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 Unpublished-- rights reserved under the copyright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.
66 /* Rim, body, lid, and bottom data must be reflected in x
67 and y; handle and spout data across the y axis only. */
69 static long patchdata[][16] =
72 {102, 103, 104, 105, 4, 5, 6, 7, 8, 9, 10, 11,
75 {12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
77 {24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36,
80 {96, 96, 96, 96, 97, 98, 99, 100, 101, 101, 101,
82 {0, 1, 2, 3, 106, 107, 108, 109, 110, 111, 112,
83 113, 114, 115, 116, 117},
85 {118, 118, 118, 118, 124, 122, 119, 121, 123, 126,
86 125, 120, 40, 39, 38, 37},
88 {41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
90 {53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
93 {68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
95 {80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91,
100 static float cpdata[][3] =
102 {0.2, 0, 2.7}, {0.2, -0.112, 2.7}, {0.112, -0.2, 2.7}, {0,
103 -0.2, 2.7}, {1.3375, 0, 2.53125}, {1.3375, -0.749, 2.53125},
104 {0.749, -1.3375, 2.53125}, {0, -1.3375, 2.53125}, {1.4375,
105 0, 2.53125}, {1.4375, -0.805, 2.53125}, {0.805, -1.4375,
106 2.53125}, {0, -1.4375, 2.53125}, {1.5, 0, 2.4}, {1.5, -0.84,
107 2.4}, {0.84, -1.5, 2.4}, {0, -1.5, 2.4}, {1.75, 0, 1.875},
108 {1.75, -0.98, 1.875}, {0.98, -1.75, 1.875}, {0, -1.75,
109 1.875}, {2, 0, 1.35}, {2, -1.12, 1.35}, {1.12, -2, 1.35},
110 {0, -2, 1.35}, {2, 0, 0.9}, {2, -1.12, 0.9}, {1.12, -2,
111 0.9}, {0, -2, 0.9}, {-2, 0, 0.9}, {2, 0, 0.45}, {2, -1.12,
112 0.45}, {1.12, -2, 0.45}, {0, -2, 0.45}, {1.5, 0, 0.225},
113 {1.5, -0.84, 0.225}, {0.84, -1.5, 0.225}, {0, -1.5, 0.225},
114 {1.5, 0, 0.15}, {1.5, -0.84, 0.15}, {0.84, -1.5, 0.15}, {0,
115 -1.5, 0.15}, {-1.6, 0, 2.025}, {-1.6, -0.3, 2.025}, {-1.5,
116 -0.3, 2.25}, {-1.5, 0, 2.25}, {-2.3, 0, 2.025}, {-2.3, -0.3,
117 2.025}, {-2.5, -0.3, 2.25}, {-2.5, 0, 2.25}, {-2.7, 0,
118 2.025}, {-2.7, -0.3, 2.025}, {-3, -0.3, 2.25}, {-3, 0,
119 2.25}, {-2.7, 0, 1.8}, {-2.7, -0.3, 1.8}, {-3, -0.3, 1.8},
120 {-3, 0, 1.8}, {-2.7, 0, 1.575}, {-2.7, -0.3, 1.575}, {-3,
121 -0.3, 1.35}, {-3, 0, 1.35}, {-2.5, 0, 1.125}, {-2.5, -0.3,
122 1.125}, {-2.65, -0.3, 0.9375}, {-2.65, 0, 0.9375}, {-2,
123 -0.3, 0.9}, {-1.9, -0.3, 0.6}, {-1.9, 0, 0.6}, {1.7, 0,
124 1.425}, {1.7, -0.66, 1.425}, {1.7, -0.66, 0.6}, {1.7, 0,
125 0.6}, {2.6, 0, 1.425}, {2.6, -0.66, 1.425}, {3.1, -0.66,
126 0.825}, {3.1, 0, 0.825}, {2.3, 0, 2.1}, {2.3, -0.25, 2.1},
127 {2.4, -0.25, 2.025}, {2.4, 0, 2.025}, {2.7, 0, 2.4}, {2.7,
128 -0.25, 2.4}, {3.3, -0.25, 2.4}, {3.3, 0, 2.4}, {2.8, 0,
129 2.475}, {2.8, -0.25, 2.475}, {3.525, -0.25, 2.49375},
130 {3.525, 0, 2.49375}, {2.9, 0, 2.475}, {2.9, -0.15, 2.475},
131 {3.45, -0.15, 2.5125}, {3.45, 0, 2.5125}, {2.8, 0, 2.4},
132 {2.8, -0.15, 2.4}, {3.2, -0.15, 2.4}, {3.2, 0, 2.4}, {0, 0,
133 3.15}, {0.8, 0, 3.15}, {0.8, -0.45, 3.15}, {0.45, -0.8,
134 3.15}, {0, -0.8, 3.15}, {0, 0, 2.85}, {1.4, 0, 2.4}, {1.4,
