Tweaks: add NWNX_TWEAKS_RULESET_BARBARIAN_DR_CHANGE_FOR_PC_ONLY

CHANGELOG.md

@@ -15,6 +15,7 @@ https://github.com/nwnxee/unified/compare/build8193.36.12...HEAD
 - NoStack: Added `NWNX_NOSTACK_IGNORE_SUPERNATURAL_INNATE` to ignore effects created by the Feat, Race and SkillRanks plugins when stacking.
 - Tweaks: added `NWNX_TWEAKS_CUTSCENE_MODE_NO_TURD` to not drop a TURD when SetCutsceneMode() is called.
 - Tweaks: added `NWNX_TWEAKS_CAN_USE_ITEMS_WHILE_POLYMORPHED` to allow all items to be used while polymorphed.
+- Tweaks: added `NWNX_TWEAKS_RULESET_BARBARIAN_DR_CHANGE_FOR_PC_ONLY` to apply changes in ruleset.2da to BARBARIAN_DAMAGE_REDUCTION only to PCs. |
 
 ##### New Plugins
 - Store: Enables getting and setting store data.

NWNXLib/API/FunctionsLinux.hpp

@@ -47,4 +47,6 @@ NWNXLIB_FUNCTION(_ZN23CNWSItemPropertyHandler24InitializeItemPropertiesEv)
 NWNXLIB_FUNCTION(_ZN23CNWSItemPropertyHandler21OnItemPropertyAppliedEP8CNWSItemP15CNWItemPropertyP12CNWSCreatureji)
 NWNXLIB_FUNCTION(_ZN23CNWSItemPropertyHandler21OnItemPropertyRemovedEP8CNWSItemP15CNWItemPropertyP12CNWSCreaturej)
 
+NWNXLIB_FUNCTION(_ZN10CNWSObject17DoDamageReductionEP12CNWSCreatureihiii)
+
 // ***

Plugins/Tweaks/CMakeLists.txt

@@ -39,4 +39,5 @@ add_plugin(Tweaks
     "SetAreaCallsSetPosition.cpp"
     "EquipUnequipEventTweaks.cpp"
     "CutsceneModeNoTURD.cpp"
-    "CanUseItemsWhilePolymorphed.cpp")
+    "CanUseItemsWhilePolymorphed.cpp"
+    "RulesetBarbarianDRChangeForPCOnly.cpp")

Plugins/Tweaks/README.md

@@ -51,6 +51,7 @@ Tweaks stuff. See below.
 | `NWNX_TWEAKS_DONT_DELAY_EQUIP_EVENT` | true or false | Fixes Unequip/Equip events being out of sync if an item is equipped/unequipped multiple times per server tick |
 | `NWNX_TWEAKS_CUTSCENE_MODE_NO_TURD` | true or false | SetCutsceneMode() will not cause a TURD to be dropped. |
 | `NWNX_TWEAKS_CAN_USE_ITEMS_WHILE_POLYMORPHED` | true or false | Allow all items to be used while polymorphed. |
+| `NWNX_TWEAKS_RULESET_BARBARIAN_DR_CHANGE_FOR_PC_ONLY` | true or false | Changes in ruleset.2da to BARBARIAN_DAMAGE_REDUCTION apply only to PCs. |
 
