添加JEI的背景

src/main/java/com/atsuishio/superbwarfare/compat/jei/GunPerksCategory.java

@@ -8,12 +8,16 @@ import com.atsuishio.superbwarfare.perk.Perk;
 import mezz.jei.api.constants.VanillaTypes;
 import mezz.jei.api.gui.builder.IRecipeLayoutBuilder;
 import mezz.jei.api.gui.drawable.IDrawable;
+import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
 import mezz.jei.api.helpers.IGuiHelper;
 import mezz.jei.api.recipe.IFocusGroup;
 import mezz.jei.api.recipe.RecipeIngredientRole;
 import mezz.jei.api.recipe.RecipeType;
 import mezz.jei.api.recipe.category.IRecipeCategory;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.GuiGraphics;
 import net.minecraft.network.chat.Component;
+import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.ItemStack;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -21,17 +25,34 @@ import org.jetbrains.annotations.Nullable;
 import java.util.ArrayList;
 import java.util.List;
 
-// TODO 来个正常一点的背景
 public class GunPerksCategory implements IRecipeCategory<ItemStack> {
 
+    public static final ResourceLocation TEXTURE = Mod.loc("textures/gui/jei_gun_perks.png");
     public static final RecipeType<ItemStack> TYPE = RecipeType.create(Mod.MODID, "gun_perks", ItemStack.class);
 
+    private final IDrawable background;
     private final IDrawable icon;
 
     public GunPerksCategory(IGuiHelper helper) {
+        this.background = helper.drawableBuilder(TEXTURE, 0, 0, 144, 128)
+                .setTextureSize(144, 128)
+                .build();
         this.icon = helper.createDrawableIngredient(VanillaTypes.ITEM_STACK, new ItemStack(ModItems.AP_BULLET.get()));
     }
 
+    @Override
+    public void draw(ItemStack recipe, IRecipeSlotsView recipeSlotsView, GuiGraphics guiGraphics, double mouseX, double mouseY) {
+        var name = recipe.getHoverName();
+        guiGraphics.drawString(Minecraft.getInstance().font, name,
+                80 - Minecraft.getInstance().font.width(name) / 2, 5, 5592405, false);
+    }
+
+    @SuppressWarnings("removal")
+    @Override
+    public @Nullable IDrawable getBackground() {
+        return this.background;
+    }
+
     @Override
     public @NotNull RecipeType<ItemStack> getRecipeType() {
         return TYPE;
@@ -49,7 +70,7 @@ public class GunPerksCategory implements IRecipeCategory<ItemStack> {
 
     @Override
     public int getWidth() {
-        return 140;
+        return 144;
     }
 
     @Override
@@ -69,11 +90,11 @@ public class GunPerksCategory implements IRecipeCategory<ItemStack> {
             return (aIndex == bIndex) ? a.name.compareTo(b.name) : aIndex - bIndex;
         });
 
-        builder.addSlot(RecipeIngredientRole.INPUT, 5, 0).addItemStack(stack);
+        builder.addSlot(RecipeIngredientRole.INPUT, 1, 1).addItemStack(stack);
 
         for (int i = 0; i < sortedPerks.size(); i++) {
             var perkItem = sortedPerks.get(i).getItem().get();
-            builder.addSlot(RecipeIngredientRole.INPUT, 5 + (i % 7) * 18, 20 + i / 7 * 18).addItemStack(perkItem.getDefaultInstance());
+            builder.addSlot(RecipeIngredientRole.INPUT, 1 + (i % 8) * 18, 21 + i / 8 * 18).addItemStack(perkItem.getDefaultInstance());
         }
     }