2 /* Copyright (c) Mark J. Kilgard, 1994. */
5 (c) Copyright 1993, Silicon Graphics, Inc.
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.
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.
32 US Government Users Restricted Rights
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 Unpublished-- rights reserved under the copyright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
44 OpenGL(TM) is a trademark of Silicon Graphics, Inc.
69 /* Rim, body, lid, and bottom data must be reflected in x
70 and y; handle and spout data across the y axis only. */
72 static long patchdata[][16] =
75 {102, 103, 104, 105, 4, 5, 6, 7, 8, 9, 10, 11,
78 {12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
80 {24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36,
83 {96, 96, 96, 96, 97, 98, 99, 100, 101, 101, 101,
85 {0, 1, 2, 3, 106, 107, 108, 109, 110, 111, 112,
86 113, 114, 115, 116, 117},
88 {118, 118, 118, 118, 124, 122, 119, 121, 123, 126,
89 125, 120, 40, 39, 38, 37},
91 {41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
93 {53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
96 {68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
98 {80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91,
103 static float cpdata[][3] =
105 {0.2, 0, 2.7}, {0.2, -0.112, 2.7}, {0.112, -0.2, 2.7}, {0,
106 -0.2, 2.7}, {1.3375, 0, 2.53125}, {1.3375, -0.749, 2.53125},
107 {0.749, -1.3375, 2.53125}, {0, -1.3375, 2.53125}, {1.4375,
108 0, 2.53125}, {1.4375, -0.805, 2.53125}, {0.805, -1.4375,
109 2.53125}, {0, -1.4375, 2.53125}, {1.5, 0, 2.4}, {1.5, -0.84,
110 2.4}, {0.84, -1.5, 2.4}, {0, -1.5, 2.4}, {1.75, 0, 1.875},
111 {1.75, -0.98, 1.875}, {0.98, -1.75, 1.875}, {0, -1.75,
112 1.875}, {2, 0, 1.35}, {2, -1.12, 1.35}, {1.12, -2, 1.35},
113 {0, -2, 1.35}, {2, 0, 0.9}, {2, -1.12, 0.9}, {1.12, -2,
114 0.9}, {0, -2, 0.9}, {-2, 0, 0.9}, {2, 0, 0.45}, {2, -1.12,
115 0.45}, {1.12, -2, 0.45}, {0, -2, 0.45}, {1.5, 0, 0.225},
116 {1.5, -0.84, 0.225}, {0.84, -1.5, 0.225}, {0, -1.5, 0.225},
117 {1.5, 0, 0.15}, {1.5, -0.84, 0.15}, {0.84, -1.5, 0.15}, {0,
118 -1.5, 0.15}, {-1.6, 0, 2.025}, {-1.6, -0.3, 2.025}, {-1.5,
119 -0.3, 2.25}, {-1.5, 0, 2.25}, {-2.3, 0, 2.025}, {-2.3, -0.3,
120 2.025}, {-2.5, -0.3, 2.25}, {-2.5, 0, 2.25}, {-2.7, 0,
121 2.025}, {-2.7, -0.3, 2.025}, {-3, -0.3, 2.25}, {-3, 0,
122 2.25}, {-2.7, 0, 1.8}, {-2.7, -0.3, 1.8}, {-3, -0.3, 1.8},
123 {-3, 0, 1.8}, {-2.7, 0, 1.575}, {-2.7, -0.3, 1.575}, {-3,
124 -0.3, 1.35}, {-3, 0, 1.35}, {-2.5, 0, 1.125}, {-2.5, -0.3,
125 1.125}, {-2.65, -0.3, 0.9375}, {-2.65, 0, 0.9375}, {-2,
126 -0.3, 0.9}, {-1.9, -0.3, 0.6}, {-1.9, 0, 0.6}, {1.7, 0,
127 1.425}, {1.7, -0.66, 1.425}, {1.7, -0.66, 0.6}, {1.7, 0,
128 0.6}, {2.6, 0, 1.425}, {2.6, -0.66, 1.425}, {3.1, -0.66,
129 0.825}, {3.1, 0, 0.825}, {2.3, 0, 2.1}, {2.3, -0.25, 2.1},
130 {2.4, -0.25, 2.025}, {2.4, 0, 2.025}, {2.7, 0, 2.4}, {2.7,
131 -0.25, 2.4}, {3.3, -0.25, 2.4}, {3.3, 0, 2.4}, {2.8, 0,
132 2.475}, {2.8, -0.25, 2.475}, {3.525, -0.25, 2.49375},
133 {3.525, 0, 2.49375}, {2.9, 0, 2.475}, {2.9, -0.15, 2.475},
134 {3.45, -0.15, 2.5125}, {3.45, 0, 2.5125}, {2.8, 0, 2.4},
