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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 INPUTGEOM_H
#define INPUTGEOM_H
#include "ChunkyTriMesh.h"
#include "MeshLoaderObj.h"
static const int MAX_CONVEXVOL_PTS = 12;
struct ConvexVolume
{
float verts[MAX_CONVEXVOL_PTS*3];
float hmin, hmax;
int nverts;
int area;
};
struct BuildSettings
{
// Cell size in world units
float cellSize;
// Cell height in world units
float cellHeight;
// Agent height in world units
float agentHeight;
// Agent radius in world units
float agentRadius;
// Agent max climb in world units
float agentMaxClimb;
// Agent max slope in degrees
float agentMaxSlope;
// Region minimum size in voxels.
// regionMinSize = sqrt(regionMinArea)
float regionMinSize;
// Region merge size in voxels.
// regionMergeSize = sqrt(regionMergeArea)
float regionMergeSize;
// Edge max length in world units
float edgeMaxLen;
// Edge max error in voxels
float edgeMaxError;
float vertsPerPoly;
// Detail sample distance in voxels
float detailSampleDist;
// Detail sample max error in voxel heights.
float detailSampleMaxError;
// Partition type, see SamplePartitionType
int partitionType;
// Bounds of the area to mesh
float navMeshBMin[3];
float navMeshBMax[3];
// Size of the tiles in voxels
float tileSize;
};
class InputGeom
{
rcChunkyTriMesh* m_chunkyMesh;
rcMeshLoaderObj* m_mesh;
float m_meshBMin[3], m_meshBMax[3];
BuildSettings m_buildSettings;
bool m_hasBuildSettings;
/// @name Off-Mesh connections.
///@{
static const int MAX_OFFMESH_CONNECTIONS = 256;
float m_offMeshConVerts[MAX_OFFMESH_CONNECTIONS*3*2];
float m_offMeshConRads[MAX_OFFMESH_CONNECTIONS];
unsigned char m_offMeshConDirs[MAX_OFFMESH_CONNECTIONS];
unsigned char m_offMeshConAreas[MAX_OFFMESH_CONNECTIONS];
unsigned short m_offMeshConFlags[MAX_OFFMESH_CONNECTIONS];
unsigned int m_offMeshConId[MAX_OFFMESH_CONNECTIONS];
int m_offMeshConCount;
///@}
/// @name Convex Volumes.
///@{
static const int MAX_VOLUMES = 256;
ConvexVolume m_volumes[MAX_VOLUMES];
int m_volumeCount;
///@}
bool loadMesh(class rcContext* ctx, const std::string& filepath);
bool loadGeomSet(class rcContext* ctx, const std::string& filepath);
public:
InputGeom();
~InputGeom();
bool load(class rcContext* ctx, const std::string& filepath);
bool saveGeomSet(const BuildSettings* settings);
/// Method to return static mesh data.
const rcMeshLoaderObj* getMesh() const { return m_mesh; }
const float* getMeshBoundsMin() const { return m_meshBMin; }
const float* getMeshBoundsMax() const { return m_meshBMax; }
const float* getNavMeshBoundsMin() const { return m_hasBuildSettings ? m_buildSettings.navMeshBMin : m_meshBMin; }
const float* getNavMeshBoundsMax() const { return m_hasBuildSettings ? m_buildSettings.navMeshBMax : m_meshBMax; }
const rcChunkyTriMesh* getChunkyMesh() const { return m_chunkyMesh; }
const BuildSettings* getBuildSettings() const { return m_hasBuildSettings ? &m_buildSettings : 0; }
bool raycastMesh(float* src, float* dst, float& tmin);
/// @name Off-Mesh connections.
///@{
int getOffMeshConnectionCount() const { return m_offMeshConCount; }
const float* getOffMeshConnectionVerts() const { return m_offMeshConVerts; }
const float* getOffMeshConnectionRads() const { return m_offMeshConRads; }
const unsigned char* getOffMeshConnectionDirs() const { return m_offMeshConDirs; }
const unsigned char* getOffMeshConnectionAreas() const { return m_offMeshConAreas; }
const unsigned short* getOffMeshConnectionFlags() const { return m_offMeshConFlags; }
const unsigned int* getOffMeshConnectionId() const { return m_offMeshConId; }
void addOffMeshConnection(const float* spos, const float* epos, const float rad,
unsigned char bidir, unsigned char area, unsigned short flags);
void deleteOffMeshConnection(int i);
void drawOffMeshConnections(struct duDebugDraw* dd, bool hilight = false);
///@}
/// @name Box Volumes.
///@{
int getConvexVolumeCount() const { return m_volumeCount; }
const ConvexVolume* getConvexVolumes() const { return m_volumes; }
void addConvexVolume(const float* verts, const int nverts,
const float minh, const float maxh, unsigned char area);
void deleteConvexVolume(int i);
void drawConvexVolumes(struct duDebugDraw* dd, bool hilight = false);
///@}
private:
// Explicitly disabled copy constructor and copy assignment operator.
InputGeom(const InputGeom&);
InputGeom& operator=(const InputGeom&);
};
#endif // INPUTGEOM_H
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