Wrapping runtime compiled code as a module manager

CMakeLists.txt

@@ -65,8 +65,8 @@ SET ( protot_SRCS
 	src/shaderc_glsl.cpp
 	src/shaderc_hlsl.cpp
 
-	src/Scene.cc
-	src/SceneObject.cpp
+	src/ModuleManager.cc
+	src/TestModule.cpp
 
 	3rdparty/glfw/deps/glad.c
 	)

src/ModuleManager.cc

@@ -1,4 +1,4 @@
-#include "Scene.h"
+#include "ModuleManager.h"
 
 // Runtime Compiled Cpp
 #include "RuntimeCompiledCpp/RuntimeObjectSystem/IObjectFactorySystem.h"
@@ -26,13 +26,13 @@
 
 using namespace std;
 
-Scene::Scene() :
+ModuleManager::ModuleManager() :
 	mCompilerLogger(nullptr),
-	mRuntimeObjectSystem(nullptr),
-	mUpdateable(nullptr) {
+	mRuntimeObjectSystem(nullptr)
+	{
 }
 
-Scene::~Scene() {
+ModuleManager::~ModuleManager() {
 	if (mRuntimeObjectSystem != nullptr) {
 		mRuntimeObjectSystem->CleanObjectFiles();
 	}
@@ -40,16 +40,18 @@ Scene::~Scene() {
 	if (mRuntimeObjectSystem && mRuntimeObjectSystem->GetObjectFactorySystem()) {
 		mRuntimeObjectSystem->GetObjectFactorySystem()->RemoveListener(this);
 
-		// delete object via correct interface
-		IObject* obj = mRuntimeObjectSystem->GetObjectFactorySystem()->GetObject( mObjectId );
-		delete obj;
+		for (unsigned int i = 0; i < mModuleIds.size(); i++) {
+			// delete object via correct interface
+			IObject* obj = mRuntimeObjectSystem->GetObjectFactorySystem()->GetObject( mModuleIds[i] );
+			delete obj;
+		}
 	}
 
 	delete mRuntimeObjectSystem;
 	delete mCompilerLogger;
 }
 
-bool Scene::init() {
+bool ModuleManager::init() {
 	mRuntimeObjectSystem = new RuntimeObjectSystem;
 	mCompilerLogger = new StdioLogSystem();
 
@@ -60,48 +62,66 @@ bool Scene::init() {
 
 	mRuntimeObjectSystem->GetObjectFactorySystem()->AddListener(this);
 
-	// construct an object
-	IObjectConstructor* constructor = mRuntimeObjectSystem->GetObjectFactorySystem()->GetConstructor("SceneObject");
-	if (constructor) {
-		IObject* obj = constructor->Construct();
-		obj->GetInterface(&mUpdateable);
-		
-		if (nullptr == mUpdateable) {
-			delete obj;
-			mCompilerLogger->LogError("Error - no updateable interface found!\n");
-			return false;
-		}
-
-		mObjectId = obj->GetObjectId();
-	}
-
 	return true;
 }
 
-void Scene::OnConstructorsAdded() {
-	if (mUpdateable) {
-		IObject* obj = mRuntimeObjectSystem->GetObjectFactorySystem()->GetObject(mObjectId);
-		obj->GetInterface(&mUpdateable);
+void ModuleManager::OnConstructorsAdded() {
+	for (unsigned int i = 0; i < mModules.size(); i++) {
+		IUpdateable* module = mModules[i];
+
+		if (!module)
+			continue;
+
+		IObject* obj = mRuntimeObjectSystem->GetObjectFactorySystem()->GetObject(mModuleIds[i]);
+		obj->GetInterface(&mModules[i]);
 		
-		if (nullptr == mUpdateable) {
+		if (nullptr == module) {
 			delete obj;
 			mCompilerLogger->LogError("Error - no updateable interface found!\n");
 		}
 	}
 }
 
-void Scene::update() {
+void ModuleManager::update() {
 	if (mRuntimeObjectSystem->GetIsCompiledComplete()) {
 		mRuntimeObjectSystem->LoadCompiledModule();
 	}
 
 	if (!mRuntimeObjectSystem->GetIsCompiling()) {
 		static int num_updates = 0;
+		num_updates ++;
 		std::cout << "Main loop. num_updates = " << num_updates << "\n";
 
 		const float delta_time = 1.0f;
 		mRuntimeObjectSystem->GetFileChangeNotifier()->Update(delta_time);
-		mUpdateable->Update(delta_time);
-		usleep(1000 * 1000);
+
+		for (unsigned int i = 0; i < mModules.size(); i++) {
+			mModules[i]->Update(delta_time);
+		}
+
+		usleep(1000 * 100);
 	}
 }
+
+bool ModuleManager::RegisterModule(const char* name) {
+	cout << "Registering Module: " << name << endl;
+
+	// construct an object
+	IObjectConstructor* constructor = mRuntimeObjectSystem->GetObjectFactorySystem()->GetConstructor(name);
+	if (constructor) {
+		IObject* obj = constructor->Construct();
+		IUpdateable** module = new IUpdateable*[1];
+		obj->GetInterface(module);
+		
+		if (nullptr == module) {
+			delete obj;
+			mCompilerLogger->LogError("Error - no updateable interface found!\n");
+			return false;
+		}
+
+		mModules.push_back(*module);
+		mModuleIds.push_back(obj->GetObjectId());
+	}
+
+	return true;
+}

src/ModuleManager.h

@@ -6,17 +6,20 @@
 struct IUpdateable;
 struct IRuntimeObjectSystem;
 
