mirror of
https://bitbucket.org/Ioncannon/project-meteor-server.git
synced 2025-05-20 08:26:59 -04:00
Updated Map Server namespace. Moved all other data folders (www and sql) to data folder. Renamed boot name to Project Meteor.
This commit is contained in:
Filip Maj
227
Map Server/Actors/Chara/Ai/Helpers/PathFind.cs
Normal file
227
Map Server/Actors/Chara/Ai/Helpers/PathFind.cs
Normal file
@@ -0,0 +1,227 @@
|
||||
/*
|
||||
===========================================================================
|
||||
Copyright (C) 2015-2019 Project Meteor Dev Team
|
||||
|
||||
This file is part of Project Meteor Server.
|
||||
|
||||
Project Meteor Server is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU Affero General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
Project Meteor Server is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU Affero General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Affero General Public License
|
||||
along with Project Meteor Server. If not, see <https:www.gnu.org/licenses/>.
|
||||
===========================================================================
|
||||
*/
|
||||
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using Meteor.Map.Actors;
|
||||
using Meteor.Map.utils;
|
||||
using Meteor.Common;
|
||||
using Meteor.Map.actors.area;
|
||||
|
||||
// port of https://github.com/DarkstarProject/darkstar/blob/master/src/map/ai/helpers/pathfind.h
|
||||
|
||||
namespace Meteor.Map.actors.chara.ai
|
||||
{
|
||||
// todo: check for obstacles, los, etc
|
||||
public enum PathFindFlags
|
||||
{
|
||||
None,
|
||||
Scripted = 0x01,
|
||||
IgnoreNav = 0x02,
|
||||
}
|
||||
class PathFind
|
||||
{
|
||||
private Character owner;
|
||||
private List<Vector3> path;
|
||||
private bool canFollowPath;
|
||||
float distanceFromPoint;
|
||||
|
||||
private PathFindFlags pathFlags;
|
||||
|
||||
public PathFind(Character owner)
|
||||
{
|
||||
this.owner = owner;
|
||||
}
|
||||
|
||||
public void PreparePath(Vector3 dest, float stepSize = 1.25f, int maxPath = 40, float polyRadius = 0.0f)
|
||||
{
|
||||
PreparePath(dest.X, dest.Y, dest.Z, stepSize, maxPath, polyRadius);
|
||||
}
|
||||
|
||||
public void PreparePath(float x, float y, float z, float stepSize = 1.25f, int maxPath = 40, float polyRadius = 0.0f)
|
||||
{
|
||||
var pos = new Vector3(owner.positionX, owner.positionY, owner.positionZ);
|
||||
var dest = new Vector3(x, y, z);
|
||||
|
||||
Zone zone;
|
||||
if (owner.GetZone() is PrivateArea || owner.GetZone() is PrivateAreaContent)
|
||||
zone = (Zone)((PrivateArea)owner.GetZone()).GetParentZone();
|
||||
else
|
||||
zone = (Zone)owner.GetZone();
|
||||
|
||||
var sw = new System.Diagnostics.Stopwatch();
|
||||
sw.Start();
|
||||
|
||||
if ((pathFlags & PathFindFlags.IgnoreNav) != 0)
|
||||
path = new List<Vector3>(1) { new Vector3(x, y, z) };
|
||||
else
|
||||
path = NavmeshUtils.GetPath(zone, pos, dest, stepSize, maxPath, polyRadius);
|
||||
|
||||
if (path != null)
|
||||
{
|
||||
if (owner.oldPositionX == 0.0f && owner.oldPositionY == 0.0f && owner.oldPositionZ == 0.0f)
|
||||
{
|
||||
owner.oldPositionX = owner.positionX;
|
||||
owner.oldPositionY = owner.positionY;
|
||||
owner.oldPositionZ = owner.positionZ;
|
||||
}
|
||||
|
||||
// todo: something went wrong
|
||||
if (path.Count == 0)
|
||||
{
|
||||
owner.positionX = owner.oldPositionX;
|
||||
owner.positionY = owner.oldPositionY;
|
||||
owner.positionZ = owner.oldPositionZ;
|
||||
}
|
||||
|
||||
sw.Stop();
|
||||
zone.pathCalls++;
|
||||
zone.pathCallTime += sw.ElapsedMilliseconds;
|
||||
|
||||
//if (path.Count == 1)
|
||||
// Program.Log.Info($"mypos: {owner.positionX} {owner.positionY} {owner.positionZ} | targetPos: {x} {y} {z} | step {stepSize} | maxPath {maxPath} | polyRadius {polyRadius}");
|
||||
|
||||
//Program.Log.Error("[{0}][{1}] Created {2} points in {3} milliseconds", owner.actorId, owner.actorName, path.Count, sw.ElapsedMilliseconds);
|
||||
}
|
||||
}
|
||||
|
||||
public void PathInRange(Vector3 dest, float minRange, float maxRange)
|
||||
{
|
||||
PathInRange(dest.X, dest.Y, dest.Z, minRange, maxRange);
|
||||
}
|
||||
|
||||
public void PathInRange(float x, float y, float z, float minRange, float maxRange = 5.0f)
|
||||
{
|
||||
var dest = owner.FindRandomPoint(x, y, z, minRange, maxRange);
|
||||
// todo: this is dumb..
