updated to godot 4.5

FOU.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Godot.NET.Sdk/4.4.1">
+<Project Sdk="Godot.NET.Sdk/4.5.1">
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
     <EnableDynamicLoading>true</EnableDynamicLoading>

FOU.csproj.old.1

@@ -0,0 +1,12 @@
+<Project Sdk="Godot.NET.Sdk/4.4.1">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+  </PropertyGroup>
+  <ItemGroup>
+    <Content Include="benchmark.txt" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="UI\" />
+  </ItemGroup>
+</Project>

Scenes/main.tscn

@@ -87,3 +87,10 @@ size_flags_vertical = 1
 max_value = 10.0
 step = 0.01
 value = 1.0
+
+[node name="ToolbarMarginContainer2" parent="CanvasLayer/TopUI" instance=ExtResource("5_kry3j")]
+layout_mode = 0
+offset_left = 860.0
+offset_top = 5.0
+offset_right = 1060.0
+offset_bottom = 69.0

Scripts/Chunk.cs

@@ -13,6 +13,7 @@ public class Chunk {
     public Chunk NeighborS = null;
     public Chunk NeighborW = null;
 
+    private readonly Image image;
     private readonly int sizeX;
     private readonly int sizeY;
     private readonly HashSet<Element> activeElements;
@@ -32,6 +33,9 @@ public class Chunk {
         }
 
         activeElements = new HashSet<Element>(sizeX * sizeY);
+
+        image = Image.CreateEmpty(sizeX, sizeY, false, Image.Format.Rgb8);
+        image.Fill(Colors.Black);
     }
 
     public void Update() {
@@ -69,16 +73,15 @@ public class Chunk {
             return;
         }
 
-        // check if not empty and overwrite not allowed:
-        if (!Elements[x,y].IsEmpty() && !Main.Instance.AllowOverwrite)
-            return;
-        else if (!Elements[x,y].IsEmpty()) {
-            Elements[x, y].Chunk.RemoveFromChunk(Elements[x, y]);
-        }
-
         Type type = typeof(T);
         object o = Activator.CreateInstance(type, x, y, this);
 
+        // check if not empty and overwrite not allowed:
+        if (!Elements[x,y].IsEmpty() && !Main.Instance.AllowOverwrite) {
+            return;
+        }
+
+        Elements[x, y].Chunk.RemoveFromChunk(Elements[x, y]);
         Elements[x, y] = o as Element;
         Elements[x, y].Active = true;
     }
@@ -87,6 +90,10 @@ public class Chunk {
         return activeElements.Count;
     }
 
+    public void Swap(Element what, Vector2I pos) {
+        Swap(what, Get(pos));
+    }
+
     public Element Get(Vector2I pos) {
         Element e = null;
 
@@ -122,10 +129,6 @@ public class Chunk {
         return Get(pos)?.GetType() == typeof(Element);
     }
 
-    public void Swap(Element what, Vector2I pos) {
-        Swap(what, Get(pos));
-    }
-
     private void Swap(Element what, Element swapTo) {
         if (what == null || swapTo == null) {
             GD.PrintErr("Trying to swap null");
@@ -152,13 +155,8 @@ public class Chunk {
 
         what.Active = true;
         what.Moved();
-        if (what.IsEmpty())
-            what.ActivateNeighbors();
-
         swapTo.Active = true;
         swapTo.Moved();
-        if (swapTo.IsEmpty())
-            swapTo.ActivateNeighbors();
     }
 
     public override string ToString() {

Scripts/Elements/Element.cs

@@ -31,7 +31,7 @@ public class Element{
         Chunk.SetElementActive(this, Active);
     }
 
-    public Element(int x, int y, Chunk chunk, bool active = true) {
+    public Element(int x, int y, Chunk chunk) {
         Position.X = x;
         Position.Y = y;
         Chunk = chunk;
@@ -131,23 +131,4 @@ public class Element{
     public bool IsEmpty() {
         return GetType() == typeof(Element);
     }
-
-    public virtual void ActivateNeighbors() {
-
-        Element n = Chunk.Get(Position + Vector2I.Up);
-        if (n != null && !n.IsEmpty())
-            n.Active = true;
-        //
-        // Element e = Chunk.Get(Position + Vector2I.Right);
-        // if (e != null && !e.IsEmpty())
-        //     e.Active = true;
-        //
-        // Element s = Chunk.Get(Position + Vector2I.Down);
-        // if (null != s && !s.IsEmpty())
-        //     s.Active = true;
-        //
-        // Element w = Chunk.Get(Position + Vector2I.Left);
-        // if (null != w && !w.IsEmpty())
-        //     w.Active = true;
-    }
 }

Scripts/Elements/Liquid.cs

@@ -26,34 +26,9 @@ public abstract class Liquid : Element {
             Chunk.Swap(this, Position + Vector2I.Down);
 
         else if (Chunk.IsEmpty(Position + randomDirection))
-            Chunk.Swap(this, Position + randomDirection);
-        else if (Chunk.IsEmpty(Position + randomDirection * VERTICAL_OPPOSITE))
-            Chunk.Swap(this, Position + randomDirection * VERTICAL_OPPOSITE);
+            Chunk.Swap(this, Position + Vector2I.Right * randomDirection);
 
-        else if (Chunk.IsEmpty(Position + 1 * randomDirection))
-            Chunk.Swap(this, Position + 1 * randomDirection);
-        else if (Chunk.IsEmpty(Position - 1 * randomDirection * VERTICAL_OPPOSITE))
-            Chunk.Swap(this, Position - 1 * randomDirection * VERTICAL_OPPOSITE);
-
-        else if (Chunk.IsEmpty(Position + 2 * randomDirection))
-            Chunk.Swap(this, Position + 2 * randomDirection);
-        else if (Chunk.IsEmpty(Position - 2 * randomDirection * VERTICAL_OPPOSITE))
-            Chunk.Swap(this, Position - 2 * randomDirection * VERTICAL_OPPOSITE);
-    }
-
-    public override void ActivateNeighbors() {
-
-        Element n = Chunk.Get(Position + Vector2I.Up);
-        if (n != null && !n.IsEmpty())
-            n.Active = true;
-
-        // only activate liquids left or right
-        Element e = Chunk.Get(Position + Vector2I.Right);
-        if (e != null && e.GetType() == typeof(Liquid))
-            e.Active = true;
-
-        Element s = Chunk.Get(Position + Vector2I.Down);
-        if (null != s && s.GetType() == typeof(Liquid))
-            s.Active = true;
+        else if (Chunk.IsEmpty(Position + randomDirection))
+            Chunk.Swap(this, Position + Vector2I.Right * randomDirection * VERTICAL_OPPOSITE);
     }
 }

project.godot

@@ -12,7 +12,7 @@ config_version=5
 
 config/name="FOU"
 run/main_scene="res://Scenes/main.tscn"
-config/features=PackedStringArray("4.4", "C#", "Forward Plus")
+config/features=PackedStringArray("4.5", "C#", "Forward Plus")
 config/icon="res://icon.svg"
 
 [dotnet]