001 package net.minecraft.src; 002 003 import cpw.mods.fml.common.Side; 004 import cpw.mods.fml.common.asm.SideOnly; 005 006 import java.util.ArrayList; 007 import java.util.List; 008 import net.minecraftforge.common.IMinecartCollisionHandler; 009 import net.minecraftforge.common.MinecartRegistry; 010 import net.minecraftforge.common.MinecraftForge; 011 import net.minecraftforge.event.entity.minecart.MinecartCollisionEvent; 012 import net.minecraftforge.event.entity.minecart.MinecartInteractEvent; 013 import net.minecraftforge.event.entity.minecart.MinecartUpdateEvent; 014 015 public class EntityMinecart extends Entity implements IInventory 016 { 017 /** Array of item stacks stored in minecart (for storage minecarts). */ 018 protected ItemStack[] cargoItems; 019 protected int fuel; 020 protected boolean field_70499_f; 021 022 /** The type of minecart, 2 for powered, 1 for storage. */ 023 public int minecartType; 024 public double pushX; 025 public double pushZ; 026 protected final IUpdatePlayerListBox field_82344_g; 027 protected boolean field_82345_h; 028 protected static final int[][][] field_70500_g = new int[][][] {{{0, 0, -1}, {0, 0, 1}}, {{ -1, 0, 0}, {1, 0, 0}}, {{ -1, -1, 0}, {1, 0, 0}}, {{ -1, 0, 0}, {1, -1, 0}}, {{0, 0, -1}, {0, -1, 1}}, {{0, -1, -1}, {0, 0, 1}}, {{0, 0, 1}, {1, 0, 0}}, {{0, 0, 1}, { -1, 0, 0}}, {{0, 0, -1}, { -1, 0, 0}}, {{0, 0, -1}, {1, 0, 0}}}; 029 030 /** appears to be the progress of the turn */ 031 protected int turnProgress; 032 protected double minecartX; 033 protected double minecartY; 034 protected double minecartZ; 035 protected double minecartYaw; 036 protected double minecartPitch; 037 @SideOnly(Side.CLIENT) 038 protected double velocityX; 039 @SideOnly(Side.CLIENT) 040 protected double velocityY; 041 @SideOnly(Side.CLIENT) 042 protected double velocityZ; 043 044 /* Forge: Minecart Compatibility Layer Integration. */ 045 public static float defaultMaxSpeedRail = 0.4f; 046 public static float defaultMaxSpeedGround = 0.4f; 047 public static float defaultMaxSpeedAirLateral = 0.4f; 048 public static float defaultMaxSpeedAirVertical = -1f; 049 public static double defaultDragRidden = 0.996999979019165D; 050 public static double defaultDragEmpty = 0.9599999785423279D; 051 public static double defaultDragAir = 0.94999998807907104D; 052 protected boolean canUseRail = true; 053 protected boolean canBePushed = true; 054 private static IMinecartCollisionHandler collisionHandler = null; 055 056 /* Instance versions of the above physics properties */ 057 protected float maxSpeedRail; 058 protected float maxSpeedGround; 059 protected float maxSpeedAirLateral; 060 protected float maxSpeedAirVertical; 061 protected double dragAir; 062 063 public EntityMinecart(World par1World) 064 { 065 super(par1World); 066 this.cargoItems = new ItemStack[36]; 067 this.fuel = 0; 068 this.field_70499_f = false; 069 this.field_82345_h = true; 070 this.preventEntitySpawning = true; 071 this.setSize(0.98F, 0.7F); 072 this.yOffset = this.height / 2.0F; 073 this.field_82344_g = par1World != null ? par1World.func_82735_a(this) : null; 074 075 maxSpeedRail = defaultMaxSpeedRail; 076 maxSpeedGround = defaultMaxSpeedGround; 077 maxSpeedAirLateral = defaultMaxSpeedAirLateral; 078 maxSpeedAirVertical = defaultMaxSpeedAirVertical; 079 dragAir = defaultDragAir; 080 } 081 082 public EntityMinecart(World world, int type) 083 { 084 this(world); 085 minecartType = type; 086 } 087 088 /** 089 * returns if this entity triggers Block.onEntityWalking on the blocks they walk on. used for spiders and wolves to 090 * prevent them from trampling crops 091 */ 092 protected boolean canTriggerWalking() 093 { 094 return false; 095 } 096 097 protected void entityInit() 098 { 099 this.dataWatcher.addObject(16, new Byte((byte)0)); 100 this.dataWatcher.addObject(17, new Integer(0)); 101 this.dataWatcher.addObject(18, new Integer(1)); 102 this.dataWatcher.addObject(19, new Integer(0)); 103 } 104 105 /** 106 * Returns a boundingBox used to collide the entity with other entities and blocks. This enables the entity to be 107 * pushable on contact, like boats or minecarts. 108 */ 109 public AxisAlignedBB getCollisionBox(Entity par1Entity) 110 { 111 if (getCollisionHandler() != null) 112 { 113 return getCollisionHandler().getCollisionBox(this, par1Entity); 114 } 115 return par1Entity.canBePushed() ? par1Entity.boundingBox : null; 116 } 117 118 /** 119 * returns the bounding box for this entity 120 */ 121 public AxisAlignedBB getBoundingBox() 122 { 123 if (getCollisionHandler() != null) 124 { 125 return getCollisionHandler().getBoundingBox(this); 126 } 127 return null; 128 } 129 130 /** 131 * Returns true if this entity should push and be pushed by other entities when colliding. 132 */ 133 public boolean canBePushed() 134 { 135 return canBePushed; 136 } 137 138 public EntityMinecart(World par1World, double par2, double par4, double par6, int par8) 139 { 140 this(par1World); 141 this.setPosition(par2, par4 + (double)this.yOffset, par6); 142 this.motionX = 0.0D; 143 this.motionY = 0.0D; 144 this.motionZ = 0.0D; 145 this.prevPosX = par2; 146 this.prevPosY = par4; 147 this.prevPosZ = par6; 148 this.minecartType = par8; 149 } 150 151 /** 152 * Returns the Y offset from the entity's position for any entity riding this one. 153 */ 154 public double getMountedYOffset() 155 { 156 return (double)this.height * 0.0D - 0.30000001192092896D; 157 } 158 159 /** 160 * Called when the entity is attacked. 