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/* Copyright (c) Mark J. Kilgard, 1994. */

/**

(c) Copyright 1993, Silicon Graphics, Inc.

ALL RIGHTS RESERVED

Permission to use, copy, modify, and distribute this software

for any purpose and without fee is hereby granted, provided

that the above copyright notice appear in all copies and that

both the copyright notice and this permission notice appear in

supporting documentation, and that the name of Silicon

Graphics, Inc. not be used in advertising or publicity

pertaining to distribution of the software without specific,

written prior permission.

THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU

"AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR

OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  IN NO

EVENT SHALL SILICON GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE

ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL, INDIRECT OR

CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER,

INCLUDING WITHOUT LIMITATION, LOSS OF PROFIT, LOSS OF USE,

SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD PARTIES, WHETHER OR

NOT SILICON GRAPHICS, INC.  HAS BEEN ADVISED OF THE POSSIBILITY

OF SUCH LOSS, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

ARISING OUT OF OR IN CONNECTION WITH THE POSSESSION, USE OR

PERFORMANCE OF THIS SOFTWARE.

US Government Users Restricted Rights

Use, duplication, or disclosure by the Government is subject to

restrictions set forth in FAR 52.227.19(c)(2) or subparagraph

(c)(1)(ii) of the Rights in Technical Data and Computer

Software clause at DFARS 252.227-7013 and/or in similar or

successor clauses in the FAR or the DOD or NASA FAR

Supplement.  Unpublished-- rights reserved under the copyright

laws of the United States.  Contractor/manufacturer is Silicon

Graphics, Inc., 2011 N.  Shoreline Blvd., Mountain View, CA

94039-7311.

OpenGL(TM) is a trademark of Silicon Graphics, Inc.

*/

#include <GL/gl.h>

#include <GL/glu.h>

#include "GL/glut.h"

/* Rim, body, lid, and bottom data must be reflected in x and

   y; handle and spout data across the y axis only.  */

static int patchdata[][16] =

{

    /* rim */

  {102, 103, 104, 105, 4, 5, 6, 7, 8, 9, 10, 11,

    12, 13, 14, 15},

    /* body */

  {12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,

    24, 25, 26, 27},

  {24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36,

    37, 38, 39, 40},

    /* lid */

  {96, 96, 96, 96, 97, 98, 99, 100, 101, 101, 101,

    101, 0, 1, 2, 3,},

  {0, 1, 2, 3, 106, 107, 108, 109, 110, 111, 112,

    113, 114, 115, 116, 117},

    /* bottom */

  {118, 118, 118, 118, 124, 122, 119, 121, 123, 126,

    125, 120, 40, 39, 38, 37},

    /* handle */

  {41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,

    53, 54, 55, 56},

  {53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,

    28, 65, 66, 67},

    /* spout */

  {68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,

    80, 81, 82, 83},

  {80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91,

    92, 93, 94, 95}

};

