ModernUO/Scripts/Engines/Pathing/MovementPath.cs

150 lines
No EOL
4 KiB
C#

using System;
using Server.Commands;
using Server.Items;
using Server.PathAlgorithms;
using Server.PathAlgorithms.FastAStar;
using Server.PathAlgorithms.SlowAStar;
using Server.Spells;
using Server.Targeting;
namespace Server
{
public sealed class MovementPath
{
public MovementPath(Mobile m, Point3D goal)
{
Point3D start = m.Location;
Map map = m.Map;
Map = map;
Start = start;
Goal = goal;
if (map == null || map == Map.Internal)
return;
if (Utility.InRange(start, goal, 1))
return;
try
{
PathAlgorithm alg = OverrideAlgorithm;
if (alg == null) alg = FastAStarAlgorithm.Instance;
if (alg != null && alg.CheckCondition(m, map, start, goal))
Directions = alg.Find(m, map, start, goal);
}
catch (Exception e)
{
Console.WriteLine("Warning: {0}: Pathing error from {1} to {2}", e.GetType().Name, start, goal);
}
}
public Map Map{ get; }
public Point3D Start{ get; }
public Point3D Goal{ get; }
public Direction[] Directions{ get; }
public bool Success => Directions != null && Directions.Length > 0;
public static PathAlgorithm OverrideAlgorithm{ get; set; }
public static void Initialize()
{
CommandSystem.Register("Path", AccessLevel.GameMaster, Path_OnCommand);
}
public static void Path_OnCommand(CommandEventArgs e)
{
e.Mobile.BeginTarget(-1, true, TargetFlags.None, Path_OnTarget);
e.Mobile.SendMessage("Target a location and a path will be drawn there.");
}
private static void Path(Mobile from, IPoint3D p, PathAlgorithm alg, string name, int zOffset)
{
OverrideAlgorithm = alg;
long start = DateTime.UtcNow.Ticks;
MovementPath path = new MovementPath(from, new Point3D(p));
long end = DateTime.UtcNow.Ticks;
double len = Math.Round((end - start) / 10000.0, 2);
if (!path.Success)
{
from.SendMessage("{0} path failed: {1}ms", name, len);
}
else
{
from.SendMessage("{0} path success: {1}ms", name, len);
int x = from.X;
int y = from.Y;
int z = from.Z;
for (int i = 0; i < path.Directions.Length; ++i)
{
Movement.Movement.Offset(path.Directions[i], ref x, ref y);
new RecallRune().MoveToWorld(new Point3D(x, y, z + zOffset), from.Map);
}
}
}
public static void Path_OnTarget(Mobile from, object obj)
{
if (!(obj is IPoint3D p))
return;
SpellHelper.GetSurfaceTop(ref p);
Path(from, p, FastAStarAlgorithm.Instance, "Fast", 0);
Path(from, p, SlowAStarAlgorithm.Instance, "Slow", 2);
OverrideAlgorithm = null;
/*MovementPath path = new MovementPath( from, new Point3D( p ) );
if ( !path.Success )
{
from.SendMessage( "No path to there could be found." );
}
else
{
//for ( int i = 0; i < path.Directions.Length; ++i )
// Timer.DelayCall( TimeSpan.FromSeconds( 0.1 + (i * 0.3) ), new TimerStateCallback( Pathfind ), new object[]{ from, path.Directions[i] } );
int x = from.X;
int y = from.Y;
int z = from.Z;
for ( int i = 0; i < path.Directions.Length; ++i )
{
Movement.Movement.Offset( path.Directions[i], ref x, ref y );
new Items.RecallRune().MoveToWorld( new Point3D( x, y, z ), from.Map );
}
}*/
}
public static void Pathfind(object state)
{
object[] states = (object[])state;
Mobile from = (Mobile)states[0];
Direction d = (Direction)states[1];
try
{
from.Direction = d;
from.NetState.BlockAllPackets = true;
from.Move(d);
from.NetState.BlockAllPackets = false;
from.ProcessDelta();
}
catch
{
}
}
}
}