add overlay cycling ui #6

half-earth/nodes/game.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=11 format=2]
+[gd_scene load_steps=13 format=2]
 
 [ext_resource path="res://nodes/grid.tscn" type="PackedScene" id=1]
 [ext_resource path="res://nodes/grid_cursor.tscn" type="PackedScene" id=2]
@@ -7,8 +7,10 @@
 [ext_resource path="res://nodes/interaction_modes/interaction_mode.tscn" type="PackedScene" id=5]
 [ext_resource path="res://nodes/ui/build_mode_ui.tscn" type="PackedScene" id=6]
 [ext_resource path="res://nodes/interaction_modes/build_mode.tscn" type="PackedScene" id=7]
+[ext_resource path="res://nodes/ui/overlays UI.tscn" type="PackedScene" id=8]
 [ext_resource path="res://nodes/ui/mode_selection_ui.tscn" type="PackedScene" id=9]
 [ext_resource path="res://nodes/overlays.tscn" type="PackedScene" id=10]
+[ext_resource path="res://resources/overlays/overlays.tres" type="Resource" id=11]
 
 [sub_resource type="Curve" id=1]
 _data = [ Vector2( 0, 0 ), 0.0, 5.0, 0, 0, Vector2( 0.5, 1 ), 0.0, 0.0, 0, 0, Vector2( 1, 0 ), -4.0, 0.0, 0, 0 ]
@@ -33,6 +35,7 @@ _gridPath = NodePath("../../World Grid")
 _cursorPath = NodePath("../../Cursor")
 
 [node name="Overlays" parent="." instance=ExtResource( 10 )]
+_overlaysResource = ExtResource( 11 )
 _worldGridPath = NodePath("../World Grid")
 
 [node name="UI" type="Control" parent="."]
@@ -47,6 +50,9 @@ _buildModePath = NodePath("../../Interaction Modes/Build Mode")
 
 [node name="Mode Selection" parent="UI" instance=ExtResource( 9 )]
 
+[node name="Overlays UI" parent="UI" instance=ExtResource( 8 )]
+_overlaysPath = NodePath("../../Overlays")
+
 [connection signal="OnPauseChanged" from="Clock" to="UI/Debug" method="_on_Clock_OnPauseChanged"]
 [connection signal="OnTick" from="Clock" to="World Grid" method="_on_Clock_OnTick"]
 [connection signal="OnTick" from="Clock" to="UI/Debug" method="_on_Clock_OnTick"]
@@ -55,7 +61,8 @@ _buildModePath = NodePath("../../Interaction Modes/Build Mode")
 [connection signal="OnModeEntered" from="Interaction Modes/Build Mode" to="Interaction Modes" method="_on_Build_Mode_OnModeEntered"]
 [connection signal="OnModeEntered" from="Interaction Modes/Build Mode" to="UI/Mode Selection" method="EnableBuildMode"]
 [connection signal="OnModeExited" from="Interaction Modes/Build Mode" to="Interaction Modes" method="_on_Build_Mode_OnModeExited"]
+[connection signal="OnModeExited" from="Interaction Modes/Build Mode" to="UI/Mode Selection" method="Enable"]
 [connection signal="SelectedTileTypeChanged" from="Interaction Modes/Build Mode" to="UI/Build Mode" method="UpdateButtonToggleState"]
+[connection signal="OverlayCycled" from="Overlays" to="UI/Overlays UI" method="UpdateOverlayText"]
 [connection signal="OnExit" from="UI/Build Mode" to="Interaction Modes" method="Reset"]
-[connection signal="OnExit" from="UI/Build Mode" to="UI/Mode Selection" method="Enable"]
 [connection signal="BuildModeEnabled" from="UI/Mode Selection" to="Interaction Modes/Build Mode" method="Enable"]

half-earth/nodes/ui/mode_selection_ui.tscn

@@ -14,6 +14,6 @@ margin_left = 2.0
 margin_top = 562.0
 margin_right = 38.0
 margin_bottom = 598.0
-text = "Build Mode"
+text = "[B] Build Mode"
 
