acceleration, entry and flash captured")

tests/previews/freighter_warp_preview.gd.uid

@@ -0,0 +1 @@
+uid://d2eg5h67psikr

tests/previews/freighter_warp_preview.tscn

@@ -0,0 +1,10 @@
+[gd_scene load_steps=2 format=3]
+[ext_resource type="Script" path="res://tests/previews/freighter_warp_preview.gd" id="1"]
+[node name="FreighterWarpPreview" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1")

tests/ships/alien_hull_technologies_test.gd

@@ -0,0 +1,184 @@
+extends Node2D
+const DATA := preload("res://scripts/planets/alien_research.gd")
+const ENEMY := preload("res://scenes/game/enemy_ship.tscn")
+const PROJECTILE := preload("res://scenes/game/weapon_projectile.tscn")
+var player: CharacterBody2D
+var progress: Resource
+
+class StraightLaser extends "res://scripts/game/weapon_controller.gd":
+	func _aim_direction_from(_origin: Vector2) -> Vector2:
+		return Vector2.RIGHT
+
+func enemy_at(point: Vector2, hp := 1000.0, tier := 0) -> CharacterBody2D:
+	var enemy := ENEMY.instantiate() as CharacterBody2D
+	add_child(enemy)
+	enemy.set_physics_process(false)
+	enemy.position = point
+	enemy.loot_tier = tier
+	enemy.max_hull = hp
+	enemy.hull = hp
+	enemy.shields = 0.0
+	enemy.absorption = Vector3.ZERO
+	enemy._player = player
+	return enemy
+
+func _ready() -> void:
+	GameState.start_new_run()
+	progress = GameState.captain.expedition
+	progress.analysis_samples = 1000
+	assert(DATA.purchase(progress,"general") and DATA.purchase(progress,"hull"))
+	for side in ["a","b"]:
+		var id: String = "hull_"+side
+		for level in 4:
+			assert(DATA.cost(id)==20+level*5 and DATA.purchase(progress,id))
+			assert(not DATA.purchase(progress,id))
+			id+="_next"
+	assert(not DATA.purchase(progress,"shields_a"),"Shield category prerequisite is required")
+	progress.alien_skills = {"hull_a":true}
+	player = preload("res://scenes/game/player_ship.tscn").instantiate()
+	add_child(player)
+	player.set_physics_process(false)
+	player.get_node("WeaponController").set_physics_process(false)
+	var enemy := enemy_at(Vector2(5000,0))
+	enemy.take_research_weapon_hit(100,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(is_equal_approx(enemy.hull,895.0))
+	progress.alien_skills = {"hull_a_next":true}
+	enemy.hull = 1000.0
+	enemy.absorption = Vector3(0,60,0)
+	enemy.take_research_weapon_hit(100,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(enemy.hull==960.0 and enemy._hull_breach_remaining==5.0)
+	enemy.take_research_weapon_hit(100,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(enemy.hull==890.0 and enemy._hull_breach_remaining==5.0,"Breach halves absorption without stacking")
+	enemy._physics_process(5.1)
+	assert(enemy._hull_breach_remaining==0.0)
+	enemy.set_physics_process(false)
+	progress.alien_skills = {"hull_a_next_next_next":true}
+	var normal := enemy_at(Vector2(6000,0))
+	normal.configure(player,preload("res://scripts/items/alien_ship_catalog.gd").TEXTURES[0])
+	normal.hull = 90.0
+	normal.take_research_weapon_hit(10,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(normal.hull==0.0 and normal._execution_finish)
+	var collapse_found := false
+	for child in get_children():
+		if child.get_script()==preload("res://scripts/game/hull_collapse_effect.gd"):
+			assert(child._pieces.size()==9)
+			child._process(0.1)
+			collapse_found = true
+	assert(collapse_found,"Execution uses actual ship texture fragments")
+	var boss := enemy_at(Vector2(7000,0),1000,2)
+	boss.hull = 40.0
+	boss.take_research_weapon_hit(10,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(boss.hull==30.0)
+	boss.take_research_weapon_hit(10,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(boss.hull==0.0)
+	var shielded := enemy_at(Vector2(8000,0))
+	shielded.hull = 50.0
+	shielded.shields = 100.0
+	shielded.take_research_weapon_hit(10,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(shielded.hull==50.0,"A hit absorbed by shields cannot execute")
+	progress.alien_skills = {"hull_a_next_next":true}
+	var first := enemy_at(Vector2(100,100))
+	var second := enemy_at(Vector2(300,100))
+	var third := enemy_at(Vector2(500,100))
+	var shot := PROJECTILE.instantiate()
+	shot.configure(first.position,Vector2.RIGHT,ItemDefinition.WeaponKind.PLASMA,600,100,800)
+	add_child(shot)
+	shot.set_physics_process(false)
+	shot._hit_target(first)
+	await get_tree().process_frame
+	var continuation: Node
+	for child in get_children():
+		if child.get_script()==preload("res://scripts/game/weapon_projectile.gd") and child._overpenetration_used: continuation=child
