/
Utilities.java
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/
Utilities.java
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package com.denizenscript.denizen.utilities;
import com.denizenscript.denizen.objects.MaterialTag;
import com.denizenscript.denizen.objects.properties.material.MaterialDirectional;
import com.denizenscript.denizen.utilities.implementation.BukkitScriptEntryData;
import com.denizenscript.denizen.nms.NMSHandler;
import com.denizenscript.denizen.nms.NMSVersion;
import com.denizenscript.denizen.nms.interfaces.BlockHelper;
import com.denizenscript.denizen.npc.traits.TriggerTrait;
import com.denizenscript.denizen.objects.NPCTag;
import com.denizenscript.denizen.objects.PlayerTag;
import com.denizenscript.denizen.tags.BukkitTagContext;
import com.denizenscript.denizen.utilities.blocks.MaterialCompat;
import com.denizenscript.denizencore.scripts.ScriptEntry;
import com.denizenscript.denizencore.tags.TagManager;
import com.denizenscript.denizencore.utilities.CoreUtilities;
import com.denizenscript.denizencore.utilities.debugging.Debug;
import net.citizensnpcs.api.CitizensAPI;
import net.citizensnpcs.api.npc.NPC;
import org.bukkit.*;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.block.BlockState;
import org.bukkit.block.Sign;
import org.bukkit.enchantments.Enchantment;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.inventory.*;
import org.bukkit.util.Vector;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* This class has utility methods for various tasks.
*/
public class Utilities {
public static NamespacedKey parseNamespacedKey(String input) {
input = CoreUtilities.toLowerCase(input);
int colonIndex = input.indexOf(':');
if (colonIndex != -1) {
return new NamespacedKey(input.substring(0, colonIndex), input.substring(colonIndex + 1));
}
else {
return NamespacedKey.minecraft(input);
}
}
public static String cleanseNamespaceID(String input) {
StringBuilder output = new StringBuilder(input.length());
for (char c : input.toCharArray()) {
if (c >= 'A' && c <= 'Z') {
output.append((char)(c - ('A' - 'a')));
}
else if ((c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') || c == '_') {
output.append(c);
}
}
return output.toString();
}
public static Enchantment getEnchantmentByName(String name) {
Enchantment ench = null;
if (NMSHandler.getVersion().isAtLeast(NMSVersion.v1_13)) {
NamespacedKey key = Utilities.parseNamespacedKey(name);
ench = Enchantment.getByKey(key);
}
if (ench == null) {
ench = Enchantment.getByName(name.toUpperCase());
}
return ench;
}
public static boolean isRecipeOfType(Recipe recipe, String type) {
return type == null || (
(type.equals("crafting") && (recipe instanceof ShapedRecipe || recipe instanceof ShapelessRecipe)) ||
(type.equals("furnace") && recipe instanceof FurnaceRecipe) ||
(type.equals("cooking") && recipe instanceof CookingRecipe) ||
(type.equals("blasting") && recipe instanceof BlastingRecipe) ||
(type.equals("campfire") && recipe instanceof CampfireRecipe) ||
(type.equals("shaped") && recipe instanceof ShapedRecipe) ||
(type.equals("shapeless") && recipe instanceof ShapelessRecipe) ||
(type.equals("smoking") && recipe instanceof SmokingRecipe) ||
(type.equals("stonecutting") && recipe instanceof StonecuttingRecipe));
}
public static boolean canReadFile(File f) {
if (Settings.allowStupids()) {
return true;
}
try {
if (!Settings.allowStrangeYAMLSaves() &&
!f.getCanonicalPath().startsWith(new File(".").getCanonicalPath())) {
return false;
}
if (!CoreUtilities.equalsIgnoreCase(Settings.fileLimitPath(), "none")
&& !f.getCanonicalPath().startsWith(new File("./" + Settings.fileLimitPath()).getCanonicalPath())) {
return false;
}
return true;
}
catch (Exception ex) {
Debug.echoError(ex);
return false;
}
}
public static boolean isFileCanonicalStringSafeToWrite(String lown) {
if (lown.contains("denizen/config.yml")) {
return false;
}
if (lown.contains("denizen/scripts/")) {
return false;
}
if (lown.endsWith(".jar") || lown.endsWith(".java")) {
return false;
}
if (lown.endsWith(".sh") || lown.endsWith(".bat")) {
return false;
}
if (lown.endsWith("plugins/")) {
return false;
}
return true;
}
public static boolean canWriteToFile(File f) {
if (Settings.allowStupids()) {
return true;
}
try {
String lown = CoreUtilities.toLowerCase(f.getCanonicalPath()).replace('\\', '/');
if (lown.endsWith("/")) {
lown = lown.substring(0, lown.length() - 1);
}
if (Debug.verbose) {
Debug.log("Checking file : " + lown);
}
if (!Settings.allowStrangeYAMLSaves() &&
!f.getCanonicalPath().startsWith(new File(".").getCanonicalPath())) {
return false;
}
if (!CoreUtilities.toLowerCase(Settings.fileLimitPath()).equals("none")
&& !f.getCanonicalPath().startsWith(new File("./" + Settings.fileLimitPath()).getCanonicalPath())) {
return false;
}
return isFileCanonicalStringSafeToWrite(lown) && isFileCanonicalStringSafeToWrite(lown + "/");
}
catch (Exception ex) {
Debug.echoError(ex);
return false;
}
}
public static BlockFace faceFor(Vector vec) {
for (BlockFace face : BlockFace.values()) {
if (face.getDirection().distanceSquared(vec) < 0.01) { // floating-point safe check
return face;
}
}
return null;
}
/**
* Gets a Location within a range that an entity can walk in.
