001 package net.minecraft.src; 002 003 import cpw.mods.fml.common.Side; 004 import cpw.mods.fml.common.asm.SideOnly; 005 import java.util.HashSet; 006 import java.util.Iterator; 007 import java.util.Random; 008 import java.util.Set; 009 import net.minecraft.client.Minecraft; 010 011 @SideOnly(Side.CLIENT) 012 public class WorldClient extends World 013 { 014 /** The packets that need to be sent to the server. */ 015 private NetClientHandler sendQueue; 016 017 /** The ChunkProviderClient instance */ 018 private ChunkProviderClient clientChunkProvider; 019 020 /** 021 * The hash set of entities handled by this client. Uses the entity's ID as the hash set's key. 022 */ 023 private IntHashMap entityHashSet = new IntHashMap(); 024 025 /** Contains all entities for this client, both spawned and non-spawned. */ 026 private Set entityList = new HashSet(); 027 028 /** 029 * Contains all entities for this client that were not spawned due to a non-present chunk. The game will attempt to 030 * spawn up to 10 pending entities with each subsequent tick until the spawn queue is empty. 031 */ 032 private Set entitySpawnQueue = new HashSet(); 033 private final Minecraft mc = Minecraft.getMinecraft(); 034 private final Set previousActiveChunkSet = new HashSet(); 035 036 public WorldClient(NetClientHandler par1NetClientHandler, WorldSettings par2WorldSettings, int par3, int par4, Profiler par5Profiler) 037 { 038 super(new SaveHandlerMP(), "MpServer", WorldProvider.getProviderForDimension(par3), par2WorldSettings, par5Profiler); 039 this.sendQueue = par1NetClientHandler; 040 this.difficultySetting = par4; 041 this.setSpawnLocation(8, 64, 8); 042 this.mapStorage = par1NetClientHandler.mapStorage; 043 } 044 045 /** 046 * Runs a single tick for the world 047 */ 048 public void tick() 049 { 050 super.tick(); 051 this.setWorldTime(this.getWorldTime() + 1L); 052 this.theProfiler.startSection("reEntryProcessing"); 053 054 for (int var1 = 0; var1 < 10 && !this.entitySpawnQueue.isEmpty(); ++var1) 055 { 056 Entity var2 = (Entity)this.entitySpawnQueue.iterator().next(); 057 this.entitySpawnQueue.remove(var2); 058 059 if (!this.loadedEntityList.contains(var2)) 060 { 061 this.spawnEntityInWorld(var2); 062 } 063 } 064 065 this.theProfiler.endStartSection("connection"); 066 this.sendQueue.processReadPackets(); 067 this.theProfiler.endStartSection("chunkCache"); 068 this.clientChunkProvider.unload100OldestChunks(); 069 this.theProfiler.endStartSection("tiles"); 070 this.tickBlocksAndAmbiance(); 071 this.theProfiler.endSection(); 072 } 073 074 /** 075 * Invalidates an AABB region of blocks from the receive queue, in the event that the block has been modified 076 * client-side in the intervening 80 receive ticks. 077 */ 078 public void invalidateBlockReceiveRegion(int par1, int par2, int par3, int par4, int par5, int par6) {} 079 080 /** 081 * Creates the chunk provider for this world. Called in the constructor. Retrieves provider from worldProvider? 082 */ 083 protected IChunkProvider createChunkProvider() 084 { 085 this.clientChunkProvider = new ChunkProviderClient(this); 086 return this.clientChunkProvider; 087 } 088 089 /** 090 * plays random cave ambient sounds and runs updateTick on random blocks within each chunk in the vacinity of a 091 * player 092 */ 093 protected void tickBlocksAndAmbiance() 094 { 095 super.tickBlocksAndAmbiance(); 096 this.previousActiveChunkSet.retainAll(this.activeChunkSet); 097 098 if (this.previousActiveChunkSet.size() == this.activeChunkSet.size()) 099 { 100 this.previousActiveChunkSet.clear(); 101 } 102 103 int var1 = 0; 104 Iterator var2 = this.activeChunkSet.iterator(); 105 106 while (var2.hasNext()) 107 { 108 ChunkCoordIntPair var3 = (ChunkCoordIntPair)var2.next(); 109 110 if (!this.previousActiveChunkSet.contains(var3)) 111 { 112 int var4 = var3.chunkXPos * 16; 113 int var5 = var3.chunkZPos * 16; 114 this.theProfiler.startSection("getChunk"); 115 Chunk var6 = this.getChunkFromChunkCoords(var3.chunkXPos, var3.chunkZPos); 116 