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 /** Whether this button is sensible to arrows, used by wooden buttons. */ 013 private final boolean sensible; 014 015 protected BlockButton(int par1, int par2, boolean par3) 016 { 017 super(par1, par2, Material.circuits); 018 this.setTickRandomly(true); 019 this.setCreativeTab(CreativeTabs.tabRedstone); 020 this.sensible = par3; 021 } 022 023 /** 024 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been 025 * cleared to be reused) 026 */ 027 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4) 028 { 029 return null; 030 } 031 032 /** 033 * How many world ticks before ticking 034 */ 035 public int tickRate() 036 { 037 return this.sensible ? 30 : 20; 038 } 039 040 /** 041 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two 042 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block. 043 */ 044 public boolean isOpaqueCube() 045 { 046 return false; 047 } 048 049 /** 050 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc) 051 */ 052 public boolean renderAsNormalBlock() 053 { 054 return false; 055 } 056 057 /** 058 * checks to see if you can place this block can be placed on that side of a block: BlockLever overrides 059 */ 060 public boolean canPlaceBlockOnSide(World par1World, int par2, int par3, int par4, int par5) 061 { 062 ForgeDirection dir = ForgeDirection.getOrientation(par5); 063 return (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) || 064 (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) || 065 (dir == WEST && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) || 066 (dir == EAST && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)); 067 } 068 069 /** 070 * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z 071 */ 072 public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4) 073 { 074 return (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) || 075 (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) || 076 (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) || 077 (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)); 078 } 079 080 public int func_85104_a(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8, int par9) 081 { 082 int var10 = par1World.getBlockMetadata(par2, par3, par4); 083 int var11 = var10 & 8; 084 var10 &= 7; 085 086 087 ForgeDirection dir = ForgeDirection.getOrientation(par5); 088 089 if (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) 090 { 091 var10 = 4; 092 } 093 else if (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) 094 { 095 var10 = 3; 096 } 097 else if (dir == WEST && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) 098 { 099 var10 = 2; 100 } 101 else if (dir == EAST && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) 102 { 103 var10 = 1; 104 } 105 else 106 { 107 var10 = this.getOrientation(par1World, par2, par3, par4); 108 } 109 110 return var10 + var11; 111 } 112 113 /** 114 * Get side which this button is facing. 115 */ 116 private int getOrientation(World par1World, int par2, int par3, int par4) 117 { 118 if (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) return 1; 119 if (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) return 2; 120 if (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) return 3; 121 if (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) return 4; 122 return 1; 123 } 124 125 /** 126 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are 127 * their own) Args: x, y, z, neighbor blockID 128 */ 129 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5) 130 { 131 if (this.redundantCanPlaceBlockAt(par1World, par2, par3, par4)) 132 { 133 int var6 = par1World.getBlockMetadata(par2, par3, par4) & 7; 134 boolean var7 = false; 135 136 if (!par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST) && var6 == 1) 137 { 138 var7 = true; 139 } 140 141 if (!par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST) && var6 == 2) 142 { 143 var7 = true; 144 } 145 146 if (!par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH) && var6 == 3) 147 { 148 var7 = true; 149 } 150 151 if (!par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH) && var6 == 4) 152 { 153 var7 = true; 154 } 155 156 if (var7) 157 { 158 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0); 159 par1World.setBlockWithNotify(par2, par3, par4, 0); 160 } 161 } 162 } 163 164 /** 165 * This method is redundant, check it out... 166 */ 167 private boolean redundantCanPlaceBlockAt(World par1World, int par2, int par3, int par4) 168 { 169 if (!this.canPlaceBlockAt(par1World, par2, par3, par4)) 170 { 171 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0); 172 par1World.setBlockWithNotify(par2, par3, par4, 0); 173 return false; 174 } 175 else 176 { 177 return true; 178 } 179 } 180 181 /** 182 * Updates the blocks bounds based on its current state. Args: world, x, y, z 183 */ 184 public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4) 185 { 186 int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4); 187 this.func_82534_e(var5); 188 } 189 190 private void func_82534_e(int par1) 191 { 192 int var2 = par1 & 7; 193 boolean var3 = (par1 & 8) > 0; 194 float var4 = 0.375F; 195 float var5 = 0.625F; 196 float var6 = 0.1875F; 197 float var7 = 0.125F; 198 199 if (var3) 200 { 201 var7 = 0.0625F; 202 } 203 204 if (var2 == 1) 205 { 206 this.setBlockBounds(0.0F, var4, 0.5F - var6, var7, var5, 0.5F + var6); 207 } 208 else if (var2 == 2) 209 { 210 this.setBlockBounds(1.0F - var7, var4, 0.5F - var6, 1.0F, var5, 0.5F + var6); 211 } 212 else if (var2 == 3) 213 { 214 this.setBlockBounds(0.5F - var6, var4, 0.0F, 0.5F + var6, var5, var7); 215 } 216 else if (var2 == 4) 217 { 218 this.setBlockBounds(0.5F - var6, var4, 1.0F - var7, 0.5F + var6, var5, 1.0F); 219 } 220 } 221 222 /** 223 * Called when the block is clicked by a player. Args: x, y, z, entityPlayer 224 */ 225 public void onBlockClicked(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer) {} 226 227 /** 228 * Called upon block activation (right click on the block.) 