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ShopTrait.java
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ShopTrait.java
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package net.citizensnpcs.trait;
import java.util.List;
import java.util.Map;
import java.util.function.Consumer;
import java.util.function.Function;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.entity.HumanEntity;
import org.bukkit.entity.Player;
import org.bukkit.event.inventory.InventoryType;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import com.google.common.base.Joiner;
import com.google.common.base.Splitter;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import net.citizensnpcs.StoredShops;
import net.citizensnpcs.api.CitizensAPI;
import net.citizensnpcs.api.gui.CitizensInventoryClickEvent;
import net.citizensnpcs.api.gui.ClickHandler;
import net.citizensnpcs.api.gui.InputMenus;
import net.citizensnpcs.api.gui.InputMenus.Choice;
import net.citizensnpcs.api.gui.InventoryMenu;
import net.citizensnpcs.api.gui.InventoryMenuPage;
import net.citizensnpcs.api.gui.InventoryMenuPattern;
import net.citizensnpcs.api.gui.InventoryMenuSlot;
import net.citizensnpcs.api.gui.Menu;
import net.citizensnpcs.api.gui.MenuContext;
import net.citizensnpcs.api.gui.MenuPattern;
import net.citizensnpcs.api.gui.MenuSlot;
import net.citizensnpcs.api.persistence.Persist;
import net.citizensnpcs.api.trait.Trait;
import net.citizensnpcs.api.trait.TraitName;
import net.citizensnpcs.api.util.Messaging;
import net.citizensnpcs.api.util.Placeholders;
import net.citizensnpcs.trait.shop.CommandAction;
import net.citizensnpcs.trait.shop.CommandAction.CommandActionGUI;
import net.citizensnpcs.trait.shop.ItemAction;
import net.citizensnpcs.trait.shop.ItemAction.ItemActionGUI;
import net.citizensnpcs.trait.shop.MoneyAction;
import net.citizensnpcs.trait.shop.MoneyAction.MoneyActionGUI;
import net.citizensnpcs.trait.shop.NPCShopAction;
import net.citizensnpcs.trait.shop.NPCShopAction.GUI;
import net.citizensnpcs.trait.shop.NPCShopAction.Transaction;
import net.citizensnpcs.trait.shop.PermissionAction;
import net.citizensnpcs.trait.shop.PermissionAction.PermissionActionGUI;
import net.citizensnpcs.util.Util;
/**
* Shop trait for NPC GUI shops.
*/
@TraitName("shop")
public class ShopTrait extends Trait {
@Persist
private String rightClickShop;
private StoredShops shops;
public ShopTrait() {
super("shop");
}
public ShopTrait(StoredShops shops) {
this();
this.shops = shops;
}
public void deleteShop(String name) {
if (shops.globalShops.containsKey(name)) {
shops.globalShops.remove(name);
} else {
shops.npcShops.remove(name);
}
}
public NPCShop getDefaultShop() {
return shops.npcShops.computeIfAbsent(npc.getUniqueId().toString(), (s) -> new NPCShop(s));
}
public NPCShop getShop(String name) {
return shops.globalShops.computeIfAbsent(name, (s) -> new NPCShop(s));
}
@Override
public void onRemove() {
deleteShop(npc.getUniqueId().toString());
}
public void onRightClick(Player player) {
if (rightClickShop == null)
return;
NPCShop shop = shops.globalShops.getOrDefault(rightClickShop, getDefaultShop());
shop.display(player);
}
public static class NPCShop {
@Persist(value = "")
private String name;
@Persist(reify = true)
private final List<NPCShopPage> pages = Lists.newArrayList();
@Persist
private String title;
@Persist
private ShopType type = ShopType.COMMAND;
@Persist
private String viewPermission;
private NPCShop() {
}
private NPCShop(String name) {
this.name = name;
}
public void display(Player sender) {
if (viewPermission != null && !sender.hasPermission(viewPermission))
return;
if (pages.size() == 0) {
Messaging.send(sender, "<red>Empty shop");
return;
}
InventoryMenu.createSelfRegistered(new NPCShopViewer(this, sender)).present(sender);
}
public void displayEditor(ShopTrait trait, Player sender) {
InventoryMenu.createSelfRegistered(new NPCShopSettings(trait, this)).present(sender);
