package net.minecraft.server; import java.util.List; import java.util.Random; public class BlockPistonExtension extends Block { public BlockPistonExtension(int i) { super(i, Material.PISTON); this.a(k); this.c(0.5F); } public void a(World world, int i, int j, int k, int l, EntityHuman entityhuman) { if (entityhuman.abilities.canInstantlyBuild) { int i1 = d(l); int j1 = world.getTypeId(i - Facing.b[i1], j - Facing.c[i1], k - Facing.d[i1]); if (j1 == Block.PISTON.id || j1 == Block.PISTON_STICKY.id) { world.setAir(i - Facing.b[i1], j - Facing.c[i1], k - Facing.d[i1]); } } super.a(world, i, j, k, l, entityhuman); } public void remove(World world, int i, int j, int k, int l, int i1) { super.remove(world, i, j, k, l, i1); if ((i1 & 7) >= Facing.OPPOSITE_FACING.length) return; // CraftBukkit - fix a piston AIOOBE issue int j1 = Facing.OPPOSITE_FACING[d(i1)]; i += Facing.b[j1]; j += Facing.c[j1]; k += Facing.d[j1]; int k1 = world.getTypeId(i, j, k); if (k1 == Block.PISTON.id || k1 == Block.PISTON_STICKY.id) { i1 = world.getData(i, j, k); if (BlockPiston.e(i1)) { Block.byId[k1].c(world, i, j, k, i1, 0); world.setAir(i, j, k); } } } public int d() { return 17; } public boolean c() { return false; } public boolean b() { return false; } public boolean canPlace(World world, int i, int j, int k) { return false; } public boolean canPlace(World world, int i, int j, int k, int l) { return false; } public int a(Random random) { return 0; } public void a(World world, int i, int j, int k, AxisAlignedBB axisalignedbb, List list, Entity entity) { int l = world.getData(i, j, k); float f = 0.25F; float f1 = 0.375F; float f2 = 0.625F; float f3 = 0.25F; float f4 = 0.75F; switch (d(l)) { case 0: this.a(0.0F, 0.0F, 0.0F, 1.0F, 0.25F, 1.0F); super.a(world, i, j, k, axisalignedbb, list, entity); this.a(0.375F, 0.25F, 0.375F, 0.625F, 1.0F, 0.625F); super.a(world, i, j, k, axisalignedbb, list, entity); break; case 1: this.a(0.0F, 0.75F, 0.0F, 1.0F, 1.0F, 1.0F); super.a(world, i, j, k, axisalignedbb, list, entity); this.a(0.375F, 0.0F, 0.375F, 0.625F, 0.75F, 0.625F); super.a(world, i, j, k, axisalignedbb, list, entity); break; case 2: this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.25F); super.a(world, i, j, k, axisalignedbb, list, entity); this.a(0.25F, 0.375F, 0.25F, 0.75F, 0.625F, 1.0F); super.a(world, i, j, k, axisalignedbb, list, entity); break; case 3: this.a(0.0F, 0.0F, 0.75F, 1.0F, 1.0F, 1.0F); super.a(world, i, j, k, axisalignedbb, list, entity); this.a(0.25F, 0.375F, 0.0F, 0.75F, 0.625F, 0.75F); super.a(world, i, j, k, axisalignedbb, list, entity); break; case 4: this.a(0.0F, 0.0F, 0.0F, 0.25F, 1.0F, 1.0F); super.a(world, i, j, k, axisalignedbb, list, entity); this.a(0.375F, 0.25F, 0.25F, 0.625F, 0.75F, 1.0F); super.a(world, i, j, k, axisalignedbb, list, entity); break; case 5: this.a(0.75F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F); super.a(world, i, j, k, axisalignedbb, list, entity); this.a(0.0F, 0.375F, 0.25F, 0.75F, 0.625F, 0.75F); super.a(world, i, j, k, axisalignedbb, list, entity); } this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F); } public void updateShape(IBlockAccess iblockaccess, int i, int j, int k) { int l = iblockaccess.getData(i, j, k); float f = 0.25F; switch (d(l)) { case 0: this.a(0.0F, 0.0F, 0.0F, 1.0F, 0.25F, 1.0F); break; case 1: this.a(0.0F, 0.75F, 0.0F, 1.0F, 1.0F, 1.0F); break; case 2: this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.25F); break; case 3: this.a(0.0F, 0.0F, 0.75F, 1.0F, 1.0F, 1.0F); break; case 4: this.a(0.0F, 0.0F, 0.0F, 0.25F, 1.0F, 1.0F); break; case 5: this.a(0.75F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F); } } public void doPhysics(World world, int i, int j, int k, int l) { int i1 = d(world.getData(i, j, k)); if ((i1 & 7) >= Facing.OPPOSITE_FACING.length) return; // CraftBukkit - fix a piston AIOOBE issue int j1 = world.getTypeId(i - Facing.b[i1], j - Facing.c[i1], k - Facing.d[i1]); if (j1 != Block.PISTON.id && j1 != Block.PISTON_STICKY.id) { world.setAir(i, j, k); } else { Block.byId[j1].doPhysics(world, i - Facing.b[i1], j - Facing.c[i1], k - Facing.d[i1], l); } } public static int d(int i) { return i & 7; } }