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package org.bukkit.material;
import java.util.EnumSet;
import java.util.Set;
import org.apache.commons.lang.Validate;
import org.bukkit.Material;
import org.bukkit.block.BlockFace;
/**
* Represents a huge mushroom block
*/
public class Mushroom extends MaterialData {
private static final byte SHROOM_NONE = 0;
private static final byte SHROOM_STEM = 10;
private static final byte NORTH_LIMIT = 4;
private static final byte SOUTH_LIMIT = 6;
private static final byte EAST_WEST_LIMIT = 3;
private static final byte EAST_REMAINDER = 0;
private static final byte WEST_REMAINDER = 1;
private static final byte NORTH_SOUTH_MOD = 3;
private static final byte EAST_WEST_MOD = 1;
public Mushroom(Material shroom) {
super(shroom);
Validate.isTrue(shroom == Material.HUGE_MUSHROOM_1 || shroom == Material.HUGE_MUSHROOM_2, "Not a mushroom!");
}
public Mushroom(Material shroom, byte data) {
super(shroom, data);
Validate.isTrue(shroom == Material.HUGE_MUSHROOM_1 || shroom == Material.HUGE_MUSHROOM_2, "Not a mushroom!");
}
public Mushroom(int type, byte data){
super(type, data);
Validate.isTrue(type == Material.HUGE_MUSHROOM_1.getId() || type == Material.HUGE_MUSHROOM_2.getId(), "Not a mushroom!");
}
/**
* @return Whether this is a mushroom stem.
*/
public boolean isStem() {
return getData() == SHROOM_STEM;
}
/**
* Sets this to be a mushroom stem.
*/
public void setStem() {
setData((byte) 10);
}
/**
* Checks whether a face of the block is painted.
* @param face The face to check.
* @return True if it is painted.
*/
public boolean isFacePainted(BlockFace face) {
byte data = getData();
if (data == SHROOM_NONE || data == SHROOM_STEM) {
return false;
}
switch (face) {
case WEST:
return data < NORTH_LIMIT;
case EAST:
return data > SOUTH_LIMIT;
case NORTH:
return data % EAST_WEST_LIMIT == EAST_REMAINDER;
case SOUTH:
return data % EAST_WEST_LIMIT == WEST_REMAINDER;
case UP:
return true;
default:
return false;
}
}
/**
* Set a face of the block to be painted or not. Note that due to the nature of how the data is stored,
* setting a face painted or not is not guaranteed to leave the other faces unchanged.
* @param face The face to paint or unpaint.
* @param painted True if you want to paint it, false if you want the pores to show.
*/
public void setFacePainted(BlockFace face, boolean painted) {
if (painted == isFacePainted(face)) {
return;
}
byte data = getData();
if (data == SHROOM_STEM) {
data = 5;
}
switch (face) {
case WEST:
if (painted) {
data -= NORTH_SOUTH_MOD;
} else {
data += NORTH_SOUTH_MOD;
}
break;
case EAST:
if (painted) {
data += NORTH_SOUTH_MOD;
} else {
data -= NORTH_SOUTH_MOD;
}
break;
case NORTH:
if (painted) {
data += EAST_WEST_MOD;
} else {
data -= EAST_WEST_MOD;
}
break;
case SOUTH:
if (painted) {
data -= EAST_WEST_MOD;
} else {
data += EAST_WEST_MOD;
}
break;
case UP:
if (!painted) {
data = 0;
}
break;
default:
throw new IllegalArgumentException("Can't paint that face of a mushroom!");
}
setData(data);
}
/**
* @return A set of all faces that are currently painted (an empty set if it is a stem)
*/
public Set<BlockFace> getPaintedFaces() {
EnumSet<BlockFace> faces = EnumSet.noneOf(BlockFace.class);
if (isFacePainted(BlockFace.WEST)) {
faces.add(BlockFace.WEST);
}
if (isFacePainted(BlockFace.NORTH)) {
faces.add(BlockFace.NORTH);
}
if (isFacePainted(BlockFace.SOUTH)) {
faces.add(BlockFace.SOUTH);
}
if (isFacePainted(BlockFace.EAST)) {
faces.add(BlockFace.EAST);
}
if (isFacePainted(BlockFace.UP)) {
faces.add(BlockFace.UP);
}
return faces;
}
@Override
public String toString() {
return Material.getMaterial(getItemTypeId()).toString() + (isStem() ? "{STEM}" : getPaintedFaces());
}
@Override
public Mushroom clone() {
return (Mushroom) super.clone();
}
}
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