/*     */ package NET.worlds.scape;
/*     */ 
/*     */ import java.io.DataInputStream;
/*     */ import java.io.DataOutputStream;
/*     */ import java.io.IOException;
/*     */ import java.io.PrintStream;
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/*     */ 
/*     */ public class TCompressor
/*     */ {
/*     */   private static final int CMAP_MAXPOSCOMP = 128;
/*     */   private static final int CMAP_DEFAULTAXIS = 0;
/*     */   private static final int CMAP_XUNITARY = 32;
/*     */   private static final int CMAP_YUNITARY = 64;
/*     */   private static final int CMAP_ZUNITARY = 96;
/*     */   private static final int CMAP_ROTATION = 16;
/*     */   private static final int CMAP_ROTSIGN1 = 8;
/*     */   private static final int CMAP_ROTSIGN2 = 4;
/*     */   private static final int CMAP_SCALE = 2;
/*     */   private static final int CMAP_UNIFORMSCALE = 1;
/*     */   private static final int MODE_SENDCMAP = 8388608;
/*     */   private static final int MODE_SENDZ = 4194304;
/*     */   private static final int MODE_MAXPOSCOMP = 128;
/*     */   private static final int MODE_SENDROTAXIS = 96;
/*     */   private static final int MODE_SENDROTATION = 16;
/*     */   private static final int MODE_SENDSCALE = 2;
/*     */   public static final int USER_SEND_POSITION = 32768;
/*     */   public static final int USER_SEND_ROTATION = 16384;
/*     */   public static final int USER_SEND_SCALE = 8192;
/*     */   public static final int USER_SEND_ALL = 57344;
/*     */   private static final int LOW21BITSMASK = 2097151;
/*     */   private static final int LOW18BITSMASK = 262143;
/*     */   private static final int LOW12BITSMASK = 4095;
/*     */   private static final int LOW10BITSMASK = 1023;
/*     */   private static final int LOW8BITSMASK = 255;
/*     */   private static final int BIT20 = 1048576;
/*     */   private static final double SCFACT = 16.0D;
/*     */   private static final double SCOFFSET = 121.6D;
/*  88 */   static int wroteBytes = 0;
/*     */   
/*  90 */   public static boolean dontSend = false;
/*     */   
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */   public static void compress(WObject w, Point3Temp defPos, Point3Temp defRAxis, float defRotation, Point3Temp defScale, int inputModes, DataOutputStream ds)
/*     */     throws IOException
/*     */   {
/* 100 */     Point3Temp pos = w.getPosition();
/* 101 */     Point3Temp rAxis = Point3Temp.make();
/* 102 */     float rotation = w.getSpin(rAxis);
/* 103 */     Point3Temp scale = w.getScale();
/*     */     
/* 105 */     if (dontSend)
/*     */     {
/* 107 */       System.err.println("DONTSEND is TRUE on COMPRESS CALL");
/* 108 */       return;
/*     */     }
/*     */     
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/* 119 */     int mode = inputModes;
/*     */     
/* 121 */     if ((mode & 0x8000) != 0)
/*     */     {
/*     */ 
/* 124 */       if ((pos.x >= 0.0F) && (pos.x <= 4095.0D) && 
/* 125 */         (pos.y >= 0.0F) && (pos.y <= 4095.0D) && (
/* 126 */         ((pos.z >= 0.0F) && (pos.z <= 255.0D)) || (pos.z == defPos.z)))
/* 127 */         mode |= 0x80;
/* 128 */       if (pos.z != defPos.z) { mode |= 0x400000;
