content: package net.minecraft.item.crafting;
  
  import com.google.common.collect.Lists;
  import net.minecraft.init.Items;
  import net.minecraft.inventory.InventoryCrafting;
  import net.minecraft.item.ItemDye;
  import net.minecraft.item.ItemStack;
  import net.minecraft.nbt.NBTTagCompound;
  import net.minecraft.nbt.NBTTagList;
  import net.minecraft.world.World;
  
  import java.util.List;
  
  public class RecipeFireworks implements IRecipe {
      private ItemStack field_92102_a;
  
      public boolean matches(InventoryCrafting inv, World worldIn) {
          this.field_92102_a = null;
          int i = 0;
          int j = 0;
          int k = 0;
          int l = 0;
          int i1 = 0;
          int j1 = 0;
  
          for (int k1 = 0; k1 < inv.getSizeInventory(); ++k1) {
              ItemStack itemstack = inv.getStackInSlot(k1);
  
              if (itemstack != null) {
                  if (itemstack.getItem() == Items.gunpowder) {
                      ++j;
                  } else if (itemstack.getItem() == Items.firework_charge) {
                      ++l;
                  } else if (itemstack.getItem() == Items.dye) {
                      ++k;
                  } else if (itemstack.getItem() == Items.paper) {
                      ++i;
                  } else if (itemstack.getItem() == Items.glowstone_dust) {
                      ++i1;
                  } else if (itemstack.getItem() == Items.diamond) {
                      ++i1;
                  } else if (itemstack.getItem() == Items.fire_charge) {
                      ++j1;
                  } else if (itemstack.getItem() == Items.feather) {
                      ++j1;
                  } else if (itemstack.getItem() == Items.gold_nugget) {
                      ++j1;
                  } else {
                      if (itemstack.getItem() != Items.skull) {
                          return false;
                      }
  
                      ++j1;
                  }
              }
          }
  
          i1 = i1 + k + j1;
  
          if (j <= 3 && i <= 1) {
              if (j >= 1 && i == 1 && i1 == 0) {
                  this.field_92102_a = new ItemStack(Items.fireworks);
  
                  if (l > 0) {
                      NBTTagCompound nbttagcompound1 = new NBTTagCompound();
                      NBTTagCompound nbttagcompound3 = new NBTTagCompound();
                      NBTTagList nbttaglist = new NBTTagList();
  
                      for (int k2 = 0; k2 < inv.getSizeInventory(); ++k2) {
                          ItemStack itemstack3 = inv.getStackInSlot(k2);
  
                          if (itemstack3 != null && itemstack3.getItem() == Items.firework_charge && itemstack3.hasTagCompound() && itemstack3.getTagCompound().hasKey("Explosion", 10)) {
                              nbttaglist.appendTag(itemstack3.getTagCompound().getCompoundTag("Explosion"));
                          }
                      }
  
                      nbttagcompound3.setTag("Explosions", nbttaglist);
                      nbttagcompound3.setByte("Flight", (byte) j);
                      nbttagcompound1.setTag("Fireworks", nbttagcompound3);
                      this.field_92102_a.setTagCompound(nbttagcompound1);
                  }
  
                  return true;
              } else if (j == 1 && i == 0 && l == 0 && k > 0 && j1 <= 1) {
                  this.field_92102_a = new ItemStack(Items.firework_charge);
                  NBTTagCompound nbttagcompound = new NBTTagCompound();
                  NBTTagCompound nbttagcompound2 = new NBTTagCompound();
                  byte b0 = 0;
                  List<Integer> list = Lists.newArrayList();
  
                  for (int l1 = 0; l1 < inv.getSizeInventory(); ++l1) {
                      ItemStack itemstack2 = inv.getStackInSlot(l1);
  
                      if (itemstack2 != null) {
                          if (itemstack2.getItem() == Items.dye) {
                              list.add(Integer.valueOf(ItemDye.dyeColors[itemstack2.getMetadata() & 15]));
                          } else if (itemstack2.getItem() == Items.glowstone_dust) {
                              nbttagcompound2.setBoolean("Flicker", true);
                          } else if (itemstack2.getItem() == Items.diamond) {
                              nbttagcompound2.setBoolean("Trail", true);
                          } else if (itemstack2.getItem() == Items.fire_charge) {
                              b0 = 1;
                          } else if (itemstack2.getItem() == Items.feather) {
                              b0 = 4;
                          } else if (itemstack2.getItem() == Items.gold_nugget) {
                              b0 = 2;
                          } else if (itemstack2.getItem() == Items.skull) {
                              b0 = 3;
                          }
                      }
                  }
  
                  int[] aint1 = new int[list.size()];
  
                  for (int l2 = 0; l2 < aint1.length; ++l2) {
                      aint1[l2] = list.get(l2).intValue();
                  }
  
                  nbttagcompound2.setIntArray("Colors", aint1);
                  nbttagcompound2.setByte("Type", b0);
                  nbttagcompound.setTag("Explosion", nbttagcompound2);
                  this.field_92102_a.setTagCompound(nbttagcompound);
                  return true;
              } else if (j == 0 && i == 0 && l == 1 && k > 0 && k == i1) {
                  List<Integer> list1 = Lists.newArrayList();
  
                  for (int i2 = 0; i2 < inv.getSizeInventory(); ++i2) {
                      ItemStack itemstack1 = inv.getStackInSlot(i2);
  
                      if (itemstack1 != null) {
                          if (itemstack1.getItem() == Items.dye) {
                              list1.add(Integer.valueOf(ItemDye.dyeColors[itemstack1.getMetadata() & 15]));
                          } else if (itemstack1.getItem() == Items.firework_charge) {
                              this.field_92102_a = itemstack1.copy();
                              this.field_92102_a.stackSize = 1;
                          }
                      }
                  }
  
                  int[] aint = new int[list1.size()];
  
                  for (int j2 = 0; j2 < aint.length; ++j2) {
                      aint[j2] = list1.get(j2).intValue();
                  }
  
                  if (this.field_92102_a != null && this.field_92102_a.hasTagCompound()) {
                      NBTTagCompound nbttagcompound4 = this.field_92102_a.getTagCompound().getCompoundTag("Explosion");
  
                      if (nbttagcompound4 == null) {
                          return false;
                      } else {
                          nbttagcompound4.setIntArray("FadeColors", aint);
                          return true;
                      }
                  } else {
                      return false;
                  }
              } else {
                  return false;
              }
          } else {
              return false;
          }
      }
  
      public ItemStack getCraftingResult(InventoryCrafting inv) {
          return this.field_92102_a.copy();
      }
  
      public int getRecipeSize() {
          return 10;
      }
  
      public ItemStack getRecipeOutput() {
          return this.field_92102_a;
      }
  
      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;
      }
  }
  