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/playergfx.h"
  25 #include "lib/pluginlib_exit.h"
  26 #if LCD_DEPTH > 1
  27 #include "lib/mylcd.h" /* MYLCD_CFG_RB_XLCD or MYLCD_CFG_PGFX */
  28 #include "lib/grey.h"
  29 #else
  30 #include "lib/grey.h"
  31 #include "lib/mylcd.h" /* MYLCD_CFG_GREYLIB or MYLCD_CFG_PGFX */
  32 #endif
  33 #include "lib/xlcd.h"
  34 #include "lib/fixedpoint.h"
  35
  36 /* Loops that the values are displayed */
  37 #define DISP_TIME 30
  38
  39 /* variable button definitions */
  40 #if CONFIG_KEYPAD == RECORDER_PAD
  41 #define CUBE_QUIT          BUTTON_OFF
  42 #define CUBE_NEXT          BUTTON_RIGHT
  43 #define CUBE_PREV          BUTTON_LEFT
  44 #define CUBE_INC           BUTTON_UP
  45 #define CUBE_DEC           BUTTON_DOWN
  46 #define CUBE_MODE          BUTTON_F1
  47 #define CUBE_PAUSE         BUTTON_PLAY
  48 #define CUBE_HIGHSPEED     BUTTON_ON
  49
  50 #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
  51 #define CUBE_QUIT          BUTTON_OFF
  52 #define CUBE_NEXT          BUTTON_RIGHT
  53 #define CUBE_PREV          BUTTON_LEFT
  54 #define CUBE_INC           BUTTON_UP
  55 #define CUBE_DEC           BUTTON_DOWN
  56 #define CUBE_MODE          BUTTON_F1
  57 #define CUBE_PAUSE         BUTTON_SELECT
  58 #define CUBE_HIGHSPEED     BUTTON_ON
  59
  60 #elif CONFIG_KEYPAD == PLAYER_PAD
  61 #define CUBE_QUIT          BUTTON_STOP
  62 #define CUBE_INC           BUTTON_RIGHT
  63 #define CUBE_DEC           BUTTON_LEFT
  64 #define CUBE_NEXT          (BUTTON_ON | BUTTON_RIGHT)
  65 #define CUBE_PREV          (BUTTON_ON | BUTTON_LEFT)
  66 #define CUBE_MODE          BUTTON_MENU
  67 #define CUBE_PAUSE         BUTTON_PLAY
  68 #define CUBE_HIGHSPEED_PRE BUTTON_ON
  69 #define CUBE_HIGHSPEED     (BUTTON_ON | BUTTON_REL)
  70
  71 #elif CONFIG_KEYPAD == ONDIO_PAD
  72 #define CUBE_QUIT          BUTTON_OFF
  73 #define CUBE_NEXT          BUTTON_RIGHT
  74 #define CUBE_PREV          BUTTON_LEFT
  75 #define CUBE_INC           BUTTON_UP
  76 #define CUBE_DEC           BUTTON_DOWN
  77 #define CUBE_MODE_PRE      BUTTON_MENU
  78 #define CUBE_MODE          (BUTTON_MENU | BUTTON_REL)
  79 #define CUBE_PAUSE         (BUTTON_MENU | BUTTON_LEFT)
  80 #define CUBE_HIGHSPEED     (BUTTON_MENU | BUTTON_RIGHT)
  81
  82 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
  83       (CONFIG_KEYPAD == IRIVER_H300_PAD)
  84 #define CUBE_QUIT          BUTTON_OFF
  85 #define CUBE_NEXT          BUTTON_RIGHT
  86 #define CUBE_PREV          BUTTON_LEFT
  87 #define CUBE_INC           BUTTON_UP
  88 #define CUBE_DEC           BUTTON_DOWN
  89 #define CUBE_MODE          BUTTON_MODE
  90 #define CUBE_PAUSE         BUTTON_ON
  91 #define CUBE_HIGHSPEED     BUTTON_SELECT
  92
  93 #define CUBE_RC_QUIT       BUTTON_RC_STOP
  94
  95 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  96       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  97       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  98 #define CUBE_QUIT          (BUTTON_SELECT | BUTTON_MENU)
  99 #define CUBE_NEXT          BUTTON_RIGHT
 100 #define CUBE_PREV          BUTTON_LEFT
 101 #define CUBE_INC           BUTTON_SCROLL_FWD
 102 #define CUBE_DEC           BUTTON_SCROLL_BACK