*
* @param location the Location to check with
* @param range the range around the Location
* @return a random Location within range, or null if no Location within range is safe
*/
public static Location getWalkableLocationNear(Location location, int range) {
List<Location> locations = new ArrayList<>();
location = location.getBlock().getLocation();
// Loop through each location within the range
for (double x = -(range); x <= range; x++) {
for (double y = -(range); y <= range; y++) {
for (double z = -(range); z <= range; z++) {
// Add each block location within range
Location loc = location.clone().add(x, y, z);
if (checkLocation(location, loc, range) && isWalkable(loc)) {
locations.add(loc);
}
}
}
}
// No safe Locations found
if (locations.isEmpty()) {
return null;
}
// Return a random Location from the list
return locations.get(CoreUtilities.getRandom().nextInt(locations.size()));
}
public static boolean isWalkable(Location location) {
if (location.getBlockY() < 1 || location.getBlockY() > 254) {
return false;
}
BlockHelper blockHelper = NMSHandler.getBlockHelper();
return !blockHelper.isSafeBlock(location.clone().subtract(0, 1, 0).getBlock().getType())
&& blockHelper.isSafeBlock(location.getBlock().getType())
&& blockHelper.isSafeBlock(location.clone().add(0, 1, 0).getBlock().getType());
}
/**
* @param player the player doing the talking
* @param npc the npc being talked to
* @param range the range, in blocks, that 'bystanders' will hear he chat
*/
public static void talkToNPC(String message, PlayerTag player, NPCTag npc, double range) {
String replacer = String.valueOf((char) 0x04);
// Get formats from Settings, and fill in <TEXT>
String talkFormat = Settings.chatToNpcFormat()
.replaceAll("(?i)<TEXT>", replacer);
String bystanderFormat = Settings.chatToNpcOverheardFormat()
.replaceAll("(?i)<TEXT>", replacer);
// Fill in tags // TODO: Debug option?
talkFormat = TagManager.tag(talkFormat, new BukkitTagContext(player, npc, null, true, null)).replace(replacer, message);
bystanderFormat = TagManager.tag(bystanderFormat, new BukkitTagContext(player, npc, null, true, null)).replace(replacer, message);
// Send message to player
player.getPlayerEntity().sendMessage(talkFormat);
// Send message to bystanders
for (Player target : Bukkit.getOnlinePlayers()) {
if (target != player.getPlayerEntity()) {
if (target.getWorld().equals(player.getPlayerEntity().getWorld())
&& target.getLocation().distance(player.getPlayerEntity().getLocation()) <= range) {
target.sendMessage(bystanderFormat);
}
}
}
}
/**
* Finds the closest NPC to a particular location.
*
* @param location The location to find the closest NPC to.
* @param range The maximum range to look for the NPC.
* @return The closest NPC to the location, or null if no NPC was found
* within the range specified.
