apps/plugins/cube.c

   1 /***************************************************************************
   2 *             __________               __   ___.
   3 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7 *                     \/            \/     \/    \/            \/
   8 * $Id$
   9 *
  10 * Copyright (C) 2002 Damien Teney
  11 * modified to use int instead of float math by Andreas Zwirtes
  12 * heavily extended by Jens Arnold
  13 *
  14 * This program is free software; you can redistribute it and/or
  15 * modify it under the terms of the GNU General Public License
  16 * as published by the Free Software Foundation; either version 2
  17 * of the License, or (at your option) any later version.
  18 *
  19 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  20 * KIND, either express or implied.
  21 *
  22 ***************************************************************************/
  23 #include "plugin.h"
  24 #include "lib/grey.h"
  25 #include "lib/playergfx.h"
  26 #include "lib/xlcd.h"
  27 #include "lib/fixedpoint.h"
  28
  29 PLUGIN_HEADER
  30
  31 /* Loops that the values are displayed */
  32 #define DISP_TIME 30
  33
  34 /* variable button definitions */
  35 #if CONFIG_KEYPAD == RECORDER_PAD
  36 #define CUBE_QUIT          BUTTON_OFF
  37 #define CUBE_NEXT          BUTTON_RIGHT
  38 #define CUBE_PREV          BUTTON_LEFT
  39 #define CUBE_INC           BUTTON_UP
  40 #define CUBE_DEC           BUTTON_DOWN
  41 #define CUBE_MODE          BUTTON_F1
  42 #define CUBE_PAUSE         BUTTON_PLAY
  43 #define CUBE_HIGHSPEED     BUTTON_ON
  44
  45 #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
  46 #define CUBE_QUIT          BUTTON_OFF
  47 #define CUBE_NEXT          BUTTON_RIGHT
  48 #define CUBE_PREV          BUTTON_LEFT
  49 #define CUBE_INC           BUTTON_UP
  50 #define CUBE_DEC           BUTTON_DOWN
  51 #define CUBE_MODE          BUTTON_F1
  52 #define CUBE_PAUSE         BUTTON_SELECT
  53 #define CUBE_HIGHSPEED     BUTTON_ON
  54
  55 #elif CONFIG_KEYPAD == PLAYER_PAD
  56 #define CUBE_QUIT          BUTTON_STOP
  57 #define CUBE_INC           BUTTON_RIGHT
  58 #define CUBE_DEC           BUTTON_LEFT
  59 #define CUBE_NEXT          (BUTTON_ON | BUTTON_RIGHT)
  60 #define CUBE_PREV          (BUTTON_ON | BUTTON_LEFT)
  61 #define CUBE_MODE          BUTTON_MENU
  62 #define CUBE_PAUSE         BUTTON_PLAY
  63 #define CUBE_HIGHSPEED_PRE BUTTON_ON
  64 #define CUBE_HIGHSPEED     (BUTTON_ON | BUTTON_REL)
  65
  66 #elif CONFIG_KEYPAD == ONDIO_PAD
  67 #define CUBE_QUIT          BUTTON_OFF
  68 #define CUBE_NEXT          BUTTON_RIGHT
  69 #define CUBE_PREV          BUTTON_LEFT
  70 #define CUBE_INC           BUTTON_UP
  71 #define CUBE_DEC           BUTTON_DOWN
  72 #define CUBE_MODE_PRE      BUTTON_MENU
  73 #define CUBE_MODE          (BUTTON_MENU | BUTTON_REL)
  74 #define CUBE_PAUSE         (BUTTON_MENU | BUTTON_LEFT)
  75 #define CUBE_HIGHSPEED     (BUTTON_MENU | BUTTON_RIGHT)
  76
  77 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
  78       (CONFIG_KEYPAD == IRIVER_H300_PAD)
  79 #define CUBE_QUIT          BUTTON_OFF
  80 #define CUBE_NEXT          BUTTON_RIGHT
  81 #define CUBE_PREV          BUTTON_LEFT
  82 #define CUBE_INC           BUTTON_UP
  83 #define CUBE_DEC           BUTTON_DOWN
  84 #define CUBE_MODE          BUTTON_MODE
  85 #define CUBE_PAUSE         BUTTON_ON
  86 #define CUBE_HIGHSPEED     BUTTON_SELECT
  87
  88 #define CUBE_RC_QUIT       BUTTON_RC_STOP
  89
  90 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  91       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  92       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  93 #define CUBE_QUIT          (BUTTON_SELECT | BUTTON_MENU)
  94 #define CUBE_NEXT          BUTTON_RIGHT
