cinelerra-5.1/plugins/polar/polar.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "bcdisplayinfo.h"
  23 #include "clip.h"
  24 #include "bchash.h"
  25 #include "filexml.h"
  26 #include "guicast.h"
  27 #include "keyframe.h"
  28 #include "language.h"
  29 #include "loadbalance.h"
  30 #include "pluginvclient.h"
  31 #include "vframe.h"
  32
  33
  34
  35 #include <string.h>
  36 #include <stdint.h>
  37
  38
  39 #define WITHIN(a, b, c) ((((a) <= (b)) && ((b) <= (c))) ? 1 : 0)
  40
  41
  42 class PolarEffect;
  43 class PolarEngine;
  44 class PolarWindow;
  45
  46
  47 class PolarConfig
  48 {
  49 public:
  50         PolarConfig();
  51
  52         void copy_from(PolarConfig &src);
  53         int equivalent(PolarConfig &src);
  54         void interpolate(PolarConfig &prev,
  55                 PolarConfig &next,
  56                 long prev_frame,
  57                 long next_frame,
  58                 long current_frame);
  59
  60         int polar_to_rectangular;
  61         float depth;
  62         float angle;
  63         int backwards;
  64         int invert;
  65 };
  66
  67
  68
  69 class PolarDepth : public BC_FSlider
  70 {
  71 public:
  72         PolarDepth(PolarEffect *plugin, int x, int y);
  73         int handle_event();
  74         PolarEffect *plugin;
  75 };
  76
  77 class PolarAngle : public BC_FSlider
  78 {
  79 public:
  80         PolarAngle(PolarEffect *plugin, int x, int y);
  81         int handle_event();
  82         PolarEffect *plugin;
  83 };
  84
  85 class PolarWindow : public PluginClientWindow
  86 {
  87 public:
  88         PolarWindow(PolarEffect *plugin);
  89         void create_objects();
  90         PolarEffect *plugin;
  91         PolarDepth *depth;
  92         PolarAngle *angle;
  93 };
  94
  95
  96
  97
  98
  99 class PolarPackage : public LoadPackage
 100 {
 101 public:
 102         PolarPackage();
 103         int row1, row2;
 104 };
 105
 106 class PolarUnit : public LoadClient
 107 {
 108 public:
 109         PolarUnit(PolarEffect *plugin, PolarEngine *server);
 110         void process_package(LoadPackage *package);
 111         PolarEffect *plugin;
 112 };
 113
 114 class PolarEngine : public LoadServer
 115 {
 116 public:
 117         PolarEngine(PolarEffect *plugin, int cpus);
 118         void init_packages();
 119         LoadClient* new_client();
 120         LoadPackage* new_package();
 121         PolarEffect *plugin;
 122 };
 123
 124 class PolarEffect : public PluginVClient
 125 {
 126 public:
 127         PolarEffect(PluginServer *server);
 128         ~PolarEffect();
 129
 130         PLUGIN_CLASS_MEMBERS(PolarConfig)
 131         int process_realtime(VFrame *input, VFrame *output);
 132         int is_realtime();
 133         void save_data(KeyFrame *keyframe);
 134         void read_data(KeyFrame *keyframe);
 135         void update_gui();
 136
 137         PolarEngine *engine;
 138         VFrame *temp_frame;
 139         VFrame *input, *output;
 140         int need_reconfigure;
 141 };
 142
 143
 144
 145 REGISTER_PLUGIN(PolarEffect)
 146
 147
 148
 149 PolarConfig::PolarConfig()
 150 {
 151         angle = 0.0;
 152         depth = 0.0;
 153         backwards = 0;
 154         invert = 0;
 155         polar_to_rectangular = 1;
 156 }
 157
 158
 159 void PolarConfig::copy_from(PolarConfig &src)
 160 {
 161         this->angle = src.angle;
 162         this->depth = src.depth;
 163         this->backwards = src.backwards;
 164         this->invert = src.invert;
 165         this->polar_to_rectangular = src.polar_to_rectangular;
 166 }
 167
 168 int PolarConfig::equivalent(PolarConfig &src)
 169 {
 170         return EQUIV(this->angle, src.angle) && EQUIV(this->depth, src.depth);
 171 }
 172
 173 void PolarConfig::interpolate(PolarConfig &prev,
 174                 PolarConfig &next,
 175                 long prev_frame,
 176                 long next_frame,
 177                 long current_frame)
 178 {
 179         double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
 180         double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
 181
 182         this->depth = prev.depth * prev_scale + next.depth * next_scale;
