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package gregtech.api.recipe;
import static gregtech.api.util.GTRecipeMapUtil.buildOrEmpty;
import java.util.function.Function;
import javax.annotation.Nullable;
import javax.annotation.ParametersAreNonnullByDefault;
import com.google.common.collect.Iterables;
import gregtech.api.util.GTRecipe;
import gregtech.api.util.GTRecipeBuilder;
import gregtech.api.util.MethodsReturnNonnullByDefault;
/**
* Builder class for {@link RecipeMapBackendProperties}.
*/
@SuppressWarnings({ "unused", "UnusedReturnValue" })
@ParametersAreNonnullByDefault
@MethodsReturnNonnullByDefault
public final class RecipeMapBackendPropertiesBuilder {
private int minItemInputs;
private int minFluidInputs;
private boolean specialSlotSensitive;
private boolean disableOptimize;
private Function<? super GTRecipeBuilder, ? extends Iterable<? extends GTRecipe>> recipeEmitter = this::defaultBuildRecipe;
@Nullable
private Function<? super GTRecipe, ? extends GTRecipe> recipeTransformer;
RecipeMapBackendPropertiesBuilder() {}
RecipeMapBackendProperties build() {
return new RecipeMapBackendProperties(
minItemInputs,
minFluidInputs,
specialSlotSensitive,
disableOptimize,
recipeEmitter,
recipeTransformer);
}
public RecipeMapBackendPropertiesBuilder minItemInputs(int minItemInputs) {
this.minItemInputs = minItemInputs;
return this;
}
public RecipeMapBackendPropertiesBuilder minFluidInputs(int minFluidInputs) {
this.minFluidInputs = minFluidInputs;
return this;
}
public RecipeMapBackendPropertiesBuilder specialSlotSensitive() {
this.specialSlotSensitive = true;
return this;
}
public RecipeMapBackendPropertiesBuilder disableOptimize() {
this.disableOptimize = true;
return this;
}
public RecipeMapBackendPropertiesBuilder recipeEmitter(
Function<? super GTRecipeBuilder, ? extends Iterable<? extends GTRecipe>> recipeEmitter) {
this.recipeEmitter = recipeEmitter;
return this;
}
public RecipeMapBackendPropertiesBuilder combineRecipeEmitter(
Function<? super GTRecipeBuilder, ? extends Iterable<? extends GTRecipe>> func) {
// move recipeEmitter to local variable, so lambda capture the function itself instead of this
Function<? super GTRecipeBuilder, ? extends Iterable<? extends GTRecipe>> cur = this.recipeEmitter;
return recipeEmitter(b -> Iterables.concat(cur.apply(b), func.apply(b)));
}
public RecipeMapBackendPropertiesBuilder recipeTransformer(
Function<? super GTRecipe, ? extends GTRecipe> recipeTransformer) {
this.recipeTransformer = recipeTransformer;
return this;
}
public RecipeMapBackendPropertiesBuilder chainRecipeTransformer(
Function<? super GTRecipe, ? extends GTRecipe> func) {
this.recipeTransformer = this.recipeTransformer == null ? func : this.recipeTransformer.andThen(func);
return this;
}
private Iterable<? extends GTRecipe> defaultBuildRecipe(GTRecipeBuilder builder) {
// TODO sensible validation
GTRecipeBuilder b = builder;
if (disableOptimize && builder.isOptimize()) {
b = copy(builder, b).noOptimize();
}
return buildOrEmpty(b);
}
private static GTRecipeBuilder copy(GTRecipeBuilder original, GTRecipeBuilder b) {
return b == original ? b.copy() : b;
}
}
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