Add inventory menu

Characters/Player.tscn

@@ -36,9 +36,9 @@
 [ext_resource type="Script" path="res://addons/phantom_camera/scripts/phantom_camera/phantom_camera_2d.gd" id="27_mndpv"]
 [ext_resource type="Script" path="res://addons/phantom_camera/scripts/resources/tween_resource.gd" id="28_6gq8l"]
 [ext_resource type="Script" path="res://Items/PlayerInventory.cs" id="30_y2wmw"]
-[ext_resource type="PackedScene" uid="uid://cgg0sfm2qeiwn" path="res://Items/Weapons/Bow.tscn" id="31_mofvy"]
+[ext_resource type="Resource" uid="uid://cl7jvdu2lnv2d" path="res://Items/Weapons/Sword.tres" id="33_3qyfl"]
-[ext_resource type="PackedScene" uid="uid://dvqap2uhcah63" path="res://Items/Weapons/Sword.tscn" id="31_ql4as"]
+[ext_resource type="Resource" uid="uid://cjsh0dcgbfn77" path="res://Items/Weapons/Bow.tres" id="34_70ron"]
-[ext_resource type="PackedScene" uid="uid://5y1acxl4j4n7" path="res://Items/Weapons/Pugio.tscn" id="32_6ffmm"]
+[ext_resource type="Resource" uid="uid://iqe6rgnb3jur" path="res://Items/Weapons/Pugio.tres" id="35_4pap1"]
 
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_h78y7"]
 shader = ExtResource("2_ngsgt")
@@ -836,35 +836,14 @@ horizontal_alignment = 1
 [node name="Inventory" type="Node2D" parent="." node_paths=PackedStringArray("Hotbar")]
 y_sort_enabled = true
 script = ExtResource("30_y2wmw")
-Hotbar = [NodePath("Sword"), NodePath("Bow"), NodePath("Pugio")]
+Hotbar = [null, null, null]
+Items = Array[Object]([ExtResource("33_3qyfl"), ExtResource("34_70ron"), ExtResource("35_4pap1")])
 InventoryMap = {
 "equip_1": 0,
 "equip_2": 1,
 "equip_3": 2
 }
 
-[node name="Bow" parent="Inventory" node_paths=PackedStringArray("StateMachine") instance=ExtResource("31_mofvy")]
-visible = false
-StateMachine = NodePath("StateMachine")
-
-[node name="Sword" parent="Inventory" node_paths=PackedStringArray("Hitbox", "AnimationPlayer", "ParryParticles", "StateMachine", "Anchor", "HandAnchor") instance=ExtResource("31_ql4as")]
-visible = false
-Hitbox = NodePath("Hitbox")
-AnimationPlayer = NodePath("AnimationPlayer")
-ParryParticles = NodePath("Anchor/Node2D/Sprite2D/ParryParticles")
-StateMachine = NodePath("State")
-Anchor = NodePath("Anchor")
-HandAnchor = NodePath("Anchor/Node2D/Sprite2D/Hand")
-
-[node name="Pugio" parent="Inventory" node_paths=PackedStringArray("Hitbox", "AnimationPlayer", "ParryParticles", "StateMachine", "Anchor", "HandAnchor") instance=ExtResource("32_6ffmm")]
-visible = false
-Hitbox = NodePath("Hitbox")
-AnimationPlayer = NodePath("AnimationPlayer")
-ParryParticles = NodePath("Anchor/Node2D/Sprite2D/ParryParticles")
-StateMachine = NodePath("State")
-Anchor = NodePath("Anchor")
-HandAnchor = NodePath("Anchor/Node2D/Sprite2D/Hand")
-
 [node name="Hurtbox" parent="." node_paths=PackedStringArray("InvincibilityTimer") instance=ExtResource("9_avyu4")]
 visible = false
 InvincibilityTimer = NodePath("Timer")

Events/EventBus.cs

@@ -36,6 +36,9 @@ public partial class EventBus : Node
     [Signal]
     public delegate void PlayerStunEventHandler();
 
