samples/opengl/penguin/lw.h

   1 /*
   2  * Copyright (C) 1998 Janne Löf <jlof@mail.student.oulu.fi>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the Free
  16  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18
  19
  20 #ifndef LW_H
  21 #define LW_H
  22
  23 #include <GL/gl.h>
  24
  25 #define LW_MAX_POINTS   200
  26 #define LW_MAX_NAME_LEN 500
  27
  28 typedef struct {
  29   char name[LW_MAX_NAME_LEN];
  30   GLfloat r,g,b;
  31 } lwMaterial;
  32
  33 typedef struct {
  34   int material;         /* material of this face */
  35   int index_cnt;        /* number of vertices */
  36   int *index;           /* index to vertex */
  37   float *texcoord;      /* u,v texture coordinates */
  38 } lwFace;
  39
  40 typedef struct {
  41   int face_cnt;
  42   lwFace *face;
  43
  44   int material_cnt;
  45   lwMaterial *material;
  46
  47   int vertex_cnt;
  48   GLfloat *vertex;
  49
  50 } lwObject;
  51
  52 #ifdef __cplusplus
  53 extern "C" {
  54 #endif
  55
  56 int       lw_is_lwobject(const char     *lw_file);
  57 lwObject *lw_object_read(const char     *lw_file);
  58 void      lw_object_free(      lwObject *lw_object);
  59 void      lw_object_show(const lwObject *lw_object);
  60
  61 GLfloat   lw_object_radius(const lwObject *lw_object);
  62 void      lw_object_scale (lwObject *lw_object, GLfloat scale);
  63
  64 #ifdef __cplusplus
  65 }
  66 #endif
  67
  68 #endif /* LW_H */
  69