fix: display imbuement damage reductions in cyclopedia

data/items/items.xml

@@ -2,7 +2,7 @@
 <items>
 	<!--  Liquids -->
 	<!--  Fluid type 0 is same as water (id="1") -->
-	<item id="1" name="water" /> 
+	<item id="1" name="water" />
 	<item id="2" name="wine" />
 	<item id="3" name="beer" />
 	<item id="4" name="mud" />
@@ -20752,7 +20752,7 @@
 	</item>
 	<item id="11258" article="a" name="unknown item">
 		<attribute key="duration" value="10"/>
-		<attribute key="decayTo" value="11257"/>		
+		<attribute key="decayTo" value="11257"/>
 	</item>
 	<item fromid="11259" toid="11262" article="a" name="banner"/>
 	<item fromid="11263" toid="11264" article="a" name="tapestry"/>
@@ -35287,7 +35287,7 @@
 		<attribute key="healthgain" value="3"/>
 		<attribute key="speed" value="30"/>
 		<attribute key="duration" value="3600"/>
-		<attribute key="transformdeequipto" value="23477"/> 
+		<attribute key="transformdeequipto" value="23477"/>
 		<attribute key="decayTo" value="0"/>
 		<attribute key="armor" value="2"/>
 		<attribute key="weight" value="1500"/>
@@ -52606,7 +52606,7 @@
 		<attribute key="description" value="Juding by the pinching of his beak, this one seems to be born to joust"/>
 		<attribute key="wrapableto" value="23398"/>
 	</item>
-	<!--  Unmoveable decorative items --> 
+	<!--  Unmoveable decorative items -->
 	<item id="37213" article="a" name="blue balloon"/>
 	<item id="37214" article="a" name="green balloon"/>
 	<item id="37215" article="an" name="orange balloon"/>
@@ -52664,7 +52664,7 @@
 	<item id="37297" article="a" name="blue Tibia carpet"/>
 	<item id="37298" article="a" name="purple Tibia carpet"/>
 	<item id="37299" article="a" name="pink Tibia carpet"/>
-	<!-- End of Unmoveable Decorative items--> 
+	<!-- End of Unmoveable Decorative items-->
 	<item id="37303" article="a" name="half empty picture album">
 		<attribute key="description" value="Eight pictures are missing. Under the first missing one you read: &quot;Banner of the Falcon Order&quot;" />
 		<attribute key="weight" value="500"/>

src/creatures/players/player.cpp

@@ -486,6 +486,7 @@ void Player::updateInventoryImbuement()
 	for (auto item : getAllInventoryItems())
 	{
 		// Iterate through all imbuement slots on the item
+
 		for (uint8_t slotid = 0; slotid < item->getImbuementSlot(); slotid++)
 		{
 			ImbuementInfo imbuementInfo;
@@ -1375,7 +1376,7 @@ void Player::sendMarketEnter(uint32_t depotId)
 	if (!client || this->getLastDepotId() == -1 || !depotId) {
 		return;
 	}
-	
+
 	client->sendMarketEnter(depotId);
 }
 
@@ -2501,7 +2502,7 @@ void Player::death(Creature* lastHitCreature)
 			}
 		}
 		bool pvpDeath = false;
-		if(playerDmg > 0 || othersDmg > 0){
+		if (playerDmg > 0 || othersDmg > 0){
 			pvpDeath = (Player::lastHitIsPlayer(lastHitCreature) || playerDmg / (playerDmg + static_cast<double>(othersDmg)) >= 0.05);
 		}
 		if (pvpDeath && sumLevels > level) {
@@ -3575,7 +3576,7 @@ void Player::stashContainer(StashContainerList itemDict)
 	}
 
 	for (auto it : stashItems) {
-		if(!stashItemDict[it.first]) {
+		if (!stashItemDict[it.first]) {
 			stashItemDict[it.first] = it.second;
 		} else {
 			stashItemDict[it.first] += it.second;
@@ -3731,6 +3732,76 @@ std::vector<Item*> Player::getInventoryItemsFromId(uint16_t itemId, bool ignore
 	return itemVector;
 }
 