+    [Signal]
+    public delegate void PlayerOpenInventoryEventHandler(Items.Inventory inventory);
+
     [Signal]
     public delegate void RegisteredBossEventHandler(Characters.Boss boss);
 

Items/Inventory.cs

@@ -69,6 +69,7 @@ public partial class Inventory : Node2D, IItemCollection<ItemMetadata>
             // instantiating a new array will prevent characters from
             // sharing inventories
             Hotbar = new();
+            Hotbar.Resize(HotbarCapacity);
         }
 
         if (Items is null)
@@ -154,6 +155,35 @@ public partial class Inventory : Node2D, IItemCollection<ItemMetadata>
         return item;
     }
 
+    public Item SetHotbarIndexToItem(int index, ItemMetadata metadata)
+    {
+        var oldItem = Hotbar[index];
+        Item newItem = null;
+
+        if (IsInstanceValid(oldItem))
+        {
+            oldItem?.QueueFree();
+        }
+
+        if (metadata is not null)
+        {
+            newItem = metadata.Instance.Instantiate<Item>();
+            AddChild(newItem);
+            Hotbar[index] = newItem;
+        }
+
+        if (SelectedIndex == index)
+        {
+            // equip item if the hotbar index we are setting is selected
+            EquipIndex(index);
+        }
+
+        var bus = Events.EventBus.Instance;
+        bus.EmitSignal(Events.EventBus.SignalName.PlayerInventoryUpdate, this);
+
+        return newItem;
+    }
+
     public Item AddItem(Item item)
     {
         if (Hotbar.Count >= HotbarCapacity)

State/Character/PlayerState.cs

@@ -23,17 +23,14 @@ public abstract partial class PlayerState : CharacterState
         {
             if (@event.IsActionPressed("equip_1"))
             {
-                //inventory.SelectedItem = inventory.GetItemByMap("equip_1");
                 inventory.SelectedIndex = 0;
             }
             else if (@event.IsActionPressed("equip_2"))
             {
-                //inventory.SelectedItem = inventory.GetItemByMap("equip_2");
                 inventory.SelectedIndex = 1;
             }
             else if (@event.IsActionPressed("equip_3"))
             {
-                //inventory.SelectedItem = inventory.GetItemByMap("equip_3");
                 inventory.SelectedIndex = 2;
             }
             else if (@event.IsActionPressed("next_item"))
@@ -58,6 +55,13 @@ public abstract partial class PlayerState : CharacterState
                     return MaxLevelState;
                 }
             }
+
+            if (@event.IsActionPressed("inventory"))
+            {
+                var bus = Events.EventBus.Instance;
+                bus.EmitSignal(Events.EventBus.SignalName.PlayerOpenInventory,
+                    player.Inventory);
+            }
         }
 
         return base.UnhandledInput(@event);

UI/Base.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=14 format=3 uid="uid://c271rdjhd1gfo"]
+[gd_scene load_steps=15 format=3 uid="uid://c271rdjhd1gfo"]
 
 [ext_resource type="Script" path="res://UI/UIController.cs" id="2_b4b6l"]
 [ext_resource type="PackedScene" uid="uid://bxo553hblp6nf" path="res://UI/HealthBar.tscn" id="3_j1j6h"]
@@ -9,6 +9,7 @@
 [ext_resource type="PackedScene" uid="uid://d3q1yu3n7cqfj" path="res://UI/SceneTransition.tscn" id="6_j0nhv"]
 [ext_resource type="PackedScene" uid="uid://cyggkyqosjk36" path="res://UI/Inventory/ShopMenu.tscn" id="8_ep3ae"]
 [ext_resource type="PackedScene" uid="uid://2afbrf8asy2a" path="res://UI/PostProcessing/Vignette.tscn" id="9_p1ubd"]
+[ext_resource type="PackedScene" uid="uid://bg51duwdtyl8w" path="res://UI/Inventory/InventoryMenu.tscn" id="10_5m8qa"]
 [ext_resource type="PackedScene" uid="uid://b1wsryv4bn0cn" path="res://UI/PostProcessing/StunEffect.tscn" id="10_646ma"]
 [ext_resource type="Shader" path="res://Shaders/Grayscale.gdshader" id="11_w4gn1"]
 [ext_resource type="Texture2D" uid="uid://bw052v8ikfget" path="res://icon.svg" id="12_tyv35"]
@@ -22,11 +23,17 @@ process_mode = 3
 
 [node name="PostProcessing" type="CanvasLayer" parent="."]
 
