Java tutorial
/* * This file is part of RPG Items. * * RPG Items is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * RPG Items is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with RPG Items. If not, see <http://www.gnu.org/licenses/>. */ package net.rllcommunity.plugins.rpgitems.item; import gnu.trove.map.hash.TObjectDoubleHashMap; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Map.Entry; import java.util.Set; import org.apache.commons.lang.StringUtils; import org.bukkit.Bukkit; import org.bukkit.ChatColor; import org.bukkit.Color; import org.bukkit.Material; import org.bukkit.command.CommandSender; import org.bukkit.configuration.ConfigurationSection; import org.bukkit.configuration.MemoryConfiguration; import org.bukkit.entity.LivingEntity; import org.bukkit.entity.Player; import org.bukkit.entity.Projectile; import org.bukkit.inventory.ItemStack; import org.bukkit.inventory.Recipe; import org.bukkit.inventory.ShapedRecipe; import org.bukkit.inventory.meta.ItemMeta; import org.bukkit.inventory.meta.LeatherArmorMeta; import net.rllcommunity.plugins.rpgitems.Events; import net.rllcommunity.plugins.rpgitems.RpgItems; import net.rllcommunity.plugins.rpgitems.data.Font; import net.rllcommunity.plugins.rpgitems.data.Locale; import net.rllcommunity.plugins.rpgitems.data.RPGMetadata; import net.rllcommunity.plugins.rpgitems.power.Power; import net.rllcommunity.plugins.rpgitems.power.types.PowerHit; import net.rllcommunity.plugins.rpgitems.power.types.PowerLeftClick; import net.rllcommunity.plugins.rpgitems.power.types.PowerProjectileHit; import net.rllcommunity.plugins.rpgitems.power.types.PowerRightClick; import net.rllcommunity.plugins.rpgitems.power.types.PowerTick; public class RPGItem { private ItemStack item; private HashMap<String, ItemMeta> localeMeta = new HashMap<String, ItemMeta>(); private int id; private String name; private String encodedID; private String displayName; private Quality quality = Quality.TRASH; private int damageMin = 0, damageMax = 3; private int armour = 0; private String loreText = ""; private String type = RpgItems.plugin.getConfig().getString("defaults.sword", "Sword"); private String hand = RpgItems.plugin.getConfig().getString("defaults.hand", "One handed"); public boolean ignoreWorldGuard = false; public List<String> description = new ArrayList<String>(); // Powers public ArrayList<Power> powers = new ArrayList<Power>(); private ArrayList<PowerLeftClick> powerLeftClick = new ArrayList<PowerLeftClick>(); private ArrayList<PowerRightClick> powerRightClick = new ArrayList<PowerRightClick>(); private ArrayList<PowerProjectileHit> powerProjectileHit = new ArrayList<PowerProjectileHit>(); private ArrayList<PowerHit> powerHit = new ArrayList<PowerHit>(); private ArrayList<PowerTick> powerTick = new ArrayList<PowerTick>(); // Recipes public boolean hasRecipe = false; public List<ItemStack> recipe = null; // Drops public TObjectDoubleHashMap<String> dropChances = new TObjectDoubleHashMap<String>(); private int tooltipWidth = 150; // Durability private int maxDurability; private boolean hasBar = false; private boolean forceBar = false; public RPGItem(String name, int id) { this.name = name; this.id = id; encodedID = getMCEncodedID(id); item = new ItemStack(Material.WOOD_SWORD); displayName = item.getType().toString(); localeMeta.put("en_GB", item.getItemMeta()); rebuild(); } @SuppressWarnings("unchecked") public RPGItem(ConfigurationSection s) { name = s.getString("name"); id = s.getInt("id"); setDisplay(s.getString("display"), false); setType(s.getString("type", RpgItems.plugin.getConfig().getString("defaults.sword", "Sword")), false); setHand(s.getString("hand", RpgItems.plugin.getConfig().getString("defaults.hand", "One handed")), false); setLore(s.getString("lore"), false); description = (List<String>) s.getList("description", new ArrayList<String>()); for (int i = 0; i < description.size(); i++) { description.set(i, ChatColor.translateAlternateColorCodes('&', description.get(i))); } quality = Quality.valueOf(s.getString("quality")); damageMin = s.getInt("damageMin"); damageMax = s.getInt("damageMax"); armour = s.getInt("armour", 0); item = new ItemStack(Material.valueOf(s.getString("item"))); ItemMeta