001 package net.minecraft.src; 002 003 import cpw.mods.fml.common.Side; 004 import cpw.mods.fml.common.asm.SideOnly; 005 import java.util.Random; 006 007 public class BlockFurnace extends BlockContainer 008 { 009 /** 010 * Is the random generator used by furnace to drop the inventory contents in random directions. 011 */ 012 private Random furnaceRand = new Random(); 013 014 /** True if this is an active furnace, false if idle */ 015 private final boolean isActive; 016 017 /** 018 * This flag is used to prevent the furnace inventory to be dropped upon block removal, is used internally when the 019 * furnace block changes from idle to active and vice-versa. 020 */ 021 private static boolean keepFurnaceInventory = false; 022 023 protected BlockFurnace(int par1, boolean par2) 024 { 025 super(par1, Material.rock); 026 this.isActive = par2; 027 this.blockIndexInTexture = 45; 028 } 029 030 /** 031 * Returns the ID of the items to drop on destruction. 032 */ 033 public int idDropped(int par1, Random par2Random, int par3) 034 { 035 return Block.stoneOvenIdle.blockID; 036 } 037 038 /** 039 * Called whenever the block is added into the world. Args: world, x, y, z 040 */ 041 public void onBlockAdded(World par1World, int par2, int par3, int par4) 042 { 043 super.onBlockAdded(par1World, par2, par3, par4); 044 this.setDefaultDirection(par1World, par2, par3, par4); 045 } 046 047 /** 048 * set a blocks direction 049 */ 050 private void setDefaultDirection(World par1World, int par2, int par3, int par4) 051 { 052 if (!par1World.isRemote) 053 { 054 int var5 = par1World.getBlockId(par2, par3, par4 - 1); 055 int var6 = par1World.getBlockId(par2, par3, par4 + 1); 056 int var7 = par1World.getBlockId(par2 - 1, par3, par4); 057 int var8 = par1World.getBlockId(par2 + 1, par3, par4); 058 byte var9 = 3; 059 060 if (Block.opaqueCubeLookup[var5] && !Block.opaqueCubeLookup[var6]) 061 { 062 var9 = 3; 063 } 064 065 if (Block.opaqueCubeLookup[var6] && !Block.opaqueCubeLookup[var5]) 066 { 067 var9 = 2; 068 } 069 070 if (Block.opaqueCubeLookup[var7] && !Block.opaqueCubeLookup[var8]) 071 { 072 var9 = 5; 073 } 074 075 if (Block.opaqueCubeLookup[var8] && !Block.opaqueCubeLookup[var7]) 076 { 077 var9 = 4; 078 } 079 080 par1World.setBlockMetadataWithNotify(par2, par3, par4, var9); 081 } 082 } 083 084 @SideOnly(Side.CLIENT) 085 086 /** 087 * Retrieves the block texture to use based on the display side. Args: iBlockAccess, x, y, z, side 088 */ 089 public int getBlockTexture(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5) 090 { 091 if (par5 == 1) 092 { 093 return this.blockIndexInTexture + 17; 094 } 095 else if (par5 == 0) 096 { 097 return this.blockIndexInTexture + 17; 098 } 099 else 100 { 101 int var6 = par1IBlockAccess.getBlockMetadata(par2, par3, par4); 102 return par5 != var6 ? this.blockIndexInTexture : (this.isActive ? this.blockIndexInTexture + 16 : this.blockIndexInTexture - 1); 103 } 104 } 105 106 @SideOnly(Side.CLIENT) 107 108 /** 109 * A randomly called display update to be able to add particles or other items for display 110 */ 111 public void randomDisplayTick(World par1World, int par2, int par3, int par4, Random par5Random) 112 { 113 if (this.isActive) 114 { 115 int var6 = par1World.getBlockMetadata(par2, par3, par4); 116 float var7 = (float)par2 + 0.5F; 117 float var8 = (float)par3 + 0.0F + par5Random.nextFloat() * 6.0F / 16.0F; 118 float var9 = (float)par4 + 0.5F; 119 float var10 = 0.52F; 120 float var11 = par5Random.nextFloat() * 0.6F - 0.3F; 121 122 if (var6 == 4) 123 { 124 par1World.spawnParticle("smoke", (double)(var7 - var10), (double)var8, (double)(var9 + var11), 0.0D, 0.0D, 0.0D); 125 par1World.spawnParticle("flame", (double)(var7 - var10), (double)var8, (double)(var9 + var11), 0.0D, 0.0D, 0.0D); 126 } 127 else if (var6 == 5) 128 { 129 par1World.spawnParticle("smoke", (double)(var7 + var10), (double)var8, (double)(var9 + var11), 0.0D, 0.0D, 0.0D); 130 par1World.spawnParticle("flame", (double)(var7 + var10), (double)var8, (double)(var9 + var11), 0.0D, 0.0D, 0.0D); 131 } 132 else if (var6 == 2) 133 { 134 par1World.spawnParticle("smoke", (double)(var7 + var11), (double)var8, (double)(var9 - var10), 0.0D, 0.0D, 0.0D); 135 par1World.spawnParticle("flame", (double)(var7 + var11), (double)var8, (double)(var9 - var10), 0.0D, 0.0D, 0.0D); 136 } 137 else if (var6 == 3) 138 { 139 par1World.spawnParticle("smoke", (double)(var7 + var11), (double)var8, (double)(var9 + var10), 0.0D, 0.0D, 0.0D); 140 par1World.spawnParticle("flame", (double)(var7 + var11), (double)var8, (double)(var9 + var10), 0.0D, 0.0D, 0.0D); 141 } 142 } 143 } 144 145 /** 146 * Returns the block texture based on the side being looked at. Args: side 147 */ 148 public int getBlockTextureFromSide(int par1) 149 { 150 return par1 == 1 ? this.blockIndexInTexture + 17 : (par1 == 0 ? this.blockIndexInTexture + 17 : (par1 == 3 ? this.blockIndexInTexture - 1 : this.blockIndexInTexture)); 151 } 152 153 /** 154 * Called upon block activation (right click on the block.) 