*
* glChess - A 3D chess interface
*
+ * Copyright (C) 2006 John-Paul Gignac <jjgignac@users.sf.net>
+ *
* Copyright (C) 2002 Robert Ancell <bob27@users.sourceforge.net>
* Michael Duelli <duelli@users.sourceforge.net>
*
/* chessmodels.c: Contains the code for piece model creation */
#include <math.h>
-#include <GL/glx.h>
-#include <GL/gl.h>
-#include <GL/glu.h>
+#include <stdlib.h>
+
+#ifdef HAVE_COCOA
+# include <OpenGL/gl.h>
+#else
+# include <GL/glx.h>
+# include <GL/gl.h>
+#endif
#include "chessmodels.h"
-#define ROT 16
-
-#define piece_size 0.095
-#define EPSILON 0.001
-
-/* Make a revolved piece */
-void revolve_line(double *trace_r, double *trace_h, double max_ih, int rot) {
- double theta, norm_theta, sin_theta, cos_theta;
- double norm_ptheta = 0.0, sin_ptheta = 0.0, cos_ptheta = 1.0;
- double radius, pradius;
- double max_height = max_ih, height, pheight;
- double dx, dy, len;
- int npoints, p;
- double dtheta = (2.0*M_PI) / rot;
-
- /* Get the number of points */
- for(npoints = 0;
- fabs(trace_r[npoints]) > EPSILON || fabs(trace_h[npoints]) > EPSILON;
- ++npoints);
-
- /* If less than two points, can not revolve */
- if(npoints < 2)
- return;
-
- /* If the max_height hasn't been defined, find it */
- if(max_height < EPSILON)
- for(p = 0; p < npoints; ++p)
- if(max_height < trace_h[p])
- max_height = trace_h[p];
-
- /* Draw the revolution */
- for(theta = dtheta; rot > 0; --rot) {
- sin_theta = sin(theta);
- cos_theta = cos(theta);
- norm_theta = theta / (2.0 * M_PI);
- pradius = trace_r[0] * piece_size;
- pheight = trace_h[0] * piece_size;
-
- for(p = 1; p < npoints; ++p) {
- radius = trace_r[p] * piece_size;
- height = trace_h[p] * piece_size;
-
- /* Get the normalized lengths of the normal vector */
- dx = radius - pradius;
- dy = height - pheight;
- len = sqrt(dx*dx + dy*dy);
- dx /= len;
- dy /= len;
-
- /* If only triangles required */
- if (fabs(radius) < EPSILON) {
- glBegin(GL_TRIANGLES);
-
- glNormal3f(dy * sin_ptheta, -dx, dy * cos_ptheta);
- glTexCoord2f(norm_ptheta, pheight / max_height);
- glVertex3f(pradius * sin_ptheta, pheight, pradius * cos_ptheta);
-
- glNormal3f(dy * sin_theta, -dx, dy * cos_theta);
- glTexCoord2f(norm_theta, pheight / max_height);
- glVertex3f(pradius * sin_theta, pheight, pradius * cos_theta);
-
- glTexCoord2f(0.5 * (norm_theta + norm_ptheta),
- height / max_height);
- glVertex3f(0.0, height, 0.0);
-
- glEnd();
- }
-
- else {
- glBegin(GL_QUADS);
-
- glNormal3f(dy * sin_ptheta, -dx, dy * cos_ptheta);
- glTexCoord2f(norm_ptheta, pheight / max_height);
- glVertex3f(pradius * sin_ptheta, pheight, pradius * cos_ptheta);
-
- glNormal3f(dy * sin_theta, -dx, dy * cos_theta);
- glTexCoord2f(norm_theta, pheight / max_height);
- glVertex3f(pradius * sin_theta, pheight, pradius * cos_theta);
-
- glTexCoord2f(norm_theta, height / max_height);
- glVertex3f(radius * sin_theta, height, radius * cos_theta);
-
- glNormal3f(dy * sin_ptheta, -dx, dy * cos_ptheta);
- glTexCoord2f(norm_ptheta, height / max_height);
- glVertex3f(radius * sin_ptheta, height, radius * cos_ptheta);
-
- glEnd();
- }
-
- pradius = radius;
- pheight = height;
- }
-
- sin_ptheta = sin_theta;
- cos_ptheta = cos_theta;
- norm_ptheta = norm_theta;
- theta += dtheta;
+/* End of Data */
+#define ENDOFDATA 65535
+
+/* Section headers */
+#define SPIN 65534
+#define VERTICES 65533
+#define QUADS 65532
+#define TRIANGLES 65531
+#define POLARQUADSTRIP 65530
+#define QUADSTRIP 65529
+
+/* Special spin-related commands */
+#define SEAM 65528
+#define PATTERN 65527
+#define STEPUP 65526
+#define STEPDOWN 65525
+#define SETBACKREF 65524
+#define BACKREF 65523
+
+unsigned short classic_pawn_data[] = {
+ SPIN,16,
+ 350,0,SEAM,350,200,SEAM,250,300,SEAM,250,400,SEAM,150,600,SEAM,100,880,
+ SEAM,180,880,SEAM,100,920,SEAM,200,1160,SEAM,100,1340,0,1340,
+ ENDOFDATA
+};
+
+unsigned short classic_rook_data[] = {
+ SPIN,16,
+ 380,0,SEAM,380,200,SEAM,260,500,SEAM,200,1020,SEAM,280,1020,SEAM,280,1360,SEAM,220,1360,SEAM,220,1300,0,1300,
+ ENDOFDATA
+};
+
+unsigned short classic_knight_data[] = {
+ SPIN,16,
+ 410,0,SEAM,410,200,SEAM,200,360,SEAM,200,480,260,580,
+
+ VERTICES,
+ 260,580,260, -260,580,260, -260,580,-80, 260,580,-80, 80,1620,400,
+ 100,1680,340, -100,1680,340, -80,1620,400, 100,1680,340, 100,1680,300,
+ -100,1680,300, -100,1680,340, 100,1680,300, 50,1680,160, -50,1680,160,
+ -100,1680,300, 50,1680,160, 100,1680,20, -100,1680,20, -50,1680,160,
+ 100,1680,20, 100,1680,-20, -100,1680,-20, -100,1680,20, 100,1680,-20,
+ 40,1680,-110, -40,1680,-110, -100,1680,-20, 40,1680,-110,
+ 100,1680,-200, -100,1680,-200, -40,1680,-110, 100,1680,-200,
+ 100,1680,-440, -100,1680,-440, -100,1680,-200, -100,1680,-440,
+ 100,1680,-440, 100,1500,-440, -100,1500,-440, -100,1500,-440,
+ 100,1500,-440, 55,1480,-280, -55,1480,-280, -100,1680,300, -50,1680,160,
+ -100,1400,130, -120,1380,240, -50,1680,160, -80,1680,20, -120,1380,20,
+ -100,1400,130, -83,1660,20, -80,1680,20, -100,1680,-20, -100,1660,-38,
+ -120,1380,20, -88,1620,20, -100,1620,-74, -120,1360,-20, -120,1360,-20,
+ -100,1620,-74, -100,1580,-110, -60,1400,-140, -100,1680,-200,
+ -55,1480,-280, -60,1400,-140, -100,1580,-110, -100,1680,-200,
+ -100,1680,-440, -100,1500,-440, -55,1480,-280, 100,1680,300,
+ 120,1380,240, 100,1400,130, 50,1680,160, 50,1680,160, 100,1400,130,
+ 120,1380,20, 80,1680,20, 83,1660,20, 100,1660,-38, 100,1680,-20,
+ 80,1680,20, 120,1380,20, 120,1360,-20, 100,1620,-74, 88,1620,20,
+ 120,1360,-20, 60,1400,-140, 100,1580,-110, 100,1620,-74, 100,1680,-200,
+ 100,1580,-110, 60,1400,-140, 55,1480,-280, 100,1680,-200, 55,1480,-280,
+ 100,1500,-440, 100,1680,-440, 88,1620,20, 100,1620,-74, 80,1640,-56,
+ 61,1640,20, 61,1640,20, 80,1640,-56, 100,1660,-38, 83,1660,20,
+ -88,1620,20, -61,1640,20, -80,1640,-56, -100,1620,-74, -61,1640,20,
+ -83,1660,20, -100,1660,-38, -80,1640,-56, 35,1780,-80, 35,1780,-440,
+ -35,1780,-440, -35,1780,-80, 35,1780,-80, 35,1680,-80, 35,1680,-440,
+ 35,1780,-440, -35,1780,-80, -35,1780,-440, -35,1680,-440, -35,1680,-80,
+ 35,1780,-80, -35,1780,-80, -35,1680,-80, 35,1680,-80, 35,1780,-440,
+ 35,1680,-440, -35,1680,-440, -35,1780,-440, -100,1400,130, -120,1380,20,
+ 120,1380,20, 100,1400,130, -100,1400,130, 100,1400,130, 120,1380,240,
+ -120,1380,240, -260,580,-80, -55,1480,-280, 0,1500,-360, 0,780,-400,
+ 260,580,-80, 0,780,-400, 0,1500,-360, 55,1480,-280, -50,1380,40,
+ -200,880,400, 200,880,400, 50,1380,40, -200,880,400, -260,580,260,
+ 260,580,260, 200,880,400, -50,1380,40, -140,1220,-40, -260,580,260,
+ -200,880,400, -140,1220,-40, -114,1220,-222, -260,580,-80, -260,580,260,
+ -55,1480,-280, -114,1220,-222, -140,1220,-40, -60,1400,-140,
+ 50,1380,40, 200,880,400, 260,580,260, 140,1220,-40, 140,1220,-40,
+ 260,580,260, 260,580,-80, 114,1220,-222, 55,1480,-280, 60,1400,-140,
+ 140,1220,-40, 114,1220,-222, 260,580,-80, 144,580,-260, 0,780,-400,
+ 144,580,-260, -144,580,-260, 0,780,-400, -260,580,-80, 0,780,-400,
+ -144,580,-260, 0,1400,400, 80,1620,400, -80,1620,400, 0,1400,400,
+ -80,1620,400, -120,1380,240, -120,1380,240, -80,1620,400, -100,1680,340,
+ -120,1380,240, -100,1680,340, -100,1680,300, 0,1400,400, 120,1380,240,
+ 80,1620,400, 120,1380,240, 100,1680,340, 80,1620,400, 120,1380,240,
+ 100,1680,300, 100,1680,340, 0,1400,400, -120,1380,240, 120,1380,240,
+ -60,1400,-140, -140,1220,-40, -45,1380,-20, -45,1380,-20, -140,1220,-40,
+ -50,1380,40, 60,1400,-140, 45,1380,-20, 140,1220,-40, 45,1380,-20,
+ 50,1380,40, 140,1220,-40, 60,1400,-140, 120,1360,-20, 45,1380,-20,
+ 50,1380,40, 45,1380,-20, 120,1360,-20, 50,1380,40, 120,1360,-20,
+ 120,1380,20, -60,1400,-140, -45,1380,-20, -120,1360,-20, -50,1380,40,
+ -120,1360,-20, -45,1380,-20, -50,1380,40, -120,1380,20, -120,1360,-20,
+ 88,1620,20, 61,1640,20, 83,1660,20, 100,1620,-74, 100,1660,-38,
+ 80,1640,-56, -88,1620,20, -83,1660,20, -61,1640,20, -100,1620,-74,
+ -80,1640,-56, -100,1660,-38, -40,1680,-110, -100,1680,-200,
+ -100,1580,-110, -100,1680,-20, -40,1680,-110, -100,1580,-110,
+ 40,1680,-110, 100,1580,-110, 100,1680,-200, 100,1680,-20, 100,1580,-110,
+ 40,1680,-110,
+
+ QUADS, 0,1,2,3, 4,5,6,7, 8,9,10,11, 12,13,14,15, 16,17,18,19,
+ 20,21,22,23, 24,25,26,27, 28,29,30,31, 32,33,34,35, 36,37,38,39,
+ 40,41,42,43, 44,45,46,47, 48,49,50,51, 52,53,54,55, 56,57,58,59,
+ 60,61,62,63, 64,65,66,67, 68,69,70,71, 72,73,74,75, 76,77,78,79,
+ 80,81,82,83, 84,85,86,87, 88,89,90,91, 92,93,94,95, 96,97,98,99,
+ 100,101,102,103, 104,105,106,107, 108,109,110,111, 112,113,114,115,
+ 116,117,118,119, 120,121,122,123, 124,125,126,127, 128,129,130,131,
+ 132,133,134,135, 136,137,138,139, 140,141,142,143, 144,145,146,147,
+ 148,149,150,151, 152,153,154,155, 156,157,158,159, 160,161,162,163,
+ 164,165,166,167, 168,169,170,171, 172,173,174,175, 176,177,178,179,
+ 180,181,182,183,
+
+ TRIANGLES, 184,185,186, 187,188,189, 190,191,192, 193,194,195,
+ 196,197,198, 199,200,201, 202,203,204, 205,206,207, 208,209,210,
+ 211,212,213, 214,215,216, 217,218,219, 220,221,222, 223,224,225,
+ 226,227,228, 229,230,231, 232,233,234, 235,236,237, 238,239,240,
+ 241,242,243, 244,245,246, 247,248,249, 250,251,252, 253,254,255,
+ 256,257,258, 259,260,261, 262,263,264, 265,266,267, 268,269,270,
+
+ ENDOFDATA
+};
+
+unsigned short classic_bishop_data[] = {
+ SPIN,16,
+ 400,0,SEAM,400,200,SEAM,250,300,SEAM,250,400,SEAM,150,700,SEAM,120,940,
+ SEAM,250,940,SEAM,170,1100,SEAM,170,1220,SEAM,220,1320,SEAM,220,1480,
+ SEAM,100,1600,SEAM,80,1700,SEAM,120,1770,SEAM,80,1840,0,1840,
+ ENDOFDATA
+};
+
+unsigned short classic_queen_data[] = {
+ SPIN,16,
+ 480,0,SEAM,480,220,SEAM,340,400,SEAM,340,500,SEAM,180,800,SEAM,140,1180,
+ SEAM,290,1180,SEAM,180,1360,SEAM,180,1520,SEAM,200,1780,SEAM,270,1920,
+ SEAM,240,2000,SEAM,170,2000,SEAM,95,2080,SEAM,70,2080,SEAM,90,2140,
+ SEAM,70,2200,0,2200,
+ ENDOFDATA
+};
+
+unsigned short classic_king_data[] = {
+ SPIN,16,