+std::array<double_t, COMBAT_COUNT> Player::getFinalDamageReduction() const
+{
+	std::array<double_t, COMBAT_COUNT> combatReductionArray;
+	combatReductionArray.fill(0);
+	calculateDamageReductionFromEquipedItems(combatReductionArray);
+	for (int combatTypeIndex = 0; combatTypeIndex < COMBAT_COUNT; combatTypeIndex++) {
+		combatReductionArray[combatTypeIndex] = std::clamp<double_t>(
+			std::floor(combatReductionArray[combatTypeIndex]),
+			-100.,
+			100.
+		);
+	}
+	return combatReductionArray;
+}
+
+void Player::calculateDamageReductionFromEquipedItems(std::array<double_t, COMBAT_COUNT> &combatReductionArray) const
+{
+	for (uint8_t slot = CONST_SLOT_FIRST; slot <= CONST_SLOT_LAST; ++slot) {
+		Item *item = inventory[slot];
+		if (item) {
+			calculateDamageReductionFromItem(combatReductionArray, item);
+		}
+	}
+}
+
+void Player::calculateDamageReductionFromItem(std::array<double_t, COMBAT_COUNT> &combatReductionArray, Item *item) const
+{
+	for (uint16_t combatTypeIndex = 0; combatTypeIndex < COMBAT_COUNT; combatTypeIndex++) {
+		updateDamageReductionFromItemImbuement(combatReductionArray, item, combatTypeIndex);
+		updateDamageReductionFromItemAbility(combatReductionArray, item, combatTypeIndex);
+	}
+}
+
+void Player::updateDamageReductionFromItemImbuement(
+	std::array<double_t, COMBAT_COUNT> &combatReductionArray, Item *item, uint16_t combatTypeIndex
+) const
+{
+	for (uint8_t imbueSlotId = 0; imbueSlotId < item->getImbuementSlot(); imbueSlotId++) {
+		ImbuementInfo imbuementInfo;
+		if (item->getImbuementInfo(imbueSlotId, &imbuementInfo) && imbuementInfo.imbuement) {
+			int16_t imbuementAbsorption = imbuementInfo.imbuement->absorbPercent[combatTypeIndex];
+			if (imbuementAbsorption != 0) {
+				combatReductionArray[combatTypeIndex] = calculateDamageReduction(combatReductionArray[combatTypeIndex], imbuementAbsorption);
+			}
+		}
+	}
+}
+
+void Player::updateDamageReductionFromItemAbility(
+	std::array<double_t, COMBAT_COUNT> &combatReductionArray, const Item *item, uint16_t combatTypeIndex
+) const
+{
+	if (!item) {
+		return;
+	}
+
+	const ItemType &itemType = Item::items[item->getID()];
+	if (itemType.abilities) {
+		int16_t elementReduction = itemType.abilities->absorbPercent[combatTypeIndex];
+		if (elementReduction != 0) {
+			combatReductionArray[combatTypeIndex] = calculateDamageReduction(combatReductionArray[combatTypeIndex], elementReduction);
+		}
+	}
+}
+
+double_t Player::calculateDamageReduction(double_t currentTotal, int16_t resistance) const
+{
+	return (100 - currentTotal) / 100.0 * resistance + currentTotal;
+}
+
 std::vector<Item*> Player::getAllInventoryItems(bool ignoreEquiped /*= false*/) const
 {
 	std::vector<Item*> itemVector;
@@ -4068,7 +4139,7 @@ void Player::doAttacking(uint32_t)
 			} else {
 				result = weapon->useWeapon(this, tool, attackedCreature);
 			}
-		} else if(hasWeaponDistanceEquipped()) {
+		} else if (hasWeaponDistanceEquipped()) {
 			return;
 		} else {
 			result = Weapon::useFist(this, attackedCreature);
@@ -5987,7 +6058,7 @@ std::string Player::getBlessingsName() const
 	std::ostringstream os;
 	for (uint8_t i = 1; i <= 8; i++) {
 		if (hasBlessing(i)) {
-			if (auto blessName = BlessingNames.find(static_cast<Blessings_t>(i)); 
+			if (auto blessName = BlessingNames.find(static_cast<Blessings_t>(i));
 			blessName != BlessingNames.end()) {
 				os << (*blessName).second;
 			} else {

