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 }