}
public String getName() {
return name == null ? "" : name;
}
public NPCShopPage getOrCreatePage(int page) {
while (pages.size() <= page) {
pages.add(new NPCShopPage(page));
}
return pages.get(page);
}
public String getRequiredPermission() {
return viewPermission;
}
public void removePage(int index) {
for (int i = 0; i < pages.size(); i++) {
if (pages.get(i).index == index) {
pages.remove(i--);
index = -1;
} else if (index == -1) {
pages.get(i).index--;
}
}
}
public void setPermission(String permission) {
this.viewPermission = permission;
if (viewPermission != null && viewPermission.isEmpty()) {
viewPermission = null;
}
}
}
@Menu(title = "NPC Shop Contents Editor", type = InventoryType.CHEST, dimensions = { 5, 9 })
public static class NPCShopContentsEditor extends InventoryMenuPage {
private MenuContext ctx;
private int page = 0;
private final NPCShop shop;
public NPCShopContentsEditor(NPCShop shop) {
this.shop = shop;
}
public void changePage(int newPage) {
this.page = newPage;
NPCShopPage shopPage = shop.getOrCreatePage(page);
for (int i = 0; i < ctx.getInventory().getSize(); i++) {
InventoryMenuSlot slot = ctx.getSlot(i);
slot.clear();
NPCShopItem item = shopPage.getItem(i);
if (item != null) {
slot.setItemStack(item.display);
}
final int idx = i;
slot.setClickHandler(evt -> {
ctx.clearSlots();
NPCShopItem display = item;
if (display == null) {
display = new NPCShopItem();
if (evt.getCursor() != null) {
display.display = evt.getCursor().clone();
}
}
ctx.getMenu().transition(new NPCShopItemEditor(display, modified -> {
if (modified == null) {
shopPage.removeItem(idx);
} else {
shopPage.setItem(idx, modified);
}
}));
});
}
InventoryMenuSlot prev = ctx.getSlot(4 * 9 + 3);
InventoryMenuSlot edit = ctx.getSlot(4 * 9 + 4);
InventoryMenuSlot next = ctx.getSlot(4 * 9 + 5);
prev.clear();
if (page > 0) {
prev.setItemStack(new ItemStack(Material.FEATHER, 1), "Previous page (" + (page) + ")");
prev.setClickHandler(evt -> {
evt.setCancelled(true);
changePage(page - 1);
});
}
next.setItemStack(new ItemStack(Material.FEATHER, 1),
page + 1 >= shop.pages.size() ? "New page" : "Next page (" + (page + 1) + ")");
next.setClickHandler(evt -> {
evt.setCancelled(true);
changePage(page + 1);
});
edit.setItemStack(new ItemStack(Material.BOOK), "Edit page");
edit.setClickHandler(evt -> ctx.getMenu().transition(new NPCShopPageSettings(shop.getOrCreatePage(page))));
}
@Override
public void initialise(MenuContext ctx) {
this.ctx = ctx;
if (ctx.data().containsKey("removePage")) {
int index = (int) ctx.data().remove("removePage");
shop.removePage(index);
page = Math.max(page - 1, 0);
}
changePage(page);
}
}
public static class NPCShopItem implements Cloneable {
@Persist
private final List<NPCShopAction> cost = Lists.newArrayList();
@Persist
private ItemStack display;
@Persist
private String message;
@Persist
private final List<NPCShopAction> result = Lists.newArrayList();
private void changeAction(List<NPCShopAction> source, Function<NPCShopAction, Boolean> filter,
NPCShopAction delta) {
for (int i = 0; i < source.size(); i++) {
if (filter.apply(source.get(i))) {
if (delta == null) {
source.remove(i);
} else {
source.set(i, delta);
}
return;
}
}
if (delta != null) {
source.add(delta);
}
}
public void changeCost(Function<NPCShopAction, Boolean> filter, NPCShopAction cost) {
changeAction(this.cost, filter, cost);
}
public void changeResult(Function<NPCShopAction, Boolean> filter, NPCShopAction result) {
changeAction(this.result, filter, result);
}
@Override
public NPCShopItem clone() {
try {
return (NPCShopItem) super.clone();
} catch (CloneNotSupportedException e) {
throw new Error(e);
}
}
public List<Transaction> execute(List<NPCShopAction> actions, Function<NPCShopAction, Transaction> func) {
List<Transaction> pending = Lists.newArrayList();
for (NPCShopAction action : actions) {
Transaction take = func.apply(action);
