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//
// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
#ifndef DETOURNAVMESHBUILDER_H
#define DETOURNAVMESHBUILDER_H
#include "DetourAlloc.h"
// The units of the parameters are specified in parenthesis as follows:
// (vx) voxels, (wu) world units
struct dtNavMeshCreateParams
{
// Navmesh vertices.
const unsigned short* verts; // Array of vertices, each vertex has 3 components. (vx).
int vertCount; // Vertex count
// Navmesh polygons
const unsigned short* polys; // Array of polygons, uses same format as rcPolyMesh.
const unsigned short* polyFlags; // Array of flags per polygon.
const unsigned char* polyAreas; // Array of area ids per polygon.
int polyCount; // Number of polygons
int nvp; // Number of verts per polygon.
// Navmesh Detail
const unsigned int* detailMeshes; // Detail meshes, uses same format as rcPolyMeshDetail.
const float* detailVerts; // Detail mesh vertices, uses same format as rcPolyMeshDetail (wu).
int detailVertsCount; // Total number of detail vertices
const unsigned char* detailTris; // Array of detail tris per detail mesh.
int detailTriCount; // Total number of detail triangles.
// Off-Mesh Connections.
const float* offMeshConVerts; // Off-mesh connection vertices (wu).
const float* offMeshConRad; // Off-mesh connection radii (wu).
const unsigned short* offMeshConFlags; // Off-mesh connection flags.
const unsigned char* offMeshConAreas; // Off-mesh connection area ids.
const unsigned char* offMeshConDir; // Off-mesh connection direction flags (1 = bidir, 0 = oneway).
const unsigned int* offMeshConUserID; // Off-mesh connection user id (optional).
int offMeshConCount; // Number of off-mesh connections
// Tile location
unsigned int userId; // User ID bound to the tile.
int tileX, tileY; // Tile location (tile coords).
float bmin[3], bmax[3]; // Tile bounds (wu).
// Settings
float walkableHeight; // Agent height (wu).
float walkableRadius; // Agent radius (wu).
float walkableClimb; // Agent max climb (wu).
float cs; // Cell size (xz) (wu).
float ch; // Cell height (y) (wu).
int tileSize; // Tile size (width & height) (vx).
};
// Build navmesh data from given input data.
bool dtCreateNavMeshData(dtNavMeshCreateParams* params, unsigned char** outData, int* outDataSize);
// Swaps endianess of navmesh header.
bool dtNavMeshHeaderSwapEndian(unsigned char* data, const int dataSize);
// Swaps endianess of the navmesh data. This function assumes that the header is in correct
// endianess already. Call dtNavMeshHeaderSwapEndian() first on the data if the data is
// assumed to be in wrong endianess to start with. If converting from native endianess to foreign,
// call dtNavMeshHeaderSwapEndian() after the data has been swapped.
bool dtNavMeshDataSwapEndian(unsigned char* data, const int dataSize);
#endif // DETOURNAVMESHBUILDER_H
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