Refactored foreign method binding to be completely handled by the WrenState object

src/scripting/coreAPI.cpp

@@ -19,7 +19,6 @@ namespace lunarium
 {
     CoreAPI* CoreAPI::mpInstance = nullptr;
     WrenScript CoreAPI::mScript;
-    std::vector<CoreAPI::ForeignMethodID> CoreAPI::mForeignMethods;
     CoreAPI& CoreAPI::GetInstance()
     {
         if (mpInstance == nullptr)
@@ -39,11 +38,9 @@ namespace lunarium
     OpRes CoreAPI::Initialize(WrenState& sman)
     {
         mCat = sman.GetLogCat();
-        // Initialize Foreign methods
-        mForeignMethods.push_back({"CoreAPI", "Core", true, "IsKeyDown(_)", (ForeignMethod)&CoreAPI::IsKeyDown});
 
-        // Register callbacks
-        sman.RegisterForeignMethodBinder((FMBinder*)&CoreAPI::ForeignMethodBinder);
+        // Register Methods
+        sman.RegisterForeignMethod({"CoreAPI", "Core", true, "IsKeyDown(_)", (ForeignMethod)&CoreAPI::IsKeyDown});
 
         // Generate Code
         std::string keys_script = GenerateWrenKeyCodes();
@@ -65,22 +62,6 @@ namespace lunarium
        return OpRes::OK();
     }
     
-    WrenForeignMethodFn CoreAPI::ForeignMethodBinder(WrenVM* vm, const char* module, const char* class_name, bool isStatic, const char* signature)
-    {
-        ForeignMethodID FMID = { module, class_name, isStatic, signature };
-
-        for (auto iter = mForeignMethods.begin(); iter != mForeignMethods.end(); iter++)
-        {
-            if (FMID == (*iter))
-            {
-                return iter->FM;
-            }
-        }
-
-        return nullptr;
-    }
-
-    
     std::string CoreAPI::GenerateWrenKeyCodes()
     {
         std::string key_codes = "class KeyCodes {\n";

src/scripting/coreAPI.h

@@ -37,28 +37,12 @@ namespace lunarium
         static WrenScript mScript;
         u32 mCat;
         
-        typedef void (*ForeignMethod)(WrenVM*);
-        struct ForeignMethodID
-        {
-            std::string Module;
-            std::string Class;
-            bool IsStatic;
-            std::string Signature;
-            ForeignMethod FM;
-
-            bool operator==(const ForeignMethodID& rhs)
-            {
-                return (Module == rhs.Module && Class == rhs.Class && IsStatic == rhs.IsStatic && Signature == rhs.Signature);
-            }
-        };
-
-        static std::vector<ForeignMethodID> mForeignMethods;
 
     private: // Helper methods
         std::string GenerateWrenKeyCodes();
 
     private: // Callbacks
-        static ForeignMethod ForeignMethodBinder(WrenVM* vm, const char* module, const char* className, bool isStatic, const char* signature);
+        //static ForeignMethod ForeignMethodBinder(WrenVM* vm, const char* module, const char* className, bool isStatic, const char* signature);
 
     public: // API
 

src/scripting/internal_scripts/world_interface.wren

@@ -55,9 +55,7 @@ class WorldInterface {
     //				API
     /////////////////////////////////////////////////////////////////////
 
-    static GetComponent(entity_id, component_id) {
-
-    }
+    //foreign static GetComponent(entity_id, component_id)
 }
 
 

src/scripting/wren_state.cpp

@@ -15,7 +15,7 @@
 
 namespace lunarium
 {
-    std::vector<FMBinder*> WrenState::mFMBinders;
+    std::vector<WrenState::ForeignMethodDesc> WrenState::mForeignMethods;
     
     WrenState::~WrenState()
     {
@@ -49,9 +49,9 @@ namespace lunarium
         return mLogCat;
     }
 
