package net.minecraft.tileentity;
import com.google.common.collect.Lists;
import java.util.Iterator;
import java.util.List;
import net.minecraft.block.Block;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
import net.minecraft.init.Blocks;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.server.gui.IUpdatePlayerListBox;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.EnumFacing;
public class TileEntityPiston extends TileEntity implements IUpdatePlayerListBox
{
private IBlockState field_174932_a;
private EnumFacing field_174931_f;
/** if this piston is extending or not */
private boolean extending;
private boolean shouldHeadBeRendered;
private float progress;
/** the progress in (de)extending */
private float lastProgress;
private List field_174933_k = Lists.newArrayList();
private static final String __OBFID = "CL_00000369";
public TileEntityPiston() {}
public TileEntityPiston(IBlockState p_i45665_1_, EnumFacing p_i45665_2_, boolean p_i45665_3_, boolean p_i45665_4_)
{
this.field_174932_a = p_i45665_1_;
this.field_174931_f = p_i45665_2_;
this.extending = p_i45665_3_;
this.shouldHeadBeRendered = p_i45665_4_;
}
public IBlockState func_174927_b()
{
return this.field_174932_a;
}
public int getBlockMetadata()
{
return 0;
}
/**
* Returns true if a piston is extending
*/
public boolean isExtending()
{
return this.extending;
}
public EnumFacing func_174930_e()
{
return this.field_174931_f;
}
public float func_145860_a(float p_145860_1_)
{
if (p_145860_1_ > 1.0F)
{
p_145860_1_ = 1.0F;
}
return this.lastProgress + (this.progress - this.lastProgress) * p_145860_1_;
}
private void func_145863_a(float p_145863_1_, float p_145863_2_)
{
if (this.extending)
{
p_145863_1_ = 1.0F - p_145863_1_;
}
else
{
--p_145863_1_;
}
AxisAlignedBB var3 = Blocks.piston_extension.func_176424_a(this.worldObj, this.pos, this.field_174932_a, p_145863_1_, this.field_174931_f);
if (var3 != null)
{
List var4 = this.worldObj.getEntitiesWithinAABBExcludingEntity((Entity)null, var3);
if (!var4.isEmpty())
{
this.field_174933_k.addAll(var4);
Iterator var5 = this.field_174933_k.iterator();
while (var5.hasNext())
{
Entity var6 = (Entity)var5.next();
if (this.field_174932_a.getBlock() == Blocks.slime_block && this.extending)
{
switch (TileEntityPiston.SwitchAxis.field_177248_a[this.field_174931_f.getAxis().ordinal()])
{
case 1:
var6.motionX = (double)this.field_174931_f.getFrontOffsetX();
break;
case 2:
var6.motionY = (double)this.field_174931_f.getFrontOffsetY();
break;
case 3:
var6.motionZ = (double)this.field_174931_f.getFrontOffsetZ();
}
}
else
{
var6.moveEntity((double)(p_145863_2_ * (float)this.field_174931_f.getFrontOffsetX()), (double)(p_145863_2_ * (float)this.field_174931_f.getFrontOffsetY()), (double)(p_145863_2_ * (float)this.field_174931_f.getFrontOffsetZ()));
}
}
this.field_174933_k.clear();
}
}
}
/**
* removes a piston's tile entity (and if the piston is moving, stops it)
*/
public void clearPistonTileEntity()
{
if (this.lastProgress < 1.0F && this.worldObj != null)
{
this.lastProgress = this.progress = 1.0F;
this.worldObj.removeTileEntity(this.pos);
this.invalidate();
if (this.worldObj.getBlockState(this.pos).getBlock() == Blocks.piston_extension)
{
this.worldObj.setBlockState(this.pos, this.field_174932_a, 3);
this.worldObj.notifyBlockOfStateChange(this.pos, this.field_174932_a.getBlock());
}
}
}
/**
* Updates the JList with a new model.
*/
public void update()
{
this.lastProgress = this.progress;
if (this.lastProgress >= 1.0F)
{
this.func_145863_a(1.0F, 0.25F);
this.worldObj.removeTileEntity(this.pos);
this.invalidate();
if (this.worldObj.getBlockState(this.pos).getBlock() == Blocks.piston_extension)
{
this.worldObj.setBlockState(this.pos, this.field_174932_a, 3);
this.worldObj.notifyBlockOfStateChange(this.pos, this.field_174932_a.getBlock());
}
}
else
{
this.progress += 0.5F;
if (this.progress >= 1.0F)
{
this.progress = 1.0F;
}
if (this.extending)
{
this.func_145863_a(this.progress, this.progress - this.lastProgress + 0.0625F);
}
}
}
public void readFromNBT(NBTTagCompound compound)
{
super.readFromNBT(compound);
this.field_174932_a = Block.getBlockById(compound.getInteger("blockId")).getStateFromMeta(compound.getInteger("blockData"));
this.field_174931_f = EnumFacing.getFront(compound.getInteger("facing"));
this.lastProgress = this.progress = compound.getFloat("progress");
this.extending = compound.getBoolean("extending");
}
public void writeToNBT(NBTTagCompound compound)
{
super.writeToNBT(compound);
compound.setInteger("blockId", Block.getIdFromBlock(this.field_174932_a.getBlock()));
compound.setInteger("blockData", this.field_174932_a.getBlock().getMetaFromState(this.field_174932_a));
compound.setInteger("facing", this.field_174931_f.getIndex());
compound.setFloat("progress", this.lastProgress);
compound.setBoolean("extending", this.extending);
}
static final class SwitchAxis
{
static final int[] field_177248_a = new int[EnumFacing.Axis.values().length];
private static final String __OBFID = "CL_00002034";
static
{
try
{
field_177248_a[EnumFacing.Axis.X.ordinal()] = 1;
}
catch (NoSuchFieldError var3)
{
;
}
try
{
field_177248_a[EnumFacing.Axis.Y.ordinal()] = 2;
}
catch (NoSuchFieldError var2)
{
;
}
try
{
field_177248_a[EnumFacing.Axis.Z.ordinal()] = 3;
}
catch (NoSuchFieldError var1)
{
;
}
}
}
}