229 */ 230 public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9) 231 { 232 int var10 = par1World.getBlockMetadata(par2, par3, par4); 233 int var11 = var10 & 7; 234 int var12 = 8 - (var10 & 8); 235 236 if (var12 == 0) 237 { 238 return true; 239 } 240 else 241 { 242 par1World.setBlockMetadataWithNotify(par2, par3, par4, var11 + var12); 243 par1World.markBlockRangeForRenderUpdate(par2, par3, par4, par2, par3, par4); 244 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F); 245 this.func_82536_d(par1World, par2, par3, par4, var11); 246 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate()); 247 return true; 248 } 249 } 250 251 /** 252 * ejects contained items into the world, and notifies neighbours of an update, as appropriate 253 */ 254 public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6) 255 { 256 if ((par6 & 8) > 0) 257 { 258 int var7 = par6 & 7; 259 this.func_82536_d(par1World, par2, par3, par4, var7); 260 } 261 262 super.breakBlock(par1World, par2, par3, par4, par5, par6); 263 } 264 265 /** 266 * Returns true if the block is emitting indirect/weak redstone power on the specified side. If isBlockNormalCube 267 * returns true, standard redstone propagation rules will apply instead and this will not be called. Args: World, X, 268 * Y, Z, side 269 */ 270 public boolean isProvidingWeakPower(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5) 271 { 272 return (par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 8) > 0; 273 } 274 275 /** 276 * Returns true if the block is emitting direct/strong redstone power on the specified side. Args: World, X, Y, Z, 277 * side 278 */ 279 public boolean isProvidingStrongPower(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5) 280 { 281 int var6 = par1IBlockAccess.getBlockMetadata(par2, par3, par4); 282 283 if ((var6 & 8) == 0) 284 { 285 return false; 286 } 287 else 288 { 289 int var7 = var6 & 7; 290 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))); 291 } 292 } 293 294 /** 295 * Can this block provide power. Only wire currently seems to have this change based on its state. 296 */ 297 public boolean canProvidePower() 298 { 299 return true; 300 } 301 302 /** 303 * Ticks the block if it's been scheduled 304 */ 305 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random) 306 { 307 if (!par1World.isRemote) 308 { 309 int var6 = par1World.getBlockMetadata(par2, par3, par4); 310 311 if ((var6 & 8) != 0) 312 { 313 if (this.sensible) 314 { 315 this.func_82535_o(par1World, par2, par3, par4); 316 } 317 else 318 { 319 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 & 7); 320 int var7 = var6 & 7; 321 this.func_82536_d(par1World, par2, par3, par4, var7); 322 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F); 323 par1World.markBlockRangeForRenderUpdate(par2, par3, par4, par2, par3, par4); 324 } 325 } 326 } 327 } 328 329 /** 330 * Sets the block's bounds for rendering it as an item 331 */ 332 public void setBlockBoundsForItemRender() 333 { 334 float var1 = 0.1875F; 335 float var2 = 0.125F; 336 float var3 = 0.125F; 337 this.setBlockBounds(0.5F - var1, 0.5F - var2, 0.5F - var3, 0.5F + var1, 0.5F + var2, 0.5F + var3); 338 } 339 340 /** 341 * Triggered whenever an entity collides with this block (enters into the block). Args: world, x, y, z, entity 342 */ 343 public void onEntityCollidedWithBlock(World par1World, int par2, int par3, int par4, Entity par5Entity) 344 { 345 if (!par1World.isRemote) 346 { 347 if (this.sensible) 348 { 349 if ((par1World.getBlockMetadata(par2, par3, par4) & 8) == 0) 350 { 351 this.func_82535_o(par1World, par2, par3, par4); 352 } 353 } 354 } 355 } 356 357 private void func_82535_o(World par1World, int par2, int par3, int par4) 358 { 359 int var5 = par1World.getBlockMetadata(par2, par3, par4); 360 int var6 = var5 & 7; 361 boolean var7 = (var5 & 8) != 0; 362 this.func_82534_e(var5); 363 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)); 364 boolean var8 = !var9.isEmpty(); 365 366 if (var8 && !var7) 367 { 368 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 | 8); 369 this.func_82536_d(par1World, par2, par3, par4, var6); 370 par1World.markBlockRangeForRenderUpdate(par2, par3, par4, par2, par3, par4); 371 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F); 372 } 373 374 if (!var8 && var7) 375 { 376 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6); 377 this.func_82536_d(par1World, par2, par3, par4, var6); 378 par1World.markBlockRangeForRenderUpdate(par2, par3, par4, par2, par3, par4); 379 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F); 380 } 381 382 if (var8) 383 { 384 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate()); 385 } 386 } 387 388 private void func_82536_d(World par1World, int par2, int par3, int par4, int par5) 389 { 390 par1World.notifyBlocksOfNeighborChange(par2, par3, par4, this.blockID); 391 392 if (par5 == 1) 393 { 394 par1World.notifyBlocksOfNeighborChange(par2 - 1, par3, par4, this.blockID); 395 } 396 else if (par5 == 2) 397 { 398 par1World.notifyBlocksOfNeighborChange(par2 + 1, par3, par4, this.blockID); 399 } 400 else if (par5 == 3) 401 { 402 par1World.notifyBlocksOfNeighborChange(par2, par3, par4 - 1, this.blockID); 403 } 404 else if (par5 == 4) 405 { 406 par1World.notifyBlocksOfNeighborChange(par2, par3, par4 + 1, this.blockID); 407 } 408 else 409 { 410 par1World.notifyBlocksOfNeighborChange(par2, par3 - 1, par4, this.blockID); 411 } 412 } 413 }