-[node name="Vignette" parent="PostProcessing" instance=ExtResource("9_p1ubd")]
+[node name="CanvasLayer" type="CanvasLayer" parent="PostProcessing"]
 
-[node name="StunEffect" parent="PostProcessing" instance=ExtResource("10_646ma")]
+[node name="Vignette" parent="PostProcessing/CanvasLayer" instance=ExtResource("9_p1ubd")]
 
-[node name="Sprite2D" type="TextureRect" parent="PostProcessing"]
+[node name="CanvasLayer2" type="CanvasLayer" parent="PostProcessing"]
+
+[node name="StunEffect" parent="PostProcessing/CanvasLayer2" instance=ExtResource("10_646ma")]
+
+[node name="CanvasLayer3" type="CanvasLayer" parent="PostProcessing"]
+
+[node name="Sprite2D" type="TextureRect" parent="PostProcessing/CanvasLayer3"]
 visible = false
 material = SubResource("ShaderMaterial_kbd61")
 anchors_preset = 3
@@ -53,6 +60,7 @@ stretch_shrink = 3
 disable_3d = true
 transparent_bg = true
 handle_input_locally = false
+snap_2d_transforms_to_pixel = true
 size = Vector2i(640, 360)
 render_target_update_mode = 4
 
@@ -126,6 +134,12 @@ visible = false
 layout_mode = 2
 _inventoryGrid = NodePath("PanelContainer/VBoxContainer/ScrollContainer/InventoryGrid")
 
+[node name="InventoryMenu" parent="SubViewportContainer/UIViewport/MainUILayer/Main/BoxContainer" node_paths=PackedStringArray("_inventoryGrid") instance=ExtResource("10_5m8qa")]
+unique_name_in_owner = true
+visible = false
+layout_mode = 2
+_inventoryGrid = NodePath("PanelContainer/VBoxContainer/ScrollContainer/InventoryGrid")
+
 [node name="Bottom" type="HBoxContainer" parent="SubViewportContainer/UIViewport/MainUILayer/Main"]
 layout_mode = 1
 anchors_preset = 12

UI/Inventory/BaseMenu.cs

@@ -0,0 +1,74 @@
+using Godot;
+
+namespace SupaLidlGame.UI.Inventory;
+
+public abstract partial class BaseMenu : Control, IModal
+{
+    [Export]
+    protected InventoryGrid _inventoryGrid;
+
+    protected Button _focusButtonOnSelect { get; set; }
+
+    protected InventorySlot _selected;
+
+    public abstract void ShowModal();
+
+    public abstract void HideModal();
+
+    public bool IsPlayingAnimation => GetNode<AnimationPlayer>("%AnimationPlayer").IsPlaying();
+
+    public async void Close()
+    {
+        var animPlayer = GetNode<AnimationPlayer>("%AnimationPlayer");
+        animPlayer.Play("close");
+        await ToSignal(animPlayer, AnimationPlayer.SignalName.AnimationFinished);
+        HideModal();
+    }
+
+    public override void _Ready()
+    {
+        var onSlotFocused = (InventorySlot slot) =>
+        {
+            if (slot.Item is not null)
+            {
+                SetTooltipItem(slot);
+            }
+        };
+
+        var onSlotUnfocused = (InventorySlot slot) =>
+        {
+            SetTooltipItem(_selected);
+        };
+
+        var onSlotSelected = (InventorySlot slot) =>
+        {
+            _selected = slot;
+            SetTooltipItem(slot);
+            //GetNode<ItemTooltip>("%ActionButton").GrabFocus();
+            _focusButtonOnSelect.GrabFocus();
+        };
+
+        _inventoryGrid.Connect(InventoryGrid.SignalName.SlotFocused,
+            Callable.From(onSlotFocused));
+        _inventoryGrid.Connect(InventoryGrid.SignalName.SlotUnfocused,
+            Callable.From(onSlotUnfocused));
+        _inventoryGrid.Connect(InventoryGrid.SignalName.SlotSelected,
+            Callable.From(onSlotSelected));
+    }
+
+    protected virtual void SetTooltipItem(InventorySlot slot)
+    {
+        GetNode<ItemTooltip>("%ItemTooltip").Item = slot?.Item;
+    }
+
+    public abstract void OnButtonPress(Button button);
+
+    public override void _UnhandledInput(InputEvent @event)
+    {
+        if (@event.IsActionPressed("ui_cancel"))
+        {
+            AcceptEvent();
+            Close();
+        }
+    }
+}

