feat: Adds .NET 7 & Arm64 support (#1229)

## BREAKING CHANGE
**Publishing for linux will no longer include runtimes**

## Major Changes
* Adds .NET 7 support.
* Adds ARM64 support (experimental).
* Changes linux support to be open-ended against anything .NET 7 supports.
* Fixes native library resolutions. (Make sure to install `dev` versions of the libraries)
* Updates README
* Adds Ubuntu 22, CentOS 8/9 Stream to CI/CD.

## TODOs:
* Update modernuo.com docs

Closes #1173
Closes #1159

Projects/Server/Gumps/GumpAlphaRegion.cs

@@ -36,11 +36,7 @@ public class GumpAlphaRegion : GumpEntry
 
     public int Height { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         writer.WriteAscii($"{{ checkertrans {X} {Y} {Width} {Height} }}");
     }

Projects/Server/Gumps/GumpBackground.cs

@@ -39,11 +39,7 @@ public class GumpBackground : GumpEntry
 
     public int GumpID { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         writer.WriteAscii($"{{ resizepic {X} {Y} {GumpID} {Width} {Height} }}");
     }

Projects/Server/Gumps/GumpButton.cs

@@ -54,11 +54,7 @@ public class GumpButton : GumpEntry
 
     public int Param { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         writer.WriteAscii($"{{ button {X} {Y} {NormalID} {PressedID} {(int)Type} {Param} {ButtonID} }}");
     }

Projects/Server/Gumps/GumpCheck.cs

@@ -42,11 +42,7 @@ public class GumpCheck : GumpEntry
 
     public int SwitchID { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         var initialState = InitialState ? "1" : "0";
         writer.WriteAscii($"{{ checkbox {X} {Y} {InactiveID} {ActiveID} {initialState} {SwitchID} }}");

Projects/Server/Gumps/GumpECHandleInput.cs

@@ -22,11 +22,7 @@ public class GumpECHandleInput : GumpEntry
 {
     private static byte[] _layout = Gump.StringToBuffer("{ echandleinput }");
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         writer.Write(_layout);
     }

Projects/Server/Gumps/GumpEntry.cs

@@ -25,9 +25,5 @@ public abstract class GumpEntry
 
     // TODO: Replace OrderedHashSet with InsertOnlyHashSet, a copy of HashSet that is ReadOnly compatible, but includes
     // a public AddIfNotPresent function that returns the index of the element
-#if NET7_SDK
     public abstract void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches);
-#else
-    public abstract void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches);
-#endif
 }

Projects/Server/Gumps/GumpGroup.cs

@@ -26,11 +26,7 @@ public class GumpGroup : GumpEntry
 
     public int Group { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         if (Group == 1)
         {

Projects/Server/Gumps/GumpHtml.cs

@@ -45,11 +45,7 @@ public class GumpHtml : GumpEntry
 
     public bool Scrollbar { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         var textIndex = strings.GetOrAdd(Text ?? "");
         var background = Background ? "1" : "0";

Projects/Server/Gumps/GumpHtmlLocalized.cs

@@ -101,11 +101,7 @@ public class GumpHtmlLocalized : GumpEntry
     public GumpHtmlLocalizedType Type { get; set; }
 
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         var background = Background ? "1" : "0";
         var scrollbar = Scrollbar ? "1" : "0";

Projects/Server/Gumps/GumpImage.cs

@@ -39,11 +39,7 @@ public class GumpImage : GumpEntry
 
     public string Class { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         var hasHue = Hue != 0;
         var hasClass = !string.IsNullOrEmpty(Class);

Projects/Server/Gumps/GumpImageTileButton.cs

@@ -61,11 +61,7 @@ public class GumpImageTileButton : GumpEntry
 
     public int Height { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         writer.WriteAscii(
             $"{{ buttontileart {X} {Y} {NormalID} {PressedID} {(int)Type} {Param} {ButtonID} {ItemID} {Hue} {Width} {Height} }}"

