Attempt to fix 1.16.3 branch's issues on the repository

Added the original 'wayoftime' folder back, so see if that fixed the multiple folder issue.

src/main/java/wayoftime/bloodmagic/altar/AltarUpgrade.java

@@ -0,0 +1,29 @@
+package wayoftime.bloodmagic.altar;
+
+import java.util.EnumMap;
+
+import com.google.common.collect.Maps;
+
+import wayoftime.bloodmagic.block.enums.BloodRuneType;
+
+public class AltarUpgrade
+{
+
+	private final EnumMap<BloodRuneType, Integer> upgradeLevels;
+
+	public AltarUpgrade()
+	{
+		this.upgradeLevels = Maps.newEnumMap(BloodRuneType.class);
+	}
+
+	public AltarUpgrade upgrade(BloodRuneType rune)
+	{
+		upgradeLevels.compute(rune, (r, l) -> l == null ? 1 : l + 1);
+		return this;
+	}
+
+	public int getLevel(BloodRuneType rune)
+	{
+		return upgradeLevels.getOrDefault(rune, 0);
+	}
+}