optional item/block tags display in tooltips

src/data/kotlin/ru/dbotthepony/mc/otm/datagen/lang/English.kt

@@ -865,6 +865,11 @@ private fun gui(provider: MatteryLanguageProvider) {
 		gui("slot_filter.hint", "To remove slot filter press Ctrl + LMB")
 
 		gui("tooltip.enum.active", "> %s")
+
+		gui("debug.tags.help", "Hold Shift to display tags")
+		gui("debug.tags.item.title", "Item tags:")
+		gui("debug.tags.block.title", "Block tags:")
+		gui("debug.tags.tag.entry", "  - %s")
 	}
 }
 

src/data/kotlin/ru/dbotthepony/mc/otm/datagen/lang/Russian.kt

@@ -862,6 +862,10 @@ private fun gui(provider: MatteryLanguageProvider) {
 		gui("slot_filter.filtered", "Данный слот отфильтрован для автоматизации")
 		gui("slot_filter.forbidden", "Данный слот запрещён для взаимодействия средствами автоматизации")
 		gui("slot_filter.hint", "Для удаления фильтра нажмите Ctrl + ЛКМ")
+
+		gui("debug.tags.help", "Удерживайте Shift для отображения тегов")
+		gui("debug.tags.item.title", "Теги предмета:")
+		gui("debug.tags.block.title", "Теги блока:")
 	}
 }
 

src/main/java/ru/dbotthepony/mc/otm/OverdriveThatMatters.java

@@ -242,6 +242,7 @@ public final class OverdriveThatMatters {
 		EVENT_BUS.addListener(EventPriority.LOWEST, ClientTickHandlerKt::onClientTick);
 		EVENT_BUS.addListener(EventPriority.HIGHEST, ClientTickHandlerKt::onClientConnected);
 		EVENT_BUS.addListener(EventPriority.HIGHEST, ClientTickHandlerKt::onClientDisconnected);
+		EVENT_BUS.addListener(EventPriority.NORMAL, ClientEventHandlerKt::tooltipEvent);
 
 		EVENT_BUS.addListener(EventPriority.NORMAL, QuantumBatteryItem.Companion::clientDisconnect);
 

src/main/kotlin/ru/dbotthepony/mc/otm/client/ClientEventHandler.kt

@@ -2,16 +2,22 @@ package ru.dbotthepony.mc.otm.client
 
 import com.mojang.blaze3d.platform.InputConstants
 import it.unimi.dsi.fastutil.ints.Int2ObjectArrayMap
+import net.minecraft.ChatFormatting
 import net.minecraft.client.gui.components.events.GuiEventListener
 import net.minecraft.client.gui.screens.Screen
 import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
 import net.minecraft.client.gui.screens.inventory.InventoryScreen
+import net.minecraft.tags.TagKey
 import net.minecraft.world.inventory.InventoryMenu
 import net.minecraft.world.inventory.Slot
+import net.minecraft.world.item.BlockItem
+import net.minecraft.world.item.Item
+import net.minecraft.world.level.block.Block
 import net.minecraftforge.client.event.MovementInputUpdateEvent
 import net.minecraftforge.client.event.ScreenEvent
 import net.minecraftforge.client.event.ScreenEvent.MouseDragged
 import net.minecraftforge.client.event.ScreenEvent.MouseScrolled
+import net.minecraftforge.event.entity.player.ItemTooltipEvent
 import ru.dbotthepony.mc.otm.config.ClientConfig
 import ru.dbotthepony.mc.otm.android.feature.JumpBoostFeature
 import ru.dbotthepony.mc.otm.capability.MatteryPlayerCapability
@@ -27,6 +33,7 @@ import ru.dbotthepony.mc.otm.client.screen.panels.Panel2Widget
 import ru.dbotthepony.mc.otm.compat.vanilla.InventoryScrollPacket
 import ru.dbotthepony.mc.otm.compat.cos.isCosmeticArmorScreen
 import ru.dbotthepony.mc.otm.core.TranslatableComponent
+import ru.dbotthepony.mc.otm.core.addAll
 import ru.dbotthepony.mc.otm.core.math.integerDivisionUp
 import ru.dbotthepony.mc.otm.menu.MatteryMenu
 import ru.dbotthepony.mc.otm.network.MenuNetworkChannel
@@ -253,3 +260,42 @@ fun onScreenOpen(event: ScreenEvent.Opening) {
 		event.newScreen = ExopackInventoryScreen(player.exoPackMenu)
 	}
 }
+
+private val TOOLTIP_TAG_DISPLAY_HELP = TranslatableComponent("otm.gui.debug.tags.help").withStyle(ChatFormatting.GRAY)
+private val TOOLTIP_TAG_DISPLAY_ITEM_TITLE = TranslatableComponent("otm.gui.debug.tags.item.title").withStyle(ChatFormatting.DARK_GRAY)
+private val TOOLTIP_TAG_DISPLAY_BLOCK_TITLE = TranslatableComponent("otm.gui.debug.tags.block.title").withStyle(ChatFormatting.DARK_GRAY)
+
+fun tooltipEvent(event: ItemTooltipEvent) {
+	if (event.flags.isAdvanced && ClientConfig.TOOLTIP_DISPLAY_TAGS && !event.itemStack.isEmpty) {
+		val itemTags = ArrayList<TagKey<Item>>()
+		if (event.itemStack.tags.count() > 0) {
+			itemTags.addAll(event.itemStack.tags)
+		}
+
+		val blockTags = ArrayList<TagKey<Block>>()
+		if (event.itemStack.item is BlockItem) {
+			blockTags.addAll((event.itemStack.item as BlockItem).block.defaultBlockState().tags)
+		}
+
+		if (itemTags.isNotEmpty() || blockTags.isNotEmpty()) {
+			if (!minecraft.window.isShiftDown) {
+				event.toolTip.add(TOOLTIP_TAG_DISPLAY_HELP)
+				return
+			}
+		}
+
+		if (itemTags.isNotEmpty()) {
+			event.toolTip.add(TOOLTIP_TAG_DISPLAY_ITEM_TITLE)
+			for (tag in itemTags) {
+				event.toolTip.add(TranslatableComponent("otm.gui.debug.tags.tag.entry", tag.location).withStyle(ChatFormatting.DARK_GRAY))
+			}
+		}
+
+		if (blockTags.isNotEmpty()) {
+			event.toolTip.add(TOOLTIP_TAG_DISPLAY_BLOCK_TITLE)
+			for (tag in blockTags) {
+				event.toolTip.add(TranslatableComponent("otm.gui.debug.tags.tag.entry", tag.location).withStyle(ChatFormatting.DARK_GRAY))
+			}
+		}
+	}
+}

src/main/kotlin/ru/dbotthepony/mc/otm/config/ClientConfig.kt

@@ -28,4 +28,8 @@ object ClientConfig : AbstractConfig("client", ModConfig.Type.CLIENT) {
 		.comment("Display redstone control button using items instead of custom sprites")
 		.comment("For those who want it.")
 		.define("REDSTONE_CONTROLS_ITEM_ICONS", false)
+
+	var TOOLTIP_DISPLAY_TAGS: Boolean by builder
+		.comment("Display block/item tags in advanced item tooltips")
+		.define("TOOLTIP_DISPLAY_TAGS", false)
 }