From d5aecb228a2e34fc9570bbaa32b26b588ba4c16f Mon Sep 17 00:00:00 2001
From: Vayle <76063792+Valorith@users.noreply.github.com>
Date: Wed, 21 Dec 2022 18:41:25 -0500
Subject: [PATCH] [Rules] Add Backstab Rules (#2666)

* [Rules] Add backstab rules

Add rules to disable elemental and bane damage on backstab.

* Update special_attacks.cpp

Co-authored-by: Alex King <89047260+Kinglykrab@users.noreply.github.com>
---
 common/ruletypes.h       |  2 ++
 zone/special_attacks.cpp | 11 ++++++++---
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/common/ruletypes.h b/common/ruletypes.h
index 59f22b149..78b0d35ff 100644
--- a/common/ruletypes.h
+++ b/common/ruletypes.h
@@ -495,6 +495,8 @@ RULE_BOOL(Combat, NPCsUseFrontalStunImmunityRaces, true, "Enable or disable NPCs
 RULE_BOOL(Combat, AssassinateOnlyHumanoids, true, "Enable or disable Assassinate only being allowed on Humanoids, true by default.")
 RULE_BOOL(Combat, HeadshotOnlyHumanoids, true, "Enable or disable Headshot only being allowed on Humanoids, true by default.")
 RULE_BOOL(Combat, EnableWarriorShielding, true, "Enable or disable Warrior Shielding Ability (/shield), true by default.")
+RULE_BOOL(Combat, BackstabIgnoresElemental, false, "Enable or disable Elemental weapon damage affecting backstab damage, false by default.")
+RULE_BOOL(Combat, BackstabIgnoresBane, false, "Enable or disable Bane weapon damage affecting backstab damage, false by default.")
 RULE_CATEGORY_END()
 
 RULE_CATEGORY(NPC)
diff --git a/zone/special_attacks.cpp b/zone/special_attacks.cpp
index 77f885513..bec56cf1f 100644
--- a/zone/special_attacks.cpp
+++ b/zone/special_attacks.cpp
@@ -112,13 +112,18 @@ int Mob::GetBaseSkillDamage(EQ::skills::SkillType skill, Mob *target)
 			auto *inst = CastToClient()->GetInv().GetItem(EQ::invslot::slotPrimary);
 			if (inst && inst->GetItem() && inst->GetItem()->ItemType == EQ::item::ItemType1HPiercing) {
 				base = inst->GetItemBackstabDamage(true);
-				if (!inst->GetItemBackstabDamage())
+				if (!inst->GetItemBackstabDamage()) {
 					base += inst->GetItemWeaponDamage(true);
+				}
+
 				if (target) {
-					if (inst->GetItemElementalFlag(true) && inst->GetItemElementalDamage(true))
+					if (inst->GetItemElementalFlag(true) && inst->GetItemElementalDamage(true) && !RuleB(Combat, BackstabIgnoresElemental)) {
 						base += target->ResistElementalWeaponDmg(inst);
-					if (inst->GetItemBaneDamageBody(true) || inst->GetItemBaneDamageRace(true))
+					}
+
+					if ((inst->GetItemBaneDamageBody(true) || inst->GetItemBaneDamageRace(true)) && !RuleB(Combat, BackstabIgnoresBane)) {
 						base += target->CheckBaneDamage(inst);
+					}
 				}
 			}
 		} else if (IsNPC()) {