    001    package net.minecraft.src;
    002
    003    import java.util.Random;
    004
    005    import net.minecraftforge.common.ForgeDirection;
    006    import static net.minecraftforge.common.ForgeDirection.*;
    007
    008    public class BlockTripWireSource extends Block
    009    {
    010        public BlockTripWireSource(int par1)
    011        {
    012            super(par1, 172, Material.circuits);
    013            this.setCreativeTab(CreativeTabs.tabRedstone);
    014            this.setTickRandomly(true);
    015        }
    016
    017        /**
    018         * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
    019         * cleared to be reused)
    020         */
    021        public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
    022        {
    023            return null;
    024        }
    025
    026        /**
    027         * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
    028         * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
    029         */
    030        public boolean isOpaqueCube()
    031        {
    032            return false;
    033        }
    034
    035        /**
    036         * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
    037         */
    038        public boolean renderAsNormalBlock()
    039        {
    040            return false;
    041        }
    042
    043        /**
    044         * The type of render function that is called for this block
    045         */
    046        public int getRenderType()
    047        {
    048            return 29;
    049        }
    050
    051        /**
    052         * How many world ticks before ticking
    053         */
    054        public int tickRate()
    055        {
    056            return 10;
    057        }
    058
    059        /**
    060         * checks to see if you can place this block can be placed on that side of a block: BlockLever overrides
    061         */
    062        public boolean canPlaceBlockOnSide(World par1World, int par2, int par3, int par4, int par5)
    063        {
    064            ForgeDirection dir = ForgeDirection.getOrientation(par5);
    065            return (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) ||
    066                   (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) ||
    067                   (dir == WEST  && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST )) ||
    068                   (dir == EAST  && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST ));
    069        }
    070
    071        /**
    072         * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
    073         */
    074        public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
    075        {
    076            return par1World.isBlockSolidOnSide(par2 - 1, par3, par4, SOUTH) ||
    077                   par1World.isBlockSolidOnSide(par2 + 1, par3, par4, NORTH) ||
    078                   par1World.isBlockSolidOnSide(par2, par3, par4 - 1, EAST ) ||
    079                   par1World.isBlockSolidOnSide(par2, par3, par4 + 1, WEST );
    080        }
    081
    082        /**
    083         * called before onBlockPlacedBy by ItemBlock and ItemReed
    084         */
    085        public void updateBlockMetadata(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8)
    086        {
    087            byte var9 = 0;
    088
    089            if (par5 == 2 && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, WEST, true))
    090            {
    091                var9 = 2;
    092            }
    093
    094            if (par5 == 3 && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, EAST, true))
    095            {
    096                var9 = 0;
    097            }
    098
    099            if (par5 == 4 && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, NORTH, true))
    100            {
    101                var9 = 1;
    102            }
    103
    104            if (par5 == 5 && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, SOUTH, true))
    105            {
    106                var9 = 3;
    107            }
    108
    109            this.func_72143_a(par1World, par2, par3, par4, this.blockID, var9, false, -1, 0);
    110        }
    111
    112        /**
    113         * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
    114         * their own) Args: x, y, z, neighbor blockID
    115         */
    116        public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
    117        {
    118            if (par5 != this.blockID)
    119            {
    120                if (this.func_72144_l(par1World, par2, par3, par4))
    121                {
    122                    int var6 = par1World.getBlockMetadata(par2, par3, par4);
    123                    int var7 = var6 & 3;
    124                    boolean var8 = false;
    125
    126                    if (!par1World.isBlockSolidOnSide(par2 - 1, par3, par4, SOUTH) && var7 == 3)
    127                    {
    128                        var8 = true;
    129                    }
    130
    131                    if (!par1World.isBlockSolidOnSide(par2 + 1, par3, par4, NORTH) && var7 == 1)
    132                    {
    133                        var8 = true;
    134                    }
    135
    136                    if (!par1World.isBlockSolidOnSide(par2, par3, par4 - 1, EAST) && var7 == 0)
    137                    {
    138                        var8 = true;
    139                    }
    140
    141                    if (!par1World.isBlockSolidOnSide(par2, par3, par4 + 1, WEST) && var7 == 2)
    142                    {
    143                        var8 = true;
    144                    }
    145
    146                    if (var8)
    147                    {
    148                        this.dropBlockAsItem(par1World, par2, par3, par4, var6, 0);
    149                        par1World.setBlockWithNotify(par2, par3, par4, 0);
