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Updated Map Server namespace. Moved all other data folders (www and sql) to data folder. Renamed boot name to Project Meteor.

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Filip Maj 2019-06-19 01:10:15 -04:00
parent 18ef69f3d1
commit 91549bff7a
1823 changed files with 102704 additions and 901 deletions
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Map Server/Utils/NavmeshUtils.cs Normal file
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/*
===========================================================================
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 SharpNav;
using SharpNav.Pathfinding;
using Meteor.Common;
namespace Meteor.Map.utils
{
class NavmeshUtils
{
// navmesh
public static bool CanSee(actors.area.Zone zone, float x1, float y1, float z1, float x2, float y2, float z2)
{
// todo: prolly shouldnt raycast
var navMesh = zone.tiledNavMesh;
if (navMesh != null)
{
var navMeshQuery = zone.navMeshQuery;
NavPoint startPt, endPt;
SharpNav.Pathfinding.Path path = new SharpNav.Pathfinding.Path();
RaycastHit hit = new RaycastHit();
SharpNav.Geometry.Vector3 c = new SharpNav.Geometry.Vector3(x1, y1, z1);
SharpNav.Geometry.Vector3 ep = new SharpNav.Geometry.Vector3(x2, y2, z2);
SharpNav.Geometry.Vector3 e = new SharpNav.Geometry.Vector3(5, 5, 5);
navMeshQuery.FindNearestPoly(ref c, ref e, out startPt);
navMeshQuery.FindNearestPoly(ref ep, ref e, out endPt);
if (navMeshQuery.Raycast(ref startPt, ref ep, RaycastOptions.None, out hit, path))
{
return true;
}
return false;
}
return true;
}
public static SharpNav.TiledNavMesh LoadNavmesh(TiledNavMesh navmesh, string filePath)
{
SharpNav.IO.NavMeshSerializer serializer;
if (System.IO.Path.GetExtension(filePath) == ".snb")
serializer = new SharpNav.IO.Binary.NavMeshBinarySerializer();
else
serializer = new SharpNav.IO.Json.NavMeshJsonSerializer();
return serializer.Deserialize(System.IO.Path.Combine("../../navmesh/", filePath));
//return navmesh = new SharpNav.IO.Json.NavMeshJsonSerializer().Deserialize(filePath);
}
public static List<Vector3> GetPath(actors.area.Zone zone, float x, float y, float z, float targetX, float targetY, float targetZ, float stepSize = 0.70f, int pathSize = 45, float polyRadius = 0.0f, bool skipToTarget = false)
{
return GetPath(zone, new Vector3(x, y, z), new Vector3(targetX, targetY, targetZ), stepSize, pathSize, polyRadius, skipToTarget);
}
#region sharpnav stuff
// Copyright (c) 2013-2016 Robert Rouhani <robert.rouhani@gmail.com> and other contributors (see CONTRIBUTORS file).
// Licensed under the MIT License - https://raw.github.com/Robmaister/SharpNav/master/LICENSE
public static List<Vector3> GetPath(actors.area.Zone zone, Vector3 startVec, Vector3 endVec, float stepSize = 0.70f, int pathSize = 45, float polyRadius = 0.0f, bool skipToTarget = false)
{
var navMesh = zone.tiledNavMesh;
var navMeshQuery = zone.navMeshQuery;
// no navmesh loaded, run straight to player
if (navMesh == null)
{
return new List<Vector3>() { endVec };
}
// no need to waste cycles finding path to same point
if (startVec.X == endVec.X && startVec.Y == endVec.Y && startVec.Z == endVec.Z && polyRadius == 0.0f)
{
return null;
}
var smoothPath = new List<Vector3>(pathSize) { };
NavQueryFilter filter = new NavQueryFilter();
NavPoint startPt, endPt;
try
{
SharpNav.Geometry.Vector3 c = new SharpNav.Geometry.Vector3(startVec.X, startVec.Y, startVec.Z);
SharpNav.Geometry.Vector3 ep = new SharpNav.Geometry.Vector3(endVec.X, endVec.Y, endVec.Z);
SharpNav.Geometry.Vector3 e = new SharpNav.Geometry.Vector3(5, 5, 5);
navMeshQuery.FindNearestPoly(ref c, ref e, out startPt);
navMeshQuery.FindNearestPoly(ref ep, ref e, out endPt);
//calculate the overall path, which contains an array of polygon references
int MAX_POLYS = 256;
var path = new SharpNav.Pathfinding.Path();
navMeshQuery.FindPath(ref startPt, ref endPt, filter, path);
//find a smooth path over the mesh surface
int npolys = path.Count;
SharpNav.Geometry.Vector3 iterPos = new SharpNav.Geometry.Vector3();
SharpNav.Geometry.Vector3 targetPos = new SharpNav.Geometry.Vector3();
navMeshQuery.ClosestPointOnPoly(startPt.Polygon, startPt.Position, ref iterPos);
navMeshQuery.ClosestPointOnPoly(path[npolys - 1], endPt.Position, ref targetPos);
// set target to random point at end of path
if (polyRadius != 0.0f)