  95 #define CUBE_PREV          BUTTON_LEFT
  96 #define CUBE_INC           BUTTON_SCROLL_FWD
  97 #define CUBE_DEC           BUTTON_SCROLL_BACK
  98 #define CUBE_MODE          BUTTON_MENU
  99 #define CUBE_PAUSE         BUTTON_PLAY
 100 #define CUBE_HIGHSPEED_PRE BUTTON_SELECT
 101 #define CUBE_HIGHSPEED     (BUTTON_SELECT | BUTTON_REL)
 102
 103 #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
 104 #define CUBE_QUIT          BUTTON_PLAY
 105 #define CUBE_NEXT          BUTTON_RIGHT
 106 #define CUBE_PREV          BUTTON_LEFT
 107 #define CUBE_INC           BUTTON_UP
 108 #define CUBE_DEC           BUTTON_DOWN
 109 #define CUBE_MODE          BUTTON_MODE
 110 #define CUBE_PAUSE         BUTTON_SELECT
 111 #define CUBE_HIGHSPEED     BUTTON_EQ
 112
 113 #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
 114 #define CUBE_QUIT          BUTTON_POWER
 115 #define CUBE_NEXT          BUTTON_RIGHT
 116 #define CUBE_PREV          BUTTON_LEFT
 117 #define CUBE_INC           BUTTON_UP
 118 #define CUBE_DEC           BUTTON_DOWN
 119 #define CUBE_MODE          BUTTON_REC
 120 #define CUBE_PAUSE         BUTTON_PLAY
 121 #define CUBE_HIGHSPEED     BUTTON_SELECT
 122
 123 #elif (CONFIG_KEYPAD == GIGABEAT_PAD)
 124 #define CUBE_QUIT          BUTTON_POWER
 125 #define CUBE_NEXT          BUTTON_RIGHT
 126 #define CUBE_PREV          BUTTON_LEFT
 127 #define CUBE_INC           BUTTON_UP
 128 #define CUBE_DEC           BUTTON_DOWN
 129 #define CUBE_MODE          BUTTON_MENU
 130 #define CUBE_PAUSE         BUTTON_SELECT
 131 #define CUBE_HIGHSPEED     BUTTON_A
 132
 133 #elif (CONFIG_KEYPAD == SANSA_E200_PAD)
 134 #define CUBE_QUIT          BUTTON_POWER
 135 #define CUBE_NEXT          BUTTON_RIGHT
 136 #define CUBE_PREV          BUTTON_LEFT
 137 #define CUBE_INC           BUTTON_SCROLL_FWD
 138 #define CUBE_DEC           BUTTON_SCROLL_BACK
 139 #define CUBE_MODE          BUTTON_DOWN
 140 #define CUBE_PAUSE         BUTTON_UP
 141 #define CUBE_HIGHSPEED     BUTTON_SELECT
 142
 143 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
 144 #define CUBE_QUIT          (BUTTON_HOME|BUTTON_REPEAT)
 145 #define CUBE_NEXT          BUTTON_RIGHT
 146 #define CUBE_PREV          BUTTON_LEFT
 147 #define CUBE_INC           BUTTON_SCROLL_FWD
 148 #define CUBE_DEC           BUTTON_SCROLL_BACK
 149 #define CUBE_MODE          BUTTON_DOWN
 150 #define CUBE_PAUSE         BUTTON_UP
 151 #define CUBE_HIGHSPEED     BUTTON_SELECT
 152
 153 #elif (CONFIG_KEYPAD == SANSA_C200_PAD) || \
 154 (CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
 155 (CONFIG_KEYPAD == SANSA_M200_PAD)
 156 #define CUBE_QUIT          BUTTON_POWER
 157 #define CUBE_NEXT          BUTTON_RIGHT
 158 #define CUBE_PREV          BUTTON_LEFT
 159 #define CUBE_INC           BUTTON_VOL_UP
 160 #define CUBE_DEC           BUTTON_VOL_DOWN
 161 #define CUBE_MODE          BUTTON_DOWN
 162 #define CUBE_PAUSE         BUTTON_UP
 163 #define CUBE_HIGHSPEED     BUTTON_SELECT
 164
 165
 166 #elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
 167 #define CUBE_QUIT          BUTTON_POWER
 168 #define CUBE_NEXT          BUTTON_RIGHT
 169 #define CUBE_PREV          BUTTON_LEFT
 170 #define CUBE_INC           BUTTON_SCROLL_UP
 171 #define CUBE_DEC           BUTTON_SCROLL_DOWN
 172 #define CUBE_MODE          BUTTON_REW
 173 #define CUBE_PAUSE         BUTTON_PLAY
 174 #define CUBE_HIGHSPEED     BUTTON_FF
 175
 176 #elif CONFIG_KEYPAD == MROBE500_PAD
 177 #define CUBE_QUIT          BUTTON_POWER
 178
 179 #elif CONFIG_KEYPAD == GIGABEAT_S_PAD
 180 #define CUBE_QUIT          BUTTON_BACK
 181 #define CUBE_NEXT          BUTTON_RIGHT
 182 #define CUBE_PREV          BUTTON_LEFT
 183 #define CUBE_INC           BUTTON_UP
 184 #define CUBE_DEC           BUTTON_DOWN
