001 package net.minecraft.block; 002 003 import cpw.mods.fml.relauncher.Side; 004 import cpw.mods.fml.relauncher.SideOnly; 005 import java.util.Random; 006 import net.minecraft.block.material.Material; 007 import net.minecraft.creativetab.CreativeTabs; 008 import net.minecraft.util.AxisAlignedBB; 009 import net.minecraft.util.MovingObjectPosition; 010 import net.minecraft.util.Vec3; 011 import net.minecraft.world.World; 012 013 import net.minecraftforge.common.ForgeDirection; 014 import static net.minecraftforge.common.ForgeDirection.*; 015 016 public class BlockTorch extends Block 017 { 018 protected BlockTorch(int par1, int par2) 019 { 020 super(par1, par2, 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 var5 = par1World.getBlockId(par2, par3, par4); 071 return (Block.blocksList[var5] != null && Block.blocksList[var5].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 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 = par9; 090 091 if (par5 == 1 && this.canPlaceTorchOn(par1World, par2, par3 - 1, par4)) 092 { 093 var10 = 5; 094 } 095 096 if (par5 == 2 && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH, true)) 097 { 098 var10 = 4; 099 } 100 101 if (par5 == 3 && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH, true)) 102 { 103 var10 = 3; 104 } 105 106 if (par5 == 4 && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST, true)) 107 { 108 var10 = 2; 109 } 110 111 if (par5 == 5 && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST, true)) 112 { 113 var10 = 1; 114 } 115 116 return var10; 117 } 118 119 /** 120 * Ticks the block if it's been scheduled 121 */ 122 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random) 123 { 124 super.updateTick(par1World, par2, par3, par4, par5Random); 125 126 if (par1World.getBlockMetadata(par2, par3, par4) == 0) 127 { 128 this.onBlockAdded(par1World, par2, par3, par4); 129 } 130 } 131 132 /** 133 * Called whenever the block is added into the world. Args: world, x, y, z 134 */ 135 public void onBlockAdded(World par1World, int par2, int par3, int par4) 136 { 137 if (par1World.getBlockMetadata(par2, par3, par4) == 0) 138 { 139 if (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST, true)) 140 { 141 par1World.setBlockMetadataWithNotify(par2, par3, par4, 1); 142 } 143 else if (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST, true)) 144 { 145 par1World.setBlockMetadataWithNotify(par2, par3, par4, 2); 146 } 147 else if (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH, true)) 148 { 149 par1World.setBlockMetadataWithNotify(par2, par3, par4, 3); 150 } 151 else if (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH, true)) 152 { 153 par1World.setBlockMetadataWithNotify(par2, par3, par4, 4); 154 } 155 else if (this.canPlaceTorchOn(par1World, par2, par3 - 1, par4)) 156 { 157 par1World.setBlockMetadataWithNotify(par2, par3, par4, 5); 158 } 159 } 160 161 this.dropTorchIfCantStay(par1World, par2, par3, par4); 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 if (this.dropTorchIfCantStay(par1World, par2, par3, par4)) 171 { 172 int var6 = par1World.getBlockMetadata(par2, par3, par4); 173 boolean var7 = false; 174 175 if (!par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST, true) && var6 == 1) 176 { 177 var7 = true; 178 } 179 180 if (!par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST, true) && var6 == 2) 181 { 182 var7 = true; 183 } 184 185 if (!par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH, true) && var6 == 3) 186 { 187 var7 = true; 188 } 189 190 if (!par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH, true) && var6 == 4) 191 { 192 