this.moodSoundAndLightCheck(var4, var5, var6); 117 this.theProfiler.endSection(); 118 this.previousActiveChunkSet.add(var3); 119 ++var1; 120 121 if (var1 >= 10) 122 { 123 return; 124 } 125 } 126 } 127 } 128 129 public void doPreChunk(int par1, int par2, boolean par3) 130 { 131 if (par3) 132 { 133 this.clientChunkProvider.loadChunk(par1, par2); 134 } 135 else 136 { 137 this.clientChunkProvider.unloadChunk(par1, par2); 138 } 139 140 if (!par3) 141 { 142 this.markBlocksDirty(par1 * 16, 0, par2 * 16, par1 * 16 + 15, 256, par2 * 16 + 15); 143 } 144 } 145 146 /** 147 * Called to place all entities as part of a world 148 */ 149 public boolean spawnEntityInWorld(Entity par1Entity) 150 { 151 boolean var2 = super.spawnEntityInWorld(par1Entity); 152 this.entityList.add(par1Entity); 153 154 if (!var2) 155 { 156 this.entitySpawnQueue.add(par1Entity); 157 } 158 159 return var2; 160 } 161 162 /** 163 * Dismounts the entity (and anything riding the entity), sets the dead flag, and removes the player entity from the 164 * player entity list. Called by the playerLoggedOut function. 165 */ 166 public void setEntityDead(Entity par1Entity) 167 { 168 super.setEntityDead(par1Entity); 169 this.entityList.remove(par1Entity); 170 } 171 172 /** 173 * Start the skin for this entity downloading, if necessary, and increment its reference counter 174 */ 175 protected void obtainEntitySkin(Entity par1Entity) 176 { 177 super.obtainEntitySkin(par1Entity); 178 179 if (this.entitySpawnQueue.contains(par1Entity)) 180 { 181 this.entitySpawnQueue.remove(par1Entity); 182 } 183 } 184 185 /** 186 * Decrement the reference counter for this entity's skin image data 187 */ 188 protected void releaseEntitySkin(Entity par1Entity) 189 { 190 super.releaseEntitySkin(par1Entity); 191 192 if (this.entityList.contains(par1Entity)) 193 { 194 if (par1Entity.isEntityAlive()) 195 { 196 this.entitySpawnQueue.add(par1Entity); 197 } 198 else 199 { 200 this.entityList.remove(par1Entity); 201 } 202 } 203 } 204 205 /** 206 * Add an ID to Entity mapping to entityHashSet 207 */ 208 public void addEntityToWorld(int par1, Entity par2Entity) 209 { 210 Entity var3 = this.getEntityByID(par1); 211 212 if (var3 != null) 213 { 214 this.setEntityDead(var3); 215 } 216 217 this.entityList.add(par2Entity); 218 par2Entity.entityId = par1; 219 220 if (!this.spawnEntityInWorld(par2Entity)) 221 { 222 this.entitySpawnQueue.add(par2Entity); 223 } 224 225 this.entityHashSet.addKey(par1, par2Entity); 226 } 227 228 /** 229 * Lookup and return an Entity based on its ID 230 */ 231 public Entity getEntityByID(int par1) 232 { 233 return (Entity)this.entityHashSet.lookup(par1); 234 } 235 236 public Entity removeEntityFromWorld(int par1) 237 { 238 Entity var2 = (Entity)this.entityHashSet.removeObject(par1); 239 240 if (var2 != null) 241 { 242 this.entityList.remove(var2); 243 this.setEntityDead(var2); 244 } 245 246 return var2; 247 } 248 249 public boolean setBlockAndMetadataAndInvalidate(int par1, int par2, int par3, int par4, int par5) 250 { 251 this.invalidateBlockReceiveRegion(par1, par2, par3, par1, par2, par3); 252 return super.setBlockAndMetadataWithNotify(par1, par2, par3, par4, par5); 253 } 254 255 /** 256 * If on MP, sends a quitting packet. 257 */ 258 public void sendQuittingDisconnectingPacket() 259 { 260 this.sendQueue.quitWithPacket(new Packet255KickDisconnect("Quitting")); 261 } 262 263 /** 264 * Updates all weather states. 265 */ 266 protected void updateWeather() 267 { 268 if (!this.provider.hasNoSky) 269 { 270 if (this.lastLightningBolt > 0) 271 { 272 --this.lastLightningBolt; 273 } 274 275 this.prevRainingStrength = this.rainingStrength; 276 277 if (this.worldInfo.isRaining()) 278 { 279 this.rainingStrength = (float)((double)this.rainingStrength + 0.01D); 280 } 281 else 282 { 283 this.rainingStrength = (float)((double)this.rainingStrength - 0.01D); 284 } 285 286 if (this.rainingStrength < 0.0F) 287 { 288 this.rainingStrength = 0.0F; 289 } 290 291 if (this.rainingStrength > 1.0F) 292 { 293 this.rainingStrength = 