UI/Inventory/BaseMenu.tscn

@@ -0,0 +1,206 @@
+[gd_scene load_steps=13 format=3 uid="uid://7blvai53i2a0"]
+
+[ext_resource type="Shader" path="res://Shaders/WipeXY.gdshader" id="2_y0ues"]
+[ext_resource type="StyleBox" path="res://UI/Themes/Panel.tres" id="3_6elnp"]
+[ext_resource type="FontFile" uid="uid://cgwa8bjiyv534" path="res://Assets/Fonts/alagard.ttf" id="4_68gcu"]
+[ext_resource type="PackedScene" uid="uid://chmokkxsy5vas" path="res://UI/Inventory/InventoryGrid.tscn" id="5_u7ajr"]
+[ext_resource type="PackedScene" uid="uid://baawkwo8aiwbu" path="res://UI/Inventory/ShopSlot.tscn" id="6_onxvb"]
+[ext_resource type="PackedScene" uid="uid://bsheehtfcdwhh" path="res://UI/Inventory/ItemTooltip.tscn" id="7_nphc3"]
+
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_gm1xk"]
+bg_color = Color(0, 0, 0, 0.784314)
+border_width_left = 16
+border_width_top = 16
+border_width_right = 16
+border_width_bottom = 16
+border_color = Color(0.145098, 0.145098, 0.145098, 0)
+border_blend = true
+corner_radius_top_left = 16
+corner_radius_top_right = 16
+corner_radius_bottom_right = 16
+corner_radius_bottom_left = 16
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_2hdh3"]
+shader = ExtResource("2_y0ues")
+shader_parameter/x_amount = 1.0
+shader_parameter/y_amount = 0.5
+
+[sub_resource type="Animation" id="Animation_yj24f"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:modulate")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [Color(1, 1, 1, 1)]
+}
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("PanelContainer:material:shader_parameter/y_amount")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [0.5]
+}
+tracks/2/type = "value"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath("PanelContainer:material:shader_parameter/x_amount")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [1.0]
+}
+
+[sub_resource type="Animation" id="Animation_tm2as"]
+resource_name = "close"
+length = 0.5
+step = 0.05
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:modulate")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.4),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [Color(1, 1, 1, 1), Color(1, 1, 1, 0)]
+}
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("PanelContainer:material:shader_parameter/y_amount")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0, 0.1),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [0.5, 1.0]
+}
+tracks/2/type = "value"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath("PanelContainer:material:shader_parameter/x_amount")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"times": PackedFloat32Array(0.05, 0.15),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [1.0, 0.5]
+}
+
+[sub_resource type="Animation" id="Animation_fgj27"]
+resource_name = "open"
+length = 0.5
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:modulate")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.3),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [Color(1, 1, 1, 0), Color(1, 1, 1, 1)]
+}
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("PanelContainer:material:shader_parameter/y_amount")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0, 0.5),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [1.0, 0.5]
+}
+tracks/2/type = "value"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath("PanelContainer:material:shader_parameter/x_amount")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"times": PackedFloat32Array(0, 0.3),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [0.5, 1.0]
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_0glcp"]
+_data = {
+"RESET": SubResource("Animation_yj24f"),
+"close": SubResource("Animation_tm2as"),
+"open": SubResource("Animation_fgj27")
+}
+
+[node name="Panel" type="PanelContainer"]
+anchors_preset = 6
+anchor_left = 1.0
+anchor_top = 0.5
+anchor_right = 1.0
+anchor_bottom = 0.5
+offset_left = -236.0
+offset_top = -175.5
+offset_bottom = 175.5
+grow_horizontal = 0
+grow_vertical = 2
+theme_override_styles/panel = SubResource("StyleBoxFlat_gm1xk")
+
+[node name="PanelContainer" type="PanelContainer" parent="."]
+material = SubResource("ShaderMaterial_2hdh3")
+layout_mode = 2
+theme_override_styles/panel = ExtResource("3_6elnp")
+
+[node name="VBoxContainer" type="VBoxContainer" parent="PanelContainer"]
+layout_mode = 2
+
+[node name="HBoxContainer" type="HBoxContainer" parent="PanelContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="Label" type="Label" parent="PanelContainer/VBoxContainer/HBoxContainer"]
+layout_mode = 2
+theme_override_fonts/font = ExtResource("4_68gcu")
+text = "Snus Dealer"
+
+[node name="ScrollContainer" type="ScrollContainer" parent="PanelContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+follow_focus = true
+horizontal_scroll_mode = 0
+
+[node name="InventoryGrid" parent="PanelContainer/VBoxContainer/ScrollContainer" instance=ExtResource("5_u7ajr")]
+layout_mode = 2
+size_flags_vertical = 3
+_slotScene = ExtResource("6_onxvb")
+
+[node name="ItemTooltip" parent="PanelContainer/VBoxContainer" instance=ExtResource("7_nphc3")]
+unique_name_in_owner = true
+layout_mode = 2
+
+[node name="HBoxContainer2" type="HBoxContainer" parent="PanelContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
+unique_name_in_owner = true
+libraries = {
+"": SubResource("AnimationLibrary_0glcp")
+}