+	assert(continuation!=null and continuation.damage==50.0)
+	continuation.set_physics_process(false)
+	continuation._physics_process(0.2)
+	assert(continuation.global_position.x>150.0,"Continuation exits the pierced ship instead of getting stuck")
+	continuation._physics_process(0.2)
+	assert(first.hull==900.0 and second.hull==950.0 and third.hull==1000.0)
+	assert(continuation.is_queued_for_deletion(),"A penetrating shot cannot create a third hit")
+	first.hull = 1000.0
+	second.hull = 1000.0
+	var missile := PROJECTILE.instantiate()
+	missile.configure(first.position,Vector2.RIGHT,ItemDefinition.WeaponKind.MISSILE,600,100,800)
+	add_child(missile)
+	missile.set_physics_process(false)
+	missile._hit_target(first)
+	await get_tree().process_frame
+	var missile_continuation: Node
+	for child in get_children():
+		if child.get_script()==preload("res://scripts/game/weapon_projectile.gd") and child._overpenetration_used and child.weapon_kind==ItemDefinition.WeaponKind.MISSILE: missile_continuation=child
+	assert(missile_continuation!=null)
+	missile_continuation.set_physics_process(false)
+	missile_continuation._physics_process(0.2)
+	missile_continuation._physics_process(0.2)
+	assert(first.hull==900.0 and second.hull==950.0 and third.hull==1000.0,"Missile continuation deals half damage to one additional target")
+	first.position = Vector2(160,-28)
+	second.position = Vector2(300,-28)
+	third.position = Vector2(450,-28)
+	first.hull = 1000.0
+	second.hull = 1000.0
+	var laser := StraightLaser.new()
+	player.add_child(laser)
+	laser.set_physics_process(false)
+	var laser_item := ItemInstance.new()
+	laser_item.definition = preload("res://resources/items/beam_laser.tres")
+	laser_item.damage_min = 100.0
+	laser_item.damage_max = 100.0
+	player.energy = 1000.0
+	await get_tree().physics_frame
+	await get_tree().physics_frame
+	laser._fire_laser(0,laser_item)
+	assert(first.hull==900.0 and second.hull==950.0 and third.hull==1000.0,"Laser penetrates precisely one additional target")
+	assert(laser._laser_lines[0].get_point_count()==3)
+	laser.queue_free()
+	progress.alien_skills = {"hull_b":true}
+	var inventory: ShipInventory = player.get_node("ShipInventory")
+	player.hull = 50.0
+	inventory._recalculate_ship_stats()
+	assert(is_equal_approx(player.max_hull,player.base_max_hull*1.1) and player.hull==50.0)
+	progress.alien_skills = {"hull_b_next":true}
+	player.max_hull = 100.0
+	player.hull = 100.0
+	player.shields = 5.0
+	player.absorption = Vector3.ZERO
+	player.take_damage(25.0)
+	assert(player.hull==94.0 and player._reactive_armor_cooldown==15.0)
+	player.take_damage(10.0)
+	assert(player.hull==84.0)
+	player.tick_hull_technologies(15.0)
+	player.take_damage(10.0)
+	assert(player.hull==81.0)
+	progress.alien_skills = {"hull_b_next_next":true}
+	player.hull = 40.0
+	player.shields = 0.0
+	player.take_damage(20.0)
+	assert(player.hull==20.0 and player._bulkhead_cooldown==45.0)
+	player.tick_hull_technologies(2.0)
+	assert(player.hull==26.0)
+	player.take_damage(1.0)
+	player.tick_hull_technologies(3.0)
+	assert(player.hull==34.0,"Hits do not interrupt five-second repair")
+	player.take_damage(10.0)
+	assert(player._bulkhead_repair_remaining==0.0,"Repair cannot retrigger during cooldown")
+	progress.alien_skills = {"hull_b_next_next_next":true}
+	player.hull = 10.0
+	player.take_damage(1000.0)
+	assert(player.hull==1.0 and not player._is_destroyed and GameState.hull_bastion_used)
+	player.take_damage(1000.0)
+	assert(player.hull==1.0)
+	player.is_docked = true
+	player.tick_hull_technologies(10.0)
+	assert(GameState.hull_bastion_used and player._bastion_invulnerability==2.0,"Docking does not renew Last Bastion")
+	player.is_docked = false
+	player.tick_hull_technologies(2.1)
+	player.take_damage(1000.0)
+	assert(player._is_destroyed,"Last Bastion works only once")
+	GameState.system_level = 7
+	GameState.system_seed = 777
+	progress.distant_maps["hull_test"] = {"id":"hull_test","level":125,"seed":123}
+	progress.deuter = 125000
+	assert(GameState.depart_distant("hull_test") and not GameState.hull_bastion_used)
+	GameState.hull_bastion_used = true
+	GameState.restore_distant_home()
+	assert(GameState.hull_bastion_used and GameState.system_level==7,"Return preserves the home's used rescue")
+	print("ALIEN_HULL_TECHNOLOGIES_TEST: PASS (8 technologies, costs, breach, execution thresholds, penetration, reactive armor, uninterrupted repair, persistent one-use rescue)")

