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/**
* @file thdb3d.h
* 3D processing class.
*/
/* Copyright (C) 2000 Stacho Mudrak
*
* $Date: $
* $RCSfile: $
* $Revision: $
*
* --------------------------------------------------------------------
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* --------------------------------------------------------------------
*/
#ifndef thdb3d_h
#define thdb3d_h
#include <list>
#include <stdio.h>
enum {
THDB3DFC_POINTS,
THDB3DFC_LINES,
THDB3DFC_LINE_STRIP,
THDB3DFC_LINE_LOOP,
THDB3DFC_TRIANGLES,
THDB3DFC_TRIANGLE_STRIP,
THDB3DFC_TRIANGLE_FAN,
THDB3DFC_QUADS,
THDB3DFC_QUAD_STRIP,
THDB3DFC_POLYGON,
};
struct thdb3dlim {
bool ok;
double minx, miny, minz,
maxx, maxy, maxz;
thdb3dlim() : ok(false), minx(0.0), miny(0.0), minz(0.0),
maxx(0.0), maxy(0.0), maxz(0.0) {}
void update(double x, double y, double z);
void update(thdb3dlim * limits);
};
struct thdb3dnm {
double x, y, z;
bool norm;
thdb3dnm * next;
thdb3dnm() : x(0.0), y(0.0), z(0.0), norm(false), next(NULL) {}
void normalize();
};
struct thdb3dvx {
unsigned long id;
double x, y, z;
void * data;
thdb3dnm * normal;
thdb3dvx * next;
thdb3dvx() : id(0), x(0.0), y(0.0), z(0.0),
data(NULL), normal(NULL), next(NULL) {}
thdb3dnm * insert_normal(double nx, double ny, double nz);
};
struct thdb3dfx {
void * data;
thdb3dnm * normal;
thdb3dvx * vertex;
thdb3dfx * next;
thdb3dfx() : data(NULL), normal(NULL), vertex(NULL), next(NULL) {}
thdb3dnm * insert_normal(double nx, double ny, double nz);
};
struct thdb3dfc {
int type;
unsigned long nvx;
thdb3dfx * firstfx, * lastfx;
thdb3dfc * next;
thdb3dfc() : type(THDB3DFC_TRIANGLES), nvx(0), firstfx(NULL), lastfx(NULL),
next(NULL) {}
thdb3dfx * insert_vertex(thdb3dvx * vx = NULL, void * dt = NULL);
};
struct thdb3ddata {
unsigned long nvertices,
nfaces;
double exp_shift_x, exp_shift_y, exp_shift_z;
thdb3dfc * firstfc, * lastfc;
thdb3dvx * firstvx, * lastvx;
thdb3ddata * next;
thdb3dlim limits;
thdb3ddata() : nvertices(0), nfaces(0),
exp_shift_x(0.0), exp_shift_y(0.0), exp_shift_z(0.0),
firstfc(NULL), lastfc(NULL),
firstvx(NULL), lastvx(NULL),
next(NULL), limits() {}
thdb3dfc * insert_face(int type);
thdb3dvx * insert_vertex(double vxx, double vxy, double vxz, void * dt = NULL);
void export_thm(FILE * out);
void export_vrml(FILE * out);
void export_3dmf(FILE * out);
void postprocess();
};
struct thdb3d {
std::list <thdb3dnm> normal_list;
std::list <thdb3dvx> vertex_list;
std::list <thdb3dfx> face_vertex_list;
std::list <thdb3dfc> face_list;
};
extern thdb3d thdatabase3d;
#endif
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