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 /**
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 var10 = par9;
093
094 if (par5 == 1 && this.canPlaceTorchOn(par1World, par2, par3 - 1, par4))
095 {
096 var10 = 5;
097 }
098
099 if (par5 == 2 && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH, true))
100 {
101 var10 = 4;
102 }
103
104 if (par5 == 3 && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH, true))
105 {
106 var10 = 3;
107 }
108
109 if (par5 == 4 && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST, true))
110 {
111 var10 = 2;
112 }
113
114 if (par5 == 5 && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST, true))
115 {
116 var10 = 1;
117 }
118
119 return var10;
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);
145 }
146 else if (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST, true))
147 {
148 par1World.setBlockMetadataWithNotify(par2, par3, par4, 2);
149 }
150 else if (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH, true))
151 {
152 par1World.setBlockMetadataWithNotify(par2, par3, par4, 3);
153 }
154 else if (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH, true))
155 {
156 par1World.setBlockMetadataWithNotify(par2, par3, par4, 4);
157 }
158 else if (this.canPlaceTorchOn(par1World, par2, par3 - 1, par4))
159 {
160 par1World.setBlockMetadataWithNotify(par2, par3, par4, 5);
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 if (this.dropTorchIfCantStay(par1World, par2, par3, par4))
174 {
175 int var6 = par1World.getBlockMetadata(par2, par3, par4);
176 boolean var7 = false;
177
178 if (!par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST, true) && var6 == 1)
179 {
180 var7 = true;
181 }
182
183 if (!par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST, true) && var6 == 2)
184 {
185 var7 = true;
186 }
187
188 if (!par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH, true) && var6 == 3)
189 {
190 var7 = true;
191 }
192
193 if (!par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH, true) && var6 == 4)
194 {
195 var7 = true;
196 }
197
198 if (!this.canPlaceTorchOn(par1World, par2, par3 - 1, par4) && var6 == 5)
199 {
200 var7 = true;
201 }
202
203 if (var7)
204 {
205 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
206 par1World.setBlockWithNotify(par2, par3, par4, 0);
207 }
208 }
209 }
210
211 /**
212 * Tests if the block can remain at its current location and will drop as an item if it is unable to stay. Returns
213 * True if it can stay and False if it drops. Args: world, x, y, z
214 */
215 private boolean dropTorchIfCantStay(World par1World, int par2, int par3, int par4)
216 {
217 if (!this.canPlaceBlockAt(par1World, par2, par3, par4))
218 {
219 if (par1World.getBlockId(par2, par3, par4) == this.blockID)
220 {
221 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
222 par1World.setBlockWithNotify(par2, par3, par4, 0);
223 }
224
225 return false;
226 }
227 else
228 {
229 return true;
230 }
231 }
232
233 /**
234 * Ray traces through the blocks collision from start vector to end vector returning a ray trace hit. Args: world,
235 * x, y, z, startVec, endVec
236 */
237 public MovingObjectPosition collisionRayTrace(World par1World, int par2, int par3, int par4, Vec3 par5Vec3, Vec3 par6Vec3)
238 {
239 int var7 = par1World.getBlockMetadata(par2, par3, par4) & 7;
240 float var8 = 0.15F;
241
242 if (var7 == 1)
243 {
244 this.setBlockBounds(0.0F, 0.2F, 0.5F - var8, var8 * 2.0F, 0.8F, 0.5F + var8);
245 }
246 else if (var7 == 2)
247 {
248 this.setBlockBounds(1.0F - var8 * 2.0F, 0.2F, 0.5F - var8, 1.0F, 0.8F, 0.5F + var8);
249 }
250 else if (var7 == 3)
251 {
252 this.setBlockBounds(0.5F - var8, 0.2F, 0.0F, 0.5F + var8, 0.8F, var8 * 2.0F);
253 }
254 else if (var7 == 4)
255 {
256 this.setBlockBounds(0.5F - var8, 0.2F, 1.0F - var8 * 2.0F, 0.5F + var8, 0.8F, 1.0F);
257 }
258 else
259 {
260 var8 = 0.1F;
261 this.setBlockBounds(0.5F - var8, 0.0F, 0.5F - var8, 0.5F + var8, 0.6F, 0.5F + var8);
262 }
263
264 return super.collisionRayTrace(par1World, par2, par3, par4, par5Vec3, par6Vec3);
265 }
266
267 @SideOnly(Side.CLIENT)
268
269 /**
270 * A randomly called display update to be able to add particles or other items for display
271 */
272 public void randomDisplayTick(World par1World, int par2, int par3, int par4, Random par5Random)
273 {
274 int var6 = par1World.getBlockMetadata(par2, par3, par4);
275 double var7 = (double)((float)par2 + 0.5F);
276 double var9 = (double)((float)par3 + 0.7F);
277 double var11 = (double)((float)par4 + 0.5F);
278 double var13 = 0.2199999988079071D;
279 double var15 = 0.27000001072883606D;
280
281 if (var6 == 1)
282 {
283 par1World.spawnParticle("smoke", var7 - var15, var9 + var13, var11, 0.0D, 0.0D, 0.0D);
284 par1World.spawnParticle("flame", var7 - var15, var9 + var13, var11, 0.0D, 0.0D, 0.0D);
285 }
286 else if (var6 == 2)
287 {
288 par1World.spawnParticle("smoke", var7 + var15, var9 + var13, var11, 0.0D, 0.0D, 0.0D);
289 par1World.spawnParticle("flame", var7 + var15, var9 + var13, var11, 0.0D, 0.0D, 0.0D);
290 }
291 else if (var6 == 3)
292 {
293 par1World.spawnParticle("smoke", var7, var9 + var13, var11 - var15, 0.0D, 0.0D, 0.0D);
294 par1World.spawnParticle("flame", var7, var9 + var13, var11 - var15, 0.0D, 0.0D, 0.0D);
295 }
296 else if (var6 == 4)
297 {
298 par1World.spawnParticle("smoke", var7, var9 + var13, var11 + var15, 0.0D, 0.0D, 0.0D);
299 par1World.spawnParticle("flame", var7, var9 + var13, var11 + var15, 0.0D, 0.0D, 0.0D);
300 }
301 else
302 {
303 par1World.spawnParticle("smoke", var7, var9, var11, 0.0D, 0.0D, 0.0D);
304 par1World.spawnParticle("flame", var7, var9, var11, 0.0D, 0.0D, 0.0D);
305 }
306 }
307 }