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ItemScriptHelper.java
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ItemScriptHelper.java
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package com.denizenscript.denizen.scripts.containers.core;
import com.denizenscript.denizen.Denizen;
import com.denizenscript.denizen.nms.util.jnbt.CompoundTag;
import com.denizenscript.denizen.utilities.Utilities;
import com.denizenscript.denizen.utilities.debugging.Debug;
import com.denizenscript.denizen.events.bukkit.ScriptReloadEvent;
import com.denizenscript.denizen.nms.NMSHandler;
import com.denizenscript.denizen.objects.ItemTag;
import com.denizenscript.denizen.tags.BukkitTagContext;
import com.denizenscript.denizencore.events.ScriptEvent;
import com.denizenscript.denizencore.objects.core.DurationTag;
import com.denizenscript.denizencore.objects.core.ListTag;
import com.denizenscript.denizencore.objects.core.ScriptTag;
import com.denizenscript.denizencore.scripts.ScriptBuilder;
import com.denizenscript.denizencore.tags.TagContext;
import com.denizenscript.denizencore.tags.TagManager;
import com.denizenscript.denizencore.utilities.CoreUtilities;
import com.denizenscript.denizencore.utilities.Deprecations;
import com.denizenscript.denizencore.utilities.YamlConfiguration;
import com.denizenscript.denizencore.utilities.text.StringHolder;
import org.bukkit.*;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.BlockCookEvent;
import org.bukkit.event.inventory.CraftItemEvent;
import org.bukkit.event.inventory.PrepareItemCraftEvent;
import org.bukkit.inventory.*;
import java.math.BigInteger;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.util.*;
public class ItemScriptHelper implements Listener {
public static final Map<String, ItemScriptContainer> item_scripts = new HashMap<>();
public static final Map<String, ItemScriptContainer> item_scripts_by_hash_id = new HashMap<>();
public static final Map<String, ItemScriptContainer> recipeIdToItemScript = new HashMap<>();
public ItemScriptHelper() {
Denizen.getInstance().getServer().getPluginManager()
.registerEvents(this, Denizen.getInstance());
}
public static void removeDenizenRecipes() {
recipeIdToItemScript.clear();
NMSHandler.getItemHelper().clearDenizenRecipes();
}
public String getIdFor(ItemScriptContainer container, String type, int id) {
String basicId = type + "_" + Utilities.cleanseNamespaceID(container.getName()) + "_" + id;
if (!recipeIdToItemScript.containsKey(basicId)) {
recipeIdToItemScript.put("denizen:" + basicId, container);
return basicId;
}
int newNumber = 1;
String newId = basicId + "_1";
while (recipeIdToItemScript.containsKey(newId)) {
newId = basicId + "_" + newNumber++;
}
recipeIdToItemScript.put("denizen:" + newId, container);
return newId;
}
public static List<String> splitByNonBracketedSlashes(String str) {
boolean brackets = false;
int start = 0;
List<String> output = new ArrayList<>(4);
for (int i = 0; i < str.length(); i++) {
char c = str.charAt(i);
if (c == '[') {
brackets = true;
}
else if (c == ']') {
brackets = false;
}
else if (c == '/' && !brackets) {
output.add(str.substring(start, i));
start = i + 1;
}
}
output.add(str.substring(start));
return output;
}
public ItemStack[] textToItemArray(ItemScriptContainer container, String text, boolean exact) {
if (CoreUtilities.toLowerCase(text).equals("air")) {
return new ItemStack[0];
}
List<String> ingredientText = splitByNonBracketedSlashes(text);
List<ItemStack> outputItems = new ArrayList<>(ingredientText.size());
for (int i = 0; i < ingredientText.size(); i++) {
String entry = ingredientText.get(i);
if (ScriptEvent.isAdvancedMatchable(entry)) {
boolean any = false;
ScriptEvent.MatchHelper matcher = ScriptEvent.createMatcher(entry);
for (Material material : Material.values()) {
if (matcher.doesMatch(CoreUtilities.toLowerCase(material.name()))) {
outputItems.add(new ItemStack(material, 1));
any = true;
}
}
if (exact) {
for (ItemScriptContainer possibleContainer : ItemScriptHelper.item_scripts.values()) {
if (matcher.doesMatch(CoreUtilities.toLowerCase(possibleContainer.getName()))) {
