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 Unpublished-- rights reserved under the copyright 40 laws of the United States.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