Adding eyedropper tool into game

.github/workflows/build.yml

@@ -0,0 +1,59 @@
+name: Build Simitone
+
+on:
+  workflow_dispatch:
+    inputs:
+      configuration:
+        description: 'Build configuration'
+        required: false
+        default: 'Release'
+        type: choice
+        options:
+          - Release
+          - Debug
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Setup .NET 9
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: '9.0.x'
+
+    - name: Run Protobuild
+      shell: pwsh
+      run: |
+        cd FreeSO/Other/libs/FSOMonoGame/
+        ./protobuild.exe --generate
+      continue-on-error: true
+
+    - name: Restore Simitone dependencies
+      run: dotnet restore Client/Simitone/Simitone.sln
+
+    - name: Restore FreeSO dependencies
+      run: dotnet restore FreeSO/TSOClient/FreeSO.sln
+      continue-on-error: true
+
+    - name: Restore Roslyn dependencies
+      shell: pwsh
+      run: |
+        cd FreeSO/TSOClient/FSO.SimAntics.JIT.Roslyn/
+        dotnet restore
+      continue-on-error: true
+
+    - name: Build
+      run: dotnet build Client/Simitone/Simitone.sln -c ${{ inputs.configuration || 'Release' }} --no-restore
+
+    - name: Upload build artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: SimitoneWindows-${{ inputs.configuration || 'Release' }}
+        path: Client/Simitone/Simitone.Windows/bin/${{ inputs.configuration || 'Release' }}/net9.0-windows/
+        if-no-files-found: error

Client/Simitone/Simitone.Client/Simitone.Client.csproj

@@ -11,6 +11,9 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <Content Include="Content\Cursors\eyedropper.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="Content\3D\TEX_0.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
@@ -89,6 +92,9 @@
     <Content Include="Content\uigraphics\desktop\d_live_buy.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="Content\uigraphics\desktop\d_live_eyedropper.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="Content\uigraphics\desktop\d_live_floordown.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>

Client/Simitone/Simitone.Client/SimitoneGame.cs

@@ -23,6 +23,7 @@
 using MSDFData;
 using FSO.LotView.Model;
 using Simitone.Client.UI.Panels;
+using Simitone.Client.Utils;
 
 namespace Simitone.Client
 {
@@ -148,6 +149,7 @@ protected override void Initialize()
             {
                 CurLoader.BmpLoaderFunc = ImageLoader.BaseFunction;
                 GameFacade.Cursor.Init(GlobalSettings.Default.TS1HybridPath, true);
+                SimitoneCursors.Init(GraphicsDevice);
             }
 
             /** Init any computed values **/

Client/Simitone/Simitone.Client/UI/Controls/UITouchScroll.cs

@@ -197,6 +197,31 @@ public void SetScroll(float value)
             Scroll = value;
         }
 
+        public void ScrollToItem(int itemIndex)
+        {
+            // Center the item in the visible area
+            var targetScroll = itemIndex * ItemWidth - (GetPAxis(Size) / 2) + (ItemWidth / 2);
+            // Clamp to valid scroll range
+            var length = LengthProvider();
+            Scroll = Math.Max(-Margin, Math.Min(length * ItemWidth - GetPAxis(Size) + Margin, targetScroll));
+            ScrollVelocity = 0; // Stop any ongoing momentum
+        }
+
+        /// <summary>
+        /// Selects an item by its index programmatically, triggering the visual highlight.
+        /// </summary>
+        public void SelectItem(int itemIndex)
+        {
+            if (itemIndex < 0 || itemIndex >= LengthProvider()) return;
+            var rItem = GetOrPrepare(itemIndex);
+            if (rItem != null)
+            {
+                LastSelected?.Deselected();
+                rItem.Selected();
+                LastSelected = rItem;
+            }
+        }
+
         public override void Draw(UISpriteBatch batch)
         {
             if (!Visible) return;

Client/Simitone/Simitone.Client/UI/Panels/Desktop/UIDesktopUCP.cs

@@ -25,6 +25,7 @@ public class UIDesktopUCP : UICachedContainer
     {
         public UIImage Background;
         public UIImage FriendIcon;
+        public UIButton EyedropperButton;
 
         public UIButton LiveButton;
         public UIButton BuyButton;
@@ -90,32 +91,45 @@ public UIDesktopUCP(TS1GameScreen screen)
             FriendIcon = new UIImage(ui.Get("d_live_friend.png").Get(gd)) { Position = new Vector2(156, 186) };
             Add(FriendIcon);
 