var7 = true; 193 } 194 195 if (!this.canPlaceTorchOn(par1World, par2, par3 - 1, par4) && var6 == 5) 196 { 197 var7 = true; 198 } 199 200 if (var7) 201 { 202 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0); 203 par1World.setBlockWithNotify(par2, par3, par4, 0); 204 } 205 } 206 } 207 208 /** 209 * Tests if the block can remain at its current location and will drop as an item if it is unable to stay. Returns 210 * True if it can stay and False if it drops. Args: world, x, y, z 211 */ 212 private boolean dropTorchIfCantStay(World par1World, int par2, int par3, int par4) 213 { 214 if (!this.canPlaceBlockAt(par1World, par2, par3, par4)) 215 { 216 if (par1World.getBlockId(par2, par3, par4) == this.blockID) 217 { 218 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0); 219 par1World.setBlockWithNotify(par2, par3, par4, 0); 220 } 221 222 return false; 223 } 224 else 225 { 226 return true; 227 } 228 } 229 230 /** 231 * Ray traces through the blocks collision from start vector to end vector returning a ray trace hit. Args: world, 232 * x, y, z, startVec, endVec 233 */ 234 public MovingObjectPosition collisionRayTrace(World par1World, int par2, int par3, int par4, Vec3 par5Vec3, Vec3 par6Vec3) 235 { 236 int var7 = par1World.getBlockMetadata(par2, par3, par4) & 7; 237 float var8 = 0.15F; 238 239 if (var7 == 1) 240 { 241 this.setBlockBounds(0.0F, 0.2F, 0.5F - var8, var8 * 2.0F, 0.8F, 0.5F + var8); 242 } 243 else if (var7 == 2) 244 { 245 this.setBlockBounds(1.0F - var8 * 2.0F, 0.2F, 0.5F - var8, 1.0F, 0.8F, 0.5F + var8); 246 } 247 else if (var7 == 3) 248 { 249 this.setBlockBounds(0.5F - var8, 0.2F, 0.0F, 0.5F + var8, 0.8F, var8 * 2.0F); 250 } 251 else if (var7 == 4) 252 { 253 this.setBlockBounds(0.5F - var8, 0.2F, 1.0F - var8 * 2.0F, 0.5F + var8, 0.8F, 1.0F); 254 } 255 else 256 { 257 var8 = 0.1F; 258 this.setBlockBounds(0.5F - var8, 0.0F, 0.5F - var8, 0.5F + var8, 0.6F, 0.5F + var8); 259 } 260 261 return super.collisionRayTrace(par1World, par2, par3, par4, par5Vec3, par6Vec3); 262 } 263 264 @SideOnly(Side.CLIENT) 265 266 /** 267 * A randomly called display update to be able to add particles or other items for display 268 */ 269 public void randomDisplayTick(World par1World, int par2, int par3, int par4, Random par5Random) 270 { 271 int var6 = par1World.getBlockMetadata(par2, par3, par4); 272 double var7 = (double)((float)par2 + 0.5F); 273 double var9 = (double)((float)par3 + 0.7F); 274 double var11 = (double)((float)par4 + 0.5F); 275 double var13 = 0.2199999988079071D; 276 double var15 = 0.27000001072883606D; 277 278 if (var6 == 1) 279 { 280 par1World.spawnParticle("smoke", var7 - var15, var9 + var13, var11, 0.0D, 0.0D, 0.0D); 281 par1World.spawnParticle("flame", var7 - var15, var9 + var13, var11, 0.0D, 0.0D, 0.0D); 282 } 283 else if (var6 == 2) 284 { 285 par1World.spawnParticle("smoke", var7 + var15, var9 + var13, var11, 0.0D, 0.0D, 0.0D); 286 par1World.spawnParticle("flame", var7 + var15, var9 + var13, var11, 0.0D, 0.0D, 0.0D); 287 } 288 else if (var6 == 3) 289 { 290 par1World.spawnParticle("smoke", var7, var9 + var13, var11 - var15, 0.0D, 0.0D, 0.0D); 291 par1World.spawnParticle("flame", var7, var9 + var13, var11 - var15, 0.0D, 0.0D, 0.0D); 292 } 293 else if (var6 == 4) 294 { 295 par1World.spawnParticle("smoke", var7, var9 + var13, var11 + var15, 0.0D, 0.0D, 0.0D); 296 par1World.spawnParticle("flame", var7, var9 + var13, var11 + var15, 0.0D, 0.0D, 0.0D); 297 } 298 else 299 { 300 par1World.spawnParticle("smoke", var7, var9, var11, 0.0D, 0.0D, 0.0D); 301 par1World.spawnParticle("flame", var7, var9, var11, 0.0D, 0.0D, 0.0D); 302 } 303 } 304 }