From 598835c885ed1346a93ab519af29f0cd18ebc269 Mon Sep 17 00:00:00 2001
From: Tomasz Boruc <boructomek@gmail.com>
Date: Fri, 9 Oct 2026 14:51:58 +0200
Subject: [PATCH] Startowe przedmioty i sloty i magazyn

---
 resources/items/beam_laser.tres         |  13 +++
 resources/items/compact_generator.tres  |  13 +++
 resources/items/engine_extension.tres   |  13 +++
 resources/items/hull_plating.tres       |  13 +++
 resources/items/plasma_cannon.tres      |  13 +++
 resources/items/reinforced_shield.tres  |  13 +++
 scenes/game/game.tscn                   |   5 +-
 scenes/game/player_ship.tscn            |   6 +-
 scenes/ui/inventory_slot_view.tscn      |  16 ++++
 scenes/ui/ship_equipment_panel.tscn     | 101 +++++++---------------
 scenes/ui/ship_inventory_panel.tscn     |  44 ++++++++++
 scripts/game/flight_hud.gd              |   6 ++
 scripts/game/ship_controller.gd         |  15 ++++
 scripts/items/item_definition.gd        |  12 +++
 scripts/items/item_definition.gd.uid    |   1 +
 scripts/items/item_instance.gd          |  15 ++++
 scripts/items/item_instance.gd.uid      |   1 +
 scripts/items/item_stat_modifier.gd     |   5 ++
 scripts/items/item_stat_modifier.gd.uid |   1 +
 scripts/items/ship_inventory.gd         | 108 ++++++++++++++++++++++++
 scripts/items/ship_inventory.gd.uid     |   1 +
 scripts/ui/equipment_slot_view.gd       |  94 +++++++++++++++++++++
 scripts/ui/equipment_slot_view.gd.uid   |   1 +
 scripts/ui/ship_inventory_panel.gd      |  26 ++++++
 scripts/ui/ship_inventory_panel.gd.uid  |   1 +
 25 files changed, 464 insertions(+), 73 deletions(-)
 create mode 100644 resources/items/beam_laser.tres
 create mode 100644 resources/items/compact_generator.tres
 create mode 100644 resources/items/engine_extension.tres
 create mode 100644 resources/items/hull_plating.tres
 create mode 100644 resources/items/plasma_cannon.tres
 create mode 100644 resources/items/reinforced_shield.tres
 create mode 100644 scenes/ui/inventory_slot_view.tscn
 create mode 100644 scenes/ui/ship_inventory_panel.tscn
 create mode 100644 scripts/items/item_definition.gd
 create mode 100644 scripts/items/item_definition.gd.uid
 create mode 100644 scripts/items/item_instance.gd
 create mode 100644 scripts/items/item_instance.gd.uid
 create mode 100644 scripts/items/item_stat_modifier.gd
 create mode 100644 scripts/items/item_stat_modifier.gd.uid
 create mode 100644 scripts/items/ship_inventory.gd
 create mode 100644 scripts/items/ship_inventory.gd.uid
 create mode 100644 scripts/ui/equipment_slot_view.gd
 create mode 100644 scripts/ui/equipment_slot_view.gd.uid
 create mode 100644 scripts/ui/ship_inventory_panel.gd
 create mode 100644 scripts/ui/ship_inventory_panel.gd.uid

