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110 lines
3.2 KiB
C++
110 lines
3.2 KiB
C++
/*
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Copyright (C) 2015, 2018, 2020 cc9cii
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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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cc9cii cc9c@iinet.net.au
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Much of the information on the data structures are based on the information
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from Tes4Mod:Mod_File_Format and Tes5Mod:File_Formats but also refined by
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trial & error. See http://en.uesp.net/wiki for details.
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*/
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#ifndef ESM4_NAVM_H
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#define ESM4_NAVM_H
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#include <cstdint>
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#include <vector>
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#include "common.hpp" // CellGrid, Vertex
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namespace ESM4
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{
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class Reader;
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class Writer;
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struct NavMesh
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{
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#pragma pack(push, 1)
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struct Triangle
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{
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std::uint16_t vertexIndex0;
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std::uint16_t vertexIndex1;
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std::uint16_t vertexIndex2;
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std::uint16_t edge0;
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std::uint16_t edge1;
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std::uint16_t edge2;
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std::uint16_t coverMarker;
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std::uint16_t coverFlags;
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};
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struct ExtConnection
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{
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std::uint32_t unknown;
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FormId navMesh;
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std::uint16_t triangleIndex;
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};
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struct DoorTriangle
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{
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std::uint16_t triangleIndex;
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std::uint32_t unknown;
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FormId doorRef;
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};
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#pragma pack(pop)
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struct NVNMstruct
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{
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std::uint32_t unknownNVER;
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std::uint32_t unknownLCTN;
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FormId worldSpaceId;
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CellGrid cellGrid;
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std::vector<Vertex> verticies;
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std::vector<Triangle> triangles;
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std::vector<ExtConnection> extConns;
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std::vector<DoorTriangle> doorTriangles;
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std::vector<std::uint16_t> coverTriangles;
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std::uint32_t divisor;
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float maxXDist;
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float maxYDist;
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float minX;
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float minY;
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float minZ;
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float maxX;
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float maxY;
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float maxZ;
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// there are divisor^2 segments, each segment is a vector of triangle indices
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std::vector<std::vector<std::uint16_t>> triSegments;
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void load(ESM4::Reader& esm);
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};
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std::vector<NVNMstruct> mData; // Up to 4 skywind cells in one Morrowind cell
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FormId mFormId; // from the header
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std::uint32_t mFlags; // from the header, see enum type RecordFlag for details
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void load(ESM4::Reader& reader);
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// void save(ESM4::Writer& writer) const;
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void blank();
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};
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}
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#endif // ESM4_NAVM_H
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