001package net.minecraft.block;
002
003import cpw.mods.fml.relauncher.Side;
004import cpw.mods.fml.relauncher.SideOnly;
005import java.util.Iterator;
006import java.util.List;
007import java.util.Random;
008import net.minecraft.block.material.Material;
009import net.minecraft.entity.Entity;
010import net.minecraft.entity.player.EntityPlayer;
011import net.minecraft.item.Item;
012import net.minecraft.util.AxisAlignedBB;
013import net.minecraft.util.Direction;
014import net.minecraft.world.IBlockAccess;
015import net.minecraft.world.World;
016
017public class BlockTripWire extends Block
018{
019    public BlockTripWire(int par1)
020    {
021        super(par1, 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(World par1World)
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    /**
087     * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
088     * their own) Args: x, y, z, neighbor blockID
089     */
090    public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
091    {
092        int i1 = par1World.getBlockMetadata(par2, par3, par4);
093        boolean flag = (i1 & 2) == 2;
094        boolean flag1 = !par1World.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4);
095
096        if (flag != flag1)
097        {
098            this.dropBlockAsItem(par1World, par2, par3, par4, i1, 0);
099            par1World.func_94571_i(par2, par3, par4);
100        }
101    }
102
103    /**
104     * Updates the blocks bounds based on its current state. Args: world, x, y, z
105     */
106    public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
107    {
108        int l = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
109        boolean flag = (l & 4) == 4;
110        boolean flag1 = (l & 2) == 2;
111
112        if (!flag1)
113        {
114            this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.09375F, 1.0F);
115        }
116        else if (!flag)
117        {
118            this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.5F, 1.0F);
119        }
120        else
121        {
122            this.setBlockBounds(0.0F, 0.0625F, 0.0F, 1.0F, 0.15625F, 1.0F);
123        }
124    }
125
126    /**
127     * Called whenever the block is added into the world. Args: world, x, y, z
128     */
129    public void onBlockAdded(World par1World, int par2, int par3, int par4)
130    {
131        int l = par1World.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4) ? 0 : 2;
132        par1World.setBlockMetadataWithNotify(par2, par3, par4, l, 3);
133        this.func_72149_e(par1World, par2, par3, par4, l);
134    }
135
136    /**
137     * ejects contained items into the world, and notifies neighbours of an update, as appropriate
138     */
139    public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
140    {
141        this.func_72149_e(par1World, par2, par3, par4, par6 | 1);
142    }
143
144    /**
145     * Called when the block is attempted to be harvested
146     */
147    public void onBlockHarvested(World par1World, int par2, int par3, int par4, int par5, EntityPlayer par6EntityPlayer)
148    {
149        if (!par1World.isRemote)
150        {
151            if (par6EntityPlayer.getCurrentEquippedItem() != null && par6EntityPlayer.getCurrentEquippedItem().itemID == Item.shears.itemID)
152            {
153                par1World.setBlockMetadataWithNotify(par2, par3, par4, par5 | 8, 4);
154            }
155        }
156    }
157
158    @SideOnly(Side.CLIENT)
159
160    /**
161     * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
162     */
163    public int idPicked(World par1World, int par2, int par3, int par4)
164    {
165        return Item.silk.itemID;
166    }
167
168    private void func_72149_e(World par1World, int par2, int par3, int par4, int par5)
169    {
170        int i1 = 0;
171
172        while (i1 < 2)
173        {
174            int j1 = 1;
175
176            while (true)
177            {
178                if (j1 < 42)
179                {
180                    int k1 = par2 + Direction.offsetX[i1] * j1;
181                    int l1 = par4 + Direction.offsetZ[i1] * j1;
182                    int i2 = par1World.getBlockId(k1, par3, l1);
183
184                    if (i2 == Block.tripWireSource.blockID)
185                    {
186                        int j2 = par1World.getBlockMetadata(k1, par3, l1) & 3;
187
188                        if (j2 == Direction.footInvisibleFaceRemap[i1])
189                        {
190                            Block.tripWireSource.func_72143_a(par1World, k1, par3, l1, i2, par1World.getBlockMetadata(k1, par3, l1), true, j1, par5);
191                        }
192                    }
193                    else if (i2 == Block.tripWire.blockID)
194                    {
195                        ++j1;
196                        continue;
197                    }
198                }
199
200                ++i1;
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 l = par1World.getBlockMetadata(par2, par3, par4);
237        boolean flag = (l & 1) == 1;
238        boolean flag1 = false;
239        List list = par1World.getEntitiesWithinAABBExcludingEntity((Entity)null, AxisAlignedBB.getAABBPool().getAABB((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 (!list.isEmpty())
242        {
243            Iterator iterator = list.iterator();
244
245            while (iterator.hasNext())
246            {
247                Entity entity = (Entity)iterator.next();
248
249                if (!entity.doesEntityNotTriggerPressurePlate())
250                {
251                    flag1 = true;
252                    break;
253                }
254            }
255        }
256
257        if (flag1 && !flag)
258        {
259            l |= 1;
260        }
261
262        if (!flag1 && flag)
263        {
264            l &= -2;
265        }
266
267        if (flag1 != flag)
268        {
269            par1World.setBlockMetadataWithNotify(par2, par3, par4, l, 3);
270            this.func_72149_e(par1World, par2, par3, par4, l);
271        }
272
273        if (flag1)
274        {
275            par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate(par1World));
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 j1 = par1 + Direction.offsetX[par5];
283        int k1 = par3 + Direction.offsetZ[par5];
284        int l1 = par0IBlockAccess.getBlockId(j1, par2, k1);
285        boolean flag = (par4 & 2) == 2;
286        int i2;
287
288        if (l1 == Block.tripWireSource.blockID)
289        {
290            i2 = par0IBlockAccess.getBlockMetadata(j1, par2, k1);
291            int j2 = i2 & 3;
292            return j2 == Direction.footInvisibleFaceRemap[par5];
293        }
294        else if (l1 == Block.tripWire.blockID)
295        {
296            i2 = par0IBlockAccess.getBlockMetadata(j1, par2, k1);
297            boolean flag1 = (i2 & 2) == 2;
298            return flag == flag1;
299        }
300        else
301        {
302            return false;
303        }
304    }
305}