161 */ 162 public boolean attackEntityFrom(DamageSource par1DamageSource, int par2) 163 { 164 if (!this.worldObj.isRemote && !this.isDead) 165 { 166 if (this.func_85032_ar()) 167 { 168 return false; 169 } 170 else 171 { 172 this.func_70494_i(-this.func_70493_k()); 173 this.func_70497_h(10); 174 this.setBeenAttacked(); 175 this.setDamage(this.getDamage() + par2 * 10); 176 177 if (par1DamageSource.getEntity() instanceof EntityPlayer && ((EntityPlayer)par1DamageSource.getEntity()).capabilities.isCreativeMode) 178 { 179 this.setDamage(100); 180 } 181 182 if (this.getDamage() > 40) 183 { 184 if (this.riddenByEntity != null) 185 { 186 this.riddenByEntity.mountEntity(this); 187 } 188 189 this.setDead(); 190 dropCartAsItem(); 191 } 192 193 return true; 194 } 195 } 196 else 197 { 198 return true; 199 } 200 } 201 202 @SideOnly(Side.CLIENT) 203 204 /** 205 * Setups the entity to do the hurt animation. Only used by packets in multiplayer. 206 */ 207 public void performHurtAnimation() 208 { 209 this.func_70494_i(-this.func_70493_k()); 210 this.func_70497_h(10); 211 this.setDamage(this.getDamage() + this.getDamage() * 10); 212 } 213 214 /** 215 * Returns true if other Entities should be prevented from moving through this Entity. 216 */ 217 public boolean canBeCollidedWith() 218 { 219 return !this.isDead; 220 } 221 222 /** 223 * Will get destroyed next tick. 224 */ 225 public void setDead() 226 { 227 if (this.field_82345_h) 228 { 229 for (int var1 = 0; var1 < this.getSizeInventory(); ++var1) 230 { 231 ItemStack var2 = this.getStackInSlot(var1); 232 233 if (var2 != null) 234 { 235 float var3 = this.rand.nextFloat() * 0.8F + 0.1F; 236 float var4 = this.rand.nextFloat() * 0.8F + 0.1F; 237 float var5 = this.rand.nextFloat() * 0.8F + 0.1F; 238 239 while (var2.stackSize > 0) 240 { 241 int var6 = this.rand.nextInt(21) + 10; 242 243 if (var6 > var2.stackSize) 244 { 245 var6 = var2.stackSize; 246 } 247 248 var2.stackSize -= var6; 249 EntityItem var7 = new EntityItem(this.worldObj, this.posX + (double)var3, this.posY + (double)var4, this.posZ + (double)var5, new ItemStack(var2.itemID, var6, var2.getItemDamage())); 250 251 if (var2.hasTagCompound()) 252 { 253 var7.item.setTagCompound((NBTTagCompound)var2.getTagCompound().copy()); 254 } 255 256 float var8 = 0.05F; 257 var7.motionX = (double)((float)this.rand.nextGaussian() * var8); 258 var7.motionY = (double)((float)this.rand.nextGaussian() * var8 + 0.2F); 259 var7.motionZ = (double)((float)this.rand.nextGaussian() * var8); 260 this.worldObj.spawnEntityInWorld(var7); 261 } 262 } 263 } 264 } 265 266 super.setDead(); 267 268 if (this.field_82344_g != null) 269 { 270 this.field_82344_g.update(); 271 } 272 } 273 274 /** 275 * Teleports the entity to another dimension. Params: Dimension number to teleport to 276 */ 277 public void travelToDimension(int par1) 278 { 279 this.field_82345_h = false; 280 super.travelToDimension(par1); 281 } 282 283 /** 284 * Called to update the entity's position/logic. 285 */ 286 public void onUpdate() 287 { 288 if (this.field_82344_g != null) 289 { 290 this.field_82344_g.update(); 291 } 292 293 if (this.func_70496_j() > 0) 294 { 295 this.func_70497_h(this.func_70496_j() - 1); 296 } 297 298 if (this.getDamage() > 0) 299 { 300 this.setDamage(this.getDamage() - 1); 301 } 302 303 if (this.posY < -64.0D) 304 { 305 this.kill(); 306 } 307 308 if (this.isMinecartPowered() && this.rand.nextInt(4) == 0 && minecartType == 2 && getClass() == EntityMinecart.class) 309 { 310 this.worldObj.spawnParticle("largesmoke", this.posX, this.posY + 0.8D, this.posZ, 0.0D, 0.0D, 0.0D); 311 } 312 313 if (this.worldObj.isRemote) 314 { 315 if (this.turnProgress > 0) 316 { 317 double var45 = this.posX + (this.minecartX - this.posX) / (double)this.turnProgress; 318 double var46 = this.posY + (this.minecartY - this.posY) / (double)this.turnProgress; 319 double var5 = this.posZ + (this.minecartZ - this.posZ) / (double)this.turnProgress; 320 double var7 = MathHelper.wrapAngleTo180_double(this.minecartYaw - (double)this.rotationYaw); 321 this.rotationYaw = (float)((double)this.rotationYaw + var7 / (double)this.turnProgress); 322 this.rotationPitch = (float)((double)this.rotationPitch + (this.minecartPitch - (double)this.rotationPitch) / (double)this.turnProgress); 323 --this.turnProgress; 324 this.setPosition(var45, var46, var5); 325 this.setRotation(this.rotationYaw, this.rotationPitch); 326 } 327 else 328 { 329 this.setPosition(this.posX, this.posY, this.posZ); 330 this.setRotation(this.rotationYaw, this.rotationPitch); 331 } 332 } 333 else 334 { 335 this.prevPosX = this.posX; 336 this.prevPosY = this.posY; 337 this.prevPosZ = this.posZ; 338 this.motionY -= 0.03999999910593033D; 339 int var1 = MathHelper.floor_double(this.posX); 340 int var2 = MathHelper.floor_double(this.posY); 341 int var3 = MathHelper.floor_double(this.posZ); 342 343 if (BlockRail.isRailBlockAt(this.worldObj, var1, var2 - 1, var3)) 344 { 345 --var2; 346 } 347 348 double var4 = 0.4D; 349 double var6 = 0.0078125D; 350 int var8 = this.worldObj.getBlockId(var1, var2, var3); 