UI/Inventory/Hotbar.tscn

@@ -1,10 +1,8 @@
-[gd_scene load_steps=4 format=3 uid="uid://sfs8dpfitpdu"]
+[gd_scene load_steps=3 format=3 uid="uid://sfs8dpfitpdu"]
 
 [ext_resource type="Script" path="res://UI/Inventory/Hotbar.cs" id="1_2sak2"]
 [ext_resource type="PackedScene" uid="uid://dmvu2hjyrwc1y" path="res://UI/Inventory/HotbarSlot.tscn" id="2_3axfe"]
 
-[sub_resource type="StyleBoxEmpty" id="StyleBoxEmpty_6jbma"]
-
 [node name="Hotbar" type="GridContainer" node_paths=PackedStringArray("_slots")]
 anchors_preset = 1
 anchor_left = 1.0
@@ -19,12 +17,9 @@ _slots = [NodePath("InventorySlot"), NodePath("InventorySlot2"), NodePath("Inven
 
 [node name="InventorySlot" parent="." instance=ExtResource("2_3axfe")]
 layout_mode = 2
-theme_override_styles/panel = SubResource("StyleBoxEmpty_6jbma")
 
 [node name="InventorySlot2" parent="." instance=ExtResource("2_3axfe")]
 layout_mode = 2
-theme_override_styles/panel = SubResource("StyleBoxEmpty_6jbma")
 
 [node name="InventorySlot3" parent="." instance=ExtResource("2_3axfe")]
 layout_mode = 2
-theme_override_styles/panel = SubResource("StyleBoxEmpty_6jbma")

UI/Inventory/InventoryGrid.cs

@@ -6,14 +6,14 @@ namespace SupaLidlGame.UI.Inventory;
 
 public partial class InventoryGrid : GridContainer
 {
-    private SupaLidlGame.Items.IItemCollection _source;
+    private Items.IItemCollection _source;
 
