QuickShop/src/main/java/org/maxgamer/quickshop/Util/Util.java

938 lines
25 KiB
Java

package org.maxgamer.quickshop.Util;
import java.text.DecimalFormat;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import org.bukkit.ChatColor;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.block.BlockState;
import org.bukkit.configuration.InvalidConfigurationException;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.enchantments.Enchantment;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.EnchantmentStorageMeta;
import org.bukkit.material.MaterialData;
import org.bukkit.material.Sign;
import org.bukkit.potion.Potion;
import org.bukkit.potion.PotionEffect;
import org.maxgamer.quickshop.QuickShop;
@SuppressWarnings("deprecation")
public class Util {
private static HashSet<Material> tools = new HashSet<Material>();
private static HashSet<Material> blacklist = new HashSet<Material>();
private static HashSet<Material> shoppables = new HashSet<Material>();
private static HashSet<Material> transparent = new HashSet<Material>();
private static QuickShop plugin;
static {
plugin = QuickShop.instance;
for (String s : plugin.getConfig().getStringList("shop-blocks")) {
Material mat = Material.getMaterial(s.toUpperCase());
if (mat == null) {
try {
mat = Material.getMaterial(Integer.parseInt(s));
} catch (NumberFormatException e) {
}
}
if (mat == null) {
plugin.getLogger().info("Invalid shop-block: " + s);
} else {
shoppables.add(mat);
}
}
tools.add(Material.BOW);
tools.add(Material.SHEARS);
tools.add(Material.FISHING_ROD);
tools.add(Material.FLINT_AND_STEEL);
tools.add(Material.CHAINMAIL_BOOTS);
tools.add(Material.CHAINMAIL_CHESTPLATE);
tools.add(Material.CHAINMAIL_HELMET);
tools.add(Material.CHAINMAIL_LEGGINGS);
tools.add(Material.WOOD_AXE);
tools.add(Material.WOOD_HOE);
tools.add(Material.WOOD_PICKAXE);
tools.add(Material.WOOD_SPADE);
tools.add(Material.WOOD_SWORD);
tools.add(Material.LEATHER_BOOTS);
tools.add(Material.LEATHER_CHESTPLATE);
tools.add(Material.LEATHER_HELMET);
tools.add(Material.LEATHER_LEGGINGS);
tools.add(Material.DIAMOND_AXE);
tools.add(Material.DIAMOND_HOE);
tools.add(Material.DIAMOND_PICKAXE);
tools.add(Material.DIAMOND_SPADE);
tools.add(Material.DIAMOND_SWORD);
tools.add(Material.DIAMOND_BOOTS);
tools.add(Material.DIAMOND_CHESTPLATE);
tools.add(Material.DIAMOND_HELMET);
tools.add(Material.DIAMOND_LEGGINGS);
tools.add(Material.STONE_AXE);
tools.add(Material.STONE_HOE);
tools.add(Material.STONE_PICKAXE);
tools.add(Material.STONE_SPADE);
tools.add(Material.STONE_SWORD);
tools.add(Material.GOLD_AXE);
tools.add(Material.GOLD_HOE);
tools.add(Material.GOLD_PICKAXE);
tools.add(Material.GOLD_SPADE);
tools.add(Material.GOLD_SWORD);
tools.add(Material.GOLD_BOOTS);
tools.add(Material.GOLD_CHESTPLATE);
tools.add(Material.GOLD_HELMET);
tools.add(Material.GOLD_LEGGINGS);
tools.add(Material.IRON_AXE);
tools.add(Material.IRON_HOE);
tools.add(Material.IRON_PICKAXE);
tools.add(Material.IRON_SPADE);
tools.add(Material.IRON_SWORD);
tools.add(Material.IRON_BOOTS);
tools.add(Material.IRON_CHESTPLATE);
tools.add(Material.IRON_HELMET);
tools.add(Material.IRON_LEGGINGS);
List<String> configBlacklist = plugin.getConfig().getStringList("blacklist");
for (String s : configBlacklist) {
Material mat = Material.getMaterial(s.toUpperCase());
if (mat == null) {
mat = Material.getMaterial(Integer.parseInt(s));