351 352 if (canUseRail() && BlockRail.isRailBlock(var8)) 353 { 354 this.fallDistance = 0.0F; 355 Vec3 var9 = this.func_70489_a(this.posX, this.posY, this.posZ); 356 int var10 = ((BlockRail)Block.blocksList[var8]).getBasicRailMetadata(worldObj, this, var1, var2, var3); 357 this.posY = (double)var2; 358 boolean var11 = false; 359 boolean var12 = false; 360 361 if (var8 == Block.railPowered.blockID) 362 { 363 var11 = (worldObj.getBlockMetadata(var1, var2, var3) & 8) != 0; 364 var12 = !var11; 365 } 366 367 if (((BlockRail)Block.blocksList[var8]).isPowered()) 368 { 369 var10 &= 7; 370 } 371 372 if (var10 >= 2 && var10 <= 5) 373 { 374 this.posY = (double)(var2 + 1); 375 } 376 377 adjustSlopeVelocities(var10); 378 379 int[][] var13 = field_70500_g[var10]; 380 double var14 = (double)(var13[1][0] - var13[0][0]); 381 double var16 = (double)(var13[1][2] - var13[0][2]); 382 double var18 = Math.sqrt(var14 * var14 + var16 * var16); 383 double var20 = this.motionX * var14 + this.motionZ * var16; 384 385 if (var20 < 0.0D) 386 { 387 var14 = -var14; 388 var16 = -var16; 389 } 390 391 double var22 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ); 392 this.motionX = var22 * var14 / var18; 393 this.motionZ = var22 * var16 / var18; 394 double var24; 395 double var26; 396 397 if (this.riddenByEntity != null) 398 { 399 var24 = this.riddenByEntity.motionX * this.riddenByEntity.motionX + this.riddenByEntity.motionZ * this.riddenByEntity.motionZ; 400 var26 = this.motionX * this.motionX + this.motionZ * this.motionZ; 401 402 if (var24 > 1.0E-4D && var26 < 0.01D) 403 { 404 this.motionX += this.riddenByEntity.motionX * 0.1D; 405 this.motionZ += this.riddenByEntity.motionZ * 0.1D; 406 var12 = false; 407 } 408 } 409 410 if (var12 && shouldDoRailFunctions()) 411 { 412 var24 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ); 413 414 if (var24 < 0.03D) 415 { 416 this.motionX *= 0.0D; 417 this.motionY *= 0.0D; 418 this.motionZ *= 0.0D; 419 } 420 else 421 { 422 this.motionX *= 0.5D; 423 this.motionY *= 0.0D; 424 this.motionZ *= 0.5D; 425 } 426 } 427 428 var24 = 0.0D; 429 var26 = (double)var1 + 0.5D + (double)var13[0][0] * 0.5D; 430 double var28 = (double)var3 + 0.5D + (double)var13[0][2] * 0.5D; 431 double var30 = (double)var1 + 0.5D + (double)var13[1][0] * 0.5D; 432 double var32 = (double)var3 + 0.5D + (double)var13[1][2] * 0.5D; 433 var14 = var30 - var26; 434 var16 = var32 - var28; 435 double var34; 436 double var36; 437 438 if (var14 == 0.0D) 439 { 440 this.posX = (double)var1 + 0.5D; 441 var24 = this.posZ - (double)var3; 442 } 443 else if (var16 == 0.0D) 444 { 445 this.posZ = (double)var3 + 0.5D; 446 var24 = this.posX - (double)var1; 447 } 448 else 449 { 450 var34 = this.posX - var26; 451 var36 = this.posZ - var28; 452 var24 = (var34 * var14 + var36 * var16) * 2.0D; 453 } 454 455 this.posX = var26 + var14 * var24; 456 this.posZ = var28 + var16 * var24; 457 this.setPosition(this.posX, this.posY + (double)this.yOffset, this.posZ); 458 459 moveMinecartOnRail(var1, var2, var3); 460 461 if (var13[0][1] != 0 && MathHelper.floor_double(this.posX) - var1 == var13[0][0] && MathHelper.floor_double(this.posZ) - var3 == var13[0][2]) 462 { 463 this.setPosition(this.posX, this.posY + (double)var13[0][1], this.posZ); 464 } 465 else if (var13[1][1] != 0 && MathHelper.floor_double(this.posX) - var1 == var13[1][0] && MathHelper.floor_double(this.posZ) - var3 == var13[1][2]) 466 { 467 this.setPosition(this.posX, this.posY + (double)var13[1][1], this.posZ); 468 } 469 470 applyDragAndPushForces(); 471 472 Vec3 var52 = this.func_70489_a(this.posX, this.posY, this.posZ); 473 474 if (var52 != null && var9 != null) 475 { 476 double var39 = (var9.yCoord - var52.yCoord) * 0.05D; 477 var22 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ); 478 479 if (var22 > 0.0D) 480 { 481 this.motionX = this.motionX / var22 * (var22 + var39); 482 this.motionZ = this.motionZ / var22 * (var22 + var39); 483 } 484 485 this.setPosition(this.posX, var52.yCoord, this.posZ); 486 } 487 488 int var51 = MathHelper.floor_double(this.posX); 489 int var53 = MathHelper.floor_double(this.posZ); 490 491 if (var51 != var1 || var53 != var3) 492 { 493 var22 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ); 494 this.motionX = var22 * (double)(var51 - var1); 495 this.motionZ = var22 * (double)(var53 - var3); 496 } 497 498 double var41; 499 500 updatePushForces(); 501 502 if(shouldDoRailFunctions()) 503 { 504 ((BlockRail)Block.blocksList[var8]).onMinecartPass(worldObj, this, var1, var2, var3); 505 } 506 507 if (var11 && shouldDoRailFunctions()) 508 { 509 var41 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ); 510 511 if (var41 > 0.01D) 512 { 513 double var43 = 0.06D; 514 this.motionX += this.motionX / var41 * var43; 515 this.motionZ += this.motionZ / var41 * var43; 516 } 517 else if (var10 == 1) 518 { 519 if (this.worldObj.isBlockNormalCube(var1 - 1, var2, var3)) 520 { 521 this.motionX = 0.02D; 522 } 523 else if (this.worldObj.isBlockNormalCube(var1 + 1, var2, var3)) 524 { 525 this.motionX = -0.02D; 526 } 527 } 528 else if (var10 == 0) 529 { 530 if (this.worldObj.isBlockNormalCube(var1, var2, var3 - 1)) 531 { 532 this.motionZ = 0.02D; 533 } 534 else if (this.worldObj.isBlockNormalCube(var1, var2, var3 + 1)) 535 { 536 this.motionZ = -0.02D; 537 } 538 } 539 } 540 } 541 else 542 { 543 moveMinecartOffRail(var1, var2, var3); 544 } 545 546 this.doBlockCollisions(); 547 this.rotationPitch = 0.0F; 548 double var47 = this.prevPosX - this.posX; 549 double var48 = this.prevPosZ - this.posZ; 550 551 if (var47 * var47 + var48 * var48 > 0.001D) 552 { 553 this.rotationYaw = (float)(Math.atan2(var48, var47) * 180.0D / Math.PI); 554 555 if (this.field_70499_f) 556 { 557 this.rotationYaw += 180.0F; 558 } 559 } 560 561 double var49 = (double)MathHelper.wrapAngleTo180_float(this.rotationYaw - this.prevRotationYaw); 562 563 if (var49 < -170.0D || var49 >= 170.0D) 564 { 565 this.rotationYaw += 180.0F; 566 this.field_70499_f = !this.field_70499_f; 567 } 568 569 this.setRotation(this.rotationYaw, this.rotationPitch); 570 571 AxisAlignedBB box = null; 572 if (getCollisionHandler() != null) 573 { 574 box = getCollisionHandler().getMinecartCollisionBox(this); 575 } 576 else 577 { 578 box = boundingBox.expand(0.2D, 0.0D, 0.2D); 579 } 580 581 List var15 = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, box); 582 583 if (var15 != null && !var15.isEmpty()) 584 { 585 for (int var50 = 0; var50 < var15.size(); ++var50) 586 { 587 Entity var17 = (Entity)var15.get(var50); 588 589 if (var17 != this.riddenByEntity && var17.canBePushed() && var17 instanceof EntityMinecart) 590 { 591 var17.applyEntityCollision(this); 592 } 593 } 594 } 595 596 if (this.riddenByEntity != null && this.riddenByEntity.isDead) 597 { 598 if (this.riddenByEntity.ridingEntity == this) 599 { 600 this.riddenByEntity.ridingEntity = null; 601 } 602 603 this.riddenByEntity = null; 604 } 605 606 updateFuel(); 607 MinecraftForge.EVENT_BUS.post(new MinecartUpdateEvent(this, var1, var2, var3)); 608 } 609 } 610 611 @SideOnly(Side.CLIENT) 612 public Vec3 func_70495_a(double par1, double par3, double par5, double par7) 613 { 614 int var9 = MathHelper.floor_double(par1); 615 int var10 = MathHelper.floor_double(par3); 616 int var11 = MathHelper.floor_double(par5); 617 618 if (BlockRail.isRailBlockAt(this.worldObj, var9, var10 - 1, var11)) 619 { 620 --var10; 621 } 622 623 int var12 = this.worldObj.getBlockId(var9, var10, var11); 624 625 if (!BlockRail.isRailBlock(var12)) 626 { 627 return null; 628 } 629 else 630 { 631 int var13 = ((BlockRail)Block.blocksList[var12]).getBasicRailMetadata(worldObj, this, var9, var10, var11); 632 633 par3 = (double)var10; 634 635 if (var13 >= 2 && var13 <= 5) 636 { 637 par3 = (double)(var10 + 1); 638 } 639 640 int[][] var14 = field_70500_g[var13]; 641 double var15 = (double)(var14[1][0] - var14[0][0]); 642 double var17 = (double)(var14[1][2] - var14[0][2]); 643 double var19 = Math.sqrt(var15 * var15 + var17 * var17); 644 var15 /= var19; 645 var17 /= var19; 646 par1 += var15 * par7; 647 par5 += var17 * par7; 648 649 if (var14[0][1] != 0 && MathHelper.floor_double(par1) - var9 == var14[0][0] && MathHelper.floor_double(par5) - var11 == var14[0][2]) 650 { 651 par3 += (double)var14[0][1]; 652 } 653 else if (var14[1][1] != 0 && MathHelper.floor_double(par1) - var9 == var14[1][0] && MathHelper.floor_double(par5) - var11 == var14[1][2]) 654 { 655 par3 += (double)var14[1][1]; 656 } 657 658 return this.func_70489_a(par1, par3, par5); 659 } 660 } 661 662 public Vec3 func_70489_a(double par1, double par3, double par5) 663 { 664 int var7 = MathHelper.floor_double(par1); 665 int var8 = MathHelper.floor_double(par3); 666 int var9 = MathHelper.floor_double(par5); 667 668 if (BlockRail.isRailBlockAt(this.worldObj, var7, var8 - 1, var9)) 669 { 670 --var8; 671 } 672 673 int var10 = this.worldObj.getBlockId(var7, var8, var9); 674 675 if (BlockRail.isRailBlock(var10)) 676 { 677 int var11 = ((BlockRail)Block.blocksList[var10]).getBasicRailMetadata(worldObj, this, var7, var8, var9); 678 par3 = (double)var8; 679 680 if (var11 >= 2 && var11 <= 5) 681 { 682 par3 = (double)(var8 + 1); 683 } 684 685 int[][] var12 = field_70500_g[var11]; 686 double var13 = 0.0D; 687 double var15 = (double)var7 + 0.5D + (double)var12[0][0] * 0.5D; 688 double var17 = (double)var8 + 0.5D + (double)var12[0][1] * 0.5D; 689 double var19 = (double)var9 + 0.5D + (double)var12[0][2] * 0.5D; 690 double var21 = (double)var7 + 0.5D + (double)var12[1][0] * 0.5D; 691 double var23 = (double)var8 + 0.5D + (double)var12[1][1] * 0.5D; 692 double var25 = (double)var9 + 0.5D + (double)var12[1][2] * 0.5D; 693 double var27 = var21 - var15; 694 double var29 = (var23 - var17) * 2.0D; 695 double var31 = var25 - var19; 696 697 if (var27 == 0.0D) 698 { 699 par1 = (double)var7 + 0.5D; 700 var13 = par5 - (double)var9; 701 } 702 else if (var31 == 0.0D) 703 { 704 par5 = (double)var9 + 0.5D; 705 var13 = par1 - (double)var7; 706 } 707 else 708 { 709 double var33 = par1 - var15; 710 double var35 = par5 - var19; 711 var13 = (var33 * var27 + var35 * var31) * 2.0D; 712 } 713 714 par1 = var15 + var27 * var13; 715 par3 = var17 + var29 * var13; 716 par5 = var19 + var31 * var13; 717 718 if (var29 < 0.0D) 719 { 720 ++par3; 721 } 722 723 if (var29 > 0.0D) 724 { 725 par3 += 0.5D; 726 } 727 728 return this.worldObj.getWorldVec3Pool().getVecFromPool(par1, par3, par5); 729 } 730 else 731 { 732 return null; 733 } 734 } 735 736 /** 737 * (abstract) Protected helper method to write subclass entity data to NBT. 738 */ 739 protected void writeEntityToNBT(NBTTagCompound par1NBTTagCompound) 740 { 741 par1NBTTagCompound.setInteger("Type", this.minecartType); 742 743 if (isPoweredCart()) 744 { 745 par1NBTTagCompound.setDouble("PushX", this.pushX); 746 par1NBTTagCompound.setDouble("PushZ", this.pushZ); 747 par1NBTTagCompound.setInteger("Fuel", this.fuel); 748 } 749 750 if (getSizeInventory() > 0) 751 { 752 NBTTagList var2 = new NBTTagList(); 753 754 for (int var3 = 0; var3 < this.cargoItems.length; ++var3) 755 { 756 if (this.cargoItems[var3] != null) 757 { 758 NBTTagCompound var4 = new NBTTagCompound(); 759 var4.setByte("Slot", (byte)var3); 760 this.cargoItems[var3].writeToNBT(var4); 761 var2.appendTag(var4); 762 } 763 } 764 765 par1NBTTagCompound.setTag("Items", var2); 766 } 767 } 768 769 /** 770 * (abstract) Protected helper method to read subclass entity data from NBT. 771 */ 772 protected void readEntityFromNBT(NBTTagCompound par1NBTTagCompound) 773 { 774 this.minecartType = par1NBTTagCompound.getInteger("Type"); 775 776 if (isPoweredCart()) 777 { 778 this.pushX = par1NBTTagCompound.getDouble("PushX"); 779 this.pushZ = par1NBTTagCompound.getDouble("PushZ"); 780 try 781 { 782 this.fuel = par1NBTTagCompound.getInteger("Fuel"); 783 } 784 catch (ClassCastException e) 785 { 786 this.fuel = par1NBTTagCompound.getShort("Fuel"); 787 } 788 } 789 790 if (getSizeInventory() > 0) 791 { 792 NBTTagList var2 = par1NBTTagCompound.getTagList("Items"); 793 this.cargoItems = new ItemStack[this.getSizeInventory()]; 794 795 for (int var3 = 0; var3 < var2.tagCount(); ++var3) 796 { 797 NBTTagCompound var4 = (NBTTagCompound)var2.tagAt(var3); 798 int var5 = var4.getByte("Slot") & 255; 799 800 if (var5 >= 0 && var5 < this.cargoItems.length) 801 { 802 this.cargoItems[var5] = ItemStack.loadItemStackFromNBT(var4); 803 } 804 } 805 } 806 } 807 808 @SideOnly(Side.CLIENT) 809 public float getShadowSize() 810 { 811 return 0.0F; 812 } 813 814 /** 815 * Applies a velocity to each of the entities pushing them away from each other. Args: entity 816 */ 817 public void applyEntityCollision(Entity par1Entity) 818 { 819 MinecraftForge.EVENT_BUS.post(new MinecartCollisionEvent(this, par1Entity)); 820 if (getCollisionHandler() != null) 821 { 822 getCollisionHandler().onEntityCollision(this, par1Entity); 823 return; 824 } 825 if (!this.worldObj.isRemote) 826 { 827 if (par1Entity != this.riddenByEntity) 828 { 829 if (par1Entity instanceof EntityLiving && !(par1Entity instanceof EntityPlayer) && !(par1Entity instanceof EntityIronGolem) && canBeRidden() && this.motionX * this.motionX + this.motionZ * this.motionZ > 0.01D && this.riddenByEntity == null && par1Entity.ridingEntity == null) 830 { 831 par1Entity.mountEntity(this); 832 } 833 834 double var2 = par1Entity.posX - this.posX; 835 double var4 = par1Entity.posZ - this.posZ; 836 double var6 = var2 * var2 + var4 * var4; 837 838 if (var6 >= 9.999999747378752E-5D) 839 { 840 var6 = (double)MathHelper.sqrt_double(var6); 841 var2 /= var6; 842 var4 /= var6; 843 double var8 = 1.0D / var6; 844 845 if (var8 > 1.0D) 846 { 847 var8 = 1.0D; 848 } 849 850 var2 *= var8; 851 var4 *= var8; 852 var2 *= 0.10000000149011612D; 853 var4 *= 0.10000000149011612D; 854 var2 *= (double)(1.0F - this.entityCollisionReduction); 855 var4 *= (double)(1.0F - this.entityCollisionReduction); 856 var2 *= 0.5D; 857 var4 *= 0.5D; 858 859 if (par1Entity instanceof EntityMinecart) 860 { 861 double var10 = par1Entity.posX - this.posX; 862 double var12 = par1Entity.posZ - this.posZ; 863 Vec3 var14 = this.worldObj.getWorldVec3Pool().getVecFromPool(var10, 0.0D, var12).normalize(); 864 Vec3 var15 = this.worldObj.getWorldVec3Pool().getVecFromPool((double)MathHelper.cos(this.rotationYaw * (float)Math.PI / 180.0F), 0.0D, (double)MathHelper.sin(this.rotationYaw * (float)Math.PI / 180.0F)).normalize(); 865 double var16 = Math.abs(var14.dotProduct(var15)); 866 867 if (var16 < 0.800000011920929D) 868 { 869 return; 870 } 871 872 double var18 = par1Entity.motionX + this.motionX; 873 double var20 = par1Entity.motionZ + this.motionZ; 874 875 if (((EntityMinecart)par1Entity).isPoweredCart() && !isPoweredCart()) 876 { 877 this.motionX *= 0.20000000298023224D; 878 this.motionZ *= 0.20000000298023224D; 879 this.addVelocity(par1Entity.motionX - var2, 0.0D, par1Entity.motionZ - var4); 880 par1Entity.motionX *= 0.949999988079071D; 881 par1Entity.motionZ *= 0.949999988079071D; 882 } 883 else if (!((EntityMinecart)par1Entity).isPoweredCart() && isPoweredCart()) 884 { 885 par1Entity.motionX *= 0.20000000298023224D; 886 par1Entity.motionZ *= 0.20000000298023224D; 887 par1Entity.addVelocity(this.motionX + var2, 0.0D, this.motionZ + var4); 888 this.motionX *= 0.949999988079071D; 889 this.motionZ *= 0.949999988079071D; 890 } 891 else 892 { 893 var18 /= 2.0D; 894 var20 /= 2.0D; 895 this.motionX *= 0.20000000298023224D; 896 this.motionZ *= 0.20000000298023224D; 897 this.addVelocity(var18 - var2, 0.0D, var20 - var4); 898 par1Entity.motionX *= 0.20000000298023224D; 899 par1Entity.motionZ *= 0.20000000298023224D; 900 par1Entity.addVelocity(var18 + var2, 0.0D, var20 + var4); 901 } 902 } 903 else 904 { 905 this.addVelocity(-var2, 0.0D, -var4); 906 par1Entity.addVelocity(var2 / 4.0D, 0.0D, var4 / 4.0D); 907 } 908 } 909 } 910 } 911 } 912 913 /** 914 * Returns the number of slots in the inventory. 