/*     */       }
/*     */     }
/*     */     
/*     */ 
/* 133 */     int outaxis1 = 0;int outaxis2 = 0;
/*     */     
/* 135 */     if (((mode & 0x4000) != 0) && (!rAxis.sameValue(defRAxis)))
/*     */     {
/* 137 */       int axisFlag = 0;
/*     */       
/*     */ 
/*     */ 
/*     */ 
/* 142 */       float maxAxis = rAxis.x;
/* 143 */       axisFlag = 32;
/*     */       
/* 145 */       if (Math.abs(rAxis.y) > Math.abs(maxAxis))
/*     */       {
/* 147 */         maxAxis = rAxis.y;
/* 148 */         axisFlag = 64;
/*     */       }
/* 150 */       if (Math.abs(rAxis.z) > Math.abs(maxAxis))
/*     */       {
/* 152 */         maxAxis = rAxis.z;
/* 153 */         axisFlag = 96;
/*     */       }
/*     */       
/* 156 */       rAxis.x /= maxAxis;
/* 157 */       rAxis.y /= maxAxis;
/* 158 */       rAxis.z /= maxAxis;
/*     */       
/* 160 */       mode |= axisFlag;
/*     */       
/* 162 */       if (maxAxis < 0.0F) {
/* 163 */         rotation *= -1.0F;
/*     */       }
/*     */       
/* 166 */       switch (axisFlag)
/*     */       {
/*     */       case 32: 
/* 169 */         if (rAxis.y < 0.0F) mode |= 0x8;
/* 170 */         if (rAxis.z < 0.0F) mode |= 0x4;
/* 171 */         outaxis1 = Math.round(Math.abs(255.0F * rAxis.y));
/* 172 */         outaxis2 = Math.round(Math.abs(255.0F * rAxis.z));
/* 173 */         break;
/*     */       case 64: 
/* 175 */         if (rAxis.x < 0.0F) mode |= 0x8;
/* 176 */         if (rAxis.z < 0.0F) mode |= 0x4;
/* 177 */         outaxis1 = Math.round(Math.abs(255.0F * rAxis.x));
/* 178 */         outaxis2 = Math.round(Math.abs(255.0F * rAxis.z));
/* 179 */         break;
/*     */       case 96: 
/* 181 */         if (rAxis.x < 0.0F) mode |= 0x8;
/* 182 */         if (rAxis.y < 0.0F) mode |= 0x4;
/* 183 */         outaxis1 = Math.round(Math.abs(255.0F * rAxis.x));
/* 184 */         outaxis2 = Math.round(Math.abs(255.0F * rAxis.y));
/* 185 */         break;
/*     */       }
/*     */       
/*     */       
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/* 194 */       if ((outaxis1 == 0) && (outaxis2 == 0) && (maxAxis < 0.0F))
/*     */       {
/* 196 */         mode |= 0x8;
/* 197 */         mode |= 0x4;
/*     */       }
/*     */       
/* 200 */       while (rotation >= 360.0F)
/* 201 */         rotation -= 360.0F;
/* 202 */       while (rotation < 0.0F) {
/* 203 */         rotation += 360.0F;
/*     */       }
/* 205 */       if (rotation != defRotation)
/*     */       {
/* 207 */         mode |= 0x800000;
/* 208 */         mode |= 0x10;
/*     */       }
/*     */     }
/*     */     
/* 212 */     if ((mode & 0x2000) != 0)
/*     */     {
/* 214 */       if (!scale.sameValue(defScale))
/*     */       {
/* 216 */         mode |= 0x800000;
/* 217 */         mode |= 0x2;
/* 218 */         if ((scale.x == scale.y) && (scale.x == scale.z)) {
/* 219 */           mode |= 0x1;
/*     */         }
/*     */       }
/*     */     }
/*     */     
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/* 228 */     if ((mode & 0x800000) != 0)
/*     */     {
/* 230 */       ds.writeByte(mode & 0xFF);
/* 231 */       wroteBytes += 1;
/*     */     }
