1/* 2 * Copyright 1994-1997 Mark Kilgard, All rights reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * GPL licensing not permitted. 6 * 7 * Authors: 8 * Mark Kilgard 9 */ 10 11/** 12(c) Copyright 1993, Silicon Graphics, Inc. 13 14ALL RIGHTS RESERVED 15 16Permission to use, copy, modify, and distribute this software 17for any purpose and without fee is hereby granted, provided 18that the above copyright notice appear in all copies and that 19both the copyright notice and this permission notice appear in 20supporting documentation, and that the name of Silicon 21Graphics, Inc. not be used in advertising or publicity 22pertaining to distribution of the software without specific, 23written prior permission. 24 25THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU 26"AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR 27OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF 28MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO 29EVENT SHALL SILICON GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE 30ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL, INDIRECT OR 31CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER, 32INCLUDING WITHOUT LIMITATION, LOSS OF PROFIT, LOSS OF USE, 33SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD PARTIES, WHETHER OR 34NOT SILICON GRAPHICS, INC. HAS BEEN ADVISED OF THE POSSIBILITY 35OF SUCH LOSS, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 36ARISING OUT OF OR IN CONNECTION WITH THE POSSESSION, USE OR 37PERFORMANCE OF THIS SOFTWARE. 38 39US Government Users Restricted Rights 40 41Use, duplication, or disclosure by the Government is subject to 42restrictions set forth in FAR 52.227.19(c)(2) or subparagraph 43(c)(1)(ii) of the Rights in Technical Data and Computer 44Software clause at DFARS 252.227-7013 and/or in similar or 45successor clauses in the FAR or the DOD or NASA FAR 46Supplement. Unpublished-- rights reserved under the copyright 47laws of the United States. Contractor/manufacturer is Silicon 48Graphics, Inc., 2011 N. Shoreline Blvd., Mountain View, CA 4994039-7311. 50 51OpenGL(TM) is a trademark of Silicon Graphics, Inc. 52*/ 53 54 55#include "glutint.h" 56 57 58/* Rim, body, lid, and bottom data must be reflected in x and 59 y; handle and spout data across the y axis only. */ 60 61static int patchdata[][16] = 62{ 63 /* rim */ 64 {102, 103, 104, 105, 4, 5, 6, 7, 8, 9, 10, 11, 65 12, 13, 14, 15}, 66 /* body */ 67 {12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 68 24, 25, 26, 27}, 69 {24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36, 70 37, 38, 39, 40}, 71 /* lid */ 72 {96, 96, 96, 96, 97, 98, 99, 100, 101, 101, 101, 73 101, 0, 1, 2, 3,}, 74 {0, 1, 2, 3, 106, 107, 108, 109, 110, 111, 112, 75 113, 114, 115, 116, 117}, 76 /* bottom */ 77 {118, 118, 118, 118, 124, 122, 119, 121, 123, 126, 78 125, 120, 40, 39, 38, 37}, 79 /* handle */ 80 {41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 81 53, 54, 55, 56}, 82 {53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 83 28, 65, 66, 67}, 84 /* spout */ 85 {68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 86 80, 81, 82, 83}, 87 {80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 88 92, 93, 94, 95} 89}; 90/* *INDENT-OFF* */ 91 92static float cpdata[][3] = 93{ 94 {0.2, 0, 2.7}, {0.2, -0.112, 2.7}, {0.112, -0.2, 2.7}, {0, 95 -0.2, 2.7}, {1.3375, 0, 2.53125}, {1.3375, -0.749, 2.53125}, 96 {0.749, -1.3375, 2.53125}, {0, -1.3375, 2.53125}, {1.4375, 97 0, 2.53125}, {1.4375, -0.805, 2.53125}, {0.805, -1.4375, 98 2.53125}, {0, -1.4375, 2.53125}, {1.5, 0, 2.4}, {1.5, -0.84, 99 2.4}, {0.84, -1.5, 2.4}, {0, -1.5, 2.4}, {1.75, 0, 1.875}, 100 {1.75, -0.98, 1.875}, {0.98, -1.75, 1.875}, {0, -1.75, 101 1.875}, {2, 0, 1.35}, {2, -1.12, 1.35}, {1.12, -2, 1.35}, 102 {0, -2, 1.35}, {2, 0, 0.9}, {2, -1.12, 0.9}, {1.12, -2, 103 0.9}, {0, -2, 0.9}, {-2, 0, 0.9}, {2, 0, 0.45}, {2, -1.12, 104 0.45}, {1.12, -2, 0.45}, {0, -2, 0.45}, {1.5, 