001 package net.minecraft.block;
002
003 import cpw.mods.fml.common.Side;
004 import cpw.mods.fml.common.asm.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 }