Extremely simple building (placement of workbenches).

entities/Workbench.cs

@@ -0,0 +1,14 @@
+public class Workbench : Entity {
+    // Declare member variables here. Examples:
+    // private int a = 2;
+    // private string b = "text";
+
+    // Called when the node enters the scene tree for the first time.
+    public override void _Ready() { }
+
+//  // Called every frame. 'delta' is the elapsed time since the previous frame.
+//  public override void _Process(float delta)
+//  {
+//      
+//  }
+}

entities/Workbench.tscn

@@ -0,0 +1,28 @@
+[gd_scene load_steps=6 format=2]
+
+[ext_resource path="res://assets/KenneySurvivalKit/Models/workbench.glb" type="PackedScene" id=1]
+[ext_resource path="res://entities/Workbench.cs" type="Script" id=2]
+
+[sub_resource type="BoxShape" id=1]
+extents = Vector3( 0.19, 0.19, 0.33 )
+
+[sub_resource type="CubeMesh" id=2]
+size = Vector3( 0.38, 0.38, 0.66 )
+
+[sub_resource type="SpatialMaterial" id=3]
+flags_transparent = true
+albedo_color = Color( 0.380392, 0.145098, 0.145098, 0.501961 )
+
+[node name="Workbench" type="KinematicBody"]
+script = ExtResource( 2 )
+
+[node name="Geometry" parent="." instance=ExtResource( 1 )]
+transform = Transform( 2.26249, 0, -1.06354, 0, 2.5, 0, 1.06354, 0, 2.26249, 0, 0, 0 )
+
+[node name="CollisionShape" type="CollisionShape" parent="."]
+transform = Transform( -1.29904, 0, 0.5, 0, 1.5, 0, -0.749999, 0, -0.866026, 0, 0.240716, 0 )
+shape = SubResource( 1 )
+
+[node name="MeshInstance" type="MeshInstance" parent="CollisionShape" groups=["PhysicsGeometry"]]
+mesh = SubResource( 2 )
+material/0 = SubResource( 3 )

scenes/Game.cs

@@ -2,6 +2,13 @@ using System.Diagnostics;
 using Godot;
 
 public class Game : Spatial {
+    private enum ActionMode {
+        Default,
+        Building
+    }
+
+    private ActionMode _actionMode = ActionMode.Default;
+
     private ImageTexture _blackWhitePatternTexture;
     private Camera _camera;
     private Vector3 _cameraOffset;
@@ -15,6 +22,8 @@ public class Game : Spatial {
     private Label _woodCountLabel;
     private Label _goldCountLabel;
     private TextureRect _heightTextureRect;
+    private Button _walkActionButton;
+    private Button _buildActionButton;
 
     // other members
     private HexGrid _hexGrid;
@@ -34,6 +43,7 @@ public class Game : Spatial {
     private Label _tileOffsetLabel;
     private World _world;
     private TextureRect _worldTextureRect;
+    private readonly PackedScene _workbenchScene = GD.Load<PackedScene>("res://entities/Workbench.tscn");
 
     // Called when the node enters the scene tree for the first time.
     public override void _Ready() {
@@ -53,10 +63,14 @@ public class Game : Spatial {
         _worldTextureRect = worldGeneratorWidget.GetNode<TextureRect>("WorldTextureRect");
         _heightTextureRect = worldGeneratorWidget.GetNode<TextureRect>("HeightTextureRect");
         _gameUi = (Control)FindNode("GameUI");
-        _woodCountLabel = _gameUi.GetNode<Label>("WoodCount");
+        _woodCountLabel = _gameUi.GetNode<Label>("TopRight/WoodCount");
         Debug.Assert(_woodCountLabel != null);
-        _goldCountLabel = _gameUi.GetNode<Label>("GoldCount");
+        _goldCountLabel = _gameUi.GetNode<Label>("TopRight/GoldCount");
         Debug.Assert(_goldCountLabel != null);
+        _walkActionButton = _gameUi.GetNode<Button>("BottomCenter/WalkActionButton");
+        Debug.Assert(_walkActionButton != null);
+        _buildActionButton = _gameUi.GetNode<Button>("BottomCenter/BuildActionButton");
+        Debug.Assert(_buildActionButton != null);
 