/*     */     
/* 234 */     if ((mode & 0x8000) != 0)
/*     */     {
/* 236 */       if ((mode & 0x80) != 0)
/*     */       {
/* 238 */         maxCompressXY(pos.x, pos.y, ds);
/* 239 */         if (((mode & 0x400000) != 0) || 
/* 240 */           ((mode & 0x800000) != 0))
/*     */         {
/* 242 */           short iz = (short)Math.round(pos.z);
/* 243 */           int outbyte = iz & 0xFF;
/* 244 */           ds.writeByte(outbyte);
/* 245 */           wroteBytes += 1;
/*     */         }
/*     */       }
/*     */       else
/*     */       {
/* 250 */         minCompressXYZ(pos.x, pos.y, pos.z, ds);
/*     */       }
/*     */     }
/*     */     
/*     */ 
/* 255 */     if ((mode & 0x60) != 0)
/*     */     {
/* 257 */       ds.writeByte(outaxis1);
/* 258 */       ds.writeByte(outaxis2);
/* 259 */       wroteBytes += 2;
/*     */     }
/*     */     
/*     */ 
/* 263 */     if ((mode & 0x10) != 0)
/*     */     {
/* 265 */       int outbyte = (int)Math.round(256.0D * (rotation / 360.0D));
/* 266 */       ds.writeByte(outbyte);
/* 267 */       wroteBytes += 1;
/*     */     }
/*     */     
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/* 278 */     if ((mode & 0x2) != 0)
/*     */     {
/* 280 */       double y = 16.0D * Math.log(scale.x / defScale.x) + 121.6D;
/* 281 */       if (y < 0.0D) y = 0.0D;
/* 282 */       if (y > 255.0D) y = 255.0D;
/* 283 */       int outbyte = (int)Math.round(y);
/* 284 */       ds.writeByte(outbyte);
/* 285 */       wroteBytes += 1;
/* 286 */       if ((mode & 0x1) == 0)
/*     */       {
/* 288 */         y = 16.0D * Math.log(scale.y / defScale.y) + 121.6D;
/* 289 */         if (y < 0.0D) y = 0.0D;
/* 290 */         if (y > 255.0D) y = 255.0D;
/* 291 */         outbyte = (int)Math.round(y);
/* 292 */         ds.writeByte(outbyte);
/* 293 */         wroteBytes += 1;
/*     */         
/* 295 */         y = 16.0D * Math.log(scale.z / defScale.z) + 121.6D;
/* 296 */         if (y < 0.0D) y = 0.0D;
/* 297 */         if (y > 255.0D) y = 255.0D;
/* 298 */         outbyte = (int)Math.round(y);
/* 299 */         ds.writeByte(outbyte);
/* 300 */         wroteBytes += 1;
/*     */       }
/*     */     }
/*     */     
/*     */ 
/* 305 */     wroteBytes = 0;
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */   private static void maxCompressXY(float x, float y, DataOutputStream ds)
/*     */     throws IOException
/*     */   {
/* 313 */     short ix = (short)Math.round(x);
/* 314 */     short iy = (short)Math.round(y);
/*     */     
/*     */ 
/* 317 */     ix = (short)(ix & 0xFFF);
/* 318 */     iy = (short)(iy & 0xFFF);
/*     */     
/*     */ 
/*     */ 
/*     */ 
/* 323 */     int posbyte = ix >>> 4;
/* 324 */     ds.writeByte(posbyte);
/* 325 */     wroteBytes += 1;
/*     */     
/*     */ 
/* 328 */     ix = (short)(ix << 4);
/* 329 */     ix = (short)(ix & 0xFF);
/*     */     
/* 331 */     posbyte = ix | iy >>> 8;
/* 332 */     ds.writeByte(posbyte);
/* 333 */     wroteBytes += 1;
/*     */     
/*     */ 
/* 336 */     posbyte = iy & 0xFF;
/* 337 */     ds.writeByte(posbyte);
/* 338 */     wroteBytes += 1;
