001 package net.minecraft.src; 002 003 import java.util.List; 004 import java.util.Random; 005 006 import net.minecraftforge.common.ForgeDirection; 007 008 import static net.minecraftforge.common.ForgeDirection.*; 009 010 public class BlockButton extends Block 011 { 012 private final boolean field_82537_a; 013 014 protected BlockButton(int par1, int par2, boolean par3) 015 { 016 super(par1, par2, Material.circuits); 017 this.setTickRandomly(true); 018 this.setCreativeTab(CreativeTabs.tabRedstone); 019 this.field_82537_a = par3; 020 } 021 022 /** 023 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been 024 * cleared to be reused) 025 */ 026 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4) 027 { 028 return null; 029 } 030 031 /** 032 * How many world ticks before ticking 033 */ 034 public int tickRate() 035 { 036 return this.field_82537_a ? 30 : 20; 037 } 038 039 /** 040 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two 041 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block. 042 */ 043 public boolean isOpaqueCube() 044 { 045 return false; 046 } 047 048 /** 049 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc) 050 */ 051 public boolean renderAsNormalBlock() 052 { 053 return false; 054 } 055 056 /** 057 * checks to see if you can place this block can be placed on that side of a block: BlockLever overrides 058 */ 059 public boolean canPlaceBlockOnSide(World par1World, int par2, int par3, int par4, int par5) 060 { 061 ForgeDirection dir = ForgeDirection.getOrientation(par5); 062 return (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) || 063 (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) || 064 (dir == WEST && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) || 065 (dir == EAST && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)); 066 } 067 068 /** 069 * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z 070 */ 071 public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4) 072 { 073 return (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) || 074 (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) || 075 (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) || 076 (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)); 077 } 078 079 /** 080 * called before onBlockPlacedBy by ItemBlock and ItemReed 081 */ 082 public void updateBlockMetadata(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8) 083 { 084 int var9 = par1World.getBlockMetadata(par2, par3, par4); 085 int var10 = var9 & 8; 086 var9 &= 7; 087 088 ForgeDirection dir = ForgeDirection.getOrientation(par5); 089 090 if (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) 091 { 092 var9 = 4; 093 } 094 else if (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) 095 { 096 var9 = 3; 097 } 098 else if (dir == WEST && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) 099 { 100 var9 = 2; 101 } 102 else if (dir == EAST && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) 103 { 104 var9 = 1; 105 } 106 else 107 { 108 var9 = this.getOrientation(par1World, par2, par3, par4); 109 } 110 111 par1World.setBlockMetadataWithNotify(par2, par3, par4, var9 + var10); 112 } 113 114 /** 115 * Get side which this button is facing. 116 */ 117 private int getOrientation(World par1World, int par2, int par3, int par4) 118 { 119 if (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) return 1; 120 if (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) return 2; 121 if (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) return 3; 122 if (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) return 4; 123 return 1; 124 } 125 126 /** 127 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are 128 * their own) Args: x, y, z, neighbor blockID 129 */ 130 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5) 131 { 132 if (this.redundantCanPlaceBlockAt(par1World, par2, par3, par4)) 133 { 134 int var6 = par1World.getBlockMetadata(par2, par3, par4) & 7; 135 boolean var7 = false; 136 137 if (!par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST) && var6 == 1) 138 { 139 var7 = true; 140 } 141 142 if (!par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST) && var6 == 2) 143 { 144 var7 = true; 145 } 146 147 if (!par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH) && var6 == 3) 148 { 149 var7 = true; 150 } 151 152 if (!par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH) && var6 == 4) 153 { 154 var7 = true; 155 } 156 157 if (var7) 158 { 159 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0); 160 par1World.setBlockWithNotify(par2, par3, par4, 0); 161 } 162 } 163 } 164 165 /** 166 * This method is redundant, check it out... 167 */ 168 private boolean redundantCanPlaceBlockAt(World par1World, int par2, int par3, int par4) 169 { 170 if (!this.canPlaceBlockAt(par1World, par2, par3, par4)) 171 { 172 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0); 173 par1World.setBlockWithNotify(par2, par3, par4, 0); 174 return false; 175 } 176 else 177 { 178 return true; 179 } 180 } 181 182 /** 183 * Updates the blocks bounds based on its current state. Args: world, x, y, z 184 */ 185 public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4) 186 { 187 int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4); 188 this.func_82534_e(var5); 189 } 190 191 private void func_82534_e(int par1) 192 { 193 int var2 = par1 & 7; 194 boolean var3 = (par1 & 8) > 0; 195 float var4 = 0.375F; 196 float var5 = 0.625F; 197 float var6 = 0.1875F; 198 float var7 = 0.125F; 199 200 if (var3) 201 { 202 var7 = 0.0625F; 203 } 204 205 if (var2 == 1) 206 { 207 this.setBlockBounds(0.0F, var4, 0.5F - var6, var7, var5, 0.5F + var6); 208 } 209 else if (var2 == 2) 210 { 211 this.setBlockBounds(1.0F - var7, var4, 0.5F - var6, 1.0F, var5, 0.5F + var6); 212 } 213 else if (var2 == 3) 214 { 215 this.setBlockBounds(0.5F - var6, var4, 0.0F, 0.5F + var6, var5, var7); 216 } 217 else if (var2 == 4) 218 { 219 this.setBlockBounds(0.5F - var6, var4, 1.0F - var7, 0.5F + var6, var5, 1.0F); 220 } 221 } 222 223 /** 224 * Called when the block is clicked by a player. Args: x, y, z, entityPlayer 225 */ 226 public void onBlockClicked(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer) {} 227 228 /** 229 * Called upon block activation (right click on the block.) 