001package net.minecraft.block; 002 003import cpw.mods.fml.relauncher.Side; 004import cpw.mods.fml.relauncher.SideOnly; 005import java.util.Random; 006import net.minecraft.block.material.Material; 007import net.minecraft.creativetab.CreativeTabs; 008import net.minecraft.util.AxisAlignedBB; 009import net.minecraft.util.MovingObjectPosition; 010import net.minecraft.util.Vec3; 011import net.minecraft.world.World; 012 013import net.minecraftforge.common.ForgeDirection; 014import static net.minecraftforge.common.ForgeDirection.*; 015 016public class BlockTorch extends Block 017{ 018 protected BlockTorch(int par1) 019 { 020 super(par1, Material.circuits); 021 this.setTickRandomly(true); 022 this.setCreativeTab(CreativeTabs.tabDecorations); 023 } 024 025 /** 026 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been 027 * cleared to be reused) 028 */ 029 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4) 030 { 031 return null; 032 } 033 034 /** 035 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two 036 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block. 037 */ 038 public boolean isOpaqueCube() 039 { 040 return false; 041 } 042 043 /** 044 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc) 045 */ 046 public boolean renderAsNormalBlock() 047 { 048 return false; 049 } 050 051 /** 052 * The type of render function that is called for this block 053 */ 054 public int getRenderType() 055 { 056 return 2; 057 } 058 059 /** 060 * Gets if we can place a torch on a block. 061 */ 062 private boolean canPlaceTorchOn(World par1World, int par2, int par3, int par4) 063 { 064 if (par1World.doesBlockHaveSolidTopSurface(par2, par3, par4)) 065 { 066 return true; 067 } 068 else 069 { 070 int l = par1World.getBlockId(par2, par3, par4); 071 return (Block.blocksList[l] != null && Block.blocksList[l].canPlaceTorchOnTop(par1World, par2, par3, par4)); 072 } 073 } 074 075 /** 076 * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z 077 */ 078 public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4) 079 { 080 return par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST, true) || 081 par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST, true) || 082 par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH, true) || 083 par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH, true) || 084 canPlaceTorchOn(par1World, par2, par3 - 1, par4); 085 } 086 087 /** 088 * Called when a block is placed using its ItemBlock. Args: World, X, Y, Z, side, hitX, hitY, hitZ, block metadata 089 */ 090 public int onBlockPlaced(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8, int par9) 091 { 092 int j1 = par9; 093 094 if (par5 == 1 && this.canPlaceTorchOn(par1World, par2, par3 - 1, par4)) 095 { 096 j1 = 5; 097 } 098 099 if (par5 == 2 && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH, true)) 100 { 101 j1 = 4; 102 } 103 104 if (par5 == 3 && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH, true)) 105 { 106 j1 = 3; 107 } 108 109 if (par5 == 4 && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST, true)) 110 { 111 j1 = 2; 112 } 113 114 if (par5 == 5 && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST, true)) 115 { 116 j1 = 1; 117 } 118 119 return j1; 120 } 121 122 /** 123 * Ticks the block if it's been scheduled 124 */ 125 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random) 126 { 127 super.updateTick(par1World, par2, par3, par4, par5Random); 128 129 if (par1World.getBlockMetadata(par2, par3, par4) == 0) 130 { 131 this.onBlockAdded(par1World, par2, par3, par4); 132 } 133 } 134 135 /** 136 * Called whenever the block is added into the world. Args: world, x, y, z 137 */ 138 public void onBlockAdded(World par1World, int par2, int par3, int par4) 139 { 140 if (par1World.getBlockMetadata(par2, par3, par4) == 0) 141 { 142 if (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST, true)) 143 { 144 par1World.setBlockMetadataWithNotify(par2, par3, par4, 1, 2); 145 } 146 else if (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST, true)) 147 { 148 par1World.setBlockMetadataWithNotify(par2, par3, par4, 2, 2); 149 } 150 else if (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH, true)) 151 { 152 par1World.setBlockMetadataWithNotify(par2, par3, par4, 3, 2); 153 } 154 else if (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH, true)) 155 { 156 par1World.setBlockMetadataWithNotify(par2, par3, par4, 4, 2); 157 } 158 else if (this.canPlaceTorchOn(par1World, par2, par3 - 1, par4)) 159 { 160 par1World.setBlockMetadataWithNotify(par2, par3, par4, 