614 lines
16 KiB
Java

package com.hbm.util;
import java.util.List;
import com.hbm.inventory.RecipesCommon.AStack;
import com.hbm.inventory.recipes.anvil.AnvilRecipes.AnvilOutput;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;
import net.minecraftforge.oredict.OreDictionary;
//'t was about time
public class InventoryUtil {
/**
* Will attempt to cram a much of the given itemstack into the stack array as possible
* The rest will be returned
* @param inv the stack array, usually a TE's inventory
* @param start the starting index (inclusive)
* @param end the end index (inclusive)
* @param stack the stack to be added to the inventory
* @return the remainder of the stack that could not have been added, can return null
*/
public static ItemStack tryAddItemToInventory(ItemStack[] inv, int start, int end, ItemStack stack) {
ItemStack rem = tryAddItemToExistingStack(inv, start, end, stack);
if(rem == null)
return null;
boolean didAdd = tryAddItemToNewSlot(inv, start, end, rem);
if(didAdd)
return null;
else
return rem;
}
public static ItemStack tryAddItemToInventory(ItemStack[] inv, ItemStack stack) {
return tryAddItemToInventory(inv, 0, inv.length - 1, stack);
}
/**
* Functionally equal to tryAddItemToInventory, but will not try to create new stacks in empty slots
* @param inv
* @param start
* @param end
* @param stack
* @return
*/
public static ItemStack tryAddItemToExistingStack(ItemStack[] inv, int start, int end, ItemStack stack) {
if(stack == null || stack.stackSize == 0)
return null;
for(int i = start; i <= end; i++) {
if(doesStackDataMatch(inv[i], stack)) {
int transfer = Math.min(stack.stackSize, inv[i].getMaxStackSize() - inv[i].stackSize);
if(transfer > 0) {
inv[i].stackSize += transfer;
stack.stackSize -= transfer;
if(stack.stackSize == 0)
return null;
}
}
}
return stack;
}
/**
* Will place the stack in the first empty slot
* @param inv
* @param start
* @param end
* @param stack
* @return whether the stack could be added or not
*/
public static boolean tryAddItemToNewSlot(ItemStack[] inv, int start, int end, ItemStack stack) {
if(stack == null || stack.stackSize == 0)
return true;
for(int i = start; i <= end; i++) {
if(inv[i] == null) {
inv[i] = stack;
return true;
}
}
return false;
}
/**
* Much of the same but with an ISidedInventory instance instead of a slot array
* @param inv
* @param start
* @param end
* @param stack
* @return
*/
public static ItemStack tryAddItemToInventory(IInventory inv, int start, int end, ItemStack stack) {
ItemStack rem = tryAddItemToExistingStack(inv, start, end, stack);
if(rem == null)
return null;
boolean didAdd = tryAddItemToNewSlot(inv, start, end, rem);
if(didAdd)
return null;
else
return rem;
}
public static ItemStack tryAddItemToExistingStack(IInventory inv, int start, int end, ItemStack stack) {
if(stack == null || stack.stackSize == 0)
return null;
for(int i = start; i <= end; i++) {
if(doesStackDataMatch(inv.getStackInSlot(i), stack)) {
int transfer = Math.min(stack.stackSize, inv.getStackInSlot(i).getMaxStackSize() - inv.getStackInSlot(i).stackSize);
if(transfer > 0) {
inv.getStackInSlot(i).stackSize += transfer;
stack.stackSize -= transfer;
if(stack.stackSize == 0)
return null;
}
}
}
return stack;
}
public static boolean tryAddItemToNewSlot(IInventory inv, int start, int end, ItemStack stack) {
if(stack == null || stack.stackSize == 0)
return true;
for(int i = start; i <= end; i++) {
if(inv.getStackInSlot(i) == null) {
inv.setInventorySlotContents(i, stack);
return true;
}
}
return false;
}
public static boolean tryConsumeAStack(ItemStack[] inv, int start, int end, AStack stack) {
if(stack == null)
return true;
AStack copy = stack.copy();
for(int i = start; i <= end; i++) {
ItemStack in = inv[i];
if(stack.matchesRecipe(in, true)) {
int size = Math.min(copy.stacksize, in.stackSize);
in.stackSize -= size;
copy.stacksize -= size;
if(in.stackSize == 0)
inv[i] = null;
if(copy.stacksize == 0)
return true;
}
}
return false;
}
/**
* Compares item, metadata and NBT data of two stacks. Also handles null values!