 185 #define CUBE_MODE          BUTTON_MENU
 186 #define CUBE_PAUSE         BUTTON_PLAY
 187 #define CUBE_HIGHSPEED     BUTTON_SELECT
 188
 189 #elif (CONFIG_KEYPAD == MROBE100_PAD)
 190 #define CUBE_QUIT          BUTTON_POWER
 191 #define CUBE_NEXT          BUTTON_RIGHT
 192 #define CUBE_PREV          BUTTON_LEFT
 193 #define CUBE_INC           BUTTON_UP
 194 #define CUBE_DEC           BUTTON_DOWN
 195 #define CUBE_MODE          BUTTON_MENU
 196 #define CUBE_PAUSE         BUTTON_PLAY
 197 #define CUBE_HIGHSPEED     BUTTON_SELECT
 198
 199 #elif (CONFIG_KEYPAD == IAUDIO_M3_PAD)
 200 #define CUBE_QUIT          BUTTON_RC_REC
 201 #define CUBE_NEXT          BUTTON_RC_FF
 202 #define CUBE_PREV          BUTTON_RC_REW
 203 #define CUBE_INC           BUTTON_RC_VOL_UP
 204 #define CUBE_DEC           BUTTON_RC_VOL_DOWN
 205 #define CUBE_MODE          BUTTON_RC_MODE
 206 #define CUBE_PAUSE         BUTTON_RC_PLAY
 207 #define CUBE_HIGHSPEED     BUTTON_RC_MENU
 208
 209 #elif CONFIG_KEYPAD == COWON_D2_PAD
 210 #define CUBE_QUIT          BUTTON_POWER
 211
 212 #elif (CONFIG_KEYPAD == IAUDIO67_PAD)
 213 #define CUBE_QUIT          BUTTON_POWER
 214 #define CUBE_NEXT          BUTTON_RIGHT
 215 #define CUBE_PREV          BUTTON_LEFT
 216 #define CUBE_INC           BUTTON_VOLUP
 217 #define CUBE_DEC           BUTTON_VOLDOWN
 218 #define CUBE_MODE          BUTTON_MENU
 219 #define CUBE_PAUSE         BUTTON_PLAY
 220 #define CUBE_HIGHSPEED     BUTTON_STOP
 221
 222 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 223 #define CUBE_QUIT          BUTTON_BACK
 224 #define CUBE_NEXT          BUTTON_RIGHT
 225 #define CUBE_PREV          BUTTON_LEFT
 226 #define CUBE_INC           BUTTON_UP
 227 #define CUBE_DEC           BUTTON_DOWN
 228 #define CUBE_MODE          BUTTON_MENU
 229 #define CUBE_PAUSE         BUTTON_PLAY
 230 #define CUBE_HIGHSPEED     BUTTON_SELECT
 231
 232 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
 233 #define CUBE_QUIT          BUTTON_POWER
 234 #define CUBE_NEXT          BUTTON_RIGHT
 235 #define CUBE_PREV          BUTTON_LEFT
 236 #define CUBE_INC           BUTTON_UP
 237 #define CUBE_DEC           BUTTON_DOWN
 238 #define CUBE_MODE          BUTTON_MENU
 239 #define CUBE_PAUSE         BUTTON_SELECT
 240 #define CUBE_HIGHSPEED     BUTTON_VIEW
 241
 242 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 243 #define CUBE_QUIT          BUTTON_POWER
 244 #define CUBE_NEXT          BUTTON_NEXT
 245 #define CUBE_PREV          BUTTON_PREV
 246 #define CUBE_INC           BUTTON_UP
 247 #define CUBE_DEC           BUTTON_DOWN
 248 #define CUBE_MODE          BUTTON_MENU
 249 #define CUBE_PAUSE         BUTTON_PLAY
 250 #define CUBE_HIGHSPEED     BUTTON_RIGHT
 251
 252 #elif CONFIG_KEYPAD == ONDAVX747_PAD
 253 #define CUBE_QUIT          BUTTON_POWER
 254 #elif CONFIG_KEYPAD == ONDAVX777_PAD
 255 #define CUBE_QUIT          BUTTON_POWER
 256
 257 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
 258 #define CUBE_QUIT          BUTTON_REC
 259 #define CUBE_NEXT          BUTTON_RIGHT
 260 #define CUBE_PREV          BUTTON_LEFT
 261 #define CUBE_INC           BUTTON_UP
 262 #define CUBE_DEC           BUTTON_DOWN
 263 #define CUBE_MODE          BUTTON_REW
 264 #define CUBE_PAUSE         BUTTON_PLAY
 265 #define CUBE_HIGHSPEED     BUTTON_FFWD
 266
 267 #elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
 268 #define CUBE_QUIT          BUTTON_REC
 269 #define CUBE_NEXT          BUTTON_NEXT
 270 #define CUBE_PREV          BUTTON_PREV
 271 #define CUBE_INC           BUTTON_UP
 272 #define CUBE_DEC           BUTTON_DOWN
 273 #define CUBE_MODE          BUTTON_MENU
 274 #define CUBE_PAUSE         BUTTON_PLAY
 275 #define CUBE_HIGHSPEED     BUTTON_OK
 276
 277 #else
 278 #error No keymap defined!
