content: package net.minecraft.item.crafting;
  
  import com.google.common.collect.Lists;
  import net.minecraft.entity.passive.EntitySheep;
  import net.minecraft.init.Items;
  import net.minecraft.inventory.InventoryCrafting;
  import net.minecraft.item.EnumDyeColor;
  import net.minecraft.item.ItemArmor;
  import net.minecraft.item.ItemStack;
  import net.minecraft.world.World;
  
  import java.util.List;
  
  public class RecipesArmorDyes implements IRecipe {
      public boolean matches(InventoryCrafting inv, World worldIn) {
          ItemStack itemstack = null;
          List<ItemStack> list = Lists.newArrayList();
  
          for (int i = 0; i < inv.getSizeInventory(); ++i) {
              ItemStack itemstack1 = inv.getStackInSlot(i);
  
              if (itemstack1 != null) {
                  if (itemstack1.getItem() instanceof ItemArmor) {
                      ItemArmor itemarmor = (ItemArmor) itemstack1.getItem();
  
                      if (itemarmor.getArmorMaterial() != ItemArmor.ArmorMaterial.LEATHER || itemstack != null) {
                          return false;
                      }
  
                      itemstack = itemstack1;
                  } else {
                      if (itemstack1.getItem() != Items.dye) {
                          return false;
                      }
  
                      list.add(itemstack1);
                  }
              }
          }
  
          return itemstack != null && !list.isEmpty();
      }
  
      public ItemStack getCraftingResult(InventoryCrafting inv) {
          ItemStack itemstack = null;
          int[] aint = new int[3];
          int i = 0;
          int j = 0;
          ItemArmor itemarmor = null;
  
          for (int k = 0; k < inv.getSizeInventory(); ++k) {
              ItemStack itemstack1 = inv.getStackInSlot(k);
  
              if (itemstack1 != null) {
                  if (itemstack1.getItem() instanceof ItemArmor) {
                      itemarmor = (ItemArmor) itemstack1.getItem();
  
                      if (itemarmor.getArmorMaterial() != ItemArmor.ArmorMaterial.LEATHER || itemstack != null) {
                          return null;
                      }
  
                      itemstack = itemstack1.copy();
                      itemstack.stackSize = 1;
  
                      if (itemarmor.hasColor(itemstack1)) {
                          int l = itemarmor.getColor(itemstack);
                          float f = (float) (l >> 16 & 255) / 255.0F;
                          float f1 = (float) (l >> 8 & 255) / 255.0F;
                          float f2 = (float) (l & 255) / 255.0F;
                          i = (int) ((float) i + Math.max(f, Math.max(f1, f2)) * 255.0F);
                          aint[0] = (int) ((float) aint[0] + f * 255.0F);
                          aint[1] = (int) ((float) aint[1] + f1 * 255.0F);
                          aint[2] = (int) ((float) aint[2] + f2 * 255.0F);
                          ++j;
                      }
                  } else {
                      if (itemstack1.getItem() != Items.dye) {
                          return null;
                      }
  
                      float[] afloat = EntitySheep.getDyeRgb(EnumDyeColor.byDyeDamage(itemstack1.getMetadata()));
                      int l1 = (int) (afloat[0] * 255.0F);
                      int i2 = (int) (afloat[1] * 255.0F);
                      int j2 = (int) (afloat[2] * 255.0F);
                      i += Math.max(l1, Math.max(i2, j2));
                      aint[0] += l1;
                      aint[1] += i2;
                      aint[2] += j2;
                      ++j;
                  }
              }
          }
  
          if (itemarmor == null) {
              return null;
          } else {
              int i1 = aint[0] / j;
              int j1 = aint[1] / j;
              int k1 = aint[2] / j;
              float f3 = (float) i / (float) j;
              float f4 = (float) Math.max(i1, Math.max(j1, k1));
              i1 = (int) ((float) i1 * f3 / f4);
              j1 = (int) ((float) j1 * f3 / f4);
              k1 = (int) ((float) k1 * f3 / f4);
              int lvt_12_3_ = (i1 << 8) + j1;
              lvt_12_3_ = (lvt_12_3_ << 8) + k1;
              itemarmor.setColor(itemstack, lvt_12_3_);
              return itemstack;
          }
      }
  
      public int getRecipeSize() {
          return 10;
      }
  
      public ItemStack getRecipeOutput() {
          return null;
      }
  
      public ItemStack[] getRemainingItems(InventoryCrafting inv) {
          ItemStack[] aitemstack = new ItemStack[inv.getSizeInventory()];
  
          for (int i = 0; i < aitemstack.length; ++i) {
              ItemStack itemstack = inv.getStackInSlot(i);
  
              if (itemstack != null && itemstack.getItem().hasContainerItem()) {
                  aitemstack[i] = new ItemStack(itemstack.getItem().getContainerItem());
              }
          }
  
          return aitemstack;
      }
  }
  