 183         this->angle = prev.angle * prev_scale + next.angle * next_scale;
 184 }
 185
 186
 187
 188
 189
 190
 191 PolarWindow::PolarWindow(PolarEffect *plugin)
 192  : PluginClientWindow(plugin,
 193         270,
 194         100,
 195         270,
 196         100,
 197         0)
 198 {
 199         this->plugin = plugin;
 200 }
 201
 202 void PolarWindow::create_objects()
 203 {
 204         int x = 10, y = 10;
 205         add_subwindow(new BC_Title(x, y, _("Depth:")));
 206         add_subwindow(depth = new PolarDepth(plugin, x + 50, y));
 207         y += 40;
 208         add_subwindow(new BC_Title(x, y, _("Angle:")));
 209         add_subwindow(angle = new PolarAngle(plugin, x + 50, y));
 210
 211         show_window();
 212         flush();
 213 }
 214
 215
 216
 217
 218
 219
 220
 221 PolarDepth::PolarDepth(PolarEffect *plugin, int x, int y)
 222  : BC_FSlider(x,
 223                 y,
 224                 0,
 225                 200,
 226                 200,
 227                 (float)1,
 228                 (float)100,
 229                 plugin->config.depth)
 230 {
 231         this->plugin = plugin;
 232 }
 233 int PolarDepth::handle_event()
 234 {
 235         plugin->config.depth = get_value();
 236         plugin->send_configure_change();
 237         return 1;
 238 }
 239
 240
 241
 242
 243
 244 PolarAngle::PolarAngle(PolarEffect *plugin, int x, int y)
 245  : BC_FSlider(x,
 246                 y,
 247                 0,
 248                 200,
 249                 200,
 250                 (float)1,
 251                 (float)360,
 252                 plugin->config.angle)
 253 {
 254         this->plugin = plugin;
 255 }
 256 int PolarAngle::handle_event()
 257 {
 258         plugin->config.angle = get_value();
 259         plugin->send_configure_change();
 260         return 1;
 261 }
 262
 263
 264
 265
 266
 267 PolarEffect::PolarEffect(PluginServer *server)
 268  : PluginVClient(server)
 269 {
 270         need_reconfigure = 1;
 271         temp_frame = 0;
 272         engine = 0;
 273
 274 }
 275
 276 PolarEffect::~PolarEffect()
 277 {
 278
 279         if(temp_frame) delete temp_frame;
 280         if(engine) delete engine;
 281 }
 282
 283
 284
 285 const char* PolarEffect::plugin_title() { return _("Polar"); }
 286 int PolarEffect::is_realtime() { return 1; }
 287
 288
 289
 290
 291 NEW_WINDOW_MACRO(PolarEffect, PolarWindow)
 292
 293 void PolarEffect::update_gui()
 294 {
 295         if(thread)
 296         {
 297                 load_configuration();
 298                 thread->window->lock_window();
 299                 ((PolarWindow*)thread->window)->angle->update(config.angle);
 300                 ((PolarWindow*)thread->window)->depth->update(config.depth);
 301                 thread->window->unlock_window();
 302         }
 303 }
 304
 305 LOAD_CONFIGURATION_MACRO(PolarEffect, PolarConfig)
 306
 307
 308
 309 void PolarEffect::save_data(KeyFrame *keyframe)
 310 {
 311         FileXML output;
 312
 313 // cause data to be stored directly in text
 314         output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
 315         output.tag.set_title("POLAR");
 316         output.tag.set_property("DEPTH", config.depth);
 317         output.tag.set_property("ANGLE", config.angle);
 318         output.append_tag();
 319         output.tag.set_title("/POLAR");
 320         output.append_tag();
 321         output.append_newline();
 322         output.terminate_string();
 323 }
 324
 325 void PolarEffect::read_data(KeyFrame *keyframe)
 326 {
 327         FileXML input;
 328
 329         input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
 330
 331         while(!input.read_tag())
 332         {
 333                 if(input.tag.title_is("POLAR"))
 334                 {
 335                         config.depth = input.tag.get_property("DEPTH", config.depth);
 336                         config.angle = input.tag.get_property("ANGLE", config.angle);
 337                 }
 338         }
 339 }
 340
 341 int PolarEffect::process_realtime(VFrame *input, VFrame *output)
 342 {
 343         need_reconfigure |= load_configuration();
 344
 345         this->input = input;
 346         this->output = output;
 347
