1 files changed, 141 insertions, 0 deletions
diff --git a/runtime/src/main/java/me/shedaniel/rei/gui/AbstractDisplayViewingScreen.java b/runtime/src/main/java/me/shedaniel/rei/gui/AbstractDisplayViewingScreen.java
new file mode 100644
index 000000000..bfa985be7
--- /dev/null
+++ b/runtime/src/main/java/me/shedaniel/rei/gui/AbstractDisplayViewingScreen.java
@@ -0,0 +1,141 @@
+/*
+ * This file is licensed under the MIT License, part of Roughly Enough Items.
+ * Copyright (c) 2018, 2019, 2020 shedaniel
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package me.shedaniel.rei.gui;
+
+import com.google.common.collect.Lists;
+import me.shedaniel.math.Rectangle;
+import me.shedaniel.rei.api.gui.widgets.Slot;
+import me.shedaniel.rei.api.gui.widgets.Widget;
+import me.shedaniel.rei.api.ingredient.EntryStack;
+import me.shedaniel.rei.api.registry.display.Display;
+import me.shedaniel.rei.api.registry.display.DisplayCategory;
+import me.shedaniel.rei.api.util.CollectionUtils;
+import me.shedaniel.rei.gui.widget.EntryWidget;
+import me.shedaniel.rei.impl.ClientHelperImpl;
+import net.minecraft.client.gui.chat.NarratorChatListener;
+import net.minecraft.client.gui.components.events.ContainerEventHandler;
+import net.minecraft.client.gui.components.events.GuiEventListener;
+import net.minecraft.client.gui.screens.Screen;
+import net.minecraft.resources.ResourceLocation;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+import java.util.Map;
+
+public abstract class AbstractDisplayViewingScreen extends Screen implements RecipeScreen {
+    protected final Map<DisplayCategory<?>, List<Display>> categoryMap;
+    protected final List<DisplayCategory<?>> categories;
+    protected EntryStack<?> ingredientStackToNotice = EntryStack.empty();
+    protected EntryStack<?> resultStackToNotice = EntryStack.empty();
+    protected int selectedCategoryIndex = 0;
+    protected int tabsPerPage;
+    protected Rectangle bounds;
+    
+    protected AbstractDisplayViewingScreen(Map<DisplayCategory<?>, List<Display>> categoryMap, @Nullable ResourceLocation category, int tabsPerPage) {
+        super(NarratorChatListener.NO_TITLE);
+        this.categoryMap = categoryMap;
+        this.categories = Lists.newArrayList(categoryMap.keySet());
+        this.tabsPerPage = tabsPerPage;
+        if (category != null) {
+            for (int i = 0; i < categories.size(); i++) {
+                if (categories.get(i).getIdentifier().equals(category)) {
+                    this.selectedCategoryIndex = i;
+                    break;
+                }
+            }
+        }
+    }
+    
+    @Override
+    public Rectangle getBounds() {
+        return bounds;
+    }
+    
+    @Override
+    public void addIngredientStackToNotice(EntryStack<?> stack) {
+        this.ingredientStackToNotice = stack;
+    }
+    
+    @Override
+    public void addResultStackToNotice(EntryStack<?> stack) {
+        this.resultStackToNotice = stack;
+    }
+    
+    @Override
+    public boolean isPauseScreen() {
+        return false;
+    }
+    
+    @Override
+    public ResourceLocation getCurrentCategory() {
+        return getSelectedCategory().getIdentifier();
+    }
+    
+    public DisplayCategory<Display> getSelectedCategory() {
+        return (DisplayCategory<Display>) categories.get(selectedCategoryIndex);
+    }
+    
+    protected void previousCategory() {
+        int currentCategoryIndex = selectedCategoryIndex;
+        currentCategoryIndex--;
+        if (currentCategoryIndex < 0)
+            currentCategoryIndex = categories.size() - 1;
+        ClientHelperImpl.getInstance().openRecipeViewingScreen(categoryMap, categories.get(currentCategoryIndex).getIdentifier(), ingredientStackToNotice, resultStackToNotice);
+    }
+    
+    protected void nextCategory() {
+        int currentCategoryIndex = selectedCategoryIndex;
+        currentCategoryIndex++;
+        if (currentCategoryIndex >= categories.size())
+            currentCategoryIndex = 0;
+        ClientHelperImpl.getInstance().openRecipeViewingScreen(categoryMap, categories.get(currentCategoryIndex).getIdentifier(), ingredientStackToNotice, resultStackToNotice);
+    }
+    
+    protected void transformIngredientNotice(List<Widget> setupDisplay, EntryStack<?> noticeStack) {
+        transformNotice(Slot.INPUT, setupDisplay, noticeStack);
+    }
+    
+    protected void transformResultNotice(List<Widget> setupDisplay, EntryStack<?> noticeStack) {
+        transformNotice(Slot.OUTPUT, setupDisplay, noticeStack);
+    }
+    
+    private static void transformNotice(int marker, List<? extends GuiEventListener> setupDisplay, EntryStack<?> noticeStack) {
+        if (noticeStack.isEmpty())
+            return;
+        for (GuiEventListener widget : setupDisplay) {
+            if (widget instanceof EntryWidget) {
+                EntryWidget entry = (EntryWidget) widget;
+                if (entry.getNoticeMark() == marker && entry.getEntries().size() > 1) {
+                    EntryStack<?> stack = CollectionUtils.findFirstOrNullEqualsExact(entry.getEntries(), noticeStack);
+                    if (stack != null) {
+                        entry.clearStacks();
+                        entry.entry(stack);
+                    }
+                }
+            } else if (widget instanceof ContainerEventHandler) {
+                transformNotice(marker, ((ContainerEventHandler) widget).children(), noticeStack);
+            }
+        }
+    }
+}