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net.minecraft.server.BlockPiston Maven / Gradle / Ivy
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package net.minecraft.server;
import com.google.common.collect.ImmutableList;
import org.bukkit.craftbukkit.block.CraftBlock;
import org.bukkit.event.block.BlockPistonExtendEvent;
import org.bukkit.event.block.BlockPistonRetractEvent;
import java.util.AbstractList;
import java.util.List;
// CraftBukkit end
public class BlockPiston extends Block {
public static final BlockStateDirection FACING = BlockStateDirection.of("facing");
public static final BlockStateBoolean EXTENDED = BlockStateBoolean.of("extended");
private final boolean sticky;
public BlockPiston(boolean flag) {
super(Material.PISTON);
this.j(this.blockStateList.getBlockData().set(BlockPiston.FACING, EnumDirection.NORTH).set(BlockPiston.EXTENDED, Boolean.valueOf(false)));
this.sticky = flag;
this.a(BlockPiston.i);
this.c(0.5F);
this.a(CreativeModeTab.d);
}
public static EnumDirection b(int i) {
int j = i & 7;
return j > 5 ? null : EnumDirection.fromType1(j);
}
public static EnumDirection a(World world, BlockPosition blockposition, EntityLiving entityliving) {
if (MathHelper.e((float) entityliving.locX - (float) blockposition.getX()) < 2.0F && MathHelper.e((float) entityliving.locZ - (float) blockposition.getZ()) < 2.0F) {
double d0 = entityliving.locY + (double) entityliving.getHeadHeight();
if (d0 - (double) blockposition.getY() > 2.0D) {
return EnumDirection.UP;
}
if ((double) blockposition.getY() - d0 > 0.0D) {
return EnumDirection.DOWN;
}
}
return entityliving.getDirection().opposite();
}
public static boolean a(Block block, World world, BlockPosition blockposition, EnumDirection enumdirection, boolean flag) {
if (block == Blocks.OBSIDIAN) {
return false;
} else if (!world.getWorldBorder().a(blockposition)) {
return false;
} else if (blockposition.getY() >= 0 && (enumdirection != EnumDirection.DOWN || blockposition.getY() != 0)) {
if (blockposition.getY() <= world.getHeight() - 1 && (enumdirection != EnumDirection.UP || blockposition.getY() != world.getHeight() - 1)) {
if (block != Blocks.PISTON && block != Blocks.STICKY_PISTON) {
if (block.g(world, blockposition) == -1.0F) {
return false;
}
if (block.k() == 2) {
return false;
}
if (block.k() == 1) {
return flag;
}
} else if (world.getType(blockposition).get(BlockPiston.EXTENDED).booleanValue()) {
return false;
}
return !(block instanceof IContainer);
} else {
return false;
}
} else {
return false;
}
}
public boolean c() {
return false;
}
public void postPlace(World world, BlockPosition blockposition, IBlockData iblockdata, EntityLiving entityliving, ItemStack itemstack) {
world.setTypeAndData(blockposition, iblockdata.set(BlockPiston.FACING, a(world, blockposition, entityliving)), 2);
if (!world.isClientSide) {
this.e(world, blockposition, iblockdata);
}
}
public void doPhysics(World world, BlockPosition pos, IBlockData iblockdata, Block block) {
if (!world.isClientSide) {
this.e(world, pos, iblockdata);
}
}
public void onPlace(World world, BlockPosition blockposition, IBlockData iblockdata) {
if (!world.isClientSide && world.getTileEntity(blockposition) == null) {
this.e(world, blockposition, iblockdata);
}
}
public IBlockData getPlacedState(World world, BlockPosition blockposition, EnumDirection enumdirection, float f, float f1, float f2, int i, EntityLiving entityliving) {
return this.getBlockData().set(BlockPiston.FACING, a(world, blockposition, entityliving)).set(BlockPiston.EXTENDED, Boolean.valueOf(false));
}
private void e(World world, BlockPosition blockposition, IBlockData iblockdata) {