if (mat == null) {
plugin.getLogger().info(s + " is not a valid material. Check your spelling or ID");
continue;
}
}
blacklist.add(mat);
}
transparent.clear();
// ToDo: add extras to config file
addTransparentBlock(Material.AIR);
/* Misc */
addTransparentBlock(Material.CAKE_BLOCK);
/* Redstone Material */
addTransparentBlock(Material.REDSTONE_WIRE);
/* Redstone Torches */
addTransparentBlock(Material.REDSTONE_TORCH_OFF);
addTransparentBlock(Material.REDSTONE_TORCH_ON);
/* Diodes (Repeaters) */
addTransparentBlock(Material.DIODE_BLOCK_OFF);
addTransparentBlock(Material.DIODE_BLOCK_ON);
/* Power Sources */
addTransparentBlock(Material.DETECTOR_RAIL);
addTransparentBlock(Material.LEVER);
addTransparentBlock(Material.STONE_BUTTON);
addTransparentBlock(Material.WOOD_BUTTON);
addTransparentBlock(Material.STONE_PLATE);
addTransparentBlock(Material.WOOD_PLATE);
/* Nature Material */
addTransparentBlock(Material.RED_MUSHROOM);
addTransparentBlock(Material.BROWN_MUSHROOM);
addTransparentBlock(Material.RED_ROSE);
addTransparentBlock(Material.YELLOW_FLOWER);
addTransparentBlock(Material.FLOWER_POT);
/* Greens */
addTransparentBlock(Material.LONG_GRASS);
addTransparentBlock(Material.VINE);
addTransparentBlock(Material.WATER_LILY);
/* Seedy things */
addTransparentBlock(Material.MELON_STEM);
addTransparentBlock(Material.PUMPKIN_STEM);
addTransparentBlock(Material.CROPS);
addTransparentBlock(Material.NETHER_WARTS);
/* Semi-nature */
addTransparentBlock(Material.SNOW);
addTransparentBlock(Material.FIRE);
addTransparentBlock(Material.WEB);
addTransparentBlock(Material.TRIPWIRE);
addTransparentBlock(Material.TRIPWIRE_HOOK);
/* Stairs */
addTransparentBlock(Material.COBBLESTONE_STAIRS);
addTransparentBlock(Material.BRICK_STAIRS);
addTransparentBlock(Material.SANDSTONE_STAIRS);
addTransparentBlock(Material.NETHER_BRICK_STAIRS);
addTransparentBlock(Material.SMOOTH_STAIRS);
/* Wood Stairs */
addTransparentBlock(Material.BIRCH_WOOD_STAIRS);
addTransparentBlock(Material.WOOD_STAIRS);
addTransparentBlock(Material.JUNGLE_WOOD_STAIRS);
addTransparentBlock(Material.SPRUCE_WOOD_STAIRS);
/* Lava & Water */
addTransparentBlock(Material.LAVA);
addTransparentBlock(Material.STATIONARY_LAVA);
addTransparentBlock(Material.WATER);
addTransparentBlock(Material.STATIONARY_WATER);
/* Saplings and bushes */
addTransparentBlock(Material.SAPLING);
addTransparentBlock(Material.DEAD_BUSH);
/* Construction Material */
/* Fences */
addTransparentBlock(Material.FENCE);
addTransparentBlock(Material.FENCE_GATE);
addTransparentBlock(Material.IRON_FENCE);
addTransparentBlock(Material.NETHER_FENCE);
/* Ladders, Signs */
addTransparentBlock(Material.LADDER);
addTransparentBlock(Material.SIGN_POST);
addTransparentBlock(Material.WALL_SIGN);
/* Bed */
addTransparentBlock(Material.BED_BLOCK);
/* Pistons */
addTransparentBlock(Material.PISTON_EXTENSION);
addTransparentBlock(Material.PISTON_MOVING_PIECE);
addTransparentBlock(Material.RAILS);
/* Torch & Trapdoor */
addTransparentBlock(Material.TORCH);
addTransparentBlock(Material.TRAP_DOOR);
/* New */
addTransparentBlock(Material.BREWING_STAND);
addTransparentBlock(Material.WOODEN_DOOR);
addTransparentBlock(Material.WOOD_STEP);
}
public static boolean isTransparent(Material m) {
boolean trans = transparent.contains(m);
return trans;
}
public static void addTransparentBlock(Material m) {
if (transparent.add(m) == false) {