 [connection signal="pressed" from="Build Mode" to="." method="EnableBuildMode"]

half-earth/nodes/ui/overlays UI.tscn

@@ -0,0 +1,18 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://scripts/ui/OverlaysUI.cs" type="Script" id=1]
+
+[node name="Overlays UI" type="Node"]
+script = ExtResource( 1 )
+_cycleOverlayButtonPath = NodePath("Button")
+
+[node name="Button" type="Button" parent="."]
+anchor_top = 1.0
+anchor_bottom = 1.0
+margin_top = -90.0
+margin_right = 42.0
+margin_bottom = -52.0
+grow_vertical = 0
+text = "[Tab] Cycle Overlay"
+
+[connection signal="pressed" from="Button" to="." method="CycleOverlay"]

half-earth/resources/overlays/overlays.tres

@@ -0,0 +1,9 @@
+[gd_resource type="Resource" load_steps=4 format=2]
+
+[ext_resource path="res://scripts/overlays/OverlayCollection.cs" type="Script" id=1]
+[ext_resource path="res://resources/overlays/no_overlay.tres" type="Resource" id=2]
+[ext_resource path="res://resources/overlays/heat_overlay.tres" type="Resource" id=3]
+
+[resource]
+script = ExtResource( 1 )
+_resources = [ ExtResource( 2 ), ExtResource( 3 ) ]

half-earth/resources/tiles/tile_types/developed.tres

@@ -5,7 +5,6 @@
 [resource]
 script = ExtResource( 1 )
 Name = "Developed"
-BuildLabel = "[D]eveloped"
 Key = 68
 Color = Color( 0.372549, 0.372549, 0.372549, 1 )
 HeatGeneration = 0.4

half-earth/resources/tiles/tile_types/tile_type_collections/buildable_tiles.tres

@@ -5,4 +5,4 @@
 
 [resource]
 script = ExtResource( 1 )
-_tileTypeResources = [ ExtResource( 2 ) ]
+_resources = [ ExtResource( 2 ) ]

half-earth/resources/tiles/tile_types/wild.tres

@@ -5,7 +5,6 @@
 [resource]
 script = ExtResource( 1 )
 Name = "Wild"
-BuildLabel = "[W]ild"
 Key = 87
 Color = Color( 0, 0.545098, 0.0196078, 1 )
 HeatGeneration = -0.2

half-earth/scripts/ReadOnlyResourceList.cs

@@ -0,0 +1,33 @@
+using Godot;
+using System.Collections;
+using System.Collections.Generic;
+
+public class ReadOnlyResourceList<T> : Resource, IReadOnlyList<T> where T : Resource
+{
+    [Export]
+    private List<Resource> _resources = new List<Resource>();
+    private List<T> Collection
+    {
+        get
+        {
+            if (_collection != null)
+                return _collection;
+
+            _collection = new List<T>();
+            foreach (var resource in _resources)
+            {
+                _collection.Add((T)resource);
+            }
+            return _collection;
+        }
+    }
+    private List<T> _collection = null;
+
+    public T this[int index] => Collection[index];
+
+    public int Count => Collection.Count;
+
+    public IEnumerator<T> GetEnumerator() => Collection.GetEnumerator();
+
+    IEnumerator IEnumerable.GetEnumerator() => Collection.GetEnumerator();
+}

half-earth/scripts/overlays/Overlay.cs

@@ -2,5 +2,6 @@ using Godot;
 
 public abstract class Overlay : Resource
 {
+    public string Name => GetType().ToString();
     public abstract void Apply(Tile tile, ShaderMaterial material);
 }

half-earth/scripts/overlays/OverlayCollection.cs

@@ -0,0 +1,3 @@
+public class OverlayCollection : ReadOnlyResourceList<Overlay>
+{
+}

half-earth/scripts/overlays/Overlays.cs

@@ -3,14 +3,16 @@ using System;
 
 public class Overlays : Node
 {
+    [Signal]
+    delegate void OverlayCycled(Overlay overlay);
+
     [Export]
     private KeyList _cycleOverlayKey;
 