EnumDirection enumdirection = iblockdata.get(BlockPiston.FACING);
boolean flag = this.a(world, blockposition, enumdirection);
if (flag && !iblockdata.get(BlockPiston.EXTENDED).booleanValue()) {
if ((new PistonExtendsChecker(world, blockposition, enumdirection, true)).a()) {
world.playBlockAction(blockposition, this, 0, enumdirection.a());
}
} else if (!flag && iblockdata.get(BlockPiston.EXTENDED).booleanValue()) {
// CraftBukkit start
if (!this.sticky) {
org.bukkit.block.Block block = world.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ());
BlockPistonRetractEvent event = new BlockPistonRetractEvent(block, ImmutableList.of(), CraftBlock.notchToBlockFace(enumdirection));
world.getServer().getPluginManager().callEvent(event);
if (event.isCancelled()) {
return;
}
}
// CraftBukkit end
world.setTypeAndData(blockposition, iblockdata.set(BlockPiston.EXTENDED, Boolean.valueOf(false)), 2);
world.playBlockAction(blockposition, this, 1, enumdirection.a());
}
}
private boolean a(World world, BlockPosition blockposition, EnumDirection enumdirection) {
EnumDirection[] aenumdirection = EnumDirection.values();
int i = aenumdirection.length;
int j;
for (j = 0; j < i; ++j) {
EnumDirection enumdirection1 = aenumdirection[j];
if (enumdirection1 != enumdirection && world.isBlockFacePowered(blockposition.shift(enumdirection1), enumdirection1)) {
return true;
}
}
if (world.isBlockFacePowered(blockposition, EnumDirection.DOWN)) {
return true;
} else {
BlockPosition blockposition1 = blockposition.up();
EnumDirection[] aenumdirection1 = EnumDirection.values();
j = aenumdirection1.length;
for (int k = 0; k < j; ++k) {
EnumDirection enumdirection2 = aenumdirection1[k];
if (enumdirection2 != EnumDirection.DOWN && world.isBlockFacePowered(blockposition1.shift(enumdirection2), enumdirection2)) {
return true;
}
}
return false;
}
}
public boolean a(World world, BlockPosition blockposition, IBlockData iblockdata, int i, int j) {
EnumDirection enumdirection = iblockdata.get(BlockPiston.FACING);
if (!world.isClientSide) {
boolean flag = this.a(world, blockposition, enumdirection);
if (flag && i == 1) {
world.setTypeAndData(blockposition, iblockdata.set(BlockPiston.EXTENDED, Boolean.valueOf(true)), 2);
return false;
}
if (!flag && i == 0) {
return false;
}
}
if (i == 0) {
if (!this.a(world, blockposition, enumdirection, true)) {
return false;
}
world.setTypeAndData(blockposition, iblockdata.set(BlockPiston.EXTENDED, Boolean.valueOf(true)), 2);
world.makeSound((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.5D, (double) blockposition.getZ() + 0.5D, "tile.piston.out", 0.5F, world.random.nextFloat() * 0.25F + 0.6F);
} else if (i == 1) {
TileEntity tileentity = world.getTileEntity(blockposition.shift(enumdirection));
if (tileentity instanceof TileEntityPiston) {
((TileEntityPiston) tileentity).h();
}
world.setTypeAndData(blockposition, Blocks.PISTON_EXTENSION.getBlockData().set(BlockPistonMoving.FACING, enumdirection).set(BlockPistonMoving.TYPE, this.sticky ? BlockPistonExtension.EnumPistonType.STICKY : BlockPistonExtension.EnumPistonType.DEFAULT), 3);
world.setTileEntity(blockposition, BlockPistonMoving.a(this.fromLegacyData(j), enumdirection, false, true));
if (this.sticky) {
BlockPosition blockposition1 = blockposition.a(enumdirection.getAdjacentX() * 2, enumdirection.getAdjacentY() * 2, enumdirection.getAdjacentZ() * 2);
Block block = world.getType(blockposition1).getBlock();
boolean flag1 = false;
if (block == Blocks.PISTON_EXTENSION) {
TileEntity tileentity1 = world.getTileEntity(blockposition1);
if (tileentity1 instanceof TileEntityPiston) {