System.out.println("Already added as transparent: " + m.toString());
}
if (!m.isBlock())
System.out.println(m + " is not a block!");
}
public static void parseColours(YamlConfiguration config) {
Set<String> keys = config.getKeys(true);
for (String key : keys) {
String filtered = config.getString(key);
if (filtered.startsWith("MemorySection")) {
continue;
}
filtered = ChatColor.translateAlternateColorCodes('&', filtered);
config.set(key, filtered);
}
}
/**
* Returns true if the given block could be used to make a shop out of.
*
* @param b
* The block to check. Possibly a chest, dispenser, etc.
* @return True if it can be made into a shop, otherwise false.
*/
public static boolean canBeShop(Block b) {
BlockState bs = b.getState();
if (bs instanceof InventoryHolder == false)
return false;
return shoppables.contains(bs.getType());
}
/**
* Gets the percentage (Without trailing %) damage on a tool.
*
* @param item
* The ItemStack of tools to check
* @return The percentage 'health' the tool has. (Opposite of total damage)
*/
public static String getToolPercentage(ItemStack item) {
double dura = item.getDurability();
double max = item.getType().getMaxDurability();
DecimalFormat formatter = new DecimalFormat("0");
return formatter.format((1 - dura / max) * 100.0);
}
/**
* Returns the chest attached to the given chest. The given block must be a
* chest.
*
* @param b
* The chest to check.
* @return the block which is also a chest and connected to b.
*/
public static Block getSecondHalf(Block b) {
if (b.getType().toString().contains("CHEST") == false)
return null;
Block[] blocks = new Block[4];
blocks[0] = b.getRelative(1, 0, 0);
blocks[1] = b.getRelative(-1, 0, 0);
blocks[2] = b.getRelative(0, 0, 1);
blocks[3] = b.getRelative(0, 0, -1);
for (Block c : blocks) {
if (c.getType() == b.getType()) {
return c;
}
}
return null;
}
/**
* Converts a string into an item from the database.
*
* @param itemString
* The database string. Is the result of makeString(ItemStack
* item).
* @return A new itemstack, with the properties given in the string
*/
public static ItemStack makeItem(String itemString) {
String[] itemInfo = itemString.split(":");
ItemStack item = new ItemStack(Material.getMaterial(itemInfo[0]));
MaterialData data = new MaterialData(Integer.parseInt(itemInfo[1]));
item.setData(data);
item.setDurability(Short.parseShort(itemInfo[2]));
item.setAmount(Integer.parseInt(itemInfo[3]));
for (int i = 4; i < itemInfo.length; i = i + 2) {
int level = Integer.parseInt(itemInfo[i + 1]);
Enchantment ench = Enchantment.getByName(itemInfo[i]);
if (ench == null)
continue; // Invalid
if (ench.canEnchantItem(item)) {
if (level <= 0)
continue;
level = Math.min(ench.getMaxLevel(), level);
item.addEnchantment(ench, level);
}
}
return item;
}
public static String serialize(ItemStack iStack) {
YamlConfiguration cfg = new YamlConfiguration();
cfg.set("item", iStack);
return cfg.saveToString();
}
public static ItemStack deserialize(String config) throws InvalidConfigurationException {
YamlConfiguration cfg = new YamlConfiguration();
cfg.loadFromString(config);
ItemStack stack = cfg.getItemStack("item");
return stack;
}
/**
* Fetches an ItemStack's name - For example, converting INK_SAC:11 to
* Dandellion Yellow, or WOOL:14 to Red Wool
*
* @param i
* The itemstack to fetch the name of
* @return The human readable item name.