+ 500,0,SEAM,500,200,SEAM,350,300,SEAM,350,460,SEAM,200,760,SEAM,140,1260,
+ SEAM,300,1260,SEAM,200,1460,SEAM,200,1560,SEAM,280,1910,SEAM,160,1970,
+ SEAM,160,2010,0,2010,
+
+ VERTICES,
+ -30,2010,35, 30,2010,35, 30,2310,35, -30,2310,35, -90,2110,35,
+ -30,2110,35, -30,2210,35, -90,2210,35, 90,2110,35, 90,2210,35,
+ 30,2210,35, 30,2110,35, 30,2010,-35, -30,2010,-35, -30,2310,-35,
+ 30,2310,-35, -30,2110,-35, -90,2110,-35, -90,2210,-35, -30,2210,-35,
+ 30,2110,-35, 30,2210,-35, 90,2210,-35, 90,2110,-35, -90,2110,35,
+ -90,2210,35, -90,2210,-35, -90,2110,-35, -30,2010,35, -30,2110,35,
+ -30,2110,-35, -30,2010,-35, -30,2210,30, -30,2310,30, -30,2310,-30,
+ -30,2210,-30, 90,2110,-35, 90,2210,-35, 90,2210,35, 90,2110,35,
+ 30,2010,-35, 30,2110,-35, 30,2110,35, 30,2010,35, 30,2210,-35,
+ 30,2310,-35, 30,2310,35, 30,2210,35, -90,2210,-35, -90,2210,35,
+ -30,2210,35, -30,2210,-35, 30,2210,-35, 30,2210,35, 90,2210,35,
+ 90,2210,-35, -30,2310,-35, -30,2310,35, 30,2310,35, 30,2310,-35,
+
+ QUADS, 0,1,2,3, 4,5,6,7, 8,9,10,11, 12,13,14,15, 16,17,18,19,
+ 20,21,22,23, 24,25,26,27, 28,29,30,31, 32,33,34,35, 36,37,38,39,
+ 40,41,42,43, 44,45,46,47, 48,49,50,51, 52,53,54,55, 56,57,58,59,
+
+ ENDOFDATA
+};
+
+unsigned short knight_data[] = {
+ VERTICES, SETBACKREF,0, 7910,8863,0, 7790,8863,1326, 7433,8863,2611,
+ 6850,8863,3817, 6059,8863,4907, 5084,8863,5847, 3955,8863,6611,
+ 2705,8863,7173, 1373,8863,7517, 0,8863,7633, -1373,8863,7517,
+ -2705,8863,7173, -3955,8863,6611, -5084,8863,5847, -6059,8863,4907,
+ -6850,8863,3817, -7433,8863,2611, -7790,8863,1326, -7910,8863,0,
+ -7790,8863,-1326, -7433,8863,-2611, -6850,8863,-3817,
+ -6059,8863,-4907, -5066,8863,-5896, -3955,8863,-6611,
+ -2705,8863,-7173, -1373,8863,-7517, 0,8863,-7633, 1373,8863,-7517,
+ 2705,8863,-7173, 3955,8863,-6611, 5066,8863,-5896, 6059,8863,-4907,
+ 6850,8863,-3817, 7433,8863,-2611, 7790,8863,-1326, -1183,11744,7939,
+ -1183,12003,7939, -1183,14019,6547, -1183,16307,5288,
+ -1183,16555,5281, -1183,20128,2191, -1134,20304,2131,
+ -1183,20516,2156, -1417,21874,1842, -1417,23109,2185,
+ -1417,23961,3121, -1417,24001,4252, 0,23917,5637, -1418,23893,5418,
+ -1151,23389,6664, -1151,23501,6906, -1151,23806,6987,
+ -1151,24102,6987, -1151,24209,7189, -1151,24371,7513,
+ -1151,24605,7715, -1151,24939,7674, -1313,25568,7149,
+ -1313,25695,7149, -1598,26707,7610, 0,26837,7841, 0,27354,8076,
+ -1598,27262,7839, -1598,27842,7723, 0,27919,7998, 0,28449,7606,
+ -1598,28309,7303, -1302,28414,6723, 0,28544,6980, 0,28540,6197,
+ -1187,28523,5990, -1304,28447,4204, -1158,28789,1627,
+ -561,28931,-1220, -357,29608,-1244, -357,30527,-1441,
+ -357,31249,-1837, -357,31511,-2627, -357,31511,-3484,
+ -357,31118,-4143, -357,30264,-4538, -436,29406,-5256, 0,29409,-5243,
+ -2207,29018,-6763, -914,28658,-6964, 0,26292,-7237, -1305,26324,-7143,
+ -806,23401,-6784, -812,20723,-6228, -796,16757,-6210,
+ -1559,24934,7435, -1566,24633,7460, -1531,24429,7334,
+ -1475,24293,7131, -1440,24203,7004, -1372,23935,7015,
+ -1364,23606,6868, -1389,23515,6705, -1687,28010,6952,
+ -1687,27926,7343, -1687,27629,7491, -1687,27324,7552,
+ -1687,27032,7432, -1687,26791,7148, -1642,27135,7165,
+ -1642,27254,7304, -1642,27397,7364, -1642,27546,7334,
+ -1642,27693,7261, -1642,27737,7088, -1611,10591,8159,
+ -888,9327,-8560, -4491,13292,1032, -3840,15084,786, -3412,17397,397,
+ -2937,20005,-35, -5108,11669,1240, -6344,10251,1395, -6345,10246,1248,
+ -5109,11664,1092, -2964,20022,-132, -3413,17393,250, -3841,15079,638,
+ -4491,13288,885, -3743,13207,-535, -3085,15092,-710, -2727,17642,-878,
+ -2569,20636,-797, -4348,11575,-324, -5584,10108,-169,
+ -5403,10079,-1732, -4167,11644,-1888, -2465,20842,-2651,
+ -2522,18130,-2392, -2905,15407,-2077, -3562,13227,-1951,
+ -3901,13568,-3294, -3243,15993,-3519, -2861,18863,-3735,
+ -2776,22447,-4309, -4486,11792,-3132, -5783,9930,-2931,
+ -5783,9930,-3054, -4486,11792,-3255, -2776,22438,-4430,
+ -2861,18863,-3858, -3243,15993,-3641, -3901,13568,-3417,
+ -6199,9466,4558, -5766,10642,5726, -5228,11829,6090, -4801,12891,6048,
+ -4155,14560,5246, -3546,16847,3719, -3334,17643,2937,
+ -2860,20062,1230, -4822,12054,7102, -5325,10909,7208,
+ -5732,9938,6026, -4026,14701,5522, -2852,20170,1447, -3319,17801,3175,
+ -3538,16955,3935, -4090,13256,1679, -2874,20073,676, -3706,15083,1464,
+ -3301,17348,1117, -5931,10206,1996, -4695,11624,1840,
+ -4445,11658,2844, -5681,10240,3000, -3074,17398,2202,
+ -3456,15117,2468, -3840,13290,2683, -4642,13358,4019,
+ -4257,15194,3908, -6017,10188,3746, -5237,11714,4039,
+ -5621,11218,5077, -5026,12862,5058, -5134,10861,-3154,
+ -4193,12680,-3336, -2832,20609,-4118, -3052,17428,-3750,
+ -3572,14780,-3529, -3579,14774,-3623, -3059,17422,-3843,
+ -2839,20596,-4211, -4200,12674,-3429, -5141,10855,-3248,
+ -3908,13562,-3510, -3250,15987,-3735, -2868,18857,-3952,
+ -4492,11786,-3348, -5789,9924,-3148, -4817,11321,-3298,
+ -5465,10389,-3198, -4054,13118,-3470, -4346,12230,-3389,
+ -2853,19681,-4056, -2825,21511,-4367, -3155,16705,-3789,
+ -2963,18140,-3897, -3744,14168,-3567, -3415,15381,-3679,
+ -845,13482,-6604, -945,10997,-7893, -981,11110,-7735,
+ -859,13469,-6526, -899,9307,-8439, -813,16486,-6146, -832,20681,-6100,
+ -826,23358,-6656, -882,10149,-8148, -913,12323,-7139,
+ -822,14910,-6353, -817,18235,-6210, -827,21937,-6382,
+ -846,21937,-6341, -841,14912,-6313, -931,12326,-7098,
+ -901,10152,-8107, -844,23359,-6615, -851,20681,-6059,
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+ 750,751,752,753, 753,752,870,869, 76,75,728,731, 762,763,772,773,
+ 763,764,771,772, 764,765,770,771, 765,766,769,770, 766,767,768,769,
+ 767,715,1159,1167, 768,767,1167,1164, 77,76,731,732, 774,642,822,821,
+ 775,639,872,871, 776,780,783,787, 776,777,829,827, 778,779,828,830,
+ 78,77,732,735, 780,781,782,783, 780,776,827,832, 781,780,832,831,
+ 783,782,793,792, 784,779,778,785, 785,778,777,786, 786,777,776,787,
+ 787,783,792,788, 788,792,795,799, 789,786,787,788, 79,78,735,736,
+ 790,785,786,789, 791,784,785,790, 792,793,794,795, 793,634,635,794,
+ 794,635,636,805, 795,794,805,804, 796,791,790,797, 797,790,789,798,
+ 798,789,788,799, 799,795,804,800, 655,656,13,12, 80,79,736,739,
+ 801,798,799,800, 802,797,798,801, 803,796,797,802, 806,636,637,858,
+ 81,80,739,740, 815,814,842,843, 817,818,825,826, 818,819,824,825,
+ 82,81,740,83, 823,816,817,826, 824,819,1115,1114, 827,829,836,837,
+ 828,779,1117,1116, 828,819,835,830, 829,777,778,830, 831,832,833,834,
+ 833,832,827,837, 834,833,841,840, 835,818,839,836, 836,829,830,835,
+ 837,836,839,838, 839,816,843,838, 840,645,646,834, 841,833,837,838,
+ 842,812,840,841, 842,841,838,843, 86,747,748,749, 869,870,871,872,
+ 872,639,112,207, 88,87,86,749, 89,88,749,750, 656,657,14,13,
+ 90,89,750,753, 91,58,492,485, 910,927,952,953, 911,926,956,957,
+ 912,925,944,945, 913,924,948,949, 914,943,950,951, 915,808,864,929,
+ 918,941,958,959, 919,942,946,947, 92,91,485,484, 92,56,57,91,
+ 920,940,954,955, 924,919,992,1015, 925,858,988,1016, 926,920,993,1013,
+ 927,914,986,1014, 928,909,990,1008, 929,908,996,1007, 93,55,56,92,
+ 930,907,979,1003, 931,906,1009,1048, 932,905,981,1001,
+ 933,904,980,1002, 934,923,994,1011, 935,918,987,1012,
+ 936,922,995,1045, 937,917,989,1010, 938,921,977,1005,
+ 939,916,978,1004, 94,54,55,93, 940,910,983,999, 941,911,982,1000,
+ 942,912,985,997, 943,913,984,998, 944,925,1016,1017,
+ 945,944,1017,1018, 946,942,997,1019, 947,946,1019,1020,
+ 948,924,1015,1021, 949,948,1021,1022, 95,94,484,477, 95,53,54,94,
+ 950,943,998,1023, 951,950,1023,1024, 952,927,1014,1025,
+ 953,952,1025,1026, 954,940,999,1027, 955,954,1027,1028,
+ 956,926,1013,1029, 957,956,1029,1030, 958,941,1000,1031,
+ 959,958,1031,1032, 96,52,53,95, 960,935,1012,1033, 961,960,1033,1034,
+ 961,905,935,960, 962,932,1001,1035, 963,962,1035,1036,
+ 963,923,932,962, 964,934,1011,1037, 965,964,1037,1038,
+ 965,904,934,964, 966,933,1002,1039, 967,966,1039,1040,
+ 967,917,933,966, 968,937,1010,1041, 969,968,1041,1042,
+ 969,907,937,968, 97,51,52,96, 970,930,1003,1043, 971,970,1043,1044,
+ 971,922,930,970, 972,936,1045,1046, 973,972,1046,1047,
+ 973,906,936,972, 974,931,1048,1049, 975,974,1049,1050,
+ 975,916,931,974, 976,915,1069,1059, 977,921,1065,1055,
+ 978,916,975,1050, 979,907,969,1042, 98,50,51,97, 980,904,965,1038,
+ 981,905,961,1034, 982,911,957,1030, 983,910,953,1026,
+ 984,913,949,1022, 985,912,945,1018, 986,914,951,1024,
+ 987,918,959,1032, 989,917,967,1040, 990,909,1063,1053,
+ 992,919,947,1020, 993,920,955,1028, 994,923,963,1036,
+ 995,922,971,1044, 996,908,1067,1057, 997,992,1020,1019,
+ 998,986,1024,1023, 999,993,1028,1027,
+
+ /* The base of the knight */
+ SPIN,18,
+ 9510,0, 9510,756, SEAM, 9134,1129, 9447,1487,
+ 9447,1951, 9103,2371, STEPDOWN, 8211,3083,
+ 7167,4242, 6662,5664, 7040,7142, STEPUP, SEAM, 7935,8560,
+ STEPUP, BACKREF,0,
+
+ ENDOFDATA
+};
+
+unsigned short bishop_data[] = {
+ VERTICES, SETBACKREF,0, 5233,26960,0, 5154,26960,909, 4918,26960,1790,
+ 4532,26960,2617, 4009,26960,3364, 3364,26960,4009, 2617,26960,4532,
+ 1790,26960,4918, 909,26960,5154, 0,26833,5233, -909,26960,5154,
+ -1790,26960,4918, -2617,26960,4532, -3364,26960,4009,
+ -4009,26960,3364, -4532,26960,2617, -4918,26960,1790,
+ -5154,26960,909, -5233,26960,0, -5154,26960,-909, -4918,26960,-1790,
+ -4532,26960,-2617, -4009,26960,-3364, -3364,26960,-4009,
+ -2617,26960,-4532, -1790,26960,-4918, -909,26960,-5154, 0,26833,-5233,
+ 909,26960,-5154, 1790,26960,-4918, 2617,26960,-4532, 3364,26960,-4009,
+ 4009,26960,-3364, 4532,26960,-2617, 4918,26960,-1790, 5154,26960,-909,
+ SETBACKREF,1, 3812,31178,0, 3765,31144,729, 3624,31040,1435,
+ 3395,30872,2153, 3084,30642,2820, 2701,30360,3389, 2076,29899,4102,
+ 1492,30015,4340, 845,30033,4442, 0,30044,4511, -657,30063,4443,
+ -1481,30081,4214, -2190,30081,3884, -2830,30081,3435,
+ -3383,30081,2883, -3831,30081,2242, -4162,30081,1534,
+ -4364,30081,779, -4432,30081,0, -4364,30081,-779, -4162,30081,-1534,
