hondacrx
713 lines
25 KiB
C#
713 lines
25 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 Game.DataStorage;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Runtime.InteropServices;
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namespace Game.Maps
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{
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public class GridMap
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{
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public GridMap()
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{
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// Height level data
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_gridHeight = MapConst.InvalidHeight;
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_gridGetHeight = getHeightFromFlat;
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// Liquid data
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_liquidLevel = MapConst.InvalidHeight;
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}
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public bool loadData(string filename)
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{
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unloadData();
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if (!File.Exists(filename))
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return true;
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using (BinaryReader reader = new BinaryReader(new FileStream(filename, FileMode.Open, FileAccess.Read)))
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{
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mapFileHeader header = reader.ReadStruct<mapFileHeader>();
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if (new string(header.mapMagic) != MapConst.MapMagic || new string(header.versionMagic) != MapConst.MapVersionMagic)
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{
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Log.outError(LogFilter.Maps, "Map file '{0}' is from an incompatible map version. Please recreate using the mapextractor.", filename);
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return false;
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}
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if (header.areaMapOffset != 0)
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LoadAreaData(reader, header.areaMapOffset);
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if (header.heightMapOffset != 0)
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LoadHeightData(reader, header.heightMapOffset);
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if (header.liquidMapOffset != 0)
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LoadLiquidData(reader, header.liquidMapOffset);
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}
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return true;
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}
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public void unloadData()
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{
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_areaMap = null;
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m_V9 = null;
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m_V8 = null;
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_liquidEntry = null;
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_liquidFlags = null;
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_liquidMap = null;
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_gridGetHeight = getHeightFromFlat;
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}
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void LoadAreaData(BinaryReader reader, uint offset)
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{
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reader.BaseStream.Seek(offset, SeekOrigin.Begin);
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map_AreaHeader areaHeader = reader.ReadStruct<map_AreaHeader>();
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_gridArea = areaHeader.gridArea;
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if (!areaHeader.flags.HasAnyFlag(AreaHeaderFlags.NoArea))
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{
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_areaMap = new ushort[16 * 16];
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for (var i = 0; i < _areaMap.Length; ++i)
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_areaMap[i] = reader.ReadUInt16();
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}
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}
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void LoadHeightData(BinaryReader reader, uint offset)
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{
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reader.BaseStream.Seek(offset, SeekOrigin.Begin);
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map_HeightHeader mapHeader = reader.ReadStruct<map_HeightHeader>();
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_gridHeight = mapHeader.gridHeight;
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_flags = (uint)mapHeader.flags;
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if (!mapHeader.flags.HasAnyFlag(HeightHeaderFlags.NoHeight))
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{
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if (mapHeader.flags.HasAnyFlag(HeightHeaderFlags.HeightAsInt16))
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{
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m_uint16_V9 = new ushort[129 * 129];
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for (var i = 0; i < m_uint16_V9.Length; ++i)
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m_uint16_V9[i] = reader.ReadUInt16();
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m_uint16_V8 = new ushort[128 * 128];
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for (var i = 0; i < m_uint16_V8.Length; ++i)
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m_uint16_V8[i] = reader.ReadUInt16();
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_gridIntHeightMultiplier = (mapHeader.gridMaxHeight - mapHeader.gridHeight) / 65535;
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_gridGetHeight = getHeightFromUint16;
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}
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else if (mapHeader.flags.HasAnyFlag(HeightHeaderFlags.HeightAsInt8))
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{
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m_ubyte_V9 = reader.ReadBytes(129 * 129);
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m_ubyte_V8 = reader.ReadBytes(128 * 128);
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_gridIntHeightMultiplier = (mapHeader.gridMaxHeight - mapHeader.gridHeight) / 255;
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_gridGetHeight = getHeightFromUint8;
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}
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else
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{
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m_V9 = new float[129 * 129];
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for (var i = 0; i < m_V9.Length; ++i)
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m_V9[i] = reader.ReadSingle();
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m_V8 = new float[128 * 128];
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for (var i = 0; i < m_V8.Length; ++i)
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m_V8[i] = reader.ReadSingle();
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_gridGetHeight = getHeightFromFloat;
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}
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}
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else
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_gridGetHeight = getHeightFromFlat;
