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https://github.com/ClassiCube/ClassiCube.git
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93 lines
3.4 KiB
C#
93 lines
3.4 KiB
C#
// ClassicalSharp copyright 2014-2016 UnknownShadow200 | Licensed under MIT
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// Part of fCraft | Copyright (c) 2009-2014 Matvei Stefarov <me@matvei.org> | BSD-3 | See LICENSE.txt
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using System;
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using System.IO;
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using System.IO.Compression;
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using System.Text;
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using ClassicalSharp.Entities;
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using ClassicalSharp.Network;
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namespace ClassicalSharp.Map {
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/// <summary> Imports a world from a LVL map file (MCLawl server map) </summary>
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public sealed class MapLvlImporter : IMapFormatImporter {
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const int Version = 1874;
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const byte customTile = 163;
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public byte[] Load( Stream stream, Game game, out int width, out int height, out int length ) {
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GZipHeaderReader gsHeader = new GZipHeaderReader();
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while( !gsHeader.ReadHeader( stream ) ) { }
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using( DeflateStream gs = new DeflateStream( stream, CompressionMode.Decompress ) ) {
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BinaryReader r = new BinaryReader( gs );
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ushort header = r.ReadUInt16();
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width = header == Version ? r.ReadUInt16() : header;
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length = r.ReadUInt16();
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height = r.ReadUInt16();
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LocalPlayer p = game.LocalPlayer;
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p.Spawn.X = r.ReadUInt16();
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p.Spawn.Z = r.ReadUInt16();
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p.Spawn.Y = r.ReadUInt16();
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p.SpawnYaw = (float)Utils.PackedToDegrees( r.ReadByte() );
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p.SpawnPitch = (float)Utils.PackedToDegrees( r.ReadByte() );
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if( header == Version )
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r.ReadUInt16(); // pervisit and perbuild perms
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byte[] blocks = new byte[width * height * length];
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int read = gs.Read( blocks, 0, blocks.Length );
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ConvertPhysicsBlocks( blocks );
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if( gs.ReadByte() != 0xBD ) return blocks;
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ReadCustomBlocks( gs, width, height, length, blocks );
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return blocks;
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}
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}
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void ReadCustomBlocks( Stream s, int width, int height, int length, byte[] blocks ) {
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byte[] chunk = new byte[16 * 16 * 16];
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for( int y = 0; y < height; y += 16 )
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for( int z = 0; z < length; z += 16 )
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for( int x = 0; x < width; x += 16 )
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{
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if( s.ReadByte() != 1 ) continue;
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s.Read( chunk, 0, chunk.Length );
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int baseIndex = (y * length + z) * width + x;
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for( int i = 0; i < chunk.Length; i++ ) {
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int bx = i & 0xF, by = (i >> 8) & 0xF, bz = (i >> 4) & 0xF;
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int index = baseIndex + (by * length + bz) * width + bx;
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if( blocks[index] != customTile ) continue;
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blocks[index] = chunk[i];
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}
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}
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}
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unsafe void ConvertPhysicsBlocks( byte[] blocks ) {
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byte* conv = stackalloc byte[256];
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int count = BlockInfo.CpeCount;
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for( int i = 0; i < count; i++ )
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conv[i] = (byte)i;
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for( int i = count; i < 256; i++ )
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conv[i] = table[i - count];
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for( int i = 0; i < blocks.Length; i++ )
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blocks[i] = conv[blocks[i]];
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}
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static byte[] table = new byte[] { 0, 0, 0, 0, 39, 36, 36, 10, 46, 21, 22,
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22, 22, 22, 4, 0, 22, 21, 0, 22, 23, 24, 22, 26, 27, 28, 30, 31, 32, 33,
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34, 35, 36, 22, 20, 49, 45, 1, 4, 0, 9, 11, 4, 19, 5, 17, 10, 49, 20, 1,
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18, 12, 5, 25, 46, 44, 17, 49, 20, 1, 18, 12, 5, 25, 36, 34, 0, 9, 11, 46,
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44, 0, 9, 11, 8, 10, 22, 27, 22, 8, 10, 28, 17, 49, 20, 1, 18, 12, 5, 25, 46,
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44, 11, 9, 0, 9, 11, customTile, 0, 0, 9, 11, 0, 0, 0, 0, 0, 0, 0, 28, 22, 21,
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11, 0, 0, 0, 46, 46, 10, 10, 46, 20, 41, 42, 11, 9, 0, 8, 10, 10, 8, 0, 22, 22,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21, 10, 0, 0, 0, 0, 0, 22, 22, 42, 3, 2, 29,
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47, 0, 0, 0, 0, 0, 27, 46, 48, 24, 22, 36, 34, 8, 10, 21, 29, 22, 10, 22, 22,
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41, 19, 35, 21, 29, 49, 34, 16, 41, 0, 22 };
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}
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} |