+ -3831,30081,-2242, -3383,30081,-2883, -2830,30081,-3435,
+ -2190,30081,-3884, -1481,30081,-4214, -657,30063,-4443, 0,30044,-4511,
+ 845,30033,-4442, 1492,30015,-4340, 2076,29899,-4102, 2701,30360,-3388,
+ 3084,30642,-2820, 3395,30872,-2153, 3624,31040,-1435, 3765,31144,-729,
+ 240,28546,-4957, 884,29021,-4784, 1490,29467,-4537, 2076,29899,-4102,
+ 2701,30360,-3388, 3084,30642,-2820, 3395,30872,-2153,
+ 3624,31040,-1435, 3765,31144,-729, 2177,28477,4637, 1021,27605,5037,
+ 1021,27605,-5042, 2170,28478,-4644, 0,26833,-5233, 0,26833,5233,
+ -3153,28619,-3758, 240,28546,4957, 884,29021,4784, 2076,29899,4102,
+ 2701,30360,3389, 3084,30642,2820, 3395,30872,2153, 3624,31040,1435,
+ 3765,31144,729, -719,28582,4883, 4863,28569,977, 4560,28569,1925,
+ 4064,28569,2815, 3465,28569,3723, 2622,28569,4448, 2621,28583,-4401,
+ 3473,28588,-3691, 4064,28569,-2815, 4560,28569,-1925, 4863,28569,-977,
+ 4965,28569,0, -1678,28619,4610, -3153,28619,3758, -2453,28619,4248,
+ -4248,28619,2453, -3758,28619,3153, -4831,28619,852, -4906,28619,0,
+ -4831,28619,-852, -4610,28619,-1678, -4248,28619,-2453,
+ -3758,28619,-3153, -1678,28619,-4610, -2453,28619,-4248,
+ -644,27895,5037, -644,27895,-5037, -4610,28619,1678, -719,28582,-4883,
+ 2170,28478,-4644, 1021,27605,-5042, 1021,27605,5037, 2177,28477,4637,
+ 0,26833,-5233, 0,26833,5233, -644,27895,-5037, -644,27895,5037,
+ -644,27895,5037, -644,27895,-5037, 1490,29467,-4537, 884,29021,-4784,
+ 240,28546,-4957, 240,28546,4957, 884,29021,4784, 3812,31178,0,
+ 4349,30116,-867, 4197,30001,-1705, 3948,29813,-2492, 3610,29558,-3203,
+ 3193,29244,-3817, 2711,28880,-4315, 4349,30116,-867, 4197,30001,-1705,
+ 3948,29813,-2492, 3610,29558,-3203, 3193,29244,-3817,
+ 2711,28880,-4315, 1608,28047,-4906, 1608,28047,4901, 2711,28880,4310,
+ 3193,29244,3812, 3610,29558,3198, 3948,29813,2487, 4197,30001,1701,
+ 4349,30116,862, 4401,30155,-176, 1490,29467,4537, 1490,29467,4537,
+ 4401,30155,-176, 4349,30116,862, 4197,30001,1701, 3948,29813,2487,
+ 3610,29558,3198, 3193,29244,3812, 2711,28880,4310, 1608,28047,4901,
+ 1608,28047,-4906,
+
+ TRIANGLES, 8,127,9, 7,128,154, 2,98,3, 121,96,10, 121,10,9, 121,138,96,
+ 122,27,26, 27,126,28, 66,135,65, 162,42,43, 165,164,141, 80,140,95,
+ 103,151,150, 102,125,152, 101,155,128, 100,157,156, 124,137,122,
+ 33,105,34, 29,153,125, 26,124,122,
+
+ QUADS, 22,118,87,23, 21,117,118,22, 20,116,117,21, 19,115,116,20,
+ 18,114,115,19, 17,113,114,18, 16,123,113,17, 15,111,123,16, 14,112,111,15,
+ 13,109,112,14, 12,110,109,13, 11,108,110,12, 7,154,127,8, 110,108,47,48,
+ 135,136,64,65, 136,137,63,64, 138,139,44,45, 139,162,43,44, 109,110,48,49,
+ 147,161,107,106, 166,165,141,142, 167,166,142,143, 168,167,143,144,
+ 169,168,144,145, 112,109,49,50, 170,169,145,146, 171,81,84,172,
+ 111,112,50,51, 72,88,133,134, 73,89,88,72, 74,163,89,73, 75,90,163,74,
+ 76,91,90,75, 77,92,91,76, 78,93,92,77, 79,94,93,78, 80,95,94,79,
+ 81,170,146,84, 82,171,172,83, 86,82,83,85, 130,129,131,132, 123,111,51,52,
+ 113,123,52,53, 114,113,53,54, 115,114,54,55, 116,115,55,56, 117,116,56,57,
+ 118,117,57,58, 87,118,58,59, 120,87,59,60, 119,120,60,61, 107,161,160,97,
+ 106,107,0,35, 105,148,147,106, 105,106,35,34, 104,149,148,105,
+ 104,105,33,32, 103,150,149,104, 103,104,32,31, 102,152,151,103,
+ 102,103,31,30, 101,128,7,6, 100,101,6,5, 100,156,155,101, 99,100,5,4,
+ 99,158,157,100, 98,99,4,3, 98,159,158,99, 97,98,2,1, 97,160,159,98,
+ 96,108,11,10, 96,138,45,46, 124,119,61,62, 47,108,96,46, 63,137,124,62,
+ 0,107,97,1, 29,125,102,30, 28,126,153,29, 25,119,124,26, 24,120,119,25,
+ 23,87,120,24,
+
+ /* Everything above the slit */
+ SPIN,18,
+ 8870,0,8870,731,SEAM,8519,1091,8811,1438,8811,1886,8626,2292,
+ STEPDOWN,6989,2980,5927,4133,5548,5735,
+ STEPUP,5388,7642,5228,7807,STEPDOWN,4427,8149,4057,8434,
+ 3493,9185,2816,13524,SEAM,2690,18532,5301,18690,
+ STEPUP,6810,19005,6861,19277,6804,19625,STEPDOWN,6502,19845,
+ SEAM,4305,20394,STEPUP,4796,20522,4924,20759,4778,20979,
+ STEPDOWN,SEAM,3727,21207,SEAM,3726,22181,STEPUP,SEAM,4546,22705,
+ SEAM,3846,23385,4718,24227,5226,25516,STEPUP,BACKREF,0,
+
+ /* Everything below the slit */
+ SPIN,36,
+ BACKREF,1,STEPDOWN,3548,31590,STEPDOWN,2724,32633,SEAM,1581,33500,
+ 2013,33901,STEPUP,2281,34500,2281,34936,STEPDOWN,1947,35372,
+ STEPDOWN,1233,35734,STEPDOWN,0,35891,
+
+ ENDOFDATA
+};
+
+unsigned short king_data[] = {
+ SPIN,20,
+ 11378,0,11378,856,SEAM,10928,1152,
+ 11302,1684,11302,2209,11065,2684,
+ STEPDOWN,8964,3490,7603,4841,7116,6717,
+ STEPUP,6911,8950,6705,9144,STEPDOWN,5678,9545,5204,9878,
+ 4481,10758,3696,14808,SEAM,3065,26979,
+ 5813,27155,STEPUP,7145,27507,7424,27812,7352,28288,7131,28533,
+ 5477,28882,5397,29010,5406,29363,4903,29934,
+ STEPDOWN,SEAM,3944,30227,
+ SEAM,3974,31478,4703,31849,STEPUP,4832,32092,4756,32370,
+ SEAM,3975,32620,6899,39055,6877,39351,2833,39514,
+ 2786,39612,2786,39807,2734,39856,STEPDOWN,STEPDOWN,2590,39905,0,39969,
+ /* The cross */
+ SETBACKREF,0,
+ QUADSTRIP,-1613,39866,0,-1543,39866,702,-1651,40481,0,-1580,40590,702,
+ -1531,40917,0,-1465,41008,702,
+ QUADSTRIP,-1531,40917,0,-1465,41008,702,-2956,41104,0,-2829,41187,702,
+ -3075,41520,0,-2943,41585,702,-3075,43849,0,-2943,43805,702,
+ -2862,44347,0,-2739,44282,702,-1116,44636,0,-1068,44554,702,
+ QUADSTRIP,-1116,44636,0,-1068,44554,702,-1102,45692,0,-1054,45576,702,
+ -973,45829,0,-973,45747,702,973,45829,0,973,45747,702,1102,45692,0,
+ 1054,45576,702,1116,44636,0,1068,44554,702,
+ QUADSTRIP,1116,44636,0,1068,44554,702,2862,44347,0,2739,44282,702,
+ 3075,43849,0,2943,43805,702,3075,41520,0,2943,41585,702,2956,41104,0,
+ 2829,41187,702,1531,40917,0,1465,41008,702,
+ QUADSTRIP,1531,40917,0,1465,41008,702,1651,40481,0,1580,40590,702,
+ 1613,39866,0,1543,39866,702,
+ QUADSTRIP,-1543,39866,702,1543,39866,702,-1580,40590,702,
+ 1580,40590,702,-1465,41008,702,1465,41008,702,-2829,41187,702,
+ 2829,41187,702,-2943,41585,702,2943,41585,702,-2943,43805,702,
+ 2943,43805,702,-2739,44282,702,2739,44282,702,-1068,44554,702,
+ 1068,44554,702,-1054,45576,702,1054,45576,702,-973,45747,702,
+ 973,45747,702,
+ QUADSTRIP,-1543,39866,-702,BACKREF,0,0,-1580,40590,-702,BACKREF,0,2,
+ -1465,41008,-702,BACKREF,0,4,
+ QUADSTRIP,-1465,41008,-702,BACKREF,0,6,-2829,41187,-702,BACKREF,0,8,
+ -2943,41585,-702,BACKREF,0,10,-2943,43805,-702,BACKREF,0,12,
+ -2739,44282,-702,BACKREF,0,14,-1068,44554,-702,BACKREF,0,16,
+ QUADSTRIP,-1068,44554,-702,BACKREF,0,18,-1054,45576,-702,
+ BACKREF,0,20,-973,45747,-702,BACKREF,0,22,973,45747,-702,BACKREF,0,24,
+ 1054,45576,-702,BACKREF,0,26,1068,44554,-702,BACKREF,0,28,
+ QUADSTRIP,1068,44554,-702,BACKREF,0,30,2739,44282,-702,
+ BACKREF,0,32,2943,43805,-702,BACKREF,0,34,2943,41585,-702,BACKREF,0,36,
+ 2829,41187,-702,BACKREF,0,38,1465,41008,-702,BACKREF,0,40,
+ QUADSTRIP,1465,41008,-702,BACKREF,0,42,1580,40590,-702,
+ BACKREF,0,44,1543,39866,-702,BACKREF,0,46,
+ QUADSTRIP,1543,39866,-702,-1543,39866,-702,1580,40590,-702,
+ -1580,40590,-702,1465,41008,-702,-1465,41008,-702,2829,41187,-702,
+ -2829,41187,-702,2943,41585,-702,-2943,41585,-702,2943,43805,-702,
+ -2943,43805,-702,2739,44282,-702,-2739,44282,-702,1068,44554,-702,
+ -1068,44554,-702,1054,45576,-702,-1054,45576,-702,973,45747,-702,
+ -973,45747,-702,
+ ENDOFDATA
+};
+
+unsigned short queen_data[] = {
+ SPIN,24,
+ 11092,0,11092,914,SEAM,10653,1284,
+ 11018,1798,11018,2358,10787,2866,
+ STEPDOWN,8739,3726,7412,5168,6937,7171,
+ STEPUP,6737,9556,6537,9762,STEPDOWN,5536,10191,5073,10546,
+ 4368,11485,3678,15137,SEAM,3259,26879,
+ 5966,27091,STEPUP,7332,27515,7619,27882,7545,28455,7317,28751,
+ 5654,29177,5538,29326,5542,29982,5377,30278,
+ STEPDOWN,SEAM,4194,30585,
+ SEAM,4226,31822,5002,32218,STEPUP,5139,32477,5058,32774,
+ SEAM,4227,33040,STEPDOWN,4421,34778,5042,36612,5874,38429,
+ STEPUP,SEAM,PATTERN,3,6018,39660,6018,39660,6804,39977,
+ SEAM,PATTERN,3,5015,41139,5015,41139,5673,41460,
+ SEAM,4349,40044,
+ STEPDOWN,SEAM,1381,41188,
+ 1396,42332,STEPDOWN,1082,43072,481,43476,0,43543,
+ ENDOFDATA
+};
+
+unsigned short pawn_data[] = {
+ SPIN,16,
+ 7395,0,7395,609,
+ SEAM,7102,910,7345,1199,7345,1572,7191,1910,
+ STEPDOWN,5826,2484,4941,3446,4625,4781,
+ STEPUP,4492,6371,4358,6508,
+ STEPDOWN,3691,6794,2912,7657,2473,10091,
+ SEAM,2100,15344,
+ STEPUP,4518,15697,4695,15900,4649,16218,4509,16382,
+ STEPDOWN,SEAM,3150,16755,STEPUP,3858,17678,4303,18752,4455,19905,
+ 4303,21058,3858,22132,
+ STEPDOWN,3150,23055,2227,23763,STEPDOWN,1153,24208,0,24360,
+ ENDOFDATA
+};
+
+unsigned short rook_data[] = {
+ SPIN,20,
+ 9374,0,9374,756,SEAM,9003,1062,9311,1487,
+ 9311,1951,9116,2371,8521,3083,6701,5807,SEAM,6009,7595,
+ 6167,7812,6138,8066,5926,8460,5216,12608,
+ SEAM,4883,21434,
+ SEAM,5140,21608,
+ SEAM,5176,22792,
+ SEAM,5953,23030,
+/* SEAM,PATTERN,5,6103,26819,6143,27971,6143,27971,6143,27971,6103,26819, */
+/* SEAM,PATTERN,5, 5020,26819,5053,27971,5053,27971,5053,27971, 5020,26819, */
+ SETBACKREF,0,
+ 6103,26819,
+
+ SETBACKREF,1,
+ SPIN,20,
+ 5020,26819,5020,26114,4906,25858,0,25666,
+
+ POLARQUADSTRIP,20,BACKREF,0,1,1,6143,27971,BACKREF,0,2,2,6143,27971,
+ BACKREF,0,3,3,6143,27971,BACKREF,0,4,4,6143,27971,
+ POLARQUADSTRIP,20,BACKREF,0,6,6,6143,27971,BACKREF,0,7,7,6143,27971,
+ BACKREF,0,8,8,6143,27971,BACKREF,0,9,9,6143,27971,
+ POLARQUADSTRIP,20,BACKREF,0,11,11,6143,27971,BACKREF,0,12,12,6143,27971,
+ BACKREF,0,13,13,6143,27971,BACKREF,0,14,14,6143,27971,
+ POLARQUADSTRIP,20,BACKREF,0,16,16,6143,27971,BACKREF,0,17,17,6143,27971,
+ BACKREF,0,18,18,6143,27971,BACKREF,0,19,19,6143,27971,
+
+ POLARQUADSTRIP,20,1,5053,27971,BACKREF,1,1,2,5053,27971,BACKREF,1,2,
+ 3,5053,27971,BACKREF,1,3,4,5053,27971,BACKREF,1,4,
+ POLARQUADSTRIP,20,6,5053,27971,BACKREF,1,6,7,5053,27971,BACKREF,1,7,
+ 8,5053,27971,BACKREF,1,8,9,5053,27971,BACKREF,1,9,
+ POLARQUADSTRIP,20,11,5053,27971,BACKREF,1,11,12,5053,27971,BACKREF,1,12,
+ 13,5053,27971,BACKREF,1,13,14,5053,27971,BACKREF,1,14,