135 -0.784, 2.4}, {0.784, -1.4, 2.4}, {0, -1.4, 2.4}, {0.4, 0,
136 2.55}, {0.4, -0.224, 2.55}, {0.224, -0.4, 2.55}, {0, -0.4,
137 2.55}, {1.3, 0, 2.55}, {1.3, -0.728, 2.55}, {0.728, -1.3,
138 2.55}, {0, -1.3, 2.55}, {1.3, 0, 2.4}, {1.3, -0.728, 2.4},
139 {0.728, -1.3, 2.4}, {0, -1.3, 2.4}, {0, 0, 0}, {1.425,
140 -0.798, 0}, {1.5, 0, 0.075}, {1.425, 0, 0}, {0.798, -1.425,
141 0}, {0, -1.5, 0.075}, {0, -1.425, 0}, {1.5, -0.84, 0.075},
145 static float tex[2][2][2] =
155 unit_teapot (int grid, int wire_p)
157 GLenum type = wire_p ? GL_LINE : GL_FILL;
158 float p[4][4][3], q[4][4][3], r[4][4][3], s[4][4][3];
162 glPushAttrib(GL_ENABLE_BIT | GL_EVAL_BIT);
163 glEnable(GL_AUTO_NORMAL);
164 glEnable(GL_NORMALIZE);
165 glEnable(GL_MAP2_VERTEX_3);
166 glEnable(GL_MAP2_TEXTURE_COORD_2);
169 glRotatef(270.0, 1.0, 0.0, 0.0);
170 glScalef(0.5, 0.5, 0.5);
171 glTranslatef(0.0, 0.0, -1.5);
172 for (i = 0; i < 10; i++) {
173 for (j = 0; j < 4; j++) {
174 for (k = 0; k < 4; k++) {
175 for (l = 0; l < 3; l++) {
176 p[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l];
177 q[j][k][l] = cpdata[patchdata[i][j * 4 + (3 - k)]][l];
182 cpdata[patchdata[i][j * 4 + (3 - k)]][l];
185 s[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l];
194 glMap2f(GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2, 0, 1, 4, 2,
196 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,
198 glMapGrid2f(grid, 0.0, 1.0, grid, 0.0, 1.0);
199 glEvalMesh2(type, 0, grid, 0, grid);
200 polys += grid*grid*2;
201 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,
203 glEvalMesh2(type, 0, grid, 0, grid);
204 polys += grid*grid*2;
206 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,
208 glEvalMesh2(type, 0, grid, 0, grid);
209 polys += grid*grid*2;
210 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,
212 glEvalMesh2(type, 0, grid, 0, grid);
213 polys += grid*grid*2;
222 #else /* !HAVE_GLMAP */
224 # include "normals.h"
225 # include "teapot2.h"
228 unit_teapot (int grid, int wire_p)
230 int polys = sizeof (teapot_triangles) / sizeof (*teapot_triangles) / 9;
232 const GLfloat *p = teapot_triangles;
233 GLfloat scale = 1 / 2.3;
236 glScalef (scale, scale, scale);
237 glTranslatef (0, -1.25, 0);
242 for (i = 0; i < polys; i++)
245 p1.x = *p++; p1.y = *p++; p1.z = *p++;
246 p2.x = *p++; p2.y = *p++; p2.z = *p++;
247 p3.x = *p++; p3.y = *p++; p3.z = *p++;
248 glVertex3f (p1.x, p1.y, p1.z); /* Draw 2 edges of each triangle */
249 glVertex3f (p2.x, p2.y, p2.z);
250 glVertex3f (p1.x, p1.y, p1.z);
251 glVertex3f (p3.x, p3.y, p3.z);
252 i++; /* Skip every other triangle */
260 glFrontFace (GL_CCW);
261 glBegin (GL_TRIANGLES);
262 for (i = 0; i < polys; i++)
265 p1.x = *p++; p1.y = *p++; p1.z = *p++;
266 p2.x = *p++; p2.y = *p++; p2.z = *p++;
267 p3.x = *p++; p3.y = *p++; p3.z = *p++;
268 do_normal (p1.x, p1.y, p1.z,
271 glVertex3f (p1.x, p1.y, p1.z);
272 glVertex3f (p2.x, p2.y, p2.z);
273 glVertex3f (p3.x, p3.y, p3.z);
282 #endif /* !HAVE_GLMAP */