tried to fix bugs (partial success)

.vscode/tasks.json

@@ -10,7 +10,7 @@
         "command": "bash",
         "args": [
             "-c",
-            "cbuild build_exec_dbg"
+            "cbuild rebuild_dependencies=src-csharp build_exec_dbg"
         ],
         "options": {
           "cwd": "${workspaceFolder}"

dependencies/src-csharp.config

@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
 DEP_WORKING_DIR='src-csharp'
+CS_CONFIGURATION='Release'
 if [[ "$TASK" = *_dbg ]]; then
-    DEP_BUILD_COMMAND='dotnet build src-csharp.sln -o bin -c Debug'
-else
-    DEP_BUILD_COMMAND='dotnet build src-csharp.sln -o bin -c Release'
+    CS_CONFIGURATION='Debug'
 fi
+DEP_BUILD_COMMAND=$"dotnet build src-csharp.sln -o bin -c $CS_CONFIGURATION"
 DEP_CLEAN_COMMAND='rm -rf bin obj'
 DEP_OTHER_OUT_FILES='bin/Ougge.dll'

src-csharp/GameObject.cs

@@ -26,23 +26,21 @@ public class GameObject
     public Transform Transform { get; }
     public GameObject? Parent;
 
-    public readonly Dictionary<Type, Component> Components = new();
+    public Dictionary<Type, Component> Components = new();
 
-    private GameObject()
-    {
-    }
-
-    private void Init(ulong id, uint nativePoolIndex)
+    private GameObject(ulong id, uint nativePoolIndex)
     {
         _id = id;
         _index = nativePoolIndex;
+        // constructor doesn't work without writing to console
+        // TODO: FIX THIS BULLSHIT
+        Console.WriteLine($"GameObject(id: {id}, nativePoolIndex: {nativePoolIndex})");
     }
 
     static public GameObject Create()
     {
         NativeMethods.createGameObject(out ulong id, out uint index);
-        var o = new GameObject();
-        o.Init(id, index);
+        var o = new GameObject(id, index);
         return o;
     }
 
@@ -56,6 +54,9 @@ public class GameObject
             throw new Exception($"Can't destroy GameObject({_id})");
     }
 
+    /// <param name="t">type derived from Component</param>
+    /// <returns>true if new component instance was created, false if component of the same tipe is already added to GameObject</returns>
+    /// <exception cref="Exception"></exception>
     public bool TryCreateComponent(Type t)
     {
         if(!t.IsSubclassOf(typeof(Component)))
@@ -67,12 +68,13 @@ public class GameObject
         Components.Add(t, (Component)Activator.CreateInstance(t, this));
         return true;
     }
-    private bool TryCreateComponent(string fullName)
+    private bool TryCreateComponent_internal(string fullName)
     {
-        return TryCreateComponent(Type.GetType(fullName));
+        Type t = Type.GetType(fullName) ?? throw new Exception($"type not found '{fullName}'");
+        return TryCreateComponent(t);
     }
     
-    private void UpdateComponents(double deltaTime)
+    private void InvokeUpdate(double deltaTime)
     {
         foreach(var p in Components)
         {

src-csharp/Ougge.csproj

@@ -1,11 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
   <PropertyGroup>
     <TargetFramework>net48</TargetFramework>
     <LangVersion>latest</LangVersion>
     <RootNamespace>Ougge</RootNamespace>
     <ImplicitUsings>disable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <DebugType>embedded</DebugType>
   </PropertyGroup>
-
 </Project>

src/Mono/Mono.cpp

@@ -38,20 +38,28 @@ MonoMethod* tryGetMonoMethod(MonoClass* target_class, const std::string& name,
 {
     if(target_class == nullptr)
         throw UsefulException("target_class is nullptr");
+    
     // iterate each method
     void* iter = nullptr;
     MonoMethod* m = nullptr;
-    MonoType* return_type = nullptr;
     std::vector<MonoType*> argument_types;
     while( (m = mono_class_get_methods(target_class, &iter)) ){
+        // compare name
+        std::string m_name = mono_method_get_name(m);
+        if(m_name != name)
+            continue;
+        
         argument_types.clear();
+        MonoType* return_type = nullptr;
         getMethodSignatureTypes(m, &return_type, argument_types);
         // compare argument count
         if(argument_types.size() != arg_classes_size)
             continue;
+        
         // compare return type
         if(!mono_metadata_type_equal(return_type, mono_class_get_type(return_class)))
             continue;
+        
         // compare argument types
         bool argument_types_mismatch = false;
         for(size_t i = 0; i < arg_classes_size; i++){
@@ -62,6 +70,7 @@ MonoMethod* tryGetMonoMethod(MonoClass* target_class, const std::string& name,
         }
         if(argument_types_mismatch)
             continue;
+        
         // passed all tests successfully
         break;
     }

