124 lines
4 KiB
Java
124 lines
4 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 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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import java.util.Random;
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public class AETrading implements IVillageTradeHandler
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{
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@Override
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public void manipulateTradesForVillager( final EntityVillager villager, final MerchantRecipeList recipeList, 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( recipeList, materials.certusQuartzDust(), materials.certusQuartzCrystal(), random, 2 );
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}
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private void addMerchant( final MerchantRecipeList list, final IItemDefinition item, final int emera, final Random rand, final int greed )
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{
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for( final ItemStack itemStack : item.maybeStack( 1 ).asSet() )
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{
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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 = 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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{
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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( final MerchantRecipeList list, final IItemDefinition inputDefinition, final IItemDefinition outputDefinition, final Random rand, 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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{
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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 = 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 addToList( final MerchantRecipeList l, final ItemStack a, final ItemStack b )
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{
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if( a.stackSize < 1 )
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{
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a.stackSize = 1;
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}
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if( b.stackSize < 1 )
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{
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b.stackSize = 1;
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}
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if( a.stackSize > a.getMaxStackSize() )
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{
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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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{
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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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