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if (mapHeader.flags.HasAnyFlag(HeightHeaderFlags.HeightHasFlightBounds))
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{
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_maxHeight = new short[3 * 3];
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for (var i = 0; i < _maxHeight.Length; ++i)
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_maxHeight[i] = reader.ReadInt16();
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_minHeight = new short[3 * 3];
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for (var i = 0; i < _minHeight.Length; ++i)
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_minHeight[i] = reader.ReadInt16();
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}
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}
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void LoadLiquidData(BinaryReader reader, uint offset)
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{
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reader.BaseStream.Seek(offset, SeekOrigin.Begin);
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map_LiquidHeader liquidHeader = reader.ReadStruct<map_LiquidHeader>();
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_liquidType = liquidHeader.liquidType;
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_liquidOffX = liquidHeader.offsetX;
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_liquidOffY = liquidHeader.offsetY;
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_liquidWidth = liquidHeader.width;
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_liquidHeight = liquidHeader.height;
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_liquidLevel = liquidHeader.liquidLevel;
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if (!liquidHeader.flags.HasAnyFlag(LiquidHeaderFlags.LiquidNoType))
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{
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_liquidEntry = new ushort[16 * 16];
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for (var i = 0; i < _liquidEntry.Length; ++i)
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_liquidEntry[i] = reader.ReadUInt16();
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_liquidFlags = reader.ReadBytes(16 * 16);
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}
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if (!liquidHeader.flags.HasAnyFlag(LiquidHeaderFlags.LiquidNoHeight))
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{
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_liquidMap = new float[_liquidWidth * _liquidHeight];
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for (var i = 0; i < _liquidMap.Length; ++i)
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_liquidMap[i] = reader.ReadSingle();
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}
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}
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public ushort getArea(float x, float y)
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{
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if (_areaMap == null)
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return _gridArea;
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x = 16 * (32 - x / MapConst.SizeofGrids);
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y = 16 * (32 - y / MapConst.SizeofGrids);
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int lx = (int)x & 15;
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int ly = (int)y & 15;
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return _areaMap[lx * 16 + ly];
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}
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float getHeightFromFlat(float x, float y)
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{
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return _gridHeight;
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}
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float getHeightFromFloat(float x, float y)
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{
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if (m_uint16_V8 == null || m_uint16_V9 == null)
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return _gridHeight;
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x = MapConst.MapResolution * (32 - x / MapConst.SizeofGrids);
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y = MapConst.MapResolution * (32 - y / MapConst.SizeofGrids);
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int x_int = (int)x;
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int y_int = (int)y;
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x -= x_int;
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y -= y_int;
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x_int &= (MapConst.MapResolution - 1);
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y_int &= (MapConst.MapResolution - 1);
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float a, b, c;
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if (x + y < 1)
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{
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if (x > y)
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{
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// 1 triangle (h1, h2, h5 points)
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float h1 = m_V9[(x_int) * 129 + y_int];
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float h2 = m_V9[(x_int + 1) * 129 + y_int];
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float h5 = 2 * m_V8[x_int * 128 + y_int];
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a = h2 - h1;
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b = h5 - h1 - h2;
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c = h1;
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}
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else
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{
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// 2 triangle (h1, h3, h5 points)
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float h1 = m_V9[x_int * 129 + y_int];
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float h3 = m_V9[x_int * 129 + y_int + 1];
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float h5 = 2 * m_V8[x_int * 128 + y_int];
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a = h5 - h1 - h3;
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b = h3 - h1;
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c = h1;
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}
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}
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else
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{
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if (x > y)
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{
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// 3 triangle (h2, h4, h5 points)
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float h2 = m_V9[(x_int + 1) * 129 + y_int];
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float h4 = m_V9[(x_int + 1) * 129 + y_int + 1];
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float h5 = 2 * m_V8[x_int * 128 + y_int];
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a = h2 + h4 - h5;
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b = h4 - h2;
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c = h5 - h4;
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}
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else
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{
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// 4 triangle (h3, h4, h5 points)
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float h3 = m_V9[(x_int) * 129 + y_int + 1];
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float h4 = m_V9[(x_int + 1) * 129 + y_int + 1];
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float h5 = 2 * m_V8[x_int * 128 + y_int];
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a = h4 - h3;
