hondacrx
429 lines
15 KiB
C#
429 lines
15 KiB
C#
/*
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* Copyright (C) 2012-2020 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.Dynamic;
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using System;
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using System.Collections.Generic;
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using System.Numerics;
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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 enum LoadResult
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{
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Success,
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FileNotFound,
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VersionMismatch,
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ReadFromFileFailed
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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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LoadResult parentLoadResult = LoadSingleMap(mapId, x, y);
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if (parentLoadResult == LoadResult.Success || parentLoadResult == LoadResult.FileNotFound)
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{
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if (parentLoadResult == LoadResult.Success)
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result = VMAPLoadResult.OK;
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// else VMAP_LOAD_RESULT_IGNORED
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var childMaps = iChildMapData.LookupByKey(mapId);
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foreach (uint childMapId in childMaps)
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{
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LoadResult childLoadResult = LoadSingleMap(childMapId, x, y);
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if (childLoadResult != LoadResult.Success && childLoadResult != LoadResult.FileNotFound)
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result = VMAPLoadResult.Error;
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}
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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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LoadResult 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(mapId);
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LoadResult treeInitResult = newTree.InitMap(filename);
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if (treeInitResult != LoadResult.Success)
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return treeInitResult;
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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, ModelIgnoreFlags ignoreFlags)
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{
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if (!IsLineOfSightCalcEnabled() || Global.DisableMgr.IsVMAPDisabledFor(mapId, (byte)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, ignoreFlags);
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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.IsVMAPDisabledFor(mapId, (byte)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.IsVMAPDisabledFor(mapId, (byte)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.IsVMAPDisabledFor(mapId, (byte)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, ref uint mogpFlags)
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{
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if (!Global.DisableMgr.IsVMAPDisabledFor(mapId, (byte)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();
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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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mogpFlags = info.hitModel.GetMogpFlags();
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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 AreaAndLiquidData GetAreaAndLiquidData(uint mapId, float x, float y, float z, uint reqLiquidType)
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{
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var data = new AreaAndLiquidData();
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if (Global.DisableMgr.IsVMAPDisabledFor(mapId, (byte)DisableFlags.VmapLiquidStatus))
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{
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data.floorZ = z;
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int adtId, rootId, groupId;
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uint flags;
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if (GetAreaInfo(mapId, x, y, ref data.floorZ, out flags, out adtId, out rootId, out groupId))
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data.areaInfo = new(adtId, rootId, groupId, flags);
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return data;
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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();
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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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data.floorZ = info.ground_Z;
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uint liquidType = info.hitModel.GetLiquidType();
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float liquidLevel = 0;
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if (reqLiquidType == 0 || Convert.ToBoolean(Global.DB2Mgr.GetLiquidFlags(liquidType) & reqLiquidType))
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if (info.hitInstance.GetLiquidLevel(pos, info, ref liquidLevel))
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data.liquidInfo = new(liquidType, liquidLevel);
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if (!Global.DisableMgr.IsVMAPDisabledFor(mapId, (byte)DisableFlags.VmapLiquidStatus))
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data.areaInfo = new(info.hitInstance.adtId, info.rootId, (int)info.hitModel.GetWmoID(), info.hitModel.GetMogpFlags());
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}
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}
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return data;
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}
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public WorldModel AcquireModelInstance(string filename, uint flags = 0)
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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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model = new ManagedModel();
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if (!model.GetModel().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.GetModel().Flags = flags;
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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 LoadResult 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();
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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();
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Dictionary<uint, StaticMapTree> iInstanceMapTrees = new();
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MultiMap<uint, uint> iChildMapData = new();
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Dictionary<uint, uint> iParentMapData = new();
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bool _enableLineOfSightCalc;
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bool _enableHeightCalc;
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object LoadedModelFilesLock = new();
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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 = new();
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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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public class AreaAndLiquidData
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{
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public struct AreaInfo
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{
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public int AdtId;
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public int RootId;
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public int GroupId;
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public uint MogpFlags;
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public AreaInfo(int adtId, int rootId, int groupId, uint flags)
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{
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AdtId = adtId;
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RootId = rootId;
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GroupId = groupId;
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MogpFlags = flags;
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}
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}
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public struct LiquidInfo
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{
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public uint LiquidType;
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public float Level;
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public LiquidInfo(uint type, float level)
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{
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LiquidType = type;
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Level = level;
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}
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}
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public float floorZ = MapConst.VMAPInvalidHeightValue;
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public AreaInfo? areaInfo;
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public LiquidInfo? liquidInfo;
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}
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}
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