 103 #define CUBE_MODE          BUTTON_MENU
 104 #define CUBE_PAUSE         BUTTON_PLAY
 105 #define CUBE_HIGHSPEED_PRE BUTTON_SELECT
 106 #define CUBE_HIGHSPEED     (BUTTON_SELECT | BUTTON_REL)
 107
 108 #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
 109 #define CUBE_QUIT          BUTTON_PLAY
 110 #define CUBE_NEXT          BUTTON_RIGHT
 111 #define CUBE_PREV          BUTTON_LEFT
 112 #define CUBE_INC           BUTTON_UP
 113 #define CUBE_DEC           BUTTON_DOWN
 114 #define CUBE_MODE          BUTTON_MODE
 115 #define CUBE_PAUSE         BUTTON_SELECT
 116 #define CUBE_HIGHSPEED     BUTTON_EQ
 117
 118 #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
 119 #define CUBE_QUIT          BUTTON_POWER
 120 #define CUBE_NEXT          BUTTON_RIGHT
 121 #define CUBE_PREV          BUTTON_LEFT
 122 #define CUBE_INC           BUTTON_UP
 123 #define CUBE_DEC           BUTTON_DOWN
 124 #define CUBE_MODE          BUTTON_REC
 125 #define CUBE_PAUSE         BUTTON_PLAY
 126 #define CUBE_HIGHSPEED     BUTTON_SELECT
 127
 128 #elif (CONFIG_KEYPAD == GIGABEAT_PAD)
 129 #define CUBE_QUIT          BUTTON_POWER
 130 #define CUBE_NEXT          BUTTON_RIGHT
 131 #define CUBE_PREV          BUTTON_LEFT
 132 #define CUBE_INC           BUTTON_UP
 133 #define CUBE_DEC           BUTTON_DOWN
 134 #define CUBE_MODE          BUTTON_MENU
 135 #define CUBE_PAUSE         BUTTON_SELECT
 136 #define CUBE_HIGHSPEED     BUTTON_A
 137
 138 #elif (CONFIG_KEYPAD == SANSA_E200_PAD)
 139 #define CUBE_QUIT          BUTTON_POWER
 140 #define CUBE_NEXT          BUTTON_RIGHT
 141 #define CUBE_PREV          BUTTON_LEFT
 142 #define CUBE_INC           BUTTON_SCROLL_FWD
 143 #define CUBE_DEC           BUTTON_SCROLL_BACK
 144 #define CUBE_MODE          BUTTON_DOWN
 145 #define CUBE_PAUSE         BUTTON_UP
 146 #define CUBE_HIGHSPEED     BUTTON_SELECT
 147
 148 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
 149 #define CUBE_QUIT          (BUTTON_HOME|BUTTON_REPEAT)
 150 #define CUBE_NEXT          BUTTON_RIGHT
 151 #define CUBE_PREV          BUTTON_LEFT
 152 #define CUBE_INC           BUTTON_SCROLL_FWD
 153 #define CUBE_DEC           BUTTON_SCROLL_BACK
 154 #define CUBE_MODE          BUTTON_DOWN
 155 #define CUBE_PAUSE         BUTTON_UP
 156 #define CUBE_HIGHSPEED     BUTTON_SELECT
 157
 158 #elif (CONFIG_KEYPAD == SANSA_C200_PAD) || \
 159 (CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
 160 (CONFIG_KEYPAD == SANSA_M200_PAD)
 161 #define CUBE_QUIT          BUTTON_POWER
 162 #define CUBE_NEXT          BUTTON_RIGHT
 163 #define CUBE_PREV          BUTTON_LEFT
 164 #define CUBE_INC           BUTTON_VOL_UP
 165 #define CUBE_DEC           BUTTON_VOL_DOWN
 166 #define CUBE_MODE          BUTTON_DOWN
 167 #define CUBE_PAUSE         BUTTON_UP
 168 #define CUBE_HIGHSPEED     BUTTON_SELECT
 169
 170
 171 #elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
 172 #define CUBE_QUIT          BUTTON_POWER
 173 #define CUBE_NEXT          BUTTON_RIGHT
 174 #define CUBE_PREV          BUTTON_LEFT
 175 #define CUBE_INC           BUTTON_SCROLL_UP
 176 #define CUBE_DEC           BUTTON_SCROLL_DOWN
 177 #define CUBE_MODE          BUTTON_REW
 178 #define CUBE_PAUSE         BUTTON_PLAY
 179 #define CUBE_HIGHSPEED     BUTTON_FF
 180
 181 #elif CONFIG_KEYPAD == MROBE500_PAD
