forked from mirror/DotRecast
91 lines
3.5 KiB
C#
91 lines
3.5 KiB
C#
/*
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Recast4J Copyright (c) 2015-2018 Piotr Piastucki piotr@jtilia.org
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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using System.IO;
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using DotRecast.Core;
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using DotRecast.Core.Numerics;
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namespace DotRecast.Detour.Io
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{
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public class DtMeshSetWriter : DtWriter
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{
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private readonly DtMeshDataWriter writer = new DtMeshDataWriter();
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private readonly DtNavMeshParamWriter paramWriter = new DtNavMeshParamWriter();
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public void Write(BinaryWriter stream, DtNavMesh mesh, RcByteOrder order, bool cCompatibility)
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{
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WriteHeader(stream, mesh, order, cCompatibility);
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WriteTiles(stream, mesh, order, cCompatibility);
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}
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private void WriteHeader(BinaryWriter stream, DtNavMesh mesh, RcByteOrder order, bool cCompatibility)
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{
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Write(stream, NavMeshSetHeader.NAVMESHSET_MAGIC, order);
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Write(stream, cCompatibility ? NavMeshSetHeader.NAVMESHSET_VERSION : NavMeshSetHeader.NAVMESHSET_VERSION_RECAST4J, order);
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int numTiles = 0;
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for (int i = 0; i < mesh.GetMaxTiles(); ++i)
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{
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DtMeshTile tile = mesh.GetTile(i);
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if (tile == null || tile.data == null || tile.data.header == null)
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{
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continue;
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}
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numTiles++;
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}
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Write(stream, numTiles, order);
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paramWriter.Write(stream, mesh.GetParams(), order);
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if (!cCompatibility)
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{
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Write(stream, mesh.GetMaxVertsPerPoly(), order);
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}
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}
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private void WriteTiles(BinaryWriter stream, DtNavMesh mesh, RcByteOrder order, bool cCompatibility)
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{
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for (int i = 0; i < mesh.GetMaxTiles(); ++i)
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{
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DtMeshTile tile = mesh.GetTile(i);
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if (tile == null || tile.data == null || tile.data.header == null)
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{
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continue;
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}
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NavMeshTileHeader tileHeader = new NavMeshTileHeader();
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tileHeader.tileRef = mesh.GetTileRef(tile);
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using MemoryStream msw = new MemoryStream();
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using BinaryWriter bw = new BinaryWriter(msw);
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writer.Write(bw, tile.data, order, cCompatibility);
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bw.Flush();
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bw.Close();
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byte[] ba = msw.ToArray();
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tileHeader.dataSize = ba.Length;
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Write(stream, tileHeader.tileRef, order);
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Write(stream, tileHeader.dataSize, order);
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if (cCompatibility)
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{
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Write(stream, 0, order); // C struct padding
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}
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stream.Write(ba);
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}
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}
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}
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} |