* @param stack1
* @param stack2
* @return
*/
public static boolean doesStackDataMatch(ItemStack stack1, ItemStack stack2) {
if(stack1 == null && stack2 == null) return true;
if(stack1 == null && stack2 != null) return false;
if(stack1 != null && stack2 == null) return false;
if(stack1.getItem() != stack2.getItem()) return false;
if(stack1.getItemDamage() != stack2.getItemDamage()) return false;
if(!stack1.hasTagCompound() && !stack2.hasTagCompound()) return true;
if(stack1.hasTagCompound() && !stack2.hasTagCompound()) return false;
if(!stack1.hasTagCompound() && stack2.hasTagCompound()) return false;
return stack1.getTagCompound().equals(stack2.getTagCompound());
}
/**
* Checks if a player has matching item stacks in his inventory and removes them if so desired
* @param player
* @param stacks the AStacks (comparable or ore-dicted)
* @param shouldRemove whether it should just return true or false or if a successful check should also remove all the items
* @return whether the player has the required item stacks or not
*/
public static boolean doesPlayerHaveAStacks(EntityPlayer player, List<AStack> stacks, boolean shouldRemove) {
ItemStack[] original = player.inventory.mainInventory;
ItemStack[] inventory = new ItemStack[original.length];
boolean[] modified = new boolean[original.length];
AStack[] input = new AStack[stacks.size()];
//first we copy the inputs into an array because 1. it's easier to deal with and 2. we can dick around with the stack sized with no repercussions
for(int i = 0; i < input.length; i++) {
input[i] = stacks.get(i).copy();
}
//then we copy the inventory so we can dick around with it as well without making actual modifications to the player's inventory
for(int i = 0; i < original.length; i++) {
if(original[i] != null) {
inventory[i] = original[i].copy();
}
}
//now we go through every ingredient...
for(int i = 0; i < input.length; i++) {
AStack stack = input[i];
//...and compare each ingredient to every stack in the inventory
for(int j = 0; j < inventory.length; j++) {
ItemStack inv = inventory[j];
//we check if it matches but ignore stack size for now
if(stack.matchesRecipe(inv, true)) {
//and NOW we care about the stack size
int size = Math.min(stack.stacksize, inv.stackSize);
stack.stacksize -= size;
inv.stackSize -= size;
modified[j] = true;
//spent stacks are removed from the equation so that we don't cross ourselves later on
if(stack.stacksize <= 0) {
input[i] = null;
break;
}
if(inv.stackSize <= 0) {
inventory[j] = null;
}
}
}
}
for(AStack stack : input) {
if(stack != null) {
return false;
}
}
if(shouldRemove) {
for(int i = 0; i < original.length; i++) {
if(inventory[i] != null && inventory[i].stackSize <= 0) {
original[i] = null;
} else {
if(modified[i]) original[i] = inventory[i];
}
}
}
return true;
}
public static void giveChanceStacksToPlayer(EntityPlayer player, List<AnvilOutput> stacks) {
for(AnvilOutput out : stacks) {
if(out.chance == 1.0F || player.getRNG().nextFloat() < out.chance) {
if(!player.inventory.addItemStackToInventory(out.stack.copy())) {
player.dropPlayerItemWithRandomChoice(out.stack.copy(), false);
}
}
}
}
public static boolean hasOreDictMatches(EntityPlayer player, String dict, int count) {
return countOreDictMatches(player, dict) >= count;
}
public static int countOreDictMatches(EntityPlayer player, String dict) {
int count = 0;
for(int i = 0; i < player.inventory.mainInventory.length; i++) {
ItemStack stack = player.inventory.mainInventory[i];
if(stack != null) {
int[] ids = OreDictionary.getOreIDs(stack);
for(int id : ids) {
if(OreDictionary.getOreName(id).equals(dict)) {
count += stack.stackSize;
break;
}
}
}
}