+ POLARQUADSTRIP,20,16,5053,27971,BACKREF,1,16,17,5053,27971,BACKREF,1,17,
+ 18,5053,27971,BACKREF,1,18,19,5053,27971,BACKREF,1,19,
+
+ POLARQUADSTRIP,20,1,5020,26819,1,6103,26819,
+ 0,5020,26819,0,6103,26819,19,5020,26819,19,6103,26819,
+ POLARQUADSTRIP,20,6,5020,26819,6,6103,26819,
+ 5,5020,26819,5,6103,26819,4,5020,26819,4,6103,26819,
+ POLARQUADSTRIP,20,11,5020,26819,11,6103,26819,
+ 10,5020,26819,10,6103,26819,9,5020,26819,9,6103,26819,
+ POLARQUADSTRIP,20,16,5020,26819,16,6103,26819,
+ 15,5020,26819,15,6103,26819,14,5020,26819,14,6103,26819,
+
+ POLARQUADSTRIP,20,1,5053,27971,1,6143,27971,1,5020,26819,1,6103,26819,
+ POLARQUADSTRIP,20,4,5020,26819,4,6103,26819,4,5053,27971,4,6143,27971,
+ POLARQUADSTRIP,20,6,5053,27971,6,6143,27971,6,5020,26819,6,6103,26819,
+ POLARQUADSTRIP,20,9,5020,26819,9,6103,26819,9,5053,27971,9,6143,27971,
+ POLARQUADSTRIP,20,11,5053,27971,11,6143,27971,11,5020,26819,11,6103,26819,
+ POLARQUADSTRIP,20,14,5020,26819,14,6103,26819,14,5053,27971,14,6143,27971,
+ POLARQUADSTRIP,20,16,5053,27971,16,6143,27971,16,5020,26819,16,6103,26819,
+ POLARQUADSTRIP,20,19,5020,26819,19,6103,26819,19,5053,27971,19,6143,27971,
+
+ POLARQUADSTRIP,20,1,6143,27971,1,5053,27971,2,6143,27971,2,5053,27971,
+ 3,6143,27971,3,5053,27971,4,6143,27971,4,5053,27971,
+ POLARQUADSTRIP,20,6,6143,27971,6,5053,27971,7,6143,27971,7,5053,27971,
+ 8,6143,27971,8,5053,27971,9,6143,27971,9,5053,27971,
+ POLARQUADSTRIP,20,11,6143,27971,11,5053,27971,12,6143,27971,12,5053,27971,
+ 13,6143,27971,13,5053,27971,14,6143,27971,14,5053,27971,
+ POLARQUADSTRIP,20,16,6143,27971,16,5053,27971,17,6143,27971,17,5053,27971,
+ 18,6143,27971,18,5053,27971,19,6143,27971,19,5053,27971,
+
+ ENDOFDATA
+};
+
+static double piece_size;
+
+static int enumerate_ring_vertices( int steps, unsigned short *data, void *h,
+ void (*process_vertex)(void *h,double x,double y,double z))
+{
+ int patlen = 1,i;
+ unsigned short *pts = data;
+ double dtheta = M_PI * 2 / steps;
+
+ if( data[0] == PATTERN) {
+ patlen = data[1];
+ pts += 2;
}
-}
-void gen_model_lists(void) {
- glNewList(KING, GL_COMPILE);
- draw_king();
- glEndList();
-
- glNewList(QUEEN, GL_COMPILE);
- draw_queen();
- glEndList();
+ if( pts[0] == 0) steps = 1;
- glNewList(BISHOP, GL_COMPILE);
- draw_bishop();
- glEndList();
+ for( i=0; i < steps; i++) {
+ double r = pts[(i % patlen)*2] * piece_size;
+ double y = pts[(i % patlen)*2+1] * piece_size;
+ double theta = dtheta * i;
- glNewList(KNIGHT, GL_COMPILE);
- draw_knight();
- glEndList();
+ process_vertex( h, r * cos(theta), y, r * sin(theta));
+ }
- glNewList(ROOK, GL_COMPILE);
- draw_rook();
- glEndList();
+ return pts + patlen * 2 - data;
+}
- glNewList(PAWN, GL_COMPILE);
- draw_pawn();
- glEndList();
+static void enumerate_vertices( unsigned short *data, void *h,
+ void (*process_vertex)(void *h,double x,double y,double z))
+{
+ while(1) {
+ if( data[0] == SPIN) {
+ int steps;
+ steps = data[1];
+ data += 2;
+
+ while(data[0] <= SEAM) {
+ if( data[0] == SETBACKREF || data[0] == BACKREF) {
+ data += 2;
+ continue;
+ } else if( data[0] == STEPUP) {
+ steps *= 2;
+ data++;
+ continue;
+ } else if( data[0] == STEPDOWN) {
+ steps /= 2;
+ data++;
+ continue;
+ } else if( data[0] == SEAM) {
+ data ++;
+ /* Visit seam vertices twice */
+ enumerate_ring_vertices( steps, data,
+ h, process_vertex);
+ data += enumerate_ring_vertices( steps, data,
+ h, process_vertex);
+ } else {
+ data += enumerate_ring_vertices( steps, data,
+ h, process_vertex);
+ }
+ }
+ } else if( data[0] == POLARQUADSTRIP) {
+ int steps = data[1];
+ double dtheta;
+ data += 2;
+
+ dtheta = M_PI * 2 / steps;
+
+ while(data[0] <= SEAM) {
+ if( data[0] != BACKREF) {
+ double theta = dtheta * data[0];
+ double r = data[1] * piece_size;
+ double y = data[2] * piece_size;
+ process_vertex( h, r * cos(theta), y, r * sin(theta));
+ }
+ data += 3;
+ }
+ } else if( data[0] == QUADSTRIP || data[0] == VERTICES) {
+ data ++;
+
+ while(data[0] <= SEAM) {
+ if( data[0] == SETBACKREF) {
+ data += 2;
+ continue;
+ }
+
+ if( data[0] != BACKREF) {
+ double x = (signed short)data[0] * piece_size;
+ double y = data[1] * piece_size;
+ double z = (signed short)data[2] * piece_size;
+ process_vertex( h, x, y, z);
+ }
+ data += 3;
+ }
+ } else if( data[0] == QUADS || data[0] == TRIANGLES) {
+ data ++;
+ while( data[0] <= SEAM) data++;
+ } else {
+ break;
+ }
+ }
}
-void draw_pawn(void) {
- double trace_r[] =
- { 3.5, 3.5, 2.5, 2.5, 1.5, 1.0, 1.8, 1.0, 2.0, 1.0, 0.0, 0.0 };
- double trace_h[] =
- { 0.0, 2.0, 3.0, 4.0, 6.0, 8.8, 8.8, 9.2, 11.6, 13.4, 13.4, 0.0 };
-
- revolve_line(trace_r, trace_h, 0.0, ROT);
+static void enumerate_ring_faces( int basevertex, int steps,
+ int prevbase, int prevsteps, void *h, int *count_ret,
+ void (*process_face)(void *h,int v1,int v2,int v3,int v4))
+{
+ int i,j;
+
+ if( steps == 1) {
+ for( i=0; i < prevsteps; i++) {
+ process_face( h,
+ basevertex,
+ prevbase + i,
+ prevbase + (i ? i-1 : prevsteps-1),
+ -1);
+ if (count_ret) (*count_ret)++;
+ }
+ } else if( steps == prevsteps) {
+ for( i=0; i < steps; i++) {
+ process_face( h,
+ basevertex + i,
+ prevbase + i,
+ prevbase + (i ? i-1 : steps-1),
+ basevertex + (i ? i-1 : steps-1));
+ if (count_ret) (*count_ret)++;
+ }
+ } else {
+ j = 0;
+ for( i=0;; i++) {
+ while( j < prevsteps && steps*(1+2*j) < prevsteps*(1+2*i)) {
+ process_face( h,
+ basevertex + (i%steps),
+ prevbase + ((j+1)%prevsteps),
+ prevbase + j,
+ -1);
+ if (count_ret) (*count_ret)++;
+ j++;
+ }
+ if( i == steps) break;
+ process_face( h,
+ basevertex + i,
+ basevertex + ((i+1)%steps),
+ prevbase + (j%prevsteps),
+ -1);
+ if (count_ret) (*count_ret)++;
+ }
+ }
}
-void draw_rook(void)
+static void enumerate_faces( unsigned short *data, void *h, int *count_ret,
+ void (*process_face)(void *h,int v1,int v2,int v3,int v4))
{
- double trace_r[] =
- { 3.8, 3.8, 2.6, 2.0, 2.8, 2.8, 2.2, 2.2, 0.0, 0.0 };
- double trace_h[] =
- { 0.0, 2.0, 5.0, 10.2, 10.2, 13.6, 13.6, 13.0, 13.0, 0.0 };
+ int basevertex = 0, startofvertices = 0;
+ int backrefs[5];
+
+ while(1) {
+ if( data[0] == SPIN) {
+ int steps;
+ int prevsteps = -1,prevbase = 0;
+
+ steps = data[1];
+ data += 2;
+
+ while( data[0] <= SEAM) {
+ if( data[0] == SETBACKREF) {
+ backrefs[data[1]] = basevertex;
+ data += 2;
+ continue;
+ }
+
+ if( data[0] == STEPUP) {
+ steps *= 2;
+ data++;
+ continue;
+ } else if( data[0] == STEPDOWN) {
+ steps /= 2;
+ data++;
+ continue;
+ }
+
+ if( data[0] == BACKREF) {
+ if( prevsteps != -1) {
+ enumerate_ring_faces( backrefs[data[1]], steps,
+ prevbase, prevsteps, h,
+ count_ret, process_face);
+ }
+
+ prevbase = backrefs[data[1]];
+ data += 2;
+ } else {
+ int isseam = 0;
+ if( data[0] == SEAM) {
+ isseam = 1;
+ data++;
+ }
+
+ if( data[0] == PATTERN) {
+ data += 2 + data[1]*2;
+ } else {
+ if( data[0] == 0) steps = 1;
+ data += 2;
+ }
+
+ if( prevsteps != -1) {
+ enumerate_ring_faces( basevertex, steps,
+ prevbase, prevsteps, h,
+ count_ret, process_face);
+ }
+
+ if( isseam) basevertex += steps;
+ prevbase = basevertex;
+ basevertex += steps;
+ }
+
+ prevsteps = steps;
+ }
+ } else if( data[0] == POLARQUADSTRIP || data[0] == QUADSTRIP) {
+ int v0=-1,v1=0,v2,v3;
+ if( data[0] == POLARQUADSTRIP) data += 2;
+ else data ++;
+ while(data[0] <= SEAM) {
+ if( data[0] == BACKREF) {
+ v2 = backrefs[data[1]]+data[2];
+ } else {
+ v2 = basevertex;
+ basevertex++;
+ }
+ if( data[3] == BACKREF) {
+ v3 = backrefs[data[4]]+data[5];
+ } else {
+ v3 = basevertex;
+ basevertex++;
+ }
+ data += 6;
+ if( v0 != -1) {
+ process_face( h, v0, v1, v3, v2);
+ if (count_ret) (*count_ret)++;
+ }
+ v0 = v2;
+ v1 = v3;
+ }
+ } else if( data[0] == VERTICES) {
+ data ++;
+ startofvertices = basevertex;
+ while( data[0] <= SEAM) {
+ if( data[0] == SETBACKREF) {
+ backrefs[data[1]] = basevertex;
+ data += 2;
+ continue;
+ }
+ data += 3;
+ basevertex ++;
+ }
+ } else if( data[0] == QUADS) {
+ data ++;
+ while( data[0] <= SEAM) {
+ process_face( h,
+ data[0] + startofvertices,
+ data[1] + startofvertices,
+ data[2] + startofvertices,
+ data[3] + startofvertices);
+ if (count_ret) (*count_ret)++;
+ data += 4;
+ }
+ } else if( data[0] == TRIANGLES) {
+ data ++;
+ while( data[0] <= SEAM) {
+ process_face( h,
+ data[0] + startofvertices,
+ data[1] + startofvertices,
+ data[2] + startofvertices, -1);
+ if (count_ret) (*count_ret)++;
+ data += 3;
+ }
+ } else {
+ break;
+ }
+ }
+}
+
+static void normalize( float v[3]) {
+ float d = sqrt(v[0]*v[0]+v[1]*v[1]+v[2]*v[2]);
+
+ if( d == 0.0) {
+ /* The direction is undefined - normalize it anyway */
+ v[0] = 1.0;
+ v[1] = 0.0;
+ v[2] = 0.0;
+ return;
+ }
- revolve_line(trace_r, trace_h, 0.0, ROT);
+ v[0] /= d;
+ v[1] /= d;
+ v[2] /= d;
}
-void draw_knight(void)
+static void normcrossprod( float v1[3], float v2[3], float out[3])
{
- double trace_r[] = { 4.1, 4.1, 2.0, 2.0, 2.6, 0.0 };
- double trace_h[] = { 0.0, 2.0, 3.6, 4.8, 5.8, 0.0 };
-
- /* Revolved base */
- revolve_line(trace_r, trace_h, 17.8, ROT);
-
- /* Non revolved pieces */
- /* Quads */
- glBegin(GL_QUADS);
-
- /* Square base */
- glNormal3f(0.0, -1.0, 0.0);
- glTexCoord2f(0.0, 5.8 / 17.8 * piece_size);
- glVertex3f(2.6 * piece_size, 5.8 * piece_size, 2.6 * piece_size);
- glTexCoord2f(0.0, 5.8 / 17.8 * piece_size);
- glVertex3f(-2.6 * piece_size, 5.8 * piece_size, 2.6 * piece_size);
- glTexCoord2f(0.0, 5.8 / 17.8 * piece_size);
- glVertex3f(-2.6 * piece_size, 5.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0, 5.8 / 17.8 * piece_size);
- glVertex3f(2.6 * piece_size, 5.8 * piece_size, -0.8 * piece_size);
-
- /* Upper edge of nose */
- glNormal3f(0.0, 0.707107, 0.707107);
- glTexCoord2f(0.0, 16.2 / 17.8 * piece_size);
- glVertex3f(0.8 * piece_size, 16.2 * piece_size, 4.0 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, 3.4 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, 3.4 * piece_size);
- glTexCoord2f(0.0, 16.2 / 17.8 * piece_size);