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */   private static void minCompressXYZ(float x, float y, float z, DataOutputStream ds)
/*     */     throws IOException
/*     */   {
/* 348 */     int xval = floatTo21bits(x);
/* 349 */     int yval = floatTo21bits(y);
/* 350 */     int zval = floatTo21bits(z);
/*     */     
/*     */ 
/*     */ 
/* 354 */     int outbits = xval << 10 | yval >>> 11;
/* 355 */     ds.writeInt(outbits);
/* 356 */     wroteBytes += 4;
/*     */     
/* 358 */     outbits = yval << 21 | zval;
/* 359 */     ds.writeInt(outbits);
/* 360 */     wroteBytes += 4;
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */   private static int floatTo21bits(float f)
/*     */   {
/* 370 */     for (int e = 0; e <= 3; e++)
/*     */     {
/* 372 */       double decimal = Math.pow(10.0D, e - 2);
/* 373 */       float limit = (float)(262144.0D * decimal);
/* 374 */       float af = Math.abs(f);
/* 375 */       if ((af < limit) || (e == 3))
/*     */       {
/* 377 */         int m = (int)Math.round(af / decimal);
/* 378 */         m &= 0x3FFFF;
/* 379 */         m <<= 2;
/* 380 */         m |= e;
/* 381 */         if (f < 0.0F) m |= 0x100000;
/* 382 */         return m;
/*     */       }
/*     */     }
/* 385 */     return 0;
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */   public static void decompress(WObject w, Point3Temp defPos, Point3Temp defRAxis, float defRotation, Point3Temp defScale, int inputModes, int len, DataInputStream ds)
/*     */     throws IOException
/*     */   {
/* 397 */     int mode = inputModes;
/*     */     
/*     */ 
/* 400 */     Point3Temp pos = w.getPosition();
/* 401 */     Point3Temp rAxis = Point3Temp.make();
/* 402 */     float rotation = w.getSpin(rAxis);
/* 403 */     Point3Temp scale = w.getScale();
/*     */     
/* 405 */     dontSend = true;
/*     */     
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/* 416 */     if (len == 0)
/*     */     {
/* 418 */       w.moveTo(defPos);
/* 419 */       defScale.x /= scale.x;
/* 420 */       defScale.y /= scale.y;
/* 421 */       defScale.z /= scale.z;
/* 422 */       w.scale(scale);
/* 423 */       dontSend = false;
/* 424 */       return;
/*     */     }
/*     */     
/* 427 */     if (len == 24)
/*     */     {
/* 429 */       pos.x = ds.readFloat();
/* 430 */       pos.y = ds.readFloat();
/* 431 */       pos.z = ds.readFloat();
/*     */       
/* 433 */       scale.x = (ds.readFloat() / scale.x);
/* 434 */       scale.y = (ds.readFloat() / scale.y);
/* 435 */       scale.z = (ds.readFloat() / scale.z);
/*     */       
/* 437 */       w.moveTo(pos);
/* 438 */       w.scale(scale);
/* 439 */       dontSend = false;
/* 440 */       return;
/*     */     }
/*     */     
/* 443 */     if (len > 4) {
/* 444 */       mode |= 0x800000;
/*     */     } else {
/* 446 */       mode |= 0x80;
/*     */     }
/* 448 */     if (len == 4) {
/* 449 */       mode |= 0x400000;
/*     */     }
/* 451 */     if ((mode & 0x800000) != 0)
/*     */     {
/* 453 */       int inbyte = ds.readUnsignedByte();
/* 454 */       mode |= inbyte;
/*     */       
/*     */ 
/* 457 */       mode |= 0x400000;
/*     */     }
/*     */     
/* 460 */     if ((mode & 0x8000) != 0)
/*     */     {