 279 #endif
 280
 281 #ifdef HAVE_TOUCHSCREEN
 282 #ifndef CUBE_QUIT
 283 #define CUBE_QUIT          BUTTON_TOPLEFT
 284 #endif
 285 #ifndef CUBE_NEXT
 286 #define CUBE_NEXT          BUTTON_MIDRIGHT
 287 #endif
 288 #ifndef CUBE_PREV
 289 #define CUBE_PREV          BUTTON_MIDLEFT
 290 #endif
 291 #ifndef CUBE_INC
 292 #define CUBE_INC           BUTTON_TOPMIDDLE
 293 #endif
 294 #ifndef CUBE_DEC
 295 #define CUBE_DEC           BUTTON_BOTTOMMIDDLE
 296 #endif
 297 #ifndef CUBE_MODE
 298 #define CUBE_MODE          BUTTON_TOPRIGHT
 299 #endif
 300 #ifndef CUBE_PAUSE
 301 #define CUBE_PAUSE         BUTTON_CENTER
 302 #endif
 303 #ifndef CUBE_HIGHSPEED
 304 #define CUBE_HIGHSPEED     BUTTON_BOTTOMRIGHT
 305 #endif
 306 #endif
 307
 308
 309 #ifdef HAVE_LCD_BITMAP
 310
 311 #define DIST (10 * MIN(LCD_HEIGHT, LCD_WIDTH) / 16)
 312 static int x_off = LCD_WIDTH/2;
 313 static int y_off = LCD_HEIGHT/2;
 314
 315 #if LCD_DEPTH == 1
 316 #define USEGSLIB
 317 GREY_INFO_STRUCT
 318 struct my_lcd {
 319     void (*update)(void);
 320     void (*clear_display)(void);
 321     void (*drawline)(int x1, int y1, int x2, int y2);
 322     void (*putsxy)(int x, int y, const unsigned char *string);
 323 };
 324
 325 static struct my_lcd greyfuncs = {
 326     grey_update, grey_clear_display, grey_drawline, grey_putsxy
 327 };
 328 static struct my_lcd lcdfuncs; /* initialised at runtime */
 329 static struct my_lcd *mylcd = &greyfuncs;
 330
 331 #define MYLCD(fn) mylcd->fn
 332 #define MY_FILLTRIANGLE(x1, y1, x2, y2, x3, y3) grey_filltriangle(x1, y1, x2, y2, x3, y3)
 333 #define MY_SET_FOREGROUND(fg) grey_set_foreground(fg)
 334 #define MY_GET_FOREGROUND() grey_get_foreground()
 335
 336 #else
 337 #define MYLCD(fn) rb->lcd_ ## fn
 338 #define MY_FILLTRIANGLE(x1, y1, x2, y2, x3, y3) xlcd_filltriangle(x1, y1, x2, y2, x3, y3)
 339 #define MY_SET_FOREGROUND(fg) rb->lcd_set_foreground(fg)
 340 #define MY_GET_FOREGROUND() rb->lcd_get_foreground()
 341 #endif
 342
 343 #if CONFIG_LCD == LCD_SSD1815
 344 #define ASPECT 320 /* = 1.25 (fixed point 24.8) */
 345 #else
 346 #define ASPECT 256 /* = 1.00 */
 347 #endif
 348
 349 #else /* !LCD_BITMAP */
 350
 351 #define MYLCD(fn) pgfx_ ## fn
 352 #define DIST 9
 353 static int x_off = 10;
 354 static int y_off = 7;
 355 #define ASPECT 300 /* = 1.175 */
 356
 357 #endif /* !LCD_BITMAP */
 358
 359 struct point_3D {
 360     long x, y, z;
 361 };
 362
 363 struct point_2D {
 364     long x, y;
 365 };
 366
 367 struct line {
 368     int start, end;
 369 };
 370
 371 struct face {
 372     int corner[4];
 373     int line[4];
 374 };
 375
 376 /* initial, unrotated cube corners */
 377 static const struct point_3D sommet[8] =
 378 {
 379     {-DIST, -DIST, -DIST},
 380     { DIST, -DIST, -DIST},
 381     { DIST,  DIST, -DIST},
 382     {-DIST,  DIST, -DIST},
 383     {-DIST, -DIST,  DIST},
 384     { DIST, -DIST,  DIST},
 385     { DIST,  DIST,  DIST},
 386     {-DIST,  DIST,  DIST}
 387 };
 388
 389 /* The 12 lines forming the edges */
 390 static const struct line lines[12] =
 391 {
 392     {0, 1}, {1, 2}, {2, 3}, {3, 0},
 393     {4, 7}, {7, 6}, {6, 5}, {5, 4},
 394     {0, 4}, {1, 5}, {2, 6}, {3, 7}
 395 };
 396
 397 static bool lines_drawn[12];
 398
 399 /* The 6 faces of the cube; points are in clockwise order when viewed
 400    from the outside */
 401 static const struct face faces[6] =
 402 {
 403     {{0, 1, 2, 3}, {0, 1, 2, 3}},
 404     {{4, 7, 6, 5}, {4, 5, 6, 7}},
 405     {{0, 4, 5, 1}, {8, 7, 9, 0}},
 406     {{2, 6, 7, 3}, {10, 5, 11, 2}},
 407     {{0, 3, 7, 4}, {3, 11, 4, 8}},
