001 package net.minecraft.block;
002
003 import cpw.mods.fml.relauncher.Side;
004 import cpw.mods.fml.relauncher.SideOnly;
005 import java.util.Iterator;
006 import java.util.List;
007 import java.util.Random;
008 import net.minecraft.block.material.Material;
009 import net.minecraft.entity.Entity;
010 import net.minecraft.entity.player.EntityPlayer;
011 import net.minecraft.item.Item;
012 import net.minecraft.util.AxisAlignedBB;
013 import net.minecraft.util.Direction;
014 import net.minecraft.world.IBlockAccess;
015 import net.minecraft.world.World;
016
017 public class BlockTripWire extends Block
018 {
019 public BlockTripWire(int par1)
020 {
021 super(par1, 173, Material.circuits);
022 this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.15625F, 1.0F);
023 this.setTickRandomly(true);
024 }
025
026 /**
027 * How many world ticks before ticking
028 */
029 public int tickRate()
030 {
031 return 10;
032 }
033
034 /**
035 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
036 * cleared to be reused)
037 */
038 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
039 {
040 return null;
041 }
042
043 /**
044 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two
045 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
046 */
047 public boolean isOpaqueCube()
048 {
049 return false;
050 }
051
052 /**
053 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
054 */
055 public boolean renderAsNormalBlock()
056 {
057 return false;
058 }
059
060 @SideOnly(Side.CLIENT)
061
062 /**
063 * Returns which pass should this block be rendered on. 0 for solids and 1 for alpha
064 */
065 public int getRenderBlockPass()
066 {
067 return 1;
068 }
069
070 /**
071 * The type of render function that is called for this block
072 */
073 public int getRenderType()
074 {
075 return 30;
076 }
077
078 /**
079 * Returns the ID of the items to drop on destruction.
080 */
081 public int idDropped(int par1, Random par2Random, int par3)
082 {
083 return Item.silk.itemID;
084 }
085
086 @SideOnly(Side.CLIENT)
087
088 /**
089 * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
090 */
091 public int idPicked(World par1World, int par2, int par3, int par4)
092 {
093 return Item.silk.itemID;
094 }
095
096 /**
097 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
098 * their own) Args: x, y, z, neighbor blockID
099 */
100 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
101 {
102 int var6 = par1World.getBlockMetadata(par2, par3, par4);
103 boolean var7 = (var6 & 2) == 2;
104 boolean var8 = !par1World.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4);
105
106 if (var7 != var8)
107 {
108 this.dropBlockAsItem(par1World, par2, par3, par4, var6, 0);
109 par1World.setBlockWithNotify(par2, par3, par4, 0);
110 }
111 }
112
113 /**
114 * Updates the blocks bounds based on its current state. Args: world, x, y, z
115 */
116 public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
117 {
118 int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
119 boolean var6 = (var5 & 4) == 4;
120 boolean var7 = (var5 & 2) == 2;
121
122 if (!var7)
123 {
124 this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.09375F, 1.0F);
125 }
126 else if (!var6)
127 {
128 this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.5F, 1.0F);
129 }
130 else
131 {
132 this.setBlockBounds(0.0F, 0.0625F, 0.0F, 1.0F, 0.15625F, 1.0F);
133 }
134 }
135
136 /**
137 * Called whenever the block is added into the world. Args: world, x, y, z
138 */
139 public void onBlockAdded(World par1World, int par2, int par3, int par4)
140 {
141 int var5 = par1World.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4) ? 0 : 2;
142 par1World.setBlockMetadataWithNotify(par2, par3, par4, var5);
143 this.func_72149_e(par1World, par2, par3, par4, var5);
144 }
145
146 /**
147 * ejects contained items into the world, and notifies neighbours of an update, as appropriate
148 */
149 public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
150 {
151 this.func_72149_e(par1World, par2, par3, par4, par6 | 1);