- glVertex3f(-0.8 * piece_size, 16.2 * piece_size, 4.0 * piece_size);
-
- /* Above head */
- glNormal3f(0.0, 1.0, 0.0);
-
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, 3.4 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, 3.0 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, 3.0 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, 3.4 * piece_size);
-
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, 3.0 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(0.5 * piece_size, 16.8 * piece_size, 1.6 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-0.5 * piece_size, 16.8 * piece_size, 1.6 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, 3.0 * piece_size);
-
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(0.5 * piece_size, 16.8 * piece_size, 1.6 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-0.5 * piece_size, 16.8 * piece_size, 1.6 * piece_size);
-
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, 0.2 * piece_size);
-
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(0.4 * piece_size, 16.8 * piece_size, -1.1 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-0.4 * piece_size, 16.8 * piece_size, -1.1 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, -0.2 * piece_size);
-
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(0.4 * piece_size, 16.8 * piece_size, -1.1 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, -2.0 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, -2.0 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-0.4 * piece_size, 16.8 * piece_size, -1.1 * piece_size);
-
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, -2.0 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, -2.0 * piece_size);
-
- /* Back of head */
- glNormal3f(0.0, 0.0, -1.0);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0, 15.0 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 15.0 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0, 15.0 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 15.0 * piece_size, -4.4 * piece_size);
-
- /* Under back */
- glNormal3f(0.0, 0.0, -1.0);
- glTexCoord2f(0.0, 15.0 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 15.0 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0, 15.0 / 17.8 * piece_size);
- glVertex3f(1.0 * piece_size, 15.0 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0, 14.8 / 17.8 * piece_size);
- glVertex3f(0.55 * piece_size, 14.8 * piece_size, -2.8 * piece_size);
- glTexCoord2f(0.0, 14.8 / 17.8 * piece_size);
- glVertex3f(-0.55 * piece_size, 14.8 * piece_size, -2.8 * piece_size);
-
- /* Right side of face */
- glNormal3f(-0.933878, 0.128964, -0.333528);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, 3.0 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-0.5 * piece_size, 16.8 * piece_size, 1.6 * piece_size);
- glTexCoord2f(0.0, 14.0 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 14.0 * piece_size, 1.3 * piece_size);
- glTexCoord2f(0.0, 13.8 / 17.8 * piece_size);
- glVertex3f(-1.2 * piece_size, 13.8 * piece_size, 2.4 * piece_size);
-
- glNormal3f(-0.966676, 0.150427, 0.207145);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-0.5 * piece_size, 16.8 * piece_size, 1.6 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-0.8 * piece_size, 16.8 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0, 13.8 / 17.8 * piece_size);
- glVertex3f(-1.2 * piece_size, 13.8 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0, 14.0 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 14.0 * piece_size, 1.3 * piece_size);
-
- /* (above and below eye) */
- glNormal3f(-0.934057, 0.124541, -0.334704);
-
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-0.82666667 * piece_size, 16.6 * piece_size,
- 0.2 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-0.8 * piece_size, 16.8 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0, 16.6 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.6 * piece_size, -0.38 * piece_size);
-
- glTexCoord2f(0.0, 13.8 / 17.8 * piece_size);
- glVertex3f(-1.2 * piece_size, 13.8 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0, 16.2 / 17.8 * piece_size);
- glVertex3f(-0.88 * piece_size, 16.2 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0, 16.2 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.2 * piece_size, -0.74 * piece_size);
- glTexCoord2f(0.0, 13.6 / 17.8 * piece_size);
- glVertex3f(-1.2 * piece_size, 13.6 * piece_size, -0.2 * piece_size);
-
- glTexCoord2f(0.0, 13.6 / 17.8 * piece_size);
- glVertex3f(-1.2 * piece_size, 13.6 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0, 16.2 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.2 * piece_size, -0.74 * piece_size);
- glTexCoord2f(0.0, 15.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 15.8 * piece_size, -1.1 * piece_size);
- glTexCoord2f(0.0, 14.0 / 17.8 * piece_size);
- glVertex3f(-0.6 * piece_size, 14.0 * piece_size, -1.4 * piece_size);
-
- glNormal3f(-0.970801, -0.191698, -0.144213);
- glTexCoord2f(0.0, 16.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, -2.0 * piece_size);
- glTexCoord2f(0.0, 14.8 / 17.8 * piece_size);
- glVertex3f(-0.55 * piece_size, 14.8 * piece_size, -2.8 * piece_size);
- glTexCoord2f(0.0, 14.0 / 17.8 * piece_size);
- glVertex3f(-0.6 * piece_size, 14.0 * piece_size, -1.4 * piece_size);
- glTexCoord2f(0.0, 15.8 / 17.8 * piece_size);
- glVertex3f(-1.0 * piece_size, 15.8 * piece_size, -1.1 * piece_size);
-
- glNormal3f(-0.975610, 0.219512, 0.0);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, -2.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 15.0f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 15.0 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.8f / 17.8f * piece_size);
- glVertex3f(-0.55 * piece_size, 14.8 * piece_size, -2.8 * piece_size);
-
- /* Left side of face */
- glNormal3f(0.933878, 0.128964, -0.333528);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, 3.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.8 * piece_size, 2.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 14.0 * piece_size, 1.3 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(0.5 * piece_size, 16.8 * piece_size, 1.6 * piece_size);
-
- glNormal3f(0.966676, 0.150427, 0.207145);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(0.5 * piece_size, 16.8 * piece_size, 1.6 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 14.0 * piece_size, 1.3 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.8 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(0.8 * piece_size, 16.8 * piece_size, 0.2 * piece_size);
-
- /* (above and below eye) */
- glNormal3f(0.934057, 0.124541, -0.334704);
-
- glTexCoord2f(0.0f * piece_size, 16.6f / 17.8f * piece_size);
- glVertex3f(0.82666667 * piece_size, 16.6 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.6f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.6 * piece_size, -0.38 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(0.8 * piece_size, 16.8 * piece_size, 0.2 * piece_size);
-
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.8 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.6f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.6 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.2 * piece_size, -0.74 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(0.88 * piece_size, 16.2 * piece_size, 0.2 * piece_size);
-
- glTexCoord2f(0.0f * piece_size, 13.6f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.6 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(0.6 * piece_size, 14.0 * piece_size, -1.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 15.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 15.8 * piece_size, -1.1 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.2 * piece_size, -0.74 * piece_size);
-
- glNormal3f(0.970801, -0.191698, -0.144213);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, -2.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 15.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 15.8 * piece_size, -1.1 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(0.6 * piece_size, 14.0 * piece_size, -1.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.8f / 17.8f * piece_size);
- glVertex3f(0.55 * piece_size, 14.8 * piece_size, -2.8 * piece_size);
-
- glNormal3f(0.975610, -0.219512, 0.0);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, -2.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.8f / 17.8f * piece_size);
- glVertex3f(0.55 * piece_size, 14.8 * piece_size, -2.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 15.0f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 15.0 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, -4.4 * piece_size);
-
- /* Eyes */
- glNormal3f(0.598246, 0.797665, 0.076372);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(0.88 * piece_size, 16.2 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.2 * piece_size, -0.74 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.4f / 17.8f * piece_size);
- glVertex3f(0.8 * piece_size, 16.4 * piece_size, -0.56 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.4f / 17.8f * piece_size);
- glVertex3f(0.61333334 * piece_size, 16.4 * piece_size, 0.2 * piece_size);
-
- glNormal3f(0.670088, -0.714758, 0.200256);
- glTexCoord2f(0.0f * piece_size, 16.4f / 17.8f * piece_size);
- glVertex3f(0.61333334 * piece_size, 16.4 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.4f / 17.8f * piece_size);
- glVertex3f(0.8 * piece_size, 16.4 * piece_size, -0.56 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.6f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.6 * piece_size, -0.38 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.6f / 17.8f * piece_size);
- glVertex3f(0.82666667 * piece_size, 16.6 * piece_size, 0.2 * piece_size);
-
