341 lines
No EOL
13 KiB
JavaScript
341 lines
No EOL
13 KiB
JavaScript
//=============================================================================
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// RPG Maker MZ - KN_Shop.js
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//=============================================================================
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/*:ja
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* @target MZ
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* @author kurogoma knights
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* @base PluginCommonBase
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* @plugindesc ショップ（ランダム商品陳列）
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*
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* @command MAKE_SHOP
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* @desc ショップ作成
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* @arg name @default shop1
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* @arg buyOnly @type boolean @default false
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* @arg discountable @type boolean @default true
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* @arg manageStock @type boolean @default true
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* @desc 在庫管理する（true）か無限在庫（false）か
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*
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* @command DELETE_SHOP
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* @desc ショップ削除
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* @arg name @default shop1
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*
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* @command ADD_GOODS
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* @desc タグ指定で商品追加
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* @arg name @default shop1
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* @arg goodsType @type select @option アイテム @option スキル @option レア @option ニボシ @default アイテム
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*
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* @command ADD_GOODS_ID
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* @desc ID指定で商品追加
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* @arg name @default shop1
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* @arg items @type item[] @default []
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*
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* @command RANDOMIZE
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* @desc 商品をランダム選択
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* @arg name @default shop1
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* @arg minGoods @type number @min 1 @default 6
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* @arg maxGoods @type number @max 20 @default 8
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* @arg unique @type boolean @default false
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*
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* @command OPEN_SHOP
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* @desc ショップを開く
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* @arg name @default shop1
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*
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* @command RESET_SHOP
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* @desc 在庫リセット（全商品再入荷）
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* @arg name @default shop1
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*/
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(() => {
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'use strict';
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const script = document.currentScript;
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//=========================================================================
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// 定数
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//=========================================================================
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const SOLD_OUT_LABEL = 'Sold Out';
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const DISCOUNT_ITEM_ID = 244;
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const DISCOUNT_RATE = 0.8;
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//=========================================================================
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// ユーティリティ
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//=========================================================================
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// 真偽値に変換
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function toBool(v, defaultVal = false) {
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if (v === true || v === 'true' || v === 1 || v === '1') return true;
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if (v === false || v === 'false' || v === 0 || v === '0') return false;
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return defaultVal;
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}
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// 配列をシャッフルして指定数を取得
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function pickRandom(array, count, unique = true) {
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if (unique) {
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const shuffled = [...array].sort(() => Math.random() - 0.5);
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return shuffled.slice(0, Math.min(count, array.length))
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.map(item => JsonEx.makeDeepCopy(item));
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} else {
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return Array.from({ length: count }, () => {
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const item = array[Math.floor(Math.random() * array.length)];
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return JsonEx.makeDeepCopy(item);
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});
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}
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}
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// ショップ用商品データ作成
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function createGoods(itemId, overridePrice = null) {
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return [
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0, // 商品種別（0:アイテム）
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itemId, // アイテムID
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overridePrice ? 1 : 0, // 価格種別（0:標準 1:指定）
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overridePrice, // 価格指定値
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true // 在庫あり
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];
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}
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// 割引後の価格を計算
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function getDiscountedPrice(basePrice, allowDiscount) {
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if (allowDiscount && $gameParty.hasItem($dataItems[DISCOUNT_ITEM_ID], false)) {
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return Math.floor(basePrice * DISCOUNT_RATE);
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}
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return basePrice;
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}
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// スキルタイプ判定
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function isActiveSkill(item) {
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return item?.meta?.['スキルタイプ'] === 'アクティブ';
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}
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// 所持数取得
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// パッシブ：そのアイテムのみカウント
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// アクティブ：強化前後を合算（どちらか片方しか持てない）
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function getOwnedCount(item) {
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let count = $gameParty.numItems(item);