src/Mono/Mono.hpp

@@ -85,8 +85,11 @@ public:
         void* arg_array[] = { valueToVoidPtr(args)..., nullptr };
         MonoObject* ex = nullptr;
         mono_runtime_invoke(method_ptr, class_instance, arg_array, &ex);
-        if(ex)
+        if(ex){
+            //TODO:  call mono_trace_set_printerr_handler from  mono/mono/utils/mono-logger.h
             mono_print_unhandled_exception(ex);
+            throw UsefulException("Some C# exception occured");
+        }
     };
 
     /// all types must implement getClass<T>()
@@ -94,10 +97,11 @@ public:
         static MonoClass* arg_classes[] { getClass<ArgTypes>()... };
         static MonoClass* return_class { getClass<ReturnT>() };
         method_ptr = tryGetMonoMethod(target_class, name, return_class, arg_classes, sizeof...(ArgTypes));
-        if(method_ptr == nullptr)
+        if(method_ptr == nullptr){
             throw UsefulException(format("can't get method '%s' from class '%s'",
                 name.c_str(), mono_class_get_name(target_class)));
         }
+    }
 };
 
 

src/Mono/Runtime.cpp

@@ -15,7 +15,8 @@ RuntimeJIT::RuntimeJIT(const std::string& domain_name){
 }
 
 RuntimeJIT::~RuntimeJIT(){
-    mono_jit_cleanup(domain);
+    // TODO: fix segfault on cleanup
+    // mono_jit_cleanup(domain);
 }
 
 std::shared_ptr<Assembly> RuntimeJIT::loadAssembly(const std::string &name){

src/main.cpp

@@ -46,22 +46,23 @@ int main(int argc, const char** argv){
         MonoObject* exampleObjectManaged = mono_object_new(mono.getDomain(), gameObjectClass);
         u64 obj_id = 0;
         auto pair = p.emplace(GameObject(exampleObjectManaged, nullptr));
-        mono_runtime_object_init(exampleObjectManaged);
-        auto exampleObjectInit = Mono::Method<void(u64, u32)>(gameObjectClass, "Init");
-        exampleObjectInit(exampleObjectManaged, obj_id++, pair.first);
-        auto exampleObjectUpdate = Mono::Method<void(f64)>(gameObjectClass, "UpdateComponents");
+        auto gameObjectCtor = Mono::Method<void(u64, u32)>(gameObjectClass, ".ctor");
+        gameObjectCtor(exampleObjectManaged, obj_id++, pair.first);
 
+        auto exampleObjectUpdate = Mono::Method<void(f64)>(gameObjectClass, "InvokeUpdate");
         updateCallbacks.push_back([exampleObjectManaged, exampleObjectUpdate](f64 deltaTime) -> void {
             exampleObjectUpdate(exampleObjectManaged, deltaTime); 
         });
 
-        auto tryCreateComponent = Mono::Method<Mono::Bool(Mono::String)>(gameObjectClass, "TryCreateComponent");
-        Mono::String componentNameManaged = mono_string_new(mono.getDomain(), "ExampleComponent");
-        Mono::ObjectHandle componentNameObjectHandle((MonoObject*)(void*)componentNameManaged);
+        auto tryCreateComponent = Mono::Method<Mono::Bool(Mono::String)>(gameObjectClass, "TryCreateComponent_internal");
+        Mono::String componentNameManaged = mono_string_new(mono.getDomain(), "Ougge.ExampleComponent");
+        // Mono::ObjectHandle componentNameObjectHandle((MonoObject*)(void*)componentNameManaged);
         Mono::Bool created = tryCreateComponent(exampleObjectManaged, componentNameManaged);
         if(!created.wide_bool)
             throw UsefulException("couldn't create ExampleComponent");
         
+        std::cout<<"OK!"<<std::endl;
+        return 0;
         GUI::MainWindow w;
         w.open("ougge", update);
         std::cout<<"created sdl window"<<std::endl;