*/
public static NPCTag getClosestNPC_ChatTrigger(Location location, int range) {
NPC closestNPC = null;
double closestDistance = Math.pow(range, 2);
for (NPC npc : CitizensAPI.getNPCRegistry()) {
if (!npc.isSpawned()) {
continue;
}
Location loc = npc.getStoredLocation();
if (npc.hasTrait(TriggerTrait.class) && npc.getTrait(TriggerTrait.class).hasTrigger("CHAT") &&
loc.getWorld().equals(location.getWorld())
&& loc.distanceSquared(location) < closestDistance) {
closestNPC = npc;
closestDistance = npc.getStoredLocation().distanceSquared(location);
}
}
if (closestNPC == null) {
return null;
}
return new NPCTag(closestNPC);
}
public static boolean checkLocation(LivingEntity entity, Location theLocation, double theLeeway) {
return checkLocation(entity.getLocation(), theLocation, theLeeway);
}
public static boolean checkLocation(Location baseLocation, Location theLocation, double theLeeway) {
if (baseLocation.getWorld() != theLocation.getWorld()) {
return false;
}
return baseLocation.distanceSquared(theLocation) < theLeeway * theLeeway;
}
public static void setSignLines(Sign sign, String[] lines) {
for (int n = 0; n < 4; n++) {
sign.setLine(n, lines[n]);
}
sign.update();
}
public static BlockFace chooseSignRotation(Block signBlock) {
BlockFace[] blockFaces = {BlockFace.EAST, BlockFace.NORTH, BlockFace.WEST, BlockFace.SOUTH};
for (BlockFace blockFace : blockFaces) {
Block block = signBlock.getRelative(blockFace);
Material material = block.getType();
if (material != Material.AIR && !MaterialCompat.isAnySign(material)) {
return blockFace.getOppositeFace();
}
}
return BlockFace.SOUTH;
}
public static BlockFace chooseSignRotation(String direction) {
BlockFace[] blockFaces = {BlockFace.EAST, BlockFace.NORTH, BlockFace.WEST, BlockFace.SOUTH};
String dirUpper = direction.toUpperCase();
String firstChar = dirUpper.substring(0, 1);
for (BlockFace blockFace : blockFaces) {
if (blockFace.name().startsWith(firstChar)) {
return blockFace;
}
}
for (BlockFace blockFace : BlockFace.values()) { // Avoid valueOf which throws exceptions on failure
if (blockFace.name().equals(dirUpper)) {
return blockFace;
}
}
return BlockFace.SOUTH;
}
public static void setSignRotation(BlockState signState, String direction) {
direction = CoreUtilities.toLowerCase(direction);
BlockFace bf;
if (direction.startsWith("n")) {
bf = BlockFace.NORTH;
}
else if (direction.startsWith("e")) {
bf = BlockFace.EAST;
}
else if (direction.startsWith("s")) {
bf = BlockFace.SOUTH;
}
else if (direction.startsWith("w")) {
bf = BlockFace.WEST;
}
else {
return;
}
if (NMSHandler.getVersion().isAtLeast(NMSVersion.v1_13)) {
MaterialTag signMaterial = new MaterialTag(signState.getBlock());
MaterialDirectional.getFrom(signMaterial).setFacing(bf);
signMaterial.getModernData().setToBlock(signState.getBlock());
}
else {
((org.bukkit.material.Sign) signState.getData()).setFacingDirection(bf);
signState.update();
}
}
/**
* Extract a file from a zip or jar.
*
* @param jarFile The zip/jar file to use
* @param fileName Which file to extract
* @param destDir Where to extract it to
*/
public static void extractFile(File jarFile, String fileName, String destDir) {
java.util.jar.JarFile jar = null;
try {
jar = new java.util.jar.JarFile(jarFile);
java.util.Enumeration myEnum = jar.entries();
while (myEnum.hasMoreElements()) {
java.util.jar.JarEntry file = (java.util.jar.JarEntry) myEnum.nextElement();
if (CoreUtilities.equalsIgnoreCase(file.getName(), fileName)) {
java.io.File f = new java.io.File(destDir + "/" + file.getName());
if (file.isDirectory()) {
continue;
}
java.io.InputStream is = jar.getInputStream(file);
java.io.FileOutputStream fos = new java.io.FileOutputStream(f);
while (is.available() > 0) {
fos.write(is.read());
}
fos.close();
is.close();
return;
}
}
Debug.echoError(fileName + " not found in the jar!");
}
catch (IOException e) {
Debug.echoError(e);
}
finally {
if (jar != null) {
try {
jar.close();
}
catch (IOException e) {
Debug.echoError(e);
}
}
}
}
private final static String colors = "0123456789abcdefklmnorABCDEFKLMNOR";
public static String generateRandomColors(int count) {
String ret = "";
for (int i = 0; i < count; i++) {
ret += String.valueOf(ChatColor.COLOR_CHAR) + colors.charAt(CoreUtilities.getRandom().nextInt(colors.length()));
}
return ret;
}
private final static String colorsLimited = "0123456789abcdef";
public static String generateRandomColorsWithDots(int count) {
String ret = "";
for (int i = 0; i < count; i++) {
ret += String.valueOf(ChatColor.COLOR_CHAR) + colorsLimited.charAt(CoreUtilities.getRandom().nextInt(colorsLimited.length())) + ".";
}
return ret;
}
public static BukkitScriptEntryData getEntryData(ScriptEntry entry) {
return (BukkitScriptEntryData) entry.entryData;
}
public static boolean entryHasPlayer(ScriptEntry entry) {
return getEntryData(entry).hasPlayer();
}
public static boolean entryHasNPC(ScriptEntry entry) {
return getEntryData(entry).hasNPC();
}
public static PlayerTag getEntryPlayer(ScriptEntry entry) {
return getEntryData(entry).getPlayer();
}
public static NPCTag getEntryNPC(ScriptEntry entry) {
return getEntryData(entry).getNPC();
}
}