Add item rarity backgrounds

src/main/kotlin/moe/nea/firmament/events/HotbarItemRenderEvent.kt

@@ -0,0 +1,20 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Linnea Gräf <nea@nea.moe>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package moe.nea.firmament.events
+
+import net.minecraft.client.gui.DrawContext
+import net.minecraft.item.ItemStack
+
+data class HotbarItemRenderEvent(
+    val item: ItemStack,
+    val context: DrawContext,
+    val x: Int,
+    val y: Int,
+    val tickDelta: Float,
+) : FirmamentEvent() {
+    companion object : FirmamentEventBus<HotbarItemRenderEvent>()
+}

src/main/kotlin/moe/nea/firmament/features/FeatureManager.kt

@@ -18,6 +18,7 @@ import moe.nea.firmament.features.debug.PowerUserTools
 import moe.nea.firmament.features.fixes.CompatibliltyFeatures
 import moe.nea.firmament.features.fixes.Fixes
 import moe.nea.firmament.features.inventory.CraftingOverlay
+import moe.nea.firmament.features.inventory.ItemRarityCosmetics
 import moe.nea.firmament.features.inventory.PriceData
 import moe.nea.firmament.features.inventory.SaveCursorPosition
 import moe.nea.firmament.features.inventory.SlotLocking
@@ -59,6 +60,7 @@ object FeatureManager : DataHolder<FeatureManager.Config>(serializer(), "feature
             loadFeature(CustomSkyBlockTextures)
             loadFeature(PriceData)
             loadFeature(Fixes)
+            loadFeature(ItemRarityCosmetics)
             if (Firmament.DEBUG) {
                 loadFeature(DeveloperFeatures)
                 loadFeature(DebugView)

src/main/kotlin/moe/nea/firmament/features/inventory/ItemRarityCosmetics.kt

@@ -0,0 +1,80 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Linnea Gräf <nea@nea.moe>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package moe.nea.firmament.features.inventory
+
+import java.awt.Color
+import net.minecraft.client.gui.DrawContext
+import net.minecraft.item.ItemStack
+import net.minecraft.nbt.NbtElement
+import net.minecraft.util.Formatting
+import net.minecraft.util.Identifier
+import moe.nea.firmament.events.HotbarItemRenderEvent
+import moe.nea.firmament.events.SlotRenderEvents
+import moe.nea.firmament.features.FirmamentFeature
+import moe.nea.firmament.gui.config.ManagedConfig
+import moe.nea.firmament.util.MC
+
+object ItemRarityCosmetics : FirmamentFeature {
+    override val identifier: String
+        get() = "item-rarity-cosmetics"
+
+    object TConfig : ManagedConfig(identifier) {
+        val showItemRarityBackground by toggle("background") { false }
+        val showItemRarityInHotbar by toggle("background-hotbar") { false }
+    }
+
+    override val config: ManagedConfig
+        get() = TConfig
+
+    private val rarityToColor = mapOf(
+        "COMMON" to Formatting.WHITE,
+        "UNCOMMON" to Formatting.GREEN,
+        "RARE" to Formatting.DARK_BLUE,
+        "EPIC" to Formatting.DARK_PURPLE,
+        "LEGENDARY" to Formatting.GOLD,
+        "LEGENJERRY" to Formatting.GOLD,
+        "MYTHIC" to Formatting.LIGHT_PURPLE,
+        "DIVINE" to Formatting.BLUE,
+        "SPECIAL" to Formatting.DARK_RED,
+        "SUPREME" to Formatting.DARK_RED,
+    ).mapValues {
+        val c = Color(it.value.colorValue!!)
+        Triple(c.red / 255F, c.green / 255F, c.blue / 255F)
+    }
+    private val ItemStack.skyblockLoreRarityColor: Triple<Float, Float, Float>?
+        get() {
+            val lore =
+                getOrCreateSubNbt(ItemStack.DISPLAY_KEY).getList(ItemStack.LORE_KEY, NbtElement.STRING_TYPE.toInt())
+            val entry = lore.getString(lore.size - 1)
+            return rarityToColor.entries.find { (k, v) -> k in entry }?.value
+        }
+
+
+    fun drawItemStackRarity(drawContext: DrawContext, x: Int, y: Int, item: ItemStack) {
+        val (r, g, b) = item.skyblockLoreRarityColor ?: return
+        drawContext.drawSprite(
+            x, y,
+            0,
+            16, 16,
+            MC.guiAtlasManager.getSprite(Identifier("firmament:item_rarity_background")),
+            r, g, b, 1F
+        )
+    }
+
+    override fun onLoad() {
+        HotbarItemRenderEvent.subscribe {
+            if (!TConfig.showItemRarityInHotbar) return@subscribe
+            val stack = it.item
+            drawItemStackRarity(it.context, it.x, it.y, stack)
+        }
+        SlotRenderEvents.Before.subscribe {
+            if (!TConfig.showItemRarityBackground) return@subscribe
+            val stack = it.slot.stack ?: return@subscribe
+            drawItemStackRarity(it.context, it.slot.x, it.slot.y, stack)
+        }
+    }
+}

src/main/kotlin/moe/nea/firmament/util/MC.kt

@@ -46,6 +46,7 @@ object MC {
     inline val soundManager get() = MinecraftClient.getInstance().soundManager
     inline val player get() = MinecraftClient.getInstance().player
     inline val camera get() = MinecraftClient.getInstance().cameraEntity
+    inline val guiAtlasManager get() = MinecraftClient.getInstance().guiAtlasManager
     inline val world get() = MinecraftClient.getInstance().world
     inline var screen
         get() = MinecraftClient.getInstance().currentScreen