*/
public static String getName(ItemStack i) {
String vanillaName = getDataName(i.getType(), i.getDurability());
return prettifyText(vanillaName);
}
/**
* Converts a name like IRON_INGOT into Iron Ingot to improve readability
*
* @param ugly
* The string such as IRON_INGOT
* @return A nicer version, such as Iron Ingot
*
*/
public static String prettifyText(String ugly) {
String[] nameParts = ugly.split("_");
if (nameParts.length==1) {
return firstUppercase(ugly);
}
StringBuilder sb=new StringBuilder();
for (String part : nameParts) {
sb.append(firstUppercase(part)+" ");
}
return sb.toString();
}
// Let's make very long names shorter for our sign
public static String getNameForSign(ItemStack itemStack) {
String name = getDataName(itemStack.getType(), itemStack.getDurability());
String[] nameParts = name.split("_");
if (nameParts.length==1) {
return firstUppercase(nameParts[0]);
}
for (int i=0; i<nameParts.length-1; i++) {
int length = StringUtils.join(nameParts).length();
if (length>16) {
nameParts[i] = nameParts[i].substring(0, 1)+".";
} else {
nameParts[i] = firstUppercase(nameParts[i]);
}
}
nameParts[nameParts.length-1] = firstUppercase(nameParts[nameParts.length-1]);
return StringUtils.join(nameParts);
}
public static String firstUppercase(String string) {
if (string.length()>1) {
return Character.toUpperCase(string.charAt(0))+string.substring(1).toLowerCase();
} else {
return string.toUpperCase();
}
}
public static String toRomain(Integer value) {
return toRoman(value.intValue());
}
private static final String[] ROMAN = { "X", "IX", "V", "IV", "I" };
private static final int[] DECIMAL = { 10, 9, 5, 4, 1 };
/**
* Converts the given number to roman numerals. If the number is >= 40 or <=
* 0, it will just return the number as a string.
*
* @param n
* The number to convert
* @return The roman numeral representation of this number, or the number in
* decimal form as a string if n <= 0 || n >= 40.
*/
public static String toRoman(int n) {
if (n <= 0 || n >= 40)
return "" + n;
String roman = "";
for (int i = 0; i < ROMAN.length; i++) {
while (n >= DECIMAL[i]) {
n -= DECIMAL[i];
roman += ROMAN[i];
}
}
return roman;
}
/**
* Converts a given material and data value into a format similar to
* Material.<?>.toString(). Upper case, with underscores. Includes material
* name in result.
*
* @param mat
* The base material.
* @param damage
* The durability/damage of the item.
* @return A string with the name of the item.