 182 #define CUBE_QUIT          BUTTON_POWER
 183
 184 #elif CONFIG_KEYPAD == GIGABEAT_S_PAD
 185 #define CUBE_QUIT          BUTTON_BACK
 186 #define CUBE_NEXT          BUTTON_RIGHT
 187 #define CUBE_PREV          BUTTON_LEFT
 188 #define CUBE_INC           BUTTON_UP
 189 #define CUBE_DEC           BUTTON_DOWN
 190 #define CUBE_MODE          BUTTON_MENU
 191 #define CUBE_PAUSE         BUTTON_PLAY
 192 #define CUBE_HIGHSPEED     BUTTON_SELECT
 193
 194 #elif (CONFIG_KEYPAD == MROBE100_PAD)
 195 #define CUBE_QUIT          BUTTON_POWER
 196 #define CUBE_NEXT          BUTTON_RIGHT
 197 #define CUBE_PREV          BUTTON_LEFT
 198 #define CUBE_INC           BUTTON_UP
 199 #define CUBE_DEC           BUTTON_DOWN
 200 #define CUBE_MODE          BUTTON_MENU
 201 #define CUBE_PAUSE         BUTTON_PLAY
 202 #define CUBE_HIGHSPEED     BUTTON_SELECT
 203
 204 #elif (CONFIG_KEYPAD == IAUDIO_M3_PAD)
 205 #define CUBE_QUIT          BUTTON_RC_REC
 206 #define CUBE_NEXT          BUTTON_RC_FF
 207 #define CUBE_PREV          BUTTON_RC_REW
 208 #define CUBE_INC           BUTTON_RC_VOL_UP
 209 #define CUBE_DEC           BUTTON_RC_VOL_DOWN
 210 #define CUBE_MODE          BUTTON_RC_MODE
 211 #define CUBE_PAUSE         BUTTON_RC_PLAY
 212 #define CUBE_HIGHSPEED     BUTTON_RC_MENU
 213
 214 #elif CONFIG_KEYPAD == COWON_D2_PAD
 215 #define CUBE_QUIT          BUTTON_POWER
 216
 217 #elif (CONFIG_KEYPAD == IAUDIO67_PAD)
 218 #define CUBE_QUIT          BUTTON_POWER
 219 #define CUBE_NEXT          BUTTON_RIGHT
 220 #define CUBE_PREV          BUTTON_LEFT
 221 #define CUBE_INC           BUTTON_VOLUP
 222 #define CUBE_DEC           BUTTON_VOLDOWN
 223 #define CUBE_MODE          BUTTON_MENU
 224 #define CUBE_PAUSE         BUTTON_PLAY
 225 #define CUBE_HIGHSPEED     BUTTON_STOP
 226
 227 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 228 #define CUBE_QUIT          BUTTON_BACK
 229 #define CUBE_NEXT          BUTTON_RIGHT
 230 #define CUBE_PREV          BUTTON_LEFT
 231 #define CUBE_INC           BUTTON_UP
 232 #define CUBE_DEC           BUTTON_DOWN
 233 #define CUBE_MODE          BUTTON_MENU
 234 #define CUBE_PAUSE         BUTTON_PLAY
 235 #define CUBE_HIGHSPEED     BUTTON_SELECT
 236
 237 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
 238 #define CUBE_QUIT          BUTTON_POWER
 239 #define CUBE_NEXT          BUTTON_RIGHT
 240 #define CUBE_PREV          BUTTON_LEFT
 241 #define CUBE_INC           BUTTON_UP
 242 #define CUBE_DEC           BUTTON_DOWN
 243 #define CUBE_MODE          BUTTON_MENU
 244 #define CUBE_PAUSE         BUTTON_SELECT
 245 #define CUBE_HIGHSPEED     BUTTON_VIEW
 246
 247 #elif CONFIG_KEYPAD == PHILIPS_HDD6330_PAD
 248 #define CUBE_QUIT          BUTTON_POWER
 249 #define CUBE_NEXT          BUTTON_NEXT
 250 #define CUBE_PREV          BUTTON_PREV
 251 #define CUBE_INC           BUTTON_UP
 252 #define CUBE_DEC           BUTTON_DOWN
 253 #define CUBE_MODE          BUTTON_MENU
 254 #define CUBE_PAUSE         BUTTON_PLAY
 255 #define CUBE_HIGHSPEED     BUTTON_RIGHT
 256
 257 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 258 #define CUBE_QUIT          BUTTON_POWER
 259 #define CUBE_NEXT          BUTTON_NEXT
 260 #define CUBE_PREV          BUTTON_PREV
 261 #define CUBE_INC           BUTTON_UP
