001package net.minecraft.village;
002
003import cpw.mods.fml.relauncher.Side;
004import cpw.mods.fml.relauncher.SideOnly;
005import java.io.DataInputStream;
006import java.io.DataOutputStream;
007import java.io.IOException;
008import java.util.ArrayList;
009import net.minecraft.item.ItemStack;
010import net.minecraft.nbt.NBTTagCompound;
011import net.minecraft.nbt.NBTTagList;
012import net.minecraft.network.packet.Packet;
013
014public class MerchantRecipeList extends ArrayList
015{
016    public MerchantRecipeList() {}
017
018    public MerchantRecipeList(NBTTagCompound par1NBTTagCompound)
019    {
020        this.readRecipiesFromTags(par1NBTTagCompound);
021    }
022
023    /**
024     * can par1,par2 be used to in crafting recipe par3
025     */
026    public MerchantRecipe canRecipeBeUsed(ItemStack par1ItemStack, ItemStack par2ItemStack, int par3)
027    {
028        if (par3 > 0 && par3 < this.size())
029        {
030            MerchantRecipe var6 = (MerchantRecipe)this.get(par3);
031            return par1ItemStack.itemID == var6.getItemToBuy().itemID && (par2ItemStack == null && !var6.hasSecondItemToBuy() || var6.hasSecondItemToBuy() && par2ItemStack != null && var6.getSecondItemToBuy().itemID == par2ItemStack.itemID) && par1ItemStack.stackSize >= var6.getItemToBuy().stackSize && (!var6.hasSecondItemToBuy() || par2ItemStack.stackSize >= var6.getSecondItemToBuy().stackSize) ? var6 : null;
032        }
033        else
034        {
035            for (int var4 = 0; var4 < this.size(); ++var4)
036            {
037                MerchantRecipe var5 = (MerchantRecipe)this.get(var4);
038
039                if (par1ItemStack.itemID == var5.getItemToBuy().itemID && par1ItemStack.stackSize >= var5.getItemToBuy().stackSize && (!var5.hasSecondItemToBuy() && par2ItemStack == null || var5.hasSecondItemToBuy() && par2ItemStack != null && var5.getSecondItemToBuy().itemID == par2ItemStack.itemID && par2ItemStack.stackSize >= var5.getSecondItemToBuy().stackSize))
040                {
041                    return var5;
042                }
043            }
044
045            return null;
046        }
047    }
048
049    /**
050     * checks if there is a recipie for the same ingredients already on the list, and replaces it. otherwise, adds it
051     */
052    public void addToListWithCheck(MerchantRecipe par1MerchantRecipe)
053    {
054        for (int var2 = 0; var2 < this.size(); ++var2)
055        {
056            MerchantRecipe var3 = (MerchantRecipe)this.get(var2);
057
058            if (par1MerchantRecipe.hasSameIDsAs(var3))
059            {
060                if (par1MerchantRecipe.hasSameItemsAs(var3))
061                {
062                    this.set(var2, par1MerchantRecipe);
063                }
064
065                return;
066            }
067        }
068
069        this.add(par1MerchantRecipe);
070    }
071
072    public void writeRecipiesToStream(DataOutputStream par1DataOutputStream) throws IOException
073    {
074        par1DataOutputStream.writeByte((byte)(this.size() & 255));
075
076        for (int var2 = 0; var2 < this.size(); ++var2)
077        {
078            MerchantRecipe var3 = (MerchantRecipe)this.get(var2);
079            Packet.writeItemStack(var3.getItemToBuy(), par1DataOutputStream);
080            Packet.writeItemStack(var3.getItemToSell(), par1DataOutputStream);
081            ItemStack var4 = var3.getSecondItemToBuy();
082            par1DataOutputStream.writeBoolean(var4 != null);
083
084            if (var4 != null)
085            {
086                Packet.writeItemStack(var4, par1DataOutputStream);
087            }
088
089            par1DataOutputStream.writeBoolean(var3.func_82784_g());
090        }
091    }
092
093    @SideOnly(Side.CLIENT)
094    public static MerchantRecipeList readRecipiesFromStream(DataInputStream par0DataInputStream) throws IOException
095    {
096        MerchantRecipeList var1 = new MerchantRecipeList();
097        int var2 = par0DataInputStream.readByte() & 255;
098
099        for (int var3 = 0; var3 < var2; ++var3)
100        {
101            ItemStack var4 = Packet.readItemStack(par0DataInputStream);
102            ItemStack var5 = Packet.readItemStack(par0DataInputStream);
103            ItemStack var6 = null;
104
105            if (par0DataInputStream.readBoolean())
106            {
107                var6 = Packet.readItemStack(par0DataInputStream);
108            }
109
110            boolean var7 = par0DataInputStream.readBoolean();
111            MerchantRecipe var8 = new MerchantRecipe(var4, var6, var5);
112
113            if (var7)
114            {
115                var8.func_82785_h();
116            }
117
118            var1.add(var8);
119        }
120
121        return var1;
122    }
123
124    public void readRecipiesFromTags(NBTTagCompound par1NBTTagCompound)
125    {
126        NBTTagList var2 = par1NBTTagCompound.getTagList("Recipes");
127
128        for (int var3 = 0; var3 < var2.tagCount(); ++var3)
129        {
130            NBTTagCompound var4 = (NBTTagCompound)var2.tagAt(var3);
131            this.add(new MerchantRecipe(var4));
132        }
133    }
134
135    public NBTTagCompound getRecipiesAsTags()
136    {
137        NBTTagCompound var1 = new NBTTagCompound();
138        NBTTagList var2 = new NBTTagList("Recipes");
139
140        for (int var3 = 0; var3 < this.size(); ++var3)
141        {
142            MerchantRecipe var4 = (MerchantRecipe)this.get(var3);
143            var2.appendTag(var4.writeToTags());
144        }
145
146        var1.setTag("Recipes", var2);
147        return var1;
148    }
149}