 408     {{1, 5, 6, 2}, {9, 6, 10, 1}}
 409 };
 410
 411 #if LCD_DEPTH > 1 || defined(USEGSLIB)
 412 static const unsigned face_colors[6] =
 413 {
 414 #ifdef HAVE_LCD_COLOR
 415     LCD_RGBPACK(255, 0, 0), LCD_RGBPACK(255, 0, 0), LCD_RGBPACK(0, 255, 0),
 416     LCD_RGBPACK(0, 255, 0), LCD_RGBPACK(0, 0, 255), LCD_RGBPACK(0, 0, 255)
 417 #elif defined(USEGSLIB)
 418 #ifdef MROBE_100
 419     GREY_LIGHTGRAY, GREY_LIGHTGRAY, GREY_DARKGRAY,
 420     GREY_DARKGRAY,  GREY_WHITE,     GREY_WHITE
 421 #else
 422     GREY_LIGHTGRAY, GREY_LIGHTGRAY, GREY_DARKGRAY,
 423     GREY_DARKGRAY,  GREY_BLACK,     GREY_BLACK
 424 #endif
 425 #else
 426     LCD_LIGHTGRAY, LCD_LIGHTGRAY, LCD_DARKGRAY,
 427     LCD_DARKGRAY,  LCD_BLACK,     LCD_BLACK
 428 #endif
 429 };
 430 #endif
 431
 432 enum {
 433 #if LCD_DEPTH > 1 || defined(USEGSLIB)
 434     SOLID,
 435 #endif
 436     HIDDEN_LINES,
 437     WIREFRAME,
 438     NUM_MODES
 439 };
 440
 441 static int mode = 0;
 442
 443 struct counter {
 444     const char *label;
 445     short speed;
 446     short angle;
 447 };
 448
 449 static struct counter axes[] = {
 450     {"x-axis", 1, 0},
 451     {"y-axis", 3, 0},
 452     {"z-axis", 2, 0}
 453 };
 454
 455 static struct point_3D point3D[8];
 456 static struct point_2D point2D[8];
 457 static long matrice[3][3];
 458
 459 static const int nb_points = 8;
 460 static long z_off = 600;
 461
 462 static void cube_rotate(int xa, int ya, int za)
 463 {
 464     int i;
 465     /* Just to prevent unnecessary lookups */
 466     long sxa, cxa, sya, cya, sza, cza;
 467
 468     sxa = fp14_sin(xa);
 469     cxa = fp14_cos(xa);
 470     sya = fp14_sin(ya);
 471     cya = fp14_cos(ya);
 472     sza = fp14_sin(za);
 473     cza = fp14_cos(za);
 474
 475     /* calculate overall translation matrix */
 476     matrice[0][0] = (cza * cya) >> 14;
 477     matrice[1][0] = (sza * cya) >> 14;
 478     matrice[2][0] = -sya;
 479
 480     matrice[0][1] = (((cza * sya) >> 14) * sxa - sza * cxa) >> 14;
 481     matrice[1][1] = (((sza * sya) >> 14) * sxa + cxa * cza) >> 14;
 482     matrice[2][1] = (sxa * cya) >> 14;
 483
 484     matrice[0][2] = (((cza * sya) >> 14) * cxa + sza * sxa) >> 14;
 485     matrice[1][2] = (((sza * sya) >> 14) * cxa - cza * sxa) >> 14;
 486     matrice[2][2] = (cxa * cya) >> 14;
 487
 488     /* apply translation matrix to all points */
 489     for (i = 0; i < nb_points; i++)
 490     {
 491         point3D[i].x = matrice[0][0] * sommet[i].x + matrice[1][0] * sommet[i].y
 492                      + matrice[2][0] * sommet[i].z;
 493
 494         point3D[i].y = matrice[0][1] * sommet[i].x + matrice[1][1] * sommet[i].y
 495                      + matrice[2][1] * sommet[i].z;
 496
 497         point3D[i].z = matrice[0][2] * sommet[i].x + matrice[1][2] * sommet[i].y
 498                      + matrice[2][2] * sommet[i].z;
 499     }
 500 }
 501
 502 static void cube_viewport(void)
 503 {
 504     int i;
 505
 506     /* Do viewport transformation for all points */
 507     for (i = 0; i < nb_points; i++)
 508     {
 509 #if ASPECT != 256
 510         point2D[i].x = (point3D[i].x * ASPECT) / (point3D[i].z + (z_off << 14))
 511                      + x_off;
 512 #else
 513         point2D[i].x = (point3D[i].x << 8) / (point3D[i].z + (z_off << 14))
 514                      + x_off;
 515 #endif
 516         point2D[i].y = (point3D[i].y << 8) / (point3D[i].z + (z_off << 14))
 517                      + y_off;
 518     }
 519 }
 520
 521 static void cube_draw(void)
 522 {
 523     int i, j, line;
 524 #if LCD_DEPTH > 1 || defined(USEGSLIB)