5, 2); 161 } 162 } 163 164 this.dropTorchIfCantStay(par1World, par2, par3, par4); 165 } 166 167 /** 168 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are 169 * their own) Args: x, y, z, neighbor blockID 170 */ 171 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5) 172 { 173 this.func_94397_d(par1World, par2, par3, par4, par5); 174 } 175 176 protected boolean func_94397_d(World par1World, int par2, int par3, int par4, int par5) 177 { 178 if (this.dropTorchIfCantStay(par1World, par2, par3, par4)) 179 { 180 int i1 = par1World.getBlockMetadata(par2, par3, par4); 181 boolean flag = false; 182 183 if (!par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST, true) && i1 == 1) 184 { 185 flag = true; 186 } 187 188 if (!par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST, true) && i1 == 2) 189 { 190 flag = true; 191 } 192 193 if (!par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH, true) && i1 == 3) 194 { 195 flag = true; 196 } 197 198 if (!par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH, true) && i1 == 4) 199 { 200 flag = true; 201 } 202 203 if (!this.canPlaceTorchOn(par1World, par2, par3 - 1, par4) && i1 == 5) 204 { 205 flag = true; 206 } 207 208 if (flag) 209 { 210 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0); 211 par1World.func_94571_i(par2, par3, par4); 212 return true; 213 } 214 else 215 { 216 return false; 217 } 218 } 219 else 220 { 221 return true; 222 } 223 } 224 225 /** 226 * Tests if the block can remain at its current location and will drop as an item if it is unable to stay. Returns 227 * True if it can stay and False if it drops. Args: world, x, y, z 228 */ 229 protected boolean dropTorchIfCantStay(World par1World, int par2, int par3, int par4) 230 { 231 if (!this.canPlaceBlockAt(par1World, par2, par3, par4)) 232 { 233 if (par1World.getBlockId(par2, par3, par4) == this.blockID) 234 { 235 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0); 236 par1World.func_94571_i(par2, par3, par4); 237 } 238 239 return false; 240 } 241 else 242 { 243 return true; 244 } 245 } 246 247 /** 248 * Ray traces through the blocks collision from start vector to end vector returning a ray trace hit. Args: world, 249 * x, y, z, startVec, endVec 250 */ 251 public MovingObjectPosition collisionRayTrace(World par1World, int par2, int par3, int par4, Vec3 par5Vec3, Vec3 par6Vec3) 252 { 253 int l = par1World.getBlockMetadata(par2, par3, par4) & 7; 254 float f = 0.15F; 255 256 if (l == 1) 257 { 258 this.setBlockBounds(0.0F, 0.2F, 0.5F - f, f * 2.0F, 0.8F, 0.5F + f); 259 } 260 else if (l == 2) 261 { 262 this.setBlockBounds(1.0F - f * 2.0F, 0.2F, 0.5F - f, 1.0F, 0.8F, 0.5F + f); 263 } 264 else if (l == 3) 265 { 266 this.setBlockBounds(0.5F - f, 0.2F, 0.0F, 0.5F + f, 0.8F, f * 2.0F); 267 } 268 else if (l == 4) 269 { 270 this.setBlockBounds(0.5F - f, 0.2F, 1.0F - f * 2.0F, 0.5F + f, 0.8F, 1.0F); 271 } 272 else 273 { 274 f = 0.1F; 275 this.setBlockBounds(0.5F - f, 0.0F, 0.5F - f, 0.5F + f, 0.6F, 0.5F + f); 276 } 277 278 return super.collisionRayTrace(par1World, par2, par3, par4, par5Vec3, par6Vec3); 279 } 280 281 @SideOnly(Side.CLIENT) 282 283 /** 284 * A randomly called display update to be able to add particles or other items for display 285 */ 286 public void randomDisplayTick(World par1World, int par2, int par3, int par4, Random par5Random) 287 { 288 int l = par1World.getBlockMetadata(par2, par3, par4); 289 double d0 = (double)((float)par2 + 0.5F); 290 double d1 = (double)((float)par3 + 0.7F); 291 double d2 = (double)((float)par4 + 0.5F); 292 double d3 = 0.2199999988079071D; 293 double d4 = 0.27000001072883606D; 294 295 if (l == 1) 296 { 297 par1World.spawnParticle("smoke", d0 - d4, d1 + d3, d2, 0.0D, 0.0D, 0.0D); 298 par1World.spawnParticle("flame", d0 - d4, d1 + d3, d2, 0.0D, 0.0D, 0.0D); 299 } 300 else if (l == 2) 301 { 302 par1World.spawnParticle("smoke", d0 + d4, d1 + d3, d2, 0.0D, 0.0D, 0.0D); 303 par1World.spawnParticle("flame", d0 + d4, d1 + d3, d2, 0.0D, 0.0D, 0.0D); 304 } 305 else if (l == 3) 306 { 307 par1World.spawnParticle("smoke", d0, d1 + d3, d2 - d4, 0.0D, 0.0D, 0.0D); 308 par1World.spawnParticle("flame", d0, d1 + d3, d2 - d4, 0.0D, 0.0D, 0.0D); 309 } 310 else if (l == 4) 311 { 312 par1World.spawnParticle("smoke", d0, d1 + d3, d2 + d4, 0.0D, 0.0D, 0.0D); 313 par1World.spawnParticle("flame", d0, d1 + d3, d2 + d4, 0.0D, 0.0D, 0.0D); 314 } 315 else 316 { 317 par1World.spawnParticle("smoke", d0, d1, d2, 0.0D, 0.0D, 0.0D); 318 par1World.spawnParticle("flame", d0, d1, d2, 0.0D, 0.0D, 0.0D); 319 } 320 } 321}