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package net.minecraft.server;
import java.util.List;
// CraftBukkit start
import org.bukkit.craftbukkit.block.CraftBlock;
import org.bukkit.event.block.BlockPistonRetractEvent;
import org.bukkit.event.block.BlockPistonExtendEvent;
// CraftBukkit end
public class BlockPiston extends Block {
private final boolean a;
public BlockPiston(boolean flag) {
super(Material.PISTON);
this.a = flag;
this.a(i);
this.c(0.5F);
this.a(CreativeModeTab.d);
}
public int b() {
return 16;
}
public boolean c() {
return false;
}
public boolean interact(World world, int i, int j, int k, EntityHuman entityhuman, int l, float f, float f1, float f2) {
return false;
}
public void postPlace(World world, int i, int j, int k, EntityLiving entityliving, ItemStack itemstack) {
int l = a(world, i, j, k, entityliving);
world.setData(i, j, k, l, 2);
if (!world.isStatic) {
this.e(world, i, j, k);
}
}
public void doPhysics(World world, int i, int j, int k, Block block) {
if (!world.isStatic) {
this.e(world, i, j, k);
}
}
public void onPlace(World world, int i, int j, int k) {
if (!world.isStatic && world.getTileEntity(i, j, k) == null) {
this.e(world, i, j, k);
}
}
private void e(World world, int i, int j, int k) {
int l = world.getData(i, j, k);
int i1 = b(l);
if (i1 != 7) {
boolean flag = this.a(world, i, j, k, i1);
if (flag && !c(l)) {
// CraftBukkit start
int length = h(world, i, j, k, i1);
if (length >= 0) {
org.bukkit.block.Block block = world.getWorld().getBlockAt(i, j, k);
BlockPistonExtendEvent event = new BlockPistonExtendEvent(block, length, CraftBlock.notchToBlockFace(i1));
world.getServer().getPluginManager().callEvent(event);
if (event.isCancelled()) {
return;
}
// CraftBukkit end
world.playBlockAction(i, j, k, this, 0, i1);
}
} else if (!flag && c(l)) {
// CraftBukkit start
org.bukkit.block.Block block = world.getWorld().getBlockAt(i, j, k);
BlockPistonRetractEvent event = new BlockPistonRetractEvent(block, CraftBlock.notchToBlockFace(i1));
world.getServer().getPluginManager().callEvent(event);
if (event.isCancelled()) {
return;
}
// CraftBukkit end
world.setData(i, j, k, i1, 2);
world.playBlockAction(i, j, k, this, 1, i1);
}
}
}
private boolean a(World world, int i, int j, int k, int l) {
return l != 0 && world.isBlockFacePowered(i, j - 1, k, 0) ? true : (l != 1 && world.isBlockFacePowered(i, j + 1, k, 1) ? true : (l != 2 && world.isBlockFacePowered(i, j, k - 1, 2) ? true : (l != 3 && world.isBlockFacePowered(i, j, k + 1, 3) ? true : (l != 5 && world.isBlockFacePowered(i + 1, j, k, 5) ? true : (l != 4 && world.isBlockFacePowered(i - 1, j, k, 4) ? true : (world.isBlockFacePowered(i, j, k, 0) ? true : (world.isBlockFacePowered(i, j + 2, k, 1) ? true : (world.isBlockFacePowered(i, j + 1, k - 1, 2) ? true : (world.isBlockFacePowered(i, j + 1, k + 1, 3) ? true : (world.isBlockFacePowered(i - 1, j + 1, k, 4) ? true : world.isBlockFacePowered(i + 1, j + 1, k, 5)))))))))));
}
public boolean a(World world, int i, int j, int k, int l, int i1) {
if (!world.isStatic) {
boolean flag = this.a(world, i, j, k, i1);
if (flag && l == 1) {
world.setData(i, j, k, i1 | 8, 2);
return false;
}
if (!flag && l == 0) {