         // scene nodes
         _tileHighlight = GetNode<Spatial>("TileHighlight");
@@ -92,6 +106,8 @@ public class Game : Spatial {
         _world.Connect("TileHovered", this, nameof(OnTileHovered));
         _world.Connect("OnWorldViewTileTypeImageChanged", this, nameof(OnWorldViewTileTypeImageChanged));
         _world.Connect("OnHeightmapImageChanged", this, nameof(OnHeightmapImageChanged));
+        _walkActionButton.Connect("pressed", this, nameof(OnWalkActionPressed));
+        _buildActionButton.Connect("pressed", this, nameof(OnBuildActionPressed));
 
         // register entity events
         foreach (Node node in GetNode("Entities").GetChildren()) {
@@ -197,6 +213,16 @@ public class Game : Spatial {
             return;
         }
 
+        if (_actionMode == ActionMode.Building) {
+            Workbench workbench = (Workbench)_workbenchScene.Instance();
+
+            workbench.Transform = tile.GlobalTransform;
+            AddChild(workbench);
+            _world.MarkCellUnwalkable(tile.Cell);
+
+            return;
+        }
+
         if (_player.InteractionComponent != null) {
             _player.InteractionComponent.EmitSignal("InteractionEnd");
         }
@@ -239,6 +265,7 @@ public class Game : Spatial {
 
         _woodCountLabel.Text = "0";
         _goldCountLabel.Text = "0";
+        _actionMode = ActionMode.Default;
 
         foreach (Spatial entity in GetNode("Entities").GetChildren()) {
             Transform entityTransform = entity.Transform;
@@ -285,4 +312,12 @@ public class Game : Spatial {
         animationPlayer.Seek(0);
         animationPlayer.Play();
     }
+
+    public void OnWalkActionPressed() {
+        _actionMode = ActionMode.Default;
+    }
+
+    public void OnBuildActionPressed() {
+        _actionMode = ActionMode.Building;
+    }
 }

scenes/Game.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=19 format=2]
+[gd_scene load_steps=20 format=2]
 
 [ext_resource path="res://ui/WorldGeneratorWidget.gd" type="Script" id=1]
 [ext_resource path="res://entities/Player.tscn" type="PackedScene" id=2]
@@ -12,6 +12,7 @@
 [ext_resource path="res://entities/Wood.tscn" type="PackedScene" id=10]
 [ext_resource path="res://entities/Chest.tscn" type="PackedScene" id=11]
 [ext_resource path="res://ui/game_theme.tres" type="Theme" id=12]
+[ext_resource path="res://ui/action_buttongroup.tres" type="ButtonGroup" id=13]
 [ext_resource path="res://entities/Axe.tscn" type="PackedScene" id=14]
 [ext_resource path="res://systems/InteractionSystem.cs" type="Script" id=15]
 
@@ -66,6 +67,9 @@ tracks/0/keys = {
 
 [node name="Game" type="Spatial"]
 script = ExtResource( 9 )
+__meta__ = {
+"_edit_horizontal_guides_": [ -333.0 ]
+}
 
 [node name="TileHighlight" parent="." instance=ExtResource( 5 )]
 transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.1, 0 )
@@ -73,59 +77,91 @@ visible = false
 
 [node name="MouseTileHighlight" parent="." instance=ExtResource( 5 )]
 
