public static async ETVoid MoveTo(this UnitPathComponent self, Vector3 target)
{
if ((self.Target - target).magnitude < 0.1f)
{
return;
}
self.Target = target;
Unit unit = self.GetParent <Unit>();
RecastPathComponent recastPathComponent = self.Domain.GetComponent <RecastPathComponent>();
RecastPath recastPath = EntityFactory.Create <RecastPath>((Entity)self.Domain);
recastPath.StartPos = unit.Position;
recastPath.EndPos = new Vector3(target.x, target.y, target.z);
self.RecastPath = recastPath;
//TODO 因为目前阶段只有一张地图，所以默认mapId为10001
recastPathComponent.SearchPath(10001, self.RecastPath);
//Log.Debug($"------start Pos: {self.RecastPath.StartPos}\n------end Pos: {self.RecastPath.EndPos}\n------find result: {self.RecastPath.Results.ListToString()}");
self.CancellationToken?.Cancel();
self.CancellationToken = new ETCancellationToken();
await self.MoveAsync(self.RecastPath.Results);
self.CancellationToken = null;
}
public void CalculatePath(RecastPath recastPath)
{
if (RecastInterface.FindPath(this.MapId, recastPath.StartPos, recastPath.EndPos))
{
RecastInterface.Smooth(this.MapId, 2f, 0.5f);
{
int smoothCount = 0;
float[] smooths = RecastInterface.GetPathSmooth(this.MapId, out smoothCount);
for (int i = 0; i < smoothCount; ++i)
{
Vector3 node = new Vector3(smooths[i * 3], smooths[i * 3 + 1], smooths[i * 3 + 2]);
recastPath.Results.Add(node);
}
}
}
}
/// <summary>
/// 寻路
/// </summary>
public void SearchPath(int mapId, RecastPath recastPath)
{
GetRecastPathProcessor(mapId).CalculatePath(recastPath);
}