 348         if(EQUIV(config.depth, 0) || EQUIV(config.angle, 0))
 349         {
 350                 if(input->get_rows()[0] != output->get_rows()[0])
 351                         output->copy_from(input);
 352         }
 353         else
 354         {
 355                 if(input->get_rows()[0] == output->get_rows()[0])
 356                 {
 357                         if(!temp_frame) temp_frame = new VFrame(0,
 358                                 -1,
 359                                 input->get_w(),
 360                                 input->get_h(),
 361                                 input->get_color_model(),
 362                                 -1);
 363                         temp_frame->copy_from(input);
 364                         this->input = temp_frame;
 365                 }
 366
 367
 368                 if(!engine) engine = new PolarEngine(this, PluginClient::smp + 1);
 369
 370                 engine->process_packages();
 371         }
 372         return 0;
 373 }
 374
 375
 376
 377
 378
 379 PolarPackage::PolarPackage()
 380  : LoadPackage()
 381 {
 382 }
 383
 384
 385
 386
 387 PolarUnit::PolarUnit(PolarEffect *plugin, PolarEngine *server)
 388  : LoadClient(server)
 389 {
 390         this->plugin = plugin;
 391 }
 392
 393
 394 static int calc_undistorted_coords(int wx,
 395                          int wy,
 396                          int w,
 397                          int h,
 398                          float depth,
 399                          double angle,
 400                          int polar_to_rectangular,
 401                          int backwards,
 402                          int inverse,
 403                          double cen_x,
 404                          double cen_y,
 405                          double &x,
 406                          double &y)
 407 {
 408         int inside;
 409         double phi, phi2;
 410         double xx, xm, ym, yy;
 411         int xdiff, ydiff;
 412         double r;
 413         double m;
 414         double xmax, ymax, rmax;
 415         double x_calc, y_calc;
 416         double xi, yi;
 417         double circle, angl, t;
 418         int x1, x2, y1, y2;
 419
 420 /* initialize */
 421
 422         phi = 0.0;
 423         r = 0.0;
 424
 425         x1 = 0;
 426         y1 = 0;
 427         x2 = w;
 428         y2 = h;
 429         xdiff = x2 - x1;
 430         ydiff = y2 - y1;
 431         xm = xdiff / 2.0;
 432         ym = ydiff / 2.0;
 433         circle = depth;
 434         angle = angle;
 435         angl = (double)angle / 180.0 * M_PI;
 436
 437     if(polar_to_rectangular)
 438     {
 439         if(wx >= cen_x)
 440                 {
 441                         if(wy > cen_y)
 442                 {
 443                         phi = M_PI -
 444                                         atan(((double)(wx - cen_x)) /
 445                                         ((double)(wy - cen_y)));
 446                         r   = sqrt(SQR(wx - cen_x) +
 447                                         SQR(wy - cen_y));
 448                 }
 449                         else
 450                         if(wy < cen_y)
 451                 {
 452                         phi = atan(((double)(wx - cen_x)) /
 453                                         ((double)(cen_y - wy)));
 454                         r   = sqrt(SQR(wx - cen_x) +
 455                                         SQR(cen_y - wy));
 456                 }
 457                         else
 458                 {
 459                         phi = M_PI / 2;
 460                         r   = wx - cen_x;
 461                 }
 462                 }
 463         else
 464                 if(wx < cen_x)
 465                 {
 466                         if(wy < cen_y)
 467                 {
 468                         phi = 2 * M_PI -
 469                                         atan(((double)(cen_x -wx)) /
 470                                     ((double)(cen_y - wy)));
 471                         r   = sqrt(SQR(cen_x - wx) +
 472                                         SQR(cen_y - wy));
 473                 }
 474                         else
 475                         if(wy > cen_y)
 476                 {