diff --git a/resources/items/beam_laser.tres b/resources/items/beam_laser.tres
new file mode 100644
index 0000000..4050a99
--- /dev/null
+++ b/resources/items/beam_laser.tres
@@ -0,0 +1,13 @@
+[gd_resource type="Resource" script_class="ItemDefinition" load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://scripts/items/item_definition.gd" id="1_definition"]
+
+[resource]
+script = ExtResource("1_definition")
+item_id = "beam_laser"
+display_name = "Laser wiązkowy"
+category = 0
+description = "Precyzyjna broń o dużym zasięgu."
+primary_stat = "damage"
+primary_value = 8.0
+stat_suffix = " DMG"
diff --git a/resources/items/compact_generator.tres b/resources/items/compact_generator.tres
new file mode 100644
index 0000000..f527801
--- /dev/null
+++ b/resources/items/compact_generator.tres
@@ -0,0 +1,13 @@
+[gd_resource type="Resource" script_class="ItemDefinition" load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://scripts/items/item_definition.gd" id="1_definition"]
+
+[resource]
+script = ExtResource("1_definition")
+item_id = "compact_generator"
+display_name = "Kompaktowy generator"
+category = 3
+description = "Zwiększa maksymalną pojemność energii."
+primary_stat = "max_energy"
+primary_value = 20.0
+stat_suffix = " energii"
diff --git a/resources/items/engine_extension.tres b/resources/items/engine_extension.tres
new file mode 100644
index 0000000..a16f8c0
--- /dev/null
+++ b/resources/items/engine_extension.tres
@@ -0,0 +1,13 @@
+[gd_resource type="Resource" script_class="ItemDefinition" load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://scripts/items/item_definition.gd" id="1_definition"]
+
+[resource]
+script = ExtResource("1_definition")
+item_id = "engine_extension"
+display_name = "Rozszerzenie silnika"
+category = 4
+description = "Pasywne rozszerzenie zwiększające prędkość maksymalną."
+primary_stat = "max_speed"
+primary_value = 40.0
+stat_suffix = " px/s"
diff --git a/resources/items/hull_plating.tres b/resources/items/hull_plating.tres
new file mode 100644
index 0000000..b13d6ff
--- /dev/null
+++ b/resources/items/hull_plating.tres
@@ -0,0 +1,13 @@
+[gd_resource type="Resource" script_class="ItemDefinition" load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://scripts/items/item_definition.gd" id="1_definition"]
+
+[resource]
+script = ExtResource("1_definition")
+item_id = "hull_plating"
+display_name = "Płyty kadłubowe"
+category = 2
+description = "Zwiększa maksymalną wytrzymałość kadłuba."
+primary_stat = "max_hull"
+primary_value = 25.0
+stat_suffix = " kadłuba"
diff --git a/resources/items/plasma_cannon.tres b/resources/items/plasma_cannon.tres
new file mode 100644
index 0000000..b8449b2
--- /dev/null
+++ b/resources/items/plasma_cannon.tres
@@ -0,0 +1,13 @@
+[gd_resource type="Resource" script_class="ItemDefinition" load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://scripts/items/item_definition.gd" id="1_definition"]
+
+[resource]
+script = ExtResource("1_definition")
+item_id = "plasma_cannon"
+display_name = "Działko plazmowe"
+category = 0
+description = "Szybkostrzelna broń krótkiego zasięgu."
+primary_stat = "damage"
+primary_value = 15.0
+stat_suffix = " DMG"
diff --git a/resources/items/reinforced_shield.tres b/resources/items/reinforced_shield.tres
new file mode 100644
index 0000000..84ae7db
--- /dev/null
+++ b/resources/items/reinforced_shield.tres
@@ -0,0 +1,13 @@
+[gd_resource type="Resource" script_class="ItemDefinition" load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://scripts/items/item_definition.gd" id="1_definition"]
+
+[resource]
+script = ExtResource("1_definition")
+item_id = "reinforced_shield"
+display_name = "Wzmocniony emiter"
+category = 1
+description = "Zwiększa maksymalną pojemność tarcz."
+primary_stat = "max_shields"
+primary_value = 30.0
+stat_suffix = " tarcz"
diff --git a/scenes/game/game.tscn b/scenes/game/game.tscn
index 8df01d7..73faa15 100644
--- a/scenes/game/game.tscn
+++ b/scenes/game/game.tscn
@@ -1,10 +1,11 @@
-[gd_scene load_steps=10 format=3]
+[gd_scene load_steps=11 format=3]
 
 [ext_resource type="Script" path="res://scripts/game/game.gd" id="1_game"]
 [ext_resource type="Script" path="res://scripts/game/space_level_background.gd" id="2_background"]
 [ext_resource type="PackedScene" path="res://scenes/game/player_ship.tscn" id="3_player"]
 [ext_resource type="Script" path="res://scripts/game/flight_hud.gd" id="4_hud"]
 [ext_resource type="PackedScene" path="res://scenes/ui/ship_equipment_panel.tscn" id="5_equipment"]
+[ext_resource type="PackedScene" path="res://scenes/ui/ship_inventory_panel.tscn" id="6_inventory"]
 
 [sub_resource type="RectangleShape2D" id="TopWall"]
 size = Vector2(5200, 40)
@@ -77,3 +78,5 @@ theme_override_font_sizes/font_size = 15
 text = "STATEK\nKADŁUB:  100 / 100\nTARCZE:  100 / 100\nENERGIA: 100 / 100"
 