 ## Environment variable values
 

Plugins/Tweaks/RulesetBarbarianDRChangeForPCOnly.cpp

@@ -0,0 +1,59 @@
+#include "nwnx.hpp"
+
+#include "API/CNWSObject.hpp"
+#include "API/CNWSCreature.hpp"
+#include "API/CNWRules.hpp"
+
+namespace Tweaks {
+
+using namespace NWNXLib;
+using namespace NWNXLib::API;
+
+void RulesetBarbarianDRChangeForPCOnly() __attribute__((constructor));
+void RulesetBarbarianDRChangeForPCOnly()
+{
+    if (!Config::Get<bool>("RULESET_BARBARIAN_DR_CHANGE_FOR_PC_ONLY", false)) return;
+
+    LOG_INFO("Changes in ruleset.2da to BARBARIAN_DAMAGE_REDUCTION apply only to PCs.");
+
+    static Hooks::Hook s_DoDamageReductionHook = Hooks::HookFunction(Functions::_ZN10CNWSObject17DoDamageReductionEP12CNWSCreatureihiii,
+        +[](CNWSObject *thisPtr, CNWSCreature *pDamager, int32_t nDamage, uint8_t nDamagePower, BOOL bSimulation, BOOL bCombatDamage, BOOL bRangedAttack) -> int32_t
+        {
+            const auto *thisCreature = Utils::AsNWSCreature(thisPtr);
+            bool useDefaultValues = thisCreature && !thisCreature->m_pStats->m_bIsPC && (
+                    thisCreature->m_pStats->HasFeat(Constants::Feat::DamageReduction) ||
+                    thisCreature->m_pStats->HasFeat(Constants::Feat::DamageReduction2) ||
+                    thisCreature->m_pStats->HasFeat(Constants::Feat::DamageReduction3) ||
+                    thisCreature->m_pStats->HasFeat(Constants::Feat::DamageReduction4) ||
+                    thisCreature->m_pStats->HasFeat(Constants::Feat::EpicBarbarianDamageReduction)
+                );
+
+            if (useDefaultValues)
+            {
+                const auto dr1 = Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("BARBARIAN_DAMAGE_REDUCTION_LEVEL_1")];
+                const auto dr2 = Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("BARBARIAN_DAMAGE_REDUCTION_LEVEL_2")];
+                const auto dr3 = Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("BARBARIAN_DAMAGE_REDUCTION_LEVEL_3")];
+                const auto dr4 = Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("BARBARIAN_DAMAGE_REDUCTION_LEVEL_4")];
+                const auto dr5 = Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("EPIC_BARBARIAN_DAMAGE_REDUCTION")];
+                Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("BARBARIAN_DAMAGE_REDUCTION_LEVEL_1")] = CachedRulesetEntry {.s = "1", .i = 1, .f = 1};
+                Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("BARBARIAN_DAMAGE_REDUCTION_LEVEL_2")] = CachedRulesetEntry {.s = "2", .i = 2, .f = 2};
+                Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("BARBARIAN_DAMAGE_REDUCTION_LEVEL_3")] = CachedRulesetEntry {.s = "3", .i = 3, .f = 3};
+                Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("BARBARIAN_DAMAGE_REDUCTION_LEVEL_4")] = CachedRulesetEntry {.s = "4", .i = 4, .f = 4};
+                Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("EPIC_BARBARIAN_DAMAGE_REDUCTION")] = CachedRulesetEntry {.s = "5", .i = 5, .f = 5};
+
+                const auto retVal = s_DoDamageReductionHook->CallOriginal<int32_t>(thisPtr, pDamager, nDamage, nDamagePower, bSimulation, bCombatDamage, bRangedAttack);
+
+                Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("BARBARIAN_DAMAGE_REDUCTION_LEVEL_1")] = dr1;
+                Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("BARBARIAN_DAMAGE_REDUCTION_LEVEL_2")] = dr2;
+                Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("BARBARIAN_DAMAGE_REDUCTION_LEVEL_3")] = dr3;
+                Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("BARBARIAN_DAMAGE_REDUCTION_LEVEL_4")] = dr4;
+                Globals::Rules()->m_ruleset_2da_cache[CRULES_HASHEDSTR("EPIC_BARBARIAN_DAMAGE_REDUCTION")] = dr5;
+
+                return retVal;
+            }
+
+            return s_DoDamageReductionHook->CallOriginal<int32_t>(thisPtr, pDamager, nDamage, nDamagePower, bSimulation, bCombatDamage, bRangedAttack);
+        }, Hooks::Order::Early);
+}
+
+}