 477                         phi = M_PI +
 478                                         atan(((double)(cen_x - wx)) /
 479                                         ((double)(wy - cen_y)));
 480                         r   = sqrt(SQR(cen_x - wx) +
 481                                         SQR(wy - cen_y));
 482                 }
 483                         else
 484                 {
 485                         phi = 1.5 * M_PI;
 486                         r   = cen_x - wx;
 487                 }
 488                 }
 489         if (wx != cen_x)
 490                 {
 491                         m = fabs(((double)(wy - cen_y)) /
 492                                 ((double)(wx - cen_x)));
 493                 }
 494         else
 495                 {
 496                     m = 0;
 497                 }
 498
 499         if(m <= ((double)(y2 - y1) /
 500                         (double)(x2 - x1)))
 501                 {
 502                         if(wx == cen_x)
 503                 {
 504                         xmax = 0;
 505                         ymax = cen_y - y1;
 506                 }
 507                         else
 508                 {
 509                         xmax = cen_x - x1;
 510                         ymax = m * xmax;
 511                 }
 512                 }
 513         else
 514                 {
 515                         ymax = cen_y - y1;
 516                         xmax = ymax / m;
 517                 }
 518
 519         rmax = sqrt((double)(SQR(xmax) + SQR(ymax)));
 520
 521         t = ((cen_y - y1) < (cen_x - x1)) ? (cen_y - y1) : (cen_x - x1);
 522         rmax = (rmax - t) / 100 * (100 - circle) + t;
 523
 524         phi = fmod(phi + angl, 2 * M_PI);
 525
 526         if(backwards)
 527                         x_calc = x2 - 1 - (x2 - x1 - 1) / (2 * M_PI) * phi;
 528         else
 529                         x_calc = (x2 - x1 - 1) / (2 * M_PI) * phi + x1;
 530
 531         if(inverse)
 532                         y_calc = (y2 - y1) / rmax * r + y1;
 533         else
 534                         y_calc = y2 - (y2 - y1) / rmax * r;
 535
 536         xi = (int)(x_calc + 0.5);
 537         yi = (int)(y_calc + 0.5);
 538
 539         if(WITHIN(0, xi, w - 1) && WITHIN(0, yi, h - 1))
 540                 {
 541                         x = x_calc;
 542                         y = y_calc;
 543
 544                         inside = 1;
 545                 }
 546         else
 547                 {
 548                         inside = 0;
 549                 }
 550     }
 551         else
 552     {
 553         if(backwards)
 554                         phi = (2 * M_PI) * (x2 - wx) / xdiff;
 555         else
 556                         phi = (2 * M_PI) * (wx - x1) / xdiff;
 557
 558         phi = fmod (phi + angl, 2 * M_PI);
 559
 560         if(phi >= 1.5 * M_PI)
 561                         phi2 = 2 * M_PI - phi;
 562         else
 563                 if (phi >= M_PI)
 564                         phi2 = phi - M_PI;
 565                 else
 566                 if(phi >= 0.5 * M_PI)
 567                 phi2 = M_PI - phi;
 568                 else
 569                 phi2 = phi;
 570
 571         xx = tan (phi2);
 572         if(xx != 0)
 573                         m = (double)1.0 / xx;
 574         else
 575                         m = 0;
 576
 577         if(m <= ((double)(ydiff) / (double)(xdiff)))
 578                 {
 579                         if(phi2 == 0)
 580                 {
 581                         xmax = 0;
 582                         ymax = ym - y1;
 583                 }
 584                         else
 585                 {
 586                         xmax = xm - x1;
 587                         ymax = m * xmax;
 588                 }
 589                 }
 590         else
 591                 {
 592                         ymax = ym - y1;
 593                         xmax = ymax / m;
 594                 }
 595
 596         rmax = sqrt((double)(SQR(xmax) + SQR(ymax)));
 597
 598         t = ((ym - y1) < (xm - x1)) ? (ym - y1) : (xm - x1);
 599
 600         rmax = (rmax - t) / 100.0 * (100 - circle) + t;
 601
 602         if(inverse)
 603                         r = rmax * (double)((wy - y1) / (double)(ydiff));