 [node name="ShipEquipmentPanel" parent="HUD/HUDRoot" instance=ExtResource("5_equipment")]
+
+[node name="ShipInventoryPanel" parent="HUD/HUDRoot" instance=ExtResource("6_inventory")]
diff --git a/scenes/game/player_ship.tscn b/scenes/game/player_ship.tscn
index 348ce18..2743f8c 100644
--- a/scenes/game/player_ship.tscn
+++ b/scenes/game/player_ship.tscn
@@ -1,6 +1,7 @@
-[gd_scene load_steps=3 format=3]
+[gd_scene load_steps=4 format=3]
 
 [ext_resource type="Script" path="res://scripts/game/ship_controller.gd" id="1_controller"]
+[ext_resource type="Script" path="res://scripts/items/ship_inventory.gd" id="2_inventory"]
 
 [sub_resource type="CircleShape2D" id="ShipCollision"]
 radius = 24.0
@@ -19,3 +20,6 @@ shape = SubResource("ShipCollision")
 [node name="Camera2D" type="Camera2D" parent="."]
 position_smoothing_enabled = true
 position_smoothing_speed = 4.0
+
+[node name="ShipInventory" type="Node" parent="."]
+script = ExtResource("2_inventory")
diff --git a/scenes/ui/inventory_slot_view.tscn b/scenes/ui/inventory_slot_view.tscn
new file mode 100644
index 0000000..aa8f91d
--- /dev/null
+++ b/scenes/ui/inventory_slot_view.tscn
@@ -0,0 +1,16 @@
+[gd_scene load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://scripts/ui/equipment_slot_view.gd" id="1_slot"]
+
+[node name="InventorySlot" type="PanelContainer"]
+custom_minimum_size = Vector2(86, 62)
+script = ExtResource("1_slot")
+
+[node name="SlotLabel" type="Label" parent="."]
+layout_mode = 2
+mouse_filter = 2
+theme_override_colors/font_color = Color(0.82, 0.86, 0.9, 1)
+theme_override_font_sizes/font_size = 12
+text = "PUSTY"
+horizontal_alignment = 1
+vertical_alignment = 1
diff --git a/scenes/ui/ship_equipment_panel.tscn b/scenes/ui/ship_equipment_panel.tscn
index 6ad3014..a628f23 100644
--- a/scenes/ui/ship_equipment_panel.tscn
+++ b/scenes/ui/ship_equipment_panel.tscn
@@ -1,6 +1,7 @@
-[gd_scene load_steps=3 format=3]
+[gd_scene load_steps=4 format=3]
 
 [ext_resource type="Script" path="res://scripts/ui/ship_schematic.gd" id="1_schematic"]
+[ext_resource type="PackedScene" path="res://scenes/ui/inventory_slot_view.tscn" id="2_slot"]
 
 [sub_resource type="StyleBoxFlat" id="EquipmentPanelStyle"]
 bg_color = Color(0.018, 0.045, 0.085, 0.88)
@@ -48,27 +49,17 @@ horizontal_alignment = 1
 layout_mode = 2
 theme_override_constants/separation = 8
 
-[node name="Weapon1" type="PanelContainer" parent="Contents/WeaponSlots"]
-custom_minimum_size = Vector2(0, 40)
+[node name="Weapon1" parent="Contents/WeaponSlots" instance=ExtResource("2_slot")]
 layout_mode = 2
+custom_minimum_size = Vector2(118, 48)
+slot_kind = "weapon"
+slot_index = 0
 
-[node name="Label" type="Label" parent="Contents/WeaponSlots/Weapon1"]
+[node name="Weapon2" parent="Contents/WeaponSlots" instance=ExtResource("2_slot")]
 layout_mode = 2
-theme_override_colors/font_color = Color(0.82, 0.86, 0.9, 1)
-text = "BROŃ 1  [LPM]\nPUSTY"
-horizontal_alignment = 1
-vertical_alignment = 1
-
-[node name="Weapon2" type="PanelContainer" parent="Contents/WeaponSlots"]
-custom_minimum_size = Vector2(0, 40)
-layout_mode = 2
-
-[node name="Label" type="Label" parent="Contents/WeaponSlots/Weapon2"]
-layout_mode = 2
-theme_override_colors/font_color = Color(0.82, 0.86, 0.9, 1)
-text = "BROŃ 2  [PPM]\nPUSTY"
-horizontal_alignment = 1
-vertical_alignment = 1
+custom_minimum_size = Vector2(118, 48)
+slot_kind = "weapon"
+slot_index = 1
 
