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 Unpublished-- rights reserved under the copyright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.
47 #include "screenhackI.h"
57 /* Rim, body, lid, and bottom data must be reflected in x
58 and y; handle and spout data across the y axis only. */
60 static long patchdata[][16] =
63 {102, 103, 104, 105, 4, 5, 6, 7, 8, 9, 10, 11,
66 {12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
68 {24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36,
71 {96, 96, 96, 96, 97, 98, 99, 100, 101, 101, 101,
73 {0, 1, 2, 3, 106, 107, 108, 109, 110, 111, 112,
74 113, 114, 115, 116, 117},
76 {118, 118, 118, 118, 124, 122, 119, 121, 123, 126,
77 125, 120, 40, 39, 38, 37},
79 {41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
81 {53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
84 {68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
86 {80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91,
91 static float cpdata[][3] =
93 {0.2, 0, 2.7}, {0.2, -0.112, 2.7}, {0.112, -0.2, 2.7}, {0,
94 -0.2, 2.7}, {1.3375, 0, 2.53125}, {1.3375, -0.749, 2.53125},
95 {0.749, -1.3375, 2.53125}, {0, -1.3375, 2.53125}, {1.4375,
96 0, 2.53125}, {1.4375, -0.805, 2.53125}, {0.805, -1.4375,
97 2.53125}, {0, -1.4375, 2.53125}, {1.5, 0, 2.4}, {1.5, -0.84,
98 2.4}, {0.84, -1.5, 2.4}, {0, -1.5, 2.4}, {1.75, 0, 1.875},
99 {1.75, -0.98, 1.875}, {0.98, -1.75, 1.875}, {0, -1.75,
100 1.875}, {2, 0, 1.35}, {2, -1.12, 1.35}, {1.12, -2, 1.35},
101 {0, -2, 1.35}, {2, 0, 0.9}, {2, -1.12, 0.9}, {1.12, -2,
102 0.9}, {0, -2, 0.9}, {-2, 0, 0.9}, {2, 0, 0.45}, {2, -1.12,
103 0.45}, {1.12, -2, 0.45}, {0, -2, 0.45}, {1.5, 0, 0.225},
104 {1.5, -0.84, 0.225}, {0.84, -1.5, 0.225}, {0, -1.5, 0.225},
105 {1.5, 0, 0.15}, {1.5, -0.84, 0.15}, {0.84, -1.5, 0.15}, {0,
106 -1.5, 0.15}, {-1.6, 0, 2.025}, {-1.6, -0.3, 2.025}, {-1.5,
107 -0.3, 2.25}, {-1.5, 0, 2.25}, {-2.3, 0, 2.025}, {-2.3, -0.3,
108 2.025}, {-2.5, -0.3, 2.25}, {-2.5, 0, 2.25}, {-2.7, 0,
109 2.025}, {-2.7, -0.3, 2.025}, {-3, -0.3, 2.25}, {-3, 0,
110 2.25}, {-2.7, 0, 1.8}, {-2.7, -0.3, 1.8}, {-3, -0.3, 1.8},
111 {-3, 0, 1.8}, {-2.7, 0, 1.575}, {-2.7, -0.3, 1.575}, {-3,
112 -0.3, 1.35}, {-3, 0, 1.35}, {-2.5, 0, 1.125}, {-2.5, -0.3,
113 1.125}, {-2.65, -0.3, 0.9375}, {-2.65, 0, 0.9375}, {-2,
114 -0.3, 0.9}, {-1.9, -0.3, 0.6}, {-1.9, 0, 0.6}, {1.7, 0,
115 1.425}, {1.7, -0.66, 1.425}, {1.7, -0.66, 0.6}, {1.7, 0,
116 0.6}, {2.6, 0, 1.425}, {2.6, -0.66, 1.425}, {3.1, -0.66,
117 0.825}, {3.1, 0, 0.825}, {2.3, 0, 2.1}, {2.3, -0.25, 2.1},
118 {2.4, -0.25, 2.025}, {2.4, 0, 2.025}, {2.7, 0, 2.4}, {2.7,
119 -0.25, 2.4}, {3.3, -0.25, 2.4}, {3.3, 0, 2.4}, {2.8, 0,
120 2.475}, {2.8, -0.25, 2.475}, {3.525, -0.25, 2.49375},
121 {3.525, 0, 2.49375}, {2.9, 0, 2.475}, {2.9, -0.15, 2.475},
122 {3.45, -0.15, 2.5125}, {3.45, 0, 2.5125}, {2.8, 0, 2.4},