outputItems.add(possibleContainer.getCleanReference().getItemStack());
any = true;
}
}
}
if (!any) {
Debug.echoError("Invalid ItemTag ingredient (empty advanced matcher), recipe will not be registered for item script '" + container.getName() + "': " + entry);
return null;
}
}
else {
ItemTag ingredient = ItemTag.valueOf(entry, container);
if (ingredient == null) {
Debug.echoError("Invalid ItemTag ingredient, recipe will not be registered for item script '" + container.getName() + "': " + entry);
return null;
}
outputItems.add(ingredient.getItemStack().clone());
}
}
return outputItems.toArray(new ItemStack[0]);
}
public void registerShapedRecipe(ItemScriptContainer container, ItemStack item, List<String> recipeList, String internalId, String group) {
for (int n = 0; n < recipeList.size(); n++) {
recipeList.set(n, TagManager.tag(ScriptBuilder.stripLinePrefix(recipeList.get(n)), new BukkitTagContext(null, null, new ScriptTag(container))));
}
List<ItemStack[]> ingredients = new ArrayList<>();
List<Boolean> exacts = new ArrayList<>();
int width = 1;
for (String recipeRow : recipeList) {
String[] elements = recipeRow.split("\\|", 3);
if (width < 3 && elements.length == 3) {
width = 3;
}
if (width < 2 && elements.length >= 2) {
width = 2;
}
for (String element : elements) {
String itemText = element;
boolean isExact = !itemText.startsWith("material:");
if (!isExact) {
itemText = itemText.substring("material:".length());
}
exacts.add(isExact);
ItemStack[] items = textToItemArray(container, itemText, isExact);
if (items == null) {
return;
}
ingredients.add(items);
}
}
NamespacedKey key = new NamespacedKey("denizen", internalId);
ShapedRecipe recipe = new ShapedRecipe(key, item);
recipe.setGroup(group);
String shape1 = "ABC".substring(0, width);
String shape2 = "DEF".substring(0, width);
String shape3 = "GHI".substring(0, width);
String itemChars = shape1 + shape2 + shape3;
if (recipeList.size() == 3) {
recipe = recipe.shape(shape1, shape2, shape3);
}
else if (recipeList.size() == 2) {
recipe = recipe.shape(shape1, shape2);
}
else {
recipe = recipe.shape(shape1);
}
for (int i = 0; i < ingredients.size(); i++) {
if (ingredients.get(i).length != 0) {
NMSHandler.getItemHelper().setShapedRecipeIngredient(recipe, itemChars.charAt(i), ingredients.get(i), exacts.get(i));
}
}
Bukkit.addRecipe(recipe);
}
public void registerShapelessRecipe(ItemScriptContainer container, ItemStack item, String shapelessString, String internalId, String group) {
TagContext context = new BukkitTagContext(null, null, new ScriptTag(container));
String list = TagManager.tag(shapelessString, context);
List<ItemStack[]> ingredients = new ArrayList<>();
List<Boolean> exacts = new ArrayList<>();
for (String element : ListTag.valueOf(list, context)) {
String itemText = element;
boolean isExact = !itemText.startsWith("material:");
if (!isExact) {
itemText = itemText.substring("material:".length());
}
exacts.add(isExact);
ItemStack[] items = textToItemArray(container, itemText, isExact);
if (items == null) {
return;
}
ingredients.add(items);
}
boolean[] bools = new boolean[exacts.size()];
for (int i = 0; i < exacts.size(); i++) {
bools[i] = exacts.get(i);
}
NMSHandler.getItemHelper().registerShapelessRecipe(internalId, group, item, ingredients, bools);
}
public void registerFurnaceRecipe(ItemScriptContainer container, ItemStack item, String furnaceItemString, float exp, int time, String type, String internalId, String group) {
boolean exact = true;
if (furnaceItemString.startsWith("material:")) {
exact = false;
furnaceItemString = furnaceItemString.substring("material:".length());
}
ItemStack[] items = textToItemArray(container, furnaceItemString, exact);
if (items == null) {
return;
}
NMSHandler.getItemHelper().registerFurnaceRecipe(internalId, group, item, items, exp, time, type, exact);
}
public void registerStonecuttingRecipe(ItemScriptContainer container, ItemStack item, String inputItemString, String internalId, String group) {
boolean exact = true;
if (inputItemString.startsWith("material:")) {