 [node name="Schematic" type="Control" parent="Contents"]
 custom_minimum_size = Vector2(0, 136)
@@ -88,68 +79,36 @@ columns = 2
 theme_override_constants/h_separation = 8
 theme_override_constants/v_separation = 6
 
-[node name="Module1" type="PanelContainer" parent="Contents/ModuleSlots"]
-custom_minimum_size = Vector2(0, 54)
+[node name="Module1" parent="Contents/ModuleSlots" instance=ExtResource("2_slot")]
 layout_mode = 2
+slot_kind = "module"
+slot_index = 0
 
-[node name="Label" type="Label" parent="Contents/ModuleSlots/Module1"]
+[node name="Module2" parent="Contents/ModuleSlots" instance=ExtResource("2_slot")]
 layout_mode = 2
-theme_override_colors/font_color = Color(0.82, 0.86, 0.9, 1)
-text = "MODUŁ 1\nPUSTY"
-horizontal_alignment = 1
-vertical_alignment = 1
+slot_kind = "module"
+slot_index = 1
 
-[node name="Module2" type="PanelContainer" parent="Contents/ModuleSlots"]
-custom_minimum_size = Vector2(0, 54)
+[node name="Module3" parent="Contents/ModuleSlots" instance=ExtResource("2_slot")]
 layout_mode = 2
+slot_kind = "module"
+slot_index = 2
 
-[node name="Label" type="Label" parent="Contents/ModuleSlots/Module2"]
+[node name="Module4" parent="Contents/ModuleSlots" instance=ExtResource("2_slot")]
 layout_mode = 2
-theme_override_colors/font_color = Color(0.82, 0.86, 0.9, 1)
-text = "MODUŁ 2\nPUSTY"
-horizontal_alignment = 1
-vertical_alignment = 1
+slot_kind = "module"
+slot_index = 3
 
-[node name="Module3" type="PanelContainer" parent="Contents/ModuleSlots"]
-custom_minimum_size = Vector2(0, 54)
+[node name="Module5" parent="Contents/ModuleSlots" instance=ExtResource("2_slot")]
 layout_mode = 2
+slot_kind = "module"
+slot_index = 4
 
-[node name="Label" type="Label" parent="Contents/ModuleSlots/Module3"]
+[node name="Module6" parent="Contents/ModuleSlots" instance=ExtResource("2_slot")]
 layout_mode = 2
-theme_override_colors/font_color = Color(0.82, 0.86, 0.9, 1)
-text = "MODUŁ 3\nPUSTY"
-horizontal_alignment = 1
-vertical_alignment = 1
+slot_kind = "module"
+slot_index = 5
 
