Electroblob77
109 lines
4.2 KiB
Java
109 lines
4.2 KiB
Java
package electroblob.wizardry.misc;
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import com.google.common.collect.HashMultimap;
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import com.google.common.collect.Multimap;
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import electroblob.wizardry.Wizardry;
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import electroblob.wizardry.item.IManaStoringItem;
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import electroblob.wizardry.item.ItemManaFlask;
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import net.minecraft.inventory.InventoryCrafting;
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import net.minecraft.item.Item;
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import net.minecraft.item.ItemStack;
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import net.minecraft.world.World;
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import net.minecraftforge.fml.common.Mod;
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import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
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import net.minecraftforge.fml.common.gameevent.PlayerEvent;
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import net.minecraftforge.oredict.OreDictionary;
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import net.minecraftforge.oredict.ShapelessOreRecipe;
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import java.util.Collection;
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/**
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* Implements a dynamic crafting recipe for recharging items with mana flasks.
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*
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* @author Corail31, Electroblob
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* @since Wizardry 4.2.2
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*/
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@Mod.EventBusSubscriber
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public class RecipeRechargeWithFlask extends ShapelessOreRecipe {
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private static final Multimap<Item, RecipeRechargeWithFlask> FLASK_RECIPES = HashMultimap.create();
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private final IManaStoringItem chargeable;
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private final ItemManaFlask flask;
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/**
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* Creates a new charging recipe for the given chargeable item using the given flask item.
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* @param chargeable The type of item to be charged
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* @param flask The mana flask used to charge the item
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*/
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public RecipeRechargeWithFlask(Item chargeable, ItemManaFlask flask){
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super(null, new ItemStack(chargeable, 1, OreDictionary.WILDCARD_VALUE),
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new ItemStack(chargeable, 1, OreDictionary.WILDCARD_VALUE), flask);
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if(!(chargeable instanceof IManaStoringItem)) throw new IllegalArgumentException("Item to be charged must be an instance of IManaStoringItem");
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this.chargeable = (IManaStoringItem)chargeable;
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this.flask = flask;
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FLASK_RECIPES.put(chargeable, this);
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}
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// Commented out for now because JEI spams the log with errors about the recipe having no output
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// @Nonnull
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// @Override
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// public ItemStack getRecipeOutput(){
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// return ItemStack.EMPTY; // According to the javadoc, dynamic recipes are supposed to return an empty stack here
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// }
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@Override
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public ItemStack getCraftingResult(InventoryCrafting inv){
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ItemStack result = super.getCraftingResult(inv);
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rechargeItemAndCopyNBT(result, inv);
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return result;
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}
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@Override
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public boolean matches(InventoryCrafting inv, World world){
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ItemStack stack = findItemToCharge(inv);
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if(!stack.isEmpty() && chargeable.isManaFull(stack)) return false;
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return super.matches(inv, world);
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}
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private void rechargeItemAndCopyNBT(ItemStack toCharge, InventoryCrafting inv){
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if(toCharge.getItem() == chargeable){
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ItemStack stack = findItemToCharge(inv);
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if(!stack.isEmpty()) chargeable.setMana(toCharge, chargeable.getMana(stack));
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chargeable.rechargeMana(toCharge, flask.size.capacity);
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toCharge.setTagCompound(stack.getTagCompound()); // Copy NBT to new stack
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}else{
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Wizardry.logger.warn("Tried to recharge item {} with mana flask, but it did not match the recipe result {}!", toCharge.getItem(), chargeable);
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}
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}
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private ItemStack findItemToCharge(InventoryCrafting inv){
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for(int i=0; i<inv.getSizeInventory(); i++){
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ItemStack ingredient = inv.getStackInSlot(i);
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if(ingredient.getItem() == chargeable) return ingredient;
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}
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return ItemStack.EMPTY;
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}
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@Override
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public boolean isDynamic(){
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return true; // Stops it appearing in the recipe book
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}
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@SubscribeEvent
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public static void onItemCraftedEvent(PlayerEvent.ItemCraftedEvent event){
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// getCraftingResult seems to only work for the result that's displayed, not once it is actually taken
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// This means that although I no longer have to replace the result every tick, I still need to do it here
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// ... I thought the whole point of the new recipe system was so that I DIDN'T have to do this?!
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if(event.craftMatrix instanceof InventoryCrafting){
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Collection<RecipeRechargeWithFlask> recipes = FLASK_RECIPES.get(event.crafting.getItem());
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for(RecipeRechargeWithFlask recipe : recipes){
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if(recipe.matches((InventoryCrafting)event.craftMatrix, event.player.world)){
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// Have to modify the itemstack in the actual event, it cannot be replaced
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recipe.rechargeItemAndCopyNBT(event.crafting, (InventoryCrafting)event.craftMatrix);
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}
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}
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}
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}
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}
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