    150                    }
    151                }
    152            }
    153        }
    154
    155        public void func_72143_a(World par1World, int par2, int par3, int par4, int par5, int par6, boolean par7, int par8, int par9)
    156        {
    157            int var10 = par6 & 3;
    158            boolean var11 = (par6 & 4) == 4;
    159            boolean var12 = (par6 & 8) == 8;
    160            boolean var13 = par5 == Block.tripWireSource.blockID;
    161            boolean var14 = false;
    162            boolean var15 = !par1World.isBlockSolidOnSide(par2, par3 - 1, par4, UP);
    163            int var16 = Direction.offsetX[var10];
    164            int var17 = Direction.offsetZ[var10];
    165            int var18 = 0;
    166            int[] var19 = new int[42];
    167            int var21;
    168            int var20;
    169            int var23;
    170            int var22;
    171            int var24;
    172
    173            for (var20 = 1; var20 < 42; ++var20)
    174            {
    175                var21 = par2 + var16 * var20;
    176                var22 = par4 + var17 * var20;
    177                var23 = par1World.getBlockId(var21, par3, var22);
    178
    179                if (var23 == Block.tripWireSource.blockID)
    180                {
    181                    var24 = par1World.getBlockMetadata(var21, par3, var22);
    182
    183                    if ((var24 & 3) == Direction.footInvisibleFaceRemap[var10])
    184                    {
    185                        var18 = var20;
    186                    }
    187
    188                    break;
    189                }
    190
    191                if (var23 != Block.tripWire.blockID && var20 != par8)
    192                {
    193                    var19[var20] = -1;
    194                    var13 = false;
    195                }
    196                else
    197                {
    198                    var24 = var20 == par8 ? par9 : par1World.getBlockMetadata(var21, par3, var22);
    199                    boolean var25 = (var24 & 8) != 8;
    200                    boolean var26 = (var24 & 1) == 1;
    201                    boolean var27 = (var24 & 2) == 2;
    202                    var13 &= var27 == var15;
    203                    var14 |= var25 && var26;
    204                    var19[var20] = var24;
    205
    206                    if (var20 == par8)
    207                    {
    208                        par1World.scheduleBlockUpdate(par2, par3, par4, par5, this.tickRate());
    209                        var13 &= var25;
    210                    }
    211                }
    212            }
    213
    214            var13 &= var18 > 1;
    215            var14 &= var13;
    216            var20 = (var13 ? 4 : 0) | (var14 ? 8 : 0);
    217            par6 = var10 | var20;
    218
    219            if (var18 > 0)
    220            {
    221                var21 = par2 + var16 * var18;
    222                var22 = par4 + var17 * var18;
    223                var23 = Direction.footInvisibleFaceRemap[var10];
    224                par1World.setBlockMetadataWithNotify(var21, par3, var22, var23 | var20);
    225                this.notifyNeighborOfChange(par1World, var21, par3, var22, var23);
    226                this.playSoundEffect(par1World, var21, par3, var22, var13, var14, var11, var12);
    227            }
    228
    229            this.playSoundEffect(par1World, par2, par3, par4, var13, var14, var11, var12);
    230
    231            if (par5 > 0)
    232            {
    233                par1World.setBlockMetadataWithNotify(par2, par3, par4, par6);
    234
    235                if (par7)
    236                {
    237                    this.notifyNeighborOfChange(par1World, par2, par3, par4, var10);
    238                }
    239            }
    240
    241            if (var11 != var13)
    242            {
    243                for (var21 = 1; var21 < var18; ++var21)
    244                {
    245                    var22 = par2 + var16 * var21;
    246                    var23 = par4 + var17 * var21;
    247                    var24 = var19[var21];
    248
    249                    if (var24 >= 0)
    250                    {
    251                        if (var13)
    252                        {
    253                            var24 |= 4;
    254                        }
    255                        else
    256                        {
    257                            var24 &= -5;
    258                        }
    259
    260                        par1World.setBlockMetadataWithNotify(var22, par3, var23, var24);
    261                    }
    262                }
    263            }
    264        }
    265
    266        /**
    267         * Ticks the block if it's been scheduled
    268         */
    269        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
    270        {
    271            this.func_72143_a(par1World, par2, par3, par4, this.blockID, par1World.getBlockMetadata(par2, par3, par4), true, -1, 0);
    272        }
    273
    274        /**
    275         * only of the conditions are right
    276         */
    277        private void playSoundEffect(World par1World, int par2, int par3, int par4, boolean par5, boolean par6, boolean par7, boolean par8)
    278        {
    279            if (par6 && !par8)
    280            {
    281                par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.1D, (double)par4 + 0.5D, "random.click", 0.4F, 0.6F);
    282            }
    283            else if (!par6 && par8)
    284            {
    285                par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.1D, (double)par4 + 0.5D, "random.click", 0.4F, 0.5F);
    286            }
    287            else if (par5 && !par7)
    288            {
    289                par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.1D, (double)par4 + 0.5D, "random.click", 0.4F, 0.7F);