     [Export]
     private PackedScene _slotScene;
 
     public ButtonGroup ButtonGroup { get; private set; }
 
-    public SupaLidlGame.Items.IItemCollection Source
+    public Items.IItemCollection Source
     {
         get => _source;
         set

UI/Inventory/InventoryMenu.cs

@@ -0,0 +1,81 @@
+using Godot;
+using System.Collections.Generic;
+
+namespace SupaLidlGame.UI.Inventory;
+
+public partial class InventoryMenu : BaseMenu, IModal
+{
+    private Items.Inventory _source;
+
+    public Items.Inventory Source
+    {
+        get => _source;
+        set
+        {
+            _source = value;
+            _inventoryGrid.Source = value;
+        }
+    }
+
+    public override void ShowModal()
+    {
+        Show();
+        var animPlayer = GetNode<AnimationPlayer>("%AnimationPlayer");
+        animPlayer.Play("open");
+    }
+
+    public override void HideModal()
+    {
+        Hide();
+        _source = null;
+    }
+
+    public override void _Ready()
+    {
+        base._Ready();
+
+        _focusButtonOnSelect = GetNode<Button>("%SlotButton1");
+
+        foreach (Node node in GetTree().GetNodesInGroup("SlotButtons"))
+        {
+            var button = node as Button;
+
+            var onButtonPress = () =>
+            {
+                OnButtonPress(button);
+            };
+
+            var onButtonInput = (InputEvent @event) =>
+            {
+                if (@event.IsActionPressed("ui_cancel"))
+                {
+                    GetViewport().SetInputAsHandled();
+                    _selected?.GrabFocus();
+                }
+            };
+
+            button.Connect(Button.SignalName.Pressed, Callable.From(onButtonPress));
+        }
+    }
+
+    protected override void SetTooltipItem(InventorySlot slot)
+    {
+        base.SetTooltipItem(slot);
+
+        if (slot == _selected)
+        {
+            GetTree().SetGroup("SlotButtons", "disabled", false);
+        }
+        else
+        {
+            GetTree().SetGroup("SlotButtons", "disabled", true);
+        }
+    }
+
+    public override void OnButtonPress(Button button)
+    {
+        int slot = button.GetMeta("slot").AsInt32();
+        GD.Print("Equipping item at slot " + slot);
+        Source.SetHotbarIndexToItem(slot, _selected.Item);
+    }
+}

UI/Inventory/InventoryMenu.tscn

@@ -0,0 +1,38 @@
+[gd_scene load_steps=4 format=3 uid="uid://bg51duwdtyl8w"]
+
+[ext_resource type="PackedScene" uid="uid://7blvai53i2a0" path="res://UI/Inventory/BaseMenu.tscn" id="1_55ohh"]
+[ext_resource type="Script" path="res://UI/Inventory/InventoryMenu.cs" id="2_25pbk"]
+[ext_resource type="Theme" uid="uid://cksjbu3vrup5" path="res://UI/Themes/supalidl.tres" id="2_jvsju"]
+
+[node name="Panel" node_paths=PackedStringArray("_inventoryGrid") instance=ExtResource("1_55ohh")]
+script = ExtResource("2_25pbk")
+_inventoryGrid = NodePath("PanelContainer/VBoxContainer/ScrollContainer/InventoryGrid")
+
+[node name="HBoxContainer" parent="PanelContainer/VBoxContainer" index="0"]
+visible = false
+
+[node name="SlotButton1" type="Button" parent="PanelContainer/VBoxContainer/HBoxContainer2" index="0" groups=["SlotButtons"]]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 3
+theme = ExtResource("2_jvsju")
+text = "Slot 1"
+metadata/slot = 0
+
+[node name="SlotButton2" type="Button" parent="PanelContainer/VBoxContainer/HBoxContainer2" index="1" groups=["SlotButtons"]]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 3
+theme = ExtResource("2_jvsju")
+text = "Slot 2
+"
+metadata/slot = 1
+
+[node name="SlotButton3" type="Button" parent="PanelContainer/VBoxContainer/HBoxContainer2" index="2" groups=["SlotButtons"]]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 3
+theme = ExtResource("2_jvsju")
+text = "Slot 3
+"
+metadata/slot = 2