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b = h3 + h4 - h5;
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c = h5 - h4;
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}
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}
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// Calculate height
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return a * x + b * y + c;
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}
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float getHeightFromUint8(float x, float y)
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{
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if (m_ubyte_V8 == null || m_ubyte_V9 == null)
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return _gridHeight;
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x = MapConst.MapResolution * (32 - x / MapConst.SizeofGrids);
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y = MapConst.MapResolution * (32 - y / MapConst.SizeofGrids);
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int x_int = (int)x;
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int y_int = (int)y;
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x -= x_int;
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y -= y_int;
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x_int &= (MapConst.MapResolution - 1);
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y_int &= (MapConst.MapResolution - 1);
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int a, b, c;
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unsafe
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{
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fixed (byte* V9 = m_ubyte_V9)
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{
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byte* V9_h1_ptr = &V9[x_int * 128 + x_int + y_int];
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if (x + y < 1)
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{
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if (x > y)
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{
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// 1 triangle (h1, h2, h5 points)
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int h1 = V9_h1_ptr[0];
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int h2 = V9_h1_ptr[129];
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int h5 = 2 * m_ubyte_V8[x_int * 128 + y_int];
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a = h2 - h1;
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b = h5 - h1 - h2;
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c = h1;
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}
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else
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{
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// 2 triangle (h1, h3, h5 points)
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int h1 = V9_h1_ptr[0];
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int h3 = V9_h1_ptr[1];
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int h5 = 2 * m_ubyte_V8[x_int * 128 + y_int];
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a = h5 - h1 - h3;
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b = h3 - h1;
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c = h1;
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}
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}
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else
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{
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if (x > y)
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{
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// 3 triangle (h2, h4, h5 points)
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int h2 = V9_h1_ptr[129];
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int h4 = V9_h1_ptr[130];
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int h5 = 2 * m_ubyte_V8[x_int * 128 + y_int];
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a = h2 + h4 - h5;
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b = h4 - h2;
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c = h5 - h4;
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}
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else
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{
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// 4 triangle (h3, h4, h5 points)
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int h3 = V9_h1_ptr[1];
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int h4 = V9_h1_ptr[130];
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int h5 = 2 * m_ubyte_V8[x_int * 128 + y_int];
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a = h4 - h3;
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b = h3 + h4 - h5;
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c = h5 - h4;
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}
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}
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// Calculate height
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return ((a * x) + (b * y) + c) * _gridIntHeightMultiplier + _gridHeight;
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}
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}
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}
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float getHeightFromUint16(float x, float y)
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{
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if (m_uint16_V8 == null || m_uint16_V9 == null)
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return _gridHeight;
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x = MapConst.MapResolution * (32 - x / MapConst.SizeofGrids);
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y = MapConst.MapResolution * (32 - y / MapConst.SizeofGrids);
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int x_int = (int)x;
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int y_int = (int)y;
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x -= x_int;
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y -= y_int;
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x_int &= (MapConst.MapResolution - 1);
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y_int &= (MapConst.MapResolution - 1);
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int a, b, c;
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unsafe
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{
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fixed (ushort* V9 = m_uint16_V9)
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{
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ushort* V9_h1_ptr = &V9[x_int * 128 + x_int + y_int];
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if (x + y < 1)
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{
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if (x > y)
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{
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// 1 triangle (h1, h2, h5 points)
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int h1 = V9_h1_ptr[0];
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int h2 = V9_h1_ptr[129];
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int h5 = 2 * m_uint16_V8[x_int * 128 + y_int];
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a = h2 - h1;
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b = h5 - h1 - h2;
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c = h1;
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}
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else
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{
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// 2 triangle (h1, h3, h5 points)
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int h1 = V9_h1_ptr[0];
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int h3 = V9_h1_ptr[1];