155 */ 156 public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9) 157 { 158 if (par1World.isRemote) 159 { 160 return true; 161 } 162 else 163 { 164 TileEntityFurnace var10 = (TileEntityFurnace)par1World.getBlockTileEntity(par2, par3, par4); 165 166 if (var10 != null) 167 { 168 par5EntityPlayer.displayGUIFurnace(var10); 169 } 170 171 return true; 172 } 173 } 174 175 /** 176 * Update which block ID the furnace is using depending on whether or not it is burning 177 */ 178 public static void updateFurnaceBlockState(boolean par0, World par1World, int par2, int par3, int par4) 179 { 180 int var5 = par1World.getBlockMetadata(par2, par3, par4); 181 TileEntity var6 = par1World.getBlockTileEntity(par2, par3, par4); 182 keepFurnaceInventory = true; 183 184 if (par0) 185 { 186 par1World.setBlockWithNotify(par2, par3, par4, Block.stoneOvenActive.blockID); 187 } 188 else 189 { 190 par1World.setBlockWithNotify(par2, par3, par4, Block.stoneOvenIdle.blockID); 191 } 192 193 keepFurnaceInventory = false; 194 par1World.setBlockMetadataWithNotify(par2, par3, par4, var5); 195 196 if (var6 != null) 197 { 198 var6.validate(); 199 par1World.setBlockTileEntity(par2, par3, par4, var6); 200 } 201 } 202 203 /** 204 * Returns a new instance of a block's tile entity class. Called on placing the block. 205 */ 206 public TileEntity createNewTileEntity(World par1World) 207 { 208 return new TileEntityFurnace(); 209 } 210 211 /** 212 * Called when the block is placed in the world. 213 */ 214 public void onBlockPlacedBy(World par1World, int par2, int par3, int par4, EntityLiving par5EntityLiving) 215 { 216 int var6 = MathHelper.floor_double((double)(par5EntityLiving.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3; 217 218 if (var6 == 0) 219 { 220 par1World.setBlockMetadataWithNotify(par2, par3, par4, 2); 221 } 222 223 if (var6 == 1) 224 { 225 par1World.setBlockMetadataWithNotify(par2, par3, par4, 5); 226 } 227 228 if (var6 == 2) 229 { 230 par1World.setBlockMetadataWithNotify(par2, par3, par4, 3); 231 } 232 233 if (var6 == 3) 234 { 235 par1World.setBlockMetadataWithNotify(par2, par3, par4, 4); 236 } 237 } 238 239 /** 240 * ejects contained items into the world, and notifies neighbours of an update, as appropriate 241 */ 242 public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6) 243 { 244 if (!keepFurnaceInventory) 245 { 246 TileEntityFurnace var7 = (TileEntityFurnace)par1World.getBlockTileEntity(par2, par3, par4); 247 248 if (var7 != null) 249 { 250 for (int var8 = 0; var8 < var7.getSizeInventory(); ++var8) 251 { 252 ItemStack var9 = var7.getStackInSlot(var8); 253 254 if (var9 != null) 255 { 256 float var10 = this.furnaceRand.nextFloat() * 0.8F + 0.1F; 257 float var11 = this.furnaceRand.nextFloat() * 0.8F + 0.1F; 258 float var12 = this.furnaceRand.nextFloat() * 0.8F + 0.1F; 259 260 while (var9.stackSize > 0) 261 { 262 int var13 = this.furnaceRand.nextInt(21) + 10; 263 264 if (var13 > var9.stackSize) 265 { 266 var13 = var9.stackSize; 267 } 268 269 var9.stackSize -= var13; 270 EntityItem var14 = new EntityItem(par1World, (double)((float)par2 + var10), (double)((float)par3 + var11), (double)((float)par4 + var12), new ItemStack(var9.itemID, var13, var9.getItemDamage())); 271 272 if (var9.hasTagCompound()) 273 { 274 var14.item.setTagCompound((NBTTagCompound)var9.getTagCompound().copy()); 275 } 276 277 float var15 = 0.05F; 278 var14.motionX = (double)((float)this.furnaceRand.nextGaussian() * var15); 279 var14.motionY = (double)((float)this.furnaceRand.nextGaussian() * var15 + 0.2F); 280 var14.motionZ = (double)((float)this.furnaceRand.nextGaussian() * var15); 281 par1World.spawnEntityInWorld(var14); 282 } 283 } 284 } 285 } 286 } 287 288 super.breakBlock(par1World, par2, par3, par4, par5, par6); 289 } 290 }