private static void RunLoop(IConsoleBackend term, IContainer <GameState> ecs)
{
const int msPerFrame = 20;
var width = term.WindowWidth;
var height = term.WindowHeight;
var state = new GameState(msPerFrame / 1000f, width, height, term);
// initialize
ecs.InitializeSystems(state);
// run
while (true)
{
// Note - in a real game update and rendering logic
// is often separated - there is no requirement
// for putting the rendering logic inside ECS -
// since it's a DI container, you can freely
// resolve needed components and systems from
// external code and use them in any other way
ecs.ExecuteSystems(state);
Thread.Sleep(20);
if (term.KeyAvailable)
{
break; // exit on any key press
}
}
}
private static void SpawnEntities(IContainer <GameState> ecs, IConsoleBackend term)
{
for (var i = 0; i < 50; i++)
{
SpawnRandomEntity(ecs, term);
}
}
public GameState(float deltaSeconds, int screenWidth, int screenHeight, IConsoleBackend backend)
{
DeltaSeconds = deltaSeconds;
ScreenWidth = screenWidth;
ScreenHeight = screenHeight;
Backend = backend;
}
private static int SpawnRandomEntity(IContainer <GameState> ecs, IConsoleBackend term)
{
var em = ecs.EntityManager;
var id = em.Create(); // create an entity ID
var screenSize = new Vector2(term.WindowWidth, term.WindowHeight);
var maxSpeed = new Vector2(10f);
// add physics component
var position = RandomVector(Vector2.Zero, screenSize);
var velocity = RandomVector(-maxSpeed, maxSpeed);
ecs.AddComponent(id, new PhysicsObject(position, velocity));
// add drawable component
var symbol = RandomElement(s_symbols);
var color = RandomEnumValue <Color16>();
ecs.AddComponent(id, new Drawable(symbol, color));
return(id);
}
void InitConsole(SimpleConsoleData data, Mesh mesh)
{
IConsoleBackend backend = null;
int w = data.Width;
int h = data.Height;
backend = new SimpleMeshBackend(w, h, mesh);
//switch(data.Backend)
//{
// default:
// backend = new SimpleMeshBackend(w, h, filter.sharedMesh);
// break;
//}
_console = new SimpleConsole(
w,
h,
backend,
Allocator.Persistent);
}
public DefaultConsole(IConsoleBackend console, ICommandOptions options)
{
_console = console;
_global = new Lazy <GlobalCommand>(options.GetOptions <GlobalCommand>);
}