meta = item.getItemMeta(); if (meta instanceof LeatherArmorMeta) { ((LeatherArmorMeta) meta).setColor(Color.fromRGB(s.getInt("item_colour", 0))); } else { item.setDurability((short) s.getInt("item_data", 0)); } for (String locale : Locale.getLocales()) { localeMeta.put(locale, meta.clone()); } ignoreWorldGuard = s.getBoolean("ignoreWorldGuard", false); // Powers ConfigurationSection powerList = s.getConfigurationSection("powers"); if (powerList != null) { for (String sectionKey : powerList.getKeys(false)) { ConfigurationSection section = powerList.getConfigurationSection(sectionKey); try { if (!Power.powers.containsKey(section.getString("powerName"))) { // Invalid power continue; } Power pow = Power.powers.get(section.getString("powerName")).newInstance(); pow.init(section); pow.item = this; addPower(pow, false); } catch (InstantiationException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } } } encodedID = getMCEncodedID(id); // Recipes hasRecipe = s.getBoolean("hasRecipe", false); if (hasRecipe) { recipe = (List<ItemStack>) s.getList("recipe"); } ConfigurationSection drops = s.getConfigurationSection("dropChances"); if (drops != null) { for (String key : drops.getKeys(false)) { double chance = drops.getDouble(key, 0.0); chance = Math.min(chance, 100.0); if (chance > 0) { dropChances.put(key, chance); if (!Events.drops.containsKey(key)) { Events.drops.put(key, new HashSet<Integer>()); } Set<Integer> set = Events.drops.get(key); set.add(getID()); } else { dropChances.remove(key); if (Events.drops.containsKey(key)) { Set<Integer> set = Events.drops.get(key); set.remove(getID()); } } dropChances.put(key, chance); } } if (item.getType().getMaxDurability() != 0) { hasBar = true; } maxDurability = s.getInt("maxDurability", item.getType().getMaxDurability()); forceBar = s.getBoolean("forceBar", false); if (maxDurability == 0) { maxDurability = -1; } rebuild(); } public void save(ConfigurationSection s) { s.set("name", name); s.set("id", id); s.set("display", displayName.replaceAll("" + ChatColor.COLOR_CHAR, "&")); s.set("quality", quality.toString()); s.set("damageMin", damageMin); s.set("damageMax", damageMax); s.set("armour", armour); s.set("type", type.replaceAll("" + ChatColor.COLOR_CHAR, "&")); s.set("hand", hand.replaceAll("" + ChatColor.COLOR_CHAR, "&")); s.set("lore", loreText.replaceAll("" + ChatColor.COLOR_CHAR, "&")); ArrayList<String> descriptionConv = new ArrayList<String>(description); for (int i = 0; i < descriptionConv.size(); i++) { descriptionConv.set(i, descriptionConv.get(i).replaceAll("" + ChatColor.COLOR_CHAR, "&")); } s.set("description", descriptionConv); s.set("item", item.getType().toString()); s.set("ignoreWorldGuard", ignoreWorldGuard); ItemMeta meta = localeMeta.get("en_GB"); if (meta instanceof LeatherArmorMeta) { s.set("item_colour", ((LeatherArmorMeta) meta).getColor().asRGB()); } else { s.set("item_data", item.getDurability()); } ConfigurationSection powerConfigs = s.createSection("powers"); int i = 0; for (Power p : powers) { MemoryConfiguration pConfig = new MemoryConfiguration(); pConfig.set("powerName", p.getName()); p.save(pConfig); powerConfigs.set(Integer.toString(i), pConfig); i++; } // Recipes s.set("hasRecipe", hasRecipe); if (hasRecipe) { s.set("recipe", recipe); } ConfigurationSection drops = s.createSection("dropChances"); for (String key : dropChances.keySet()) { drops.set(key, dropChances.get(key)); } s.set("maxDurability", maxDurability); s.set("forceBar", forceBar); } public void resetRecipe(boolean removeOld) { if (removeOld) { Iterator<Recipe> it = Bukkit.recipeIterator(); while (it.hasNext()) { Recipe recipe = it.next(); RPGItem rpgitem = ItemManager.toRPGItem(recipe.getResult()); if (rpgitem == null) continue; if (rpgitem.getID() == getID()) { it.remove(); } } } if (hasRecipe) { Set<ItemStack> iSet = new HashSet<ItemStack>(); for (ItemStack m : recipe) { iSet.add(m); } ItemStack[] iList = iSet.toArray(new ItemStack[iSet.size()]); item.setItemMeta(getLocaleMeta("en_GB")); ShapedRecipe shapedRecipe = new ShapedRecipe(item); int i = 0; Map<ItemStack, Character> iMap = new HashMap<ItemStack, Character>(); for (ItemStack m : iList) { iMap.put(m, (char) (65 + i)); i++; } iMap.put(null, ' '); StringBuilder out = new StringBuilder(); for (ItemStack m : recipe) { out.append(iMap.get(m)); } String shape = out.toString(); shapedRecipe .shape(new String[] { shape.substring(0, 3), shape.substring(3, 6), shape.substring(6, 9) }); for (Entry<ItemStack, Character> e : iMap.entrySet()) { if (e.getKey() != null) { shapedRecipe.setIngredient(e.getValue(), e.getKey().getType(), e.getKey().getDurability()); } } Bukkit.addRecipe(shapedRecipe); } } public void leftClick(Player player) { for (PowerLeftClick power : powerLeftClick) { power.leftClick(player); } } public void rightClick(Player player) { for (PowerRightClick power : powerRightClick) { power.rightClick(player); } } public void projectileHit(Player player, Projectile arrow) { for (PowerProjectileHit power : powerProjectileHit) { power.projectileHit(player, arrow); } } public void hit(Player player, LivingEntity e) { for (PowerHit power : powerHit) { power.hit(player, e); } } public void tick(Player player) { for (PowerTick power : powerTick) { power.tick(player); } } public void rebuild() { for (String locale : Locale.getLocales()) { if (!localeMeta.containsKey(locale)) localeMeta.put(locale, getLocaleMeta("en_GB")); } for (String locale : Locale.getLocales()) { List<String> lines = getTooltipLines(locale); ItemMeta meta = getLocaleMeta(locale); meta.setDisplayName(lines.get(0)); lines.remove(0); meta.setLore(lines); setLocaleMeta(locale, meta); // item.setItemMeta(meta); } for (Player player : Bukkit.getOnlinePlayers()) { Iterator<ItemStack> it = player.getInventory().iterator(); String locale = Locale.getPlayerLocale(player); while (it.hasNext()) { ItemStack item = it.next(); if (ItemManager.toRPGItem(item) != null) updateItem(item, locale, false); } for (ItemStack item : player.getInventory().getArmorContents()) { if (ItemManager.toRPGItem(item) != null) updateItem(item, locale, false); } } resetRecipe(true); } public static RPGMetadata getMetadata(ItemStack item) { //Check for broken item if (!item.hasItemMeta() || !item.getItemMeta().hasLore() || item.getItemMeta().getLore().size() == 0) { //Broken item return new RPGMetadata(); } return RPGMetadata.parseLoreline(item.getItemMeta().getLore().get(0)); } public static void updateItem(ItemStack item, String locale) { updateItem(item, locale, getMetadata(item)); } public static void updateItem(ItemStack item, String locale, RPGMetadata rpgMeta) { updateItem(item, locale, rpgMeta, false); } public static void updateItem(ItemStack item, String locale, boolean updateDurability) { updateItem(item, locale, getMetadata(item), false); } public static void updateItem(ItemStack item, String locale, RPGMetadata rpgMeta, boolean updateDurability) { RPGItem rItem = ItemManager.toRPGItem(item); if (rItem == null) return; item.setType(rItem.item.getType()); ItemMeta meta = rItem.getLocaleMeta(locale); if (!(meta instanceof LeatherArmorMeta) && updateDurability) { item.setDurability(rItem.item.getDurability()); } List<String> lore = meta.getLore(); rItem.addExtra(rpgMeta, item, lore); lore.set(0, meta.getLore().get(0) + rpgMeta.toMCString()); meta.setLore(lore); item.setItemMeta(meta); } public void addExtra(RPGMetadata rpgMeta, ItemStack item, List<String> lore) { if (maxDurability > 0) { if (!rpgMeta.containsKey(RPGMetadata.DURABILITY)) { rpgMeta.put(RPGMetadata.DURABILITY, Integer.valueOf(maxDurability)); } int durability = ((Number) rpgMeta.get(RPGMetadata.DURABILITY)).intValue(); if (!hasBar || forceBar) { StringBuilder out = new StringBuilder(); char boxChar = '\u25A0'; int boxCount = tooltipWidth / 4; int mid = (int) ((double) boxCount * ((double) durability / (double) maxDurability)); for (int i = 0; i < boxCount; i++) { out.append(i < mid ? ChatColor.GREEN : i == mid ? ChatColor.YELLOW : ChatColor.RED); out.append(boxChar); } lore.add(out.toString()); } if (hasBar) { item.setDurability((short) (item.getType().getMaxDurability() - ((short) ((double) item.getType().getMaxDurability() * ((double) durability / (double) maxDurability))))); } } else if (maxDurability <= 0) { item.setDurability(hasBar ? (short) 0 : this.item.getDurability()); } } public List<String> getTooltipLines(String