1.0F; 294 } 295 296 this.prevThunderingStrength = this.thunderingStrength; 297 298 if (this.worldInfo.isThundering()) 299 { 300 this.thunderingStrength = (float)((double)this.thunderingStrength + 0.01D); 301 } 302 else 303 { 304 this.thunderingStrength = (float)((double)this.thunderingStrength - 0.01D); 305 } 306 307 if (this.thunderingStrength < 0.0F) 308 { 309 this.thunderingStrength = 0.0F; 310 } 311 312 if (this.thunderingStrength > 1.0F) 313 { 314 this.thunderingStrength = 1.0F; 315 } 316 } 317 } 318 319 public void func_73029_E(int par1, int par2, int par3) 320 { 321 byte var4 = 16; 322 Random var5 = new Random(); 323 324 for (int var6 = 0; var6 < 1000; ++var6) 325 { 326 int var7 = par1 + this.rand.nextInt(var4) - this.rand.nextInt(var4); 327 int var8 = par2 + this.rand.nextInt(var4) - this.rand.nextInt(var4); 328 int var9 = par3 + this.rand.nextInt(var4) - this.rand.nextInt(var4); 329 int var10 = this.getBlockId(var7, var8, var9); 330 331 if (var10 == 0 && this.rand.nextInt(8) > var8 && this.provider.getWorldHasVoidParticles()) 332 { 333 this.spawnParticle("depthsuspend", (double)((float)var7 + this.rand.nextFloat()), (double)((float)var8 + this.rand.nextFloat()), (double)((float)var9 + this.rand.nextFloat()), 0.0D, 0.0D, 0.0D); 334 } 335 else if (var10 > 0) 336 { 337 Block.blocksList[var10].randomDisplayTick(this, var7, var8, var9, var5); 338 } 339 } 340 } 341 342 /** 343 * also releases skins. 344 */ 345 public void removeAllEntities() 346 { 347 this.loadedEntityList.removeAll(this.unloadedEntityList); 348 int var1; 349 Entity var2; 350 int var3; 351 int var4; 352 353 for (var1 = 0; var1 < this.unloadedEntityList.size(); ++var1) 354 { 355 var2 = (Entity)this.unloadedEntityList.get(var1); 356 var3 = var2.chunkCoordX; 357 var4 = var2.chunkCoordZ; 358 359 if (var2.addedToChunk && this.chunkExists(var3, var4)) 360 { 361 this.getChunkFromChunkCoords(var3, var4).removeEntity(var2); 362 } 363 } 364 365 for (var1 = 0; var1 < this.unloadedEntityList.size(); ++var1) 366 { 367 this.releaseEntitySkin((Entity)this.unloadedEntityList.get(var1)); 368 } 369 370 this.unloadedEntityList.clear(); 371 372 for (var1 = 0; var1 < this.loadedEntityList.size(); ++var1) 373 { 374 var2 = (Entity)this.loadedEntityList.get(var1); 375 376 if (var2.ridingEntity != null) 377 { 378 if (!var2.ridingEntity.isDead && var2.ridingEntity.riddenByEntity == var2) 379 { 380 continue; 381 } 382 383 var2.ridingEntity.riddenByEntity = null; 384 var2.ridingEntity = null; 385 } 386 387 if (var2.isDead) 388 { 389 var3 = var2.chunkCoordX; 390 var4 = var2.chunkCoordZ; 391 392 if (var2.addedToChunk && this.chunkExists(var3, var4)) 393 { 394 this.getChunkFromChunkCoords(var3, var4).removeEntity(var2); 395 } 396 397 this.loadedEntityList.remove(var1--); 398 this.releaseEntitySkin(var2); 399 } 400 } 401 } 402 403 /** 404 * Adds some basic stats of the world to the given crash report. 405 */ 406 public CrashReport addWorldInfoToCrashReport(CrashReport par1CrashReport) 407 { 408 par1CrashReport = super.addWorldInfoToCrashReport(par1CrashReport); 409 par1CrashReport.addCrashSectionCallable("Forced Entities", new CallableMPL1(this)); 410 par1CrashReport.addCrashSectionCallable("Retry Entities", new CallableMPL2(this)); 411 return par1CrashReport; 412 } 413 414 /** 415 * par8 is loudness, all pars passed to minecraftInstance.sndManager.playSound 416 */ 417 public void playSound(double par1, double par3, double par5, String par7Str, float par8, float par9) 418 { 419 float var10 = 16.0F; 420 421 if (par8 > 1.0F) 422 { 423 var10 *= par8; 424 } 425 426 if (this.mc.renderViewEntity.getDistanceSq(par1, par3, par5) < (double)(var10 * var10)) 427 { 428 this.mc.sndManager.playSound(par7Str, (float)par1, (float)par3, (float)par5, par8, par9); 429 } 430 } 431 432 static Set getEntityList(WorldClient par0WorldClient) 433 { 434 return par0WorldClient.entityList; 435 } 436 437 static Set getEntitySpawnQueue(WorldClient par0WorldClient) 438 { 439 return par0WorldClient.entitySpawnQueue; 440 } 441 }