-[node name="Module4" type="PanelContainer" parent="Contents/ModuleSlots"]
-custom_minimum_size = Vector2(0, 54)
+[node name="InventoryButton" type="Button" parent="Contents"]
 layout_mode = 2
-
-[node name="Label" type="Label" parent="Contents/ModuleSlots/Module4"]
-layout_mode = 2
-theme_override_colors/font_color = Color(0.82, 0.86, 0.9, 1)
-text = "MODUŁ 4\nPUSTY"
-horizontal_alignment = 1
-vertical_alignment = 1
-
-[node name="Module5" type="PanelContainer" parent="Contents/ModuleSlots"]
-custom_minimum_size = Vector2(0, 54)
-layout_mode = 2
-
-[node name="Label" type="Label" parent="Contents/ModuleSlots/Module5"]
-layout_mode = 2
-theme_override_colors/font_color = Color(0.82, 0.86, 0.9, 1)
-text = "MODUŁ 5\nPUSTY"
-horizontal_alignment = 1
-vertical_alignment = 1
-
-[node name="Module6" type="PanelContainer" parent="Contents/ModuleSlots"]
-custom_minimum_size = Vector2(0, 54)
-layout_mode = 2
-
-[node name="Label" type="Label" parent="Contents/ModuleSlots/Module6"]
-layout_mode = 2
-theme_override_colors/font_color = Color(0.82, 0.86, 0.9, 1)
-text = "MODUŁ 6\nPUSTY"
-horizontal_alignment = 1
-vertical_alignment = 1
+text = "OTWÓRZ MAGAZYN"
diff --git a/scenes/ui/ship_inventory_panel.tscn b/scenes/ui/ship_inventory_panel.tscn
new file mode 100644
index 0000000..372e388
--- /dev/null
+++ b/scenes/ui/ship_inventory_panel.tscn
@@ -0,0 +1,44 @@
+[gd_scene load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://scripts/ui/ship_inventory_panel.gd" id="1_inventory"]
+
+[node name="ShipInventoryPanel" type="PanelContainer"]
+visible = false
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -245.0
+offset_top = -208.0
+offset_right = 245.0
+offset_bottom = 208.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_inventory")
+
+[node name="Contents" type="VBoxContainer" parent="."]
+layout_mode = 2
+theme_override_constants/separation = 8
+
+[node name="Header" type="HBoxContainer" parent="Contents"]
+layout_mode = 2
+
+[node name="Title" type="Label" parent="Contents/Header"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_colors/font_color = Color(0.72, 0.88, 0.98, 1)
+theme_override_font_sizes/font_size = 16
+text = "MAGAZYN  (0 / 20)"
+
+[node name="CloseButton" type="Button" parent="Contents/Header"]
+layout_mode = 2
+text = "ZAMKNIJ"
+
+[node name="CargoGrid" type="GridContainer" parent="Contents"]
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 4
+columns = 4
+theme_override_constants/h_separation = 6
+theme_override_constants/v_separation = 6
diff --git a/scripts/game/flight_hud.gd b/scripts/game/flight_hud.gd
index 363df57..442b19a 100644
--- a/scripts/game/flight_hud.gd
+++ b/scripts/game/flight_hud.gd
@@ -3,11 +3,14 @@ extends CanvasLayer
 @onready var debug_toggle: Button = $HUDRoot/DebugToggle
 @onready var debug_info: Label = $HUDRoot/DebugInfo
 @onready var player: CharacterBody2D = get_parent().get_node("PlayerShip")
+@onready var inventory_button: Button = $HUDRoot/ShipEquipmentPanel/Contents/InventoryButton
+@onready var inventory_panel: Control = $HUDRoot/ShipInventoryPanel
 
 var _debug_expanded := true
 
 func _ready() -> void:
 	debug_toggle.pressed.connect(_toggle_debug)
+	inventory_button.pressed.connect(_toggle_inventory)
 	_update_debug_toggle()
 
 func _process(_delta: float) -> void:
@@ -48,3 +51,6 @@ func _toggle_debug() -> void:
 
 func _update_debug_toggle() -> void:
 	debug_toggle.text = "DEBUG [−]" if _debug_expanded else "DEBUG [+]"
+
+func _toggle_inventory() -> void:
+	inventory_panel.visible = not inventory_panel.visible
diff --git a/scripts/game/ship_controller.gd b/scripts/game/ship_controller.gd
index a2c965e..bac4258 100644
--- a/scripts/game/ship_controller.gd
+++ b/scripts/game/ship_controller.gd
@@ -12,6 +12,10 @@ const DEFAULT_SHIP_TEXTURE := "res://assets/Ships/Spaceship_0.png"
 @export var turn_acceleration := 7.0
 @export var turn_damping := 4.0
 
+@export var base_max_hull := 100.0
+@export var base_max_shields := 100.0
+@export var base_max_energy := 100.0
+@export var base_max_speed := 420.0
 @export var max_hull := 100.0
 @export var max_shields := 100.0
 @export var max_energy := 100.0
@@ -22,6 +26,17 @@ var energy := 100.0
 var angular_velocity := 0.0
 var _sprite: Sprite2D
 