*/
private static String getDataName(Material mat, short damage) {
int id = mat.getId();
switch (id) {
case 35:
switch ((int) damage) {
case 0:
return "WHITE_WOOL";
case 1:
return "ORANGE_WOOL";
case 2:
return "MAGENTA_WOOL";
case 3:
return "LIGHT_BLUE_WOOL";
case 4:
return "YELLOW_WOOL";
case 5:
return "LIME_WOOL";
case 6:
return "PINK_WOOL";
case 7:
return "GRAY_WOOL";
case 8:
return "LIGHT_GRAY_WOOL";
case 9:
return "CYAN_WOOL";
case 10:
return "PURPLE_WOOL";
case 11:
return "BLUE_WOOL";
case 12:
return "BROWN_WOOL";
case 13:
return "GREEN_WOOL";
case 14:
return "RED_WOOL";
case 15:
return "BLACK_WOOL";
}
return mat.toString();
case 351:
switch ((int) damage) {
case 0:
return "INK_SAC";
case 1:
return "ROSE_RED";
case 2:
return "CACTUS_GREEN";
case 3:
return "COCOA_BEANS";
case 4:
return "LAPIS_LAZULI";
case 5:
return "PURPLE_DYE";
case 6:
return "CYAN_DYE";
case 7:
return "LIGHT_GRAY_DYE";
case 8:
return "GRAY_DYE";
case 9:
return "PINK_DYE";
case 10:
return "LIME_DYE";
case 11:
return "DANDELION_YELLOW";
case 12:
return "LIGHT_BLUE_DYE";
case 13:
return "MAGENTA_DYE";
case 14:
return "ORANGE_DYE";
case 15:
return "BONE_MEAL";
}
return mat.toString();
case 98:
switch ((int) damage) {
case 0:
return "STONE_BRICKS";
case 1:
return "MOSSY_STONE_BRICKS";
case 2:
return "CRACKED_STONE_BRICKS";
case 3:
return "CHISELED_STONE_BRICKS";
}
return mat.toString();
case 373:
// Special case,.. Why?
if (damage == 0)
return "WATER_BOTTLE";
Potion pot;
try {
pot = Potion.fromDamage(damage);
} catch (Exception e) {
return "CUSTOM_POTION";
}
String prefix = "";
String suffix = "";
if (pot.getLevel() > 0)
suffix += "_" + pot.getLevel();
if (pot.hasExtendedDuration())
prefix += "EXTENDED_";
if (pot.isSplash())
prefix += "SPLASH_";
if (pot.getEffects().isEmpty()) {
switch ((int) pot.getNameId()) {
case 0:
return prefix + "MUNDANE_POTION" + suffix;
case 7:
return prefix + "CLEAR_POTION" + suffix;
case 11:
return prefix + "DIFFUSE_POTION" + suffix;
case 13:
return prefix + "ARTLESS_POTION" + suffix;
case 15:
return prefix + "THIN_POTION" + suffix;
case 16:
return prefix + "AWKWARD_POTION" + suffix;
case 32:
return prefix + "THICK_POTION" + suffix;
}
} else {
String effects = "";
for (PotionEffect effect : pot.getEffects()) {
effects += effect.toString().split(":")[0];
}
return prefix + effects + suffix;
}
return mat.toString();
case 6:
switch ((int) damage) {
case 0:
return "OAK_SAPLING";
case 1:
return "PINE_SAPLING";
case 2:
return "BIRCH_SAPLING";
case 3:
return "JUNGLE_TREE_SAPLING";
}
return mat.toString();
case 5:
switch ((int) damage) {
case 0:
return "OAK_PLANKS";
case 1:
return "PINE_PLANKS";
case 2:
return "BIRCH_PLANKS";
case 3:
return "JUNGLE_PLANKS";
}
return mat.toString();
case 17:
switch (damage) {
case 0:
return "OAK_LOG";
case 1:
return "PINE_LOG";
case 2:
return "BIRCH_LOG";
case 3:
return "JUNGLE_LOG";
}
return mat.toString();
case 18:
damage = (short) (damage % 4);
switch (damage) {
case 0:
return "OAK_LEAVES";
case 1:
return "PINE_LEAVES";
case 2:
return "BIRCH_LEAVES";
case 3:
return "JUNGLE_LEAVES";
}
case 263:
switch (damage) {
case 0:
return "COAL";
case 1:
return "CHARCOAL";
}
return mat.toString();
case 24:
switch ((int) damage) {
case 0:
return "SANDSTONE";
case 1:
return "CHISELED_SANDSTONE";
case 2:
return "SMOOTH_SANDSTONE";
}
return mat.toString();
case 31:
switch ((int) damage) {
case 0:
return "DEAD_SHRUB";
case 1:
return "TALL_GRASS";
case 2:
return "FERN";
}
return mat.toString();
case 44:
switch ((int) damage) {
case 0:
return "STONE_SLAB";
case 1:
return "SANDSTONE_SLAB";
case 2:
return "WOODEN_SLAB";
case 3:
return "COBBLESTONE_SLAB";
case 4:
return "BRICK_SLAB";
case 5:
return "STONE_BRICK_SLAB";
}
return mat.toString();
case 383:
switch ((int) damage) {
case 50:
return "CREEPER_EGG";
case 51:
return "SKELETON_EGG";
case 52:
return "SPIDER_EGG";
case 53:
return "GIANT_EGG";
case 54:
return "ZOMBIE_EGG";
case 55:
return "SLIME_EGG";
case 56:
return "GHAST_EGG";
case 57:
return "ZOMBIE_PIGMAN_EGG";
case 58:
return "ENDERMAN_EGG";
case 59:
return "CAVE_SPIDER_EGG";
case 60:
return "SILVERFISH_EGG";
case 61:
return "BLAZE_EGG";
case 62:
return "MAGMA_CUBE_EGG";
case 63:
return "ENDER_DRAGON_EGG";
case 90:
return "PIG_EGG";
case 91:
return "SHEEP_EGG";
case 92:
return "COW_EGG";
case 93:
return "CHICKEN_EGG";
case 94:
return "SQUID_EGG";
case 95:
return "WOLF_EGG";
case 96:
return "MOOSHROOM_EGG";
case 97:
return "SNOW_GOLEM_EGG";
case 98:
return "OCELOT_EGG";
case 99:
return "IRON_GOLEM_EGG";
case 120:
return "VILLAGER_EGG";
case 200:
return "ENDER_CRYSTAL_EGG";
case 14:
return "PRIMED_TNT_EGG";
case 66:
return "WITCH_EGG";
case 65:
return "BAT_EGG";
}
return mat.toString();
case 397:
switch ((int) damage) {
case 0:
return "SKELETON_SKULL";
case 1:
return "WITHER_SKULL";
case 2:
return "ZOMBIE_HEAD";
case 3:
return "PLAYER_HEAD";
case 4:
return "CREEPER_HEAD";
}
break;
case 76:
return "REDSTONE_TORCH";
case 115:
return "NETHER_WART";
case 30:
return "COBWEB";
case 102:
return "GLASS_PANE";
case 101:
return "IRON_BARS";
case 58:
return "CRAFTING_TABLE";
case 123:
return "REDSTONE_LAMP";
case 392:
return "POTATO";
case 289:
return "GUNPOWDER";
case 391:
return "CARROT";
case 322:
switch ((int) damage) {
case 0:
return "GOLDEN_APPLE";
case 1:
return "ENCHANTED_GOLDEN_APPLE";
}
break;
case 390:
return "FLOWER_POT";
case 145:
switch ((int) damage) {
case 0:
return "ANVIL";
case 1:
return "SLIGHTLY_DAMAGED_ANVIL";
case 2:
return "VERY_DAMAGED:ANVIL";
}
break;
case 384:
return "BOTTLE_O'_ENCHANTING";
case 402:
return "FIREWORK_STAR";
case 385:
return "FIREWORK_CHARGE";
}
if (damage == 0 || isTool(mat))
return mat.toString();
return mat.toString() + ":" + damage;
}
/**
* @param mat
* The material to check
* @return Returns true if the item is a tool (Has durability) or false if
* it doesn't.
*/
public static boolean isTool(Material mat) {
return tools.contains(mat);
}
/**
* Compares two items to each other. Returns true if they match.
