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.Random; 006 007 public class BlockPortal extends BlockBreakable 008 { 009 public BlockPortal(int par1, int par2) 010 { 011 super(par1, par2, Material.portal, false); 012 this.setTickRandomly(true); 013 } 014 015 /** 016 * Ticks the block if it's been scheduled 017 */ 018 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random) 019 { 020 super.updateTick(par1World, par2, par3, par4, par5Random); 021 022 if (par1World.provider.isSurfaceWorld() && par5Random.nextInt(2000) < par1World.difficultySetting) 023 { 024 int var6; 025 026 for (var6 = par3; !par1World.doesBlockHaveSolidTopSurface(par2, var6, par4) && var6 > 0; --var6) 027 { 028 ; 029 } 030 031 if (var6 > 0 && !par1World.isBlockNormalCube(par2, var6 + 1, par4)) 032 { 033 Entity var7 = ItemMonsterPlacer.spawnCreature(par1World, 57, (double)par2 + 0.5D, (double)var6 + 1.1D, (double)par4 + 0.5D); 034 035 if (var7 != null) 036 { 037 var7.timeUntilPortal = var7.getPortalCooldown(); 038 } 039 } 040 } 041 } 042 043 /** 044 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been 045 * cleared to be reused) 046 */ 047 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4) 048 { 049 return null; 050 } 051 052 /** 053 * Updates the blocks bounds based on its current state. Args: world, x, y, z 054 */ 055 public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4) 056 { 057 float var5; 058 float var6; 059 060 if (par1IBlockAccess.getBlockId(par2 - 1, par3, par4) != this.blockID && par1IBlockAccess.getBlockId(par2 + 1, par3, par4) != this.blockID) 061 { 062 var5 = 0.125F; 063 var6 = 0.5F; 064 this.setBlockBounds(0.5F - var5, 0.0F, 0.5F - var6, 0.5F + var5, 1.0F, 0.5F + var6); 065 } 066 else 067 { 068 var5 = 0.5F; 069 var6 = 0.125F; 070 this.setBlockBounds(0.5F - var5, 0.0F, 0.5F - var6, 0.5F + var5, 1.0F, 0.5F + var6); 071 } 072 } 073 074 /** 075 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two 076 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block. 077 */ 078 public boolean isOpaqueCube() 079 { 080 return false; 081 } 082 083 /** 084 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc) 085 */ 086 public boolean renderAsNormalBlock() 087 { 088 return false; 089 } 090 091 /** 092 * Checks to see if this location is valid to create a portal and will return True if it does. Args: world, x, y, z 093 */ 094 public boolean tryToCreatePortal(World par1World, int par2, int par3, int par4) 095 { 096 byte var5 = 0; 097 byte var6 = 0; 098 099 if (par1World.getBlockId(par2 - 1, par3, par4) == Block.obsidian.blockID || par1World.getBlockId(par2 + 1, par3, par4) == Block.obsidian.blockID) 100 { 101 var5 = 1; 102 } 103 104 if (par1World.getBlockId(par2, par3, par4 - 1) == Block.obsidian.blockID || par1World.getBlockId(par2, par3, par4 + 1) == Block.obsidian.blockID) 105 { 106 var6 = 1; 107 } 108 109 if (var5 == var6) 110 { 111 return false; 112 } 113 else 114 { 115 if (par1World.getBlockId(par2 - var5, par3, par4 - var6) == 0) 116 { 117 par2 -= var5; 118 par4 -= var6; 119 } 120 121 int var7; 122 int var8; 123 124 for (var7 = -1; var7 <= 2; ++var7) 125 { 126 for (var8 = -1; var8 <= 3; ++var8) 127 { 128 boolean var9 = var7 == -1 || var7 == 2 || var8 == -1 || var8 == 3; 129 130 if (var7 != -1 && var7 != 2 || var8 != -1 && var8 != 3) 131 { 132 int var10 = par1World.getBlockId(par2 + var5 * var7, par3 + var8, par4 + var6 * var7); 133 134 if (var9) 135 { 136 if (var10 != Block.obsidian.blockID) 137 { 138 return false; 139 } 140 } 141 else if (var10 != 0 && var10 != Block.fire.blockID) 142 { 143 return false; 144 } 145 } 146 } 147 } 148 149 par1World.editingBlocks = true; 150 151 for (var7 = 0; var7 < 2; ++var7) 152 { 153 for (var8 = 0; var8 < 3; ++var8) 154 { 155 par1World.setBlockWithNotify(par2 + var5 * var7, par3 + var8, par4 + var6 * var7, Block.portal.blockID); 156 } 157 } 158 159 par1World.editingBlocks = false; 160 return true; 161 } 162 } 163 164 /** 165 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are 166 * their own) Args: x, y, z, neighbor blockID 167 */ 168 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5) 169 { 170 byte var6 = 0; 171 byte var7 = 1; 172 173 if (par1World.getBlockId(par2 - 1, par3, par4) == this.blockID || par1World.getBlockId(par2 + 1, par3, par4) == this.blockID) 174 { 175 var6 = 1; 176 var7 = 0; 177 } 178 179 int var8; 180 181 for (var8 = par3; par1World.getBlockId(par2, var8 - 1, par4) == this.blockID; --var8) 182 { 183 ; 184 } 185 186 if (par1World.getBlockId(par2, var8 - 1, par4) != Block.obsidian.blockID) 187 { 188 par1World.setBlockWithNotify(par2, par3, par4, 0); 189 } 190 else 191 { 192 int var9; 193 194 for (var9 = 1; var9 < 4 && par1World.getBlockId(par2, var8 + var9, par4) == this.blockID; ++var9) 