-            Add(LiveButton = new UIButton(ui.Get("d_live_live.png").Get(gd)) { Position = new Vector2(15, 2) });
-            Add(BuyButton = new UIButton(ui.Get("d_live_buy.png").Get(gd)) { Position = new Vector2(107, 27) });
-            Add(BuildButton = new UIButton(ui.Get("d_live_build.png").Get(gd)) { Position = new Vector2(179, 80) });
-            Add(OptionsButton = new UIButton(ui.Get("d_live_opt.png").Get(gd)) { Position = new Vector2(242, 165) });
+            // Eyedropper button - visible in Buy and Build modes
+            Add(EyedropperButton = new UIStencilButton(ui.Get("d_live_eyedropper.png").Get(gd))
+            {
+                Position = new Vector2(155, 164),
+                Shadow = true,
+                ShadowParam = sDir,
+                Tooltip = "Eyedropper Tool (E)"
+            });
+            EyedropperButton.OnButtonClick += ToggleEyedropper;
+            EyedropperButton.Visible = false; // Hidden by default (LIVE mode)
 
-            Add(FloorUpButton = new UIStencilButton(ui.Get("d_live_floorup.png").Get(gd)) { Position = new Vector2(16, 150), Shadow = true, ShadowParam = sDir });
-            Add(FloorDownButton = new UIStencilButton(ui.Get("d_live_floordown.png").Get(gd)) { Position = new Vector2(16, 192), Shadow = true, ShadowParam = sDir });
+            Add(LiveButton = new UIButton(ui.Get("d_live_live.png").Get(gd)) { Position = new Vector2(15, 2), Tooltip = "Live Mode" });
+            Add(BuyButton = new UIButton(ui.Get("d_live_buy.png").Get(gd)) { Position = new Vector2(107, 27), Tooltip = "Buy Mode" });
+            Add(BuildButton = new UIButton(ui.Get("d_live_build.png").Get(gd)) { Position = new Vector2(179, 80), Tooltip = "Build Mode" });
+            Add(OptionsButton = new UIButton(ui.Get("d_live_opt.png").Get(gd)) { Position = new Vector2(242, 165), Tooltip = "Options" });
 
-            Add(RoofButton = new UIStencilButton(ui.Get("d_live_w1.png").Get(gd)) { Position = new Vector2(15, 111), Shadow = true, ShadowParam = sDir });
-            Add(WallsUpButton = new UIStencilButton(ui.Get("d_live_w2.png").Get(gd)) { Position = new Vector2(50, 107), Shadow = true, ShadowParam = sDir });
-            Add(WallsCutButton = new UIStencilButton(ui.Get("d_live_w3.png").Get(gd)) { Position = new Vector2(86, 112), Shadow = true, ShadowParam = sDir });
-            Add(WallsDownButton = new UIStencilButton(ui.Get("d_live_w4.png").Get(gd)) { Position = new Vector2(117, 122), Shadow = true, ShadowParam = sDir });
+            Add(FloorUpButton = new UIStencilButton(ui.Get("d_live_floorup.png").Get(gd)) { Position = new Vector2(16, 150), Shadow = true, ShadowParam = sDir, Tooltip = "Floor Up" });
+            Add(FloorDownButton = new UIStencilButton(ui.Get("d_live_floordown.png").Get(gd)) { Position = new Vector2(16, 192), Shadow = true, ShadowParam = sDir, Tooltip = "Floor Down" });
 
-            Add(ZoomInButton = new UIStencilButton(ui.Get("d_live_zoomp.png").Get(gd)) { Position = new Vector2(87, 154) });
-            Add(ZoomOutButton = new UIStencilButton(ui.Get("d_live_zoomm.png").Get(gd)) { Position = new Vector2(87, 196) });
-            Add(RotateCWButton = new UIStencilButton(ui.Get("d_live_rotcw.png").Get(gd)) { Position = new Vector2(62, 175) });
-            Add(RotateCCWButton = new UIStencilButton(ui.Get("d_live_rotccw.png").Get(gd)) { Position = new Vector2(114, 175) });
+            Add(RoofButton = new UIStencilButton(ui.Get("d_live_w1.png").Get(gd)) { Position = new Vector2(15, 111), Shadow = true, ShadowParam = sDir, Tooltip = "Roof" });
+            Add(WallsUpButton = new UIStencilButton(ui.Get("d_live_w2.png").Get(gd)) { Position = new Vector2(50, 107), Shadow = true, ShadowParam = sDir, Tooltip = "Walls Up" });
+            Add(WallsCutButton = new UIStencilButton(ui.Get("d_live_w3.png").Get(gd)) { Position = new Vector2(86, 112), Shadow = true, ShadowParam = sDir, Tooltip = "Walls Cutaway" });
+            Add(WallsDownButton = new UIStencilButton(ui.Get("d_live_w4.png").Get(gd)) { Position = new Vector2(117, 122), Shadow = true, ShadowParam = sDir, Tooltip = "Walls Down" });
+
+            Add(ZoomInButton = new UIStencilButton(ui.Get("d_live_zoomp.png").Get(gd)) { Position = new Vector2(87, 154), Tooltip = "Zoom In" });
+            Add(ZoomOutButton = new UIStencilButton(ui.Get("d_live_zoomm.png").Get(gd)) { Position = new Vector2(87, 196), Tooltip = "Zoom Out" });
+            Add(RotateCWButton = new UIStencilButton(ui.Get("d_live_rotcw.png").Get(gd)) { Position = new Vector2(62, 175), Tooltip = "Rotate Clockwise" });
+            Add(RotateCCWButton = new UIStencilButton(ui.Get("d_live_rotccw.png").Get(gd)) { Position = new Vector2(114, 175), Tooltip = "Rotate Counter-Clockwise" });
 
