/
RecipeMap.java
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/
RecipeMap.java
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package mezz.jei.util;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.HashBasedTable;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.common.collect.Ordering;
import com.google.common.collect.Table;
import javax.annotation.Nonnull;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import net.minecraft.item.ItemStack;
import net.minecraftforge.fluids.Fluid;
import net.minecraftforge.fluids.FluidStack;
import mezz.jei.api.recipe.IRecipeCategory;
/**
* A RecipeMap efficiently links Recipes, IRecipeCategory, and ItemStacks.
*/
public class RecipeMap {
@Nonnull
private final Table<IRecipeCategory, String, List<Object>> recipeTable = HashBasedTable.create();
@Nonnull
private final ArrayListMultimap<String, IRecipeCategory> categoryMap = ArrayListMultimap.create();
@Nonnull
private final Ordering<IRecipeCategory> recipeCategoryOrdering;
public RecipeMap(final RecipeCategoryComparator recipeCategoryComparator) {
this.recipeCategoryOrdering = Ordering.from(recipeCategoryComparator);
}
@Nonnull
public ImmutableList<IRecipeCategory> getRecipeCategories(@Nonnull ItemStack itemStack) {
Set<IRecipeCategory> recipeCategories = new HashSet<>();
for (String stackKey : StackUtil.getUniqueIdentifiersWithWildcard(itemStack)) {
recipeCategories.addAll(categoryMap.get(stackKey));
}
return recipeCategoryOrdering.immutableSortedCopy(recipeCategories);
}
@Nonnull
public ImmutableList<IRecipeCategory> getRecipeCategories(@Nonnull Fluid fluid) {
String key = getKeyForFluid(fluid);
return recipeCategoryOrdering.immutableSortedCopy(categoryMap.get(key));
}
private void addRecipeCategory(@Nonnull IRecipeCategory recipeCategory, @Nonnull ItemStack itemStack) {
String stackKey = StackUtil.getUniqueIdentifierForStack(itemStack);
List<IRecipeCategory> recipeCategories = categoryMap.get(stackKey);
if (!recipeCategories.contains(recipeCategory)) {
recipeCategories.add(recipeCategory);
}
}
private void addRecipeCategory(@Nonnull IRecipeCategory recipeCategory, @Nonnull Fluid fluid) {
String key = getKeyForFluid(fluid);
List<IRecipeCategory> recipeCategories = categoryMap.get(key);
if (!recipeCategories.contains(recipeCategory)) {
recipeCategories.add(recipeCategory);
}
}
@Nonnull
private String getKeyForFluid(Fluid fluid) {
return "fluid:" + fluid.getName();
}
@Nonnull
public ImmutableList<Object> getRecipes(@Nonnull IRecipeCategory recipeCategory, @Nonnull ItemStack stack) {
Map<String, List<Object>> recipesForType = recipeTable.row(recipeCategory);
ImmutableList.Builder<Object> listBuilder = ImmutableList.builder();
for (String name : StackUtil.getUniqueIdentifiersWithWildcard(stack)) {
List<Object> recipes = recipesForType.get(name);
if (recipes != null) {
listBuilder.addAll(recipes);
}
}
return listBuilder.build();
}
@Nonnull
public List<Object> getRecipes(@Nonnull IRecipeCategory recipeCategory, @Nonnull Fluid fluid) {
Map<String, List<Object>> recipesForType = recipeTable.row(recipeCategory);
String name = getKeyForFluid(fluid);
List<Object> recipes = recipesForType.get(name);
if (recipes == null) {
return ImmutableList.of();
}
return Collections.unmodifiableList(recipes);
}
public void addRecipe(@Nonnull Object recipe, @Nonnull IRecipeCategory recipeCategory, @Nonnull Iterable<ItemStack> itemStacks, @Nonnull Iterable<FluidStack> fluidStacks) {
Map<String, List<Object>> recipesForType = recipeTable.row(recipeCategory);
for (ItemStack itemStack : itemStacks) {
if (itemStack == null) {
continue;
}
String stackKey = StackUtil.getUniqueIdentifierForStack(itemStack);
List<Object> recipes = recipesForType.get(stackKey);
if (recipes == null) {
recipes = Lists.newArrayList();
recipesForType.put(stackKey, recipes);
}
recipes.add(recipe);
addRecipeCategory(recipeCategory, itemStack);
}
for (FluidStack fluidStack : fluidStacks) {
if (fluidStack == null) {
continue;
}
Fluid fluid = fluidStack.getFluid();
if (fluid == null) {
continue;
}
String fluidKey = getKeyForFluid(fluid);
List<Object> recipes = recipesForType.get(fluidKey);
if (recipes == null) {
recipes = Lists.newArrayList();
recipesForType.put(fluidKey, recipes);
}
recipes.add(recipe);
addRecipeCategory(recipeCategory, fluid);
}
}
}