 525     unsigned old_foreground;
 526 #endif
 527
 528     switch (mode)
 529     {
 530 #if LCD_DEPTH > 1 || defined(USEGSLIB)
 531       case SOLID:
 532
 533         old_foreground = MY_GET_FOREGROUND();
 534         for (i = 0; i < 6; i++)
 535         {
 536             /* backface culling; if the shape winds counter-clockwise, we are
 537              * looking at the backface, and the (simplified) cross product
 538              * is < 0. Do not draw it. */
 539             if (0 >= (point2D[faces[i].corner[1]].x - point2D[faces[i].corner[0]].x)
 540                    * (point2D[faces[i].corner[2]].y - point2D[faces[i].corner[1]].y)
 541                    - (point2D[faces[i].corner[1]].y - point2D[faces[i].corner[0]].y)
 542                    * (point2D[faces[i].corner[2]].x - point2D[faces[i].corner[1]].x))
 543                 continue;
 544
 545             MY_SET_FOREGROUND(face_colors[i]);
 546             MY_FILLTRIANGLE(point2D[faces[i].corner[0]].x,
 547                             point2D[faces[i].corner[0]].y,
 548                             point2D[faces[i].corner[1]].x,
 549                             point2D[faces[i].corner[1]].y,
 550                             point2D[faces[i].corner[2]].x,
 551                             point2D[faces[i].corner[2]].y);
 552             MY_FILLTRIANGLE(point2D[faces[i].corner[0]].x,
 553                             point2D[faces[i].corner[0]].y,
 554                             point2D[faces[i].corner[2]].x,
 555                             point2D[faces[i].corner[2]].y,
 556                             point2D[faces[i].corner[3]].x,
 557                             point2D[faces[i].corner[3]].y);
 558
 559         }
 560         MY_SET_FOREGROUND(old_foreground);
 561         break;
 562 #endif /* (LCD_DEPTH > 1) || GSLIB */
 563
 564       case HIDDEN_LINES:
 565
 566         rb->memset(lines_drawn, 0, sizeof(lines_drawn));
 567         for (i = 0; i < 6; i++)
 568         {
 569             /* backface culling; if the shape winds counter-clockwise, we are
 570              * looking at the backface, and the (simplified) cross product
 571              * is < 0. Do not draw it. */
 572             if (0 >= (point2D[faces[i].corner[1]].x - point2D[faces[i].corner[0]].x)
 573                    * (point2D[faces[i].corner[2]].y - point2D[faces[i].corner[1]].y)
 574                    - (point2D[faces[i].corner[1]].y - point2D[faces[i].corner[0]].y)
 575                    * (point2D[faces[i].corner[2]].x - point2D[faces[i].corner[1]].x))
 576                 continue;
 577
 578             for (j = 0; j < 4; j++)
 579             {
 580                 line = faces[i].line[j];
 581                 if (!lines_drawn[line])
 582                 {
 583                     lines_drawn[line] = true;
 584                     MYLCD(drawline)(point2D[lines[line].start].x,
 585                                     point2D[lines[line].start].y,
 586                                     point2D[lines[line].end].x,
 587                                     point2D[lines[line].end].y);
 588                 }
 589             }
 590         }
 591         break;
 592
 593       case WIREFRAME:
 594
 595         for (i = 0; i < 12; i++)
 596             MYLCD(drawline)(point2D[lines[i].start].x,
 597                             point2D[lines[i].start].y,
 598                             point2D[lines[i].end].x,
 599                             point2D[lines[i].end].y);
 600         break;
 601     }
 602 }
 603
 604 void cleanup(void *parameter)
 605 {
 606     (void)parameter;