- glNormal3f(-0.598246, 0.797665, 0.076372);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(-0.88 * piece_size, 16.2 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.4f / 17.8f * piece_size);
- glVertex3f(-0.61333334 * piece_size, 16.4 * piece_size,
- 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.4f / 17.8f * piece_size);
- glVertex3f(-0.8 * piece_size, 16.4 * piece_size, -0.56 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 16.2 * piece_size, -0.74 * piece_size);
-
- glNormal3f(-0.670088, -0.714758, 0.200256);
- glTexCoord2f(0.0f * piece_size, 16.4f / 17.8f * piece_size);
- glVertex3f(-0.61333334 * piece_size, 16.4 * piece_size,
- 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.6f / 17.8f * piece_size);
- glVertex3f(-0.82666667 * piece_size, 16.6 * piece_size,
- 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.6f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 16.6 * piece_size, -0.38 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.4f / 17.8f * piece_size);
- glVertex3f(-0.8 * piece_size, 16.4 * piece_size, -0.56 * piece_size);
-
- /* Hair */
- glNormal3f(0.0, 1.0, 0.0);
- glTexCoord2f(0.0f * piece_size, 17.8f / 17.8f * piece_size);
- glVertex3f(0.35 * piece_size, 17.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 17.8f / 17.8f * piece_size);
- glVertex3f(0.35 * piece_size, 17.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 17.8f / 17.8f * piece_size);
- glVertex3f(-0.35 * piece_size, 17.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 17.8f / 17.8f * piece_size);
- glVertex3f(-0.35 * piece_size, 17.8 * piece_size, -0.8 * piece_size);
-
- glNormal3f(1.0, 0.0, 0.0);
- glTexCoord2f(0.0f * piece_size, 17.8f / 17.8f * piece_size);
- glVertex3f(0.35 * piece_size, 17.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(0.35 * piece_size, 16.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(0.35 * piece_size, 16.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 17.8f / 17.8f * piece_size);
- glVertex3f(0.35 * piece_size, 17.8 * piece_size, -4.4 * piece_size);
-
- glNormal3f(-1.0, 0.0, 0.0);
- glTexCoord2f(0.0f * piece_size, 17.8f / 17.8f * piece_size);
- glVertex3f(-0.35 * piece_size, 17.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 17.8f / 17.8f * piece_size);
- glVertex3f(-0.35 * piece_size, 17.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-0.35 * piece_size, 16.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-0.35 * piece_size, 16.8 * piece_size, -0.8 * piece_size);
-
- glNormal3f(0.0, 0.0, 1.0);
- glTexCoord2f(0.0f * piece_size, 17.8f / 17.8f * piece_size);
- glVertex3f(0.35 * piece_size, 17.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 17.8f / 17.8f * piece_size);
- glVertex3f(-0.35 * piece_size, 17.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-0.35 * piece_size, 16.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(0.35 * piece_size, 16.8 * piece_size, -0.8 * piece_size);
-
- glNormal3f(0.0, 0.0, -1.0);
- glTexCoord2f(0.0f * piece_size, 17.8f / 17.8f * piece_size);
- glVertex3f(0.35 * piece_size, 17.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(0.35 * piece_size, 16.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-0.35 * piece_size, 16.8 * piece_size, -4.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 17.8f / 17.8f * piece_size);
- glVertex3f(-0.35 * piece_size, 17.8 * piece_size, -4.4 * piece_size);
-
- /* Under chin */
- glNormal3f(0.0, -0.853282, 0.521450);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 14.0 * piece_size, 1.3 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-1.2 * piece_size, 13.8 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.8 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 14.0 * piece_size, 1.3 * piece_size);
-
- glNormal3f(0.0, -0.983870, -0.178885);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 14.0 * piece_size, 1.3 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 14.0 * piece_size, 1.3 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.8 * piece_size, 2.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-1.2 * piece_size, 13.8 * piece_size, 2.4 * piece_size);
-
- /* Mane */
-
- /* Right */
- glNormal3f(-0.788443, 0.043237, -0.613587);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(-2.6 * piece_size, 5.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.8f / 17.8f * piece_size);
- glVertex3f(-0.55 * piece_size, 14.8 * piece_size, -2.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 15.0f / 17.8f * piece_size);
- glVertex3f(0.0, 15.0 * piece_size, -3.6 * piece_size);
- glTexCoord2f(0.0f * piece_size, 7.8f / 17.8f * piece_size);
- glVertex3f(0.0, 7.8 * piece_size, -4.0 * piece_size);
-
- /* Left */
- glNormal3f(0.788443, 0.043237, -0.613587);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(2.6 * piece_size, 5.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 7.8f / 17.8f * piece_size);
- glVertex3f(0.0, 7.8 * piece_size, -4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 15.0f / 17.8f * piece_size);
- glVertex3f(0.0, 15.0 * piece_size, -3.6 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.8f / 17.8f * piece_size);
- glVertex3f(0.55 * piece_size, 14.8 * piece_size, -2.8 * piece_size);
-
- /* Chest */
- /* Front */
- glNormal3f(0.0, 0.584305, 0.811534);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-0.5 * piece_size, 13.8 * piece_size, 0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 8.8f / 17.8f * piece_size);
- glVertex3f(-2.0 * piece_size, 8.8 * piece_size, 4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 8.8f / 17.8f * piece_size);
- glVertex3f(2.0 * piece_size, 8.8 * piece_size, 4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(0.5 * piece_size, 13.8 * piece_size, 0.4 * piece_size);
-
- /* Bottom */
- glNormal3f(0.0, -0.422886, 0.906183);
- glTexCoord2f(0.0f * piece_size, 8.8f / 17.8f * piece_size);
- glVertex3f(-2.0 * piece_size, 8.8 * piece_size, 4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(-2.6 * piece_size, 5.8 * piece_size, 2.6 * piece_size);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(2.6 * piece_size, 5.8 * piece_size, 2.6 * piece_size);
- glTexCoord2f(0.0f * piece_size, 8.8f / 17.8f * piece_size);
- glVertex3f(2.0 * piece_size, 8.8 * piece_size, 4.0 * piece_size);
-
- /* Right */
- glNormal3f(-0.969286, 0.231975, -0.081681);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-0.5 * piece_size, 13.8 * piece_size, 0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(-1.4 * piece_size, 12.2 * piece_size, -0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(-2.6 * piece_size, 5.8 * piece_size, 2.6 * piece_size);
- glTexCoord2f(0.0f * piece_size, 8.8f / 17.8f * piece_size);
- glVertex3f(-2.0 * piece_size, 8.8 * piece_size, 4.0 * piece_size);
-
- glNormal3f(-0.982872, 0.184289, 0.0);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(-1.4 * piece_size, 12.2 * piece_size, -0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(-1.1422222222 * piece_size, 12.2 * piece_size,
- -2.2222222222 * piece_size);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(-2.6 * piece_size, 5.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(-2.6 * piece_size, 5.8 * piece_size, 2.6 * piece_size);
-
- glTexCoord2f(0.0f * piece_size, 14.8f / 17.8f * piece_size);
- glVertex3f(-0.55 * piece_size, 14.8 * piece_size, -2.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(-1.1422222222 * piece_size, 12.2 * piece_size,
- -2.2222222222 * piece_size);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(-1.4 * piece_size, 12.2 * piece_size, -0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(-0.6 * piece_size, 14.0 * piece_size, -1.4 * piece_size);
-
- /* Left */
- glNormal3f(0.969286, 0.231975, -0.081681);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(0.5 * piece_size, 13.8 * piece_size, 0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 8.8f / 17.8f * piece_size);
- glVertex3f(2.0 * piece_size, 8.8 * piece_size, 4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(2.6 * piece_size, 5.8 * piece_size, 2.6 * piece_size);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(1.4 * piece_size, 12.2 * piece_size, -0.4 * piece_size);
-
- glNormal3f(0.982872, 0.184289, 0.0);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(1.4 * piece_size, 12.2 * piece_size, -0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(2.6 * piece_size, 5.8 * piece_size, 2.6 * piece_size);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(2.6 * piece_size, 5.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(1.1422222222 * piece_size, 12.2 * piece_size,
- -2.2222222222 * piece_size);
-
- glTexCoord2f(0.0f * piece_size, 14.8f / 17.8f * piece_size);
- glVertex3f(0.55 * piece_size, 14.8 * piece_size, -2.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(0.6 * piece_size, 14.0 * piece_size, -1.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(1.4 * piece_size, 12.2 * piece_size, -0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(1.1422222222 * piece_size, 12.2 * piece_size,
- -2.2222222222 * piece_size);
- glEnd();
+ out[0] = v1[1] * v2[2] - v1[2] * v2[1];
+ out[1] = v1[2] * v2[0] - v1[0] * v2[2];
+ out[2] = v1[0] * v2[1] - v1[1] * v2[0];
+ normalize( out);
+}
- /* Triangles */
- glBegin(GL_TRIANGLES);
-
- /* Under mane */
- glNormal3f(0.819890, -0.220459, -0.528373);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(2.6 * piece_size, 5.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(1.44 * piece_size, 5.8 * piece_size, -2.6 * piece_size);
- glTexCoord2f(0.0f * piece_size, 7.8f / 17.8f * piece_size);
- glVertex3f(0.0, 7.8 * piece_size, -4.0 * piece_size);
-
- glNormal3f(0.0, -0.573462, -0.819232);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(1.44 * piece_size, 5.8 * piece_size, -2.6 * piece_size);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(-1.44 * piece_size, 5.8 * piece_size, -2.6 * piece_size);
- glTexCoord2f(0.0f * piece_size, 7.8f / 17.8f * piece_size);