TileEntityPiston tileentitypiston = (TileEntityPiston) tileentity1;
if (tileentitypiston.e() == enumdirection && tileentitypiston.d()) {
tileentitypiston.h();
flag1 = true;
}
}
}
if (!flag1 && a(block, world, blockposition1, enumdirection.opposite(), false) && (block.k() == 0 || block == Blocks.PISTON || block == Blocks.STICKY_PISTON)) { // CraftBukkit - remove 'block.getMaterial() != Material.AIR' condition
this.a(world, blockposition, enumdirection, false);
}
} else {
world.setAir(blockposition.shift(enumdirection));
}
world.makeSound((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.5D, (double) blockposition.getZ() + 0.5D, "tile.piston.in", 0.5F, world.random.nextFloat() * 0.15F + 0.6F);
}
return true;
}
public void updateShape(IBlockAccess iblockaccess, BlockPosition blockposition) {
IBlockData iblockdata = iblockaccess.getType(blockposition);
if (iblockdata.getBlock() == this && iblockdata.get(BlockPiston.EXTENDED).booleanValue()) {
float f = 0.25F;
EnumDirection enumdirection = iblockdata.get(BlockPiston.FACING);
if (enumdirection != null) {
switch (BlockPiston.SyntheticClass_1.a[enumdirection.ordinal()]) {
case 1:
this.a(0.0F, 0.25F, 0.0F, 1.0F, 1.0F, 1.0F);
break;
case 2:
this.a(0.0F, 0.0F, 0.0F, 1.0F, 0.75F, 1.0F);
break;
case 3:
this.a(0.0F, 0.0F, 0.25F, 1.0F, 1.0F, 1.0F);
break;
case 4:
this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.75F);
break;
case 5:
this.a(0.25F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
break;
case 6:
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 j() {
this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
}
public void a(World world, BlockPosition blockposition, IBlockData iblockdata, AxisAlignedBB axisalignedbb, List list, Entity entity) {
this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
super.a(world, blockposition, iblockdata, axisalignedbb, list, entity);
}
public AxisAlignedBB a(World world, BlockPosition blockposition, IBlockData iblockdata) {
this.updateShape(world, blockposition);
return super.a(world, blockposition, iblockdata);
}
public boolean d() {
return false;
}
private boolean a(World world, BlockPosition blockposition, EnumDirection enumdirection, boolean flag) {
if (!flag) {
world.setAir(blockposition.shift(enumdirection));
}
PistonExtendsChecker pistonextendschecker = new PistonExtendsChecker(world, blockposition, enumdirection, flag);
List list = pistonextendschecker.getMovedBlocks();
List list1 = pistonextendschecker.getBrokenBlocks();
if (!pistonextendschecker.a()) {
return false;
} else {
// CraftBukkit start
final org.bukkit.block.Block bblock = world.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ());
final List moved = pistonextendschecker.getMovedBlocks();
final List broken = pistonextendschecker.getBrokenBlocks();
List blocks = new AbstractList() {
@Override
public int size() {
return moved.size() + broken.size();
}
@Override
public org.bukkit.block.Block get(int index) {
if (index >= size() || index < 0) {
throw new ArrayIndexOutOfBoundsException(index);
}
BlockPosition pos = index < moved.size() ? moved.get(index) : broken.get(index - moved.size());
return bblock.getWorld().getBlockAt(pos.getX(), pos.getY(), pos.getZ());
}
};
int i = list.size() + list1.size();
Block[] ablock = new Block[i];
EnumDirection enumdirection1 = flag ? enumdirection : enumdirection.opposite();
org.bukkit.event.block.BlockPistonEvent event;
if (flag) {
event = new BlockPistonExtendEvent(bblock, blocks, CraftBlock.notchToBlockFace(enumdirection1));
} else {
event = new BlockPistonRetractEvent(bblock, blocks, CraftBlock.notchToBlockFace(enumdirection1));
}
