1 files changed, 86 insertions, 0 deletions
diff --git a/src/main/java/me/xmrvizzy/skyblocker/skyblock/item/ItemRarityBackgrounds.java b/src/main/java/me/xmrvizzy/skyblocker/skyblock/item/ItemRarityBackgrounds.java
new file mode 100644
index 00000000..b6020e6e
--- /dev/null
+++ b/src/main/java/me/xmrvizzy/skyblocker/skyblock/item/ItemRarityBackgrounds.java
@@ -0,0 +1,86 @@
+package me.xmrvizzy.skyblocker.skyblock.item;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Supplier;
+
+import com.google.common.collect.ImmutableMap;
+import com.mojang.blaze3d.systems.RenderSystem;
+
+import it.unimi.dsi.fastutil.ints.Int2ReferenceOpenHashMap;
+import me.xmrvizzy.skyblocker.SkyblockerMod;
+import me.xmrvizzy.skyblocker.utils.scheduler.Scheduler;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.gui.DrawContext;
+import net.minecraft.client.item.TooltipContext;
+import net.minecraft.client.network.ClientPlayerEntity;
+import net.minecraft.client.texture.Sprite;
+import net.minecraft.item.ItemStack;
+import net.minecraft.text.Text;
+import net.minecraft.util.Identifier;
+
+public class ItemRarityBackgrounds {
+	private static final Identifier RARITY_BG_TEX = new Identifier(SkyblockerMod.NAMESPACE, "item_rarity_background");
+	private static final Supplier<Sprite> SPRITE = () -> MinecraftClient.getInstance().getGuiAtlasManager().getSprite(RARITY_BG_TEX);
+	private static final ImmutableMap<String, SkyblockItemRarity> LORE_RARITIES = ImmutableMap.ofEntries(
+			Map.entry("ADMIN", SkyblockItemRarity.ADMIN),
+			Map.entry("SPECIAL", SkyblockItemRarity.SPECIAL), //Very special is the same color so this will cover it
+			Map.entry("DIVINE", SkyblockItemRarity.DIVINE),
+			Map.entry("MYTHIC", SkyblockItemRarity.MYTHIC),
+			Map.entry("LEGENDARY", SkyblockItemRarity.LEGENDARY),
+			Map.entry("LEGENJERRY", SkyblockItemRarity.LEGENDARY),
+			Map.entry("EPIC", SkyblockItemRarity.EPIC),
+			Map.entry("RARE", SkyblockItemRarity.RARE),
+			Map.entry("UNCOMMON", SkyblockItemRarity.UNCOMMON),
+			Map.entry("COMMON", SkyblockItemRarity.COMMON));
+	
+	private static final Int2ReferenceOpenHashMap<SkyblockItemRarity> CACHE = new Int2ReferenceOpenHashMap<>();
+	
+	public static void init() {
+		//Clear the cache every 5 minutes, ints are very compact!
+		Scheduler.INSTANCE.scheduleCyclic(() -> CACHE.clear(), 4800);
+	}
+	
+	public static void tryDraw(ItemStack stack, DrawContext context, int x, int y) {
+		MinecraftClient client = MinecraftClient.getInstance();
+		
+		if (client.player != null) {
+			SkyblockItemRarity itemRarity = getItemRarity(stack, client.player);
+			
+			if (itemRarity != null) draw(context, x, y, itemRarity);
+		}
+	}
+	
+	private static SkyblockItemRarity getItemRarity(ItemStack stack, ClientPlayerEntity player) {
+		if (stack == null || stack.isEmpty()) return null;
+		
+		int hashCode = System.identityHashCode(stack);
+		if (CACHE.containsKey(hashCode)) return CACHE.get(hashCode);
+				
+		List<Text> tooltip = stack.getTooltip(player, TooltipContext.BASIC);
+		String[] stringifiedTooltip = tooltip.stream().map(Text::getString).toArray(String[]::new);
+		
+		for (String rarity : LORE_RARITIES.keySet()) {
+			if (Arrays.stream(stringifiedTooltip).anyMatch(line -> line.contains(rarity))) {
+				SkyblockItemRarity foundRarity = LORE_RARITIES.get(rarity);
+				
+				CACHE.put(hashCode, foundRarity);
+				return LORE_RARITIES.get(rarity);
+			}
+		}
+		
+		CACHE.put(hashCode, null);
+		return null;
+	}
+	
+	private static void draw(DrawContext context, int x, int y, SkyblockItemRarity rarity) {
+		//Enable blending to handle HUD translucency
+		RenderSystem.enableBlend();
+		RenderSystem.defaultBlendFunc();
+		
+		context.drawSprite(x, y, 0, 16, 16, SPRITE.get(), rarity.r, rarity.g, rarity.b, 1f);
+		
+		RenderSystem.disableBlend();
+	}
+}