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.entity.EntityLiving;
008 import net.minecraft.entity.item.EntityItem;
009 import net.minecraft.entity.player.EntityPlayer;
010 import net.minecraft.item.ItemStack;
011 import net.minecraft.nbt.NBTTagCompound;
012 import net.minecraft.tileentity.TileEntity;
013 import net.minecraft.tileentity.TileEntityFurnace;
014 import net.minecraft.util.MathHelper;
015 import net.minecraft.world.IBlockAccess;
016 import net.minecraft.world.World;
017
018 public class BlockFurnace extends BlockContainer
019 {
020 /**
021 * Is the random generator used by furnace to drop the inventory contents in random directions.
022 */
023 private Random furnaceRand = new Random();
024
025 /** True if this is an active furnace, false if idle */
026 private final boolean isActive;
027
028 /**
029 * This flag is used to prevent the furnace inventory to be dropped upon block removal, is used internally when the
030 * furnace block changes from idle to active and vice-versa.
031 */
032 private static boolean keepFurnaceInventory = false;
033
034 protected BlockFurnace(int par1, boolean par2)
035 {
036 super(par1, Material.rock);
037 this.isActive = par2;
038 this.blockIndexInTexture = 45;
039 }
040
041 /**
042 * Returns the ID of the items to drop on destruction.
043 */
044 public int idDropped(int par1, Random par2Random, int par3)
045 {
046 return Block.stoneOvenIdle.blockID;
047 }
048
049 /**
050 * Called whenever the block is added into the world. Args: world, x, y, z
051 */
052 public void onBlockAdded(World par1World, int par2, int par3, int par4)
053 {
054 super.onBlockAdded(par1World, par2, par3, par4);
055 this.setDefaultDirection(par1World, par2, par3, par4);
056 }
057
058 /**
059 * set a blocks direction
060 */
061 private void setDefaultDirection(World par1World, int par2, int par3, int par4)
062 {
063 if (!par1World.isRemote)
064 {
065 int var5 = par1World.getBlockId(par2, par3, par4 - 1);
066 int var6 = par1World.getBlockId(par2, par3, par4 + 1);
067 int var7 = par1World.getBlockId(par2 - 1, par3, par4);
068 int var8 = par1World.getBlockId(par2 + 1, par3, par4);
069 byte var9 = 3;
070
071 if (Block.opaqueCubeLookup[var5] && !Block.opaqueCubeLookup[var6])
072 {
073 var9 = 3;
074 }
075
076 if (Block.opaqueCubeLookup[var6] && !Block.opaqueCubeLookup[var5])
077 {
078 var9 = 2;
079 }
080
081 if (Block.opaqueCubeLookup[var7] && !Block.opaqueCubeLookup[var8])
082 {
083 var9 = 5;
084 }
085
086 if (Block.opaqueCubeLookup[var8] && !Block.opaqueCubeLookup[var7])
087 {
088 var9 = 4;
089 }
090
091 par1World.setBlockMetadataWithNotify(par2, par3, par4, var9);
092 }
093 }
094
095 @SideOnly(Side.CLIENT)
096
097 /**
098 * Retrieves the block texture to use based on the display side. Args: iBlockAccess, x, y, z, side
099 */
100 public int getBlockTexture(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
101 {
102 if (par5 == 1)
103 {
104 return this.blockIndexInTexture + 17;
105 }
106 else if (par5 == 0)
107 {
108 return this.blockIndexInTexture + 17;
109 }
110 else
111 {
112 int var6 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
113 return par5 != var6 ? this.blockIndexInTexture : (this.isActive ? this.blockIndexInTexture + 16 : this.blockIndexInTexture - 1);
114 }
115 }
116
117 @SideOnly(Side.CLIENT)
118
119 /**
120 * A randomly called display update to be able to add particles or other items for display
121 */
122 public void randomDisplayTick(World par1World, int par2, int par3, int par4, Random par5Random)
123 {
124 if (this.isActive)
125 {
126 int var6 = par1World.getBlockMetadata(par2, par3, par4);
127 float var7 = (float)par2 + 0.5F;
128 float var8 = (float)par3 + 0.0F + par5Random.nextFloat() * 6.0F / 16.0F;
129 float var9 = (float)par4 + 0.5F;
130 float var10 = 0.52F;
131 float var11 = par5Random.nextFloat() * 0.6F - 0.3F;
132
133 if (var6 == 4)
134 {
135 par1World.spawnParticle("smoke", (double)(var7 - var10), (double)var8, (double)(var9 + var11), 0.0D, 0.0D, 0.0D);
136 par1World.spawnParticle("flame", (double)(var7 - var10), (double)var8, (double)(var9 + var11), 0.0D, 0.0D, 0.0D);
137 }
138 else if (var6 == 5)
139 {
140 par1World.spawnParticle("smoke", (double)(var7 + var10), (double)var8, (double)(var9 + var11), 0.0D, 0.0D, 0.0D);
141 par1World.spawnParticle("flame", (double)(var7 + var10), (double)var8, (double)(var9 + var11), 0.0D, 0.0D, 0.0D);
142 }
143 else if (var6 == 2)
144 {
145 par1World.spawnParticle("smoke", (double)(var7 + var11), (double)var8, (double)(var9 - var10), 0.0D, 0.0D, 0.0D);
146 par1World.spawnParticle("flame", (double)(var7 + var11), (double)var8, (double)(var9 - var10), 0.0D, 0.0D, 0.0D);
147 }
148 else if (var6 == 3)
149 {
150 par1World.spawnParticle("smoke", (double)(var7 + var11), (double)var8, (double)(var9 + var10), 0.0D, 0.0D, 0.0D);
151 par1World.spawnParticle("flame", (double)(var7 + var11), (double)var8, (double)(var9 + var10), 0.0D, 0.0D, 0.0D);
152 }
153 }
154 }
155
156 /**
157 * Returns the block texture based on the side being looked at. Args: side
158 */
159 public int getBlockTextureFromSide(int par1)
160 {
161 return par1 == 1 ? this.blockIndexInTexture + 17 : (par1 == 0 ? this.blockIndexInTexture + 17 : (par1 == 3 ? this.blockIndexInTexture - 1 : this.blockIndexInTexture));
162 }
163
164 /**
165 * Called upon block activation (right click on the block.)
