77 lines
3.6 KiB
C
77 lines
3.6 KiB
C
//
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// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
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//
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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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#ifndef DETOURNAVMESHBUILDER_H
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#define DETOURNAVMESHBUILDER_H
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#include "DetourAlloc.h"
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// The units of the parameters are specified in parenthesis as follows:
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// (vx) voxels, (wu) world units
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struct dtNavMeshCreateParams
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{
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// Navmesh vertices.
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const unsigned short* verts; // Array of vertices, each vertex has 3 components. (vx).
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int vertCount; // Vertex count
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// Navmesh polygons
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const unsigned short* polys; // Array of polygons, uses same format as rcPolyMesh.
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const unsigned short* polyFlags; // Array of flags per polygon.
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const unsigned char* polyAreas; // Array of area ids per polygon.
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int polyCount; // Number of polygons
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int nvp; // Number of verts per polygon.
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// Navmesh Detail
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const unsigned short* detailMeshes; // Detail meshes, uses same format as rcPolyMeshDetail.
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const float* detailVerts; // Detail mesh vertices, uses same format as rcPolyMeshDetail (wu).
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int detailVertsCount; // Total number of detail vertices
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const unsigned char* detailTris; // Array of detail tris per detail mesh.
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int detailTriCount; // Total number of detail triangles.
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// Off-Mesh Connections.
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const float* offMeshConVerts; // Off-mesh connection vertices (wu).
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const float* offMeshConRad; // Off-mesh connection radii (wu).
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const unsigned short* offMeshConFlags; // Off-mesh connection flags.
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const unsigned char* offMeshConAreas; // Off-mesh connection area ids.
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const unsigned char* offMeshConDir; // Off-mesh connection direction flags (1 = bidir, 0 = oneway).
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int offMeshConCount; // Number of off-mesh connections
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// Tile location
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unsigned int userId; // User ID bound to the tile.
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int tileX, tileY; // Tile location (tile coords).
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float bmin[3], bmax[3]; // Tile bounds (wu).
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// Settings
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float walkableHeight; // Agent height (wu).
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float walkableRadius; // Agent radius (wu).
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float walkableClimb; // Agent max climb (wu).
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float cs; // Cell size (xz) (wu).
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float ch; // Cell height (y) (wu).
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int tileSize; // Tile size (width & height) (vx).
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};
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// Build navmesh data from given input data.
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bool dtCreateNavMeshData(dtNavMeshCreateParams* params, unsigned char** outData, int* outDataSize);
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// Swaps endianess of navmesh header.
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bool dtNavMeshHeaderSwapEndian(unsigned char* data, const int dataSize);
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// Swaps endianess of the navmesh data. This function assumes that the header is in correct
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// endianess already. Call dtNavMeshHeaderSwapEndian() first on the data if the data is
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// assumed to be in wrong endianess to start with. If converting from native endianess to foreign,
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// call dtNavMeshHeaderSwapEndian() after the data has been swapped.
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bool dtNavMeshDataSwapEndian(unsigned char* data, const int dataSize);
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#endif // DETOURNAVMESHBUILDER_H
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