230 */ 231 public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9) 232 { 233 int var10 = par1World.getBlockMetadata(par2, par3, par4); 234 int var11 = var10 & 7; 235 int var12 = 8 - (var10 & 8); 236 237 if (var12 == 0) 238 { 239 return true; 240 } 241 else 242 { 243 par1World.setBlockMetadataWithNotify(par2, par3, par4, var11 + var12); 244 par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4); 245 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F); 246 this.func_82536_d(par1World, par2, par3, par4, var11); 247 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate()); 248 return true; 249 } 250 } 251 252 /** 253 * ejects contained items into the world, and notifies neighbours of an update, as appropriate 254 */ 255 public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6) 256 { 257 if ((par6 & 8) > 0) 258 { 259 int var7 = par6 & 7; 260 this.func_82536_d(par1World, par2, par3, par4, var7); 261 } 262 263 super.breakBlock(par1World, par2, par3, par4, par5, par6); 264 } 265 266 /** 267 * Is this block powering the block on the specified side 268 */ 269 public boolean isPoweringTo(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5) 270 { 271 return (par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 8) > 0; 272 } 273 274 /** 275 * Is this block indirectly powering the block on the specified side 276 */ 277 public boolean isIndirectlyPoweringTo(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5) 278 { 279 int var6 = par1IBlockAccess.getBlockMetadata(par2, par3, par4); 280 281 if ((var6 & 8) == 0) 282 { 283 return false; 284 } 285 else 286 { 287 int var7 = var6 & 7; 288 return var7 == 5 && par5 == 1 ? true : (var7 == 4 && par5 == 2 ? true : (var7 == 3 && par5 == 3 ? true : (var7 == 2 && par5 == 4 ? true : var7 == 1 && par5 == 5))); 289 } 290 } 291 292 /** 293 * Can this block provide power. Only wire currently seems to have this change based on its state. 294 */ 295 public boolean canProvidePower() 296 { 297 return true; 298 } 299 300 /** 301 * Ticks the block if it's been scheduled 302 */ 303 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random) 304 { 305 if (!par1World.isRemote) 306 { 307 int var6 = par1World.getBlockMetadata(par2, par3, par4); 308 309 if ((var6 & 8) != 0) 310 { 311 if (this.field_82537_a) 312 { 313 this.func_82535_o(par1World, par2, par3, par4); 314 } 315 else 316 { 317 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 & 7); 318 int var7 = var6 & 7; 319 this.func_82536_d(par1World, par2, par3, par4, var7); 320 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F); 321 par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4); 322 } 323 } 324 } 325 } 326 327 /** 328 * Sets the block's bounds for rendering it as an item 329 */ 330 public void setBlockBoundsForItemRender() 331 { 332 float var1 = 0.1875F; 333 float var2 = 0.125F; 334 float var3 = 0.125F; 335 this.setBlockBounds(0.5F - var1, 0.5F - var2, 0.5F - var3, 0.5F + var1, 0.5F + var2, 0.5F + var3); 336 } 337 338 /** 339 * Triggered whenever an entity collides with this block (enters into the block). Args: world, x, y, z, entity 340 */ 341 public void onEntityCollidedWithBlock(World par1World, int par2, int par3, int par4, Entity par5Entity) 342 { 343 if (!par1World.isRemote) 344 { 345 if (this.field_82537_a) 346 { 347 if ((par1World.getBlockMetadata(par2, par3, par4) & 8) == 0) 348 { 349 this.func_82535_o(par1World, par2, par3, par4); 350 } 351 } 352 } 353 } 354 355 private void func_82535_o(World par1World, int par2, int par3, int par4) 356 { 357 int var5 = par1World.getBlockMetadata(par2, par3, par4); 358 int var6 = var5 & 7; 359 boolean var7 = (var5 & 8) != 0; 360 this.func_82534_e(var5); 361 List var9 = par1World.getEntitiesWithinAABB(EntityArrow.class, AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)par2 + this.minX, (double)par3 + this.minY, (double)par4 + this.minZ, (double)par2 + this.maxX, (double)par3 + this.maxY, (double)par4 + this.maxZ)); 362 boolean var8 = !var9.isEmpty(); 363 364 if (var8 && !var7) 365 { 366 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 | 8); 367 this.func_82536_d(par1World, par2, par3, par4, var6); 368 par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4); 369 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F); 370 } 371 372 if (!var8 && var7) 373 { 374 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6); 375 this.func_82536_d(par1World, par2, par3, par4, var6); 376 par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4); 377 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F); 378 } 379 380 if (var8) 381 { 382 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate()); 383 } 384 } 385 386 private void func_82536_d(World par1World, int par2, int par3, int par4, int par5) 387 { 388 par1World.notifyBlocksOfNeighborChange(par2, par3, par4, this.blockID); 389 390 if (par5 == 1) 391 { 392 par1World.notifyBlocksOfNeighborChange(par2 - 1, par3, par4, this.blockID); 393 } 394 else if (par5 == 2) 395 { 396 par1World.notifyBlocksOfNeighborChange(par2 + 1, par3, par4, this.blockID); 397 } 398 else if (par5 == 3) 399 { 400 par1World.notifyBlocksOfNeighborChange(par2, par3, par4 - 1, this.blockID); 401 } 402 else if (par5 == 4) 403 { 404 par1World.notifyBlocksOfNeighborChange(par2, par3, par4 + 1, this.blockID); 405 } 406 else 407 { 408 par1World.notifyBlocksOfNeighborChange(par2, par3 - 1, par4, this.blockID); 409 } 410 } 411 }