hondacrx
343 lines
12 KiB
C#
343 lines
12 KiB
C#
/*
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* Copyright (C) 2012-2018 CypherCore <http://github.com/CypherCore>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using Framework.Constants;
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using Framework.GameMath;
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using System;
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using System.Collections.Generic;
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namespace Game.Collision
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{
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public enum VMAPLoadResult
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{
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Error,
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OK,
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Ignored
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}
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public class VMapManager : Singleton<VMapManager>
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{
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VMapManager() { }
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public static string VMapPath = Global.WorldMgr.GetDataPath() + "/vmaps/";
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public void Initialize(MultiMap<uint, uint> mapData)
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{
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iChildMapData = mapData;
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foreach (var pair in mapData)
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iParentMapData[pair.Value] = pair.Key;
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}
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public VMAPLoadResult loadMap(uint mapId, uint x, uint y)
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{
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var result = VMAPLoadResult.Ignored;
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if (isMapLoadingEnabled())
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{
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if (loadSingleMap(mapId, x, y))
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{
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result = VMAPLoadResult.OK;
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var childMaps = iChildMapData.LookupByKey(mapId);
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foreach (uint childMapId in childMaps)
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if (!loadSingleMap(childMapId, x, y))
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result = VMAPLoadResult.Error;
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}
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else
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result = VMAPLoadResult.Error;
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}
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return result;
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}
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bool loadSingleMap(uint mapId, uint tileX, uint tileY)
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{
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var instanceTree = iInstanceMapTrees.LookupByKey(mapId);
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if (instanceTree == null)
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{
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string filename = VMapPath + getMapFileName(mapId);
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StaticMapTree newTree = new StaticMapTree(mapId);
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if (!newTree.InitMap(filename))
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return false;
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iInstanceMapTrees.Add(mapId, newTree);
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instanceTree = newTree;
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}
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return instanceTree.LoadMapTile(tileX, tileY, this);
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}
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public void unloadMap(uint mapId, uint x, uint y)
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{
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var childMaps = iChildMapData.LookupByKey(mapId);
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foreach (uint childMapId in childMaps)
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unloadSingleMap(childMapId, x, y);
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unloadSingleMap(mapId, x, y);
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}
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void unloadSingleMap(uint mapId, uint x, uint y)
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{
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var instanceTree = iInstanceMapTrees.LookupByKey(mapId);
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if (instanceTree != null)
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{
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instanceTree.UnloadMapTile(x, y, this);
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if (instanceTree.numLoadedTiles() == 0)
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{
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iInstanceMapTrees.Remove(mapId);
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}
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}
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}
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public void unloadMap(uint mapId)
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{
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var childMaps = iChildMapData.LookupByKey(mapId);
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foreach (uint childMapId in childMaps)
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unloadSingleMap(childMapId);
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unloadSingleMap(mapId);
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}
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void unloadSingleMap(uint mapId)
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{
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var instanceTree = iInstanceMapTrees.LookupByKey(mapId);
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if (instanceTree != null)
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{
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instanceTree.UnloadMap(this);
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if (instanceTree.numLoadedTiles() == 0)
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{
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iInstanceMapTrees.Remove(mapId);
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}
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}
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}
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public bool isInLineOfSight(uint mapId, float x1, float y1, float z1, float x2, float y2, float z2)
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{
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if (!isLineOfSightCalcEnabled() || Global.DisableMgr.IsDisabledFor(DisableType.VMAP, mapId, null, DisableFlags.VmapLOS))
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return true;
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var instanceTree = iInstanceMapTrees.LookupByKey(mapId);
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if (instanceTree != null)
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{
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Vector3 pos1 = convertPositionToInternalRep(x1, y1, z1);
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Vector3 pos2 = convertPositionToInternalRep(x2, y2, z2);
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if (pos1 != pos2)
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return instanceTree.isInLineOfSight(pos1, pos2);
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}
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return true;
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}
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public bool getObjectHitPos(uint mapId, float x1, float y1, float z1, float x2, float y2, float z2, out float rx, out float ry, out float rz, float modifyDist)
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{
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if (isLineOfSightCalcEnabled() && !Global.DisableMgr.IsDisabledFor(DisableType.VMAP, mapId, null, DisableFlags.VmapLOS))
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{
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var instanceTree = iInstanceMapTrees.LookupByKey(mapId);
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if (instanceTree != null)
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{
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Vector3 resultPos;
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Vector3 pos1 = convertPositionToInternalRep(x1, y1, z1);
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Vector3 pos2 = convertPositionToInternalRep(x2, y2, z2);
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bool result = instanceTree.getObjectHitPos(pos1, pos2, out resultPos, modifyDist);
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resultPos = convertPositionToInternalRep(resultPos.X, resultPos.Y, resultPos.Z);
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rx = resultPos.X;
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ry = resultPos.Y;
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rz = resultPos.Z;
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return result;
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}
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}
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rx = x2;
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ry = y2;
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rz = z2;
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return false;
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}
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public float getHeight(uint mapId, float x, float y, float z, float maxSearchDist)
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{
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if (isHeightCalcEnabled() && !Global.DisableMgr.IsDisabledFor(DisableType.VMAP, mapId, null, DisableFlags.VmapHeight))
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{
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var instanceTree = iInstanceMapTrees.LookupByKey(mapId);
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if (instanceTree != null)
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{
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Vector3 pos = convertPositionToInternalRep(x, y, z);
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float height = instanceTree.getHeight(pos, maxSearchDist);
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if (float.IsInfinity(height))
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height = MapConst.VMAPInvalidHeightValue; // No height
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return height;