- glVertex3f(0.0, 7.8 * piece_size, -4.0 * piece_size);
-
- glNormal3f(-0.819890, -0.220459, -0.528373);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(-2.6 * piece_size, 5.8 * piece_size, -0.8 * piece_size);
- glTexCoord2f(0.0f * piece_size, 7.8f / 17.8f * piece_size);
- glVertex3f(0.0, 7.8 * piece_size, -4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 5.8f / 17.8f * piece_size);
- glVertex3f(-1.44 * piece_size, 5.8 * piece_size, -2.6 * piece_size);
-
- /* Nose tip */
- glNormal3f(0.0, 0.0, 1.0);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(0.0, 14.0 * piece_size, 4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(0.8 * piece_size, 16.2 * piece_size, 4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(-0.8 * piece_size, 16.2 * piece_size, 4.0 * piece_size);
-
- /* Mouth left */
- glNormal3f(-0.752714, -0.273714, 0.598750);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(0.0, 14.0 * piece_size, 4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(-0.8 * piece_size, 16.2 * piece_size, 4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-1.2 * piece_size, 13.8 * piece_size, 2.4 * piece_size);
-
- glNormal3f(-0.957338, 0.031911, 0.287202);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-1.2 * piece_size, 13.8 * piece_size, 2.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(-0.8 * piece_size, 16.2 * piece_size, 4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, 3.4 * piece_size);
-
- glNormal3f(-0.997785, 0.066519, 0.0);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-1.2 * piece_size, 13.8 * piece_size, 2.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, 3.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, 3.0 * piece_size);
-
- /* Mouth right */
- glNormal3f(0.752714, -0.273714, 0.598750);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(0.0, 14.0 * piece_size, 4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.8 * piece_size, 2.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(0.8 * piece_size, 16.2 * piece_size, 4.0 * piece_size);
-
- glNormal3f(0.957338, 0.031911, 0.287202);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.8 * piece_size, 2.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, 3.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(0.8 * piece_size, 16.2 * piece_size, 4.0 * piece_size);
-
- glNormal3f(0.997785, 0.066519, 0.0);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.8 * piece_size, 2.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, 3.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, 3.4 * piece_size);
-
- /* Under nose */
- glNormal3f(0.0, -0.992278, 0.124035);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(0.0, 14.0 * piece_size, 4.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-1.2 * piece_size, 13.8 * piece_size, 2.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.8 * piece_size, 2.4 * piece_size);
-
- /* Neck indents */
- glNormal3f(-0.854714, 0.484047, 0.187514);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(-0.6 * piece_size, 14.0 * piece_size, -1.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(-1.4 * piece_size, 12.2 * piece_size, -0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-0.45 * piece_size, 13.8 * piece_size, -0.2 * piece_size);
-
- glNormal3f(-0.853747, 0.515805, -0.071146);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-0.45 * piece_size, 13.8 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(-1.4 * piece_size, 12.2 * piece_size, -0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-0.5 * piece_size, 13.8 * piece_size, 0.4 * piece_size);
-
- glNormal3f(0.854714, 0.484047, 0.187514);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(0.6 * piece_size, 14.0 * piece_size, -1.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(0.45 * piece_size, 13.8 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(1.4 * piece_size, 12.2 * piece_size, -0.4 * piece_size);
-
- glNormal3f(0.853747, 0.515805, -0.071146);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(0.45 * piece_size, 13.8 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(0.5 * piece_size, 13.8 * piece_size, 0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 12.2f / 17.8f * piece_size);
- glVertex3f(1.4 * piece_size, 12.2 * piece_size, -0.4 * piece_size);
-
- /* Under chin */
- glNormal3f(0.252982, -0.948683, -0.189737);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(0.6 * piece_size, 14.0 * piece_size, -1.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.6f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.6 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(0.45 * piece_size, 13.8 * piece_size, -0.2 * piece_size);
-
- glNormal3f(0.257603, -0.966012, 0.021467);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(0.5 * piece_size, 13.8 * piece_size, 0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(0.45 * piece_size, 13.8 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.6f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.6 * piece_size, -0.2 * piece_size);
-
- glNormal3f(0.126745, -0.887214, 0.443607);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(0.5 * piece_size, 13.8 * piece_size, 0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.6f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.6 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(1.2 * piece_size, 13.8 * piece_size, 0.2 * piece_size);
-
- glNormal3f(-0.252982, -0.948683, -0.189737);
- glTexCoord2f(0.0f * piece_size, 14.0f / 17.8f * piece_size);
- glVertex3f(-0.6 * piece_size, 14.0 * piece_size, -1.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-0.45 * piece_size, 13.8 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.6f / 17.8f * piece_size);
- glVertex3f(-1.2 * piece_size, 13.6 * piece_size, -0.2 * piece_size);
-
- glNormal3f(-0.257603, -0.966012, 0.021467);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-0.5 * piece_size, 13.8 * piece_size, 0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.6f / 17.8f * piece_size);
- glVertex3f(-1.2 * piece_size, 13.6 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-0.45 * piece_size, 13.8 * piece_size, -0.2 * piece_size);
-
- glNormal3f(-0.126745, -0.887214, 0.443607);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-0.5 * piece_size, 13.8 * piece_size, 0.4 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.8f / 17.8f * piece_size);
- glVertex3f(-1.2 * piece_size, 13.8 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 13.6f / 17.8f * piece_size);
- glVertex3f(-1.2 * piece_size, 13.6 * piece_size, -0.2 * piece_size);
-
- /* Eyes */
- glNormal3f(0.0, 0.0, -1.0);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(0.88 * piece_size, 16.2 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.4f / 17.8f * piece_size);
- glVertex3f(0.61333334 * piece_size, 16.4 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.6f / 17.8f * piece_size);
- glVertex3f(0.82666667 * piece_size, 16.6 * piece_size, 0.2 * piece_size);
-
- glNormal3f(0.000003, -0.668965, 0.743294);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.2 * piece_size, -0.74 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.6f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.6 * piece_size, -0.38 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.4f / 17.8f * piece_size);
- glVertex3f(0.8 * piece_size, 16.4 * piece_size, -0.56 * piece_size);
-
- glNormal3f(0.0, 0.0, -1.0);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(-0.88 * piece_size, 16.2 * piece_size, 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.6f / 17.8f * piece_size);
- glVertex3f(-0.82666667 * piece_size, 16.6 * piece_size,
- 0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.4f / 17.8f * piece_size);
- glVertex3f(-0.61333334 * piece_size, 16.4 * piece_size,
- 0.2 * piece_size);
-
- glNormal3f(-0.000003, -0.668965, 0.743294);
- glTexCoord2f(0.0f * piece_size, 16.2f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 16.2 * piece_size, -0.74 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.4f / 17.8f * piece_size);
- glVertex3f(-0.8 * piece_size, 16.4 * piece_size, -0.56 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.6f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 16.6 * piece_size, -0.38 * piece_size);
-
- /* Behind eyes */
- /* Right */
- glNormal3f(-0.997484, 0.070735, 0.004796);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-0.4 * piece_size, 16.8 * piece_size, -1.1 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, -2.0 * piece_size);
- glTexCoord2f(0.0f * piece_size, 15.8f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 15.8 * piece_size, -1.1 * piece_size);
-
- glNormal3f(-0.744437, 0.446663, -0.496292);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 16.8 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(-0.4 * piece_size, 16.8 * piece_size, -1.1 * piece_size);
- glTexCoord2f(0.0f * piece_size, 15.8f / 17.8f * piece_size);
- glVertex3f(-1.0 * piece_size, 15.8 * piece_size, -1.1 * piece_size);
-
- /* Left */
- glNormal3f(0.997484, 0.070735, 0.004796);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(0.4 * piece_size, 16.8 * piece_size, -1.1 * piece_size);
- glTexCoord2f(0.0f * piece_size, 15.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 15.8 * piece_size, -1.1 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, -2.0 * piece_size);
-
- glNormal3f(0.744437, 0.446663, -0.496292);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 16.8 * piece_size, -0.2 * piece_size);
- glTexCoord2f(0.0f * piece_size, 15.8f / 17.8f * piece_size);
- glVertex3f(1.0 * piece_size, 15.8 * piece_size, -1.1 * piece_size);
- glTexCoord2f(0.0f * piece_size, 16.8f / 17.8f * piece_size);
- glVertex3f(0.4 * piece_size, 16.8 * piece_size, -1.1 * piece_size);
+#define vectordiff(v1,v2,out) \
+ ((out)[0] = (v1)[0] - (v2)[0], \
+ (out)[1] = (v1)[1] - (v2)[1], \