 262 #define CUBE_DEC           BUTTON_DOWN
 263 #define CUBE_MODE          BUTTON_MENU
 264 #define CUBE_PAUSE         BUTTON_PLAY
 265 #define CUBE_HIGHSPEED     BUTTON_RIGHT
 266
 267 #elif CONFIG_KEYPAD == ONDAVX747_PAD
 268 #define CUBE_QUIT          BUTTON_POWER
 269 #elif CONFIG_KEYPAD == ONDAVX777_PAD
 270 #define CUBE_QUIT          BUTTON_POWER
 271
 272 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
 273 #define CUBE_QUIT          BUTTON_REC
 274 #define CUBE_NEXT          BUTTON_RIGHT
 275 #define CUBE_PREV          BUTTON_LEFT
 276 #define CUBE_INC           BUTTON_UP
 277 #define CUBE_DEC           BUTTON_DOWN
 278 #define CUBE_MODE          BUTTON_REW
 279 #define CUBE_PAUSE         BUTTON_PLAY
 280 #define CUBE_HIGHSPEED     BUTTON_FFWD
 281
 282 #elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
 283 #define CUBE_QUIT          BUTTON_REC
 284 #define CUBE_NEXT          BUTTON_NEXT
 285 #define CUBE_PREV          BUTTON_PREV
 286 #define CUBE_INC           BUTTON_UP
 287 #define CUBE_DEC           BUTTON_DOWN
 288 #define CUBE_MODE          BUTTON_MENU
 289 #define CUBE_PAUSE         BUTTON_PLAY
 290 #define CUBE_HIGHSPEED     BUTTON_OK
 291
 292 #elif CONFIG_KEYPAD == MPIO_HD200_PAD
 293 #define CUBE_QUIT          (BUTTON_REC | BUTTON_PLAY)
 294 #define CUBE_NEXT          BUTTON_FF
 295 #define CUBE_PREV          BUTTON_REW
 296 #define CUBE_INC           BUTTON_VOL_UP
 297 #define CUBE_DEC           BUTTON_VOL_DOWN
 298 #define CUBE_MODE          BUTTON_REC
 299 #define CUBE_PAUSE         BUTTON_PLAY
 300 #define CUBE_HIGHSPEED     BUTTON_FUNC
 301
 302 #elif CONFIG_KEYPAD == MPIO_HD300_PAD
 303 #define CUBE_QUIT          BUTTON_REC
 304 #define CUBE_NEXT          BUTTON_FF
 305 #define CUBE_PREV          BUTTON_REW
 306 #define CUBE_INC           BUTTON_UP
 307 #define CUBE_DEC           BUTTON_DOWN
 308 #define CUBE_MODE          BUTTON_MENU
 309 #define CUBE_PAUSE         BUTTON_PLAY
 310 #define CUBE_HIGHSPEED     BUTTON_ENTER
 311
 312 #elif CONFIG_KEYPAD == SANSA_FUZEPLUS_PAD
 313 #define CUBE_QUIT          BUTTON_POWER
 314 #define CUBE_NEXT          BUTTON_RIGHT
 315 #define CUBE_PREV          BUTTON_LEFT
 316 #define CUBE_INC           BUTTON_UP
 317 #define CUBE_DEC           BUTTON_DOWN
 318 #define CUBE_MODE          BUTTON_SELECT
 319 #define CUBE_PAUSE         BUTTON_PLAYPAUSE
 320 #define CUBE_HIGHSPEED     BUTTON_BACK
 321
 322 #elif CONFIG_KEYPAD == SANSA_CONNECT_PAD
 323 #define CUBE_QUIT          BUTTON_POWER
 324 #define CUBE_NEXT          BUTTON_NEXT
 325 #define CUBE_PREV          BUTTON_PREV
 326 #define CUBE_INC           BUTTON_VOL_UP
 327 #define CUBE_DEC           BUTTON_VOL_DOWN
 328 #define CUBE_MODE          BUTTON_SELECT
 329 #define CUBE_PAUSE         BUTTON_DOWN
 330 #define CUBE_HIGHSPEED     BUTTON_LEFT
 331
 332 #elif (CONFIG_KEYPAD == SAMSUNG_YPR0_PAD)
 333 #define CUBE_QUIT          BUTTON_BACK
 334 #define CUBE_NEXT          BUTTON_RIGHT
 335 #define CUBE_PREV          BUTTON_LEFT
 336 #define CUBE_INC           BUTTON_UP
 337 #define CUBE_DEC           BUTTON_DOWN
 338 #define CUBE_MODE          BUTTON_MENU
 339 #define CUBE_PAUSE         BUTTON_USER
 340 #define CUBE_HIGHSPEED     BUTTON_SELECT
 341
 342 #else
 343 #error No keymap defined!