return count;
}
public static void consumeOreDictMatches(EntityPlayer player, String dict, int count) {
for(int i = 0; i < player.inventory.mainInventory.length; i++) {
ItemStack stack = player.inventory.mainInventory[i];
if(stack != null) {
int[] ids = OreDictionary.getOreIDs(stack);
for(int id : ids) {
if(OreDictionary.getOreName(id).equals(dict)) {
int toConsume = Math.min(count, stack.stackSize);
player.inventory.decrStackSize(i, toConsume);
count -= toConsume;
break;
}
}
}
}
}
/**
* Turns objects into 2D ItemStack arrays. Index 1: Ingredient slot, index 2: variation (ore dict)
* Handles:<br>
* <ul>
* <li>ItemStack</li>
* <li>ItemStack[]</li>
* <li>AStack</li>
* <li>AStack[]</li>
* </ul>
* @param o
* @return
*/
public static ItemStack[][] extractObject(Object o) {
if(o instanceof ItemStack) {
ItemStack[][] stacks = new ItemStack[1][1];
stacks[0][0] = ((ItemStack)o).copy();
return stacks;
}
if(o instanceof ItemStack[]) {
ItemStack[] ingredients = (ItemStack[]) o;
ItemStack[][] stacks = new ItemStack[ingredients.length][1];
for(int i = 0; i < ingredients.length; i++) {
stacks[i][0] = ingredients[i];
}
return stacks;
}
if(o instanceof AStack) {
AStack astack = (AStack) o;
ItemStack[] ext = astack.extractForNEI().toArray(new ItemStack[0]);
ItemStack[][] stacks = new ItemStack[1][0];
stacks[0] = ext; //untested, do java arrays allow that? the capacity set is 0 after all
return stacks;
}
if(o instanceof AStack[]) {
AStack[] ingredients = (AStack[]) o;
ItemStack[][] stacks = new ItemStack[ingredients.length][0];
for(int i = 0; i < ingredients.length; i++) {
stacks[i] = ingredients[i].extractForNEI().toArray(new ItemStack[0]);
}
return stacks;
}
/* in emergency situations with mixed types where AStacks coexist with NBT dependent ItemStacks, such as for fluid icons */
if(o instanceof Object[]) {
Object[] ingredients = (Object[]) o;
ItemStack[][] stacks = new ItemStack[ingredients.length][0];
for(int i = 0; i < ingredients.length; i++) {
Object ingredient = ingredients[i];
if(ingredient instanceof AStack) {
stacks[i] = ((AStack) ingredient).extractForNEI().toArray(new ItemStack[0]);
}
if(ingredient instanceof ItemStack) {
stacks[i] = new ItemStack[1];
stacks[i][0] = ((ItemStack) ingredient).copy();
}
}
return stacks;
}
return new ItemStack[0][0];
}
public static boolean doesArrayHaveIngredients(ItemStack[] array, int start, int end, AStack... ingredients) {
ItemStack[] copy = ItemStackUtil.carefulCopyArrayTruncate(array, start, end);
AStack[] req = new AStack[ingredients.length];
for(int i = 0; i < req.length; i++) {
req[i] = ingredients[i] == null ? null : ingredients[i].copy();
}
for(AStack ingredient : req) {
if(ingredient == null)
continue;
for(ItemStack input : copy) {
if(input == null)
continue;
if(ingredient.matchesRecipe(input, true)) {
int size = Math.min(input.stackSize, ingredient.stacksize);
ingredient.stacksize -= size;
input.stackSize -= size;
if(ingredient.stacksize == 0)
break;
}
}
//we have iterated over the entire input array and removed all matching entries, yet the ingredient is still not exhausted, meaning the input wasn't enough
if(ingredient.stacksize > 0)
return false;
}
return true;
}
public static boolean doesArrayHaveSpace(ItemStack[] array, int start, int end, ItemStack[] items) {
ItemStack[] copy = ItemStackUtil.carefulCopyArrayTruncate(array, start, end);
for(ItemStack item : items) {
if(item == null)
continue;
ItemStack remainder = tryAddItemToInventory(copy, item.copy());
if(remainder != null) {
return false;
}
}
return true;
}
/**
* A fixed re-implementation of the original Container.mergeItemStack that repects stack size and slot restrictions.
