1 files changed, 89 insertions, 0 deletions
diff --git a/src/main/java/com/anthonyhilyard/iceberg/util/Selectors.java b/src/main/java/com/anthonyhilyard/iceberg/util/Selectors.java
new file mode 100644
index 0000000..04645db
--- /dev/null
+++ b/src/main/java/com/anthonyhilyard/iceberg/util/Selectors.java
@@ -0,0 +1,89 @@
+package com.anthonyhilyard.iceberg.util;
+
+import net.minecraft.core.Registry;
+import net.minecraft.world.item.ItemStack;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.List;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.TextColor;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.tags.ItemTags;
+import net.minecraft.world.item.Rarity;
+import net.minecraft.world.item.TooltipFlag;
+
+public class Selectors
+{
+	private static Map<String, Rarity> rarities = new HashMap<String, Rarity>() {{
+		put("common", Rarity.COMMON);
+		put("uncommon", Rarity.UNCOMMON);
+		put("rare", Rarity.RARE);
+		put("epic", Rarity.EPIC);
+	}};
+
+	public static boolean itemMatches(ItemStack item, String selector)
+	{
+		String itemResourceLocation = Registry.ITEM.getKey(item.getItem()).toString();
+		if (selector.equals(itemResourceLocation) || selector.equals(itemResourceLocation.replace("minecraft:", "")))
+		{
+			return true;
+		}
+		else if (selector.startsWith("#"))
+		{
+			TextColor entryColor = TextColor.parseColor(selector);
+			if (entryColor.equals(ItemColor.getColorForItem(item, TextColor.fromRgb(0xFFFFFF))))
+			{
+				return true;
+			}
+		}
+		else if (selector.startsWith("!"))
+		{
+			if (item.getRarity() == rarities.get(selector.substring(1)))
+			{
+				return true;
+			}
+		}
+		else if (selector.startsWith("@"))
+		{
+			if (itemResourceLocation.startsWith(selector.substring(1) + ":"))
+			{
+				return true;
+			}
+		}
+		else if (selector.startsWith("$"))
+		{
+			if (ItemTags.getAllTags().getTagOrEmpty(new ResourceLocation(selector.substring(1))).getValues().contains(item.getItem()))
+			{
+				return true;
+			}
+		}
+		else if (selector.startsWith("%"))
+		{
+			if (item.getDisplayName().getString().contains(selector.substring(1)))
+			{
+				return true;
+			}
+		}
+		else if (selector.startsWith("^"))
+		{
+			Minecraft mc = Minecraft.getInstance();
+			List<Component> lines = item.getTooltipLines(mc.player, TooltipFlag.Default.ADVANCED);
+			String tooltipText = "";
+			
+			// Skip title line.
+			for (int n = 1; n < lines.size(); n++)
+			{
+				tooltipText += lines.get(n).getString() + '\n';
+			}
+			if (tooltipText.contains(selector.substring(1)))
+			{
+				return true;
+			}
+		}
+
+		return false;
+	}
+}