tests/ships/alien_hull_technologies_test.gd.uid

@@ -0,0 +1 @@
+uid://c3opxto03cq3

tests/ships/alien_hull_technologies_test.tscn

@@ -0,0 +1,4 @@
+[gd_scene load_steps=2 format=3]
+[ext_resource type="Script" path="res://tests/ships/alien_hull_technologies_test.gd" id="1"]
+[node name="AlienHullTechnologiesTest" type="Node2D"]
+script = ExtResource("1")

tests/ships/alien_research_test.gd

@@ -10,12 +10,12 @@ func _ready() -> void:
 	assert(not DATA.purchase(progress, "general"))
 	assert(DATA.purchase(progress, "hull"))
 	assert(progress.analysis_samples == 75)
-	assert(not DATA.purchase(progress, "hull_a"))
-	assert(progress.analysis_samples == 75)
+	assert(DATA.purchase(progress, "hull_a"))
+	assert(progress.analysis_samples == 55)
 	assert(is_equal_approx(DATA.bonus(progress, "hull"), 0.1))
 	progress.alien_skills["hull_a"] = true
 	assert(is_equal_approx(DATA.bonus(progress, "hull"), 0.1))
-	assert(DATA.learned_count(progress) == 2)
+	assert(DATA.learned_count(progress) == 3)
 	progress.analysis_samples = 0
 	assert(not DATA.purchase(progress, "hull_b"))
 	progress.analysis_samples = 76
@@ -31,7 +31,7 @@ func _ready() -> void:
 	enemy.shields = 5
 	enemy.hull = 100
 	enemy.take_weapon_hit(10, false)
-	assert(is_equal_approx(enemy.hull, 94.5))
+	assert(is_equal_approx(enemy.hull, 94.25))
 	progress.analysis_samples = 100
 	assert(DATA.purchase(progress, "shields"))
 	assert(DATA.purchase(progress, "weapons"))
@@ -39,7 +39,7 @@ func _ready() -> void:
 	enemy.shields = 5.5
 	enemy.hull = 100
 	enemy.take_weapon_hit(10, false)
-	assert(is_equal_approx(enemy.hull, 94.5))
+	assert(is_equal_approx(enemy.hull, 94.25))
 	enemy.free()
 	var screen := preload("res://scenes/planets/freighter_interior.tscn").instantiate()
 	progress.freighter_rooms["expansion_2"] = "alien_research"