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// アクティブスキルは強化前後を合算
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if (isActiveSkill(item) && item.id % 2 === 0) {
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const evolved = $dataItems[item.id + 1];
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if (evolved) count += $gameParty.numItems(evolved);
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}
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return count;
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}
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//=========================================================================
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// ショップデータ管理（Game_System拡張）
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//=========================================================================
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const _Game_System_initialize = Game_System.prototype.initialize;
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Game_System.prototype.initialize = function() {
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_Game_System_initialize.call(this);
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this._knShops = [];
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};
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// ショップ検索
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Game_System.prototype.knFindShop = function(args) {
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return this._knShops.find(shop => shop.name === args.name);
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};
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// ショップ作成
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Game_System.prototype.knMakeShop = function(args) {
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if (this.knFindShop(args)) {
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return console.warn(`knMakeShop: already exists: ${args.name}`);
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}
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this._knShops.push({
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name: args.name,
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goods: [],
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buyOnly: toBool(args.buyOnly, false),
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discountable: toBool(args.discountable, true),
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manageStock: toBool(args.manageStock, true)
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});
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};
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// ショップ削除
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Game_System.prototype.knDeleteShop = function(args) {
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const index = this._knShops.findIndex(shop => shop.name === args.name);
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if (index === -1) return;
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this._knShops.splice(index, 1);
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};
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// タグ指定で商品追加
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Game_System.prototype.knAddGoods = function(args) {
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const shop = this.knFindShop(args);
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if (!shop) return console.warn(`knAddGoods: shop not found: ${args.name}`);
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const tagMap = {
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'アイテム': '<アイテムショップグッズ>',
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'スキル': '<スキルショップグッズ>',
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'レア': '<レアショップグッズ>',
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'ニボシ': '<ニボシショップグッズ>'
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};
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const tag = tagMap[args.goodsType];
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if (!tag) return console.warn(`knAddGoods: unknown type: ${args.goodsType}`);
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$dataItems.forEach(item => {
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if (item?.note?.includes(tag)) {
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shop.goods.push(createGoods(item.id, item.meta?.OverridePrice));
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}
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});
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};
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// ID指定で商品追加
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Game_System.prototype.knAddGoodsId = function(args) {
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const shop = this.knFindShop(args);
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if (!shop) return console.warn(`knAddGoodsId: shop not found: ${args.name}`);
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if (!Array.isArray(args.items)) return;
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args.items.forEach(id => {
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const item = $dataItems[id];
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if (item) {
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shop.goods.push(createGoods(item.id, item.meta?.OverridePrice));
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}
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});
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};
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// 商品をランダム選択
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Game_System.prototype.knRandomize = function(args) {
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const shop = this.knFindShop(args);
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if (!shop) return console.warn(`knRandomize: shop not found: ${args.name}`);
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const count = Kurogoma.Random.range(args.minGoods, args.maxGoods);
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shop.goods = pickRandom(shop.goods, count, toBool(args.unique, false));
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};
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// 在庫リセット
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Game_System.prototype.knResetShop = function(args) {
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const shop = this.knFindShop(args);
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if (!shop) return console.warn(`knResetShop: not found: ${args.name}`);
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shop.goods.forEach(g => g[4] = true);
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};
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// ショップを開く
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Game_System.prototype.knOpenShop = function(args) {
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const shop = this.knFindShop(args);
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if (!shop) return console.warn(`knOpenShop: not found: ${args.name}`);
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SceneManager.push(Scene_ShopEx);
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SceneManager.prepareNextScene(shop.goods, shop.buyOnly, {
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discountable: shop.discountable,
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manageStock: shop.manageStock
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});
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};
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//=========================================================================
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// プラグインコマンド登録
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//=========================================================================
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PluginManagerEx.registerCommand(script, "MAKE_SHOP", args => $gameSystem.knMakeShop(args));
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PluginManagerEx.registerCommand(script, "DELETE_SHOP", args => $gameSystem.knDeleteShop(args));