if (!take.isPossible()) {
pending.forEach(a -> a.rollback());
return null;
} else {
take.run();
pending.add(take);
}
}
return pending;
}
public ItemStack getDisplayItem(Player player) {
if (display == null)
return null;
ItemStack stack = display.clone();
ItemMeta meta = stack.getItemMeta();
if (meta.hasDisplayName()) {
meta.setDisplayName(Placeholders.replace(meta.getDisplayName(), player));
}
if (!meta.hasLore()) {
List<String> lore = Lists.newArrayList();
if (cost.size() > 0) {
result.forEach((a) -> lore.add(a.describe()));
}
if (result.size() > 0) {
result.forEach((a) -> lore.add(a.describe()));
}
}
if (meta.hasLore()) {
meta.setLore(Lists.transform(meta.getLore(), line -> Placeholders.replace(line, player)));
}
stack.setItemMeta(meta);
return stack;
}
public void onClick(NPCShop shop, CitizensInventoryClickEvent event) {
List<Transaction> take = execute(cost, action -> action.take(event.getWhoClicked()));
if (take == null)
return;
if (execute(result, action -> action.grant(event.getWhoClicked())) == null) {
take.forEach(a -> a.rollback());
}
if (message != null) {
Messaging.sendColorless(event.getWhoClicked(), message);
}
}
}
@Menu(title = "NPC Shop Item Editor", type = InventoryType.CHEST, dimensions = { 6, 9 })
public static class NPCShopItemEditor extends InventoryMenuPage {
@MenuPattern(
offset = { 0, 6 },
slots = { @MenuSlot(pat = 'x', material = Material.AIR) },
value = "x x\n x \nx x")
private InventoryMenuPattern actionItems;
private NPCShopItem base;
private final Consumer<NPCShopItem> callback;
@MenuPattern(
offset = { 0, 0 },
slots = { @MenuSlot(pat = 'x', material = Material.AIR) },
value = "x x\n x \nx x")
private InventoryMenuPattern costItems;
private MenuContext ctx;
private final NPCShopItem modified;
public NPCShopItemEditor(NPCShopItem item, Consumer<NPCShopItem> consumer) {
this.base = item;
this.modified = base.clone();
this.callback = consumer;
}
@Override
public void initialise(MenuContext ctx) {
this.ctx = ctx;
if (modified.display != null) {
ctx.getSlot(9 * 4 + 4).setItemStack(modified.display);
}
ctx.getSlot(9 * 3 + 4).setItemStack(new ItemStack(Util.getFallbackMaterial("OAK_SIGN", "SIGN")),
"Set message to send on click, currently:", modified.message);
ctx.getSlot(9 * 3 + 4).setClickHandler(
e -> ctx.getMenu().transition(InputMenus.stringSetter(() -> modified.message, s -> {
modified.message = s;
ctx.getSlot(9 * 3 + 4).setDescription(modified.message);
})));
int pos = 0;
for (GUI template : NPCShopAction.getGUIs()) {
if (template.createMenuItem(null) == null)
continue;
NPCShopAction oldCost = modified.cost.stream().filter(template::manages).findFirst().orElse(null);
costItems.getSlots().get(pos)
.setItemStack(Util.editTitle(template.createMenuItem(oldCost), title -> title + " Cost"));
costItems.getSlots().get(pos).setClickHandler(event -> ctx.getMenu().transition(
template.createEditor(oldCost, cost -> modified.changeCost(template::manages, cost))));
NPCShopAction oldResult = modified.result.stream().filter(template::manages).findFirst().orElse(null);
actionItems.getSlots().get(pos)
.setItemStack(Util.editTitle(template.createMenuItem(oldResult), title -> title + " Result"));
actionItems.getSlots().get(pos).setClickHandler(event -> ctx.getMenu().transition(
template.createEditor(oldResult, result -> modified.changeResult(template::manages, result))));
pos++;
}
}
@MenuSlot(slot = { 5, 3 }, material = Material.REDSTONE_BLOCK, amount = 1, title = "<7>Cancel")
public void onCancel(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
ctx.getMenu().transitionBack();
}
@Override
public void onClose(HumanEntity who) {
if (base != null && base.display == null) {
base = null;
}
callback.accept(base);
}
@MenuSlot(slot = { 4, 5 }, material = Material.BOOK, amount = 1, title = "<f>Set description")
public void onEditDescription(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
event.setCancelled(true);