 344 #endif
 345
 346 #ifdef HAVE_TOUCHSCREEN
 347 #ifndef CUBE_QUIT
 348 #define CUBE_QUIT          BUTTON_TOPLEFT
 349 #endif
 350 #ifndef CUBE_NEXT
 351 #define CUBE_NEXT          BUTTON_MIDRIGHT
 352 #endif
 353 #ifndef CUBE_PREV
 354 #define CUBE_PREV          BUTTON_MIDLEFT
 355 #endif
 356 #ifndef CUBE_INC
 357 #define CUBE_INC           BUTTON_TOPMIDDLE
 358 #endif
 359 #ifndef CUBE_DEC
 360 #define CUBE_DEC           BUTTON_BOTTOMMIDDLE
 361 #endif
 362 #ifndef CUBE_MODE
 363 #define CUBE_MODE          BUTTON_TOPRIGHT
 364 #endif
 365 #ifndef CUBE_PAUSE
 366 #define CUBE_PAUSE         BUTTON_CENTER
 367 #endif
 368 #ifndef CUBE_HIGHSPEED
 369 #define CUBE_HIGHSPEED     BUTTON_BOTTOMRIGHT
 370 #endif
 371 #endif
 372
 373
 374 #ifdef HAVE_LCD_BITMAP
 375
 376 #define DIST (10 * MIN(LCD_HEIGHT, LCD_WIDTH) / 16)
 377 static int x_off = LCD_WIDTH/2;
 378 static int y_off = LCD_HEIGHT/2;
 379
 380 #if LCD_DEPTH == 1
 381 #define USEGSLIB
 382 GREY_INFO_STRUCT
 383 struct my_lcd {
 384     void (*update)(void);
 385     void (*clear_display)(void);
 386     void (*drawline)(int x1, int y1, int x2, int y2);
 387     void (*putsxy)(int x, int y, const unsigned char *string);
 388 };
 389
 390 static struct my_lcd greyfuncs = {
 391     grey_update, grey_clear_display, grey_drawline, grey_putsxy
 392 };
 393 static struct my_lcd lcdfuncs; /* initialised at runtime */
 394 static struct my_lcd *mylcd = &greyfuncs;
 395
 396 #define MYLCD(fn) mylcd->fn
 397
 398 #else
 399 #define MYLCD(fn) rb->lcd_ ## fn
 400 #endif
 401
 402 #if CONFIG_LCD == LCD_SSD1815
 403 #define ASPECT 320 /* = 1.25 (fixed point 24.8) */
 404 #else
 405 #define ASPECT 256 /* = 1.00 */
 406 #endif
 407
 408 #else /* !LCD_BITMAP */
 409
 410 #define MYLCD(fn) pgfx_ ## fn
 411 #define DIST 9
 412 static int x_off = 10;
 413 static int y_off = 7;
 414 #define ASPECT 300 /* = 1.175 */
 415
 416 #endif /* !LCD_BITMAP */
 417
 418 struct point_3D {
 419     long x, y, z;
 420 };
 421
 422 struct point_2D {
 423     long x, y;
 424 };
 425
 426 struct line {
 427     int start, end;
 428 };
 429
 430 struct face {
 431     int corner[4];
 432     int line[4];
 433 };
 434
 435 /* initial, unrotated cube corners */
 436 static const struct point_3D sommet[8] =
 437 {
 438     {-DIST, -DIST, -DIST},
 439     { DIST, -DIST, -DIST},
 440     { DIST,  DIST, -DIST},
 441     {-DIST,  DIST, -DIST},
 442     {-DIST, -DIST,  DIST},
 443     { DIST, -DIST,  DIST},
 444     { DIST,  DIST,  DIST},
 445     {-DIST,  DIST,  DIST}
 446 };
 447
 448 /* The 12 lines forming the edges */
 449 static const struct line lines[12] =
 450 {
 451     {0, 1}, {1, 2}, {2, 3}, {3, 0},
 452     {4, 7}, {7, 6}, {6, 5}, {5, 4},
 453     {0, 4}, {1, 5}, {2, 6}, {3, 7}
 454 };
 455
 456 static bool lines_drawn[12];
 457
 458 /* The 6 faces of the cube; points are in clockwise order when viewed
 459    from the outside */
 460 static const struct face faces[6] =
 461 {
 462     {{0, 1, 2, 3}, {0, 1, 2, 3}},
 463     {{4, 7, 6, 5}, {4, 5, 6, 7}},
 464     {{0, 4, 5, 1}, {8, 7, 9, 0}},
 465     {{2, 6, 7, 3}, {10, 5, 11, 2}},
 466     {{0, 3, 7, 4}, {3, 11, 4, 8}},
 467     {{1, 5, 6, 2}, {9, 6, 10, 1}}
 468 };
 469
 470 #if LCD_DEPTH > 1 || defined(USEGSLIB)
 471 static const unsigned face_colors[6] =
 472 {
 473 #ifdef HAVE_LCD_COLOR
 474     LCD_RGBPACK(255, 0, 0), LCD_RGBPACK(255, 0, 0), LCD_RGBPACK(0, 255, 0),
 475     LCD_RGBPACK(0, 255, 0), LCD_RGBPACK(0, 0, 255), LCD_RGBPACK(0, 0, 255)
 476 #elif defined(USEGSLIB)
 477 #ifdef MROBE_100
 478     GREY_LIGHTGRAY, GREY_LIGHTGRAY, GREY_DARKGRAY,
 479     GREY_DARKGRAY,  GREY_WHITE,     GREY_WHITE
 480 #else
 481     GREY_LIGHTGRAY, GREY_LIGHTGRAY, GREY_DARKGRAY,
 482     GREY_DARKGRAY,  GREY_BLACK,     GREY_BLACK
 483 #endif
 484 #else
 485     LCD_LIGHTGRAY, LCD_LIGHTGRAY, LCD_DARKGRAY,
 486     LCD_DARKGRAY,  LCD_BLACK,     LCD_BLACK
 487 #endif
 488 };
 489 #endif
 490
 491 enum {
 492 #if LCD_DEPTH > 1 || defined(USEGSLIB)
 493     SOLID,
 494 #endif
 495     HIDDEN_LINES,
 496     WIREFRAME,
 497     NUM_MODES
 498 };
 499
 500 static int mode = 0;
 501
 502 struct counter {
 503     const char *label;
 504     short speed;
 505     short angle;
 506 };
 507
 508 static struct counter axes[] = {
 509     {"x-axis", 1, 0},
 510     {"y-axis", 3, 0},
 511     {"z-axis", 2, 0}
 512 };
 513