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PluginManagerEx.registerCommand(script, "ADD_GOODS", args => $gameSystem.knAddGoods(args));
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PluginManagerEx.registerCommand(script, "ADD_GOODS_ID", args => $gameSystem.knAddGoodsId(args));
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PluginManagerEx.registerCommand(script, "RANDOMIZE", args => $gameSystem.knRandomize(args));
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PluginManagerEx.registerCommand(script, "RESET_SHOP", args => $gameSystem.knResetShop(args));
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PluginManagerEx.registerCommand(script, "OPEN_SHOP", args => $gameSystem.knOpenShop(args));
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//=========================================================================
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// Scene_Shop拡張
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//=========================================================================
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class Scene_ShopEx extends Scene_Shop {
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prepare(goods, purchaseOnly, shopMeta) {
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super.prepare(goods, purchaseOnly);
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this._shopMeta = shopMeta;
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}
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createBuyWindow() {
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const rect = this.buyWindowRect();
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this._buyWindow = new Window_ShopBuyEx(rect);
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this._buyWindow.setupGoods(this._goods);
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this._buyWindow.setHelpWindow(this._helpWindow);
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this._buyWindow.setStatusWindow(this._statusWindow);
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this._buyWindow.hide();
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this._buyWindow.setHandler("ok", this.onBuyOk.bind(this));
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this._buyWindow.setHandler("cancel", this.onBuyCancel.bind(this));
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this.addWindow(this._buyWindow);
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}
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// 数量入力をスキップして直接購入
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onBuyOk() {
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this._item = this._buyWindow.item();
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SoundManager.playShop();
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this.doBuy(1);
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this.activateBuyWindow();
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this._goldWindow.refresh();
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this._statusWindow.refresh();
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}
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doBuy(number) {
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super.doBuy(number);
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if (this._shopMeta?.manageStock) {
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this._goods[this._buyWindow.index()][4] = false;
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}
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}
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buyingPrice() {
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const base = super.buyingPrice();
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return getDiscountedPrice(base, this._shopMeta?.discountable);
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}
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}
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//=========================================================================
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// Window_ShopBuy拡張
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//=========================================================================
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class Window_ShopBuyEx extends Window_ShopBuy {
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// 商品描画
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drawItem(index) {
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const item = this.itemAt(index);
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const rect = this.itemLineRect(index);
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const priceWidth = this.priceWidth();
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const nameWidth = rect.width - priceWidth;
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const shopMeta = SceneManager._scene?._shopMeta;
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const inStock = shopMeta?.manageStock ? this._shopGoods[index][4] : true;
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const price = getDiscountedPrice(this.price(item), shopMeta?.discountable);
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const priceText = inStock ? price : SOLD_OUT_LABEL;
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this.changePaintOpacity(this.isEnabled(item, inStock));
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this.drawItemName(item, rect.x, rect.y, nameWidth);
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this.drawText(priceText, rect.x + nameWidth, rect.y, priceWidth, "right");
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this.changePaintOpacity(true);
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}
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// 現在選択中のアイテムが購入可能か
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isCurrentItemEnabled() {
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const item = this._data[this.index()];
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const goods = this._shopGoods[this.index()];
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const manageStock = SceneManager._scene?._shopMeta?.manageStock;
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const inStock = manageStock ? (goods?.[4] ?? false) : true;
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return this.isEnabled(item, inStock);
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}
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// 購入可能判定
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isEnabled(item, inStock) {
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if (!super.isEnabled(item)) return false;
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if (!inStock) return false;
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if (!this.canPurchaseItem(item)) return false;
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return true;
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}
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// 所持制限チェック
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canPurchaseItem(item) {
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if (!item) return false;
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const limit = Number(item.meta?.['所持制限'] ?? 99);
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const owned = getOwnedCount(item);
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// 所持制限に達している
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if (owned >= limit) return false;
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// アクティブスキル：強化後を持っているなら強化前は買えない
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// （getOwnedCountで合算済みだが、明示的に重複禁止のチェックも残す）
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if (isActiveSkill(item) && item.id % 2 === 0) {
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const evolved = $dataItems[item.id + 1];
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if (evolved && $gameParty.hasItem(evolved)) return false;
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}
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return true;
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}
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}
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})(); |