[Spells] Implemented SPA 245 SE_TrapCircumvention (#1885)

* implemented

* [Spells] Implemented SPA 245 SE_TrapCircumvention

zone/bonuses.cpp

@@ -1773,6 +1773,10 @@ void Mob::ApplyAABonuses(const AA::Rank &rank, StatBonuses *newbon)
 			break;
 		}
 
+		case SE_TrapCircumvention:
+			newbon->TrapCircumvention += base_value;
+			break;
+
 		// to do
 		case SE_PetDiscipline:
 			break;
@@ -1784,9 +1788,6 @@ void Mob::ApplyAABonuses(const AA::Rank &rank, StatBonuses *newbon)
 			break;
 		case SE_NimbleEvasion:
 			break;
-		case SE_TrapCircumvention:
-			break;
-
 
 		// not handled here
 		case SE_HastenedAASkill:
@@ -3794,6 +3795,10 @@ void Mob::ApplySpellsBonuses(uint16 spell_id, uint8 casterlevel, StatBonuses *ne
 				new_bonus->CompleteHealBuffBlocker = true;
 				break;
 
+			case SE_TrapCircumvention:
+				new_bonus->TrapCircumvention += effect_value;
+				break;
+
 			//Special custom cases for loading effects on to NPC from 'npc_spels_effects' table
 			if (IsAISpellEffect) {
 

zone/client_packet.cpp

@@ -5464,8 +5464,11 @@ void Client::Handle_OP_DisarmTraps(const EQApplicationPacket *app)
 			}
 			else
 			{
+				int fail_rate = 25;
+				int trap_circumvention = spellbonuses.TrapCircumvention + itembonuses.TrapCircumvention + aabonuses.TrapCircumvention;
+				fail_rate -= fail_rate * trap_circumvention / 100;
 				MessageString(Chat::Skills, FAIL_DISARM_DETECTED_TRAP);
-				if (zone->random.Int(0, 99) < 25) {
+				if (zone->random.Int(0, 99) < fail_rate) {
 					trap->Trigger(this);
 				}
 			}

zone/common.h

@@ -561,6 +561,7 @@ struct StatBonuses {
 	bool	CompleteHealBuffBlocker;			// Use in SPA 101 to prevent recast of complete heal from this effect till blocker buff is removed.
 
 	// AAs
+	int32	TrapCircumvention;					// reduce chance to trigger a trap.
 	uint16  SecondaryForte;						// allow a second skill to be specialized with a cap of this value.
 	int32	ShieldDuration;						// extends duration of /shield ability
 	int32	ExtendedShielding;					// extends range of /shield ability