166 */
167 public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
168 {
169 if (par1World.isRemote)
170 {
171 return true;
172 }
173 else
174 {
175 TileEntityFurnace var10 = (TileEntityFurnace)par1World.getBlockTileEntity(par2, par3, par4);
176
177 if (var10 != null)
178 {
179 par5EntityPlayer.displayGUIFurnace(var10);
180 }
181
182 return true;
183 }
184 }
185
186 /**
187 * Update which block ID the furnace is using depending on whether or not it is burning
188 */
189 public static void updateFurnaceBlockState(boolean par0, World par1World, int par2, int par3, int par4)
190 {
191 int var5 = par1World.getBlockMetadata(par2, par3, par4);
192 TileEntity var6 = par1World.getBlockTileEntity(par2, par3, par4);
193 keepFurnaceInventory = true;
194
195 if (par0)
196 {
197 par1World.setBlockWithNotify(par2, par3, par4, Block.stoneOvenActive.blockID);
198 }
199 else
200 {
201 par1World.setBlockWithNotify(par2, par3, par4, Block.stoneOvenIdle.blockID);
202 }
203
204 keepFurnaceInventory = false;
205 par1World.setBlockMetadataWithNotify(par2, par3, par4, var5);
206
207 if (var6 != null)
208 {
209 var6.validate();
210 par1World.setBlockTileEntity(par2, par3, par4, var6);
211 }
212 }
213
214 /**
215 * Returns a new instance of a block's tile entity class. Called on placing the block.
216 */
217 public TileEntity createNewTileEntity(World par1World)
218 {
219 return new TileEntityFurnace();
220 }
221
222 /**
223 * Called when the block is placed in the world.
224 */
225 public void onBlockPlacedBy(World par1World, int par2, int par3, int par4, EntityLiving par5EntityLiving)
226 {
227 int var6 = MathHelper.floor_double((double)(par5EntityLiving.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3;
228
229 if (var6 == 0)
230 {
231 par1World.setBlockMetadataWithNotify(par2, par3, par4, 2);
232 }
233
234 if (var6 == 1)
235 {
236 par1World.setBlockMetadataWithNotify(par2, par3, par4, 5);
237 }
238
239 if (var6 == 2)
240 {
241 par1World.setBlockMetadataWithNotify(par2, par3, par4, 3);
242 }
243
244 if (var6 == 3)
245 {
246 par1World.setBlockMetadataWithNotify(par2, par3, par4, 4);
247 }
248 }
249
250 /**
251 * ejects contained items into the world, and notifies neighbours of an update, as appropriate
252 */
253 public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
254 {
255 if (!keepFurnaceInventory)
256 {
257 TileEntityFurnace var7 = (TileEntityFurnace)par1World.getBlockTileEntity(par2, par3, par4);
258
259 if (var7 != null)
260 {
261 for (int var8 = 0; var8 < var7.getSizeInventory(); ++var8)
262 {
263 ItemStack var9 = var7.getStackInSlot(var8);
264
265 if (var9 != null)
266 {
267 float var10 = this.furnaceRand.nextFloat() * 0.8F + 0.1F;
268 float var11 = this.furnaceRand.nextFloat() * 0.8F + 0.1F;
269 float var12 = this.furnaceRand.nextFloat() * 0.8F + 0.1F;
270
271 while (var9.stackSize > 0)
272 {
273 int var13 = this.furnaceRand.nextInt(21) + 10;
274
275 if (var13 > var9.stackSize)
276 {
277 var13 = var9.stackSize;
278 }
279
280 var9.stackSize -= var13;
281 EntityItem var14 = new EntityItem(par1World, (double)((float)par2 + var10), (double)((float)par3 + var11), (double)((float)par4 + var12), new ItemStack(var9.itemID, var13, var9.getItemDamage()));
282
283 if (var9.hasTagCompound())
284 {
285 var14.func_92014_d().setTagCompound((NBTTagCompound)var9.getTagCompound().copy());
286 }
287
288 float var15 = 0.05F;
289 var14.motionX = (double)((float)this.furnaceRand.nextGaussian() * var15);
290 var14.motionY = (double)((float)this.furnaceRand.nextGaussian() * var15 + 0.2F);
291 var14.motionZ = (double)((float)this.furnaceRand.nextGaussian() * var15);
292 par1World.spawnEntityInWorld(var14);
293 }
294 }
295 }
296 }
297 }
298
299 super.breakBlock(par1World, par2, par3, par4, par5, par6);
300 }
301 }