{
var randPoly = navMeshQuery.FindRandomPointAroundCircle(endPt, polyRadius);
targetPos = randPoly.Position;
}
if (skipToTarget)
{
return new List<Vector3>() { new Vector3(targetPos.X, targetPos.Y, targetPos.Z) };
}
smoothPath.Add(new Vector3(iterPos.X, iterPos.Y, iterPos.Z));
//float STEP_SIZE = 0.70f;
float SLOP = 0.15f;
while (npolys > 0 && smoothPath.Count < smoothPath.Capacity)
{
//find location to steer towards
SharpNav.Geometry.Vector3 steerPos = new SharpNav.Geometry.Vector3();
StraightPathFlags steerPosFlag = 0;
NavPolyId steerPosRef = NavPolyId.Null;
if (!GetSteerTarget(navMeshQuery, iterPos, targetPos, SLOP, path, ref steerPos, ref steerPosFlag, ref steerPosRef))
break;
bool endOfPath = (steerPosFlag & StraightPathFlags.End) != 0 ? true : false;
bool offMeshConnection = (steerPosFlag & StraightPathFlags.OffMeshConnection) != 0 ? true : false;
//find movement delta
SharpNav.Geometry.Vector3 delta = steerPos - iterPos;
float len = (float)Math.Sqrt(SharpNav.Geometry.Vector3.Dot(delta, delta));
//if steer target is at end of path or off-mesh link
//don't move past location
if ((endOfPath || offMeshConnection) && len < stepSize)
len = 1;
else
len = stepSize / len;
SharpNav.Geometry.Vector3 moveTgt = new SharpNav.Geometry.Vector3();
VMad(ref moveTgt, iterPos, delta, len);
//move
SharpNav.Geometry.Vector3 result = new SharpNav.Geometry.Vector3();
List<NavPolyId> visited = new List<NavPolyId>(pathSize);
NavPoint startPoint = new NavPoint(path[0], iterPos);
navMeshQuery.MoveAlongSurface(ref startPoint, ref moveTgt, out result, visited);
path.FixupCorridor(visited);
npolys = path.Count;
float h = 0;
navMeshQuery.GetPolyHeight(path[0], result, ref h);
result.Y = h;
iterPos = result;
//handle end of path when close enough
if (endOfPath && InRange(iterPos, steerPos, SLOP, 1000.0f))
{
//reached end of path
iterPos = targetPos;
if (smoothPath.Count < smoothPath.Capacity)
{
smoothPath.Add(new Vector3(iterPos.X, iterPos.Y, iterPos.Z));
}
break;
}
//store results
if (smoothPath.Count < smoothPath.Capacity)
{
smoothPath.Add(new Vector3(iterPos.X, iterPos.Y, iterPos.Z));
}
}
}
catch(Exception e)
{
Program.Log.Error(e.Message);
Program.Log.Error("Start pos {0} {1} {2} end pos {3} {4} {5}", startVec.X, startVec.Y, startVec.Z, endVec.X, endVec.Y, endVec.Z);
// todo: probably log this
return new List<Vector3>() { endVec };
}
return smoothPath;
}
/// <summary>
/// Scaled vector addition
/// </summary>
/// <param name="dest">Result</param>
/// <param name="v1">Vector 1</param>
/// <param name="v2">Vector 2</param>
/// <param name="s">Scalar</param>
private static void VMad(ref SharpNav.Geometry.Vector3 dest, SharpNav.Geometry.Vector3 v1, SharpNav.Geometry.Vector3 v2, float s)
{
dest.X = v1.X + v2.X * s;
dest.Y = v1.Y + v2.Y * s;
dest.Z = v1.Z + v2.Z * s;
}
private static bool GetSteerTarget(NavMeshQuery navMeshQuery, SharpNav.Geometry.Vector3 startPos, SharpNav.Geometry.Vector3 endPos, float minTargetDist, SharpNav.Pathfinding.Path path,
ref SharpNav.Geometry.Vector3 steerPos, ref StraightPathFlags steerPosFlag, ref NavPolyId steerPosRef)
{
StraightPath steerPath = new StraightPath();
navMeshQuery.FindStraightPath(startPos, endPos, path, steerPath, 0);
int nsteerPath = steerPath.Count;
if (nsteerPath == 0)
return false;
//find vertex far enough to steer to
int ns = 0;
while (ns < nsteerPath)
{
if ((steerPath[ns].Flags & StraightPathFlags.OffMeshConnection) != 0 ||
!InRange(steerPath[ns].Point.Position, startPos, minTargetDist, 1000.0f))
break;
ns++;
}
//failed to find good point to steer to
if (ns >= nsteerPath)
return false;
steerPos = steerPath[ns].Point.Position;
steerPos.Y = startPos.Y;
steerPosFlag = steerPath[ns].Flags;
if (steerPosFlag == StraightPathFlags.None && ns == (nsteerPath - 1))
steerPosFlag = StraightPathFlags.End; // otherwise seeks path infinitely!!!
steerPosRef = steerPath[ns].Point.Polygon;
return true;
}
private static bool InRange(SharpNav.Geometry.Vector3 v1, SharpNav.Geometry.Vector3 v2, float r, float h)
{
float dx = v2.X - v1.X;
float dy = v2.Y - v1.Y;
float dz = v2.Z - v1.Z;
return (dx * dx + dz * dz) < (r * r) && Math.Abs(dy) < h;
}
#endregion
public static Vector3 GamePosToNavmeshPos(float x, float y, float z)
{
return new Vector3(x, -z, y);
}
public static Vector3 NavmeshPosToGamePos(float x, float y, float z)
{
return new Vector3(x, z, -y);
}
}
}