Projects/Server/Gumps/GumpImageTiled.cs

@@ -39,11 +39,7 @@ public class GumpImageTiled : GumpEntry
 
     public int GumpID { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         writer.WriteAscii($"{{ gumppictiled {X} {Y} {Width} {Height} {GumpID} }}");
     }

Projects/Server/Gumps/GumpItem.cs

@@ -36,11 +36,7 @@ public class GumpItem : GumpEntry
 
     public int Hue { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         writer.WriteAscii(Hue == 0 ? $"{{ tilepic {X} {Y} {ItemID} }}" : $"{{ tilepichue {X} {Y} {ItemID} {Hue} }}");
     }

Projects/Server/Gumps/GumpItemProperty.cs

@@ -24,11 +24,7 @@ public class GumpItemProperty : GumpEntry
 
     public Serial Serial { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         writer.WriteAscii($"{{ itemproperty {Serial.Value} }}");
     }

Projects/Server/Gumps/GumpLabel.cs

@@ -36,11 +36,7 @@ public class GumpLabel : GumpEntry
 
     public string Text { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         var textIndex = strings.GetOrAdd(Text ?? "");
         writer.WriteAscii($"{{ text {X} {Y} {Hue} {textIndex} }}");

Projects/Server/Gumps/GumpLabelCropped.cs

@@ -42,11 +42,7 @@ public class GumpLabelCropped : GumpEntry
 
     public string Text { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         var textIndex = strings.GetOrAdd(Text ?? "");
         writer.WriteAscii($"{{ croppedtext {X} {Y} {Width} {Height} {Hue} {textIndex} }}");

Projects/Server/Gumps/GumpMasterGump.cs

@@ -24,11 +24,7 @@ public class GumpMasterGump : GumpEntry
 
     public int GumpID { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         writer.WriteAscii($"{{ mastergump {GumpID} }}");
     }

Projects/Server/Gumps/GumpPage.cs

@@ -26,11 +26,7 @@ public class GumpPage : GumpEntry
 
     public int Page { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         if (Page == 0)
         {

Projects/Server/Gumps/GumpRadio.cs

@@ -42,11 +42,7 @@ public class GumpRadio : GumpEntry
 
     public int SwitchID { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         var initialState = InitialState ? "1" : "0";
         writer.WriteAscii($"{{ radio {X} {Y} {InactiveID} {ActiveID} {initialState} {SwitchID} }}");

Projects/Server/Gumps/GumpSpriteImage.cs

@@ -45,11 +45,7 @@ public class GumpSpriteImage : GumpEntry
 
     public int SY { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         writer.WriteAscii($"{{ picinpic {X} {Y} {GumpID} {Width} {Height} {SX} {SY} }}");
     }

Projects/Server/Gumps/GumpTextEntry.cs

@@ -45,11 +45,7 @@ public class GumpTextEntry : GumpEntry
 
     public string InitialText { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         var textIndex = strings.GetOrAdd(InitialText ?? "");
         writer.WriteAscii($"{{ textentry {X} {Y} {Width} {Height} {Hue} {EntryID} {textIndex} }}");

Projects/Server/Gumps/GumpTextEntryLimited.cs

@@ -50,11 +50,7 @@ public class GumpTextEntryLimited : GumpEntry
 
     public int Size { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         var textIndex = strings.GetOrAdd(InitialText ?? "");
         writer.WriteAscii($"{{ textentrylimited {X} {Y} {Width} {Height} {Hue} {EntryID} {textIndex} {Size} }}");

Projects/Server/Gumps/GumpTooltip.cs

@@ -32,11 +32,7 @@ public class GumpTooltip : GumpEntry
 
     public string Args { get; set; }
 
-#if NET7_SDK
     public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
-#else
-    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
-#endif
     {
         writer.WriteAscii(string.IsNullOrEmpty(Args) ? $"{{ tooltip {Number} }}" : $"{{ tooltip {Number} @{Args}@ }}");
     }