135 {2.8, -0.15, 2.4}, {3.2, -0.15, 2.4}, {3.2, 0, 2.4}, {0, 0,
136 3.15}, {0.8, 0, 3.15}, {0.8, -0.45, 3.15}, {0.45, -0.8,
137 3.15}, {0, -0.8, 3.15}, {0, 0, 2.85}, {1.4, 0, 2.4}, {1.4,
138 -0.784, 2.4}, {0.784, -1.4, 2.4}, {0, -1.4, 2.4}, {0.4, 0,
139 2.55}, {0.4, -0.224, 2.55}, {0.224, -0.4, 2.55}, {0, -0.4,
140 2.55}, {1.3, 0, 2.55}, {1.3, -0.728, 2.55}, {0.728, -1.3,
141 2.55}, {0, -1.3, 2.55}, {1.3, 0, 2.4}, {1.3, -0.728, 2.4},
142 {0.728, -1.3, 2.4}, {0, -1.3, 2.4}, {0, 0, 0}, {1.425,
143 -0.798, 0}, {1.5, 0, 0.075}, {1.425, 0, 0}, {0.798, -1.425,
144 0}, {0, -1.5, 0.075}, {0, -1.425, 0}, {1.5, -0.84, 0.075},
148 static float tex[2][2][2] =
158 unit_teapot (int grid, int wire_p)
160 GLenum type = wire_p ? GL_LINE : GL_FILL;
161 float p[4][4][3], q[4][4][3], r[4][4][3], s[4][4][3];
165 glPushAttrib(GL_ENABLE_BIT | GL_EVAL_BIT);
166 glEnable(GL_AUTO_NORMAL);
167 glEnable(GL_NORMALIZE);
168 glEnable(GL_MAP2_VERTEX_3);
169 glEnable(GL_MAP2_TEXTURE_COORD_2);
172 glRotatef(270.0, 1.0, 0.0, 0.0);
173 glScalef(0.5, 0.5, 0.5);
174 glTranslatef(0.0, 0.0, -1.5);
175 for (i = 0; i < 10; i++) {
176 for (j = 0; j < 4; j++) {
177 for (k = 0; k < 4; k++) {
178 for (l = 0; l < 3; l++) {
179 p[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l];
180 q[j][k][l] = cpdata[patchdata[i][j * 4 + (3 - k)]][l];
185 cpdata[patchdata[i][j * 4 + (3 - k)]][l];
188 s[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l];
197 glMap2f(GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2, 0, 1, 4, 2,
199 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,
201 glMapGrid2f(grid, 0.0, 1.0, grid, 0.0, 1.0);
202 glEvalMesh2(type, 0, grid, 0, grid);
203 polys += grid*grid*2;
204 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,
206 glEvalMesh2(type, 0, grid, 0, grid);
207 polys += grid*grid*2;
209 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,
211 glEvalMesh2(type, 0, grid, 0, grid);
212 polys += grid*grid*2;
213 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,
215 glEvalMesh2(type, 0, grid, 0, grid);
216 polys += grid*grid*2;
225 #else /* !HAVE_GLMAP */
227 # include "normals.h"
228 # include "teapot2.h"
231 unit_teapot (int grid, int wire_p)
233 int polys = sizeof (teapot_triangles) / sizeof (*teapot_triangles) / 9;
235 const GLfloat *p = teapot_triangles;
236 GLfloat scale = 1 / 2.3;
239 glScalef (scale, scale, scale);
240 glTranslatef (0, -1.25, 0);
245 for (i = 0; i < polys; i++)
248 p1.x = *p++; p1.y = *p++; p1.z = *p++;
249 p2.x = *p++; p2.y = *p++; p2.z = *p++;
250 p3.x = *p++; p3.y = *p++; p3.z = *p++;
251 glVertex3f (p1.x, p1.y, p1.z); /* Draw 2 edges of each triangle */
252 glVertex3f (p2.x, p2.y, p2.z);
253 glVertex3f (p1.x, p1.y, p1.z);
254 glVertex3f (p3.x, p3.y, p3.z);
255 i++; /* Skip every other triangle */
263 glFrontFace (GL_CCW);
264 glBegin (GL_TRIANGLES);
265 for (i = 0; i < polys; i++)
268 p1.x = *p++; p1.y = *p++; p1.z = *p++;
269 p2.x = *p++; p2.y = *p++; p2.z = *p++;
270 p3.x = *p++; p3.y = *p++; p3.z = *p++;
271 do_normal (p1.x, p1.y, p1.z,
274 glVertex3f (p1.x, p1.y, p1.z);
275 glVertex3f (p2.x, p2.y, p2.z);
276 glVertex3f (p3.x, p3.y, p3.z);
285 #endif /* !HAVE_GLMAP */