Finished r1_21 implementation.

- Better NodeHandler evaluation.

src/main/java/io/github/adrianvic/nemesiseye/reflection/Glimmer.java

@@ -1,5 +1,52 @@
 package io.github.adrianvic.nemesiseye.reflection;
 
+import io.github.adrianvic.nemesiseye.policy.Policy;
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.util.Vector;
+
+import java.io.File;
+import java.util.List;
+import java.util.Map;
+
 public interface Glimmer {
+    File loadConfigFile();
+    List<Policy> loadPoliciesFromFile(File file);
+    List<Policy> getApplyingPoliciesForEntity(HumanEntity entity, List<Policy> policies);
+    void onLoad();
+    ItemStack getItemInMainHandHumanEntity(HumanEntity entity);
+    boolean hasItemMeta(ItemStack item);
+    List<World> getWorlds();
+    boolean hasEnchantment(ItemStack item, Map<String, String> valuesmap);
+    boolean hasAnyEnchantment(ItemStack itemStack);
+
+    class Box {
+        public final double x1, y1, z1, x2, y2, z2;
+
+        public Box(double x1, double y1, double z1, double x2, double y2, double z2) {
+            this.x1 = Math.min(x1, x2);
+            this.y1 = Math.min(y1, y2);
+            this.z1 = Math.min(z1, z2);
+            this.x2 = Math.max(x1, x2);
+            this.y2 = Math.max(y1, y2);
+            this.z2 = Math.max(z1, z2);
+        }
+
+        public boolean contains(double x, double y, double z) {
+            return x >= x1 && x <= x2
+                    && y >= y1 && y <= y2
+                    && z >= z1 && z <= z2;
+        }
+        public boolean contains(Vector v) {
+            return v.getX() >= x1 && v.getX() <= x2
+                    && v.getY() >= y1 && v.getY() <= y2
+                    && v.getZ() >= z1 && v.getZ() <= z2;
+        }
+
+
+        public static Box of(Location loc1, Location loc2) { return new Box(loc1.getX(), loc1.getY(), loc1.getZ(), loc2.getX(), loc2.getY(), loc2.getZ()); }
+    }
 
 }