/
RecipeGuiLogic.java
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/
RecipeGuiLogic.java
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package mezz.jei.gui.recipes;
import com.google.common.collect.ImmutableList;
import mezz.jei.api.ingredients.IIngredientHelper;
import mezz.jei.api.recipe.IFocus;
import mezz.jei.api.recipe.IRecipeManager;
import mezz.jei.api.recipe.category.IRecipeCategory;
import mezz.jei.api.recipe.transfer.IRecipeTransferHandler;
import mezz.jei.gui.Focus;
import mezz.jei.gui.ingredients.IngredientLookupState;
import mezz.jei.ingredients.IngredientManager;
import mezz.jei.recipes.RecipeTransferManager;
import mezz.jei.util.MathUtil;
import net.minecraft.client.Minecraft;
import net.minecraft.client.entity.player.ClientPlayerEntity;
import net.minecraft.inventory.container.Container;
import net.minecraft.util.ResourceLocation;
import javax.annotation.Nonnegative;
import java.util.ArrayList;
import java.util.List;
import java.util.Stack;
public class RecipeGuiLogic implements IRecipeGuiLogic {
private final IRecipeManager recipeManager;
private final RecipeTransferManager recipeTransferManager;
private final IRecipeLogicStateListener stateListener;
private final IngredientManager ingredientManager;
private boolean initialState = true;
private IngredientLookupState state;
private final Stack<IngredientLookupState> history = new Stack<>();
public RecipeGuiLogic(IRecipeManager recipeManager, RecipeTransferManager recipeTransferManager, IRecipeLogicStateListener stateListener, IngredientManager ingredientManager) {
this.recipeManager = recipeManager;
this.recipeTransferManager = recipeTransferManager;
this.stateListener = stateListener;
this.ingredientManager = ingredientManager;
List<IRecipeCategory<?>> recipeCategories = recipeManager.getRecipeCategories();
this.state = new IngredientLookupState(recipeManager, null, recipeCategories, 0, 0);
}
@Override
public <V> boolean setFocus(Focus<V> focus) {
IIngredientHelper<V> ingredientHelper = ingredientManager.getIngredientHelper(focus.getValue());
IFocus<?> translatedFocus = ingredientHelper.translateFocus(focus, Focus::new);
Focus<?> checkedTranslatedFocus = Focus.check(translatedFocus);
final List<IRecipeCategory<?>> recipeCategories = recipeManager.getRecipeCategories(translatedFocus);
if (recipeCategories.isEmpty()) {
return false;
}
if (!initialState) {
history.push(this.state);
}
int recipeCategoryIndex = getRecipeCategoryIndexToShowFirst(recipeCategories);
IngredientLookupState state = new IngredientLookupState(recipeManager, checkedTranslatedFocus, recipeCategories, recipeCategoryIndex, 0);
setState(state);
return true;
}
@Nonnegative
private int getRecipeCategoryIndexToShowFirst(List<IRecipeCategory<?>> recipeCategories) {
Minecraft minecraft = Minecraft.getInstance();
ClientPlayerEntity player = minecraft.player;
if (player != null) {
Container openContainer = player.openContainer;
if (openContainer != null) {
for (int i = 0; i < recipeCategories.size(); i++) {
IRecipeCategory<?> recipeCategory = recipeCategories.get(i);
IRecipeTransferHandler<?> recipeTransferHandler = recipeTransferManager.getRecipeTransferHandler(openContainer, recipeCategory);
if (recipeTransferHandler != null) {
return i;
}
}
}
}
return 0;
}
@Override
public boolean back() {
if (history.empty()) {
return false;
}
final IngredientLookupState state = history.pop();
setState(state);
return true;
}
@Override
public void clearHistory() {
while (!history.empty()) {
history.pop();
}
}
private void setState(IngredientLookupState state) {
this.state = state;
this.initialState = false;
stateListener.onStateChange();
}
@Override
public boolean setCategoryFocus() {
IRecipeCategory<?> recipeCategory = getSelectedRecipeCategory();
if (!initialState) {
history.push(this.state);
}
final List<IRecipeCategory<?>> recipeCategories = recipeManager.getRecipeCategories();
final int recipeCategoryIndex = recipeCategories.indexOf(recipeCategory);
final IngredientLookupState state = new IngredientLookupState(recipeManager, null, recipeCategories, recipeCategoryIndex, 0);
setState(state);
return true;
}
@Override
public boolean setCategoryFocus(List<ResourceLocation> recipeCategoryUids) {
List<IRecipeCategory<?>> recipeCategories = recipeManager.getRecipeCategories(recipeCategoryUids);