 607
 608 #ifdef USEGSLIB
 609     grey_release();
 610 #elif defined HAVE_LCD_CHARCELLS
 611     pgfx_release();
 612 #endif
 613 }
 614
 615 enum plugin_status plugin_start(const void* parameter)
 616 {
 617     char buffer[30];
 618     int t_disp = 0;
 619 #ifdef USEGSLIB
 620     unsigned char *gbuf;
 621     size_t gbuf_size = 0;
 622     bool mode_switch = true;
 623 #endif
 624
 625     int button;
 626     int lastbutton = BUTTON_NONE;
 627     int curr = 0;
 628     bool highspeed = false;
 629     bool paused = false;
 630     bool redraw = true;
 631     bool exit = false;
 632
 633     (void)(parameter);
 634
 635 #ifdef HAVE_LCD_BITMAP
 636 #if defined(USEGSLIB)
 637     gbuf = (unsigned char *)rb->plugin_get_buffer(&gbuf_size);
 638     if (!grey_init(gbuf, gbuf_size, GREY_BUFFERED,
 639                    LCD_WIDTH, LCD_HEIGHT, NULL))
 640     {
 641         rb->splash(HZ, "Couldn't init greyscale display");
 642         return PLUGIN_ERROR;
 643     }
 644     /* init lcd_ function pointers */
 645     lcdfuncs.update =        rb->lcd_update;
 646     lcdfuncs.clear_display = rb->lcd_clear_display;
 647     lcdfuncs.drawline =      rb->lcd_drawline;
 648     lcdfuncs.putsxy =        rb->lcd_putsxy;
 649
 650 #ifdef MROBE_100
 651     grey_set_background(GREY_BLACK);
 652 #endif
 653
 654     grey_setfont(FONT_SYSFIXED);
 655 #endif
 656     rb->lcd_setfont(FONT_SYSFIXED);
 657 #else /* LCD_CHARCELLS */
 658     if (!pgfx_init(4, 2))
 659     {
 660         rb->splash(HZ*2, "Old LCD :(");
 661         return PLUGIN_OK;
 662     }
 663     pgfx_display(0, 0);
 664 #endif
 665
 666     while(!exit)
 667     {
 668         if (redraw)
 669         {
 670             MYLCD(clear_display)();
 671             cube_rotate(axes[0].angle, axes[1].angle, axes[2].angle);
 672             cube_viewport();
 673             cube_draw();
 674             redraw = false;
 675         }
 676
 677 #ifdef HAVE_LCD_BITMAP
 678         if (t_disp > 0)
 679         {
 680             t_disp--;
 681             rb->snprintf(buffer, sizeof(buffer), "%s: %d %s",
 682                          axes[curr].label,
 683                          paused ? axes[curr].angle : axes[curr].speed,
 684                          highspeed ? "(hs)" : "");
 685             MYLCD(putsxy)(0, LCD_HEIGHT-8, buffer);
 686             if (t_disp == 0)
 687                 redraw = true;
 688         }
 689 #else
 690         if (t_disp > 0)
 691         {
 692             if (t_disp == DISP_TIME)
 693             {
 694                 rb->lcd_puts(5, 0, axes[curr].label);
 695                 rb->snprintf(buffer, sizeof(buffer), "%d %c",
 696                              paused ? axes[curr].angle : axes[curr].speed,
 697                              highspeed ? 'H' : ' ');
 698                 rb->lcd_puts(5, 1, buffer);
 699             }
 700             t_disp--;
 701             if (t_disp == 0)
 702             {
 703                 rb->lcd_clear_display();
 704                 pgfx_display(0, 0);
 705             }
 706         }
 707 #endif
 708 #ifdef USEGSLIB
 709         if (mode_switch)
 710         {
 711             grey_show(mode == SOLID);
 712             mode_switch = false;
 713         }
 714 #endif
 715         MYLCD(update)();
 716
 717         if (!paused)
 718         {
 719             int i;
 720
 721             for (i = 0; i < 3; i++)
 722             {
 723                 axes[i].angle += axes[i].speed;
 724                 if (axes[i].angle > 359)
 725                     axes[i].angle -= 360;
