Input field to set map center #236 + Disable zoom while moving map #185

GameRealisticMap.Studio/Controls/GrmMap.cs

@@ -11,6 +11,7 @@ public sealed class GrmMap : GrmMapLayerGroup
     {
         private Point start;
         private Point origin;
+        private bool isChangeFromMap;
 
         private static readonly double[] ZoomLevelToScale = new double[] { 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 20, 28, 36, 42, 50, 75, 100 };
         private int zoomLevel = 3;
@@ -38,6 +39,40 @@ public GrmMap()
 
         public MatrixTransform BaseDrawTransform { get; } = new MatrixTransform(1, 0, 0, -1, 0, 2500);
 
+        public TerrainPoint? ViewCenter
+        {
+            get { return (TerrainPoint)GetValue(ViewCenterProperty); }
+            set { SetValue(ViewCenterProperty, value); }
+        }
+
+        public static readonly DependencyProperty ViewCenterProperty =
+            DependencyProperty.Register("ViewCenter", typeof(TerrainPoint), typeof(GrmMap), new PropertyMetadata(new TerrainPoint(0, 0), ViewCenterChanged));
+
+        private static void ViewCenterChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            if (e.NewValue is TerrainPoint tp)
+            {
+                ((GrmMap)d).ViewCenterChanged(tp);
+            }
+        }
+
+        private void ViewCenterChanged(TerrainPoint newValue)
+        {
+            if (!isChangeFromMap)
+            {
+                SetViewCenter(newValue);
+            }
+        }
+
+        public void SetViewCenter(TerrainPoint point)
+        {
+            var size = BaseDrawTransform.Matrix.OffsetY;
+            var actualSize = RenderSize;
+            Translate.X = - point.X * Scale + (actualSize.Width/2);
+            Translate.Y = (point.Y - size) * Scale + (actualSize.Height / 2);
+            ViewportChanged(false);
+        }
+
         protected override void OnMouseRightButtonDown(MouseButtonEventArgs e)
         {
             base.OnMouseRightButtonDown(e);
@@ -71,6 +106,10 @@ protected override void OnMouseRightButtonUp(MouseButtonEventArgs e)
 
         protected override void OnMouseWheel(MouseWheelEventArgs e)
         {
+            if (IsMouseCaptured)
+            {
+                return;
+            }
             if ( e.Delta > 0 )
             {
                 if (zoomLevel < ZoomLevelToScale.Length - 1)
@@ -132,11 +171,6 @@ private Envelope GetViewportEnveloppe(Size actualSize, double size)
 
         public ITerrainEnvelope GetViewportEnveloppe() => GetViewportEnveloppe(RenderSize, SizeInMetersInternal);
 
-        public static Point ProjectToPoint(TerrainPoint point, float size)
-        {
-            return new Point(point.X, size - point.Y);
-        }
-
         protected override void OnRender(DrawingContext dc)
         {
             var renderSize = RenderSize;
@@ -164,10 +198,16 @@ protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
             base.OnRenderSizeChanged(sizeInfo);
         }
 
-        private void ViewportChanged()
+        private void ViewportChanged(bool updateCenter = true)
         {
             InvalidateVisual();
             RenderEnvelope = GetViewportEnveloppe(RenderSize, BaseDrawTransform.Matrix.OffsetY);
+            if (updateCenter)
+            {
+                isChangeFromMap = true;
+                ViewCenter = new TerrainPoint((RenderEnvelope.MaxPoint.Vector + RenderEnvelope.MinPoint.Vector) / 2);
+                isChangeFromMap = false;
+            }
             OnViewportChanged();
         }
 
@@ -186,5 +226,12 @@ public Point ProjectViewport(TerrainPoint point)
         {
             return Translate.Transform(ScaleTr.Transform(BaseDrawTransform.Transform(new Point(point.X, point.Y))));
         }
+
+        public TerrainPoint UnprojectViewport(Point point)
+        {
+            return new TerrainPoint(
+                    (float)((DeltaX + point.X) / Scale),
+                    (float)(SizeInMetersInternal - ((DeltaY + point.Y) / Scale)));
+        }
     }
 }

GameRealisticMap.Studio/Controls/TerrainPointStringConverter.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Globalization;
+using System.Windows.Data;
+using GameRealisticMap.Geometries;
+
+namespace GameRealisticMap.Studio.Controls
+{
+    public class TerrainPointStringConverter : IValueConverter
+    {
+        public string Format { get; set; } = "00000";
+
+        public object? Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            var sourceValue = value as TerrainPoint;
+            if (sourceValue != null) 
+            {
+                return Math.Max(0, sourceValue.X).ToString(Format, culture) + " - " + Math.Max(0, sourceValue.Y).ToString(Format, culture);
+            }
+            return null;
+        }
+
+        public object? ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            var sourceValue = value as string;
+            if (sourceValue != null)
+            {
+                var parts = sourceValue.Split('-');
+                if (parts.Length == 2)
+                {
+                    if (float.TryParse(parts[0].Trim(), culture, out var x) && float.TryParse(parts[1].Trim(), culture, out var y))
+                    {
+                        return new TerrainPoint(x, y);
+                    }
+                }
+            }
+            return null;
+
+        }
+    }
+}