* @param slots
* @param stack
* @param start
* @param end
* @param reverse
* @return
*/
public static boolean mergeItemStack(List<Slot> slots, ItemStack stack, int start, int end, boolean reverse) {
boolean success = false;
int index = start;
if(reverse) {
index = end - 1;
}
Slot slot;
ItemStack current;
if(stack.isStackable()) {
while(stack.stackSize > 0 && (!reverse && index < end || reverse && index >= start)) {
slot = slots.get(index);
current = slot.getStack();
if(current != null) {
int max = Math.min(stack.getMaxStackSize(), slot.getSlotStackLimit());
int toRemove = Math.min(stack.stackSize, max);
if(slot.isItemValid(ItemStackUtil.carefulCopyWithSize(stack, toRemove)) && current.getItem() == stack.getItem() &&
(!stack.getHasSubtypes() || stack.getItemDamage() == current.getItemDamage()) && ItemStack.areItemStackTagsEqual(stack, current)) {
int currentSize = current.stackSize + stack.stackSize;
if(currentSize <= max) {
stack.stackSize = 0;
current.stackSize = currentSize;
slot.putStack(current);
success = true;
} else if(current.stackSize < max) {
stack.stackSize -= stack.getMaxStackSize() - current.stackSize;
current.stackSize = max;
slot.putStack(current);
success = true;
}
}
}
if(reverse) {
--index;
} else {
++index;
}
}
}
if(stack.stackSize > 0) {
if(reverse) {
index = end - 1;
} else {
index = start;
}
while((!reverse && index < end || reverse && index >= start) && stack.stackSize > 0) {
slot = slots.get(index);
current = slot.getStack();
if(current == null) {
int max = Math.min(stack.getMaxStackSize(), slot.getSlotStackLimit());
int toRemove = Math.min(stack.stackSize, max);
if(slot.isItemValid(ItemStackUtil.carefulCopyWithSize(stack, toRemove))) {
current = stack.splitStack(toRemove);
slot.putStack(current);
success = true;
}
}
if(reverse) {
--index;
} else {
++index;
}
}
}
return success;
}
public static int countAStackMatches(ItemStack[] inventory, AStack stack, boolean ignoreSize) {
int count = 0;
for(ItemStack itemStack : inventory) {
if(itemStack != null) {
if(stack.matchesRecipe(itemStack, true)) {
count += itemStack.stackSize;
}
}
}
return ignoreSize ? count : count / stack.stacksize;
}
public static int countAStackMatches(EntityPlayer player, AStack stack, boolean ignoreSize) {
return countAStackMatches(player.inventory.mainInventory, stack, ignoreSize);
}
public static boolean doesPlayerHaveAStack(EntityPlayer player, AStack stack, boolean shouldRemove, boolean ignoreSize) {
return doesInventoryHaveAStack(player.inventory.mainInventory, stack, shouldRemove, ignoreSize);
}
public static boolean doesInventoryHaveAStack(ItemStack[] inventory, AStack stack, boolean shouldRemove, boolean ignoreSize) {
final int totalMatches;
int totalStacks = 0;
for(ItemStack itemStack : inventory) {
if(itemStack != null && stack.matchesRecipe(itemStack, ignoreSize))
totalStacks += itemStack.stackSize;
if(!shouldRemove && ignoreSize && totalStacks > 0)
return true;
}
totalMatches = ignoreSize ? totalStacks : totalStacks / stack.stacksize;
if(shouldRemove) {
int consumedStacks = 0, requiredStacks = ignoreSize ? 1 : stack.stacksize;
for(ItemStack itemStack : inventory) {
if(consumedStacks > requiredStacks)
break;
if(itemStack != null && stack.matchesRecipe(itemStack, true)) {
final int toConsume = Math.min(itemStack.stackSize, requiredStacks - consumedStacks);
itemStack.stackSize -= toConsume;
consumedStacks += toConsume;
}
}
}
return totalMatches > 0;
}
}