 514 static struct point_3D point3D[8];
 515 static struct point_2D point2D[8];
 516 static long matrice[3][3];
 517
 518 static const int nb_points = 8;
 519 static long z_off = 600;
 520
 521 static void cube_rotate(int xa, int ya, int za)
 522 {
 523     int i;
 524     /* Just to prevent unnecessary lookups */
 525     long sxa, cxa, sya, cya, sza, cza;
 526
 527     sxa = fp14_sin(xa);
 528     cxa = fp14_cos(xa);
 529     sya = fp14_sin(ya);
 530     cya = fp14_cos(ya);
 531     sza = fp14_sin(za);
 532     cza = fp14_cos(za);
 533
 534     /* calculate overall translation matrix */
 535     matrice[0][0] = (cza * cya) >> 14;
 536     matrice[1][0] = (sza * cya) >> 14;
 537     matrice[2][0] = -sya;
 538
 539     matrice[0][1] = (((cza * sya) >> 14) * sxa - sza * cxa) >> 14;
 540     matrice[1][1] = (((sza * sya) >> 14) * sxa + cxa * cza) >> 14;
 541     matrice[2][1] = (sxa * cya) >> 14;
 542
 543     matrice[0][2] = (((cza * sya) >> 14) * cxa + sza * sxa) >> 14;
 544     matrice[1][2] = (((sza * sya) >> 14) * cxa - cza * sxa) >> 14;
 545     matrice[2][2] = (cxa * cya) >> 14;
 546
 547     /* apply translation matrix to all points */
 548     for (i = 0; i < nb_points; i++)
 549     {
 550         point3D[i].x = matrice[0][0] * sommet[i].x + matrice[1][0] * sommet[i].y
 551                      + matrice[2][0] * sommet[i].z;
 552
 553         point3D[i].y = matrice[0][1] * sommet[i].x + matrice[1][1] * sommet[i].y
 554                      + matrice[2][1] * sommet[i].z;
 555
 556         point3D[i].z = matrice[0][2] * sommet[i].x + matrice[1][2] * sommet[i].y
 557                      + matrice[2][2] * sommet[i].z;
 558     }
 559 }
 560
 561 static void cube_viewport(void)
 562 {
 563     int i;
 564
 565     /* Do viewport transformation for all points */
 566     for (i = 0; i < nb_points; i++)
 567     {
 568 #if ASPECT != 256
 569         point2D[i].x = (point3D[i].x * ASPECT) / (point3D[i].z + (z_off << 14))
 570                      + x_off;
 571 #else
 572         point2D[i].x = (point3D[i].x << 8) / (point3D[i].z + (z_off << 14))
 573                      + x_off;
 574 #endif
 575         point2D[i].y = (point3D[i].y << 8) / (point3D[i].z + (z_off << 14))
 576                      + y_off;
 577     }
 578 }
 579
 580 static void cube_draw(void)
 581 {
 582     int i, j, line;
 583 #if LCD_DEPTH > 1 || defined(USEGSLIB)
 584     unsigned old_foreground;
 585 #endif
 586
 587     switch (mode)
 588     {
 589 #if LCD_DEPTH > 1 || defined(USEGSLIB)
 590       case SOLID:
 591
 592         old_foreground = mylcd_get_foreground();
 593         for (i = 0; i < 6; i++)
 594         {
 595             /* backface culling; if the shape winds counter-clockwise, we are
 596              * looking at the backface, and the (simplified) cross product
 597              * is < 0. Do not draw it. */
 598             if (0 >= (point2D[faces[i].corner[1]].x - point2D[faces[i].corner[0]].x)
 599                    * (point2D[faces[i].corner[2]].y - point2D[faces[i].corner[1]].y)
 600                    - (point2D[faces[i].corner[1]].y - point2D[faces[i].corner[0]].y)
 601                    * (point2D[faces[i].corner[2]].x - point2D[faces[i].corner[1]].x))
 602                 continue;
 603
 604             mylcd_set_foreground(face_colors[i]);
 605             mylcd_filltriangle(point2D[faces[i].corner[0]].x,
 606                                point2D[faces[i].corner[0]].y,
 607                                point2D[faces[i].corner[1]].x,
 608                                point2D[faces[i].corner[1]].y,
 609                                point2D[faces[i].corner[2]].x,
 610                                point2D[faces[i].corner[2]].y);
 611             mylcd_filltriangle(point2D[faces[i].corner[0]].x,
 612                                point2D[faces[i].corner[0]].y,
 613                                point2D[faces[i].corner[2]].x,
 614                                point2D[faces[i].corner[2]].y,
 615                                point2D[faces[i].corner[3]].x,
 616                                point2D[faces[i].corner[3]].y);
 617
 618         }
 619         mylcd_set_foreground(old_foreground);
 620         break;
 621 #endif /* (LCD_DEPTH > 1) || GSLIB */
 622
 623       case HIDDEN_LINES:
 624
 625         rb->memset(lines_drawn, 0, sizeof(lines_drawn));
 626         for (i = 0; i < 6; i++)
