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package net.minecraft.server;
import java.util.List;
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, 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[f(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.f(i1)) {
Block.byId[k1].c(world, i, j, k, i1, 0);
world.setTypeId(i, j, k, 0);
}
}
}
public int a(int i, int j) {
int k = f(j);
return i == k ? (this.a >= 0 ? this.a : ((j & 8) != 0 ? this.textureId - 1 : this.textureId)) : (k < 6 && i == Facing.OPPOSITE_FACING[k] ? 107 : 108);
}
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);
switch (f(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);
switch (f(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 = f(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.setTypeId(i, j, k, 0);
} else {
Block.byId[j1].doPhysics(world, i - Facing.b[i1], j - Facing.c[i1], k - Facing.d[i1], l);
}
}
public static int f(int i) {
return i & 7;
}
}
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