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Automatic script assembly reloading

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This commit is contained in:
Simon Lübeß
2023-07-20 22:11:11 +02:00
parent 0cbb8a4966
commit 5f27b8001a
4 changed files with 73 additions and 197 deletions
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GlitchyEngine/src/Scripting/ScriptEngine.bf
+39 -77
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@@ -72,7 +72,7 @@ static class ScriptEngine
}
delete _;
}
public static Dictionary<StringView, ScriptClass> EntityClasses => _entityScripts;
public static Scene Context => s_Context;
@@ -86,6 +86,8 @@ static class ScriptEngine
delete _;
};
private static FileSystemWatcher _userAssemblyWatcher ~ delete _;
internal static class Attributes
{
@@ -102,6 +104,40 @@ static class ScriptEngine
ScriptGlue.Init();
LoadScriptAssemblies();
InitAssemblyWatcher();
}
static void InitAssemblyWatcher()
{
if (_userAssemblyWatcher == null)
{
// TODO: Obviously don't hardcode path
_userAssemblyWatcher = new FileSystemWatcher("SandboxProject/Assets/Scripts/bin/", "*/Sandbox.dll");
_userAssemblyWatcher.OnChanged.Add(new (fileName) =>
{
// TODO: Temporary, we want to be able to reload while in play-mode. (+ Editor Scripts will be a thing some day)
if (_entityScriptInstances.Count > 0)
{
Log.EngineLogger.Warning("There are script instances. Skipping assembly reload.");
return;
}
Log.EngineLogger.Info("Script reload requested.");
_userAssemblyWatcher.StopRaisingEvents();
Application.Instance.InvokeOnMainThread(new () =>
{
Log.EngineLogger.Info("Reloading scripts...");
ReloadAssemblies();
Log.EngineLogger.Info("Scripts reloaded!");
_userAssemblyWatcher.StartRaisingEvents();
});
});
}
_userAssemblyWatcher.StartRaisingEvents();
}
static void LoadScriptAssemblies()
@@ -259,6 +295,8 @@ static class ScriptEngine
public static void ReloadAssemblies()
{
Debug.Profiler.ProfileFunction!();
Mono.mono_domain_set(s_RootDomain, false);
Mono.mono_domain_unload(s_AppDomain);
@@ -382,80 +420,4 @@ static class ScriptEngine
return scriptClass;
}
/*static void Samples()
{
PrintAssemblyTypes(s_CoreAssembly);
function MonoString*() v = => Sample;
Mono.mono_add_internal_call("GlitchyEngine.CSharpTesting::Sample", v);
function void(in float3, in float3, out float3) v2 = => Add;
Mono.mono_add_internal_call("GlitchyEngine.float3::Add_Internal", v2);
// Create object
ScriptClass myClass = scope .("GlitchyEngine", "CSharpTesting");
MonoObject* instance = myClass.CreateInstance();
MonoMethod* simpleMethod = myClass.GetMethod("PrintFloatVar");
myClass.Invoke(simpleMethod, instance);
MonoMethod* methodWithArg = myClass.GetMethod("IncrementFloatVar", 1);
float increment = 2.0f;
float returnedValue = myClass.Invoke<float>(methodWithArg, instance, &increment);
Log.EngineLogger.Info($"C# returned: {returnedValue}");
Mono.mono_runtime_invoke(simpleMethod, instance, null, null);
}
[LinkName(.C), AlwaysInclude, Export]
public static void DoSomething()
{
Console.WriteLine("P/Invoke: Hallo von der Engine!");
}
[LinkName(.C), AlwaysInclude, Export]
public static void Add(in float3 a, in float3 b, out float3 c)
{
c = a + b;
}
[LinkName(.C), AlwaysInclude]
public static MonoString* Sample()
{
return Mono.mono_string_new(Mono.mono_domain_get(), "Hello!");
}
private static void PrintAssemblyTypes(MonoAssembly* assembly)
{
MonoImage* image = Mono.mono_assembly_get_image(assembly);
MonoTableInfo* typeDefinitionsTable = Mono.mono_image_get_table_info(image, .MONO_TABLE_TYPEDEF);
int32 numTypes = Mono.mono_table_info_get_rows(typeDefinitionsTable);
for (int32 i = 0; i < numTypes; i++)
{
int32[(.)SOME_RANDOM_ENUM.MONO_TYPEDEF_SIZE] cols = .();
Mono.mono_metadata_decode_row(typeDefinitionsTable, i, (.)&cols, (.)SOME_RANDOM_ENUM.MONO_TYPEDEF_SIZE);
char8* nameSpace = Mono.mono_metadata_string_heap(image, (.)cols[(.)SOME_RANDOM_ENUM.MONO_TYPEDEF_NAMESPACE]);
char8* name = Mono.mono_metadata_string_heap(image, (.)cols[(.)SOME_RANDOM_ENUM.MONO_TYPEDEF_NAME]);
Log.EngineLogger.Info($"{StringView(nameSpace)}.{StringView(name)}");
}
}*/
}