+func apply_equipment_bonuses(bonuses: Dictionary) -> void:
+	max_hull = base_max_hull + float(bonuses.get("max_hull", 0.0))
+	max_shields = base_max_shields + float(bonuses.get("max_shields", 0.0))
+	max_energy = base_max_energy + float(bonuses.get("max_energy", 0.0))
+	max_speed = base_max_speed + float(bonuses.get("max_speed", 0.0))
+	reverse_max_speed = max_speed * 0.5
+	max_strafe_speed = max_speed * 0.5
+	hull = minf(hull, max_hull)
+	shields = minf(shields, max_shields)
+	energy = minf(energy, max_energy)
+
 func _ready() -> void:
 	_ensure_input_action(&"ship_thrust", KEY_W)
 	_ensure_input_action(&"ship_brake", KEY_S)
diff --git a/scripts/items/item_definition.gd b/scripts/items/item_definition.gd
new file mode 100644
index 0000000..4af3b0e
--- /dev/null
+++ b/scripts/items/item_definition.gd
@@ -0,0 +1,12 @@
+extends Resource
+class_name ItemDefinition
+
+enum Category { WEAPON, SHIELD, HULL, GENERATOR, EXTENSION }
+
+@export var item_id: String = ""
+@export var display_name: String = ""
+@export var category: Category = Category.EXTENSION
+@export_multiline var description: String = ""
+@export var primary_stat: String = ""
+@export var primary_value: float = 0.0
+@export var stat_suffix: String = ""
diff --git a/scripts/items/item_definition.gd.uid b/scripts/items/item_definition.gd.uid
new file mode 100644
index 0000000..5b29c54
--- /dev/null
+++ b/scripts/items/item_definition.gd.uid
@@ -0,0 +1 @@
+uid://d2fdtd4wjk7d
diff --git a/scripts/items/item_instance.gd b/scripts/items/item_instance.gd
new file mode 100644
index 0000000..afdfe12
--- /dev/null
+++ b/scripts/items/item_instance.gd
@@ -0,0 +1,15 @@
+extends Resource
+class_name ItemInstance
+
+@export var definition: ItemDefinition
+@export_range(1, 1000, 1) var item_level: int = 1
+@export var additional_modifiers: Array[ItemStatModifier] = []
+
+func get_stat_total(stat_key: String) -> float:
+	var total := 0.0
+	if definition and definition.primary_stat == stat_key:
+		total += definition.primary_value
+	for modifier in additional_modifiers:
+		if modifier and modifier.stat_key == stat_key:
+			total += modifier.value
+	return total
diff --git a/scripts/items/item_instance.gd.uid b/scripts/items/item_instance.gd.uid
new file mode 100644
index 0000000..c0eebb8
--- /dev/null
+++ b/scripts/items/item_instance.gd.uid
@@ -0,0 +1 @@
+uid://cgt3ycqmujx4i
diff --git a/scripts/items/item_stat_modifier.gd b/scripts/items/item_stat_modifier.gd
new file mode 100644
index 0000000..b145dbc
--- /dev/null
+++ b/scripts/items/item_stat_modifier.gd
@@ -0,0 +1,5 @@
+extends Resource
+class_name ItemStatModifier
+
+@export var stat_key: String = ""
+@export var value: float = 0.0
diff --git a/scripts/items/item_stat_modifier.gd.uid b/scripts/items/item_stat_modifier.gd.uid
new file mode 100644
index 0000000..db06741
--- /dev/null
+++ b/scripts/items/item_stat_modifier.gd.uid
@@ -0,0 +1 @@
+uid://ddoc7cnp8w1in
diff --git a/scripts/items/ship_inventory.gd b/scripts/items/ship_inventory.gd
new file mode 100644
index 0000000..44024a4
--- /dev/null
+++ b/scripts/items/ship_inventory.gd
@@ -0,0 +1,108 @@
+extends Node
+class_name ShipInventory
+
+signal inventory_changed
+
+const CARGO_SIZE := 20
+const WEAPON_SLOT_COUNT := 2
+const MODULE_SLOT_COUNT := 6
+
+var cargo: Array[ItemInstance] = []
+var weapon_slots: Array[ItemInstance] = []
+var module_slots: Array[ItemInstance] = []
+
+@onready var ship: CharacterBody2D = get_parent()
+
+func _ready() -> void:
+	add_to_group("ship_inventory")
+	cargo.resize(CARGO_SIZE)
+	weapon_slots.resize(WEAPON_SLOT_COUNT)
+	module_slots.resize(MODULE_SLOT_COUNT)
+	_add_starter_items()
+	_recalculate_ship_stats()
+	inventory_changed.emit()
+
+func get_cargo_used() -> int:
+	var used := 0
+	for item in cargo:
+		if item != null:
+			used += 1
+	return used
+
+func get_item(slot_kind: String, index: int) -> ItemInstance:
+	var slots := _get_slots(slot_kind)
+	if index < 0 or index >= slots.size():