+ (out)[2] = (v1)[2] - (v2)[2])
- glEnd();
-}
+#define vectoradd(v1,v2) \
+ ((v1)[0] += (v2)[0], \
+ (v1)[1] += (v2)[1], \
+ (v1)[2] += (v2)[2])
-void draw_bishop(void)
+int numverts;
+float *vertices;
+float *normals;
+
+static void count_vertex( void *dummy, double x, double y, double z)
{
- double trace_r[] =
- { 4.0, 4.0, 2.5, 2.5, 1.5, 1.2, 2.5, 1.7, 1.7, 2.2, 2.2,
- 1.0, 0.8, 1.2, 0.8, 0.0, 0.0
- };
- double trace_h[] =
- { 0.0, 2.0, 3.0, 4.0, 7.0, 9.4, 9.4, 11.0, 12.2, 13.2,
- 14.8, 16.0, 17.0, 17.7, 18.4, 18.4, 0.0
- };
-
- revolve_line(trace_r, trace_h, 0.0, ROT);
+ numverts++;
}
-void draw_queen(void)
+static void add_normal( void *dummy, int v1, int v2, int v3, int v4)
{
- double trace_r[] =
- { 4.8, 4.8, 3.4, 3.4, 1.8, 1.4, 2.9, 1.8, 1.8, 2.0, 2.7,
- 2.4, 1.7, 0.95, 0.7, 0.9, 0.7, 0.0, 0.0
- };
- double trace_h[] =
- { 0.0, 2.2, 4.0, 5.0, 8.0, 11.8, 11.8, 13.6, 15.2, 17.8,
- 19.2, 20.0, 20.0, 20.8, 20.8, 21.4, 22.0, 22.0, 0.0
- };
-
- revolve_line(trace_r, trace_h, 0.0, ROT);
+ float surfnormal[3],d1[3],d2[3];
+
+ if( v4 == -1) {
+ vectordiff( vertices + 3 * v2, vertices + 3 * v1, d1);
+ vectordiff( vertices + 3 * v3, vertices + 3 * v1, d2);
+ normcrossprod( d1, d2, surfnormal);
+ vectoradd( normals + 3 * v1, surfnormal);
+ vectoradd( normals + 3 * v2, surfnormal);
+ vectoradd( normals + 3 * v3, surfnormal);
+ } else {
+ vectordiff( vertices + 3 * v2, vertices + 3 * v1, d1);
+ vectordiff( vertices + 3 * v4, vertices + 3 * v1, d2);
+ normcrossprod( d1, d2, surfnormal);
+ vectoradd( normals + 3 * v1, surfnormal);
+ vectordiff( vertices + 3 * v3, vertices + 3 * v2, d1);
+ vectordiff( vertices + 3 * v1, vertices + 3 * v2, d2);
+ normcrossprod( d1, d2, surfnormal);
+ vectoradd( normals + 3 * v2, surfnormal);
+ vectordiff( vertices + 3 * v4, vertices + 3 * v3, d1);
+ vectordiff( vertices + 3 * v2, vertices + 3 * v3, d2);
+ normcrossprod( d1, d2, surfnormal);
+ vectoradd( normals + 3 * v3, surfnormal);
+ vectordiff( vertices + 3 * v1, vertices + 3 * v4, d1);
+ vectordiff( vertices + 3 * v3, vertices + 3 * v4, d2);
+ normcrossprod( d1, d2, surfnormal);
+ vectoradd( normals + 3 * v4, surfnormal);
+ }
}
-void draw_king(void)
+static void collect_vertex( void *curvert, double x, double y, double z)
{
- double trace_r[] =
- { 5.0, 5.0, 3.5, 3.5, 2.0, 1.4, 3.0, 2.0, 2.0, 2.8, 1.6,
- 1.6, 0.0, 0.0
- };
- double trace_h[] =
- { 0.0, 2.0, 3.0, 4.6, 7.6, 12.6, 12.6, 14.6, 15.6, 19.1,
- 19.7, 20.1, 20.1, 0.0
- };
-
- revolve_line(trace_r, trace_h, 0.0, ROT);
-
- glBegin(GL_QUADS);
-
- /* Cross front */
- glNormal3f(0.0, 0.0, 1.0);
-
- glVertex3f(-0.3 * piece_size, 20.1 * piece_size, 0.351 * piece_size);
- glVertex3f(0.3 * piece_size, 20.1 * piece_size, 0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 23.1 * piece_size, 0.35 * piece_size);
- glVertex3f(-0.3 * piece_size, 23.1 * piece_size, 0.35 * piece_size);
-
- glVertex3f(-0.9 * piece_size, 21.1 * piece_size, 0.35 * piece_size);
- glVertex3f(-0.3 * piece_size, 21.1 * piece_size, 0.35 * piece_size);
- glVertex3f(-0.3 * piece_size, 22.1 * piece_size, 0.35 * piece_size);
- glVertex3f(-0.9 * piece_size, 22.1 * piece_size, 0.35 * piece_size);
-
- glVertex3f(0.9 * piece_size, 21.1 * piece_size, 0.35 * piece_size);
- glVertex3f(0.9 * piece_size, 22.1 * piece_size, 0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 22.1 * piece_size, 0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 21.1 * piece_size, 0.35 * piece_size);
-
- /* Cross back */
- glNormal3f(0.0, 0.0, -1.0);
-
- glVertex3f(0.3 * piece_size, 20.1 * piece_size, -0.35 * piece_size);
- glVertex3f(-0.3 * piece_size, 20.1 * piece_size, -0.35 * piece_size);
- glVertex3f(-0.3 * piece_size, 23.1 * piece_size, -0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 23.1 * piece_size, -0.35 * piece_size);
-
- glVertex3f(-0.3 * piece_size, 21.1 * piece_size, -0.35 * piece_size);
- glVertex3f(-0.9 * piece_size, 21.1 * piece_size, -0.35 * piece_size);
- glVertex3f(-0.9 * piece_size, 22.1 * piece_size, -0.35 * piece_size);
- glVertex3f(-0.3 * piece_size, 22.1 * piece_size, -0.35 * piece_size);
-
- glVertex3f(0.3 * piece_size, 21.1 * piece_size, -0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 22.1 * piece_size, -0.35 * piece_size);
- glVertex3f(0.9 * piece_size, 22.1 * piece_size, -0.35 * piece_size);
- glVertex3f(0.9 * piece_size, 21.1 * piece_size, -0.35 * piece_size);
-
- /* Cross left */
- glNormal3f(-1.0, 0.0, 0.0);
-
- glVertex3f(-0.9 * piece_size, 21.1 * piece_size, 0.35 * piece_size);
- glVertex3f(-0.9 * piece_size, 22.1 * piece_size, 0.35 * piece_size);
- glVertex3f(-0.9 * piece_size, 22.1 * piece_size, -0.35 * piece_size);
- glVertex3f(-0.9 * piece_size, 21.1 * piece_size, -0.35 * piece_size);
-
- glVertex3f(-0.3 * piece_size, 20.1 * piece_size, 0.35 * piece_size);
- glVertex3f(-0.3 * piece_size, 21.1 * piece_size, 0.35 * piece_size);
- glVertex3f(-0.3 * piece_size, 21.1 * piece_size, -0.35 * piece_size);
- glVertex3f(-0.3 * piece_size, 20.1 * piece_size, -0.35 * piece_size);
-
- glVertex3f(-0.3 * piece_size, 22.1 * piece_size, 0.3 * piece_size);
- glVertex3f(-0.3 * piece_size, 23.1 * piece_size, 0.3 * piece_size);
- glVertex3f(-0.3 * piece_size, 23.1 * piece_size, -0.3 * piece_size);
- glVertex3f(-0.3 * piece_size, 22.1 * piece_size, -0.3 * piece_size);
-
- /* Cross right */
- glNormal3f(1.0, 0.0, 0.0);
-
- glVertex3f(0.9 * piece_size, 21.1 * piece_size, -0.35 * piece_size);
- glVertex3f(0.9 * piece_size, 22.1 * piece_size, -0.35 * piece_size);
- glVertex3f(0.9 * piece_size, 22.1 * piece_size, 0.35 * piece_size);
- glVertex3f(0.9 * piece_size, 21.1 * piece_size, 0.35 * piece_size);
-
- glVertex3f(0.3 * piece_size, 20.1 * piece_size, -0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 21.1 * piece_size, -0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 21.1 * piece_size, 0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 20.1 * piece_size, 0.35 * piece_size);
-
- glVertex3f(0.3 * piece_size, 22.1 * piece_size, -0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 23.1 * piece_size, -0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 23.1 * piece_size, 0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 22.1 * piece_size, 0.35 * piece_size);
-
- /* Cross top */
- glNormal3f(0.0, 1.0, 0.0);
-
- glVertex3f(-0.9 * piece_size, 22.1 * piece_size, -0.35 * piece_size);
- glVertex3f(-0.9 * piece_size, 22.1 * piece_size, 0.35 * piece_size);
- glVertex3f(-0.3 * piece_size, 22.1 * piece_size, 0.35 * piece_size);
- glVertex3f(-0.3 * piece_size, 22.1 * piece_size, -0.35 * piece_size);
-
- glVertex3f(0.3 * piece_size, 22.1 * piece_size, -0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 22.1 * piece_size, 0.35 * piece_size);
- glVertex3f(0.9 * piece_size, 22.1 * piece_size, 0.35 * piece_size);
- glVertex3f(0.9 * piece_size, 22.1 * piece_size, -0.35 * piece_size);
-
- glVertex3f(-0.3 * piece_size, 23.1 * piece_size, -0.35 * piece_size);
- glVertex3f(-0.3 * piece_size, 23.1 * piece_size, 0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 23.1 * piece_size, 0.35 * piece_size);
- glVertex3f(0.3 * piece_size, 23.1 * piece_size, -0.35 * piece_size);
+ (*(float**)curvert)[0] = x;
+ (*(float**)curvert)[1] = y;
+ (*(float**)curvert)[2] = z;
+ (*(float**)curvert) += 3;
+}
+static void draw_face( void *dummy, int v1, int v2, int v3, int v4)
+{
+ glBegin( v4 == -1 ? GL_TRIANGLES : GL_QUADS);
+ glNormal3f( normals[v1*3], normals[v1*3+1], normals[v1*3+2]);
+ glVertex3f( vertices[v1*3], vertices[v1*3+1], vertices[v1*3+2]);
+ glNormal3f( normals[v2*3], normals[v2*3+1], normals[v2*3+2]);
+ glVertex3f( vertices[v2*3], vertices[v2*3+1], vertices[v2*3+2]);
+ glNormal3f( normals[v3*3], normals[v3*3+1], normals[v3*3+2]);
+ glVertex3f( vertices[v3*3], vertices[v3*3+1], vertices[v3*3+2]);
+ if( v4 != -1) {
+ glNormal3f( normals[v4*3], normals[v4*3+1], normals[v4*3+2]);
+ glVertex3f( vertices[v4*3], vertices[v4*3+1], vertices[v4*3+2]);
+ }
glEnd();
}
+
+static int draw_piece( unsigned short *piece_data)
+{
+ int i;
+ float *curvert;
+ int count = 0;
+
+ /* Count how many vertices this piece has */
+ enumerate_vertices( piece_data, NULL, count_vertex);
+
+ /* Allocate memory for the vertices and for the vertex normals */
+ vertices = malloc( sizeof(float) * 3 * numverts);
+ normals = malloc( sizeof(float) * 3 * numverts);
+ if( !vertices || !normals) exit(1);
+
+ /* Collect the vertex coordinates */
+ curvert = vertices;
+ enumerate_vertices( piece_data, &curvert, collect_vertex);
+
+ /* Zero out the normals */
+ for( i=0; i < numverts * 3; i++) {
+ normals[i] = 0.0;
+ }
+
+ /* Add up all the face normals at each vertex */
+ enumerate_faces( piece_data, NULL, NULL, add_normal);
+
+ /* Normalize the vertex normals */
+ for( i=0; i < numverts; i++) {
+ normalize( normals + i * 3);
+ }
+
+ /* Now draw the faces */
+ enumerate_faces( piece_data, NULL, &count, draw_face);
+
+ free( normals);
+ free( vertices);
+
+ if (count <= 1) abort();
+ return count;
+}
+
+void gen_model_lists( int classic, int poly_count[PIECES]) {
+ piece_size = classic ? 0.095 / 100 : 0.3 / 8192;
+
+ glNewList(KING, GL_COMPILE);
+ poly_count[KING] = draw_piece( classic ? classic_king_data : king_data);
+ glEndList();
+
+ glNewList(QUEEN, GL_COMPILE);
+ poly_count[QUEEN] = draw_piece( classic ? classic_queen_data : queen_data);
+ glEndList();
+
+ glNewList(BISHOP, GL_COMPILE);
+ poly_count[BISHOP] = draw_piece( classic ? classic_bishop_data : bishop_data);
+ glEndList();
+
+ glNewList(KNIGHT, GL_COMPILE);
+ poly_count[KNIGHT] = draw_piece( classic ? classic_knight_data : knight_data);
+ glEndList();
+
+ glNewList(ROOK, GL_COMPILE);
+ poly_count[ROOK] = draw_piece( classic ? classic_rook_data : rook_data);
+ glEndList();
+
+ glNewList(PAWN, GL_COMPILE);
+ poly_count[PAWN] = draw_piece( classic ? classic_pawn_data : pawn_data);
+ glEndList();
+}
projects / xscreensaver / blobdiff