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IO/vtk3DS.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtk3DS.h,v $
  Language:  C++


Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

 * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
   of any contributors may be used to endorse or promote products derived
   from this software without specific prior written permission.

 * Modified source versions must be plainly marked as such, and must not be
   misrepresented as being the original software.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=========================================================================*/

#include <ctype.h>

typedef float Vector[3];

/* A generic list type */
#define VTK_LIST_INSERT(root, node) list_insert ((List **)&root, reinterpret_cast<List *>(node))
#define VTK_LIST_FIND(root, name)   list_find   ((List **)&root, name)
#define VTK_LIST_DELETE(root, node) list_delete ((List **)&root, (List *)node)
#define VTK_LIST_KILL(root)         list_kill   ((List **)&root)

#define VTK_LIST_FIELDS  \
    char name[80];   \
    void *next;


typedef unsigned char  byte;
typedef unsigned short word;
typedef unsigned int  dword;

typedef struct {
   VTK_LIST_FIELDS
} List;


typedef struct {
    int a, b, c;
} Face;


typedef struct {
    float red, green, blue;
} Colour;


/* Omni light command */
typedef struct {
    VTK_LIST_FIELDS

    Vector pos;            /* Light position */
    Colour col;            /* Light colour */
    vtkLight *aLight;
} OmniLight;


/* Spotlight command */
typedef struct {
    VTK_LIST_FIELDS

    Vector pos;            /* Spotlight position */
    Vector target;         /* Spotlight target location */
    Colour col;            /* Spotlight colour */
    float  hotspot;        /* Hotspot angle (degrees) */
    float  falloff;        /* Falloff angle (degrees) */
    int    shadow_flag;    /* Shadow flag (not used) */
    vtkLight *aLight;
} SpotLight;


/* Camera command */
typedef struct {
    VTK_LIST_FIELDS

    Vector pos;            /* Camera location */
    Vector target;         /* Camera target */
    float  bank;           /* Banking angle (degrees) */
    float  lens;           /* Camera lens size (mm) */
    vtkCamera *aCamera;
} Camera;


/* Material list */
typedef struct {
    VTK_LIST_FIELDS

    int  external;         /* Externally defined material? */
} Material;


/* Object summary */
typedef struct {
    VTK_LIST_FIELDS

    Vector center;         /* Min value of object extents */
    Vector lengths;        /* Max value of object extents */
} Summary;


/* Material property */
typedef struct {
    VTK_LIST_FIELDS

    Colour ambient;
    Colour diffuse;
    Colour specular;
    float  shininess;
    float  transparency;
    float  reflection;
    int    self_illum;
    char   tex_map[40];
    float  tex_strength;
    char   bump_map[40];
    float  bump_strength;
    vtkProperty *aProperty;
} MatProp;



class vtkActor;
class vtkPolyDataMapper;
class vtkPolyDataNormals;
class vtkStripper;
class vtkPoints;
class vtkCellArray;
class vtkPolyData;

/* A mesh object */
typedef struct {
    VTK_LIST_FIELDS

    int  vertices;         /* Number of vertices */
    Vector *vertex;        /* List of object vertices */

    int  faces;            /* Number of faces */
    Face *face;            /* List of object faces */
    Material **mtl;        /* Materials for each face */

    int hidden;            /* Hidden flag */
    int shadow;            /* Shadow flag */
    vtkActor *anActor;
    vtkPolyDataMapper *aMapper;
    vtkPolyDataNormals *aNormals;
    vtkStripper *aStripper;
    vtkPoints *aPoints;
    vtkCellArray *aCellArray;
    vtkPolyData *aPolyData;
 
} Mesh;


typedef struct {
    dword start;
    dword end;
    dword length;
    word  tag;
} Chunk;


typedef struct {
    byte red;
    byte green;
    byte blue;
} Colour_24;

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