135 lines
4.5 KiB
Java
135 lines
4.5 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
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*
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* Applied Energistics 2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Applied Energistics 2 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
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*/
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package appeng.hooks;
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import java.util.Random;
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import appeng.api.AEApi;
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import appeng.api.definitions.IItemDefinition;
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import appeng.api.definitions.IMaterials;
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import com.google.common.base.Optional;
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import cpw.mods.fml.common.registry.VillagerRegistry.IVillageTradeHandler;
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import net.minecraft.entity.passive.EntityVillager;
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import net.minecraft.init.Items;
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import net.minecraft.item.ItemStack;
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import net.minecraft.village.MerchantRecipe;
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import net.minecraft.village.MerchantRecipeList;
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public class AETrading implements IVillageTradeHandler {
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@Override
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public void manipulateTradesForVillager(
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final EntityVillager villager,
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final MerchantRecipeList recipeList,
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final Random random
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) {
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final IMaterials materials = AEApi.instance().definitions().materials();
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this.addMerchant(recipeList, materials.silicon(), 1, random, 2);
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this.addMerchant(recipeList, materials.certusQuartzCrystal(), 2, random, 4);
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this.addMerchant(recipeList, materials.certusQuartzDust(), 1, random, 3);
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this.addTrade(
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recipeList,
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materials.certusQuartzDust(),
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materials.certusQuartzCrystal(),
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random,
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2
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);
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}
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private void addMerchant(
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final MerchantRecipeList list,
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final IItemDefinition item,
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final int emera,
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final Random rand,
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final int greed
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) {
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for (final ItemStack itemStack : item.maybeStack(1).asSet()) {
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// Sell
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final ItemStack from = itemStack.copy();
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final ItemStack to = new ItemStack(Items.emerald);
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final int multiplier = (Math.abs(rand.nextInt()) % 6);
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final int emeraldCost
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= emera + (Math.abs(rand.nextInt()) % greed) - multiplier;
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final int mood = rand.nextInt() % 2;
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from.stackSize = multiplier + mood;
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to.stackSize = multiplier * emeraldCost - mood;
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if (to.stackSize < 0) {
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from.stackSize -= to.stackSize;
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to.stackSize -= to.stackSize;
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}
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this.addToList(list, from, to);
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// Buy
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final ItemStack reverseTo = from.copy();
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final ItemStack reverseFrom = to.copy();
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reverseFrom.stackSize *= rand.nextFloat() * 3.0f + 1.0f;
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this.addToList(list, reverseFrom, reverseTo);
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}
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}
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private void addTrade(
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final MerchantRecipeList list,
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final IItemDefinition inputDefinition,
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final IItemDefinition outputDefinition,
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final Random rand,
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final int conversionVariance
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) {
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final Optional<ItemStack> maybeInputStack = inputDefinition.maybeStack(1);
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final Optional<ItemStack> maybeOutputStack = outputDefinition.maybeStack(1);
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if (maybeInputStack.isPresent() && maybeOutputStack.isPresent()) {
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// Sell
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final ItemStack inputStack = maybeInputStack.get().copy();
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final ItemStack outputStack = maybeOutputStack.get().copy();
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inputStack.stackSize
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= 1 + (Math.abs(rand.nextInt()) % (1 + conversionVariance));
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outputStack.stackSize = 1;
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this.addToList(list, inputStack, outputStack);
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}
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}
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private void
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addToList(final MerchantRecipeList l, final ItemStack a, final ItemStack b) {
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if (a.stackSize < 1) {
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a.stackSize = 1;
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}
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if (b.stackSize < 1) {
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b.stackSize = 1;
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}
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if (a.stackSize > a.getMaxStackSize()) {
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a.stackSize = a.getMaxStackSize();
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}
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if (b.stackSize > b.getMaxStackSize()) {
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b.stackSize = b.getMaxStackSize();
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}
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l.add(new MerchantRecipe(a, b));
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}
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}
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