UI/Inventory/ItemTooltip.cs

@@ -5,6 +5,9 @@ namespace SupaLidlGame.UI.Inventory;
 
 public partial class ItemTooltip : Control
 {
+    [Export]
+    public Button ActionButton { get; set; }
+
     private ItemMetadata _item;
 
     public ItemMetadata Item

UI/Inventory/ShopMenu.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 
 namespace SupaLidlGame.UI.Inventory;
 
-public partial class ShopMenu : Control, IModal
+public partial class ShopMenu : BaseMenu, IModal
 {
     private Items.IItemCollection<Items.ShopEntry> _source;
 
@@ -17,53 +17,24 @@ public partial class ShopMenu : Control, IModal
         }
     }
 
-    [Export]
+    public override void ShowModal()
-    private InventoryGrid _inventoryGrid;
-
-    private InventorySlot _selected;
-
-    public void ShowModal()
     {
         Show();
         var animPlayer = GetNode<AnimationPlayer>("%AnimationPlayer");
         animPlayer.Play("open");
     }
 
-    public void HideModal()
+    public override void HideModal()
     {
         Hide();
         _source = null;
     }
 
-    public async void Close()
-    {
-        var animPlayer = GetNode<AnimationPlayer>("%AnimationPlayer");
-        animPlayer.Play("close");
-        await ToSignal(animPlayer, AnimationPlayer.SignalName.AnimationFinished);
-        HideModal();
-    }
-
     public override void _Ready()
     {
-        _inventoryGrid.SlotFocused += (InventorySlot slot) =>
+        base._Ready();
-        {
-            if (slot.Item is not null)
-            {
-                SetTooltipItem(slot);
-            }
-        };
 
-        _inventoryGrid.SlotUnfocused += (InventorySlot slot) =>
+        _focusButtonOnSelect = GetNode<Button>("%BuyButton");
-        {
-            SetTooltipItem(_selected);
-        };
-
-        _inventoryGrid.SlotSelected += (InventorySlot slot) =>
-        {
-            _selected = slot;
-            SetTooltipItem(slot);
-            GetNode<Button>("%BuyButton").GrabFocus();
-        };
 
         GetNode<Button>("%BuyButton").GuiInput += (InputEvent @event) =>
         {
@@ -75,9 +46,9 @@ public partial class ShopMenu : Control, IModal
         };
     }
 
-    private void SetTooltipItem(InventorySlot slot)
+    protected override void SetTooltipItem(InventorySlot slot)
     {
-        GetNode<ItemTooltip>("%ItemTooltip").Item = slot?.Item;
+        base.SetTooltipItem(slot);
 
         if (slot == _selected)
         {
@@ -89,6 +60,11 @@ public partial class ShopMenu : Control, IModal
         }
     }
 
+    public override void OnButtonPress(Button button)
+    {
+        throw new System.NotImplementedException("Not yet implemented.");
+    }
+
     public override void _UnhandledInput(InputEvent @event)
     {
         if (@event.IsActionPressed("ui_cancel"))

UI/UIController.cs

@@ -22,5 +22,23 @@ public partial class UIController : Control
             shopMenu.Source = shop;
             shopMenu.ShowModal();
         };
+
+        Events.EventBus.Instance.PlayerOpenInventory += (Items.Inventory inventory) =>
+        {
+            var inventoryMenu = GetNode<Inventory.InventoryMenu>("%InventoryMenu");
+            if (!inventoryMenu.IsPlayingAnimation)
+            {
+                inventoryMenu.Source = inventory;
+
+                if (inventoryMenu.Visible)
+                {
+                    inventoryMenu.Close();
+                }
+                else
+                {
+                    inventoryMenu.ShowModal();
+                }
+            }
+        };
     }
 }