Add ClientTooltipComponentRegistry for custom tooltips

common/src/main/java/dev/architectury/registry/client/gui/ClientTooltipComponentRegistry.java

@@ -0,0 +1,50 @@
+/*
+ * This file is part of architectury.
+ * Copyright (C) 2020, 2021, 2022 architectury
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+package dev.architectury.registry.client.gui;
+
+import dev.architectury.injectables.annotations.ExpectPlatform;
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.minecraft.client.gui.screens.inventory.tooltip.ClientTooltipComponent;
+import net.minecraft.world.inventory.tooltip.TooltipComponent;
+
+import java.util.function.Function;
+
+/**
+ * Registry for {@link ClientTooltipComponent} factories
+ */
+@Environment(EnvType.CLIENT)
+public final class ClientTooltipComponentRegistry {
+    private ClientTooltipComponentRegistry() {
+    }
+
+    /**
+     * Allows users to register custom {@link ClientTooltipComponent}
+     * factories for their {@link TooltipComponent} types.
+     *
+     * @param clazz   class of {@link T}
+     * @param factory factory to create instances of {@link ClientTooltipComponent} from {@link T}
+     * @param <T>     the type of {@link TooltipComponent} factory
+     */
+    @ExpectPlatform
+    public static <T extends TooltipComponent> void register(Class<T> clazz, Function<? super T, ? extends ClientTooltipComponent> factory) {
+        throw new AssertionError();
+    }
+}

fabric/src/main/java/dev/architectury/registry/client/gui/fabric/ClientTooltipComponentRegistryImpl.java

@@ -0,0 +1,42 @@
+/*
+ * This file is part of architectury.
+ * Copyright (C) 2020, 2021, 2022 architectury
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+package dev.architectury.registry.client.gui.fabric;
+
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.fabricmc.fabric.api.client.rendering.v1.TooltipComponentCallback;
+import net.minecraft.client.gui.screens.inventory.tooltip.ClientTooltipComponent;
+import net.minecraft.world.inventory.tooltip.TooltipComponent;
+import org.jetbrains.annotations.ApiStatus;
+
+import java.util.function.Function;
+
+@Environment(EnvType.CLIENT)
+@ApiStatus.Internal
+public class ClientTooltipComponentRegistryImpl {
+    public static <T extends TooltipComponent> void register(Class<T> clazz, Function<? super T, ? extends ClientTooltipComponent> factory) {
+        TooltipComponentCallback.EVENT.register((tooltipComponent) -> {
+            if (clazz.isInstance(tooltipComponent)) {
+                return factory.apply(clazz.cast(tooltipComponent));
+            }
+            return null;
+        });
+    }
+}

forge/src/main/java/dev/architectury/registry/client/gui/forge/ClientTooltipComponentRegistryImpl.java

@@ -0,0 +1,69 @@
+/*
+ * This file is part of architectury.
+ * Copyright (C) 2020, 2021, 2022 architectury
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+package dev.architectury.registry.client.gui.forge;
+
+import dev.architectury.platform.forge.EventBuses;
+import net.minecraft.client.gui.screens.inventory.tooltip.ClientTooltipComponent;
+import net.minecraft.world.inventory.tooltip.TooltipComponent;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+import net.minecraftforge.client.event.RegisterClientTooltipComponentFactoriesEvent;
+import net.minecraftforge.eventbus.api.EventPriority;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Consumer;
+import java.util.function.Function;
+
+@OnlyIn(Dist.CLIENT)
+@ApiStatus.Internal
+public class ClientTooltipComponentRegistryImpl {
+    @Nullable
+    private static List<Entry<?>> entries = new ArrayList<>();
+
+    static {
+        EventBuses.onRegistered("architectury", bus -> {
+            bus.<RegisterClientTooltipComponentFactoriesEvent>addListener(EventPriority.HIGH, event -> {
+                if (entries != null) {
+                    for (Entry<?> entry : entries) {
+                        Entry<TooltipComponent> casted = (Entry<TooltipComponent>) entry;
+                        event.register(casted.clazz(), casted.factory());
+                    }
+
+                    entries = null;
+                }
+            });
+        });
+    }
+
+    public static <T extends TooltipComponent> void register(Class<T> clazz, Function<? super T, ? extends ClientTooltipComponent> factory) {
+        if (entries == null) {
+            throw new IllegalStateException("Cannot register ClientTooltipComponent factory when factories are already aggregated!");
+        }
+        entries.add(new Entry<>(clazz, factory));
+    }
+
+    public record Entry<T extends TooltipComponent>(
+            Class<T> clazz, Function<? super T, ? extends ClientTooltipComponent> factory
+    ) {
+    }
+}