915 */ 916 public int getSizeInventory() 917 { 918 return (minecartType == 1 && getClass() == EntityMinecart.class ? 27 : 0); 919 } 920 921 /** 922 * Returns the stack in slot i 923 */ 924 public ItemStack getStackInSlot(int par1) 925 { 926 return this.cargoItems[par1]; 927 } 928 929 /** 930 * Removes from an inventory slot (first arg) up to a specified number (second arg) of items and returns them in a 931 * new stack. 932 */ 933 public ItemStack decrStackSize(int par1, int par2) 934 { 935 if (this.cargoItems[par1] != null) 936 { 937 ItemStack var3; 938 939 if (this.cargoItems[par1].stackSize <= par2) 940 { 941 var3 = this.cargoItems[par1]; 942 this.cargoItems[par1] = null; 943 return var3; 944 } 945 else 946 { 947 var3 = this.cargoItems[par1].splitStack(par2); 948 949 if (this.cargoItems[par1].stackSize == 0) 950 { 951 this.cargoItems[par1] = null; 952 } 953 954 return var3; 955 } 956 } 957 else 958 { 959 return null; 960 } 961 } 962 963 /** 964 * When some containers are closed they call this on each slot, then drop whatever it returns as an EntityItem - 965 * like when you close a workbench GUI. 966 */ 967 public ItemStack getStackInSlotOnClosing(int par1) 968 { 969 if (this.cargoItems[par1] != null) 970 { 971 ItemStack var2 = this.cargoItems[par1]; 972 this.cargoItems[par1] = null; 973 return var2; 974 } 975 else 976 { 977 return null; 978 } 979 } 980 981 /** 982 * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections). 983 */ 984 public void setInventorySlotContents(int par1, ItemStack par2ItemStack) 985 { 986 this.cargoItems[par1] = par2ItemStack; 987 988 if (par2ItemStack != null && par2ItemStack.stackSize > this.getInventoryStackLimit()) 989 { 990 par2ItemStack.stackSize = this.getInventoryStackLimit(); 991 } 992 } 993 994 /** 995 * Returns the name of the inventory. 996 */ 997 public String getInvName() 998 { 999 return "container.minecart"; 1000 } 1001 1002 /** 1003 * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. *Isn't 1004 * this more of a set than a get?* 1005 */ 1006 public int getInventoryStackLimit() 1007 { 1008 return 64; 1009 } 1010 1011 /** 1012 * Called when an the contents of an Inventory change, usually 1013 */ 1014 public void onInventoryChanged() {} 1015 1016 /** 1017 * Called when a player interacts with a mob. e.g. gets milk from a cow, gets into the saddle on a pig. 1018 */ 1019 public boolean interact(EntityPlayer par1EntityPlayer) 1020 { 1021 if (MinecraftForge.EVENT_BUS.post(new MinecartInteractEvent(this, par1EntityPlayer))) 1022 { 1023 return true; 1024 } 1025 1026 if (canBeRidden()) 1027 { 1028 if (this.riddenByEntity != null && this.riddenByEntity instanceof EntityPlayer && this.riddenByEntity != par1EntityPlayer) 1029 { 1030 return true; 1031 } 1032 1033 if (!this.worldObj.isRemote) 1034 { 1035 par1EntityPlayer.mountEntity(this); 1036 } 1037 } 1038 else if (getSizeInventory() > 0) 1039 { 1040 if (!this.worldObj.isRemote) 1041 { 1042 par1EntityPlayer.displayGUIChest(this); 1043 } 1044 } 1045 else if (this.minecartType == 2 && getClass() == EntityMinecart.class) 1046 { 1047 ItemStack var2 = par1EntityPlayer.inventory.getCurrentItem(); 1048 1049 if (var2 != null && var2.itemID == Item.coal.shiftedIndex) 1050 { 1051 if (--var2.stackSize == 0) 1052 { 1053 par1EntityPlayer.inventory.setInventorySlotContents(par1EntityPlayer.inventory.currentItem, (ItemStack)null); 1054 } 1055 1056 this.fuel += 3600; 1057 } 1058 1059 this.pushX = this.posX - par1EntityPlayer.posX; 1060 this.pushZ = this.posZ - par1EntityPlayer.posZ; 1061 } 1062 1063 return true; 1064 } 1065 1066 @SideOnly(Side.CLIENT) 1067 1068 /** 1069 * Sets the position and rotation. Only difference from the other one is no bounding on the rotation. Args: posX, 1070 * posY, posZ, yaw, pitch 1071 */ 1072 public void setPositionAndRotation2(double par1, double par3, double par5, float par7, float par8, int par9) 1073 { 1074 this.minecartX = par1; 1075 this.minecartY = par3; 1076 this.minecartZ = par5; 1077 this.minecartYaw = (double)par7; 1078 this.minecartPitch = (double)par8; 1079 this.turnProgress = par9 + 2; 1080 this.motionX = this.velocityX; 1081 this.motionY = this.velocityY; 1082 this.motionZ = this.velocityZ; 1083 } 1084 1085 @SideOnly(Side.CLIENT) 1086 1087 /** 1088 * Sets the velocity to the args. Args: x, y, z 1089 */ 1090 public void setVelocity(double par1, double par3, double par5) 1091 { 1092 this.velocityX = this.motionX = par1; 1093 this.velocityY = this.motionY = par3; 1094 this.velocityZ = this.motionZ = par5; 1095 } 1096 1097 /** 1098 * Do not make give this method the name canInteractWith because it clashes with Container 1099 */ 1100 public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer) 1101 { 1102 return this.isDead ? false : par1EntityPlayer.getDistanceSqToEntity(this) <= 64.0D; 1103 } 1104 1105 /** 1106 * Is this minecart powered (Fuel > 0) 1107 */ 1108 public boolean isMinecartPowered() 1109 { 1110 return (this.dataWatcher.getWatchableObjectByte(16) & 1) != 0; 1111 } 1112 1113 /** 1114 * Set if this minecart is powered (Fuel > 0) 1115 */ 1116 protected void setMinecartPowered(boolean par1) 1117 { 1118 if (par1) 1119 { 1120 this.dataWatcher.updateObject(16, Byte.valueOf((byte)(this.dataWatcher.getWatchableObjectByte(16) | 1))); 1121 } 1122 else 1123 { 1124 this.dataWatcher.updateObject(16, Byte.valueOf((byte)(this.dataWatcher.getWatchableObjectByte(16) & -2))); 1125 } 1126 } 1127 1128 public void openChest() {} 1129 1130 public void closeChest() {} 1131 1132 /** 1133 * Sets the current amount of damage the minecart has taken. Decreases over time. The cart breaks when this is over 1134 * 40. 