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int h5 = 2 * m_uint16_V8[x_int * 128 + y_int];
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a = h5 - h1 - h3;
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b = h3 - h1;
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c = h1;
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}
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}
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else
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{
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if (x > y)
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{
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// 3 triangle (h2, h4, h5 points)
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int h2 = V9_h1_ptr[129];
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int h4 = V9_h1_ptr[130];
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int h5 = 2 * m_uint16_V8[x_int * 128 + y_int];
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a = h2 + h4 - h5;
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b = h4 - h2;
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c = h5 - h4;
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}
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else
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{
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// 4 triangle (h3, h4, h5 points)
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int h3 = V9_h1_ptr[1];
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int h4 = V9_h1_ptr[130];
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int h5 = 2 * m_uint16_V8[x_int * 128 + y_int];
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a = h4 - h3;
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b = h3 + h4 - h5;
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c = h5 - h4;
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}
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}
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// Calculate height
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return ((a * x) + (b * y) + c) * _gridIntHeightMultiplier + _gridHeight;
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}
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}
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}
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public float getMinHeight(float x, float y)
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{
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if (_minHeight == null)
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return -500.0f;
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uint[] indices =
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{
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3, 0, 4,
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0, 1, 4,
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1, 2, 4,
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2, 5, 4,
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5, 8, 4,
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8, 7, 4,
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7, 6, 4,
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6, 3, 4
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};
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float[] boundGridCoords =
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{
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0.0f, 0.0f,
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0.0f, -266.66666f,
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0.0f, -533.33331f,
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-266.66666f, 0.0f,
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-266.66666f, -266.66666f,
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-266.66666f, -533.33331f,
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-533.33331f, 0.0f,
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-533.33331f, -266.66666f,
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-533.33331f, -533.33331f
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};
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Cell cell = new Cell(x, y);
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float gx = x - (cell.GetGridX() - MapConst.CenterGridId + 1) *MapConst.SizeofGrids;
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float gy = y - (cell.GetGridY() - MapConst.CenterGridId + 1) *MapConst.SizeofGrids;
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uint quarterIndex = 0;
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if (cell.GetCellY() < MapConst.MaxCells / 2)
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{
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if (cell.GetCellX() < MapConst.MaxCells / 2)
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{
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quarterIndex = 4 + (gy > gx ? 1u : 0u);
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}
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else
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quarterIndex = (2 + ((-MapConst.SizeofGrids - gx) > gy ? 1u : 0));
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}
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else if (cell.GetCellX() < MapConst.MaxCells / 2)
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{
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quarterIndex = 6 + ((-MapConst.SizeofGrids - gx) <= gy ? 1u : 0);
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}
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else
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quarterIndex = gx > gy ? 1u : 0;
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quarterIndex *= 3;
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return new Plane(
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new Vector3(boundGridCoords[indices[quarterIndex + 0] * 2 + 0], boundGridCoords[indices[quarterIndex + 0] * 2 + 1], _minHeight[indices[quarterIndex + 0]]),
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new Vector3(boundGridCoords[indices[quarterIndex + 1] * 2 + 0], boundGridCoords[indices[quarterIndex + 1] * 2 + 1], _minHeight[indices[quarterIndex + 1]]),
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new Vector3(boundGridCoords[indices[quarterIndex + 2] * 2 + 0], boundGridCoords[indices[quarterIndex + 2] * 2 + 1], _minHeight[indices[quarterIndex + 2]])
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).GetDistanceToPlane(new Vector3(gx, gy, 0.0f));
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}
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public float getLiquidLevel(float x, float y)
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{
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if (_liquidMap == null)
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return _liquidLevel;
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x = MapConst.MapResolution * (32 - x / MapConst.SizeofGrids);
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y = MapConst.MapResolution * (32 - y / MapConst.SizeofGrids);
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int cx_int = ((int)x & (MapConst.MapResolution - 1)) - _liquidOffY;
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int cy_int = ((int)y & (MapConst.MapResolution - 1)) - _liquidOffX;
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if (cx_int < 0 || cx_int >= _liquidHeight)
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return MapConst.InvalidHeight;
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if (cy_int < 0 || cy_int >= _liquidWidth)
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return MapConst.InvalidHeight;
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return _liquidMap[cx_int * _liquidWidth + cy_int];
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}
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// Why does this return LIQUID data?