+		return null
+	return slots[index]
+
+func can_move_item(from_kind: String, from_index: int, to_kind: String, to_index: int) -> bool:
+	var source := _get_slots(from_kind)
+	var destination := _get_slots(to_kind)
+	if from_index < 0 or from_index >= source.size() or to_index < 0 or to_index >= destination.size():
+		return false
+	if from_kind == to_kind and from_index == to_index:
+		return false
+	var item := source[from_index]
+	if item == null or item.definition == null:
+		return false
+	if to_kind == "weapon" and item.definition.category != ItemDefinition.Category.WEAPON:
+		return false
+	if to_kind == "module" and item.definition.category == ItemDefinition.Category.WEAPON:
+		return false
+	var displaced := destination[to_index]
+	if displaced != null and displaced.definition != null:
+		if from_kind == "weapon" and displaced.definition.category != ItemDefinition.Category.WEAPON:
+			return false
+		if from_kind == "module" and displaced.definition.category == ItemDefinition.Category.WEAPON:
+			return false
+	return true
+
+func move_item(from_kind: String, from_index: int, to_kind: String, to_index: int) -> bool:
+	if not can_move_item(from_kind, from_index, to_kind, to_index):
+		return false
+	var source := _get_slots(from_kind)
+	var destination := _get_slots(to_kind)
+	var displaced := destination[to_index]
+	destination[to_index] = source[from_index]
+	source[from_index] = displaced
+	_recalculate_ship_stats()
+	inventory_changed.emit()
+	return true
+
+func _get_slots(slot_kind: String) -> Array[ItemInstance]:
+	match slot_kind:
+		"cargo":
+			return cargo
+		"weapon":
+			return weapon_slots
+		"module":
+			return module_slots
+	return []
+
+func _recalculate_ship_stats() -> void:
+	var bonuses := {}
+	for item in weapon_slots + module_slots:
+		if item == null or item.definition == null:
+			continue
+		for stat_key in ["max_hull", "max_shields", "max_energy", "max_speed"]:
+			bonuses[stat_key] = float(bonuses.get(stat_key, 0.0)) + item.get_stat_total(stat_key)
+	ship.call("apply_equipment_bonuses", bonuses)
+
+func _add_starter_items() -> void:
+	var starter_items := [
+		"res://resources/items/plasma_cannon.tres",
+		"res://resources/items/beam_laser.tres",
+		"res://resources/items/reinforced_shield.tres",
+		"res://resources/items/hull_plating.tres",
+		"res://resources/items/compact_generator.tres",
+		"res://resources/items/engine_extension.tres",
+	]
+	for index in starter_items.size():
+		var definition := load(starter_items[index]) as ItemDefinition
+		if definition == null:
+			push_warning("Could not load starter item: %s" % starter_items[index])
+			continue
+		var item := ItemInstance.new()
+		item.definition = definition
+		item.item_level = 1
+		cargo[index] = item
diff --git a/scripts/items/ship_inventory.gd.uid b/scripts/items/ship_inventory.gd.uid
new file mode 100644
index 0000000..fba83f1
--- /dev/null
+++ b/scripts/items/ship_inventory.gd.uid
@@ -0,0 +1 @@
+uid://cg5fgh83r2ftu
diff --git a/scripts/ui/equipment_slot_view.gd b/scripts/ui/equipment_slot_view.gd
new file mode 100644
index 0000000..0a8adb3
--- /dev/null
+++ b/scripts/ui/equipment_slot_view.gd
@@ -0,0 +1,94 @@
+extends PanelContainer
+
+@export var slot_kind: String = "cargo"
+@export var slot_index: int = 0
+
+@onready var slot_label: Label = $SlotLabel
+
+var _inventory: ShipInventory
+
+func _ready() -> void:
+	_inventory = get_tree().get_first_node_in_group("ship_inventory") as ShipInventory
+	if _inventory:
+		_inventory.inventory_changed.connect(_refresh)
+	custom_minimum_size = Vector2(108, 52) if slot_kind != "cargo" else Vector2(86, 62)
+	_refresh()
+
+func _refresh() -> void:
+	if not is_node_ready() or not _inventory:
+		return
+	var item: ItemInstance = _inventory.get_item(slot_kind, slot_index)
+	if item == null or item.definition == null:
+		slot_label.text = _empty_slot_text()
+		return
+	var definition := item.definition
