Function RunApplication

sdk/samples/tutorial/source/main.cpp:86–210

int RunApplication()
{
	int r;

	// Create the script engine
	asIScriptEngine *engine = asCreateScriptEngine();
	if( engine == 0 )
	{
		cout << "Failed to create script engine." << endl;
		return -1;
	}

	// The script compiler will write any compiler messages to the callback.
	engine->SetMessageCallback(asFUNCTION(MessageCallback), 0, asCALL_CDECL);

	// Configure the script engine with all the functions, 
	// and variables that the script should be able to use.
	ConfigureEngine(engine);
	
	// Compile the script code
	r = CompileScript(engine);
	if( r < 0 )
	{
		engine->Release();
		return -1;
	}

	// Create a context that will execute the script.
	asIScriptContext *ctx = engine->CreateContext();
	if( ctx == 0 ) 
	{
		cout << "Failed to create the context." << endl;
		engine->Release();
		return -1;
	}

	// We don't want to allow the script to hang the application, e.g. with an
	// infinite loop, so we'll use the line callback function to set a timeout
	// that will abort the script after a certain time. Before executing the 
	// script the timeOut variable will be set to the time when the script must 
	// stop executing. 
	DWORD timeOut;
	r = ctx->SetLineCallback(asFUNCTION(LineCallback), &timeOut, asCALL_CDECL);
	if( r < 0 )
	{
		cout << "Failed to set the line callback function." << endl;
		ctx->Release();
		engine->Release();
		return -1;
	}

	// Find the function for the function we want to execute.
	asIScriptFunction *func = engine->GetModule(0)->GetFunctionByDecl("float calc(float, float)");
	if( func == 0 )
	{
		cout << "The function 'float calc(float, float)' was not found." << endl;
		ctx->Release();
		engine->Release();