world.getServer().getPluginManager().callEvent(event);
if (event.isCancelled()) {
for (BlockPosition b : broken) {
world.notify(b);
}
for (BlockPosition b : moved) {
world.notify(b);
world.notify(b.shift(enumdirection1));
}
return false;
}
// CraftBukkit end
int j;
BlockPosition blockposition1;
for (j = list1.size() - 1; j >= 0; --j) {
blockposition1 = (BlockPosition) list1.get(j);
Block block = world.getType(blockposition1).getBlock();
block.b(world, blockposition1, world.getType(blockposition1), 0);
world.setAir(blockposition1);
--i;
ablock[i] = block;
}
IBlockData iblockdata;
for (j = list.size() - 1; j >= 0; --j) {
blockposition1 = (BlockPosition) list.get(j);
iblockdata = world.getType(blockposition1);
Block block1 = iblockdata.getBlock();
block1.toLegacyData(iblockdata);
world.setAir(blockposition1);
blockposition1 = blockposition1.shift(enumdirection1);
world.setTypeAndData(blockposition1, Blocks.PISTON_EXTENSION.getBlockData().set(BlockPiston.FACING, enumdirection), 4);
world.setTileEntity(blockposition1, BlockPistonMoving.a(iblockdata, enumdirection, flag, false));
--i;
ablock[i] = block1;
}
BlockPosition blockposition2 = blockposition.shift(enumdirection);
if (flag) {
BlockPistonExtension.EnumPistonType blockpistonextension_enumpistontype = this.sticky ? BlockPistonExtension.EnumPistonType.STICKY : BlockPistonExtension.EnumPistonType.DEFAULT;
iblockdata = Blocks.PISTON_HEAD.getBlockData().set(BlockPistonExtension.FACING, enumdirection).set(BlockPistonExtension.TYPE, blockpistonextension_enumpistontype);
IBlockData iblockdata1 = Blocks.PISTON_EXTENSION.getBlockData().set(BlockPistonMoving.FACING, enumdirection).set(BlockPistonMoving.TYPE, this.sticky ? BlockPistonExtension.EnumPistonType.STICKY : BlockPistonExtension.EnumPistonType.DEFAULT);
world.setTypeAndData(blockposition2, iblockdata1, 4);
world.setTileEntity(blockposition2, BlockPistonMoving.a(iblockdata, enumdirection, true, false));
}
int k;
for (k = list1.size() - 1; k >= 0; --k) {
world.applyPhysics((BlockPosition) list1.get(k), ablock[i++]);
}
for (k = list.size() - 1; k >= 0; --k) {
world.applyPhysics((BlockPosition) list.get(k), ablock[i++]);
}
if (flag) {
world.applyPhysics(blockposition2, Blocks.PISTON_HEAD);
world.applyPhysics(blockposition, this);
}
return true;
}
}
public IBlockData fromLegacyData(int i) {
return this.getBlockData().set(BlockPiston.FACING, b(i)).set(BlockPiston.EXTENDED, Boolean.valueOf((i & 8) > 0));
}
public int toLegacyData(IBlockData iblockdata) {
byte b0 = 0;
int i = b0 | iblockdata.get(BlockPiston.FACING).a();
if (iblockdata.get(BlockPiston.EXTENDED).booleanValue()) {
i |= 8;
}
return i;
}
protected BlockStateList getStateList() {
return new BlockStateList(this, BlockPiston.FACING, BlockPiston.EXTENDED);
}
static class SyntheticClass_1 {
static final int[] a = new int[EnumDirection.values().length];
static {
try {
BlockPiston.SyntheticClass_1.a[EnumDirection.DOWN.ordinal()] = 1;
} catch (NoSuchFieldError nosuchfielderror) {
}
try {
BlockPiston.SyntheticClass_1.a[EnumDirection.UP.ordinal()] = 2;
} catch (NoSuchFieldError nosuchfielderror1) {
}
try {
BlockPiston.SyntheticClass_1.a[EnumDirection.NORTH.ordinal()] = 3;
} catch (NoSuchFieldError nosuchfielderror2) {
}
try {
BlockPiston.SyntheticClass_1.a[EnumDirection.SOUTH.ordinal()] = 4;
} catch (NoSuchFieldError nosuchfielderror3) {
}
try {
BlockPiston.SyntheticClass_1.a[EnumDirection.WEST.ordinal()] = 5;
} catch (NoSuchFieldError nosuchfielderror4) {
}
try {
BlockPiston.SyntheticClass_1.a[EnumDirection.EAST.ordinal()] = 6;
} catch (NoSuchFieldError nosuchfielderror5) {
}
}
}
}
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