122 lines
2.9 KiB
JavaScript
122 lines
2.9 KiB
JavaScript
// 商店商品配置（資料驅動 - 隨機刷新機制）
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// 商品池 - 所有可能出現的商品及其出現機率
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export const SHOP_POOL = [
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// 食物類 - 高機率
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{
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itemId: 'cookie',
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category: 'food',
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price: 10,
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appearChance: 0.8, // 80% 機率出現
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sellPrice: 5 // 賣出價格為購買價一半
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},
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{
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itemId: 'tuna_can',
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category: 'food',
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price: 30,
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appearChance: 0.6,
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sellPrice: 15
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},
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{
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itemId: 'premium_food',
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category: 'food',
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price: 50,
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appearChance: 0.3, // 30% 機率
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sellPrice: 25
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},
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// 藥品類 - 中機率
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{
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itemId: 'vitality_potion',
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category: 'medicine',
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price: 40,
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appearChance: 0.5,
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sellPrice: 20
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},
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// 裝備類 - 低機率
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{
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itemId: 'wooden_sword',
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category: 'equipment',
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price: 80,
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appearChance: 0.3,
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sellPrice: 40
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},
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{
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itemId: 'leather_armor',
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category: 'equipment',
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price: 100,
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appearChance: 0.25,
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sellPrice: 50
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},
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{
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itemId: 'magic_wand',
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category: 'equipment',
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price: 150,
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appearChance: 0.15, // 稀有
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sellPrice: 75
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},
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{
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itemId: 'hero_sword',
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category: 'equipment',
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price: 300,
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appearChance: 0.05, // 極稀有
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sellPrice: 150
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},
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// 玩具類
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{
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itemId: 'ball',
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category: 'toy',
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price: 20,
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appearChance: 0.6,
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sellPrice: 10
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},
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// 飾品類 - 稀有
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{
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itemId: 'lucky_charm',
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category: 'accessory',
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price: 150,
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appearChance: 0.2,
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sellPrice: 75
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}
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]
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// 商品分類
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export const SHOP_CATEGORIES = {
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food: { name: '食物', icon: '🍖' },
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medicine: { name: '藥品', icon: '💊' },
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equipment: { name: '裝備', icon: '⚔️' },
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toy: { name: '玩具', icon: '🎾' },
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accessory: { name: '飾品', icon: '✨' }
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}
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// 生成隨機商店商品列表
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export function generateShopItems() {
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const items = []
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for (const poolItem of SHOP_POOL) {
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// 按機率決定是否出現
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if (Math.random() < poolItem.appearChance) {
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items.push({
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...poolItem,
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stock: -1 // 無限庫存
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})
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}
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}
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// 確保至少有3個商品
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if (items.length < 3) {
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// 隨機補充商品
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const remaining = SHOP_POOL.filter(p => !items.find(i => i.itemId === p.itemId))
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while (items.length < 3 && remaining.length > 0) {
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const randomIndex = Math.floor(Math.random() * remaining.length)
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items.push({
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...remaining[randomIndex],
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stock: -1
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})
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remaining.splice(randomIndex, 1)
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}
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}
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return items
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}
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