if (modified.display == null)
return;
ctx.getMenu()
.transition(InputMenus.stringSetter(() -> modified.display.getItemMeta().hasLore()
? Joiner.on("<br>").skipNulls().join(modified.display.getItemMeta().getLore())
: "", description -> {
ItemMeta meta = modified.display.getItemMeta();
meta.setLore(Lists.newArrayList(
Splitter.on("<br>").split(Messaging.parseComponents(description))));
modified.display.setItemMeta(meta);
}));
}
@MenuSlot(slot = { 4, 3 }, material = Material.FEATHER, amount = 1, title = "<f>Set name")
public void onEditName(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
event.setCancelled(true);
if (modified.display == null)
return;
ctx.getMenu().transition(InputMenus.stringSetter(modified.display.getItemMeta()::getDisplayName, name -> {
ItemMeta meta = modified.display.getItemMeta();
meta.setDisplayName(ChatColor.RESET + Messaging.parseComponents(name));
modified.display.setItemMeta(meta);
}));
}
@ClickHandler(slot = { 4, 4 })
public void onModifyDisplayItem(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
event.setCancelled(true);
if (event.getCursor() != null) {
event.setCurrentItem(event.getCursor());
modified.display = event.getCursor().clone();
} else {
event.setCurrentItem(null);
modified.display = null;
}
}
@MenuSlot(slot = { 5, 4 }, material = Material.TNT, amount = 1, title = "<c>Remove")
public void onRemove(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
base = null;
ctx.getMenu().transitionBack();
}
@MenuSlot(slot = { 5, 5 }, material = Material.EMERALD_BLOCK, amount = 1, title = "<a>Save")
public void onSave(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
base = modified;
ctx.getMenu().transitionBack();
}
}
public static class NPCShopPage {
@Persist("$key")
private int index;
@Persist(keyType = Integer.class, reify = true)
private final Map<Integer, NPCShopItem> items = Maps.newHashMap();
@Persist
private String title;
private NPCShopPage() {
}
public NPCShopPage(int page) {
this.index = page;
}
public NPCShopItem getItem(int idx) {
return items.get(idx);
}
public void removeItem(int idx) {
items.remove(idx);
}
public void setItem(int idx, NPCShopItem modified) {
items.put(idx, modified);
}
}
@Menu(title = "NPC Shop Page Editor", type = InventoryType.CHEST, dimensions = { 5, 9 })
public static class NPCShopPageSettings extends InventoryMenuPage {
private MenuContext ctx;
private final NPCShopPage page;
public NPCShopPageSettings(NPCShopPage page) {
this.page = page;
}
@MenuSlot(slot = { 0, 4 }, material = Material.FEATHER, amount = 1)
public void editPageTitle(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
ctx.getMenu().transition(InputMenus.stringSetter(() -> page.title, newTitle -> {
page.title = newTitle.isEmpty() ? null : newTitle;
}));
}
@Override
public void initialise(MenuContext ctx) {
this.ctx = ctx;
ctx.getSlot(4).setDescription("Set page title<br>Currently: " + page.title);
}
@MenuSlot(slot = { 4, 4 }, material = Material.TNT, amount = 1, title = "<c>Remove page")
public void removePage(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
ctx.data().put("removePage", page.index);
ctx.getMenu().transitionBack();
}
}
@Menu(title = "NPC Shop Editor", type = InventoryType.CHEST, dimensions = { 1, 9 })
public static class NPCShopSettings extends InventoryMenuPage {
private MenuContext ctx;
private final NPCShop shop;
private final ShopTrait trait;
public NPCShopSettings(ShopTrait trait, NPCShop shop) {
this.trait = trait;
this.shop = shop;
}
@Override
public void initialise(MenuContext ctx) {
this.ctx = ctx;
ctx.getSlot(2).setDescription("<f>Edit shop view permission<br>" + shop.getRequiredPermission());
ctx.getSlot(6).setDescription("<f>Edit shop title<br>" + shop.title);
ctx.getSlot(8)
.setDescription("<f>Show shop on right click<br>" + shop.getName().equals(trait.rightClickShop));
}
@MenuSlot(slot = { 0, 4 }, material = Material.FEATHER, amount = 1, title = "<f>Edit shop items")