123 {2.8, -0.15, 2.4}, {3.2, -0.15, 2.4}, {3.2, 0, 2.4}, {0, 0,
124 3.15}, {0.8, 0, 3.15}, {0.8, -0.45, 3.15}, {0.45, -0.8,
125 3.15}, {0, -0.8, 3.15}, {0, 0, 2.85}, {1.4, 0, 2.4}, {1.4,
126 -0.784, 2.4}, {0.784, -1.4, 2.4}, {0, -1.4, 2.4}, {0.4, 0,
127 2.55}, {0.4, -0.224, 2.55}, {0.224, -0.4, 2.55}, {0, -0.4,
128 2.55}, {1.3, 0, 2.55}, {1.3, -0.728, 2.55}, {0.728, -1.3,
129 2.55}, {0, -1.3, 2.55}, {1.3, 0, 2.4}, {1.3, -0.728, 2.4},
130 {0.728, -1.3, 2.4}, {0, -1.3, 2.4}, {0, 0, 0}, {1.425,
131 -0.798, 0}, {1.5, 0, 0.075}, {1.425, 0, 0}, {0.798, -1.425,
132 0}, {0, -1.5, 0.075}, {0, -1.425, 0}, {1.5, -0.84, 0.075},
136 static float tex[2][2][2] =
146 unit_teapot (int grid, int wire_p)
148 GLenum type = wire_p ? GL_LINE : GL_FILL;
149 float p[4][4][3], q[4][4][3], r[4][4][3], s[4][4][3];
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);
160 glRotatef(270.0, 1.0, 0.0, 0.0);
161 glScalef(0.5, 0.5, 0.5);
162 glTranslatef(0.0, 0.0, -1.5);
163 for (i = 0; i < 10; i++) {
164 for (j = 0; j < 4; j++) {
165 for (k = 0; k < 4; k++) {
166 for (l = 0; l < 3; l++) {
167 p[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l];
168 q[j][k][l] = cpdata[patchdata[i][j * 4 + (3 - k)]][l];
173 cpdata[patchdata[i][j * 4 + (3 - k)]][l];
176 s[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l];
185 glMap2f(GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2, 0, 1, 4, 2,
187 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,
189 glMapGrid2f(grid, 0.0, 1.0, grid, 0.0, 1.0);
190 glEvalMesh2(type, 0, grid, 0, grid);
191 polys += grid*grid*2;
192 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,
194 glEvalMesh2(type, 0, grid, 0, grid);
195 polys += grid*grid*2;
197 glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4,
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;
213 #else /* !HAVE_GLMAP */
215 # include "normals.h"
216 # include "teapot2.h"
219 unit_teapot (int grid, int wire_p)
221 int polys = sizeof (teapot_triangles) / sizeof (*teapot_triangles) / 9;
223 const GLfloat *p = teapot_triangles;
224 GLfloat scale = 1 / 2.3;
227 glScalef (scale, scale, scale);
228 glTranslatef (0, -1.25, 0);
233 for (i = 0; i < polys; i++)
236 p1.x = *p++; p1.y = *p++; p1.z = *p++;
237 p2.x = *p++; p2.y = *p++; p2.z = *p++;
238 p3.x = *p++; p3.y = *p++; p3.z = *p++;
239 glVertex3f (p1.x, p1.y, p1.z); /* Draw 2 edges of each triangle */
240 glVertex3f (p2.x, p2.y, p2.z);
241 glVertex3f (p1.x, p1.y, p1.z);
242 glVertex3f (p3.x, p3.y, p3.z);
243 i++; /* Skip every other triangle */
251 glFrontFace (GL_CCW);
252 glBegin (GL_TRIANGLES);
253 for (i = 0; i < polys; i++)
256 p1.x = *p++; p1.y = *p++; p1.z = *p++;
257 p2.x = *p++; p2.y = *p++; p2.z = *p++;
258 p3.x = *p++; p3.y = *p++; p3.z = *p++;
259 do_normal (p1.x, p1.y, p1.z,
262 glVertex3f (p1.x, p1.y, p1.z);
263 glVertex3f (p2.x, p2.y, p2.z);
264 glVertex3f (p3.x, p3.y, p3.z);
273 #endif /* !HAVE_GLMAP */