return false;
}
}
if (l == 0) {
if (!this.i(world, i, j, k, i1)) {
return false;
}
world.setData(i, j, k, i1 | 8, 2);
world.makeSound((double) i + 0.5D, (double) j + 0.5D, (double) k + 0.5D, "tile.piston.out", 0.5F, world.random.nextFloat() * 0.25F + 0.6F);
} else if (l == 1) {
TileEntity tileentity = world.getTileEntity(i + Facing.b[i1], j + Facing.c[i1], k + Facing.d[i1]);
if (tileentity instanceof TileEntityPiston) {
((TileEntityPiston) tileentity).f();
}
world.setTypeAndData(i, j, k, Blocks.PISTON_MOVING, i1, 3);
world.setTileEntity(i, j, k, BlockPistonMoving.a(this, i1, i1, false, true));
if (this.a) {
int j1 = i + Facing.b[i1] * 2;
int k1 = j + Facing.c[i1] * 2;
int l1 = k + Facing.d[i1] * 2;
Block block = world.getType(j1, k1, l1);
int i2 = world.getData(j1, k1, l1);
boolean flag1 = false;
if (block == Blocks.PISTON_MOVING) {
TileEntity tileentity1 = world.getTileEntity(j1, k1, l1);
if (tileentity1 instanceof TileEntityPiston) {
TileEntityPiston tileentitypiston = (TileEntityPiston) tileentity1;
if (tileentitypiston.c() == i1 && tileentitypiston.b()) {
tileentitypiston.f();
block = tileentitypiston.a();
i2 = tileentitypiston.p();
flag1 = true;
}
}
}
if (!flag1 && block.getMaterial() != Material.AIR && a(block, world, j1, k1, l1, false) && (block.h() == 0 || block == Blocks.PISTON || block == Blocks.PISTON_STICKY)) {
i += Facing.b[i1];
j += Facing.c[i1];
k += Facing.d[i1];
world.setTypeAndData(i, j, k, Blocks.PISTON_MOVING, i2, 3);
world.setTileEntity(i, j, k, BlockPistonMoving.a(block, i2, i1, false, false));
world.setAir(j1, k1, l1);
} else if (!flag1) {
world.setAir(i + Facing.b[i1], j + Facing.c[i1], k + Facing.d[i1]);
}
} else {
world.setAir(i + Facing.b[i1], j + Facing.c[i1], k + Facing.d[i1]);
}
world.makeSound((double) i + 0.5D, (double) j + 0.5D, (double) k + 0.5D, "tile.piston.in", 0.5F, world.random.nextFloat() * 0.15F + 0.6F);
}
return true;
}
public void updateShape(IBlockAccess iblockaccess, int i, int j, int k) {
int l = iblockaccess.getData(i, j, k);
if (c(l)) {
float f = 0.25F;
switch (b(l)) {
case 0:
this.a(0.0F, 0.25F, 0.0F, 1.0F, 1.0F, 1.0F);
break;
case 1:
this.a(0.0F, 0.0F, 0.0F, 1.0F, 0.75F, 1.0F);
break;
case 2:
this.a(0.0F, 0.0F, 0.25F, 1.0F, 1.0F, 1.0F);
break;
case 3:
this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.75F);
break;
case 4:
this.a(0.25F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
break;
case 5:
this.a(0.0F, 0.0F, 0.0F, 0.75F, 1.0F, 1.0F);
}
} else {
this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
}
}
public void g() {
this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
}
public void a(World world, int i, int j, int k, AxisAlignedBB axisalignedbb, List list, Entity entity) {
this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
super.a(world, i, j, k, axisalignedbb, list, entity);
}
public AxisAlignedBB a(World world, int i, int j, int k) {
this.updateShape(world, i, j, k);
return super.a(world, i, j, k);
}
public boolean d() {
return false;
}
public static int b(int i) {
if ((i & 7) >= Facing.OPPOSITE_FACING.length) return 7; // CraftBukkit - check for AIOOB on piston data
return i & 7;
}
public static boolean c(int i) {
return (i & 8) != 0;
