Add warning for missing REI

src/main/kotlin/features/inventory/REIDependencyWarner.kt

@@ -0,0 +1,83 @@
+package moe.nea.firmament.features.inventory
+
+import net.fabricmc.loader.api.FabricLoader
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlin.time.Duration.Companion.seconds
+import net.minecraft.SharedConstants
+import net.minecraft.text.ClickEvent
+import net.minecraft.text.Text
+import moe.nea.firmament.Firmament
+import moe.nea.firmament.annotations.Subscribe
+import moe.nea.firmament.commands.thenExecute
+import moe.nea.firmament.events.CommandEvent
+import moe.nea.firmament.events.SkyblockServerUpdateEvent
+import moe.nea.firmament.repo.RepoManager
+import moe.nea.firmament.util.MC
+import moe.nea.firmament.util.SBData
+import moe.nea.firmament.util.aqua
+import moe.nea.firmament.util.bold
+import moe.nea.firmament.util.clickCommand
+import moe.nea.firmament.util.grey
+import moe.nea.firmament.util.lime
+import moe.nea.firmament.util.red
+import moe.nea.firmament.util.white
+import moe.nea.firmament.util.yellow
+
+object REIDependencyWarner {
+	val reiModId = "roughlyenoughitems"
+	val hasREI = FabricLoader.getInstance().isModLoaded(reiModId)
+	var sentWarning = false
+
+	fun modrinthLink(slug: String) =
+		"https://modrinth.com/mod/$slug/versions?g=${SharedConstants.getGameVersion().name}&l=fabric"
+
+	fun downloadButton(modName: String, modId: String, slug: String): Text {
+		val alreadyDownloaded = FabricLoader.getInstance().isModLoaded(modId)
+		return Text.literal(" - ")
+			.white()
+			.append(Text.literal("[").aqua())
+			.append(Text.translatable("firmament.download", modName)
+				        .styled { it.withClickEvent(ClickEvent(ClickEvent.Action.OPEN_URL, modrinthLink(slug))) }
+				        .yellow()
+				        .also {
+					        if (alreadyDownloaded)
+						        it.append(Text.translatable("firmament.download.already", modName)
+							                  .lime())
+				        })
+			.append(Text.literal("]").aqua())
+	}
+
+	@Subscribe
+	fun checkREIDependency(event: SkyblockServerUpdateEvent) {
+		if (!SBData.isOnSkyblock) return
+		if (hasREI) return
+		if (sentWarning) return
+		sentWarning = true
+		Firmament.coroutineScope.launch {
+			delay(2.seconds)
+			// TODO: should we offer an automatic install that actually downloads the JARs and places them into the mod folder?
+			MC.sendChat(
+				Text.translatable("firmament.reiwarning").red().bold().append("\n")
+					.append(downloadButton("RoughlyEnoughItems", reiModId, "rei")).append("\n")
+					.append(downloadButton("Architectury API", "architectury", "architectury-api")).append("\n")
+					.append(downloadButton("Cloth Config API", "cloth-config", "cloth-config")).append("\n")
+					.append(Text.translatable("firmament.reiwarning.disable")
+						        .clickCommand("/firm disablereiwarning")
+						        .grey())
+			)
+		}
+	}
+
+	@Subscribe
+	fun onSubcommand(event: CommandEvent.SubCommand) {
+		if (hasREI) return
+		event.subcommand("disablereiwarning") {
+			thenExecute {
+				RepoManager.Config.warnForMissingItemListMod = false
+				RepoManager.Config.save()
+				MC.sendChat(Text.translatable("firmament.reiwarning.disabled").yellow())
+			}
+		}
+	}
+}

src/main/kotlin/repo/RepoManager.kt

@@ -40,7 +40,7 @@ object RepoManager {
 			RepoManager.launchAsyncUpdate(true)
 		}
 		val alwaysSuperCraft by toggle("enable-super-craft") { true }
-
+		var warnForMissingItemListMod by toggle("warn-for-missing-item-list-mod") { true }
 	}
 
 	val currentDownloadedSha by RepoDownloadManager::latestSavedVersionHash

src/main/kotlin/util/render/DrawContextExt.kt

@@ -12,6 +12,7 @@ fun DrawContext.isUntranslatedGuiDrawContext(): Boolean {
 
 fun DrawContext.drawLine(fromX: Int, fromY: Int, toX: Int, toY: Int, color: Color) {
 	// TODO: push scissors
+	// TODO: use matrix translations and a different render layer
 	if (toY < fromY) {
 		drawLine(toX, toY, fromX, fromY, color)
 		return

src/main/kotlin/util/textutil.kt

@@ -1,5 +1,6 @@
 package moe.nea.firmament.util
 
+import net.minecraft.text.ClickEvent
 import net.minecraft.text.MutableText
 import net.minecraft.text.PlainTextContent
 import net.minecraft.text.Text
@@ -119,7 +120,30 @@ fun Text.iterator(): Sequence<Text> {
 
 fun Text.allSiblings(): List<Text> = listOf(this) + siblings.flatMap { it.allSiblings() }
 
-fun MutableText.withColor(formatting: Formatting) = this.styled { it.withColor(formatting).withItalic(false) }
+fun MutableText.withColor(formatting: Formatting): MutableText = this.styled {
+	it.withColor(formatting)
+		.withItalic(false)
+		.withBold(false)
+}
+
+fun MutableText.blue() = withColor(Formatting.BLUE)
+fun MutableText.aqua() = withColor(Formatting.AQUA)
+fun MutableText.lime() = withColor(Formatting.GREEN)
+fun MutableText.darkGreen() = withColor(Formatting.DARK_GREEN)
+fun MutableText.yellow() = withColor(Formatting.YELLOW)
+fun MutableText.grey() = withColor(Formatting.GRAY)
+fun MutableText.red() = withColor(Formatting.RED)
+fun MutableText.white() = withColor(Formatting.WHITE)
+fun MutableText.bold(): MutableText = styled { it.withBold(true) }
+
+
+fun MutableText.clickCommand(command: String): MutableText {
+	require(command.startsWith("/"))
+	return this.styled {
+		it.withClickEvent(ClickEvent(ClickEvent.Action.RUN_COMMAND,
+		                             "/firm disablereiwarning"))
+	}
+}
 
 fun Text.transformEachRecursively(function: (Text) -> Text): Text {
 	val c = this.content