195 { 196 ; 197 } 198 199 if (var9 == 3 && par1World.getBlockId(par2, var8 + var9, par4) == Block.obsidian.blockID) 200 { 201 boolean var10 = par1World.getBlockId(par2 - 1, par3, par4) == this.blockID || par1World.getBlockId(par2 + 1, par3, par4) == this.blockID; 202 boolean var11 = par1World.getBlockId(par2, par3, par4 - 1) == this.blockID || par1World.getBlockId(par2, par3, par4 + 1) == this.blockID; 203 204 if (var10 && var11) 205 { 206 par1World.setBlockWithNotify(par2, par3, par4, 0); 207 } 208 else 209 { 210 if ((par1World.getBlockId(par2 + var6, par3, par4 + var7) != Block.obsidian.blockID || par1World.getBlockId(par2 - var6, par3, par4 - var7) != this.blockID) && (par1World.getBlockId(par2 - var6, par3, par4 - var7) != Block.obsidian.blockID || par1World.getBlockId(par2 + var6, par3, par4 + var7) != this.blockID)) 211 { 212 par1World.setBlockWithNotify(par2, par3, par4, 0); 213 } 214 } 215 } 216 else 217 { 218 par1World.setBlockWithNotify(par2, par3, par4, 0); 219 } 220 } 221 } 222 223 @SideOnly(Side.CLIENT) 224 225 /** 226 * Returns true if the given side of this block type should be rendered, if the adjacent block is at the given 227 * coordinates. Args: blockAccess, x, y, z, side 228 */ 229 public boolean shouldSideBeRendered(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5) 230 { 231 if (par1IBlockAccess.getBlockId(par2, par3, par4) == this.blockID) 232 { 233 return false; 234 } 235 else 236 { 237 boolean var6 = par1IBlockAccess.getBlockId(par2 - 1, par3, par4) == this.blockID && par1IBlockAccess.getBlockId(par2 - 2, par3, par4) != this.blockID; 238 boolean var7 = par1IBlockAccess.getBlockId(par2 + 1, par3, par4) == this.blockID && par1IBlockAccess.getBlockId(par2 + 2, par3, par4) != this.blockID; 239 boolean var8 = par1IBlockAccess.getBlockId(par2, par3, par4 - 1) == this.blockID && par1IBlockAccess.getBlockId(par2, par3, par4 - 2) != this.blockID; 240 boolean var9 = par1IBlockAccess.getBlockId(par2, par3, par4 + 1) == this.blockID && par1IBlockAccess.getBlockId(par2, par3, par4 + 2) != this.blockID; 241 boolean var10 = var6 || var7; 242 boolean var11 = var8 || var9; 243 return var10 && par5 == 4 ? true : (var10 && par5 == 5 ? true : (var11 && par5 == 2 ? true : var11 && par5 == 3)); 244 } 245 } 246 247 /** 248 * Returns the quantity of items to drop on block destruction. 249 */ 250 public int quantityDropped(Random par1Random) 251 { 252 return 0; 253 } 254 255 /** 256 * Triggered whenever an entity collides with this block (enters into the block). Args: world, x, y, z, entity 257 */ 258 public void onEntityCollidedWithBlock(World par1World, int par2, int par3, int par4, Entity par5Entity) 259 { 260 if (par5Entity.ridingEntity == null && par5Entity.riddenByEntity == null) 261 { 262 par5Entity.setInPortal(); 263 } 264 } 265 266 @SideOnly(Side.CLIENT) 267 268 /** 269 * Returns which pass should this block be rendered on. 0 for solids and 1 for alpha 270 */ 271 public int getRenderBlockPass() 272 { 273 return 1; 274 } 275 276 @SideOnly(Side.CLIENT) 277 278 /** 279 * A randomly called display update to be able to add particles or other items for display 280 */ 281 public void randomDisplayTick(World par1World, int par2, int par3, int par4, Random par5Random) 282 { 283 if (par5Random.nextInt(100) == 0) 284 { 285 par1World.playSound((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "portal.portal", 0.5F, par5Random.nextFloat() * 0.4F + 0.8F); 286 } 287 288 for (int var6 = 0; var6 < 4; ++var6) 289 { 290 double var7 = (double)((float)par2 + par5Random.nextFloat()); 291 double var9 = (double)((float)par3 + par5Random.nextFloat()); 292 double var11 = (double)((float)par4 + par5Random.nextFloat()); 293 double var13 = 0.0D; 294 double var15 = 0.0D; 295 double var17 = 0.0D; 296 int var19 = par5Random.nextInt(2) * 2 - 1; 297 var13 = ((double)par5Random.nextFloat() - 0.5D) * 0.5D; 298 var15 = ((double)par5Random.nextFloat() - 0.5D) * 0.5D; 299 var17 = ((double)par5Random.nextFloat() - 0.5D) * 0.5D; 300 301 if (par1World.getBlockId(par2 - 1, par3, par4) != this.blockID && par1World.getBlockId(par2 + 1, par3, par4) != this.blockID) 302 { 303 var7 = (double)par2 + 0.5D + 0.25D * (double)var19; 304 var13 = (double)(par5Random.nextFloat() * 2.0F * (float)var19); 305 } 306 else 307 { 308 var11 = (double)par4 + 0.5D + 0.25D * (double)var19; 309 var17 = (double)(par5Random.nextFloat() * 2.0F * (float)var19); 310 } 311 312 par1World.spawnParticle("portal", var7, var9, var11, var13, var15, var17); 313 } 314 } 315 316 @SideOnly(Side.CLIENT) 317 318 /** 319 * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative) 320 */ 321 public int idPicked(World par1World, int par2, int par3, int par4) 322 { 323 return 0; 324 } 325 }