}
public static int a(World world, int i, int j, int k, EntityLiving entityliving) {
if (MathHelper.abs((float) entityliving.locX - (float) i) < 2.0F && MathHelper.abs((float) entityliving.locZ - (float) k) < 2.0F) {
double d0 = entityliving.locY + 1.82D - (double) entityliving.height;
if (d0 - (double) j > 2.0D) {
return 1;
}
if ((double) j - d0 > 0.0D) {
return 0;
}
}
int l = MathHelper.floor((double) (entityliving.yaw * 4.0F / 360.0F) + 0.5D) & 3;
return l == 0 ? 2 : (l == 1 ? 5 : (l == 2 ? 3 : (l == 3 ? 4 : 0)));
}
private static boolean a(Block block, World world, int i, int j, int k, boolean flag) {
if (block == Blocks.OBSIDIAN) {
return false;
} else {
if (block != Blocks.PISTON && block != Blocks.PISTON_STICKY) {
if (block.f(world, i, j, k) == -1.0F) {
return false;
}
if (block.h() == 2) {
return false;
}
if (block.h() == 1) {
if (!flag) {
return false;
}
return true;
}
} else if (c(world.getData(i, j, k))) {
return false;
}
return !(block instanceof IContainer);
}
}
// CraftBukkit - boolean -> int return
private static int h(World world, int i, int j, int k, int l) {
int i1 = i + Facing.b[l];
int j1 = j + Facing.c[l];
int k1 = k + Facing.d[l];
int l1 = 0;
while (true) {
if (l1 < 13) {
if (j1 <= 0 || j1 >= 255) {
return -1; // CraftBukkit
}
Block block = world.getType(i1, j1, k1);
if (block.getMaterial() != Material.AIR) {
if (!a(block, world, i1, j1, k1, true)) {
return -1; // CraftBukkit
}
if (block.h() != 1) {
if (l1 == 12) {
return -1; // CraftBukkit
}
i1 += Facing.b[l];
j1 += Facing.c[l];
k1 += Facing.d[l];
++l1;
continue;
}
}
}
return l1; // CraftBukkit
}
}
private boolean i(World world, int i, int j, int k, int l) {
int i1 = i + Facing.b[l];
int j1 = j + Facing.c[l];
int k1 = k + Facing.d[l];
int l1 = 0;
while (true) {
if (l1 < 13) {
if (j1 <= 0 || j1 >= 255) {
return false;
}
Block block = world.getType(i1, j1, k1);
if (block.getMaterial() != Material.AIR) {
if (!a(block, world, i1, j1, k1, true)) {
return false;
}
if (block.h() != 1) {
if (l1 == 12) {
return false;
}
i1 += Facing.b[l];
j1 += Facing.c[l];
k1 += Facing.d[l];
++l1;
continue;
}
block.b(world, i1, j1, k1, world.getData(i1, j1, k1), 0);
world.setAir(i1, j1, k1);
}
}
l1 = i1;
int i2 = j1;
int j2 = k1;
int k2 = 0;
Block[] ablock;
int l2;
int i3;
int j3;
for (ablock = new Block[13]; i1 != i || j1 != j || k1 != k; k1 = j3) {
l2 = i1 - Facing.b[l];
i3 = j1 - Facing.c[l];
j3 = k1 - Facing.d[l];
Block block1 = world.getType(l2, i3, j3);
int k3 = world.getData(l2, i3, j3);
if (block1 == this && l2 == i && i3 == j && j3 == k) {
world.setTypeAndData(i1, j1, k1, Blocks.PISTON_MOVING, l | (this.a ? 8 : 0), 4);
world.setTileEntity(i1, j1, k1, BlockPistonMoving.a(Blocks.PISTON_EXTENSION, l | (this.a ? 8 : 0), l, true, false));
} else {
world.setTypeAndData(i1, j1, k1, Blocks.PISTON_MOVING, k3, 4);
world.setTileEntity(i1, j1, k1, BlockPistonMoving.a(block1, k3, l, true, false));
}
ablock[k2++] = block1;
i1 = l2;
j1 = i3;
}
i1 = l1;
j1 = i2;
k1 = j2;
for (k2 = 0; i1 != i || j1 != j || k1 != k; k1 = j3) {
l2 = i1 - Facing.b[l];
i3 = j1 - Facing.c[l];
j3 = k1 - Facing.d[l];
world.applyPhysics(l2, i3, j3, ablock[k2++]);
i1 = l2;
j1 = i3;
}
return true;
}
}
}
|
