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FlexibleRecipe.java
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FlexibleRecipe.java
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/**
* Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team
* http://www.mod-buildcraft.com
*
* BuildCraft is distributed under the terms of the Minecraft Mod Public
* License 1.0, or MMPL. Please check the contents of the license located in
* http://www.mod-buildcraft.com/MMPL-1.0.txt
*/
package buildcraft.core.recipes;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import net.minecraft.block.Block;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraftforge.fluids.FluidStack;
import net.minecraftforge.oredict.OreDictionary;
import buildcraft.api.recipes.CraftingResult;
import buildcraft.api.recipes.IFlexibleCrafter;
import buildcraft.api.recipes.IFlexibleRecipe;
import buildcraft.api.recipes.IFlexibleRecipeViewable;
import buildcraft.core.inventory.StackHelper;
import buildcraft.core.inventory.filters.ArrayStackFilter;
import buildcraft.core.inventory.filters.IStackFilter;
public class FlexibleRecipe<T> implements IFlexibleRecipe<T>, IFlexibleRecipeViewable {
public int energyCost = 0;
public long craftingTime = 0;
public String id;
public T output = null;
public ArrayList<ItemStack> inputItems = new ArrayList<ItemStack>();
public ArrayList<List<ItemStack>> inputItemsWithAlternatives = new ArrayList<List<ItemStack>>();
public ArrayList<FluidStack> inputFluids = new ArrayList<FluidStack>();
public FlexibleRecipe() {
}
public FlexibleRecipe(String id, T output, int iEnergyCost, long craftingTime, Object... input) {
setContents(id, output, iEnergyCost, craftingTime, input);
}
public void setContents(String iid, Object ioutput, int iEnergyCost, long iCraftingTime, Object... input) {
id = iid;
if (ioutput == null) {
throw new IllegalArgumentException("The output of FlexibleRecipe " + iid + " is null! Rejecting recipe.");
} else if (ioutput instanceof ItemStack) {
output = (T) ioutput;
} else if (ioutput instanceof Item) {
output = (T) new ItemStack((Item) ioutput);
} else if (ioutput instanceof Block) {
output = (T) new ItemStack((Block) ioutput);
} else if (ioutput instanceof FluidStack) {
output = (T) ioutput;
} else {
throw new IllegalArgumentException("An unknown object passed to recipe " + iid + " as output! (" + ioutput.getClass() + ")");
}
energyCost = iEnergyCost;
craftingTime = iCraftingTime;
for (Object i : input) {
if (i == null) {
throw new IllegalArgumentException("An input of FlexibleRecipe " + iid + " is null! Rejecting recipe.");
} else if (i instanceof ItemStack) {
inputItems.add((ItemStack) i);
} else if (i instanceof Item) {
inputItems.add(new ItemStack((Item) i));
} else if (i instanceof Block) {
inputItems.add(new ItemStack((Block) i));
} else if (i instanceof FluidStack) {
inputFluids.add((FluidStack) i);
} else if (i instanceof List) {
inputItemsWithAlternatives.add((List) i);
} else if (i instanceof String) {
inputItemsWithAlternatives.add(OreDictionary.getOres((String) i));
} else {
throw new IllegalArgumentException("An unknown object passed to recipe " + iid + " as input! (" + i.getClass() + ")");
}
}
}
@Override
public boolean canBeCrafted(IFlexibleCrafter crafter) {
return craft(crafter, true) != null;
}
@Override
public CraftingResult<T> craft(IFlexibleCrafter crafter, boolean preview) {
if (output == null) {
return null;
}
CraftingResult<T> result = new CraftingResult<T>();
result.recipe = this;
result.energyCost = energyCost;
result.craftingTime = craftingTime;
for (ItemStack requirement : inputItems) {
IStackFilter filter = new ArrayStackFilter(requirement);
int amount = requirement.stackSize;
if (consumeItems(crafter, result, filter, amount, preview) != 0) {
return null;
}
}
// Item stacks with alternatives consumption
for (List<ItemStack> requirements : inputItemsWithAlternatives) {
IStackFilter filter = new ArrayStackFilter(requirements.toArray(new ItemStack[requirements.size()]));
int amount = requirements.get(0).stackSize;
if (consumeItems(crafter, result, filter, amount, preview) != 0) {
return null;
}
}
// Fluid stacks consumption
for (FluidStack requirement : inputFluids) {
int amount = requirement.amount;
for (int tankid = 0; tankid < crafter.getCraftingFluidStackSize(); tankid++) {
FluidStack fluid = crafter.getCraftingFluidStack(tankid);
if (fluid != null && fluid.isFluidEqual(requirement)) {
int amountUsed = 0;
if (fluid.amount > amount) {
amountUsed = amount;
if (!preview) {
crafter.decrCraftingFluidStack(tankid, amount);
}
amount = 0;
} else {
amountUsed = fluid.amount;
if (!preview) {
crafter.decrCraftingFluidStack(tankid, fluid.amount);
}
amount -= fluid.amount;
}
result.usedFluids.add(new FluidStack(requirement.fluidID, amountUsed));
}
if (amount == 0) {
break;
}
}
if (amount != 0) {
return null;
}
}
// Output generation
result.crafted = output;
return result;
}
@Override
public String getId() {
return id;
}
private int consumeItems(IFlexibleCrafter crafter, CraftingResult<T> result, IStackFilter filter,
int amount, boolean preview) {
int expected = amount;
for (int slotid = 0; slotid < crafter.getCraftingItemStackSize(); ++slotid) {
ItemStack stack = crafter.getCraftingItemStack(slotid);
if (stack != null && filter.matches(stack)) {
ItemStack removed = null;
if (stack.stackSize >= expected) {
if (preview) {
removed = stack.copy();
removed.stackSize = expected;
} else {
removed = crafter.decrCraftingItemStack(slotid, expected);
}
expected = 0;
} else {
if (preview) {
removed = stack.copy();
} else {
removed = crafter.decrCraftingItemStack(slotid, stack.stackSize);
}
expected -= removed.stackSize;
}
result.usedItems.add(removed);
}
if (expected == 0) {
return 0;
}
}
return amount;
}
@Override
public CraftingResult<T> canCraft(ItemStack expectedOutput) {
if (output instanceof ItemStack
&& StackHelper.isMatchingItem(expectedOutput, (ItemStack) output)) {
CraftingResult<T> result = new CraftingResult<T>();
result.recipe = this;
result.usedFluids = inputFluids;
result.usedItems = inputItems;
result.crafted = output;
return result;
} else {
return null;
}
}
@Override
public Object getOutput() {
return output;
}
@Override
public Collection<Object> getInputs() {
ArrayList<Object> inputs = new ArrayList<Object>();
inputs.addAll(inputItems);
inputs.addAll(inputItemsWithAlternatives);
inputs.addAll(inputFluids);
return inputs;
}
@Override
public int getEnergyCost() {
return energyCost;
}
@Override
public long getCraftingTime() {
return craftingTime;
}
}