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60 lines
2.1 KiB
C#
60 lines
2.1 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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namespace ClassicalSharp.Map {
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/// <summary> Imports a world from a FCMv3 map file (fCraft server map) </summary>
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public sealed class MapFcm3Importer : IMapFormatImporter {
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const uint Identifier = 0x0FC2AF40;
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const byte Revision = 13;
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public byte[] Load( Stream stream, Game game, out int width, out int height, out int length ) {
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BinaryReader reader = new BinaryReader( stream );
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if( reader.ReadInt32() != Identifier || reader.ReadByte() != Revision ) {
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throw new InvalidDataException( "Unexpected constant in .fcm file" );
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}
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width = reader.ReadInt16();
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height = reader.ReadInt16();
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length = reader.ReadInt16();
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LocalPlayer p = game.LocalPlayer;
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p.Spawn.X = reader.ReadInt32() / 32f;
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p.Spawn.Y = reader.ReadInt32() / 32f;
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p.Spawn.Z = reader.ReadInt32() / 32f;
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p.SpawnYaw = (float)Utils.PackedToDegrees( reader.ReadByte() );
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p.SpawnPitch = (float)Utils.PackedToDegrees( reader.ReadByte() );
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reader.ReadUInt32(); // date modified
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reader.ReadUInt32(); // date created
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game.World.Uuid = new Guid( reader.ReadBytes( 16 ) );
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reader.ReadBytes( 26 ); // layer index
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int metaSize = reader.ReadInt32();
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using( DeflateStream ds = new DeflateStream( stream, CompressionMode.Decompress ) ) {
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reader = new BinaryReader( ds );
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for( int i = 0; i < metaSize; i++ ) {
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string group = ReadString( reader );
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string key = ReadString( reader );
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string value = ReadString( reader );
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}
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byte[] blocks = new byte[width * height * length];
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int read = ds.Read( blocks, 0, blocks.Length );
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return blocks;
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}
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}
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static string ReadString( BinaryReader reader ) {
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int length = reader.ReadUInt16();
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byte[] data = reader.ReadBytes( length );
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return Encoding.ASCII.GetString( data );
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}
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}
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} |