exact = false;
inputItemString = inputItemString.substring("material:".length());
}
ItemStack[] items = textToItemArray(container, inputItemString, exact);
if (items == null) {
return;
}
NMSHandler.getItemHelper().registerStonecuttingRecipe(internalId, group, item, items, exact);
}
public void rebuildRecipes() {
for (ItemScriptContainer container : item_scripts.values()) {
try {
if (container.contains("recipes")) {
YamlConfiguration section = container.getConfigurationSection("recipes");
int id = 0;
for (StringHolder key : section.getKeys(false)) {
id++;
YamlConfiguration subSection = section.getConfigurationSection(key.str);
String type = CoreUtilities.toLowerCase(subSection.getString("type"));
String internalId = subSection.contains("recipe_id") ? subSection.getString("recipe_id") : getIdFor(container, type + "_recipe", id);
String group = subSection.contains("group") ? subSection.getString("group") : "";
ItemStack item = container.getCleanReference().getItemStack().clone();
if (subSection.contains("output_quantity")) {
item.setAmount(Integer.parseInt(subSection.getString("output_quantity")));
}
switch (type) {
case "shaped":
registerShapedRecipe(container, item, subSection.getStringList("input"), internalId, group);
break;
case "shapeless":
registerShapelessRecipe(container, item, subSection.getString("input"), internalId, group);
break;
case "stonecutting":
registerStonecuttingRecipe(container, item, subSection.getString("input"), internalId, group);
break;
case "furnace":
case "blast":
case "smoker":
case "campfire":
float exp = 0;
int cookTime = 40;
if (subSection.contains("experience")) {
exp = Float.parseFloat(subSection.getString("experience"));
}
if (subSection.contains("cook_time")) {
cookTime = DurationTag.valueOf(subSection.getString("cook_time"), new BukkitTagContext(container)).getTicksAsInt();
}
registerFurnaceRecipe(container, item, subSection.getString("input"), exp, cookTime, type, internalId, group);
break;
}
}
}
// Old script style
if (container.contains("RECIPE")) {
Deprecations.oldRecipeScript.warn(container);
registerShapedRecipe(container, container.getCleanReference().getItemStack().clone(), container.getStringList("RECIPE"), getIdFor(container, "old_recipe", 0), "custom");
}
if (container.contains("SHAPELESS_RECIPE")) {
Deprecations.oldRecipeScript.warn(container);
registerShapelessRecipe(container, container.getCleanReference().getItemStack().clone(), container.getString("SHAPELESS_RECIPE"), getIdFor(container, "old_shapeless", 0), "custom");
}
if (container.contains("FURNACE_RECIPE")) {
Deprecations.oldRecipeScript.warn(container);
registerFurnaceRecipe(container, container.getCleanReference().getItemStack().clone(), container.getString("FURNACE_RECIPE"), 0, 40, "furnace", getIdFor(container, "old_furnace", 0), "custom");
}
}
catch (Exception ex) {
Debug.echoError("Error while rebuilding item script recipes for '" + container.getName() + "'...");
Debug.echoError(ex);
}
}
}
@EventHandler
public void scriptReload(ScriptReloadEvent event) {
rebuildRecipes();
}
public static boolean isItemscript(ItemStack item) {
return getItemScriptContainer(item) != null;
}
public static ItemScriptContainer getItemScriptContainer(ItemStack item) {
if (item == null) {
return null;
}
CompoundTag tag = NMSHandler.getItemHelper().getNbtData(item);
String scriptName = tag.getString("DenizenItemScript");
if (scriptName != null && !scriptName.equals("")) {
return item_scripts.get(scriptName);
}
// TODO: Legacy hashed format
String nbt = tag.getString("Denizen Item Script");
if (nbt != null && !nbt.equals("")) {
return item_scripts_by_hash_id.get(nbt);
}
return null;
}
public static String ItemScriptHashID = ChatColor.RED.toString() + ChatColor.BLUE + ChatColor.BLACK;
public static String createItemScriptID(ItemScriptContainer container) {
String colors = createItemScriptID(container.getName());
container.setHashID(colors);
return colors;
}
public static String createItemScriptID(String name) {
String script = name.toUpperCase();
StringBuilder colors = new StringBuilder();
