glut_teapot.c
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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 Unpublished-- rights reserved under the copyright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 "glutint.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 */