testmod-common/src/main/java/dev/architectury/test/TestMod.java

@@ -20,6 +20,7 @@
 package dev.architectury.test;
 
 import dev.architectury.event.events.client.ClientLifecycleEvent;
+import dev.architectury.registry.client.gui.ClientTooltipComponentRegistry;
 import dev.architectury.registry.client.level.entity.EntityRendererRegistry;
 import dev.architectury.test.debug.ConsoleMessageSink;
 import dev.architectury.test.debug.MessageSink;
@@ -33,6 +34,7 @@
 import dev.architectury.test.particle.TestParticles;
 import dev.architectury.test.registry.TestRegistries;
 import dev.architectury.test.registry.client.TestKeybinds;
+import dev.architectury.test.registry.objects.ItemWithTooltip;
 import dev.architectury.test.tags.TestTags;
 import dev.architectury.test.trade.TestTrades;
 import dev.architectury.test.worldgen.TestWorldGeneration;
@@ -72,6 +74,7 @@ public static void initializeClient() {
             TestModNet.initializeClient();
             EntityRendererRegistry.register(TestRegistries.TEST_ENTITY, CowRenderer::new);
             EntityRendererRegistry.register(TestRegistries.TEST_ENTITY_2, CowRenderer::new);
+            ClientTooltipComponentRegistry.register(ItemWithTooltip.MyTooltipComponent.class, ItemWithTooltip.MyClientTooltipComponent::new);
         }
     }
 }

testmod-common/src/main/java/dev/architectury/test/registry/TestRegistries.java

@@ -34,6 +34,7 @@
 import dev.architectury.test.entity.TestEntity;
 import dev.architectury.test.recipes.TestRecipeSerializer;
 import dev.architectury.test.registry.objects.EquippableTickingItem;
+import dev.architectury.test.registry.objects.ItemWithTooltip;
 import dev.architectury.test.tab.TestCreativeTabs;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Registry;
@@ -127,6 +128,9 @@ public TestInt(int value) {
         }
     });
 
+    public static final RegistrySupplier<ItemWithTooltip> TEST_TOOLTIP = ITEMS.register("test_tooltip",
+            () -> new ItemWithTooltip(new Item.Properties().tab(TestCreativeTabs.TEST_TAB)));
+
     public static final RegistrySupplier<Block> TEST_BLOCK = BLOCKS.register("test_block", () ->
             new Block(BlockBehaviour.Properties.copy(Blocks.STONE)));
     public static final RegistrySupplier<Block> COLLISION_BLOCK = BLOCKS.register("collision_block", () ->

testmod-common/src/main/java/dev/architectury/test/registry/objects/ItemWithTooltip.java

@@ -0,0 +1,69 @@
+/*
+ * This file is part of architectury.
+ * Copyright (C) 2020, 2021, 2022 architectury
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+package dev.architectury.test.registry.objects;
+
+import com.mojang.blaze3d.vertex.PoseStack;
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.minecraft.client.gui.Font;
+import net.minecraft.client.gui.screens.inventory.tooltip.ClientTooltipComponent;
+import net.minecraft.client.renderer.entity.ItemRenderer;
+import net.minecraft.world.inventory.tooltip.TooltipComponent;
+import net.minecraft.world.item.Item;
+import net.minecraft.world.item.ItemStack;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Optional;
+
+public class ItemWithTooltip extends Item {
+    public ItemWithTooltip(Properties properties) {
+        super(properties);
+    }
+
+    @Override
+    public @NotNull Optional<TooltipComponent> getTooltipImage(ItemStack itemStack) {
+        return Optional.of(new MyTooltipComponent(itemStack.getCount()));
+    }
+
+    public record MyTooltipComponent(int count) implements TooltipComponent {
+
+    }
+
+    @Environment(EnvType.CLIENT)
+    public record MyClientTooltipComponent(MyTooltipComponent component) implements ClientTooltipComponent {
+        @Override
+        public int getHeight() {
+            return 100;
+        }
+
+        @Override
+        public int getWidth(Font font) {
+            return 100;
+        }
+
+        @Override
+        public void renderImage(Font font, int x, int y, PoseStack poseStack, ItemRenderer itemRenderer, int blitOffset) {
+            poseStack.pushPose();
+            poseStack.translate(0, 0, blitOffset);
+            font.draw(poseStack, "Count: " + component.count, x + getWidth(font) / 2, y + (getHeight() - font.lineHeight) / 2, 0xFF00FF00);
+            poseStack.popPose();
+        }
+    }
+}