private async Task ActionLook()
{
// 通知周围creature entity看着玩家
EntityWorldPos entityPos = AttachedObject.GetValue(EntityWorldPositionComponent.EntityWorldPositionProperty);
ChunkWorldPos chunkPos = entityPos.ToChunkWorldPos();
IChunkTrackingHub tracker = GrainFactory.GetGrain <IChunkTrackingHub>(AttachedObject.GetAddressByPartitionKey());
var list = await tracker.GetTrackedPlayers();
// TODO 多位玩家的话只看一位
foreach (IPlayer each in list)
{
EntityWorldPos playerPosition = await each.GetPosition();
// 三格内玩家
if (EntityWorldPos.Distance(playerPosition, entityPos) < 3)
{
(var yaw, var pitch) = VectorToYawAndPitch(entityPos, playerPosition);
await AttachedObject.SetLocalValue(EntityLookComponent.YawProperty, yaw);
await AttachedObject.SetLocalValue(EntityLookComponent.HeadYawProperty, yaw);
await AttachedObject.SetLocalValue(EntityLookComponent.PitchProperty, pitch);
break;
}
}
}
private async Task GenerateEvent()
{
// get state
var state = AiType.State;
var nextEvent = CreatureEvent.Nothing;
// player approaching event
if (state == CreatureState.Stop)
{
IChunkTrackingHub tracker = GrainFactory.GetGrain <IChunkTrackingHub>(AttachedObject.GetAddressByPartitionKey());
var list = await tracker.GetTrackedPlayers();
if (list.Count != 0)
{
nextEvent = CreatureEvent.PlayerApproaching;
}
}
// random walk
if (state == CreatureState.Stop && random.Next(10) == 0)
{
nextEvent = CreatureEvent.RandomWalk;
}
// stop
if (state == CreatureState.Walk && random.Next(30) == 0)
{
nextEvent = CreatureEvent.Stop;
}
else if (state == CreatureState.Look && random.Next(10) == 0)
{
nextEvent = CreatureEvent.Stop;
}
await AiType.FireAsync(nextEvent);
}