152 }
153
154 /**
155 * Called when the block is attempted to be harvested
156 */
157 public void onBlockHarvested(World par1World, int par2, int par3, int par4, int par5, EntityPlayer par6EntityPlayer)
158 {
159 if (!par1World.isRemote)
160 {
161 if (par6EntityPlayer.getCurrentEquippedItem() != null && par6EntityPlayer.getCurrentEquippedItem().itemID == Item.shears.itemID)
162 {
163 par1World.setBlockMetadataWithNotify(par2, par3, par4, par5 | 8);
164 }
165 }
166 }
167
168 private void func_72149_e(World par1World, int par2, int par3, int par4, int par5)
169 {
170 int var6 = 0;
171
172 while (var6 < 2)
173 {
174 int var7 = 1;
175
176 while (true)
177 {
178 if (var7 < 42)
179 {
180 int var8 = par2 + Direction.offsetX[var6] * var7;
181 int var9 = par4 + Direction.offsetZ[var6] * var7;
182 int var10 = par1World.getBlockId(var8, par3, var9);
183
184 if (var10 == Block.tripWireSource.blockID)
185 {
186 int var11 = par1World.getBlockMetadata(var8, par3, var9) & 3;
187
188 if (var11 == Direction.footInvisibleFaceRemap[var6])
189 {
190 Block.tripWireSource.func_72143_a(par1World, var8, par3, var9, var10, par1World.getBlockMetadata(var8, par3, var9), true, var7, par5);
191 }
192 }
193 else if (var10 == Block.tripWire.blockID)
194 {
195 ++var7;
196 continue;
197 }
198 }
199
200 ++var6;
201 break;
202 }
203 }
204 }
205
206 /**
207 * Triggered whenever an entity collides with this block (enters into the block). Args: world, x, y, z, entity
208 */
209 public void onEntityCollidedWithBlock(World par1World, int par2, int par3, int par4, Entity par5Entity)
210 {
211 if (!par1World.isRemote)
212 {
213 if ((par1World.getBlockMetadata(par2, par3, par4) & 1) != 1)
214 {
215 this.updateTripWireState(par1World, par2, par3, par4);
216 }
217 }
218 }
219
220 /**
221 * Ticks the block if it's been scheduled
222 */
223 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
224 {
225 if (!par1World.isRemote)
226 {
227 if ((par1World.getBlockMetadata(par2, par3, par4) & 1) == 1)
228 {
229 this.updateTripWireState(par1World, par2, par3, par4);
230 }
231 }
232 }
233
234 private void updateTripWireState(World par1World, int par2, int par3, int par4)
235 {
236 int var5 = par1World.getBlockMetadata(par2, par3, par4);
237 boolean var6 = (var5 & 1) == 1;
238 boolean var7 = false;
239 List var8 = par1World.getEntitiesWithinAABBExcludingEntity((Entity)null, AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)par2 + this.minX, (double)par3 + this.minY, (double)par4 + this.minZ, (double)par2 + this.maxX, (double)par3 + this.maxY, (double)par4 + this.maxZ));
240
241 if (!var8.isEmpty())
242 {
243 Iterator var9 = var8.iterator();
244
245 while (var9.hasNext())
246 {
247 Entity var10 = (Entity)var9.next();
248
249 if (!var10.doesEntityNotTriggerPressurePlate())
250 {
251 var7 = true;
252 break;
253 }
254 }
255 }
256
257 if (var7 && !var6)
258 {
259 var5 |= 1;
260 }
261
262 if (!var7 && var6)
263 {
264 var5 &= -2;
265 }
266
267 if (var7 != var6)
268 {
269 par1World.setBlockMetadataWithNotify(par2, par3, par4, var5);
270 this.func_72149_e(par1World, par2, par3, par4, var5);
271 }
272
273 if (var7)
274 {
275 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate());
276 }
277 }
278
279 @SideOnly(Side.CLIENT)
280 public static boolean func_72148_a(IBlockAccess par0IBlockAccess, int par1, int par2, int par3, int par4, int par5)
281 {
282 int var6 = par1 + Direction.offsetX[par5];
283 int var8 = par3 + Direction.offsetZ[par5];
284 int var9 = par0IBlockAccess.getBlockId(var6, par2, var8);
285 boolean var10 = (par4 & 2) == 2;
286 int var11;
287
288 if (var9 == Block.tripWireSource.blockID)
289 {
290 var11 = par0IBlockAccess.getBlockMetadata(var6, par2, var8);
291 int var13 = var11 & 3;
292 return var13 == Direction.footInvisibleFaceRemap[par5];
293 }
294 else if (var9 == Block.tripWire.blockID)
295 {
296 var11 = par0IBlockAccess.getBlockMetadata(var6, par2, var8);
297 boolean var12 = (var11 & 2) == 2;
298 return var10 == var12;
299 }
300 else
301 {
302 return false;
303 }
304 }
305 }