-[node name="GameUI" type="HBoxContainer" parent="."]
+[node name="GameUI" type="Control" parent="."]
+anchor_right = 1.0
+anchor_bottom = 1.0
+mouse_filter = 2
+theme = ExtResource( 12 )
+
+[node name="TopRight" type="HBoxContainer" parent="GameUI"]
 anchor_left = 1.0
 anchor_right = 1.0
-margin_left = -40.0
-margin_right = -10.0
+margin_left = -206.0
 margin_bottom = 40.0
 grow_horizontal = 0
 mouse_filter = 2
-theme = ExtResource( 12 )
 alignment = 2
 
-[node name="WoodLabel" type="Label" parent="GameUI"]
+[node name="WoodLabel" type="Label" parent="GameUI/TopRight"]
+margin_left = 4.0
 margin_top = 10.0
-margin_right = 49.0
+margin_right = 53.0
 margin_bottom = 29.0
 text = "Wood"
 
-[node name="WoodCount" type="Label" parent="GameUI"]
-margin_left = 53.0
+[node name="WoodCount" type="Label" parent="GameUI/TopRight"]
+margin_left = 57.0
 margin_top = 10.0
-margin_right = 103.0
+margin_right = 107.0
 margin_bottom = 29.0
 rect_min_size = Vector2( 50, 0 )
 rect_pivot_offset = Vector2( 25, 8 )
 text = "0"
 align = 1
 
-[node name="AnimationPlayer" type="AnimationPlayer" parent="GameUI/WoodCount"]
+[node name="AnimationPlayer" type="AnimationPlayer" parent="GameUI/TopRight/WoodCount"]
 root_node = NodePath("../..")
 anims/FlashLabel = SubResource( 27 )
 anims/RESET = SubResource( 28 )
 
-[node name="GoldLabel" type="Label" parent="GameUI"]
-margin_left = 107.0
+[node name="GoldLabel" type="Label" parent="GameUI/TopRight"]
+margin_left = 111.0
 margin_top = 10.0
-margin_right = 148.0
+margin_right = 152.0
 margin_bottom = 29.0
 text = "Gold"
 
-[node name="GoldCount" type="Label" parent="GameUI"]
-margin_left = 152.0
+[node name="GoldCount" type="Label" parent="GameUI/TopRight"]
+margin_left = 156.0
 margin_top = 10.0
-margin_right = 202.0
+margin_right = 206.0
 margin_bottom = 29.0
 rect_min_size = Vector2( 50, 0 )
 rect_pivot_offset = Vector2( 25, 8 )
 text = "0"
 align = 1
 
-[node name="AnimationPlayer" type="AnimationPlayer" parent="GameUI/GoldCount"]
+[node name="AnimationPlayer" type="AnimationPlayer" parent="GameUI/TopRight/GoldCount"]
 root_node = NodePath("../..")
 anims/FlashLabel = SubResource( 25 )
 
+[node name="BottomCenter" type="HBoxContainer" parent="GameUI"]
+anchor_left = 0.5
+anchor_top = 1.0
+anchor_right = 0.5
+anchor_bottom = 1.0
+margin_left = -61.0
+margin_top = -46.0
+margin_right = 59.0
+margin_bottom = -6.0
+
+[node name="WalkActionButton" type="Button" parent="GameUI/BottomCenter"]
+margin_right = 58.0
+margin_bottom = 40.0
+rect_min_size = Vector2( 40, 40 )
+toggle_mode = true
+pressed = true
+group = ExtResource( 13 )
+text = "Walk"
+
+[node name="BuildActionButton" type="Button" parent="GameUI/BottomCenter"]
+margin_left = 62.0
+margin_right = 120.0
+margin_bottom = 40.0
+toggle_mode = true
+group = ExtResource( 13 )
+text = "Build"
+
 [node name="DebugContainer" type="PanelContainer" parent="."]
 self_modulate = Color( 1, 1, 1, 0.443137 )
 anchor_left = 1.0

ui/action_buttongroup.tres

@@ -0,0 +1,5 @@
+[gd_resource type="ButtonGroup" format=2]
+
+[resource]
+resource_local_to_scene = false
+resource_name = "ActionButtonGroup"