tests/ships/alien_shield_technologies_test.gd

@@ -0,0 +1,159 @@
+extends Node2D
+const DATA := preload("res://scripts/planets/alien_research.gd")
+const ENEMY := preload("res://scenes/game/enemy_ship.tscn")
+var player: CharacterBody2D
+var progress: Resource
+
+class StraightAlien extends "res://scripts/game/enemy_ship.gd":
+	func _laser_aim_direction(direction: Vector2) -> Vector2:
+		return direction
+
+func enemy_at(point: Vector2) -> CharacterBody2D:
+	var enemy := ENEMY.instantiate() as CharacterBody2D
+	enemy.set_script(StraightAlien)
+	add_child(enemy)
+	enemy.set_physics_process(false)
+	enemy.position = point
+	enemy.max_hull = 10000.0
+	enemy.hull = 10000.0
+	enemy.max_shields = 1000.0
+	enemy.shields = 1000.0
+	enemy.absorption = Vector3.ZERO
+	enemy._player = player
+	return enemy
+
+func _ready() -> void:
+	GameState.start_new_run()
+	progress = GameState.captain.expedition
+	progress.analysis_samples = 1000
+	assert(DATA.purchase(progress,"general") and DATA.purchase(progress,"shields"))
+	for side in ["a","b"]:
+		var id: String = "shields_"+side
+		for level in 4:
+			assert(DATA.cost(id)==20+level*5 and DATA.purchase(progress,id))
+			assert(not DATA.purchase(progress,id))
+			id+="_next"
+	assert(DATA.ACTIVE_IDS.size()==28)
+	player = preload("res://scenes/game/player_ship.tscn").instantiate()
+	add_child(player)
+	player.set_physics_process(false)
+	var weapon := player.get_node("WeaponController")
+	weapon.set_physics_process(false)
+	var enemy := enemy_at(Vector2(1000,0))
+	var nearby := enemy_at(Vector2(1100,0))
+	var chain := enemy_at(Vector2(1200,0))
+	progress.alien_skills = {"shields":true,"shields_a":true}
+	enemy.take_research_weapon_hit(100,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(is_equal_approx(enemy.shields,885.0),"Shield bonuses add to 15 percent")
+	progress.alien_skills = {"shields_a_next":true}
+	enemy.shields = 500
+	enemy.take_research_weapon_hit(10,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(enemy._shield_regen_lock==5.0)
+	enemy.regenerate_defenses(1.0)
+	assert(enemy.shields==490.0)
+	enemy.tick_shield_technologies(3.0)
+	enemy.take_research_weapon_hit(10,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(enemy._shield_regen_lock==5.0)
+	enemy.tick_shield_technologies(5.1)
+	enemy.regenerate_defenses(1.0)
+	assert(enemy.shields==490.0)
+	progress.alien_skills = {"shields_a_next_next":true}
+	enemy.shields = 50
+	nearby.shields = 50
+	enemy.take_research_weapon_hit(100,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(nearby.shields==0 and nearby.hull==9650,"Overload deals 400 percent, including spill")
+	assert(chain.shields==1000,"Overload cannot trigger a chain")
+	assert(enemy._shield_overload_cooldown==10)
+	enemy.shields = 1
+	enemy.take_research_weapon_hit(100,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(nearby.hull==9650,"Regrown shield cannot spam overload")
+	enemy.tick_shield_technologies(10.1)
+	enemy.shields = 1
+	enemy.take_research_weapon_hit(100,false,DamageTypes.Type.ENERGY,0,-1)
+	assert(nearby.hull==9250)
+	progress.alien_skills = {"shields_b":true}
+	player.shields = 20
+	player.apply_equipment_bonuses({})
+	assert(is_equal_approx(player.max_shields,player.base_max_shields*1.1) and player.shields==20)
+	player.max_shields = 100
+	player.max_hull = 1000
+	player.hull = 1000
+	player.absorption = Vector3.ZERO
+	progress.alien_skills = {"shields_b_next":true}
+	player.shields = 40
+	player.take_damage(20)
+	assert(player._shield_reserve_remaining==2 and player._shield_reserve_cooldown==15)
+	player.energy = 5
+	assert(weapon._consume_energy(10) and player.energy==0,"Reduced cost is applied once")
+	player.tick_hull_technologies(2.1)
+	player.energy = 5
+	assert(not weapon._consume_energy(10),"Normal cost after reserve expires")
+	player.shields = 40
+	player.take_damage(20)
+	assert(player._shield_reserve_remaining==0,"Reserve cooldown prevents retrigger")
+	progress.alien_skills = {"shields_b_next_next":true}
+	player.shields = 100
+	player.take_damage(100)
+	assert(player.shields==90 and player._salvo_cooldown==60)
+	player.take_damage(20)
+	assert(player.shields==70,"Only first hit is reduced")
+	player.is_docked = true
+	player.tick_hull_technologies(60)
+	assert(player._salvo_cooldown==60,"Docking does not refresh cooldown")
+	player.is_docked = false
+	player.tick_hull_technologies(60)
+	player.shields = 5
+	player.take_damage(100)
+	assert(player.shields==0 and player.hull==995,"First-hit reduction also covers spill")
+	progress.alien_skills = {"shields_b_next_next_next":true}
+	player.hull = 1000
+	player.shields = 10
+	player.take_damage(20)
+	assert(player.shields==25 and player.hull==990 and player._emergency_shield_cooldown==30)
+	player.take_damage(20)
+	assert(player.shields==15,"Emergency shield halves following hits")
+	progress.alien_skills["shields_b_next_next"] = true
+	player._salvo_cooldown = 0
+	player.take_damage(100)
+	assert(player.shields==5,"Stronger protection applies without multiplying reductions")
+	player.tick_hull_technologies(2.1)
+	player.take_damage(10)
+	assert(player.shields==0 and player.hull==985,"Emergency shield cannot retrigger during cooldown")
+	progress.alien_skills = {"shields_a_next_next_next":true}
+	player.shields = 100
+	enemy.shields = 100
+	player.take_enemy_weapon_hit(50,false,DamageTypes.Type.ENERGY,enemy)
+	assert(player.shields==50 and enemy.shields==90,"Reflection uses absorbed damage and actual shooter")
+	player.shields = 5
+	player.take_enemy_weapon_hit(50,false,DamageTypes.Type.ENERGY,enemy)
+	assert(enemy.shields==89,"Hull damage is not reflected")
+	player.take_enemy_weapon_hit(10,false,DamageTypes.Type.ENERGY,enemy)
+	assert(enemy.shields==89,"No reflection without shields")
+	player.shields = 100
+	enemy.virus_controlled = true
+	player.take_enemy_weapon_hit(10,false,DamageTypes.Type.ENERGY,enemy)
+	assert(enemy.shields==89,"Friendly controlled aliens do not receive reflection")
+	enemy.virus_controlled = false
+	player.shields = 100
+	var projectile := preload("res://scenes/game/weapon_projectile.tscn").instantiate()
+	projectile.enemy_shot = true
+	projectile.source_ship = enemy
+	projectile.damage = 20
+	add_child(projectile)
+	projectile.set_physics_process(false)
+	projectile._apply_damage_once(player)
+	assert(player.shields==80 and is_equal_approx(enemy.shields,85),"Enemy projectile retains its shooter for reflection")
+	projectile.queue_free()
+	var shooter := enemy_at(Vector2(0,-180))
+	shooter.weapon_kind = ItemDefinition.WeaponKind.LASER
+	shooter.weapon_damage = 20
+	shooter.weapon_range = 500
+	shooter._combat_target = player
+	player.shields = 100
+	await get_tree().physics_frame
+	await get_tree().physics_frame
+	var laser_damage: float = shooter.get_shot_damage()
+	shooter._fire_plasma(Vector2.DOWN)
+	assert(is_equal_approx(player.shields,100-laser_damage),"Actual laser hits the player")
+	assert(is_equal_approx(shooter.shields,1000-laser_damage*0.2),"Actual laser reflection returns to the shooter")
+	print("ALIEN_SHIELD_TECHNOLOGIES_TEST: PASS (8 skills, costs, 400% overload without chains, regen lock, energy reserve, 10% first hit/60s, emergency shield, reflection)")

