Implemented NPC_LEASH (#7642)

db/re/skill_db.yml

@@ -17907,6 +17907,28 @@ Body:
         NoReiteration: true
         NoOverlap: true
     Status: PropertyWalk
+  - Id: 747
+    Name: NPC_LEASH
+    Description: Leash
+    MaxLevel: 5
+    TargetType: Attack
+    DamageFlags:
+      NoDamage: true
+    Flags:
+      IsNpc: true
+    Range:
+      - Level: 1
+        Size: 5
+      - Level: 2
+        Size: 10
+      - Level: 3
+        Size: 15
+      - Level: 4
+        Size: 20
+      - Level: 5
+        Size: 25
+    Hit: Single
+    HitCount: 1
   - Id: 751
     Name: NPC_ALL_STAT_DOWN
     Description: Decrease All Stats

src/common/mmo.hpp

@@ -89,7 +89,7 @@ typedef uint32 t_itemid;
 #endif
 #define MAX_FAME 1000000000 ///Max fame points
 #define MAX_CART 100 ///Maximum item in cart
-#define MAX_SKILL 1486 ///Maximum skill can be hold by Player, Homunculus, & Mercenary (skill list) AND skill_db limit
+#define MAX_SKILL 1500 ///Maximum skill can be hold by Player, Homunculus, & Mercenary (skill list) AND skill_db limit
 #define DEFAULT_WALK_SPEED 150 ///Default walk speed
 #define MIN_WALK_SPEED 20 ///Min walk speed
 #define MAX_WALK_SPEED 1000 ///Max walk speed

src/map/skill.cpp

@@ -12673,6 +12673,16 @@ int skill_castend_nodamage_id (struct block_list *src, struct block_list *bl, ui
 		break;
 #endif
 
+	case NPC_LEASH:
+		clif_skill_nodamage( src, bl, skill_id, skill_lv, 1 );
+
+		if( !skill_check_unit_movepos( 0, bl, src->x, src->y, 1, 1 ) ){
+			return 0;
+		}
+
+		clif_blown( bl );
+		break;
+
 	default: {
 		std::shared_ptr<s_skill_db> skill = skill_db.find(skill_id);
 		ShowWarning("skill_castend_nodamage_id: missing code case for skill %s(%d)\n", skill ? skill->name : "UNKNOWN", skill_id);