GameRealisticMap.Studio/Modules/Arma3WorldEditor/Views/Arma3WorldMapView.xaml

@@ -12,10 +12,11 @@
              xmlns:cal="http://caliburnmicro.com"
              Foreground="{DynamicResource EnvironmentWindowText}"
              mc:Ignorable="d" 
-             d:DesignHeight="450" d:DesignWidth="800">
+             d:DesignHeight="600" d:DesignWidth="1000">
     <UserControl.Resources>
         <a3:TexturePreviewConverter x:Key="TexturePreviewConverter" />
         <grm:MultipleConverter Scale="10" x:Key="X10" />
+        <grm:TerrainPointStringConverter x:Key="TerrainPointStringConverter" />
         <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
     </UserControl.Resources>
     <Grid>
@@ -104,17 +105,20 @@
                 </RadioButton.ContextMenu>
             </RadioButton>
 
+            <Rectangle Width="2" Margin="7 0" Fill="{x:Static SystemColors.ActiveBorderBrush}" />
+            <Image Source="pack://application:,,,/GameRealisticMap.Studio;component/Resources/Tools/center.png" Height="20" />
+            <TextBox Text="{Binding ViewCenter, Source={x:Reference GrmMap}, Converter={StaticResource TerrainPointStringConverter}, Mode=TwoWay}" Width="100" Margin="4" Keyboard.KeyDown="TextBox_KeyDown" TextAlignment="Center" />
 
         </StackPanel>
         <StackPanel Orientation="Horizontal" Margin="5"  Grid.Column="1">
             <Button Padding="5 0" cal:Message.Attach="TakeAerialImages">
                 <Run Text="{x:Static r:Labels.TakeAerialImages}"/>
             </Button>
         </StackPanel>
-        <grm:GrmMap Grid.Row="1" SizeInMeters="{Binding SizeInMeters}"  Grid.ColumnSpan="2">
+        <grm:GrmMap Grid.Row="1" SizeInMeters="{Binding SizeInMeters}"  Grid.ColumnSpan="2" x:Name="GrmMap">
 
             <grm:GrmMapEditLayer EditPoints="{Binding EditPoints}" ClearSelection="{Binding SelectItemCommand}" InsertPointCommand="{Binding InsertPointCommand}"  EditMode="{Binding GrmMapEditMode, Mode=TwoWay}" Outline="{Binding SelectedItems}">
-                
+
                 <grm:GrmMapHugeImageLayer Image="{Binding BackgroundImage}"  Resolution="{Binding BackgroundResolution}" Opacity="0.8" IsHitTestVisible="False" />
 
                 <grm:GrmMapArma3 x:Name="A3Layer" Roads="{Binding Roads}" Objects="{Binding Objects}" SelectItem="{Binding SelectItemCommand}" AddToSelectionCommand="{Binding AddToSelectionCommand}" />
@@ -133,11 +137,9 @@
                         </MenuItem>
                     </ContextMenu>
                 </grm:GrmMapEditLayer.SelectionContextMenu>
-                
+
             </grm:GrmMapEditLayer>
 
         </grm:GrmMap>
-
-
     </Grid>
 </UserControl>

GameRealisticMap.Studio/Modules/Arma3WorldEditor/Views/Arma3WorldMapView.xaml.cs

@@ -1,17 +1,6 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows;
-using System.Windows.Controls;
+using System.Windows.Controls;
 using System.Windows.Data;
-using System.Windows.Documents;
 using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
-using System.Windows.Shapes;
 
 namespace GameRealisticMap.Studio.Modules.Arma3WorldEditor.Views
 {
@@ -24,5 +13,13 @@ public Arma3WorldMapView()
         {
             InitializeComponent();
         }
+
+        private void TextBox_KeyDown(object sender, KeyEventArgs e)
+        {
+            if ( e.Key == Key.Enter)
+            {
+                BindingOperations.GetBindingExpression((TextBox)sender, TextBox.TextProperty).UpdateSource();
+            }
+        }
     }
 }

GameRealisticMap.Studio/Resources/Tools/CREDITS.txt

@@ -1 +1 @@
-Icons made by Freepik from https://www.flaticon.com/
+Icons made by Freepik and Dewi Sari from https://www.flaticon.com/