 726                 else if (axes[i].angle < 0)
 727                     axes[i].angle += 360;
 728             }
 729             redraw = true;
 730
 731             if (highspeed)
 732                 rb->yield();
 733             else
 734                 rb->sleep(HZ/25);
 735             button = rb->button_get(false);
 736         }
 737         else
 738         {
 739             button = rb->button_get_w_tmo(HZ/25);
 740         }
 741
 742         switch (button)
 743         {
 744             case CUBE_INC:
 745             case CUBE_INC|BUTTON_REPEAT:
 746                 if (!paused)
 747                 {
 748                     if (axes[curr].speed < 10)
 749                         axes[curr].speed++;
 750                 }
 751                 else
 752                 {
 753                     if (++axes[curr].angle > 359)
 754                         axes[curr].angle -= 360;
 755                 }
 756                 t_disp = DISP_TIME;
 757                 redraw = true;
 758                 break;
 759
 760             case CUBE_DEC:
 761             case CUBE_DEC|BUTTON_REPEAT:
 762                 if (!paused)
 763                 {
 764                     if (axes[curr].speed > -10)
 765                         axes[curr].speed--;
 766                 }
 767                 else
 768                 {
 769                     if (--axes[curr].angle < 0)
 770                         axes[curr].angle += 360;
 771                 }
 772                 t_disp = DISP_TIME;
 773                 redraw = true;
 774                 break;
 775
 776             case CUBE_NEXT:
 777                 if (++curr > 2)
 778                     curr = 0;
 779                 t_disp = DISP_TIME;
 780                 break;
 781
 782             case CUBE_PREV:
 783                 if (--curr < 0)
 784                     curr = 2;
 785                 t_disp = DISP_TIME;
 786                 break;
 787
 788             case CUBE_MODE:
 789 #ifdef CUBE_MODE_PRE
 790                 if (lastbutton != CUBE_MODE_PRE)
 791                     break;
 792 #endif
 793                 if (++mode >= NUM_MODES)
 794                     mode = 0;
 795 #ifdef USEGSLIB
 796                 mylcd = (mode == SOLID) ? &greyfuncs : &lcdfuncs;
 797                 mode_switch = true;
 798 #endif
 799                 redraw = true;
 800                 break;
 801
 802             case CUBE_PAUSE:
 803 #ifdef CUBE_PAUSE_PRE
 804                 if (lastbutton != CUBE_PAUSE_PRE)
 805                     break;
 806 #endif
 807                 paused = !paused;
 808                 break;
 809
 810             case CUBE_HIGHSPEED:
 811 #ifdef CUBE_HIGHSPEED_PRE
 812                 if (lastbutton != CUBE_HIGHSPEED_PRE)
 813                     break;
 814 #endif
 815                 highspeed = !highspeed;
 816                 t_disp = DISP_TIME;
 817                 break;
 818
 819 #ifdef CUBE_RC_QUIT
 820             case CUBE_RC_QUIT:
 821 #endif
 822             case CUBE_QUIT:
 823                 exit = true;
 824                 break;
 825
 826             default:
 827                 if (rb->default_event_handler_ex(button, cleanup, NULL)
 828                     == SYS_USB_CONNECTED)
 829                     return PLUGIN_USB_CONNECTED;
 830                 break;
 831         }
 832         if (button != BUTTON_NONE)
 833             lastbutton = button;
 834     }
 835
 836 #ifdef USEGSLIB
 837     grey_release();
 838 #elif defined(HAVE_LCD_CHARCELLS)
 839     pgfx_release();
 840 #endif
 841     return PLUGIN_OK;
 842 }
 843
 844