forked from mirror/DotRecast
90 lines
3.4 KiB
C#
90 lines
3.4 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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namespace DotRecast.Detour.Io
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{
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public class MeshSetWriter : DetourWriter
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{
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private readonly MeshDataWriter writer = new MeshDataWriter();
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private readonly NavMeshParamWriter paramWriter = new NavMeshParamWriter();
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public void write(BinaryWriter stream, NavMesh mesh, ByteOrder 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, NavMesh mesh, ByteOrder 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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MeshTile 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, NavMesh mesh, ByteOrder 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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MeshTile 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 bb = new MemoryStream();
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using BinaryWriter baos = new BinaryWriter(bb);
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writer.write(baos, tile.data, order, cCompatibility);
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baos.Flush();
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baos.Close();
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byte[] ba = bb.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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} |