From 6997cbeb477a34b92383b39d9dc4d7adfe3a5044 Mon Sep 17 00:00:00 2001
From: xxSeys1 <kaktusreiniger@gmail.com>
Date: Wed, 11 Jun 2025 13:08:59 +0200
Subject: [PATCH] add options for viewport icons

---
 Source/Editor/Options/ViewportOptions.cs      | 21 +++++++++++++++++++
 .../Utilities/ViewportIconsRenderer.cpp       |  9 ++++----
 .../Editor/Utilities/ViewportIconsRenderer.h  | 15 +++++++++++++
 Source/Editor/Viewport/EditorViewport.cs      |  5 +++++
 4 files changed, 46 insertions(+), 4 deletions(-)

diff --git a/Source/Editor/Options/ViewportOptions.cs b/Source/Editor/Options/ViewportOptions.cs
index 13ab2a8b0..aed633672 100644
--- a/Source/Editor/Options/ViewportOptions.cs
+++ b/Source/Editor/Options/ViewportOptions.cs
@@ -150,5 +150,26 @@ namespace FlaxEditor.Options
         [DefaultValue(typeof(Color), "0.5,0.5,0.5,1.0")]
         [EditorDisplay("Grid"), EditorOrder(310), Tooltip("The color for the viewport grid.")]
         public Color ViewportGridColor { get; set; } = new Color(0.5f, 0.5f, 0.5f, 1.0f);
+
+        /// <summary>
+        /// Gets or sets the minimum size used for viewport icons.
+        /// </summary>
+        [DefaultValue(7.0f), Limit(1.0f, 1000.0f, 5.0f)]
+        [EditorDisplay("Viewport Icons"), EditorOrder(400)]
+        public float IconsMinimumSize { get; set; } = 7.0f;
+
+        /// <summary>
+        /// Gets or sets the maximum size used for viewport icons.
+        /// </summary>
+        [DefaultValue(30.0f), Limit(1.0f, 1000.0f, 5.0f)]
+        [EditorDisplay("Viewport Icons"), EditorOrder(410)]
+        public float IconsMaximumSize { get; set; } = 30.0f;
+
+        /// <summary>
+        /// Gets or sets the distance towards the camera at which the max icon scale will be applied. Set to 0 to disable scaling the icons based on the distance to the camera.
+        /// </summary>
+        [DefaultValue(1000.0f), Limit(0.0f, 20000.0f, 5.0f)]
+        [EditorDisplay("Viewport Icons"), EditorOrder(410)]
+        public float MaxSizeDistance { get; set; } = 1000.0f;
     }
 }
diff --git a/Source/Editor/Utilities/ViewportIconsRenderer.cpp b/Source/Editor/Utilities/ViewportIconsRenderer.cpp
index 1f721d289..690c55424 100644
--- a/Source/Editor/Utilities/ViewportIconsRenderer.cpp
+++ b/Source/Editor/Utilities/ViewportIconsRenderer.cpp
@@ -65,13 +65,14 @@ public:
 
 ViewportIconsRendererService ViewportIconsRendererServiceInstance;
 float ViewportIconsRenderer::Scale = 1.0f;
+Real ViewportIconsRenderer::MinSize = 7.0f;
+Real ViewportIconsRenderer::MaxSize = 30.0f;
+Real ViewportIconsRenderer::MaxSizeDistance = 1000.0f;
 
 void ViewportIconsRenderer::GetBounds(const Vector3& position, const Vector3& viewPosition, BoundingSphere& bounds)
 {
-    constexpr Real minSize = 7.0;
-    constexpr Real maxSize = 30.0;
-    Real scale = Math::Square(Vector3::Distance(position, viewPosition) / 1000.0f);
-    Real radius = minSize + Math::Min<Real>(scale, 1.0f) * (maxSize - minSize);
+    Real scale = Math::Square(Vector3::Distance(position, viewPosition) / MaxSizeDistance);
+    Real radius = MinSize + Math::Min<Real>(scale, 1.0f) * (MaxSize - MinSize);
     bounds = BoundingSphere(position, radius * Scale);
 }
 
diff --git a/Source/Editor/Utilities/ViewportIconsRenderer.h b/Source/Editor/Utilities/ViewportIconsRenderer.h
index c7bf7e1c3..a1e1538b8 100644
--- a/Source/Editor/Utilities/ViewportIconsRenderer.h
+++ b/Source/Editor/Utilities/ViewportIconsRenderer.h
@@ -22,6 +22,21 @@ public:
     /// </summary>
     API_FIELD() static float Scale;
 
+    /// <summary>
+    /// The minimum size of the icons.
+    /// </summary>
+    API_FIELD() static Real MinSize;
+
+    /// <summary>
+    /// The maximum size of the icons.
+    /// </summary>
+    API_FIELD() static Real MaxSize;
+
+    /// <summary>
+    /// The distance to the camera at which the icons will be drawn at their maximum size.
+    /// </summary>
+    API_FIELD() static Real MaxSizeDistance;
+
     /// <summary>
     /// Draws the icons for the actors in the given scene (or actor tree).
     /// </summary>
diff --git a/Source/Editor/Viewport/EditorViewport.cs b/Source/Editor/Viewport/EditorViewport.cs
index b4af43281..0f9fce7c0 100644
--- a/Source/Editor/Viewport/EditorViewport.cs
+++ b/Source/Editor/Viewport/EditorViewport.cs
@@ -1292,6 +1292,11 @@ namespace FlaxEditor.Viewport
             _mouseSensitivity = options.Viewport.MouseSensitivity;
             _maxSpeedSteps = options.Viewport.TotalCameraSpeedSteps;
             _cameraEasingDegree = options.Viewport.CameraEasingDegree;
+
+            ViewportIconsRenderer.MinSize = options.Viewport.IconsMinimumSize;
+            ViewportIconsRenderer.MaxSize = options.Viewport.IconsMaximumSize;
+            ViewportIconsRenderer.MaxSizeDistance = options.Viewport.MaxSizeDistance;
+
             OnCameraMovementProgressChanged();
         }