-    void WrenState::RegisterForeignMethodBinder(FMBinder* binder_method)
+    void WrenState::RegisterForeignMethod(ForeignMethodDesc method_desc)
     {
-        mFMBinders.push_back(binder_method);
+        mForeignMethods.push_back(method_desc);
     }
 
     /////////////////////////////////////////////////////////////////////
@@ -177,21 +177,19 @@ namespace lunarium
     }
 
     
-    WrenForeignMethodFn WrenState::BindForeignMethodFN(WrenVM* vm, const char* module, const char* className, bool isStatic, const char* signature)
+    WrenForeignMethodFn WrenState::BindForeignMethodFN(WrenVM* vm, const char* module, const char* class_name, bool isStatic, const char* signature)
     {
-        // Bind methods
+        ForeignMethodDesc FMID = { module, class_name, isStatic, signature };
 
-        // If method not recognized, call any registered FMBinder methods
-        for (auto iter = mFMBinders.begin(); iter != mFMBinders.end(); iter++)
+        for (auto iter = mForeignMethods.begin(); iter != mForeignMethods.end(); iter++)
         {
-            auto FN = ((FMBinder)(*iter))(vm, module, className, isStatic, signature);
-            if (FN)
+            if (FMID == (*iter))
             {
-                return FN;
+                return iter->FM;
             }
         }
         
-        Logger::Error(mLogCat, "Failed to bind foreign method: %s::%s", className, signature);
+        Logger::Error(mLogCat, "Failed to bind foreign method: %s::%s", class_name, signature);
         return nullptr;
     }
 }

src/scripting/wren_state.h

@@ -42,17 +42,33 @@ namespace lunarium
 
     class WrenScript;
 
-    typedef WrenForeignMethodFn (*FMBinder) (WrenVM*, const char*, const char*, bool, const char*);
+    typedef WrenForeignMethodFn ForeignMethod;
 
     class WrenState
     {
+    public: 
+        struct ForeignMethodDesc
+        {
+            std::string Module;
+            std::string Class;
+            bool IsStatic;
+            std::string Signature;
+            ForeignMethod FM;
+
+            bool operator==(const ForeignMethodDesc& rhs)
+            {
+                return (Module == rhs.Module && Class == rhs.Class && IsStatic == rhs.IsStatic && Signature == rhs.Signature);
+            }
+        };
+
+
     public:
         ~WrenState();
         OpRes Initialize();
         void Shutdown();
         u32 GetLogCat() const;
 
-        void RegisterForeignMethodBinder(FMBinder* binder_method);
+        void RegisterForeignMethod(ForeignMethodDesc method_desc);
 
         void RunScript(WrenScript* script);
         void RunSnippet(std::string name, std::string code);
@@ -62,6 +78,9 @@ namespace lunarium
         void CallWrenMethod(WrenHandle* method, WrenHandle* receiver, std::vector<WrenParameter> params, std::string name_tag);
         void ReleaseWrenHandle(WrenHandle* handle);
 
+
+
+public:
     // CALL BACKS
     static void WriteFN(WrenVM* vm, const char* text);
     static void ErrorFN(WrenVM* vm, WrenErrorType type, const char* module, int line, const char* message);
@@ -72,7 +91,7 @@ namespace lunarium
     private:
         static u32 mLogCat;
         WrenVM* mpVM;
-        static std::vector<FMBinder*> mFMBinders;
+        static std::vector<ForeignMethodDesc> mForeignMethods;
 
     };
 }

src/world/world.h

@@ -134,6 +134,9 @@ namespace lunarium
         // TEST STUFF
         //bool mGetAssetsFromEditor;  // This is for testing until we get a proper asset manager
 
+    private: // SCRIPTING API
+        static void GetComponent(WrenVM* vm);
+        
     private: // HELPERS
         void InitScriptState();
         void RenderEditor(lunarium::Renderer2D* pGraphics) const;