/* *INDENT-OFF* */

static float cpdata[][3] =

{

    {0.2, 0, 2.7}, {0.2, -0.112, 2.7}, {0.112, -0.2, 2.7}, {0,

    -0.2, 2.7}, {1.3375, 0, 2.53125}, {1.3375, -0.749, 2.53125},

    {0.749, -1.3375, 2.53125}, {0, -1.3375, 2.53125}, {1.4375,

    0, 2.53125}, {1.4375, -0.805, 2.53125}, {0.805, -1.4375,

    2.53125}, {0, -1.4375, 2.53125}, {1.5, 0, 2.4}, {1.5, -0.84,

    2.4}, {0.84, -1.5, 2.4}, {0, -1.5, 2.4}, {1.75, 0, 1.875},

    {1.75, -0.98, 1.875}, {0.98, -1.75, 1.875}, {0, -1.75,

    1.875}, {2, 0, 1.35}, {2, -1.12, 1.35}, {1.12, -2, 1.35},

    {0, -2, 1.35}, {2, 0, 0.9}, {2, -1.12, 0.9}, {1.12, -2,

    0.9}, {0, -2, 0.9}, {-2, 0, 0.9}, {2, 0, 0.45}, {2, -1.12,

    0.45}, {1.12, -2, 0.45}, {0, -2, 0.45}, {1.5, 0, 0.225},

    {1.5, -0.84, 0.225}, {0.84, -1.5, 0.225}, {0, -1.5, 0.225},

    {1.5, 0, 0.15}, {1.5, -0.84, 0.15}, {0.84, -1.5, 0.15}, {0,

    -1.5, 0.15}, {-1.6, 0, 2.025}, {-1.6, -0.3, 2.025}, {-1.5,

    -0.3, 2.25}, {-1.5, 0, 2.25}, {-2.3, 0, 2.025}, {-2.3, -0.3,

    2.025}, {-2.5, -0.3, 2.25}, {-2.5, 0, 2.25}, {-2.7, 0,

    2.025}, {-2.7, -0.3, 2.025}, {-3, -0.3, 2.25}, {-3, 0,

    2.25}, {-2.7, 0, 1.8}, {-2.7, -0.3, 1.8}, {-3, -0.3, 1.8},

    {-3, 0, 1.8}, {-2.7, 0, 1.575}, {-2.7, -0.3, 1.575}, {-3,

    -0.3, 1.35}, {-3, 0, 1.35}, {-2.5, 0, 1.125}, {-2.5, -0.3,

    1.125}, {-2.65, -0.3, 0.9375}, {-2.65, 0, 0.9375}, {-2,

    -0.3, 0.9}, {-1.9, -0.3, 0.6}, {-1.9, 0, 0.6}, {1.7, 0,

    1.425}, {1.7, -0.66, 1.425}, {1.7, -0.66, 0.6}, {1.7, 0,

    0.6}, {2.6, 0, 1.425}, {2.6, -0.66, 1.425}, {3.1, -0.66,

    0.825}, {3.1, 0, 0.825}, {2.3, 0, 2.1}, {2.3, -0.25, 2.1},

    {2.4, -0.25, 2.025}, {2.4, 0, 2.025}, {2.7, 0, 2.4}, {2.7,

    -0.25, 2.4}, {3.3, -0.25, 2.4}, {3.3, 0, 2.4}, {2.8, 0,

    2.475}, {2.8, -0.25, 2.475}, {3.525, -0.25, 2.49375},

    {3.525, 0, 2.49375}, {2.9, 0, 2.475}, {2.9, -0.15, 2.475},

    {3.45, -0.15, 2.5125}, {3.45, 0, 2.5125}, {2.8, 0, 2.4},

    {2.8, -0.15, 2.4}, {3.2, -0.15, 2.4}, {3.2, 0, 2.4}, {0, 0,

    3.15}, {0.8, 0, 3.15}, {0.8, -0.45, 3.15}, {0.45, -0.8,

    3.15}, {0, -0.8, 3.15}, {0, 0, 2.85}, {1.4, 0, 2.4}, {1.4,

    -0.784, 2.4}, {0.784, -1.4, 2.4}, {0, -1.4, 2.4}, {0.4, 0,

    2.55}, {0.4, -0.224, 2.55}, {0.224, -0.4, 2.55}, {0, -0.4,

    2.55}, {1.3, 0, 2.55}, {1.3, -0.728, 2.55}, {0.728, -1.3,

    2.55}, {0, -1.3, 2.55}, {1.3, 0, 2.4}, {1.3, -0.728, 2.4},

    {0.728, -1.3, 2.4}, {0, -1.3, 2.4}, {0, 0, 0}, {1.425,

    -0.798, 0}, {1.5, 0, 0.075}, {1.425, 0, 0}, {0.798, -1.425,

    0}, {0, -1.5, 0.075}, {0, -1.425, 0}, {1.5, -0.84, 0.075},

    {0.84, -1.5, 0.075}

};

static float tex[2][2][2] =

{

  { {0, 0},

    {1, 0}},

  { {0, 1},

    {1, 1}}

};

/* *INDENT-ON* */

static void

teapot(GLint grid, GLdouble scale, GLenum type)

{

  float p[4][4][3], q[4][4][3], r[4][4][3], s[4][4][3];

  long i, j, k, l;

  glPushAttrib(GL_ENABLE_BIT | GL_EVAL_BIT);

  glEnable(GL_AUTO_NORMAL);

  glEnable(GL_NORMALIZE);

  glEnable(GL_MAP2_VERTEX_3);

  glEnable(GL_MAP2_TEXTURE_COORD_2);

  glPushMatrix();

  glRotatef(270.0, 1.0, 0.0, 0.0);

  glScalef(0.5 * scale, 0.5 * scale, 0.5 * scale);

  glTranslatef(0.0, 0.0, -1.5);

  for (i = 0; i < 10; i++) {

    for (j = 0; j < 4; j++) {

      for (k = 0; k < 4; k++) {

        for (l = 0; l < 3; l++) {

          p[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l];

          q[j][k][l] = cpdata[patchdata[i][j * 4 + (3 - k)]][l];

          if (l == 1)

            q[j][k][l] *= -1.0;

          if (i < 6) {

            r[j][k][l] =

              cpdata[patchdata[i][j * 4 + (3 - k)]][l];

            if (l == 0)

              r[j][k][l] *= -1.0;

            s[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l];

            if (l == 0)

              s[j][k][l] *= -1.0;

            if (l == 1)

              s[j][k][l] *= -1.0;

          }

        }

      }

    }

    glMap2f(GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2, 0, 1, 4, 2,

      &tex[0][0][0]);

    glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,

      &p[0][0][0]);

    glMapGrid2f(grid, 0.0, 1.0, grid, 0.0, 1.0);

    glEvalMesh2(type, 0, grid, 0, grid);

    glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,

      &q[0][0][0]);

    glEvalMesh2(type, 0, grid, 0, grid);

    if (i < 6) {

      glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,

        &r[0][0][0]);

      glEvalMesh2(type, 0, grid, 0, grid);

      glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,

        &s[0][0][0]);

      glEvalMesh2(type, 0, grid, 0, grid);

    }

  }

  glPopMatrix();

  glPopAttrib();

}

/* CENTRY */

void APIENTRY

glutSolidTeapot(GLdouble scale)

{

  teapot(7, scale, GL_FILL);

}

void APIENTRY

glutWireTeapot(GLdouble scale)

{

  teapot(10, scale, GL_LINE);

}

/* ENDCENTRY */