1135 */ 1136 public void setDamage(int par1) 1137 { 1138 this.dataWatcher.updateObject(19, Integer.valueOf(par1)); 1139 } 1140 1141 /** 1142 * Gets the current amount of damage the minecart has taken. Decreases over time. The cart breaks when this is over 1143 * 40. 1144 */ 1145 public int getDamage() 1146 { 1147 return this.dataWatcher.getWatchableObjectInt(19); 1148 } 1149 1150 public void func_70497_h(int par1) 1151 { 1152 this.dataWatcher.updateObject(17, Integer.valueOf(par1)); 1153 } 1154 1155 public int func_70496_j() 1156 { 1157 return this.dataWatcher.getWatchableObjectInt(17); 1158 } 1159 1160 public void func_70494_i(int par1) 1161 { 1162 this.dataWatcher.updateObject(18, Integer.valueOf(par1)); 1163 } 1164 1165 public int func_70493_k() 1166 { 1167 return this.dataWatcher.getWatchableObjectInt(18); 1168 } 1169 1170 /** 1171 * Drops the cart as a item. The exact item dropped is defined by getItemDropped(). 1172 */ 1173 public void dropCartAsItem() 1174 { 1175 for(ItemStack item : getItemsDropped()) 1176 { 1177 entityDropItem(item, 0); 1178 } 1179 } 1180 1181 /** 1182 * Override this to define which items your cart drops when broken. 1183 * This does not include items contained in the inventory, 1184 * that is handled elsewhere. 1185 * @return A list of items dropped. 1186 */ 1187 public List<ItemStack> getItemsDropped() 1188 { 1189 List<ItemStack> items = new ArrayList<ItemStack>(); 1190 items.add(new ItemStack(Item.minecartEmpty)); 1191 1192 switch(minecartType) 1193 { 1194 case 1: 1195 items.add(new ItemStack(Block.chest)); 1196 break; 1197 case 2: 1198 items.add(new ItemStack(Block.stoneOvenIdle)); 1199 break; 1200 } 1201 return items; 1202 } 1203 1204 /** 1205 * This function returns an ItemStack that represents this cart. 1206 * This should be an ItemStack that can be used by the player to place the cart. 1207 * This is the item that was registered with the cart via the registerMinecart function, 1208 * but is not necessary the item the cart drops when destroyed. 1209 * @return An ItemStack that can be used to place the cart. 1210 */ 1211 public ItemStack getCartItem() 1212 { 1213 return MinecartRegistry.getItemForCart(this); 1214 } 1215 1216 /** 1217 * Returns true if this cart is self propelled. 1218 * @return True if powered. 1219 */ 1220 public boolean isPoweredCart() 1221 { 1222 return minecartType == 2 && getClass() == EntityMinecart.class; 1223 } 1224 1225 /** 1226 * Returns true if this cart is a storage cart 1227 * Some carts may have inventories but not be storage carts 1228 * and some carts without inventories may be storage carts. 1229 * @return True if this cart should be classified as a storage cart. 1230 */ 1231 public boolean isStorageCart() 1232 { 1233 return minecartType == 1 && getClass() == EntityMinecart.class; 1234 } 1235 1236 /** 1237 * Returns true if this cart can be ridden by an Entity. 1238 * @return True if this cart can be ridden. 1239 */ 1240 public boolean canBeRidden() 1241 { 1242 if(minecartType == 0 && getClass() == EntityMinecart.class) 1243 { 1244 return true; 1245 } 1246 return false; 1247 } 1248 1249 /** 1250 * Returns true if this cart can currently use rails. 1251 * This function is mainly used to gracefully detach a minecart from a rail. 1252 * @return True if the minecart can use rails. 1253 */ 1254 public boolean canUseRail() 1255 { 1256 return canUseRail; 1257 } 1258 1259 /** 1260 * Set whether the minecart can use rails. 1261 * This function is mainly used to gracefully detach a minecart from a rail. 1262 * @param use Whether the minecart can currently use rails. 1263 */ 1264 public void setCanUseRail(boolean use) 1265 { 1266 canUseRail = use; 1267 } 1268 1269 /** 1270 * Return false if this cart should not call IRail.onMinecartPass() and should ignore Powered Rails. 1271 * @return True if this cart should call IRail.onMinecartPass(). 1272 */ 1273 public boolean shouldDoRailFunctions() 1274 { 1275 return true; 1276 } 1277 1278 /** 1279 * Simply returns the minecartType variable. 1280 * @return minecartType 1281 */ 1282 public int getMinecartType() 1283 { 1284 return minecartType; 1285 } 1286 1287 /** 1288 * Gets the current global Minecart Collision handler if none 1289 * is registered, returns null 1290 * @return The collision handler or null 1291 */ 1292 public static IMinecartCollisionHandler getCollisionHandler() 1293 { 1294 return collisionHandler; 1295 } 1296 1297 /** 1298 * Sets the global Minecart Collision handler, overwrites any 1299 * that is currently set. 1300 * @param handler The new handler 1301 */ 1302 public static void setCollisionHandler(IMinecartCollisionHandler handler) 1303 { 1304 collisionHandler = handler; 1305 } 1306 1307 /** 1308 * Carts should return their drag factor here 1309 * @return The drag rate. 1310 */ 1311 protected double getDrag() 1312 { 1313 return riddenByEntity != null ? defaultDragRidden : defaultDragEmpty; 1314 } 1315 1316 /** 1317 * Moved to allow overrides. 