    290            }
    291            else if (!par5 && par7)
    292            {
    293                par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.1D, (double)par4 + 0.5D, "random.bowhit", 0.4F, 1.2F / (par1World.rand.nextFloat() * 0.2F + 0.9F));
    294            }
    295        }
    296
    297        private void notifyNeighborOfChange(World par1World, int par2, int par3, int par4, int par5)
    298        {
    299            par1World.notifyBlocksOfNeighborChange(par2, par3, par4, this.blockID);
    300
    301            if (par5 == 3)
    302            {
    303                par1World.notifyBlocksOfNeighborChange(par2 - 1, par3, par4, this.blockID);
    304            }
    305            else if (par5 == 1)
    306            {
    307                par1World.notifyBlocksOfNeighborChange(par2 + 1, par3, par4, this.blockID);
    308            }
    309            else if (par5 == 0)
    310            {
    311                par1World.notifyBlocksOfNeighborChange(par2, par3, par4 - 1, this.blockID);
    312            }
    313            else if (par5 == 2)
    314            {
    315                par1World.notifyBlocksOfNeighborChange(par2, par3, par4 + 1, this.blockID);
    316            }
    317        }
    318
    319        private boolean func_72144_l(World par1World, int par2, int par3, int par4)
    320        {
    321            if (!this.canPlaceBlockAt(par1World, par2, par3, par4))
    322            {
    323                this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
    324                par1World.setBlockWithNotify(par2, par3, par4, 0);
    325                return false;
    326            }
    327            else
    328            {
    329                return true;
    330            }
    331        }
    332
    333        /**
    334         * Updates the blocks bounds based on its current state. Args: world, x, y, z
    335         */
    336        public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
    337        {
    338            int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 3;
    339            float var6 = 0.1875F;
    340
    341            if (var5 == 3)
    342            {
    343                this.setBlockBounds(0.0F, 0.2F, 0.5F - var6, var6 * 2.0F, 0.8F, 0.5F + var6);
    344            }
    345            else if (var5 == 1)
    346            {
    347                this.setBlockBounds(1.0F - var6 * 2.0F, 0.2F, 0.5F - var6, 1.0F, 0.8F, 0.5F + var6);
    348            }
    349            else if (var5 == 0)
    350            {
    351                this.setBlockBounds(0.5F - var6, 0.2F, 0.0F, 0.5F + var6, 0.8F, var6 * 2.0F);
    352            }
    353            else if (var5 == 2)
    354            {
    355                this.setBlockBounds(0.5F - var6, 0.2F, 1.0F - var6 * 2.0F, 0.5F + var6, 0.8F, 1.0F);
    356            }
    357        }
    358
    359        /**
    360         * ejects contained items into the world, and notifies neighbours of an update, as appropriate
    361         */
    362        public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
    363        {
    364            boolean var7 = (par6 & 4) == 4;
    365            boolean var8 = (par6 & 8) == 8;
    366
    367            if (var7 || var8)
    368            {
    369                this.func_72143_a(par1World, par2, par3, par4, 0, par6, false, -1, 0);
    370            }
    371
    372            if (var8)
    373            {
    374                par1World.notifyBlocksOfNeighborChange(par2, par3, par4, this.blockID);
    375                int var9 = par6 & 3;
    376
    377                if (var9 == 3)
    378                {
    379                    par1World.notifyBlocksOfNeighborChange(par2 - 1, par3, par4, this.blockID);
    380                }
    381                else if (var9 == 1)
    382                {
    383                    par1World.notifyBlocksOfNeighborChange(par2 + 1, par3, par4, this.blockID);
    384                }
    385                else if (var9 == 0)
    386                {
    387                    par1World.notifyBlocksOfNeighborChange(par2, par3, par4 - 1, this.blockID);
    388                }
    389                else if (var9 == 2)
    390                {
    391                    par1World.notifyBlocksOfNeighborChange(par2, par3, par4 + 1, this.blockID);
    392                }
    393            }
    394
    395            super.breakBlock(par1World, par2, par3, par4, par5, par6);
    396        }
    397
    398        /**
    399         * Is this block powering the block on the specified side
    400         */
    401        public boolean isPoweringTo(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
    402        {
    403            return (par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 8) == 8;
    404        }
    405
    406        /**
    407         * Is this block indirectly powering the block on the specified side
    408         */
    409        public boolean isIndirectlyPoweringTo(World par1World, int par2, int par3, int par4, int par5)
    410        {
    411            int var6 = par1World.getBlockMetadata(par2, par3, par4);
    412
    413            if ((var6 & 8) != 8)
    414            {
    415                return false;
    416            }
    417            else
    418            {
    419                int var7 = var6 & 3;
    420                return var7 == 2 && par5 == 2 ? true : (var7 == 0 && par5 == 3 ? true : (var7 == 1 && par5 == 4 ? true : var7 == 3 && par5 == 5));
    421            }
    422        }
    423
    424        /**
    425         * Can this block provide power. Only wire currently seems to have this change based on its state.
    426         */
    427        public boolean canProvidePower()
    428        {
    429            return true;
    430        }
    431    }