/* 462 */       if ((mode & 0x80) != 0)
/*     */       {
/* 464 */         pos = maxDecompressXY(pos, ds);
/* 465 */         if ((mode & 0x400000) != 0)
/*     */         {
/* 467 */           int iz = ds.readUnsignedByte();
/* 468 */           pos.z = iz;
/*     */         }
/*     */       }
/*     */       else
/*     */       {
/* 473 */         pos = minDecompressXYZ(pos, ds);
/*     */       }
/* 475 */       w.moveTo(pos);
/*     */     }
/*     */     
/*     */ 
/*     */ 
/* 480 */     if ((mode & 0x800000) == 0)
/*     */     {
/* 482 */       dontSend = false;
/* 483 */       return;
/*     */     }
/*     */     
/*     */ 
/* 487 */     if ((mode & 0x10) != 0) {
/* 488 */       w.spin(rAxis.x, rAxis.y, rAxis.z, -rotation);
/*     */     }
/*     */     
/*     */ 
/* 492 */     rAxis.x = defRAxis.x;
/* 493 */     rAxis.y = defRAxis.y;
/* 494 */     rAxis.z = defRAxis.z;
/* 495 */     if ((mode & 0x60) != 0)
/*     */     {
/* 497 */       int inaxis1 = ds.readUnsignedByte();
/* 498 */       int inaxis2 = ds.readUnsignedByte();
/*     */       
/* 500 */       switch (mode & 0x60)
/*     */       {
/*     */       case 0: 
/*     */         break;
/*     */       
/*     */ 
/*     */       case 32: 
/* 507 */         rAxis.x = 1.0F;
/* 508 */         rAxis.y = ((float)(inaxis1 / 255.0D));
/* 509 */         rAxis.z = ((float)(inaxis2 / 255.0D));
/* 510 */         if ((mode & 0x8) != 0) { Point3Temp tmp529_527 = rAxis;tmp529_527.y = ((float)(tmp529_527.y * -1.0D)); }
/* 511 */         if ((mode & 0x4) != 0) { Point3Temp tmp551_549 = rAxis;tmp551_549.z = ((float)(tmp551_549.z * -1.0D));
/*     */         }
/* 513 */         if ((rAxis.y == 0.0F) && (rAxis.z == 0.0F) && 
/* 514 */           ((mode & 0x8) != 0) && ((mode & 0x4) != 0)) {
/* 515 */           rAxis.x = -1.0F;
/*     */         }
/* 517 */         break;
/*     */       
/*     */ 
/*     */       case 64: 
/* 521 */         rAxis.y = 1.0F;
/* 522 */         rAxis.x = ((float)(inaxis1 / 255.0D));
/* 523 */         rAxis.z = ((float)(inaxis2 / 255.0D));
/* 524 */         if ((mode & 0x8) != 0) { Point3Temp tmp651_649 = rAxis;tmp651_649.x = ((float)(tmp651_649.x * -1.0D)); }
/* 525 */         if ((mode & 0x4) != 0) { Point3Temp tmp673_671 = rAxis;tmp673_671.z = ((float)(tmp673_671.z * -1.0D));
/*     */         }
/* 527 */         if ((rAxis.x == 0.0F) && (rAxis.z == 0.0F) && 
/* 528 */           ((mode & 0x8) != 0) && ((mode & 0x4) != 0)) {
/* 529 */           rAxis.y = -1.0F;
/*     */         }
/* 531 */         break;
/*     */       
/*     */ 
/*     */       case 96: 
/* 535 */         rAxis.z = 1.0F;
/* 536 */         rAxis.x = ((float)(inaxis1 / 255.0D));
/* 537 */         rAxis.y = ((float)(inaxis2 / 255.0D));
/* 538 */         if ((mode & 0x8) != 0) { Point3Temp tmp773_771 = rAxis;tmp773_771.x = ((float)(tmp773_771.x * -1.0D)); }
/* 539 */         if ((mode & 0x4) != 0) { Point3Temp tmp795_793 = rAxis;tmp795_793.y = ((float)(tmp795_793.y * -1.0D));
/*     */         }
/* 541 */         if ((rAxis.x == 0.0F) && (rAxis.y == 0.0F) && 
/* 542 */           ((mode & 0x8) != 0) && ((mode & 0x4) != 0)) {
/* 543 */           rAxis.z = -1.0F;
/*     */         }
