private void Simulate()
{
long nextTick = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
if (_state == SimulationState.ShuttingDown)
{
_state = SimulationState.Shutdown;
}
//Server Game loop
while (_state == SimulationState.Running)
{
Tick++;
lock (_lock)
{
//Tick all active chunks
foreach ((string _, Chunk chunk) in World.ChunkIndex)
{
//Tick all entities in active chunks
foreach ((string _, SimulationEntity entity) in chunk.Entities.ToList())
{
entity.Tick(this);//entity components are processed here
}
//randomly choose three tiles in the chunk to tick
for (int i = 0; i < 3; i++)
{
int xBlock = _random.Next(World.WorldOptions.ChunkSize);
int yBlock = _random.Next(World.WorldOptions.ChunkSize);
TileComponentManager.TickTile(World, chunk, xBlock, yBlock);
}
}
// Run all of the components to simulate gameplay.
GameMode?.Update(this);
}
//This is the communication aspect
SendUpdates();
//Maintain the tick rate here
nextTick += _tickSpeed;
int sleepTime = (int)(nextTick - DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond);
if (sleepTime >= 0)
{
OnSimulationTick?.Invoke();
Thread.Sleep(sleepTime);
}
else
{
OnSimulationOverLoad?.Invoke($"{sleepTime}TPS");
}
}
}
/// <summary>
/// Constructs a simulation
/// </summary>
/// <param name="gameMode"></param>
/// <param name="worldOptions">Given world options that is given to the world manager</param>
/// <param name="tickSpeed">A optional parameter used for indicating the ticks per second. (20tps is the default)</param>
public Simulation(SimulationGameMode gameMode, WorldOptions worldOptions, int tickSpeed = 20)
{
_lock = new object();
GameMode = gameMode;
_state = SimulationState.Shutdown;
_tickSpeed = 1000 / tickSpeed;
_random = new Random();
Tick = 0;
ConnectedClients = 0;
World = new WorldManager(worldOptions);
SimulationDistance = 3;
//entities
_entitiesIndex = new Dictionary <string, SimulationEntity>();
_playerEntitiesIndex = new Dictionary <string, SimulationEntity>();
TileComponentManager.LoadTileComponents();
}