-struct Scene : IObjectFactoryListener {
+struct ModuleManager : IObjectFactoryListener {
 	ICompilerLogger* mCompilerLogger;
 	IRuntimeObjectSystem* mRuntimeObjectSystem;
 
-	IUpdateable* mUpdateable;
-	ObjectId mObjectId;
+	std::vector<IUpdateable*> mModules;
+	std::vector<ObjectId> mModuleIds;
 
-	Scene();
-	virtual ~Scene();
+	ModuleManager();
+	virtual ~ModuleManager();
 
 	bool init();
-	void OnConstructorsAdded();
 	void update ();
+
+	void OnConstructorsAdded();
+	bool RegisterModule(const char* name);
+
 };

src/Renderer.cc

@@ -20,8 +20,6 @@
 
 #include "math_types.h"
 
-#include "Scene.h"
-
 // BGFX globals
 
 bgfx::VertexBufferHandle cube_vbh;
@@ -465,8 +463,6 @@ class BGFXCallbacks: public bgfx::CallbackI {
 	};
 };
 
-Scene scene;
-
 void Renderer::initialize(int width, int height) {
 	this->width = width;
 	this->height = height;
@@ -534,8 +530,6 @@ void Renderer::initialize(int width, int height) {
 	initialized = true;
 	resize (width, height);
 	bgfx::frame();
-
-	scene.init();
 }
 
 void Renderer::shutdown() {
@@ -600,16 +594,15 @@ void Renderer::paintGLSimple() {
 	const double toMs = 1000.0/freq;
 
 	// Use debug font to print information about this example.
-	bgfx::dbgTextClear();
 	bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/00-helloworld");
 	bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Initialization and debug text.");
 	bgfx::dbgTextPrintf(0, 3, 0x8f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
 
-	scene.update();
-
 	// Advance to next frame. Rendering thread will be kicked to
 	// process submitted rendering primitives.
 	bgfx::frame();
+	bgfx::dbgTextClear();
+
 }
 
 void Renderer::paintGL() {

src/SceneObject.h

@@ -1,18 +0,0 @@
-#include "RuntimeCompiledCpp/RuntimeObjectSystem/ObjectInterfacePerModule.h"
-#include "RuntimeCompiledCpp/RuntimeObjectSystem/IObject.h"
-
-#include "IUpdateable.h"
-#include "InterfaceIds.h"
-#include <iostream>
-
-
-class SceneObject : public TInterface<IID_IUPDATEABLE,IUpdateable>
-{
-public:
-	virtual void Update( float deltaTime )
-	{
-		std::cout << "Runtime Object 01231 update called!\n";
-	}
-};
-
-REGISTERCLASS(SceneObject);

src/TestModule.cpp

@@ -5,14 +5,13 @@
 #include "rcpp/InterfaceIds.h"
 #include <iostream>
 
-
-class SceneObject : public TInterface<IID_IUPDATEABLE,IUpdateable>
+class TestModule : public TInterface<IID_IUPDATEABLE,IUpdateable>
 {
 public:
 	virtual void Update( float deltaTime )
 	{
-		std::cout << "Runtime Object 23 update called!\n";
+		std::cout << "TestModule:  1 Runtime Object 214 update called!\n";
 	}
 };
 
-REGISTERCLASS(SceneObject);
+REGISTERCLASS(TestModule);

src/main.cc

@@ -48,6 +48,7 @@
 #include "bgfx/bgfxplatform.h"
 #include "bx/timer.h"
 #include "Renderer.h"
+#include "ModuleManager.h"
 
 using namespace std;
 
@@ -153,6 +154,11 @@ int main(void)
 	// Set view 0 clear state.
 //	bgfx::setViewClear(0, BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH, 0x3070F0FF);
 
+	printf("Initializing ModuleManager...\n");
+	ModuleManager module_manager;
+	module_manager.init();
+	module_manager.RegisterModule("TestModule");
+
 	printf("Starting main loop...\n");
 	glfwSetKeyCallback(win, key_callback);
 	int64_t time_offset = bx::getHPCounter();
@@ -173,7 +179,10 @@ int main(void)
 			renderer.resize(width, height);
 		}
 
+		module_manager.update();
+
 		renderer.paintGLSimple();
+
 //		bgfx::setViewRect(0, 0, 0, width, height);
 
 		// Dummy submit call to make sure view 0 is cleared