+	var category_name := _category_name(definition.category)
+	var value_text := _stat_text(item)
+	var slot_title := category_name
+	if slot_kind == "weapon":
+		var weapon_binding := "LPM" if slot_index == 0 else "PPM"
+		slot_title = "BROŃ %d [%s]" % [slot_index + 1, weapon_binding]
+	elif slot_kind == "module":
+		slot_title = "MODUŁ %d [%d]" % [slot_index + 1, slot_index + 1]
+	slot_label.text = "%s\n%s\n%s" % [slot_title, definition.display_name, value_text]
+
+func _get_drag_data(_at_position: Vector2) -> Variant:
+	if not _inventory:
+		return null
+	var item: ItemInstance = _inventory.get_item(slot_kind, slot_index)
+	if item == null:
+		return null
+	var preview := Label.new()
+	preview.text = item.definition.display_name
+	preview.add_theme_color_override("font_color", Color(0.85, 0.94, 1.0))
+	set_drag_preview(preview)
+	return {"from_kind": slot_kind, "from_index": slot_index}
+
+func _can_drop_data(_at_position: Vector2, data: Variant) -> bool:
+	return (
+		_inventory != null
+		and data is Dictionary
+		and _inventory.can_move_item(
+			str(data.get("from_kind", "")),
+			int(data.get("from_index", -1)),
+			slot_kind,
+			slot_index
+		)
+	)
+
+func _drop_data(_at_position: Vector2, data: Variant) -> void:
+	_inventory.move_item(
+		str(data.get("from_kind", "")),
+		int(data.get("from_index", -1)),
+		slot_kind,
+		slot_index
+	)
+
+func _empty_slot_text() -> String:
+	if slot_kind == "weapon":
+		var weapon_binding := "LPM" if slot_index == 0 else "PPM"
+		return "BROŃ %d [%s]\nPUSTY" % [slot_index + 1, weapon_binding]
+	if slot_kind == "module":
+		return "MODUŁ %d [%d]\nPUSTY" % [slot_index + 1, slot_index + 1]
+	return "PUSTY"
+
+func _category_name(category: int) -> String:
+	match category:
+		ItemDefinition.Category.WEAPON:
+			return "BROŃ"
+		ItemDefinition.Category.SHIELD:
+			return "TARCZA"
+		ItemDefinition.Category.HULL:
+			return "KADŁUB"
+		ItemDefinition.Category.GENERATOR:
+			return "GENERATOR"
+		ItemDefinition.Category.EXTENSION:
+			return "ROZSZERZENIE"
+	return "PRZEDMIOT"
+
+func _stat_text(item: ItemInstance) -> String:
+	var definition := item.definition
+	if definition.primary_stat.is_empty():
+		return "Poz. %d" % item.item_level
+	var sign_text := "+" if definition.primary_value >= 0.0 else ""
+	return "%s%.0f%s · Poz. %d" % [sign_text, definition.primary_value, definition.stat_suffix, item.item_level]
diff --git a/scripts/ui/equipment_slot_view.gd.uid b/scripts/ui/equipment_slot_view.gd.uid
new file mode 100644
index 0000000..5f2b1c5
--- /dev/null
+++ b/scripts/ui/equipment_slot_view.gd.uid
@@ -0,0 +1 @@
+uid://cywkgu712lk13
diff --git a/scripts/ui/ship_inventory_panel.gd b/scripts/ui/ship_inventory_panel.gd
new file mode 100644
index 0000000..ea594ef
--- /dev/null
+++ b/scripts/ui/ship_inventory_panel.gd
@@ -0,0 +1,26 @@
+extends PanelContainer
+
+const SLOT_SCENE := preload("res://scenes/ui/inventory_slot_view.tscn")
+const CARGO_SIZE := 20
+
+@onready var cargo_grid: GridContainer = $Contents/CargoGrid
+@onready var close_button: Button = $Contents/Header/CloseButton
+@onready var title_label: Label = $Contents/Header/Title
+
+var _inventory: ShipInventory
+
+func _ready() -> void:
+	close_button.pressed.connect(func() -> void: hide())
+	_inventory = get_tree().get_first_node_in_group("ship_inventory") as ShipInventory
+	if _inventory:
+		_inventory.inventory_changed.connect(_refresh_title)
+	for index in CARGO_SIZE:
+		var slot := SLOT_SCENE.instantiate()
+		slot.set("slot_kind", "cargo")
+		slot.set("slot_index", index)
+		cargo_grid.add_child(slot)
+	_refresh_title()
+
+func _refresh_title() -> void:
+	if _inventory:
+		title_label.text = "MAGAZYN  (%d / %d)" % [_inventory.get_cargo_used(), CARGO_SIZE]
diff --git a/scripts/ui/ship_inventory_panel.gd.uid b/scripts/ui/ship_inventory_panel.gd.uid
new file mode 100644
index 0000000..d30e95c
--- /dev/null
+++ b/scripts/ui/ship_inventory_panel.gd.uid
@@ -0,0 +1 @@
+uid://cqt8v17lwfqhr