0, 0.225}, 105 {1.5, -0.84, 0.225}, {0.84, -1.5, 0.225}, {0, -1.5, 0.225}, 106 {1.5, 0, 0.15}, {1.5, -0.84, 0.15}, {0.84, -1.5, 0.15}, {0, 107 -1.5, 0.15}, {-1.6, 0, 2.025}, {-1.6, -0.3, 2.025}, {-1.5, 108 -0.3, 2.25}, {-1.5, 0, 2.25}, {-2.3, 0, 2.025}, {-2.3, -0.3, 109 2.025}, {-2.5, -0.3, 2.25}, {-2.5, 0, 2.25}, {-2.7, 0, 110 2.025}, {-2.7, -0.3, 2.025}, {-3, -0.3, 2.25}, {-3, 0, 111 2.25}, {-2.7, 0, 1.8}, {-2.7, -0.3, 1.8}, {-3, -0.3, 1.8}, 112 {-3, 0, 1.8}, {-2.7, 0, 1.575}, {-2.7, -0.3, 1.575}, {-3, 113 -0.3, 1.35}, {-3, 0, 1.35}, {-2.5, 0, 1.125}, {-2.5, -0.3, 114 1.125}, {-2.65, -0.3, 0.9375}, {-2.65, 0, 0.9375}, {-2, 115 -0.3, 0.9}, {-1.9, -0.3, 0.6}, {-1.9, 0, 0.6}, {1.7, 0, 116 1.425}, {1.7, -0.66, 1.425}, {1.7, -0.66, 0.6}, {1.7, 0, 117 0.6}, {2.6, 0, 1.425}, {2.6, -0.66, 1.425}, {3.1, -0.66, 118 0.825}, {3.1, 0, 0.825}, {2.3, 0, 2.1}, {2.3, -0.25, 2.1}, 119 {2.4, -0.25, 2.025}, {2.4, 0, 2.025}, {2.7, 0, 2.4}, {2.7, 120 -0.25, 2.4}, {3.3, -0.25, 2.4}, {3.3, 0, 2.4}, {2.8, 0, 121 2.475}, {2.8, -0.25, 2.475}, {3.525, -0.25, 2.49375}, 122 {3.525, 0, 2.49375}, {2.9, 0, 2.475}, {2.9, -0.15, 2.475}, 123 {3.45, -0.15, 2.5125}, {3.45, 0, 2.5125}, {2.8, 0, 2.4}, 124 {2.8, -0.15, 2.4}, {3.2, -0.15, 2.4}, {3.2, 0, 2.4}, {0, 0, 125 3.15}, {0.8, 0, 3.15}, {0.8, -0.45, 3.15}, {0.45, -0.8, 126 3.15}, {0, -0.8, 3.15}, {0, 0, 2.85}, {1.4, 0, 2.4}, {1.4, 127 -0.784, 2.4}, {0.784, -1.4, 2.4}, {0, -1.4, 2.4}, {0.4, 0, 128 2.55}, {0.4, -0.224, 2.55}, {0.224, -0.4, 2.55}, {0, -0.4, 129 2.55}, {1.3, 0, 2.55}, {1.3, -0.728, 2.55}, {0.728, -1.3, 130 2.55}, {0, -1.3, 2.55}, {1.3, 0, 2.4}, {1.3, -0.728, 2.4}, 131 {0.728, -1.3, 2.4}, {0, -1.3, 2.4}, {0, 0, 0}, {1.425, 132 -0.798, 0}, {1.5, 0, 0.075}, {1.425, 0, 0}, {0.798, -1.425, 133 0}, {0, -1.5, 0.075}, {0, -1.425, 0}, {1.5, -0.84, 0.075}, 134 {0.84, -1.5, 0.075} 135}; 136 137static float tex[2][2][2] = 138{ 139 { {0, 0}, 140 {1, 0}}, 141 { {0, 1}, 142 {1, 1}} 143}; 144 145/* *INDENT-ON* */ 146 147static void 148teapot(GLint grid, GLdouble scale, GLenum type) 149{ 150 float p[4][4][3], q[4][4][3], r[4][4][3], s[4][4][3]; 151 long i, j, k, l; 152 153 glPushAttrib(GL_ENABLE_BIT | GL_EVAL_BIT); 154 glEnable(GL_AUTO_NORMAL); 155 glEnable(GL_NORMALIZE); 156 glEnable(GL_MAP2_VERTEX_3); 157 glEnable(GL_MAP2_TEXTURE_COORD_2); 158 glPushMatrix(); 159 glRotatef(270.0, 1.0, 0.0, 0.0); 160 glScalef(0.5 * scale, 0.5 * scale, 0.5 * scale); 161 glTranslatef(0.0, 0.0, -1.5); 162 for (i = 0; i < 10; i++) { 163 for (j = 0; j < 4; j++) { 164 for (k = 0; k < 4; k++) { 165 for (l = 0; l < 3; l++) { 166 p[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l]; 167 q[j][k][l] = cpdata[patchdata[i][j * 4 + (3 - k)]][l]; 168 if (l == 1) 169 q[j][k][l] *= -1.0; 170 if (i < 6) { 171 r[j][k][l] = 172 cpdata[patchdata[i][j * 4 + (3 - k)]][l]; 173 if (l == 0) 174 r[j][k][l] *= -1.0; 175 s[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l]; 176 if (l == 0) 177 s[j][k][l] *= -1.0; 178 if (l == 1) 179 s[j][k][l] *= -1.0; 180 } 181 } 182 } 183 } 184 glMap2f(GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2, 0, 1, 4, 2, 185 &tex[0][0][0]); 186 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, 187 &p[0][0][0]); 188 glMapGrid2f(grid, 0.0, 1.0, grid, 0.0, 1.0); 189 glEvalMesh2(type, 0, grid, 0, grid); 190 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, 191 &q[0][0][0]); 192 glEvalMesh2(type, 0, grid, 0, grid); 193 if (i < 6) { 194 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, 195 &r[0][0][0]); 196 glEvalMesh2(type, 0, grid, 0, grid); 197 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, 198 &s[0][0][0]); 199 glEvalMesh2(type, 0, grid, 0, grid); 200 } 201 } 202 glPopMatrix(); 203 glPopAttrib(); 204} 205 206/* CENTRY */ 207void APIENTRY 208glutSolidTeapot(GLdouble scale) 209{ 210 teapot(14, scale, GL_FILL); 211} 212 213void APIENTRY 214glutWireTeapot(GLdouble scale) 215{ 216 teapot(10, scale, GL_LINE); 217} 218 219/* ENDCENTRY */ 220