public void onEditItems(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
ctx.getMenu().transition(new NPCShopContentsEditor(shop));
}
@MenuSlot(slot = { 0, 2 }, material = Material.OAK_SIGN, amount = 1)
public void onPermissionChange(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
ctx.getMenu().transition(InputMenus.stringSetter(shop::getRequiredPermission, shop::setPermission));
}
@MenuSlot(slot = { 0, 6 }, material = Material.NAME_TAG, amount = 1)
public void onSetTitle(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
ctx.getMenu().transition(InputMenus.stringSetter(() -> shop.title, newTitle -> {
shop.title = newTitle.isEmpty() ? null : newTitle;
}));
}
@MenuSlot(slot = { 0, 0 }, material = Material.BOOK, amount = 1, title = "<f>Edit shop type")
public void onShopTypeChange(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
ctx.getMenu().transition(InputMenus.<ShopType> picker("Edit shop type", chosen -> {
shop.type = chosen.getValue();
}, Choice.<ShopType> of(ShopType.BUY, Material.DIAMOND, "Players buy items", shop.type == ShopType.BUY),
Choice.of(ShopType.SELL, Material.EMERALD, "Players sell items", shop.type == ShopType.SELL),
Choice.of(ShopType.COMMAND, Material.ENDER_EYE, "Clicks trigger commands only",
shop.type == ShopType.COMMAND)));
}
@MenuSlot(slot = { 0, 8 }, material = Material.COMMAND_BLOCK, amount = 1)
public void onToggleRightClick(InventoryMenuSlot slot, CitizensInventoryClickEvent event) {
event.setCancelled(true);
if (shop.getName().equals(trait.rightClickShop)) {
trait.rightClickShop = null;
} else {
trait.rightClickShop = shop.name;
}
ctx.getSlot(8)
.setDescription("<f>Show shop on right click<br>" + (shop.getName().equals(trait.rightClickShop)));
}
}
@Menu(title = "Shop", type = InventoryType.CHEST, dimensions = { 5, 9 })
public static class NPCShopViewer extends InventoryMenuPage {
private MenuContext ctx;
private int currentPage = 0;
private final Player player;
private final NPCShop shop;
public NPCShopViewer(NPCShop shop, Player player) {
this.shop = shop;
this.player = player;
}
public void changePage(int newPage) {
this.currentPage = newPage;
NPCShopPage page = shop.pages.get(currentPage);
if (page.title != null && !page.title.isEmpty()) {
Bukkit.getScheduler().runTaskLater(CitizensAPI.getPlugin(), () -> {
ctx.setTitle(Placeholders.replace(page.title, player));
}, 1);
}
for (int i = 0; i < ctx.getInventory().getSize(); i++) {
ctx.getSlot(i).clear();
NPCShopItem item = page.getItem(i);
if (item == null)
continue;
ctx.getSlot(i).setItemStack(item.getDisplayItem(player));
ctx.getSlot(i).setClickHandler(evt -> {
evt.setCancelled(true);
item.onClick(shop, evt);
});
}
InventoryMenuSlot prev = ctx.getSlot(4 * 9 + 3);
InventoryMenuSlot next = ctx.getSlot(4 * 9 + 5);
prev.clear();
if (currentPage > 0) {
prev.setItemStack(new ItemStack(Material.FEATHER, 1), "Previous page (" + (currentPage) + ")");
prev.setClickHandler(evt -> {
evt.setCancelled(true);
changePage(currentPage - 1);
});
}
next.clear();
if (currentPage + 1 < shop.pages.size()) {
next.setItemStack(new ItemStack(Material.FEATHER, 1), "Next page (" + (currentPage + 1) + ")");
next.setClickHandler(evt -> {
evt.setCancelled(true);
changePage(currentPage + 1);
});
}
}
@Override
public Inventory createInventory(String title) {
return Bukkit.createInventory(null, 45,
shop.title == null || shop.title.isEmpty() ? "Shop" : Placeholders.replace(shop.title, player));
}
@Override
public void initialise(MenuContext ctx) {
this.ctx = ctx;
changePage(currentPage);
}
}
public enum ShopType {
BUY,
COMMAND,
SELL;
}
static {
NPCShopAction.register(ItemAction.class, "items", new ItemActionGUI());
NPCShopAction.register(PermissionAction.class, "permissions", new PermissionActionGUI());
NPCShopAction.register(MoneyAction.class, "money", new MoneyActionGUI());
NPCShopAction.register(CommandAction.class, "command", new CommandActionGUI());
}
}