             SpeedButtons = new UIButton[4];
+            var speedTooltips = new string[] { "Normal Speed", "Fast", "Ultra Fast", "Pause" };
             for (int i=0; i<4; i++)
             {
                 Add(SpeedButtons[i] = new UIStencilButton(ui.Get($"d_live_speed{i+1}.png").Get(gd))
                 {
                     Position = new Vector2(158 + 30 * i, 246),
                     Shadow = true,
-                    ShadowParam = sDir
+                    ShadowParam = sDir,
+                    Tooltip = speedTooltips[i]
                 });
                 var speed = i + 1;
                 SpeedButtons[i].OnButtonClick += (btn) =>
@@ -322,18 +336,30 @@ public override void Update(UpdateState state)
 
             if (LastZoom != Game.ZoomLevel) UpdateZoomButton();
 
+            // Sync eyedropper button state with ObjectHolder (for when it's auto-disabled after pick)
+            if (EyedropperButton.Visible && Game.LotControl?.ObjectHolder != null)
+            {
+                EyedropperButton.Selected = Game.LotControl.ObjectHolder.EyedropperMode;
+            }
+
             base.Update(state);
 
             //KEY SHORTCUTS
             var keys = state.NewKeys;
-            var nofocus = true;
+            var nofocus = state.InputManager.GetFocus() == null; // No text input (like the cheat menu!) has focus
             if (Game.InLot)
             {
                 if (keys.Contains(Keys.F1) && !LiveButton.Disabled) OnModeClick?.Invoke(UIMainPanelMode.LIVE);
                 if (keys.Contains(Keys.F2) && !BuyButton.Disabled) OnModeClick?.Invoke(UIMainPanelMode.BUY);
                 if (keys.Contains(Keys.F3) && !BuildButton.Disabled) OnModeClick?.Invoke(UIMainPanelMode.BUILD);
                 if (keys.Contains(Keys.F4)) OnModeClick?.Invoke(UIMainPanelMode.OPTIONS); // Options Panel
 
+                // E key for eyedropper (only in Buy/Build mode and when no text input is focused)
+                if (nofocus && keys.Contains(Keys.E) && EyedropperButton.Visible)
+                {
+                    ToggleEyedropper(EyedropperButton);
+                }
+
                 if (nofocus)
                 {
                     var world = Game.vm.Context.World;
@@ -390,12 +416,29 @@ public void UpdateZoomButton()
             LastZoom = Game.ZoomLevel;
         }
 
+        private void ToggleEyedropper(UIElement btn)
+        {
+            var holder = Game.LotControl.ObjectHolder;
+            holder.EyedropperMode = !holder.EyedropperMode;
+            EyedropperButton.Selected = holder.EyedropperMode;
+        }
+
         public void SetMode(UIMainPanelMode mode)
         {
             LiveButton.Selected = mode == UIMainPanelMode.LIVE;
             BuyButton.Selected = mode == UIMainPanelMode.BUY;
             BuildButton.Selected = mode == UIMainPanelMode.BUILD;
             OptionsButton.Selected = mode == UIMainPanelMode.OPTIONS;
+
+            // Show eyedropper in BUY and BUILD modes
+            EyedropperButton.Visible = (mode == UIMainPanelMode.BUY || mode == UIMainPanelMode.BUILD);
+            // Reset selection when changing modes
+            if (!EyedropperButton.Visible)
+            {
+                EyedropperButton.Selected = false;
+                if (Game.LotControl?.ObjectHolder != null)
+                    Game.LotControl.ObjectHolder.EyedropperMode = false;
+            }
         }
 
         public void DisplayChange(int change)