 604         else
 605                         r = rmax * (double)((y2 - wy) / (double)(ydiff));
 606
 607         xx = r * sin (phi2);
 608         yy = r * cos (phi2);
 609
 610         if(phi >= 1.5 * M_PI)
 611                 {
 612                         x_calc = (double)xm - xx;
 613                         y_calc = (double)ym - yy;
 614                 }
 615         else
 616                 if(phi >= M_PI)
 617                 {
 618                 x_calc = (double)xm - xx;
 619                 y_calc = (double)ym + yy;
 620                 }
 621                 else
 622                 if(phi >= 0.5 * M_PI)
 623             {
 624                 x_calc = (double)xm + xx;
 625                 y_calc = (double)ym + yy;
 626             }
 627                 else
 628             {
 629                 x_calc = (double)xm + xx;
 630                 y_calc = (double)ym - yy;
 631             }
 632
 633         xi = (int)(x_calc + 0.5);
 634         yi = (int)(y_calc + 0.5);
 635
 636         if(WITHIN(0, xi, w - 1) &&
 637                         WITHIN(0, yi, h - 1))
 638                 {
 639                         x = x_calc;
 640                         y = y_calc;
 641
 642                         inside = 1;
 643         }
 644         else
 645                 {
 646                         inside = 0;
 647                 }
 648     }
 649
 650         return inside;
 651 }
 652
 653 static double bilinear(double x, double y, double *values)
 654 {
 655         double m0, m1;
 656         x = fmod(x, 1.0);
 657         y = fmod(y, 1.0);
 658
 659         if(x < 0.0) x += 1.0;
 660         if(y < 0.0) y += 1.0;
 661
 662         m0 = values[0] + x * (values[1] - values[0]);
 663         m1 = values[2] + x * (values[3] - values[2]);
 664         return m0 + y * (m1 - m0);
 665 }
 666
 667 #define GET_PIXEL(x, y, components, input_rows) \
 668         input_rows[CLIP((y), 0, ((h) - 1))] + components * CLIP((x), 0, ((w) - 1))
 669
 670 #define POLAR_MACRO(type, max, components, chroma_offset) \
 671 { \
 672         type **in_rows = (type**)plugin->input->get_rows(); \
 673         type **out_rows = (type**)plugin->output->get_rows(); \
 674         double values[4]; \
 675  \
 676         for(int y = pkg->row1; y < pkg->row2; y++) \
 677         { \
 678                 type *output_row = out_rows[y]; \
 679  \
 680                 for(int x = 0; x < w; x++) \
 681                 { \
 682                         type *output_pixel = output_row + x * components; \
 683                         if(calc_undistorted_coords(x, \
 684                                 y, \
 685                                 w, \
 686                                 h, \
 687                                 plugin->config.depth, \
 688                                 plugin->config.angle, \
 689                                 plugin->config.polar_to_rectangular, \
 690                                 plugin->config.backwards, \
 691                                 plugin->config.invert, \
 692                                 cen_x, \
 693                                 cen_y, \
 694                                 cx, \
 695                                 cy)) \
 696                         { \
 697                                 type *pixel1 = GET_PIXEL((int)cx,     (int)cy,   components, in_rows); \
 698                                 type *pixel2 = GET_PIXEL((int)cx + 1, (int)cy,   components, in_rows); \
 699                                 type *pixel3 = GET_PIXEL((int)cx,     (int)cy + 1, components, in_rows); \
 700                                 type *pixel4 = GET_PIXEL((int)cx + 1, (int)cy + 1, components, in_rows); \
 701  \
 702                                 values[0] = pixel1[0]; \
 703                                 values[1] = pixel2[0]; \
 704                                 values[2] = pixel3[0]; \
 705                                 values[3] = pixel4[0]; \
 706                                 output_pixel[0] = (type)bilinear(cx, cy, values); \
 707  \
 708                                 values[0] = pixel1[1]; \
 709                                 values[1] = pixel2[1]; \
 710                                 values[2] = pixel3[1]; \