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}
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}
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return MapConst.VMAPInvalidHeightValue;
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}
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public bool getAreaInfo(uint mapId, float x, float y, ref float z, out uint flags, out int adtId, out int rootId, out int groupId)
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{
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flags = 0;
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adtId = 0;
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rootId = 0;
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groupId = 0;
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if (!Global.DisableMgr.IsDisabledFor(DisableType.VMAP, mapId, null, DisableFlags.VmapAreaFlag))
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{
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var instanceTree = iInstanceMapTrees.LookupByKey(mapId);
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if (instanceTree != null)
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{
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Vector3 pos = convertPositionToInternalRep(x, y, z);
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bool result = instanceTree.getAreaInfo(ref pos, out flags, out adtId, out rootId, out groupId);
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// z is not touched by convertPositionToInternalRep(), so just copy
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z = pos.Z;
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return result;
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}
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}
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return false;
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}
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public bool GetLiquidLevel(uint mapId, float x, float y, float z, uint reqLiquidType, ref float level, ref float floor, ref uint type)
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{
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if (!Global.DisableMgr.IsDisabledFor(DisableType.VMAP, mapId, null, DisableFlags.VmapLiquidStatus))
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{
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var instanceTree = iInstanceMapTrees.LookupByKey(mapId);
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if (instanceTree != null)
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{
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LocationInfo info = new LocationInfo();
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Vector3 pos = convertPositionToInternalRep(x, y, z);
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if (instanceTree.GetLocationInfo(pos, info))
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{
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floor = info.ground_Z;
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Cypher.Assert(floor < float.MaxValue);
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type = info.hitModel.GetLiquidType(); // entry from LiquidType.dbc
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if (reqLiquidType != 0 && !Convert.ToBoolean(Global.DB2Mgr.GetLiquidFlags(type) & reqLiquidType))
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return false;
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if (info.hitInstance.GetLiquidLevel(pos, info, ref level))
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return true;
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}
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}
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}
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return false;
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}
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public WorldModel acquireModelInstance(string filename)
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{
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lock (LoadedModelFilesLock)
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{
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filename = filename.TrimEnd('\0');
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var model = iLoadedModelFiles.LookupByKey(filename);
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if (model == null)
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{
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WorldModel worldmodel = new WorldModel();
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if (!worldmodel.readFile(VMapPath + filename))
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{
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Log.outError(LogFilter.Server, "VMapManager: could not load '{0}'", filename);
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return null;
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}
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Log.outDebug(LogFilter.Maps, "VMapManager: loading file '{0}'", filename);
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model = new ManagedModel();
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model.setModel(worldmodel);
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iLoadedModelFiles.Add(filename, model);
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}
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model.incRefCount();
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return model.getModel();
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}
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}
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public void releaseModelInstance(string filename)
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{
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lock (LoadedModelFilesLock)
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{
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filename = filename.TrimEnd('\0');
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var model = iLoadedModelFiles.LookupByKey(filename);
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if (model == null)
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{
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Log.outError(LogFilter.Server, "VMapManager: trying to unload non-loaded file '{0}'", filename);
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return;
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}
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if (model.decRefCount() == 0)
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{
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Log.outDebug(LogFilter.Maps, "VMapManager: unloading file '{0}'", filename);
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iLoadedModelFiles.Remove(filename);
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}
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}
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}
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public bool existsMap(uint mapId, uint x, uint y)
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{
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return StaticMapTree.CanLoadMap(VMapPath, mapId, x, y, this);
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}
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public int getParentMapId(uint mapId)
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{
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if (iParentMapData.ContainsKey(mapId))
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return (int)iParentMapData[mapId];
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return -1;
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}
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Vector3 convertPositionToInternalRep(float x, float y, float z)
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{
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Vector3 pos = new Vector3();
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float mid = 0.5f * 64.0f * 533.33333333f;
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pos.X = mid - x;
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pos.Y = mid - y;
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pos.Z = z;
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return pos;
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}
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public static string getMapFileName(uint mapId)
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{
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return $"{mapId:D4}.vmtree";
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}
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public void setEnableLineOfSightCalc(bool pVal) { _enableLineOfSightCalc = pVal; }
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public void setEnableHeightCalc(bool pVal) { _enableHeightCalc = pVal; }
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public bool isLineOfSightCalcEnabled() { return _enableLineOfSightCalc; }
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public bool isHeightCalcEnabled() { return _enableHeightCalc; }
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public bool isMapLoadingEnabled() { return _enableLineOfSightCalc || _enableHeightCalc; }
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Dictionary<string, ManagedModel> iLoadedModelFiles = new Dictionary<string, ManagedModel>();
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Dictionary<uint, StaticMapTree> iInstanceMapTrees = new Dictionary<uint, StaticMapTree>();
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MultiMap<uint, uint> iChildMapData = new MultiMap<uint, uint>();
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Dictionary<uint, uint> iParentMapData = new Dictionary<uint, uint>();
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bool _enableLineOfSightCalc;
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bool _enableHeightCalc;
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object LoadedModelFilesLock = new object();
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}
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public class ManagedModel
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{
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public ManagedModel()
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{
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iModel = null;
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iRefCount = 0;
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}
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public void setModel(WorldModel model) { iModel = model; }
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public WorldModel getModel() { return iModel; }
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public void incRefCount() { ++iRefCount; }
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public int decRefCount() { return --iRefCount; }
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WorldModel iModel;
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int iRefCount;
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}
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}
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