*
* @param stack1
* The first item stack
* @param stack2
* The second item stack
* @return true if the itemstacks match. (Material, durability, enchants)
*/
public static boolean matches(ItemStack stack1, ItemStack stack2) {
if (stack1 == stack2)
return true; // Referring to the same thing, or both are null.
if (stack1 == null || stack2 == null)
return false; // One of them is null (Can't be both, see above)
if (stack1.getType() != stack2.getType())
return false; // Not the same material
if (stack1.getDurability() != stack2.getDurability())
return false; // Not the same durability
if (!stack1.getEnchantments().equals(stack2.getEnchantments()))
return false; // They have the same enchants
try {
Class.forName("org.bukkit.inventory.meta.EnchantmentStorageMeta");
boolean book1 = stack1.getItemMeta() instanceof EnchantmentStorageMeta;
boolean book2 = stack2.getItemMeta() instanceof EnchantmentStorageMeta;
if (book1 != book2)
return false;// One has enchantment meta, the other does not.
if (book1 == true) { // They are the same here (both true or both
// false). So if one is true, the other is
// true.
Map<Enchantment, Integer> ench1 = ((EnchantmentStorageMeta) stack1.getItemMeta()).getStoredEnchants();
Map<Enchantment, Integer> ench2 = ((EnchantmentStorageMeta) stack2.getItemMeta()).getStoredEnchants();
if (!ench1.equals(ench2))
return false; // Enchants aren't the same.
}
} catch (ClassNotFoundException e) {
// Nothing. They dont have a build high enough to support this.
}
return true;
}
/**
* Formats the given number according to how vault would like it. E.g. $50
* or 5 dollars.
*
* @return The formatted string.
*/
public static String format(double n) {
try {
return plugin.getEcon().format(n);
} catch (NumberFormatException e) {
return "$" + n;
}
}
/**
* @param m
* The material to check if it is blacklisted
* @return true if the material is black listed. False if not.
*/
public static boolean isBlacklisted(Material m) {
return blacklist.contains(m);
}
/**
* Fetches the block which the given sign is attached to
*
* @param sign
* The sign which is attached
* @return The block the sign is attached to
*/
public static Block getAttached(Block b) {
try {
Sign sign = (Sign) b.getState().getData(); // Throws a NPE
// sometimes??
BlockFace attached = sign.getAttachedFace();
if (attached == null)
return null;
return b.getRelative(attached);
} catch (NullPointerException e) {
return null; // /Not sure what causes this.
}
}
/**
* Counts the number of items in the given inventory where
* Util.matches(inventory item, item) is true.
*
* @param inv
* The inventory to search
* @param item
* The ItemStack to search for
* @return The number of items that match in this inventory.
*/
public static int countItems(Inventory inv, ItemStack item) {
int items = 0;
for (ItemStack iStack : inv.getContents()) {
if (iStack == null)
continue;
if (Util.matches(item, iStack)) {
items += iStack.getAmount();
}
}
return items;
}
/**
* Returns the number of items that can be given to the inventory safely.
*
* @param inv
* The inventory to count
* @param item
* The item prototype. Material, durabiltiy and enchants must
* match for 'stackability' to occur.
* @return The number of items that can be given to the inventory safely.
*/
public static int countSpace(Inventory inv, ItemStack item) {
int space = 0;
for (ItemStack iStack : inv.getContents()) {
if (iStack == null || iStack.getType() == Material.AIR) {
space += item.getMaxStackSize();
} else if (matches(item, iStack)) {
space += item.getMaxStackSize() - iStack.getAmount();
}
}
return space;
}
/**
* Returns true if the given location is loaded or not.
*
* @param loc
* The location
* @return true if the given location is loaded or not.
*/
public static boolean isLoaded(Location loc) {
// System.out.println("Checking isLoaded(Location loc)");
if (loc.getWorld() == null) {
// System.out.println("Is not loaded. (No world)");
return false;
}
// Calculate the chunks coordinates. These are 1,2,3 for each chunk, NOT
// location rounded to the nearest 16.
int x = (int) Math.floor((loc.getBlockX()) / 16.0);
int z = (int) Math.floor((loc.getBlockZ()) / 16.0);
if (loc.getWorld().isChunkLoaded(x, z)) {
// System.out.println("Chunk is loaded " + x + ", " + z);
return true;
} else {
// System.out.println("Chunk is NOT loaded " + x + ", " + z);
return false;
}
}
}