locale) { ArrayList<String> output = new ArrayList<String>(); int width = 150; output.add(encodedID + quality.colour + ChatColor.BOLD + displayName); int dWidth = getStringWidthBold(ChatColor.stripColor(displayName)); if (dWidth > width) width = dWidth; dWidth = getStringWidth(ChatColor.stripColor(hand + " " + type)); if (dWidth > width) width = dWidth; String damageStr = null; if (damageMin == 0 && damageMax == 0 && armour != 0) { damageStr = armour + "% " + RpgItems.plugin.getConfig().getString("defaults.armour", "Armour"); } else if (armour == 0 && damageMin == 0 && damageMax == 0) { damageStr = null; } else if (damageMin == damageMax) { damageStr = damageMin + " " + RpgItems.plugin.getConfig().getString("defaults.damage", "Damage"); } else { damageStr = damageMin + "-" + damageMax + " " + RpgItems.plugin.getConfig().getString("defaults.damage", "Damage"); } if (damageMin != 0 || damageMax != 0 || armour != 0) { dWidth = getStringWidth(damageStr); if (dWidth > width) width = dWidth; } for (Power p : powers) { dWidth = getStringWidth(ChatColor.stripColor(p.displayText(locale))); if (dWidth > width) width = dWidth; } for (String s : description) { dWidth = getStringWidth(ChatColor.stripColor(s)); if (dWidth > width) width = dWidth; } tooltipWidth = width; output.add(ChatColor.WHITE + hand + StringUtils.repeat(" ", (width - getStringWidth(ChatColor.stripColor(hand + type))) / 4) + type); if (damageStr != null) { output.add(ChatColor.WHITE + damageStr); } for (Power p : powers) { output.add(p.displayText(locale)); } if (loreText.length() != 0) { int cWidth = 0; int tWidth = 0; StringBuilder out = new StringBuilder(); StringBuilder temp = new StringBuilder(); out.append(ChatColor.YELLOW); out.append(ChatColor.ITALIC); String currentColour = ChatColor.YELLOW.toString(); String dMsg = "\"" + loreText + "\""; for (int i = 0; i < dMsg.length(); i++) { char c = dMsg.charAt(i); temp.append(c); if (c == ChatColor.COLOR_CHAR || c == '&') { i += 1; temp.append(dMsg.charAt(i)); currentColour = ChatColor.COLOR_CHAR + "" + dMsg.charAt(i); continue; } if (c == ' ') tWidth += 4; else tWidth += Font.widths[c] + 1; if (c == ' ' || i == dMsg.length() - 1) { if (cWidth + tWidth > width) { cWidth = 0; cWidth += tWidth; tWidth = 0; output.add(out.toString()); out = new StringBuilder(); out.append(currentColour); out.append(ChatColor.ITALIC); out.append(temp); temp = new StringBuilder(); } else { out.append(temp); temp = new StringBuilder(); cWidth += tWidth; tWidth = 0; } } } out.append(temp); output.add(out.toString()); } for (String s : description) { output.add(s); } return output; } public ItemStack toItemStack(String locale) { ItemStack rStack = item.clone(); RPGMetadata rpgMeta = new RPGMetadata(); ItemMeta meta = getLocaleMeta(locale); List<String> lore = meta.getLore(); lore.set(0, meta.getLore().get(0) + rpgMeta.toMCString()); addExtra(rpgMeta, rStack, lore); meta.setLore(lore); rStack.setItemMeta(meta); return rStack; } public ItemMeta getLocaleMeta(String locale) { ItemMeta meta = localeMeta.get(locale); if (meta == null) meta = localeMeta.get("en_GB"); return meta.clone(); } public void setLocaleMeta(String locale, ItemMeta meta) { localeMeta.put(locale, meta); } public String getName() { return name; } public int getID() { return id; } public String getMCEncodedID() { return encodedID; } public static String getMCEncodedID(int id) { String hex = String.format("%08x", id); StringBuilder out = new StringBuilder(); for (char h : hex.toCharArray()) { out.append(ChatColor.COLOR_CHAR); out.append(h); } return out.toString(); } private static int getStringWidth(String str) { int width = 0; for (int i = 0; i < str.length(); i++) { char c = str.charAt(i); width += Font.widths[c] + 1; } return width; } private static int getStringWidthBold(String str) { int width = 0; for (int i = 0; i < str.length(); i++) { char c = str.charAt(i); width += Font.widths[c] + 2; } return width; } public void print(CommandSender sender) { String locale = sender instanceof Player ? Locale.getPlayerLocale((Player) sender) : "en_GB"; List<String> lines = getTooltipLines(locale); for (String s : lines) { sender.sendMessage(s); } sender.sendMessage(String.format(Locale.get("message.print.durability", locale), maxDurability)); } public