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 Unpublished-- rights reserved under the copyright |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