colors.append(ItemScriptHashID);
try {
MessageDigest md = MessageDigest.getInstance("MD5");
byte[] bytes = script.getBytes(StandardCharsets.UTF_8);
md.update(bytes, 0, bytes.length);
String hash = new BigInteger(1, md.digest()).toString(16);
for (int i = 0; i < 16; i++) {
colors.append(ChatColor.COLOR_CHAR).append(hash.charAt(i));
}
}
catch (Exception ex) {
Debug.echoError(ex);
colors.append(ChatColor.BLUE);
}
return colors.toString();
}
public static boolean isAllowedChoice(ItemScriptContainer script, RecipeChoice choice) {
if (choice instanceof RecipeChoice.ExactChoice) {
for (ItemStack choiceOpt : ((RecipeChoice.ExactChoice) choice).getChoices()) {
ItemScriptContainer choiceOptContainer = getItemScriptContainer(choiceOpt);
if (script == choiceOptContainer) {
return true;
}
}
}
return false;
}
private static ItemStack AIR = new ItemStack(Material.AIR);
public static boolean shouldDenyCraft(ItemStack[] items, Recipe recipe) {
int width = items.length == 9 ? 3 : 2;
int shapeStartX = 0, shapeStartY = 0;
if (recipe instanceof ShapedRecipe) {
String[] shape = ((ShapedRecipe) recipe).getShape();
if (shape.length != width || shape[0].length() != width) {
if (shape.length > width || shape[0].length() > width) {
return false; // Already impossible regardless
}
loopStart:
for (shapeStartX = 0; shapeStartX <= width - shape[0].length(); shapeStartX++) {
for (shapeStartY = 0; shapeStartY <= width - shape.length; shapeStartY++) {
boolean hasAnyInvalid = false;
for (int x = 0; x < shape[0].length(); x++) {
for (int y = 0; y < shape.length; y++) {
ItemStack item = items[(y + shapeStartY) * width + (x + shapeStartX)];
RecipeChoice choice = ((ShapedRecipe) recipe).getChoiceMap().get(shape[y].charAt(x));
if (choice != null && !choice.test(item == null ? AIR : item)) {
hasAnyInvalid = true;
break;
}
}
}
if (!hasAnyInvalid) {
break loopStart;
}
}
}
}
}
for (int i = 0; i < items.length; i++) {
ItemStack item = items[i];
if (item == null || item.getType() == Material.AIR) {
continue;
}
ItemScriptContainer container = getItemScriptContainer(item);
if (container == null || container.allowInMaterialRecipes) {
continue;
}
boolean allowed = false;
if (recipe instanceof ShapelessRecipe) {
for (RecipeChoice choice : ((ShapelessRecipe) recipe).getChoiceList()) {
if (isAllowedChoice(container, choice)) {
allowed = true;
break;
}
}
}
else if (recipe instanceof ShapedRecipe) {
int x = i % width - shapeStartX;
int y = i / width - shapeStartY;
if (x < 0 || y < 0) {
return true;
}
String[] shape = ((ShapedRecipe) recipe).getShape();
if (y < shape.length && x < shape[y].length()) {
char c = shape[y].charAt(x);
RecipeChoice choice = ((ShapedRecipe) recipe).getChoiceMap().get(c);
if (isAllowedChoice(container, choice)) {
allowed = true;
}
}
}
else if (recipe instanceof CookingRecipe) {
allowed = isAllowedChoice(container, ((CookingRecipe) recipe).getInputChoice());
}
else {
allowed = true; // Shouldn't be possible?
}
if (!allowed) {
return true;
}
}
return false;
}
@EventHandler(priority = EventPriority.LOW)
public void onCraftPrepared(PrepareItemCraftEvent event) {
Recipe recipe = event.getRecipe();
if (recipe == null) {
return;
}
ItemStack[] items = event.getInventory().getMatrix();
if (shouldDenyCraft(items, recipe)) {
event.getInventory().setResult(null);
}
}
@EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
public void onItemCrafted(CraftItemEvent event) {
Recipe recipe = event.getRecipe();
ItemStack[] items = event.getInventory().getMatrix();
if (shouldDenyCraft(items, recipe)) {
event.setCancelled(true);
}
}
@EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
public void onItemCooked(BlockCookEvent event) {
ItemScriptContainer container = getItemScriptContainer(event.getSource());
if (container == null || container.allowInMaterialRecipes) {
return;
}
ItemStack[] stacks = new ItemStack[] { event.getSource() };
for (Recipe recipe : Bukkit.getRecipesFor(event.getResult())) {
if (recipe instanceof CookingRecipe && !shouldDenyCraft(stacks, recipe)) {
return;
}
}
event.setCancelled(true);
}
}