 711                                 values[3] = pixel4[1]; \
 712                                 output_pixel[1] = (type)bilinear(cx, cy, values); \
 713  \
 714                                 values[0] = pixel1[2]; \
 715                                 values[1] = pixel2[2]; \
 716                                 values[2] = pixel3[2]; \
 717                                 values[3] = pixel4[2]; \
 718                                 output_pixel[2] = (type)bilinear(cx, cy, values); \
 719  \
 720                                 if(components == 4) \
 721                                 { \
 722                                         values[0] = pixel1[3]; \
 723                                         values[1] = pixel2[3]; \
 724                                         values[2] = pixel3[3]; \
 725                                         values[3] = pixel4[3]; \
 726                                         output_pixel[3] = (type)bilinear(cx, cy, values); \
 727                                 } \
 728                         } \
 729                         else \
 730                         { \
 731                                 output_pixel[0] = 0; \
 732                                 output_pixel[1] = chroma_offset; \
 733                                 output_pixel[2] = chroma_offset; \
 734                                 if(components == 4) output_pixel[3] = max; \
 735                         } \
 736                 } \
 737         } \
 738 }
 739
 740
 741 void PolarUnit::process_package(LoadPackage *package)
 742 {
 743         PolarPackage *pkg = (PolarPackage*)package;
 744         int w = plugin->input->get_w();
 745         int h = plugin->input->get_h();
 746         double cx;
 747         double cy;
 748         double cen_x = (double)(w - 1) / 2.0;
 749         double cen_y = (double)(h - 1) / 2.0;
 750
 751         switch(plugin->input->get_color_model())
 752         {
 753                 case BC_RGB_FLOAT:
 754                         POLAR_MACRO(float, 1, 3, 0x0)
 755                         break;
 756                 case BC_RGBA_FLOAT:
 757                         POLAR_MACRO(float, 1, 4, 0x0)
 758                         break;
 759                 case BC_RGB888:
 760                         POLAR_MACRO(unsigned char, 0xff, 3, 0x0)
 761                         break;
 762                 case BC_RGBA8888:
 763                         POLAR_MACRO(unsigned char, 0xff, 4, 0x0)
 764                         break;
 765                 case BC_RGB161616:
 766                         POLAR_MACRO(uint16_t, 0xffff, 3, 0x0)
 767                         break;
 768                 case BC_RGBA16161616:
 769                         POLAR_MACRO(uint16_t, 0xffff, 4, 0x0)
 770                         break;
 771                 case BC_YUV888:
 772                         POLAR_MACRO(unsigned char, 0xff, 3, 0x80)
 773                         break;
 774                 case BC_YUVA8888:
 775                         POLAR_MACRO(unsigned char, 0xff, 4, 0x80)
 776                         break;
 777                 case BC_YUV161616:
 778                         POLAR_MACRO(uint16_t, 0xffff, 3, 0x8000)
 779                         break;
 780                 case BC_YUVA16161616:
 781                         POLAR_MACRO(uint16_t, 0xffff, 4, 0x8000)
 782                         break;
 783         }
 784 }
 785
 786
 787
 788
 789 PolarEngine::PolarEngine(PolarEffect *plugin, int cpus)
 790  : LoadServer(cpus, cpus)
 791 {
 792         this->plugin = plugin;
 793 }
 794
 795 void PolarEngine::init_packages()
 796 {
 797         for(int i = 0; i < LoadServer::get_total_packages(); i++)
 798         {
 799                 PolarPackage *pkg = (PolarPackage*)get_package(i);
 800                 pkg->row1 = plugin->input->get_h() * i / LoadServer::get_total_packages();
 801                 pkg->row2 = plugin->input->get_h() * (i + 1) / LoadServer::get_total_packages();
 802         }
 803 }
 804
 805 LoadClient* PolarEngine::new_client()
 806 {
 807         return new PolarUnit(plugin, this);
 808 }
 809
 810 LoadPackage* PolarEngine::new_package()
 811 {
 812         return new PolarPackage;
 813 }
 814
 815
 816