package net.minecraft.server; import java.util.ArrayList; import java.util.Random; public class BlockPistonExtension extends Block { private int a = -1; public BlockPistonExtension(int i, int j) { super(i, j, Material.PISTON); this.a(h); this.c(0.5F); } public void remove(World world, int i, int j, int k) { super.remove(world, i, j, k); int l = world.getData(i, j, k); if (l > 5 || l < 0) return; // CraftBukkit - fixed a piston AIOOBE issue. int i1 = PistonBlockTextures.a[b(l)]; i += PistonBlockTextures.b[i1]; j += PistonBlockTextures.c[i1]; k += PistonBlockTextures.d[i1]; int j1 = world.getTypeId(i, j, k); if (j1 == Block.PISTON.id || j1 == Block.PISTON_STICKY.id) { l = world.getData(i, j, k); if (BlockPiston.d(l)) { Block.byId[j1].g(world, i, j, k, l); world.setTypeId(i, j, k, 0); } } } public int a(int i, int j) { int k = b(j); return i == k ? (this.a >= 0 ? this.a : ((j & 8) != 0 ? this.textureId - 1 : this.textureId)) : (i == PistonBlockTextures.a[k] ? 107 : 108); } public boolean a() { 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, ArrayList arraylist) { int l = world.getData(i, j, k); switch (b(l)) { case 0: this.a(0.0F, 0.0F, 0.0F, 1.0F, 0.25F, 1.0F); super.a(world, i, j, k, axisalignedbb, arraylist); this.a(0.375F, 0.25F, 0.375F, 0.625F, 1.0F, 0.625F); super.a(world, i, j, k, axisalignedbb, arraylist); break; case 1: this.a(0.0F, 0.75F, 0.0F, 1.0F, 1.0F, 1.0F); super.a(world, i, j, k, axisalignedbb, arraylist); this.a(0.375F, 0.0F, 0.375F, 0.625F, 0.75F, 0.625F); super.a(world, i, j, k, axisalignedbb, arraylist); break; case 2: this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.25F); super.a(world, i, j, k, axisalignedbb, arraylist); this.a(0.25F, 0.375F, 0.25F, 0.75F, 0.625F, 1.0F); super.a(world, i, j, k, axisalignedbb, arraylist); break; case 3: this.a(0.0F, 0.0F, 0.75F, 1.0F, 1.0F, 1.0F); super.a(world, i, j, k, axisalignedbb, arraylist); this.a(0.25F, 0.375F, 0.0F, 0.75F, 0.625F, 0.75F); super.a(world, i, j, k, axisalignedbb, arraylist); break; case 4: this.a(0.0F, 0.0F, 0.0F, 0.25F, 1.0F, 1.0F); super.a(world, i, j, k, axisalignedbb, arraylist); this.a(0.375F, 0.25F, 0.25F, 0.625F, 0.75F, 1.0F); super.a(world, i, j, k, axisalignedbb, arraylist); break; case 5: this.a(0.75F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F); super.a(world, i, j, k, axisalignedbb, arraylist); this.a(0.0F, 0.375F, 0.25F, 0.75F, 0.625F, 0.75F); super.a(world, i, j, k, axisalignedbb, arraylist); } this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F); } public void a(IBlockAccess iblockaccess, int i, int j, int k) { int l = iblockaccess.getData(i, j, k); switch (b(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 = b(world.getData(i, j, k)); if (i1 > 5 || i1 < 0) return; // CraftBukkit - fixed a piston AIOOBE issue. int j1 = world.getTypeId(i - PistonBlockTextures.b[i1], j - PistonBlockTextures.c[i1], k - PistonBlockTextures.d[i1]); if (j1 != Block.PISTON.id && j1 != Block.PISTON_STICKY.id) { world.setTypeId(i, j, k, 0); } else { Block.byId[j1].doPhysics(world, i - PistonBlockTextures.b[i1], j - PistonBlockTextures.c[i1], k - PistonBlockTextures.d[i1], l); } } public static int b(int i) { return i & 7; } }