001 package net.minecraft.block; 002 003 import java.util.List; 004 import java.util.Random; 005 import net.minecraft.block.material.Material; 006 import net.minecraft.creativetab.CreativeTabs; 007 import net.minecraft.entity.Entity; 008 import net.minecraft.entity.player.EntityPlayer; 009 import net.minecraft.entity.projectile.EntityArrow; 010 import net.minecraft.util.AxisAlignedBB; 011 import net.minecraft.world.IBlockAccess; 012 import net.minecraft.world.World; 013 014 import net.minecraftforge.common.ForgeDirection; 015 import static net.minecraftforge.common.ForgeDirection.*; 016 017 public class BlockButton extends Block 018 { 019 /** Whether this button is sensible to arrows, used by wooden buttons. */ 020 protected boolean sensible; 021 022 protected BlockButton(int par1, int par2, boolean par3) 023 { 024 super(par1, par2, Material.circuits); 025 this.setTickRandomly(true); 026 this.setCreativeTab(CreativeTabs.tabRedstone); 027 this.sensible = par3; 028 } 029 030 /** 031 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been 032 * cleared to be reused) 033 */ 034 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4) 035 { 036 return null; 037 } 038 039 /** 040 * How many world ticks before ticking 041 */ 042 public int tickRate() 043 { 044 return this.sensible ? 30 : 20; 045 } 046 047 /** 048 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two 049 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block. 050 */ 051 public boolean isOpaqueCube() 052 { 053 return false; 054 } 055 056 /** 057 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc) 058 */ 059 public boolean renderAsNormalBlock() 060 { 061 return false; 062 } 063 064 /** 065 * checks to see if you can place this block can be placed on that side of a block: BlockLever overrides 066 */ 067 public boolean canPlaceBlockOnSide(World par1World, int par2, int par3, int par4, int par5) 068 { 069 ForgeDirection dir = ForgeDirection.getOrientation(par5); 070 return (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) || 071 (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) || 072 (dir == WEST && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) || 073 (dir == EAST && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)); 074 } 075 076 /** 077 * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z 078 */ 079 public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4) 080 { 081 return (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) || 082 (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) || 083 (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) || 084 (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)); 085 } 086 087 public int func_85104_a(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8, int par9) 088 { 089 int var10 = par1World.getBlockMetadata(par2, par3, par4); 090 int var11 = var10 & 8; 091 var10 &= 7; 092 093 094 ForgeDirection dir = ForgeDirection.getOrientation(par5); 095 096 if (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) 097 { 098 var10 = 4; 099 } 100 else if (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) 101 { 102 var10 = 3; 103 } 104 else if (dir == WEST && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) 105 { 106 var10 = 2; 107 } 108 else if (dir == EAST && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) 109 { 110 var10 = 1; 111 } 112 else 113 { 114 var10 = this.getOrientation(par1World, par2, par3, par4); 115 } 116 117 return var10 + var11; 118 } 119 120 /** 121 * Get side which this button is facing. 