-    [Export]
+    [Export] private Resource _overlaysResource;
-    private Resource[] _overlayResources;
+    public Overlay Current => _overlays[_overlayIdx];
-    private Overlay[] _overlays;
+    private OverlayCollection _overlays;
     private int _overlayIdx = 0;
-    private Overlay Current => _overlays[_overlayIdx];
 
     [Export]
     private Resource _tileGridResource;
@@ -22,12 +24,8 @@ public class Overlays : Node
 
     public override void _Ready()
     {
+        _overlays = (OverlayCollection)_overlaysResource;
         _tileGrid = (TileGrid)_tileGridResource;
-        _overlays = new Overlay[_overlayResources.Length];
-        for (int i = 0; i < _overlayResources.Length; i++)
-        {
-            _overlays[i] = (Overlay)_overlayResources[i];
-        }
         _worldGrid = GetNode<WorldGrid>(_worldGridPath);
     }
 
@@ -60,9 +58,10 @@ public class Overlays : Node
         }
     }
 
-    private void CycleOverlay()
+    public void CycleOverlay()
     {
         _overlayIdx++;
-        _overlayIdx %= _overlays.Length;
+        _overlayIdx %= _overlays.Count;
+        EmitSignal(nameof(OverlayCycled), Current);
     }
 }

half-earth/scripts/tile/TileType.cs

@@ -5,8 +5,7 @@ public class TileType : Resource
     [Export]
     public string Name { get; private set; }
 
-    [Export]
+    public string BuildLabel => $"[{Key}] {Name}";
-    public string BuildLabel { get; private set; }
 
     [Export]
     public KeyList Key { get; private set; }
@@ -17,8 +16,5 @@ public class TileType : Resource
     [Export]
     public float HeatGeneration { get; private set; }
 
-    public override string ToString()
+    public override string ToString() => Name;
-    {
-        return Name;
-    }
 }

half-earth/scripts/tile/TileTypeCollection.cs

@@ -1,46 +1,3 @@
-using Godot;
+public class TileTypeCollection : ReadOnlyResourceList<TileType>
-using System;
-using System.Collections;
-using System.Collections.Generic;
-
-public class TileTypeCollection : Resource, IReadOnlyList<TileType>
 {
-    [Export]
-    private List<Resource> _tileTypeResources = new List<Resource>();
-
-    private List<TileType> TileTypes
-    {
-        get
-        {
-            if (_tileTypes != null)
-                return _tileTypes;
-
-            _tileTypes = new List<TileType>();
-
-            foreach (var resource in _tileTypeResources)
-            {
-                if (!(resource is TileType))
-                    throw new InvalidCastException($"{resource} must be a {typeof(TileType)}");
-
-                _tileTypes.Add((TileType)resource);
-            }
-
-            return _tileTypes;
-        }
-    }
-    private List<TileType> _tileTypes = null;
-
-    public TileType this[int index] => TileTypes[index];
-
-    public int Count => TileTypes.Count;
-
-    public IEnumerator<TileType> GetEnumerator()
-    {
-        return TileTypes.GetEnumerator();
-    }
-
-    IEnumerator IEnumerable.GetEnumerator()
-    {
-        return TileTypes.GetEnumerator();
-    }
 }

half-earth/scripts/ui/OverlaysUI.cs

@@ -0,0 +1,36 @@
+using Godot;
+using System;
+using System.Collections.Generic;
+
+public class OverlaysUI : Node
+{
+    [Export]
+    private NodePath _cycleOverlayButtonPath;
+    private Button _cycleOverlayButton;
+
+    [Export]
+    private NodePath _overlaysPath;
+    private Overlays _overlays;
+
+    private string _mainText;
+
+    public override void _Ready()
+    {
+        base._Ready();
+
+        _cycleOverlayButton = GetNode<Button>(_cycleOverlayButtonPath);
+        _mainText = _cycleOverlayButton.Text;
+
+        _overlays = GetNode<Overlays>(_overlaysPath);
+    }
+
+    public void CycleOverlay()
+    {
+        _overlays.CycleOverlay();
+    }
+
+    public void UpdateOverlayText(Overlay overlay)
+    {
+        _cycleOverlayButton.Text = $"{_mainText} ({_overlays.Current.Name})";
+    }
+}