 627         {
 628             /* backface culling; if the shape winds counter-clockwise, we are
 629              * looking at the backface, and the (simplified) cross product
 630              * is < 0. Do not draw it. */
 631             if (0 >= (point2D[faces[i].corner[1]].x - point2D[faces[i].corner[0]].x)
 632                    * (point2D[faces[i].corner[2]].y - point2D[faces[i].corner[1]].y)
 633                    - (point2D[faces[i].corner[1]].y - point2D[faces[i].corner[0]].y)
 634                    * (point2D[faces[i].corner[2]].x - point2D[faces[i].corner[1]].x))
 635                 continue;
 636
 637             for (j = 0; j < 4; j++)
 638             {
 639                 line = faces[i].line[j];
 640                 if (!lines_drawn[line])
 641                 {
 642                     lines_drawn[line] = true;
 643                     MYLCD(drawline)(point2D[lines[line].start].x,
 644                                     point2D[lines[line].start].y,
 645                                     point2D[lines[line].end].x,
 646                                     point2D[lines[line].end].y);
 647                 }
 648             }
 649         }
 650         break;
 651
 652       case WIREFRAME:
 653
 654         for (i = 0; i < 12; i++)
 655             MYLCD(drawline)(point2D[lines[i].start].x,
 656                             point2D[lines[i].start].y,
 657                             point2D[lines[i].end].x,
 658                             point2D[lines[i].end].y);
 659         break;
 660     }
 661 }
 662
 663 static void cleanup(void)
 664 {
 665 #ifdef USEGSLIB
 666     grey_release();
 667 #elif defined HAVE_LCD_CHARCELLS
 668     pgfx_release();
 669 #endif
 670 }
 671
 672 enum plugin_status plugin_start(const void* parameter)
 673 {
 674     int t_disp = 0;
 675 #ifdef USEGSLIB
 676     unsigned char *gbuf;
 677     size_t gbuf_size = 0;
 678     bool mode_switch = true;
 679 #endif
 680
 681     int button;
 682 #if defined(CUBE_MODE_PRE) || \
 683     defined(CUBE_PAUSE_PRE) || \
 684     defined(CUBE_HIGHSPEED_PRE)
 685     int lastbutton = BUTTON_NONE;
 686 #endif
 687     int curr = 0;
 688     bool highspeed = false;
 689     bool paused = false;
 690     bool redraw = true;
 691     bool quit = false;
 692
 693     (void)(parameter);
 694
 695 #ifdef HAVE_LCD_BITMAP
 696 #if defined(USEGSLIB)
 697     gbuf = (unsigned char *)rb->plugin_get_buffer(&gbuf_size);
 698     if (!grey_init(gbuf, gbuf_size, GREY_BUFFERED,
 699                    LCD_WIDTH, LCD_HEIGHT, NULL))
 700     {
 701         rb->splash(HZ, "Couldn't init greyscale display");
 702         return PLUGIN_ERROR;
 703     }
 704
 705     /* init lcd_ function pointers */
 706     lcdfuncs.update =        rb->lcd_update;
 707     lcdfuncs.clear_display = rb->lcd_clear_display;
 708     lcdfuncs.drawline =      rb->lcd_drawline;
 709     lcdfuncs.putsxy =        rb->lcd_putsxy;
 710
 711 #ifdef MROBE_100
 712     grey_set_background(GREY_BLACK);
 713 #endif
 714
 715     grey_setfont(FONT_SYSFIXED);
 716 #endif
 717     rb->lcd_setfont(FONT_SYSFIXED);
 718 #else /* LCD_CHARCELLS */
 719     if (!pgfx_init(4, 2))
 720     {
 721         rb->splash(HZ*2, "Old LCD :(");
 722         return PLUGIN_OK;
 723     }
 724     pgfx_display(0, 0);
 725 #endif
 726
 727     atexit(cleanup);
 728     while(!quit)
 729     {
 730         if (redraw)
 731         {
 732             MYLCD(clear_display)();
 733             cube_rotate(axes[0].angle, axes[1].angle, axes[2].angle);
 734             cube_viewport();
 735             cube_draw();
 736             redraw = false;
 737         }
 738
 739 #ifdef HAVE_LCD_BITMAP
 740         if (t_disp > 0)
 741         {
 742             char buffer[30];
 743             t_disp--;
 744             rb->snprintf(buffer, sizeof(buffer), "%s: %d %s",
 745                          axes[curr].label,
 746                          paused ? axes[curr].angle : axes[curr].speed,
 747                          highspeed ? "(hs)" : "");
 748             MYLCD(putsxy)(0, LCD_HEIGHT-8, buffer);
 749             if (t_disp == 0)
 750                 redraw = true;
 751         }
 752 #else
 753         if (t_disp > 0)
 754         {
 755             if (t_disp == DISP_TIME)
 756             {
 757                 rb->lcd_puts(5, 0, axes[curr].label);