1318 * This code applies drag and updates push forces. 1319 */ 1320 protected void applyDragAndPushForces() 1321 { 1322 if(isPoweredCart()) 1323 { 1324 double d27 = MathHelper.sqrt_double(pushX * pushX + pushZ * pushZ); 1325 if(d27 > 0.01D) 1326 { 1327 pushX /= d27; 1328 pushZ /= d27; 1329 double d29 = 0.04; 1330 motionX *= 0.8D; 1331 motionY *= 0.0D; 1332 motionZ *= 0.8D; 1333 motionX += pushX * d29; 1334 motionZ += pushZ * d29; 1335 } 1336 else 1337 { 1338 motionX *= 0.9D; 1339 motionY *= 0.0D; 1340 motionZ *= 0.9D; 1341 } 1342 } 1343 motionX *= getDrag(); 1344 motionY *= 0.0D; 1345 motionZ *= getDrag(); 1346 } 1347 1348 /** 1349 * Moved to allow overrides. 1350 * This code updates push forces. 1351 */ 1352 protected void updatePushForces() 1353 { 1354 if(isPoweredCart()) 1355 { 1356 double push = MathHelper.sqrt_double(pushX * pushX + pushZ * pushZ); 1357 if(push > 0.01D && motionX * motionX + motionZ * motionZ > 0.001D) 1358 { 1359 pushX /= push; 1360 pushZ /= push; 1361 if(pushX * motionX + pushZ * motionZ < 0.0D) 1362 { 1363 pushX = 0.0D; 1364 pushZ = 0.0D; 1365 } 1366 else 1367 { 1368 pushX = motionX; 1369 pushZ = motionZ; 1370 } 1371 } 1372 } 1373 } 1374 1375 /** 1376 * Moved to allow overrides. 1377 * This code handles minecart movement and speed capping when on a rail. 1378 */ 1379 protected void moveMinecartOnRail(int i, int j, int k) 1380 { 1381 int id = worldObj.getBlockId(i, j, k); 1382 if (!BlockRail.isRailBlock(id)) 1383 { 1384 return; 1385 } 1386 float railMaxSpeed = ((BlockRail)Block.blocksList[id]).getRailMaxSpeed(worldObj, this, i, j, k); 1387 1388 double maxSpeed = Math.min(railMaxSpeed, getMaxSpeedRail()); 1389 double mX = motionX; 1390 double mZ = motionZ; 1391 if(riddenByEntity != null) 1392 { 1393 mX *= 0.75D; 1394 mZ *= 0.75D; 1395 } 1396 if(mX < -maxSpeed) mX = -maxSpeed; 1397 if(mX > maxSpeed) mX = maxSpeed; 1398 if(mZ < -maxSpeed) mZ = -maxSpeed; 1399 if(mZ > maxSpeed) mZ = maxSpeed; 1400 moveEntity(mX, 0.0D, mZ); 1401 } 1402 1403 /** 1404 * Moved to allow overrides. 1405 * This code handles minecart movement and speed capping when not on a rail. 1406 */ 1407 protected void moveMinecartOffRail(int i, int j, int k) 1408 { 1409 double d2 = getMaxSpeedGround(); 1410 if(!onGround) 1411 { 1412 d2 = getMaxSpeedAirLateral(); 1413 } 1414 if(motionX < -d2) motionX = -d2; 1415 if(motionX > d2) motionX = d2; 1416 if(motionZ < -d2) motionZ = -d2; 1417 if(motionZ > d2) motionZ = d2; 1418 double moveY = motionY; 1419 if(getMaxSpeedAirVertical() > 0 && motionY > getMaxSpeedAirVertical()) 1420 { 1421 moveY = getMaxSpeedAirVertical(); 1422 if(Math.abs(motionX) < 0.3f && Math.abs(motionZ) < 0.3f) 1423 { 1424 moveY = 0.15f; 1425 motionY = moveY; 1426 } 1427 } 1428 if(onGround) 1429 { 1430 motionX *= 0.5D; 1431 motionY *= 0.5D; 1432 motionZ *= 0.5D; 1433 } 1434 moveEntity(motionX, moveY, motionZ); 1435 if(!onGround) 1436 { 1437 motionX *= getDragAir(); 1438 motionY *= getDragAir(); 1439 motionZ *= getDragAir(); 1440 } 1441 } 1442 1443 /** 1444 * Moved to allow overrides. 1445 * This code applies fuel consumption. 1446 */ 1447 protected void updateFuel() 1448 { 1449 if (fuel > 0) fuel--; 1450 if (fuel <= 0) pushX = pushZ = 0.0D; 1451 setMinecartPowered(fuel > 0); 1452 } 1453 1454 /** 1455 * Moved to allow overrides, This code handle slopes affecting velocity. 1456 * @param metadata The blocks position metadata 1457 */ 1458 protected void adjustSlopeVelocities(int metadata) 1459 { 1460 double acceleration = 0.0078125D; 1461 if (metadata == 2) 1462 { 1463 motionX -= acceleration; 1464 } 1465 else if (metadata == 3) 1466 { 1467 motionX += acceleration; 1468 } 1469 else if (metadata == 4) 1470 { 1471 motionZ += acceleration; 1472 } 1473 else if (metadata == 5) 1474 { 1475 motionZ -= acceleration; 1476 } 1477 } 1478 1479 /** 1480 * Getters/setters for physics variables 1481 */ 1482 1483 /** 1484 * Returns the carts max speed. 1485 * Carts going faster than 1.1 cause issues with chunk loading. 1486 * Carts cant traverse slopes or corners at greater than 0.5 - 0.6. 1487 * This value is compared with the rails max speed to determine 1488 * the carts current max speed. A normal rails max speed is 0.4. 1489 * @return Carts max speed. 1490 */ 1491 public float getMaxSpeedRail() 1492 { 1493 return maxSpeedRail; 1494 } 1495 1496 public void setMaxSpeedRail(float value) 1497 { 1498 maxSpeedRail = value; 1499 } 1500 1501 public float getMaxSpeedGround() 1502 { 1503 return maxSpeedGround; 1504 } 1505 1506 public void setMaxSpeedGround(float value) 1507 { 1508 maxSpeedGround = value; 1509 } 1510 1511 public float getMaxSpeedAirLateral() 1512 { 1513 return maxSpeedAirLateral; 1514 } 1515 1516 public void setMaxSpeedAirLateral(float value) 1517 { 1518 maxSpeedAirLateral = value; 1519 } 1520 1521 public float getMaxSpeedAirVertical() 1522 { 1523 return maxSpeedAirVertical; 1524 } 1525 1526 public void setMaxSpeedAirVertical(float value) 1527 { 1528 maxSpeedAirVertical = value; 1529 } 1530 1531 public double getDragAir() 1532 { 1533 return dragAir; 1534 } 1535 1536 public void setDragAir(double value) 1537 { 1538 dragAir = value; 1539 } 1540 }