Remove mono from Glue functions

ScriptCoreGenerator/ScriptGlueGenerator.cs

@@ -100,6 +100,8 @@ public class ScriptGlueGenerator : IIncrementalGenerator
         public string? WrapperConvertInput;
         public string? WrapperCleanupInput;
 
+        public string? WrapperOutConversion;
+
         public string? ReturnValueConversion = "return returnValue;";
 
         public string CSharpWrapperType
@@ -237,6 +239,17 @@ public class ScriptGlueGenerator : IIncrementalGenerator
             WrapperConvertInput = "fixed (char* {0} = {1}) {{",
             WrapperCleanupInput = "}}"
         });
+        
+        beefTypeToMappedType.Add("char8*", new MappedType
+        {
+            BeefTypeName = "char8*",
+            CSharpTypeName = "byte*",
+            CSharpWrapperType = "string",
+            ReturnValueConversion = "return Marshal.PtrToStringUTF8((IntPtr)returnValue);",
+            WrapperConvertInput = "byte* {0} = (byte*)Marshal.StringToCoTaskMemUTF8({1});",
+            WrapperCleanupInput = "Marshal.FreeCoTaskMem((IntPtr){0});",
+            WrapperOutConversion = "{1} = Marshal.PtrToStringUTF8((IntPtr){0}) ?? \"\";"
+        });
 
         beefTypeToMappedType.Add("int32", new MappedType
         {
@@ -249,6 +262,16 @@ public class ScriptGlueGenerator : IIncrementalGenerator
             BeefTypeName = "System.Numerics.Quaternion",
             ReturnValueConversion = null
         });
+        
+        beefTypeToMappedType.Add("void*", new MappedType
+        {
+            BeefTypeName = "void*",
+            CSharpTypeName = "void*",
+            CSharpWrapperType = "IntPtr",
+            ReturnValueConversion = "return (IntPtr)returnValue;",
+            WrapperConvertInput = "void* {0} = (void*){1};",
+            WrapperOutConversion = "{1} = (IntPtr){0};"
+        });
     }
 
     private static void GenerateFunctionPointer(GlueMethod method, Dictionary<string, MappedType> beefTypeToMappedType, StringBuilder output)
@@ -341,7 +364,17 @@ public class ScriptGlueGenerator : IIncrementalGenerator
                     break;
             }
 
-            if (parameterType.WrapperConvertInput is not null)
+            if (parameterModifier == TypeModifier.Out && parameterType.WrapperOutConversion is not null)
+            {
+                string tmpArgName = $"{param.Name}Tmp";
+
+                call.Append($"var {tmpArgName}");
+                
+                cleanup.Append("\t\t");
+                cleanup.AppendFormat(parameterType.WrapperOutConversion, tmpArgName, param.Name);
+                cleanup.AppendLine();
+            }
+            else if (parameterType.WrapperConvertInput is not null)
             {
                 string convertedParamName = $"{param.Name}Converted";
 
@@ -422,7 +455,9 @@ public class ScriptGlueGenerator : IIncrementalGenerator
 
          wrappers.Append("""
                     // <auto-generated />
+                    using System;
                     using System.Collections.Generic;
+                    using System.Runtime.InteropServices;
 
                     namespace GlitchyEngine;