1 /* 2 * Copyright 1994-1997 Mark Kilgard, All rights reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Mark Kilgard 7 */ 8 9 /** 10 (c) Copyright 1993, Silicon Graphics, Inc. 11 12 ALL RIGHTS RESERVED 13 14 Permission to use, copy, modify, and distribute this software 15 for any purpose and without fee is hereby granted, provided 16 that the above copyright notice appear in all copies and that 17 both the copyright notice and this permission notice appear in 18 supporting documentation, and that the name of Silicon 19 Graphics, Inc. not be used in advertising or publicity 20 pertaining to distribution of the software without specific, 21 written prior permission. 22 23 THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU 24 "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR 25 OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF 26 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO 27 EVENT SHALL SILICON GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE 28 ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL, INDIRECT OR 29 CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER, 30 INCLUDING WITHOUT LIMITATION, LOSS OF PROFIT, LOSS OF USE, 31 SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD PARTIES, WHETHER OR 32 NOT SILICON GRAPHICS, INC. HAS BEEN ADVISED OF THE POSSIBILITY 33 OF SUCH LOSS, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 34 ARISING OUT OF OR IN CONNECTION WITH THE POSSESSION, USE OR 35 PERFORMANCE OF THIS SOFTWARE. 36 37 US Government Users Restricted Rights 38 39 Use, duplication, or disclosure by the Government is subject to 40 restrictions set forth in FAR 52.227.19(c)(2) or subparagraph 41 (c)(1)(ii) of the Rights in Technical Data and Computer 42 Software clause at DFARS 252.227-7013 and/or in similar or 43 successor clauses in the FAR or the DOD or NASA FAR 44 Supplement. Unpublished-- rights reserved under the copyright 45 laws of the United States. Contractor/manufacturer is Silicon 46 Graphics, Inc., 2011 N. Shoreline Blvd., Mountain View, CA 47 94039-7311. 48 49 OpenGL(TM) is a trademark of Silicon Graphics, Inc. 50 */ 51 52 53 #include "glutint.h" 54 55 56 /* Rim, body, lid, and bottom data must be reflected in x and 57 y; handle and spout data across the y axis only. */ 58 59 static int patchdata[][16] = 60 { 61 /* rim */ 62 {102, 103, 104, 105, 4, 5, 6, 7, 8, 9, 10, 11, 63 12, 13, 14, 15}, 64 /* body */ 65 {12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 66 24, 25, 26, 27}, 67 {24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36, 68 37, 38, 39, 40}, 69 /* lid */ 70 {96, 96, 96, 96, 97, 98, 99, 100, 101, 101, 101, 71 101, 0, 1, 2, 3,}, 72 {0, 1, 2, 3, 106, 107, 108, 109, 110, 111, 112, 73 113, 114, 115, 116, 117}, 74 /* bottom */ 75 {118, 118, 118, 118, 124, 122, 119, 121, 123, 126, 76 125, 120, 40, 39, 38, 37}, 77 /* handle */ 78 {41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 79 53, 54, 55, 56}, 80 {53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 81 28, 65, 66, 67}, 82 /* spout */ 83 {68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 84 80, 81, 82, 83}, 85 {80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 86 92, 93, 94, 95} 87 }; 88 /* *INDENT-OFF* */ 89 90 static float cpdata[][3] = 91 { 92 {0.2, 0, 2.7}, {0.2, -0.112, 2.7}, {0.112, -0.2, 2.7}, {0, 93 -0.2, 2.7}, {1.3375, 0, 2.53125}, {1.3375, -0.749, 2.53125}, 94 {0.749, -1.3375, 2.53125}, {0, -1.3375, 2.53125}, {1.4375, 95 0, 2.53125}, {1.4375, -0.805, 2.53125}, {0.805, -1.4375, 96 2.53125}, {0, -1.4375, 2.53125}, {1.5, 0, 2.4}, {1.5, -0.84, 97 2.4}, {0.84, -1.5, 2.4}, {0, -1.5, 2.4}, {1.75, 0, 1.875}, 98 {1.75, -0.98, 1.875}, {0.98, -1.75, 1.875}, {0, -1.75, 99 1.875}, {2, 0, 1.35}, {2, -1.12, 1.35}, {1.12, -2, 1.35}, 100 {0, -2, 1.35}, {2, 0, 0.9}, {2, -1.12, 0.9}, {1.12, -2, 101 0.9}, {0, -2, 0.9}, {-2, 0, 0.9}, {2, 0, 0.45}, {2, -1.12, 102 0.45}, {1.12, -2, 0.45}, {0, -2, 0.45}, {1.5, 0, 0.225}, 103 {1.5, -0.84, 0.225}, {0.84, -1.5, 0.225}, {0, -1.5, 0.225}, 104 {1.5, 0, 0.15}, {1.5, -0.84, 0.15}, {0.84, -1.5, 0.15}, {0, 105 -1.5, 0.15}, {-1.6, 0, 2.025}, {-1.6, -0.3, 2.025}, {-1.5, 106 -0.3, 2.25}, {-1.5, 0, 2.25}, {-2.3, 0, 2.025}, {-2.3, -0.3, 107 2.025}, {-2.5, -0.3, 2.25}, {-2.5, 0, 2.25}, {-2.7, 0, 108 2.025}, {-2.7, -0.3, 2.025}, {-3, -0.3, 2.25}, {-3, 0, 109 2.25}, {-2.7, 0, 1.8}, {-2.7, -0.3, 1.8}, {-3, -0.3, 1.8}, 110 {-3, 0, 1.8}, {-2.7, 0, 1.575}, {-2.7, -0.3, 1.575}, {-3, 111 -0.3, 1.35}, {-3, 0, 1.35}, {-2.5, 0, 1.125}, {-2.5, -0.3, 112 1.125}, {-2.65, -0.3, 0.9375}, {-2.65, 0, 0.9375}, {-2, 113 -0.3, 0.9}, {-1.9, -0.3, 0.6}, {-1.9, 0, 0.6}, {1.7, 0, 114 1.425}, {1.7, -0.66, 1.425}, {1.7, -0.66, 0.6}, {1.7, 0, 115 0.6}, {2.6, 0, 1.425}, {2.6, -0.66, 1.425}, {3.1, -0.66, 116 0.825}, {3.1, 0, 0.825}, {2.3, 0, 2.1}, {2.3, -0.25, 2.1}, 117 {2.4, -0.25, 2.025}, {2.4, 0, 2.025}, {2.7, 0, 2.4}, {2.7, 118 -0.25, 2.4}, {3.3, -0.25, 2.4}, {3.3, 0, 2.4}, {2.8, 0, 119 2.475}, {2.8, -0.25, 2.475}, {3.525, -0.25, 2.49375}, 120 {3.525, 0, 2.49375}, {2.9, 0, 2.475}, {2.9, -0.15, 2.475}, 121 {3.45, -0.15, 2.5125}, {3.45, 0, 2.5125}, {2.8, 0, 2.4}, 122 {2.8, -0.15, 2.4}, {3.2, -0.15, 2.4}, {3.2, 0, 2.4}, {0, 0, 123 3.15}, {0.8, 0, 3.15}, {0.8, -0.45, 3.15}, {0.45, -0.8, 124 3.15}, {0, -0.8, 3.15}, {0, 0, 2.85}, {1.4, 0, 2.4}, {1.4, 125 -0.784, 2.4}, {0.784, -1.4, 2.4}, {0, -1.4, 2.4}, {0.4, 0, 126 2.55}, {0.4, -0.224, 2.55}, {0.224, -0.4, 2.55}, {0, -0.4, 127 2.55}, {1.3, 0, 2.55}, {1.3, -0.728, 2.55}, {0.728, -1.3, 128 2.55}, {0, -1.3, 2.55}, {1.3, 0, 2.4}, {1.3, -0.728, 2.4}, 129 {0.728, -1.3, 2.4}, {0, -1.3, 2.4}, {0, 0, 0}, {1.425, 130 -0.798, 0}, {1.5, 0, 0.075}, {1.425, 0, 0}, {0.798, -1.425, 131 0}, {0, -1.5, 0.075}, {0, -1.425, 0}, {1.5, -0.84, 0.075}, 132 {0.84, -1.5, 0.075} 133 }; 134 135 static float tex[2][2][2] = 136 { 137 { {0, 0}, 138 {1, 0}}, 139 { {0, 1}, 140 {1, 1}} 141 }; 142 143 /* *INDENT-ON* */ 144 145 static void 146 teapot(GLint grid, GLdouble scale, GLenum type) 147 { 148 float p[4][4][3], q[4][4][3], r[4][4][3], s[4][4][3]; 149 long i, j, k, l; 150 151 glPushAttrib(GL_ENABLE_BIT | GL_EVAL_BIT); 152 glEnable(GL_AUTO_NORMAL); 153 glEnable(GL_NORMALIZE); 154 glEnable(GL_MAP2_VERTEX_3); 155 glEnable(GL_MAP2_TEXTURE_COORD_2); 156 glPushMatrix(); 157 glRotatef(270.0, 1.0, 0.0, 0.0); 158 glScalef(0.5 * scale, 0.5 * scale, 0.5 * scale); 159 glTranslatef(0.0, 0.0, -1.5); 160 for (i = 0; i < 10; i++) { 161 for (j = 0; j < 4; j++) { 162 for (k = 0; k < 4; k++) { 163 for (l = 0; l < 3; l++) { 164 p[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l]; 165 q[j][k][l] = cpdata[patchdata[i][j * 4 + (3 - k)]][l]; 166 if (l == 1) 167 q[j][k][l] *= -1.0; 168 if (i < 6) { 169 r[j][k][l] = 170 cpdata[patchdata[i][j * 4 + (3 - k)]][l]; 171 if (l == 0) 172 r[j][k][l] *= -1.0; 173 s[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l]; 174 if (l == 0) 175 s[j][k][l] *= -1.0; 176 if (l == 1) 177 s[j][k][l] *= -1.0; 178 } 179 } 180 } 181 } 182 glMap2f(GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2, 0, 1, 4, 2, 183 &tex[0][0][0]); 184 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, 185 &p[0][0][0]); 186 glMapGrid2f(grid, 0.0, 1.0, grid, 0.0, 1.0); 187 glEvalMesh2(type, 0, grid, 0, grid); 188 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, 189 &q[0][0][0]); 190 glEvalMesh2(type, 0, grid, 0, grid); 191 if (i < 6) { 192 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, 193 &r[0][0][0]); 194 glEvalMesh2(type, 0, grid, 0, grid); 195 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, 196 &s[0][0][0]); 197 glEvalMesh2(type, 0, grid, 0, grid); 198 } 199 } 200 glPopMatrix(); 201 glPopAttrib(); 202 } 203 204 /* CENTRY */ 205 void APIENTRY 206 glutSolidTeapot(GLdouble scale) 207 { 208 teapot(14, scale, GL_FILL); 209 } 210 211 void APIENTRY 212 glutWireTeapot(GLdouble scale) 213 { 214 teapot(10, scale, GL_LINE); 215 } 216 217 /* ENDCENTRY */ 218