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public byte getTerrainType(float x, float y)
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{
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if (_liquidFlags == null)
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return 0;
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x = 16 * (32 - x / MapConst.SizeofGrids);
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|
y = 16 * (32 - y / MapConst.SizeofGrids);
|
|
int lx = (int)x & 15;
|
|
int ly = (int)y & 15;
|
|
return _liquidFlags[lx * 16 + ly];
|
|
}
|
|
|
|
// Get water state on map
|
|
public ZLiquidStatus getLiquidStatus(float x, float y, float z, byte ReqLiquidType, LiquidData data)
|
|
{
|
|
// Check water type (if no water return)
|
|
if (_liquidType == 0 && _liquidFlags == null)
|
|
return ZLiquidStatus.NoWater;
|
|
|
|
// Get cell
|
|
float cx = MapConst.MapResolution * (32 - x / MapConst.SizeofGrids);
|
|
float cy = MapConst.MapResolution * (32 - y / MapConst.SizeofGrids);
|
|
|
|
int x_int = (int)cx & (MapConst.MapResolution - 1);
|
|
int y_int = (int)cy & (MapConst.MapResolution - 1);
|
|
|
|
// Check water type in cell
|
|
int idx = (x_int >> 3) * 16 + (y_int >> 3);
|
|
byte type = _liquidFlags != null ? _liquidFlags[idx] : (byte)_liquidType;
|
|
uint entry = 0;
|
|
if (_liquidEntry != null)
|
|
{
|
|
var liquidEntry = CliDB.LiquidTypeStorage.LookupByKey(_liquidEntry[idx]);
|
|
if (liquidEntry != null)
|
|
{
|
|
entry = liquidEntry.Id;
|
|
type &= MapConst.MapLiquidTypeDarkWater;
|
|
uint liqTypeIdx = liquidEntry.SoundBank;
|
|
if (entry < 21)
|
|
{
|
|
var area = CliDB.AreaTableStorage.LookupByKey(getArea(x, y));
|
|
if (area != null)
|
|
{
|
|
uint overrideLiquid = area.LiquidTypeID[liquidEntry.SoundBank];
|
|
if (overrideLiquid == 0 && area.ParentAreaID == 0)
|
|
{
|
|
area = CliDB.AreaTableStorage.LookupByKey(area.ParentAreaID);
|
|
if (area != null)
|
|
overrideLiquid = area.LiquidTypeID[liquidEntry.SoundBank];
|
|
}
|
|
var liq = CliDB.LiquidTypeStorage.LookupByKey(overrideLiquid);
|
|
if (liq != null)
|
|
{
|
|
entry = overrideLiquid;
|
|
liqTypeIdx = liq.SoundBank;
|
|
}
|
|
}
|
|
}
|
|
type |= (byte)(1 << (int)liqTypeIdx);
|
|
}
|
|
}
|
|
|
|
if (type == 0)
|
|
return ZLiquidStatus.NoWater;
|
|
|
|
// Check req liquid type mask
|
|
if (ReqLiquidType != 0 && !Convert.ToBoolean(ReqLiquidType & type))
|
|
return ZLiquidStatus.NoWater;
|
|
|
|
// Check water level:
|
|
// Check water height map
|
|
int lx_int = x_int - _liquidOffY;
|
|
int ly_int = y_int - _liquidOffX;
|
|
if (lx_int < 0 || lx_int >= _liquidHeight)
|
|
return ZLiquidStatus.NoWater;
|
|
if (ly_int < 0 || ly_int >= _liquidWidth)
|
|
return ZLiquidStatus.NoWater;
|
|
|
|
// Get water level
|
|
float liquid_level = _liquidMap != null ? _liquidMap[lx_int * _liquidWidth + ly_int] : _liquidLevel;
|
|
// Get ground level (sub 0.2 for fix some errors)
|
|
float ground_level = getHeight(x, y);
|
|
|
|
// Check water level and ground level
|
|
if (liquid_level < ground_level || z < ground_level - 2)
|
|
return ZLiquidStatus.NoWater;
|
|
|
|
// All ok in water . store data