tests/ships/alien_shield_technologies_test.gd.uid

@@ -0,0 +1 @@
+uid://cahdj1h5f6cfc

tests/ships/alien_shield_technologies_test.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://tests/ships/alien_shield_technologies_test.gd" id="1"]
+
+[node name="AlienShieldTechnologiesTest" type="Node2D"]
+script = ExtResource("1")

tests/ships/ship_statistics_test.gd

@@ -10,6 +10,9 @@ func shot(path: String) -> void:
 
 func _ready() -> void:
 	GameState.start_new_run()
+	for id in preload("res://scripts/planets/alien_research.gd").SHIELD_IDS:
+		GameState.captain.expedition.alien_skills[id] = true
+	GameState.captain.expedition.alien_skills["shields"] = true
 	GameState.system_level = 7
 	GameState.selected_ship_path = "res://assets/Ships/player/bastion.png"
 	var game := preload("res://scenes/game/game.tscn").instantiate()
@@ -46,6 +49,8 @@ func _ready() -> void:
 	var stats: PanelContainer = hud._ship_statistics
 	assert(stats.visible and stats.size.x == 690)
 	assert(stats._bindings.has("hull") and stats._bindings.has("critical") and stats._bindings.has("cargo"))
+	assert(stats._bindings.has("shield_reserve") and stats._bindings.has("salvo") and stats._bindings.has("emergency_shield"))
+	assert(stats._bindings.research_shields.label.text == "15%")
 	ship.absorption = Vector3(7,11,13)
 	ship.hull = 25
 	stats._refresh_values()
@@ -64,9 +69,12 @@ func _ready() -> void:
 	stats._select_tab("equipment")
 	assert(stats._bindings.has("extension_0"))
 	await shot("res://artifacts/ship_statistics_systems.png")
-	GameState.system_level = 61
+	GameState.system_level = 120
 	await settle()
-	assert(hud._system_title.text == "System 61" and hud._system_mode.text == "HARD")
+	assert(hud._system_title.text == "System 120" and hud._system_mode.text != "HARD")
+	GameState.system_level = 121
+	await settle()
+	assert(hud._system_title.text == "System 121" and hud._system_mode.text == "HARD")
 	var event := InputEventKey.new()
 	event.pressed = true
 	event.keycode = KEY_ESCAPE