111 lines
2.6 KiB
JavaScript
111 lines
2.6 KiB
JavaScript
const config = require('../config.js');
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const crypto = require('crypto');
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const CardModel = require('../cards/cards.model');
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const CardTool = {};
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CardTool.getPackCards = async(pack) =>
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{
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var pack_cards = await CardModel.getByPack(pack.tid);
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var cards = [];
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for(var i=0; i<pack.cards; i++)
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{
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if(pack.random)
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{
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//Randomized set
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var rarity_tid = CardTool.getRandomRarity(pack, i==0);
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var variant_tid = CardTool.getRandomVariant(pack);
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var rarity_cards = CardTool.getCardArray(pack_cards, rarity_tid);
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var card = CardTool.getRandomCard(rarity_cards);
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if(card)
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{
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var cardQ = {tid: card.tid, variant: variant_tid, quantity: 1};
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cards.push(cardQ);
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}
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}
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else if(i < pack_cards.length)
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{
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//Fixed set
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var card = pack_cards[i];
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var variant_tid = CardTool.getRandomVariant(pack);
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var cardQ = {tid: card.tid, variant: variant_tid, quantity: 1};
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cards.push(cardQ);
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}
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}
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return cards;
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};
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CardTool.getRandomRarity = (pack, is_first) =>
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{
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var rarities = is_first ? pack.rarities_1st : pack.rarities;
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if(!rarities || rarities.length == 0)
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return ""; //Any rarity
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var total = 0;
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for(var rarity of rarities) {
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total += rarity.value;
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}
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var rvalue = Math.floor(Math.random()*total);
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for(var i=0; i<rarities.length; i++)
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{
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var rarity = rarities[i];
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if(rvalue < rarity.value)
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{
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return rarity.tid;
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}
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rvalue -= rarity.value;
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}
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return "";
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};
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CardTool.getRandomVariant = (pack) =>
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{
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var variants = pack.variants;
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if(!variants || variants.length == 0)
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return "";
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var total = 0;
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for(var variant of variants) {
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total += variant.value;
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}
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var rvalue = Math.floor(Math.random()*total);
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for(var i=0; i<variants.length; i++)
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{
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var variant = variants[i];
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if(rvalue < variant.value)
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{
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return variant.tid;
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}
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rvalue -= variant.value;
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}
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return "";
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};
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CardTool.getCardArray = (all_cards, rarity) =>
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{
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var valid_cards = [];
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for(var i=0; i<all_cards.length; i++)
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{
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var card = all_cards[i];
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if(!rarity || card.rarity == rarity)
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valid_cards.push(card);
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}
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return valid_cards;
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}
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CardTool.getRandomCard = (all_cards, suffix) =>
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{
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if(all_cards.length > 0)
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{
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var card = all_cards[Math.floor(Math.random()*all_cards.length)];
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return card;
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}
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return null;
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};
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module.exports = CardTool; |