 758                 rb->lcd_putsf(5, 1, "%d %c",
 759                              paused ? axes[curr].angle : axes[curr].speed,
 760                              highspeed ? 'H' : ' ');
 761             }
 762             t_disp--;
 763             if (t_disp == 0)
 764             {
 765                 rb->lcd_clear_display();
 766                 pgfx_display(0, 0);
 767             }
 768         }
 769 #endif
 770 #ifdef USEGSLIB
 771         if (mode_switch)
 772         {
 773             grey_show(mode == SOLID);
 774             mode_switch = false;
 775         }
 776 #endif
 777         MYLCD(update)();
 778
 779         if (!paused)
 780         {
 781             int i;
 782
 783             for (i = 0; i < 3; i++)
 784             {
 785                 axes[i].angle += axes[i].speed;
 786                 if (axes[i].angle > 359)
 787                     axes[i].angle -= 360;
 788                 else if (axes[i].angle < 0)
 789                     axes[i].angle += 360;
 790             }
 791             redraw = true;
 792
 793             if (highspeed)
 794                 rb->yield();
 795             else
 796                 rb->sleep(HZ/25);
 797             button = rb->button_get(false);
 798         }
 799         else
 800         {
 801             button = rb->button_get_w_tmo(HZ/25);
 802         }
 803
 804         switch (button)
 805         {
 806             case CUBE_INC:
 807             case CUBE_INC|BUTTON_REPEAT:
 808                 if (!paused)
 809                 {
 810                     if (axes[curr].speed < 10)
 811                         axes[curr].speed++;
 812                 }
 813                 else
 814                 {
 815                     if (++axes[curr].angle > 359)
 816                         axes[curr].angle -= 360;
 817                 }
 818                 t_disp = DISP_TIME;
 819                 redraw = true;
 820                 break;
 821
 822             case CUBE_DEC:
 823             case CUBE_DEC|BUTTON_REPEAT:
 824                 if (!paused)
 825                 {
 826                     if (axes[curr].speed > -10)
 827                         axes[curr].speed--;
 828                 }
 829                 else
 830                 {
 831                     if (--axes[curr].angle < 0)
 832                         axes[curr].angle += 360;
 833                 }
 834                 t_disp = DISP_TIME;
 835                 redraw = true;
 836                 break;
 837
 838             case CUBE_NEXT:
 839                 if (++curr > 2)
 840                     curr = 0;
 841                 t_disp = DISP_TIME;
 842                 break;
 843
 844             case CUBE_PREV:
 845                 if (--curr < 0)
 846                     curr = 2;
 847                 t_disp = DISP_TIME;
 848                 break;
 849
 850             case CUBE_MODE:
 851 #ifdef CUBE_MODE_PRE
 852                 if (lastbutton != CUBE_MODE_PRE)
 853                     break;
 854 #endif
 855                 if (++mode >= NUM_MODES)
 856                     mode = 0;
 857 #ifdef USEGSLIB
 858                 mylcd = (mode == SOLID) ? &greyfuncs : &lcdfuncs;
 859                 mode_switch = true;
 860 #endif
 861                 redraw = true;
 862                 break;
 863
 864             case CUBE_PAUSE:
 865 #ifdef CUBE_PAUSE_PRE
 866                 if (lastbutton != CUBE_PAUSE_PRE)
 867                     break;
 868 #endif
 869                 paused = !paused;
 870                 break;
 871
 872             case CUBE_HIGHSPEED:
 873 #ifdef CUBE_HIGHSPEED_PRE
 874                 if (lastbutton != CUBE_HIGHSPEED_PRE)
 875                     break;
 876 #endif
 877                 highspeed = !highspeed;
 878                 t_disp = DISP_TIME;
 879                 break;
 880
 881 #ifdef CUBE_RC_QUIT
 882             case CUBE_RC_QUIT:
 883 #endif
 884             case CUBE_QUIT:
 885                 exit(EXIT_SUCCESS);
 886                 break;
 887
 888             default:
 889                 exit_on_usb(button);
 890                 break;
 891         }
 892 #if defined(CUBE_MODE_PRE) || \
 893     defined(CUBE_PAUSE_PRE) || \
 894     defined(CUBE_HIGHSPEED_PRE)
 895         if (button != BUTTON_NONE)
 896             lastbutton = button;
 897 #endif
 898     }
 899
 900     return PLUGIN_OK;
 901 }
 902
 903