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.List;
006 import java.util.Random;
007
008 public class BlockTripWire extends Block
009 {
010 public BlockTripWire(int par1)
011 {
012 super(par1, 173, Material.circuits);
013 this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.15625F, 1.0F);
014 this.setTickRandomly(true);
015 }
016
017 /**
018 * How many world ticks before ticking
019 */
020 public int tickRate()
021 {
022 return 10;
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 @SideOnly(Side.CLIENT)
052
053 /**
054 * Returns which pass should this block be rendered on. 0 for solids and 1 for alpha
055 */
056 public int getRenderBlockPass()
057 {
058 return 1;
059 }
060
061 /**
062 * The type of render function that is called for this block
063 */
064 public int getRenderType()
065 {
066 return 30;
067 }
068
069 /**
070 * Returns the ID of the items to drop on destruction.
071 */
072 public int idDropped(int par1, Random par2Random, int par3)
073 {
074 return Item.silk.shiftedIndex;
075 }
076
077 @SideOnly(Side.CLIENT)
078
079 /**
080 * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
081 */
082 public int idPicked(World par1World, int par2, int par3, int par4)
083 {
084 return Item.silk.shiftedIndex;
085 }
086
087 /**
088 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
089 * their own) Args: x, y, z, neighbor blockID
090 */
091 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
092 {
093 int var6 = par1World.getBlockMetadata(par2, par3, par4);
094 boolean var7 = (var6 & 2) == 2;
095 boolean var8 = !par1World.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4);
096
097 if (var7 != var8)
098 {
099 this.dropBlockAsItem(par1World, par2, par3, par4, var6, 0);
100 par1World.setBlockWithNotify(par2, par3, par4, 0);
101 }
102 }
103
104 /**
105 * Updates the blocks bounds based on its current state. Args: world, x, y, z
106 */
107 public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
108 {
109 int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
110 boolean var6 = (var5 & 4) == 4;
111 boolean var7 = (var5 & 2) == 2;
112
113 if (!var7)
114 {
115 this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.09375F, 1.0F);
116 }
117 else if (!var6)
118 {
119 this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.5F, 1.0F);
120 }
121 else
122 {
123 this.setBlockBounds(0.0F, 0.0625F, 0.0F, 1.0F, 0.15625F, 1.0F);
124 }
125 }
126
127 /**
128 * Called whenever the block is added into the world. Args: world, x, y, z
129 */
130 public void onBlockAdded(World par1World, int par2, int par3, int par4)
131 {
132 int var5 = par1World.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4) ? 0 : 2;
133 par1World.setBlockMetadataWithNotify(par2, par3, par4, var5);
134 this.func_72149_e(par1World, par2, par3, par4, var5);
135 }
136
137 /**
138 * ejects contained items into the world, and notifies neighbours of an update, as appropriate
139 */
140 public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
141 {
142 this.func_72149_e(par1World, par2, par3, par4, par6 | 1);
143 }
144
145 /**
146 * Called when the block is attempted to be harvested
147 */
148 public void onBlockHarvested(World par1World, int par2, int par3, int par4, int par5, EntityPlayer par6EntityPlayer)
149 {
150 if (!par1World.isRemote)
151 {
152 if (par6EntityPlayer.getCurrentEquippedItem() != null && par6EntityPlayer.getCurrentEquippedItem().itemID == Item.shears.shiftedIndex)
153 {
154 par1World.setBlockMetadataWithNotify(par2, par3, par4, par5 | 8);
155 }
156 }
157 }
158
159 private void func_72149_e(World par1World, int par2, int par3, int par4, int par5)
160 {
161 int var6 = 0;
162
163 while (var6 < 2)
164 {
165 int var7 = 1;
166
167 while (true)
168 {
169 if (var7 < 42)
170 {
171 int var8 = par2 + Direction.offsetX[var6] * var7;
172 int var9 = par4 + Direction.offsetZ[var6] * var7;
173 int var10 = par1World.getBlockId(var8, par3, var9);
174
175 if (var10 == Block.tripWireSource.blockID)
176 {
177 int var11 = par1World.getBlockMetadata(var8, par3, var9) & 3;
178
179 if (var11 == Direction.footInvisibleFaceRemap[var6])
180 {
181 Block.tripWireSource.func_72143_a(par1World, var8, par3, var9, var10, par1World.getBlockMetadata(var8, par3, var9), true, var7, par5);
182 }
183 }
184 else if (var10 == Block.tripWire.blockID)
185 {
186 ++var7;
187 continue;
188 }
189 }
190
191 ++var6;
192 break;
193 }
194 }
195 }
196
197 /**
198 * Triggered whenever an entity collides with this block (enters into the block). Args: world, x, y, z, entity
199 */
200 public void onEntityCollidedWithBlock(World par1World, int par2, int par3, int par4, Entity par5Entity)
201 {
202 if (!par1World.isRemote)
203 {
204 if ((par1World.getBlockMetadata(par2, par3, par4) & 1) != 1)
205 {
206 this.updateTripWireState(par1World, par2, par3, par4);
207 }
208 }
209 }
210
211 /**
212 * Ticks the block if it's been scheduled
213 */
214 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
215 {
216 if (!par1World.isRemote)
217 {
218 if ((par1World.getBlockMetadata(par2, par3, par4) & 1) == 1)
219 {
220 this.updateTripWireState(par1World, par2, par3, par4);
221 }
222 }
223 }
224
225 private void updateTripWireState(World par1World, int par2, int par3, int par4)
226 {
227 int var5 = par1World.getBlockMetadata(par2, par3, par4);
228 boolean var6 = (var5 & 1) == 1;
229 boolean var7 = false;
230 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));
231
232 if (!var8.isEmpty())
233 {
234 var7 = true;
235 }
236
237 if (var7 && !var6)
238 {
239 var5 |= 1;
240 }
241
242 if (!var7 && var6)
243 {
244 var5 &= -2;
245 }
246
247 if (var7 != var6)
248 {
249 par1World.setBlockMetadataWithNotify(par2, par3, par4, var5);
250 this.func_72149_e(par1World, par2, par3, par4, var5);
251 }
252
253 if (var7)
254 {
255 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate());
256 }
257 }
258
259 @SideOnly(Side.CLIENT)
260 public static boolean func_72148_a(IBlockAccess par0IBlockAccess, int par1, int par2, int par3, int par4, int par5)
261 {
262 int var6 = par1 + Direction.offsetX[par5];
263 int var8 = par3 + Direction.offsetZ[par5];
264 int var9 = par0IBlockAccess.getBlockId(var6, par2, var8);
265 boolean var10 = (par4 & 2) == 2;
266 int var11;
267
268 if (var9 == Block.tripWireSource.blockID)
269 {
270 var11 = par0IBlockAccess.getBlockMetadata(var6, par2, var8);
271 int var13 = var11 & 3;
272 return var13 == Direction.footInvisibleFaceRemap[par5];
273 }
274 else if (var9 == Block.tripWire.blockID)
275 {
276 var11 = par0IBlockAccess.getBlockMetadata(var6, par2, var8);
277 boolean var12 = (var11 & 2) == 2;
278 return var10 == var12;
279 }
280 else
281 {
282 return false;
283 }
284 }
285 }