package net.minecraft.block;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.util.List;
import java.util.Random;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IconRegister;
import net.minecraft.entity.Entity;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.Facing;
import net.minecraft.util.Icon;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;
public class BlockPistonExtension extends Block
{
/** The texture for the 'head' of the piston. Sticky or normal. */
private Icon headTexture = null;
public BlockPistonExtension(int par1)
{
super(par1, Material.piston);
this.setStepSound(soundStoneFootstep);
this.setHardness(0.5F);
}
@SideOnly(Side.CLIENT)
public void setHeadTexture(Icon par1Icon)
{
this.headTexture = par1Icon;
}
/**
* ejects contained items into the world, and notifies neighbours of an update, as appropriate
*/
public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
{
super.breakBlock(par1World, par2, par3, par4, par5, par6);
int j1 = Facing.oppositeSide[getDirectionMeta(par6)];
par2 += Facing.offsetsXForSide[j1];
par3 += Facing.offsetsYForSide[j1];
par4 += Facing.offsetsZForSide[j1];
int k1 = par1World.getBlockId(par2, par3, par4);
if (k1 == Block.pistonBase.blockID || k1 == Block.pistonStickyBase.blockID)
{
par6 = par1World.getBlockMetadata(par2, par3, par4);
if (BlockPistonBase.isExtended(par6))
{
Block.blocksList[k1].dropBlockAsItem(par1World, par2, par3, par4, par6, 0);
par1World.setBlockToAir(par2, par3, par4);
}
}
}
@SideOnly(Side.CLIENT)
public void clearHeadTexture()
{
this.headTexture = null;
}
@SideOnly(Side.CLIENT)
/**
* From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
*/
public Icon getIcon(int par1, int par2)
{
int k = getDirectionMeta(par2);
return par1 == k ? (this.headTexture != null ? this.headTexture : ((par2 & 8) != 0 ? BlockPistonBase.func_94496_b("piston_top_sticky") : BlockPistonBase.func_94496_b("piston_top"))) : (k < 6 && par1 == Facing.oppositeSide[k] ? BlockPistonBase.func_94496_b("piston_top") : BlockPistonBase.func_94496_b("piston_side"));
}
@SideOnly(Side.CLIENT)
/**
* When this method is called, your block should register all the icons it needs with the given IconRegister. This
* is the only chance you get to register icons.
*/
public void registerIcons(IconRegister par1IconRegister) {}
/**
* The type of render function that is called for this block
*/
public int getRenderType()
{
return 17;
}
/**
* Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two
* adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
*/
public boolean isOpaqueCube()
{
return false;
}
/**
* If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
*/
public boolean renderAsNormalBlock()
{
return false;
}
/**
* Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
*/
public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
{
return false;
}
/**
* checks to see if you can place this block can be placed on that side of a block: BlockLever overrides
*/
public boolean canPlaceBlockOnSide(World par1World, int par2, int par3, int par4, int par5)
{
return false;
}
/**
* Returns the quantity of items to drop on block destruction.
*/
public int quantityDropped(Random par1Random)
{
return 0;
}
/**
* Adds all intersecting collision boxes to a list. (Be sure to only add boxes to the list if they intersect the
* mask.) Parameters: World, X, Y, Z, mask, list, colliding entity
*/
public void addCollisionBoxesToList(World par1World, int par2, int par3, int par4, AxisAlignedBB par5AxisAlignedBB, List par6List, Entity par7Entity)
{
int l = par1World.getBlockMetadata(par2, par3, par4);
switch (getDirectionMeta(l))
{
case 0:
this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.25F, 1.0F);
super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
this.setBlockBounds(0.375F, 0.25F, 0.375F, 0.625F, 1.0F, 0.625F);
super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
break;
case 1:
this.setBlockBounds(0.0F, 0.75F, 0.0F, 1.0F, 1.0F, 1.0F);
super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
this.setBlockBounds(0.375F, 0.0F, 0.375F, 0.625F, 0.75F, 0.625F);
super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
break;
case 2:
this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.25F);
super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
this.setBlockBounds(0.25F, 0.375F, 0.25F, 0.75F, 0.625F, 1.0F);
super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
break;
case 3:
this.setBlockBounds(0.0F, 0.0F, 0.75F, 1.0F, 1.0F, 1.0F);
super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
this.setBlockBounds(0.25F, 0.375F, 0.0F, 0.75F, 0.625F, 0.75F);
super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
break;
case 4:
this.setBlockBounds(0.0F, 0.0F, 0.0F, 0.25F, 1.0F, 1.0F);
super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
this.setBlockBounds(0.375F, 0.25F, 0.25F, 0.625F, 0.75F, 1.0F);
super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
break;
case 5:
this.setBlockBounds(0.75F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
this.setBlockBounds(0.0F, 0.375F, 0.25F, 0.75F, 0.625F, 0.75F);
super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
}
this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
}
/**
* Updates the blocks bounds based on its current state. Args: world, x, y, z
*/
public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
{
int l = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
switch (getDirectionMeta(l))
{
case 0:
this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.25F, 1.0F);
break;
case 1:
this.setBlockBounds(0.0F, 0.75F, 0.0F, 1.0F, 1.0F, 1.0F);
break;
case 2:
this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.25F);
break;
case 3:
this.setBlockBounds(0.0F, 0.0F, 0.75F, 1.0F, 1.0F, 1.0F);
break;
case 4:
this.setBlockBounds(0.0F, 0.0F, 0.0F, 0.25F, 1.0F, 1.0F);
break;
case 5:
this.setBlockBounds(0.75F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
}
}
/**
* Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
* their own) Args: x, y, z, neighbor blockID
*/
public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
{
int i1 = getDirectionMeta(par1World.getBlockMetadata(par2, par3, par4));
int j1 = par1World.getBlockId(par2 - Facing.offsetsXForSide[i1], par3 - Facing.offsetsYForSide[i1], par4 - Facing.offsetsZForSide[i1]);
if (j1 != Block.pistonBase.blockID && j1 != Block.pistonStickyBase.blockID)
{
par1World.setBlockToAir(par2, par3, par4);
}
else
{
Block.blocksList[j1].onNeighborBlockChange(par1World, par2 - Facing.offsetsXForSide[i1], par3 - Facing.offsetsYForSide[i1], par4 - Facing.offsetsZForSide[i1], par5);
}
}
public static int getDirectionMeta(int par0)
{
return par0 & 7;
}
@SideOnly(Side.CLIENT)
/**
* only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
*/
public int idPicked(World par1World, int par2, int par3, int par4)
{
return 0;
}
}