122 */ 123 private int getOrientation(World par1World, int par2, int par3, int par4) 124 { 125 if (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) return 1; 126 if (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) return 2; 127 if (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) return 3; 128 if (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) return 4; 129 return 1; 130 } 131 132 /** 133 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are 134 * their own) Args: x, y, z, neighbor blockID 135 */ 136 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5) 137 { 138 if (this.redundantCanPlaceBlockAt(par1World, par2, par3, par4)) 139 { 140 int var6 = par1World.getBlockMetadata(par2, par3, par4) & 7; 141 boolean var7 = false; 142 143 if (!par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST) && var6 == 1) 144 { 145 var7 = true; 146 } 147 148 if (!par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST) && var6 == 2) 149 { 150 var7 = true; 151 } 152 153 if (!par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH) && var6 == 3) 154 { 155 var7 = true; 156 } 157 158 if (!par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH) && var6 == 4) 159 { 160 var7 = true; 161 } 162 163 if (var7) 164 { 165 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0); 166 par1World.setBlockWithNotify(par2, par3, par4, 0); 167 } 168 } 169 } 170 171 /** 172 * This method is redundant, check it out... 173 */ 174 private boolean redundantCanPlaceBlockAt(World par1World, int par2, int par3, int par4) 175 { 176 if (!this.canPlaceBlockAt(par1World, par2, par3, par4)) 177 { 178 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0); 179 par1World.setBlockWithNotify(par2, par3, par4, 0); 180 return false; 181 } 182 else 183 { 184 return true; 185 } 186 } 187 188 /** 189 * Updates the blocks bounds based on its current state. Args: world, x, y, z 190 */ 191 public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4) 192 { 193 int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4); 194 this.func_82534_e(var5); 195 } 196 197 private void func_82534_e(int par1) 198 { 199 int var2 = par1 & 7; 200 boolean var3 = (par1 & 8) > 0; 201 float var4 = 0.375F; 202 float var5 = 0.625F; 203 float var6 = 0.1875F; 204 float var7 = 0.125F; 205 206 if (var3) 207 { 208 var7 = 0.0625F; 209 } 210 211 if (var2 == 1) 212 { 213 this.setBlockBounds(0.0F, var4, 0.5F - var6, var7, var5, 0.5F + var6); 214 } 215 else if (var2 == 2) 216 { 217 this.setBlockBounds(1.0F - var7, var4, 0.5F - var6, 1.0F, var5, 0.5F + var6); 218 } 219 else if (var2 == 3) 220 { 221 this.setBlockBounds(0.5F - var6, var4, 0.0F, 0.5F + var6, var5, var7); 222 } 223 else if (var2 == 4) 224 { 225 this.setBlockBounds(0.5F - var6, var4, 1.0F - var7, 0.5F + var6, var5, 1.0F); 226 } 227 } 228 229 /** 230 * Called when the block is clicked by a player. Args: x, y, z, entityPlayer 231 */ 232 public void onBlockClicked(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer) {} 233 234 /** 235 * Called upon block activation (right click on the block.) 236 */ 237 public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9) 238 { 239 int var10 = par1World.getBlockMetadata(par2, par3, par4); 240 int var11 = var10 & 7; 241 int var12 = 8 - (var10 & 8); 242 243 if (var12 == 0) 244 { 245 return true; 246 } 247 else 248 { 249 par1World.setBlockMetadataWithNotify(par2, par3, par4, var11 + var12); 250 par1World.markBlockRangeForRenderUpdate(par2, par3, par4, par2, par3, par4); 251 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F); 252 this.func_82536_d(par1World, par2, par3, par4, var11); 253 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate()); 254 return true; 255 } 256 } 257 258 /** 259 * ejects contained items into the world, and notifies neighbours of an update, as appropriate 260 */ 261 public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6) 262 { 263 if ((par6 & 8) > 0) 264 { 265 int var7 = par6 & 7; 266 this.func_82536_d(par1World, par2, par3, par4, var7); 267 } 268 269 super.breakBlock(par1World, par2, par3, par4, par5, par6); 270 } 271 272 /** 273 * Returns true if the block is emitting indirect/weak redstone power on the specified side. If isBlockNormalCube 274 * returns true, standard redstone propagation rules will apply instead and this will not be called. Args: World, X, 275 * Y, Z, side 276 */ 277 public boolean isProvidingWeakPower(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5) 278 { 279 return (par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 8) > 0; 280 } 281 282 /** 283 * Returns true if the block is emitting direct/strong redstone power on the specified side. Args: World, X, Y, Z, 284 * side 285 */ 286 public boolean isProvidingStrongPower(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5) 287 { 288 int var6 = par1IBlockAccess.getBlockMetadata(par2, par3, par4); 289 290 if ((var6 & 8) == 0) 291 { 292 return false; 293 } 294 else 295 { 296 int var7 = var6 & 7; 297 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))); 298 } 299 } 300 301 /** 302 * Can this block provide power. Only wire currently seems to have this change based on its state. 303 */ 304 public boolean canProvidePower() 305 { 306 return true; 307 } 308 309 /** 310 * Ticks the block if it's been scheduled 311 */ 312 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random) 313 { 314 if (!par1World.isRemote) 315 { 316 int var6 = par1World.getBlockMetadata(par2, par3, par4); 317 318 if ((var6 & 8) != 0) 319 { 320 if (this.sensible) 321 { 322 this.func_82535_o(par1World, par2, par3, par4); 323 } 324 else 325 { 326 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 & 7); 327 int var7 = var6 & 7; 328 this.func_82536_d(par1World, par2, par3, par4, var7); 329 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F); 330 par1World.markBlockRangeForRenderUpdate(par2, par3, par4, par2, par3, par4); 331 } 332 } 333 } 334 } 335 336 /** 337 * Sets the block's bounds for rendering it as an item 338 */ 339 public void setBlockBoundsForItemRender() 340 { 341 float var1 = 0.1875F; 342 float var2 = 0.125F; 343 float var3 = 0.125F; 344 this.setBlockBounds(0.5F - var1, 0.5F - var2, 0.5F - var3, 0.5F + var1, 0.5F + var2, 0.5F + var3); 345 } 346 347 /** 348 * Triggered whenever an entity collides with this block (enters into the block). Args: world, x, y, z, entity 349 */ 350 public void onEntityCollidedWithBlock(World par1World, int par2, int par3, int par4, Entity par5Entity) 351 { 352 if (!par1World.isRemote) 353 { 354 if (this.sensible) 355 { 356 if ((par1World.getBlockMetadata(par2, par3, par4) & 8) == 0) 357 { 358 this.func_82535_o(par1World, par2, par3, par4); 359 } 360 } 361 } 362 } 363 364 protected void func_82535_o(World par1World, int par2, int par3, int par4) 365 { 366 int var5 = par1World.getBlockMetadata(par2, par3, par4); 367 int var6 = var5 & 7; 368 boolean var7 = (var5 & 8) != 0; 369 this.func_82534_e(var5); 370 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)); 371 boolean var8 = !var9.isEmpty(); 372 373 if (var8 && !var7) 374 { 375 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 | 8); 376 this.func_82536_d(par1World, par2, par3, par4, var6); 377 par1World.markBlockRangeForRenderUpdate(par2, par3, par4, par2, par3, par4); 378 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F); 379 } 380 381 if (!var8 && var7) 382 { 383 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6); 384 this.func_82536_d(par1World, par2, par3, par4, var6); 385 par1World.markBlockRangeForRenderUpdate(par2, par3, par4, par2, par3, par4); 386 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F); 387 } 388 389 if (var8) 390 { 391 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate()); 392 } 393 } 394 395 private void func_82536_d(World par1World, int par2, int par3, int par4, int par5) 396 { 397 par1World.notifyBlocksOfNeighborChange(par2, par3, par4, this.blockID); 398 399 if (par5 == 1) 400 { 401 par1World.notifyBlocksOfNeighborChange(par2 - 1, par3, par4, this.blockID); 402 } 403 else if (par5 == 2) 404 { 405 par1World.notifyBlocksOfNeighborChange(par2 + 1, par3, par4, this.blockID); 406 } 407 else if (par5 == 3) 408 { 409 par1World.notifyBlocksOfNeighborChange(par2, par3, par4 - 1, this.blockID); 410 } 411 else if (par5 == 4) 412 { 413 par1World.notifyBlocksOfNeighborChange(par2, par3, par4 + 1, this.blockID); 414 } 415 else 416 { 417 par1World.notifyBlocksOfNeighborChange(par2, par3 - 1, par4, this.blockID); 418 } 419 } 420 }