code pattern tweak

no idea if this changes much in practice or not

Author: mcmonkey4eva

src/main/java/org/mcmonkey/sentinel/SentinelWeaponHelper.java

@@ -3,6 +3,8 @@
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.Material;
+import org.bukkit.Particle;
+import org.bukkit.attribute.Attribute;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.*;
 import org.bukkit.inventory.ItemStack;
@@ -291,7 +293,7 @@ public void fireEvokerFangs(Location target) {
         sentinel.stats_evokerFangsSpawned++;
         sentinel.faceLocation(target);
         if (SentinelVersionCompat.v1_13) {
-            getLivingEntity().getWorld().spawnParticle(SentinelAPIBreakageFix.PARTICLE_SPELL, getLivingEntity().getEyeLocation().add(0, 1, 0), 10, 1, 1, 1);
+            getLivingEntity().getWorld().spawnParticle((Particle) SentinelAPIBreakageFix.PARTICLE_SPELL, getLivingEntity().getEyeLocation().add(0, 1, 0), 10, 1, 1, 1);
         }
         Vector forward = getLivingEntity().getEyeLocation().getDirection().setY(0).normalize();
         Location start = getLivingEntity().getLocation().clone().add(forward.clone().multiply(Math.max(3, sentinel.firingMinimumRange())));
@@ -395,7 +397,7 @@ public void knockback(LivingEntity entity, float force) {
             return;
         }
         if (SentinelVersionCompat.v1_12) {
-            float resist = (float) entity.getAttribute(SentinelAPIBreakageFix.ATTRIBUTE_GENERIC_KNOCKBACK_RESISTANCE).getValue();
+            float resist = (float) entity.getAttribute((Attribute) SentinelAPIBreakageFix.ATTRIBUTE_GENERIC_KNOCKBACK_RESISTANCE).getValue();
             if (resist > 0.0 && resist <= 1.0) {
                 force *= (1.0 - resist);
             }

src/main/java/org/mcmonkey/sentinel/utilities/SentinelAPIBreakageFix.java

@@ -29,9 +29,20 @@ public class SentinelAPIBreakageFix {
 
     public static PotionType POTION_TYPE_UNCRAFTABLE = _getEnumValue(PotionType.class, "UNCRAFTABLE"); // NOTE: Null after 1.21
 
-    public static Particle PARTICLE_SPELL = _getEnumValue(Particle.class, "SPELL", "EFFECT");
+    public static Object PARTICLE_SPELL;
 
-    public static Attribute ATTRIBUTE_GENERIC_KNOCKBACK_RESISTANCE = _getEnumValue(Attribute.class, "GENERIC_KNOCKBACK_RESISTANCE", "KNOCKBACK_RESISTANCE");
+    public static Object ATTRIBUTE_GENERIC_KNOCKBACK_RESISTANCE;
+
+    static {
+        try {
+            PARTICLE_SPELL = _getEnumValue(Particle.class, "SPELL", "EFFECT");
+        }
+        catch (Throwable ex) {};
+        try {
+            ATTRIBUTE_GENERIC_KNOCKBACK_RESISTANCE = _getEnumValue(Attribute.class, "GENERIC_KNOCKBACK_RESISTANCE", "KNOCKBACK_RESISTANCE");
+        }
+        catch (Throwable ex) {};
+    }
 
     /**
      * Note: not necessarily actually an enum.