/*     */         break;
/*     */       }
/*     */       
/*     */     }
/* 549 */     if ((mode & 0x10) != 0)
/*     */     {
/* 551 */       int inbyte = ds.readUnsignedByte();
/* 552 */       rotation = (float)(360.0D * (inbyte / 256.0D));
/* 553 */       w.worldSpin(rAxis.x, rAxis.y, rAxis.z, rotation);
/*     */     }
/*     */     
/*     */ 
/* 557 */     if ((mode & 0x2) != 0)
/*     */     {
/* 559 */       int inbyte = ds.readUnsignedByte();
/* 560 */       double s = defScale.x * Math.exp((inbyte - 121.6D) / 16.0D);
/* 561 */       scale.x = ((float)s);
/*     */       
/* 563 */       if ((mode & 0x1) != 0)
/*     */       {
/* 565 */         scale.y = scale.x;
/* 566 */         scale.z = scale.x;
/*     */       }
/*     */       else
/*     */       {
/* 570 */         inbyte = ds.readUnsignedByte();
/* 571 */         s = defScale.y * Math.exp((inbyte - 121.6D) / 16.0D);
/* 572 */         scale.y = ((float)s);
/* 573 */         inbyte = ds.readUnsignedByte();
/* 574 */         s = defScale.z * Math.exp((inbyte - 121.6D) / 16.0D);
/* 575 */         scale.z = ((float)s);
/*     */       }
/* 577 */       Point3Temp oldScale = w.getScale();
/* 578 */       scale.x /= oldScale.x;
/* 579 */       scale.y /= oldScale.y;
/* 580 */       scale.z /= oldScale.z;
/* 581 */       w.scale(scale);
/*     */     }
/*     */     
/* 584 */     dontSend = false;
/*     */   }
/*     */   
/*     */   private static Point3Temp maxDecompressXY(Point3Temp pos, DataInputStream ds)
/*     */     throws IOException
/*     */   {
/* 590 */     int ix = ds.readUnsignedByte();
/* 591 */     ix <<= 4;
/*     */     
/* 593 */     int iy = ds.readUnsignedByte();
/* 594 */     ix |= iy >>> 4;
/*     */     
/* 596 */     iy &= 0xF;
/* 597 */     iy <<= 8;
/*     */     
/* 599 */     iy |= ds.readUnsignedByte();
/*     */     
/* 601 */     pos.x = ix;
/* 602 */     pos.y = iy;
/*     */     
/* 604 */     return pos;
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */   private static Point3Temp minDecompressXYZ(Point3Temp pos, DataInputStream ds)
/*     */     throws IOException
/*     */   {
/* 612 */     int i1 = ds.readInt();
/* 613 */     int i2 = ds.readInt();
/*     */     
/* 615 */     int tmp = i1 >>> 10;
/* 616 */     pos.x = floatFrom21bits(tmp);
/*     */     
/* 618 */     tmp = (i1 & 0x3FF) << 11;
/* 619 */     tmp |= i2 >>> 21;
/* 620 */     pos.y = floatFrom21bits(tmp);
/*     */     
/* 622 */     tmp = i2 & 0x1FFFFF;
/* 623 */     pos.z = floatFrom21bits(tmp);
/*     */     
/* 625 */     return pos;
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */ 
/*     */   private static float floatFrom21bits(int bits)
/*     */   {
/* 633 */     int e = bits & 0x3;
/* 634 */     int s = (bits & 0x100000) << 11 | 0x1;
/*     */     
/* 636 */     int m = (bits & 0xFFEFFFFF) >>> 2;
/* 637 */     double d = Math.pow(10.0D, e - 2);
/*     */     
/* 639 */     return (float)(m * d * s);
/*     */   }
/*     */ }


/* Location:              C:\Program Files (x86)\Worlds Inc\WorldsPlayer - Win7\lib\worlds.jar!\NET\worlds\scape\TCompressor.class
 * Java compiler version: 6 (50.0)
 * JD-Core Version:       0.7.1
 */