|
||||
distanceFromPoint = owner.GetAttackRange();
|
||||
PreparePath(dest.X, dest.Y, dest.Z);
|
||||
}
|
||||
|
||||
|
||||
public void SetPathFlags(PathFindFlags flags)
|
||||
{
|
||||
this.pathFlags = flags;
|
||||
}
|
||||
|
||||
public bool IsFollowingPath()
|
||||
{
|
||||
return path?.Count > 0;
|
||||
}
|
||||
|
||||
public bool IsFollowingScriptedPath()
|
||||
{
|
||||
return (pathFlags & PathFindFlags.Scripted) != 0;
|
||||
}
|
||||
|
||||
public void FollowPath()
|
||||
{
|
||||
if (path?.Count > 0)
|
||||
{
|
||||
var point = path[0];
|
||||
|
||||
StepTo(point);
|
||||
|
||||
if (AtPoint(point))
|
||||
{
|
||||
path.Remove(point);
|
||||
owner.OnPath(point);
|
||||
//Program.Log.Error($"{owner.actorName} arrived at point {point.X} {point.Y} {point.Z}");
|
||||
}
|
||||
|
||||
if (path.Count == 0 && owner.target != null)
|
||||
owner.LookAt(owner.target);
|
||||
}
|
||||
}
|
||||
|
||||
public bool AtPoint(Vector3 point = null)
|
||||
{
|
||||
if (point == null && path != null && path.Count > 0)
|
||||
{
|
||||
point = path[path.Count - 1];
|
||||
}
|
||||
else
|
||||
{
|
||||
distanceFromPoint = 0;
|
||||
return true;
|
||||
}
|
||||
|
||||
if (distanceFromPoint == 0)
|
||||
return owner.positionX == point.X && owner.positionZ == point.Z;
|
||||
else
|
||||
return Utils.Distance(owner.positionX, owner.positionY, owner.positionZ, point.X, point.Y, point.Z) <= (distanceFromPoint + 4.5f);
|
||||
}
|
||||
|
||||
public void StepTo(Vector3 point, bool run = false)
|
||||
{
|
||||
float speed = GetSpeed();
|
||||
|
||||
float stepDistance = speed / 3;
|
||||
float distanceTo = Utils.Distance(owner.positionX, owner.positionY, owner.positionZ, point.X, point.Y, point.Z);
|
||||
|
||||
owner.LookAt(point);
|
||||
|
||||
if (distanceTo <= distanceFromPoint + stepDistance)
|
||||
{
|
||||
if (distanceFromPoint <= owner.GetAttackRange())
|
||||
{
|
||||
owner.QueuePositionUpdate(point);
|
||||
}
|
||||
else
|
||||
{
|
||||
float x = owner.positionX - (float)Math.Cos(owner.rotation + (float)(Math.PI / 2)) * (distanceTo - distanceFromPoint);
|
||||
float z = owner.positionZ + (float)Math.Sin(owner.rotation + (float)(Math.PI / 2)) * (distanceTo - distanceFromPoint);
|
||||
|
||||
owner.QueuePositionUpdate(x, owner.positionY, z);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
float x = owner.positionX - (float)Math.Cos(owner.rotation + (float)(Math.PI / 2)) * (distanceTo - distanceFromPoint);
|
||||
float z = owner.positionZ + (float)Math.Sin(owner.rotation + (float)(Math.PI / 2)) * (distanceTo - distanceFromPoint);
|
||||
|
||||
owner.QueuePositionUpdate(x, owner.positionY, z);
|
||||
}
|
||||
}
|
||||
|
||||
public void Clear()
|
||||
{
|
||||
path?.Clear();
|
||||
pathFlags = PathFindFlags.None;
|
||||
distanceFromPoint = 0.0f;
|
||||
}
|
||||
|
||||
private float GetSpeed()
|
||||
{
|
||||
float baseSpeed = owner.GetSpeed();
|
||||
|
||||
if (!(owner is Player))
|
||||
{
|
||||
if (owner is BattleNpc)
|
||||
{
|
||||
//owner.ChangeSpeed(0.0f, SetActorSpeedPacket.DEFAULT_WALK - 2.0f, SetActorSpeedPacket.DEFAULT_RUN - 2.0f, SetActorSpeedPacket.DEFAULT_ACTIVE - 2.0f);
|
||||
}
|
||||
// baseSpeed += ConfigConstants.NPC_SPEED_MOD;
|
||||
}
|
||||
return baseSpeed;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user