void setDisplay(String str) { setDisplay(str, true); } public void setDisplay(String str, boolean update) { displayName = ChatColor.translateAlternateColorCodes('&', str); if (update) rebuild(); } public String getDisplay() { return quality.colour + ChatColor.BOLD + displayName; } public void setType(String str) { setType(str, true); } public void setType(String str, boolean update) { type = ChatColor.translateAlternateColorCodes('&', str); if (update) rebuild(); } public String getType() { return type; } public void setHand(String h) { setHand(h, true); } public void setHand(String h, boolean update) { hand = ChatColor.translateAlternateColorCodes('&', h); if (update) rebuild(); } public String getHand() { return hand; } public void setDamage(int min, int max) { setDamage(min, max, true); } public void setDamage(int min, int max, boolean update) { damageMin = min; damageMax = max; armour = 0; if (update) rebuild(); } public int getDamageMin() { return damageMin; } public int getDamageMax() { return damageMax; } public void setArmour(int a) { setArmour(a, true); } public void setArmour(int a, boolean update) { armour = a; damageMin = damageMax = 0; if (update) rebuild(); } public int getArmour() { return armour; } public void setLore(String str) { setLore(str, true); } public void setLore(String str, boolean update) { loreText = ChatColor.translateAlternateColorCodes('&', str); if (update) rebuild(); } public String getLore() { return loreText; } public void setQuality(Quality q) { setQuality(q, true); } public void setQuality(Quality q, boolean update) { quality = q; if (update) rebuild(); } public Quality getQuality() { return quality; } public void setItem(Material mat) { setItem(mat, true); } public void setItem(Material mat, boolean update) { if (maxDurability == item.getType().getMaxDurability()) { maxDurability = mat.getMaxDurability(); } item.setType(mat); if (update) rebuild(); } public void setDataValue(short value, boolean update) { item.setDurability(value); if (update) rebuild(); } public void setDataValue(short value) { item.setDurability(value); } public short getDataValue() { return item.getDurability(); } public Material getItem() { return item.getType(); } public void setMaxDurability(int newVal) { setMaxDurability(newVal, true); } public void setMaxDurability(int newVal, boolean update) { maxDurability = newVal; if (update) rebuild(); } public int getMaxDurability() { return maxDurability <= 0 ? -1 : maxDurability; } public void give(Player player) { player.getInventory().addItem(toItemStack(Locale.getPlayerLocale(player))); } public void addPower(Power power) { addPower(power, true); } public void addPower(Power power, boolean update) { powers.add(power); Power.powerUsage.put(power.getName(), Power.powerUsage.get(power.getName()) + 1); if (power instanceof PowerHit) { powerHit.add((PowerHit) power); } if (power instanceof PowerLeftClick) { powerLeftClick.add((PowerLeftClick) power); } if (power instanceof PowerRightClick) { powerRightClick.add((PowerRightClick) power); } if (power instanceof PowerProjectileHit) { powerProjectileHit.add((PowerProjectileHit) power); } if (power instanceof PowerTick) { powerTick.add((PowerTick) power); } if (update) rebuild(); } public boolean removePower(String pow) { Iterator<Power> it = powers.iterator(); Power power = null; while (it.hasNext()) { Power p = it.next(); if (p.getName().equalsIgnoreCase(pow)) { it.remove(); power = p; rebuild(); break; } } if (power != null) { if (power instanceof PowerHit) { powerHit.remove((PowerHit) power); } if (power instanceof PowerLeftClick) { powerLeftClick.remove(power); } if (power instanceof PowerRightClick) { powerRightClick.remove(power); } if (power instanceof PowerProjectileHit) { powerProjectileHit.remove(power); } if (power instanceof PowerTick) { powerTick.remove(power); } } return power != null; } public void addDescription(String str) { addDescription(str, true); } public void addDescription(String str, boolean update) { description.add(ChatColor.translateAlternateColorCodes('&', str)); if (update) rebuild(); } public void toggleBar() { forceBar = !forceBar; rebuild(); } }