Added backstab

Plugin/src/main/java/com/willfp/ecoenchants/enchantments/EcoEnchants.java

@@ -228,6 +228,7 @@ public class EcoEnchants {
     public static final EcoEnchant INACCURACY_CURSE = new InaccuracyCurse();
     public static final EcoEnchant RESPIRATOR = new Respirator();
     public static final EcoEnchant FETCHING = new Fetching();
+    public static final EcoEnchant BACKSTAB = new Backstab();
 
     /**
      * Get all registered {@link EcoEnchant}s

Plugin/src/main/java/com/willfp/ecoenchants/enchantments/ecoenchants/normal/Backstab.java

@@ -0,0 +1,33 @@
+package com.willfp.ecoenchants.enchantments.ecoenchants.normal;
+
+import com.willfp.ecoenchants.enchantments.EcoEnchant;
+import com.willfp.ecoenchants.enchantments.EcoEnchantBuilder;
+import com.willfp.ecoenchants.enchantments.EcoEnchants;
+import org.bukkit.entity.Creeper;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.event.entity.EntityDamageByEntityEvent;
+import org.bukkit.util.Vector;
+
+public class Backstab extends EcoEnchant {
+    public Backstab() {
+        super(
+                new EcoEnchantBuilder("backstab", EnchantmentType.NORMAL,5.0)
+        );
+    }
+
+    // START OF LISTENERS
+
+
+    @Override
+    public void onMeleeAttack(LivingEntity attacker, LivingEntity victim, int level, EntityDamageByEntityEvent event) {
+        Vector victimLoc = victim.getLocation().toVector();
+        Vector attackerLoc = attacker.getLocation().toVector();
+        Vector locationDelta = victimLoc.subtract(attackerLoc);
+        Vector attackerDirection = attacker.getLocation().getDirection();
+        double dot = locationDelta.dot(attackerDirection);
+
+        if(dot > 0) return;
+
+        event.setDamage(event.getDamage() * ((level * this.getConfig().getDouble(EcoEnchants.CONFIG_LOCATION + "damage-multiplier-per-level")) + 1));
+    }
+}

Plugin/src/main/resources/enchants/normal/backstab.yml

@@ -0,0 +1,26 @@
+#
+# Backstab EcoEnchant
+#
+
+config-version: 5.0 # Don't edit this.
+
+name: "Backstab"
+description: Increases damage when behind opponent
+enabled: true
+
+obtaining:
+  table: true
+  villager: true
+  loot: true
+  rarity: epic
+
+general-config:
+  targets:
+    - sword
+    - axe
+  grindstoneable: true
+  conflicts: []
+  maximum-level: 3
+
+config:
+  damage-multiplier-per-level: 0.1

Plugin/src/main/resources/enchants/normal/dexterous.yml

@@ -12,7 +12,7 @@ obtaining:
   table: true
   villager: true
   loot: true
-  rarity: legendary
+  rarity: epic
 
 general-config:
   targets:

Plugin/src/main/resources/enchants/normal/firststrike.yml

@@ -22,4 +22,4 @@ general-config:
   maximum-level: 5
 
 config:
-  damage-multiplier-per-level: 0.05
+  damage-multiplier-per-level: 0.15