if (recipeCategories.isEmpty()) {
return false;
}
if (!initialState) {
history.push(this.state);
}
final IngredientLookupState state = new IngredientLookupState(recipeManager, null, recipeCategories, 0, 0);
setState(state);
return true;
}
@Override
public List<Object> getRecipeCatalysts() {
IRecipeCategory<?> category = getSelectedRecipeCategory();
return getRecipeCatalysts(category);
}
@Override
public List<Object> getRecipeCatalysts(IRecipeCategory<?> recipeCategory) {
return recipeManager.getRecipeCatalysts(recipeCategory);
}
@Override
public void setRecipesPerPage(int recipesPerPage) {
if (state.getRecipesPerPage() != recipesPerPage) {
state.setRecipesPerPage(recipesPerPage);
}
}
@Override
public IRecipeCategory<?> getSelectedRecipeCategory() {
return state.getFocusedRecipes().getRecipeCategory();
}
@Override
public ImmutableList<IRecipeCategory<?>> getRecipeCategories() {
return state.getRecipeCategories();
}
@Override
public List<RecipeLayout<?>> getRecipeLayouts(final int posX, final int posY, final int spacingY) {
return getRecipeLayouts(this.state.getFocusedRecipes(), posX, posY, spacingY);
}
private <T> List<RecipeLayout<?>> getRecipeLayouts(FocusedRecipes<T> selectedRecipes, final int posX, final int posY, final int spacingY) {
List<RecipeLayout<?>> recipeLayouts = new ArrayList<>();
IRecipeCategory<T> recipeCategory = selectedRecipes.getRecipeCategory();
List<T> recipes = selectedRecipes.getRecipes();
int recipeWidgetIndex = 0;
int recipePosY = posY;
final int firstRecipeIndex = state.getRecipeIndex() - (state.getRecipeIndex() % state.getRecipesPerPage());
for (int recipeIndex = firstRecipeIndex; recipeIndex < recipes.size() && recipeLayouts.size() < state.getRecipesPerPage(); recipeIndex++) {
T recipe = recipes.get(recipeIndex);
RecipeLayout<T> recipeLayout = RecipeLayout.create(recipeWidgetIndex++, recipeCategory, recipe, state.getFocus(), posX, recipePosY);
if (recipeLayout == null) {
recipes.remove(recipeIndex);
recipeManager.hideRecipe(recipe, recipeCategory.getUid());
recipeIndex--;
} else {
recipeLayouts.add(recipeLayout);
recipePosY += spacingY;
}
}
return recipeLayouts;
}
@Override
public void nextRecipeCategory() {
final int recipesTypesCount = state.getRecipeCategories().size();
state.setRecipeCategoryIndex((state.getRecipeCategoryIndex() + 1) % recipesTypesCount);
stateListener.onStateChange();
}
@Override
public void setRecipeCategory(IRecipeCategory<?> category) {
int index = state.getRecipeCategories().indexOf(category);
if (index < 0) {
return;
}
state.setRecipeCategoryIndex(index);
stateListener.onStateChange();
}
@Override
public boolean hasMultiplePages() {
List<?> recipes = state.getFocusedRecipes().getRecipes();
return recipes.size() > state.getRecipesPerPage();
}
@Override
public void previousRecipeCategory() {
final int recipesTypesCount = state.getRecipeCategories().size();
state.setRecipeCategoryIndex((recipesTypesCount + state.getRecipeCategoryIndex() - 1) % recipesTypesCount);
stateListener.onStateChange();
}
@Override
public void nextPage() {
int recipeCount = recipeCount();
state.setRecipeIndex(state.getRecipeIndex() + state.getRecipesPerPage());
if (state.getRecipeIndex() >= recipeCount) {
state.setRecipeIndex(0);
}
stateListener.onStateChange();
}
@Override
public void previousPage() {
state.setRecipeIndex(state.getRecipeIndex() - state.getRecipesPerPage());
if (state.getRecipeIndex() < 0) {
final int pageCount = pageCount(state.getRecipesPerPage());
state.setRecipeIndex((pageCount - 1) * state.getRecipesPerPage());
}
stateListener.onStateChange();
}
private int pageCount(int recipesPerPage) {
int recipeCount = recipeCount();
if (recipeCount <= 1) {
return 1;
}
return MathUtil.divideCeil(recipeCount, recipesPerPage);
}
private int recipeCount() {
List<?> recipes = state.getFocusedRecipes().getRecipes();
return recipes.size();
}
@Override
public String getPageString() {
int pageIndex = MathUtil.divideCeil(state.getRecipeIndex() + 1, state.getRecipesPerPage());
return pageIndex + "/" + pageCount(state.getRecipesPerPage());
}
@Override
public boolean hasMultipleCategories() {
return state.getRecipeCategories().size() > 1;
}
@Override
public boolean hasAllCategories() {
return state.getRecipeCategories().size() == recipeManager.getRecipeCategories().size();
}
}