|
|
if (data != null)
|
|
{
|
|
data.entry = entry;
|
|
data.type_flags = type;
|
|
data.level = liquid_level;
|
|
data.depth_level = ground_level;
|
|
}
|
|
|
|
// For speed check as int values
|
|
float delta = liquid_level - z;
|
|
|
|
if (delta > 2.0f) // Under water
|
|
return ZLiquidStatus.UnderWater;
|
|
if (delta > 0.0f) // In water
|
|
return ZLiquidStatus.InWater;
|
|
if (delta > -0.1f) // Walk on water
|
|
return ZLiquidStatus.WaterWalk;
|
|
// Above water
|
|
return ZLiquidStatus.AboveWater;
|
|
}
|
|
|
|
public float getHeight(float x, float y) { return _gridGetHeight(x, y); }
|
|
|
|
#region Fields
|
|
delegate float GetHeight(float x, float y);
|
|
|
|
GetHeight _gridGetHeight;
|
|
uint _flags;
|
|
|
|
public float[] m_V9;
|
|
public ushort[] m_uint16_V9;
|
|
public byte[] m_ubyte_V9;
|
|
|
|
public float[] m_V8;
|
|
public ushort[] m_uint16_V8;
|
|
public byte[] m_ubyte_V8;
|
|
short[] _maxHeight;
|
|
short[] _minHeight;
|
|
float _gridHeight;
|
|
float _gridIntHeightMultiplier;
|
|
|
|
//Area data
|
|
public ushort[] _areaMap;
|
|
|
|
//Liquid Map
|
|
float _liquidLevel;
|
|
ushort[] _liquidEntry;
|
|
byte[] _liquidFlags;
|
|
float[] _liquidMap;
|
|
ushort _gridArea;
|
|
ushort _liquidType;
|
|
byte _liquidOffX;
|
|
byte _liquidOffY;
|
|
byte _liquidWidth;
|
|
byte _liquidHeight;
|
|
#endregion
|
|
}
|
|
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct mapFileHeader
|
|
{
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
|
|
public char[] mapMagic;
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
|
|
public char[] versionMagic;
|
|
public uint buildMagic;
|
|
public uint areaMapOffset;
|
|
public uint areaMapSize;
|
|
public uint heightMapOffset;
|
|
public uint heightMapSize;
|
|
public uint liquidMapOffset;
|
|
public uint liquidMapSize;
|
|
public uint holesOffset;
|
|
public uint holesSize;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct map_AreaHeader
|
|
{
|
|
public uint fourcc;
|
|
public AreaHeaderFlags flags;
|
|
public ushort gridArea;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct map_HeightHeader
|
|
{
|
|
public uint fourcc;
|
|
public HeightHeaderFlags flags;
|
|
public float gridHeight;
|
|
public float gridMaxHeight;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct map_LiquidHeader
|
|
{
|
|
public uint fourcc;
|
|
public LiquidHeaderFlags flags;
|
|
public ushort liquidType;
|
|
public byte offsetX;
|
|
public byte offsetY;
|
|
public byte width;
|
|
public byte height;
|
|
public float liquidLevel;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public class LiquidData
|
|
{
|
|
public uint type_flags;
|
|
public uint entry;
|
|
public float level;
|
|
public float depth_level;
|
|
}
|
|
|
|
[Flags]
|
|
public enum AreaHeaderFlags : ushort
|
|
{
|
|
NoArea = 0x0001
|
|
}
|
|
|
|
[Flags]
|
|
public enum HeightHeaderFlags
|
|
{
|
|
NoHeight = 0x0001,
|
|
HeightAsInt16 = 0x0002,
|
|
HeightAsInt8 = 0x0004,
|
|
HeightHasFlightBounds = 0x0008
|
|
}
|
|
|
|
[Flags]
|
|
public enum LiquidHeaderFlags : ushort
|
|
{
|
|
LiquidNoType = 0x0001,
|
|
LiquidNoHeight = 0x0002
|
|
}
|
|
}
|