src/creatures/players/player.h

@@ -71,7 +71,7 @@ struct ForgeHistory {
 	bool tierLoss = false;
 	bool successCore = false;
 	bool tierCore = false;
-	
+
 	std::string description;
 	std::string firstItemName;
 	std::string secondItemName;
@@ -382,7 +382,7 @@ class Player final : public Creature, public Cylinder
 		uint8_t getBlessingCount(uint8_t index) const {
 			return blessings[index - 1];
 		}
-		std::string getBlessingsName() const; 
+		std::string getBlessingsName() const;
 
 		bool isOffline() const {
 			return (getID() == 0);
@@ -2085,7 +2085,7 @@ class Player final : public Creature, public Cylinder
 		void forgeTransferItemTier(uint16_t donorItemId, uint8_t tier, uint16_t receiveItemId);
 		void forgeResourceConversion(uint8_t action);
 		void forgeHistory(uint8_t page) const;
-		
+
 		void sendOpenForge() const
 		{
 			if (client)
@@ -2181,6 +2181,8 @@ class Player final : public Creature, public Cylinder
 
 		void registerForgeHistoryDescription(ForgeHistory history);
 
+		std::map<uint16_t, Item*> getEquippedItemsWithEnabledAbilitiesBySlot() const;
+
 	private:
 		std::forward_list<Condition*> getMuteConditions() const;
 
@@ -2528,6 +2530,14 @@ class Player final : public Creature, public Cylinder
 		bool hasWeaponDistanceEquipped() const;
 
 		Item* getQuiverAmmoOfType(const ItemType &it) const;
+
+		std::array<double_t, COMBAT_COUNT> getFinalDamageReduction() const;
+		void calculateDamageReductionFromEquipedItems(std::array<double_t, COMBAT_COUNT> &combatReductionMap) const;
+		void calculateDamageReductionFromItem(std::array<double_t, COMBAT_COUNT> &combatReductionMap, Item *item) const;
+		void updateDamageReductionFromItemImbuement(std::array<double_t, COMBAT_COUNT> &combatReductionMap, Item *item, uint16_t combatTypeIndex) const;
+		void updateDamageReductionFromItemAbility(std::array<double_t, COMBAT_COUNT> &combatReductionMap, const Item *item, uint16_t combatTypeIndex) const;
+		double_t calculateDamageReduction(double_t currentTotal, int16_t resistance) const;
 };
 
+
 #endif  // SRC_CREATURES_PLAYERS_PLAYER_H_

src/server/network/protocol/protocolgame.cpp

@@ -158,7 +158,7 @@ void ProtocolGame::AddItem(NetworkMessage &msg, const Item *item)
 	}
 	else if (it.isSplash() || it.isFluidContainer())
 	{
-		msg.addByte(static_cast<uint8_t>(item->getFluidType()));  
+		msg.addByte(static_cast<uint8_t>(item->getFluidType()));
 	}
 	else if (it.isContainer())
 	{
@@ -3185,58 +3185,14 @@ void ProtocolGame::sendCyclopediaCharacterCombatStats()
 	auto startCombats = msg.getBufferPosition();
 	msg.skipBytes(1);
 
-	alignas(16) int16_t absorbs[COMBAT_COUNT] = {};
-	for (int32_t slot = CONST_SLOT_FIRST; slot <= CONST_SLOT_LAST; ++slot)
-	{
-		if (!player->isItemAbilityEnabled(static_cast<Slots_t>(slot)))
-		{
-			continue;
-		}
-
-		Item *item = player->getInventoryItem(static_cast<Slots_t>(slot));
-		if (!item)
-		{
-			continue;
-		}
-
-		const ItemType &it = Item::items[item->getID()];
-		if (!it.abilities)
-		{
-			continue;
-		}
-
-		if (COMBAT_COUNT == 12)
-		{
-			absorbs[0] += it.abilities->absorbPercent[0];
-			absorbs[1] += it.abilities->absorbPercent[1];
-			absorbs[2] += it.abilities->absorbPercent[2];
-			absorbs[3] += it.abilities->absorbPercent[3];
-			absorbs[4] += it.abilities->absorbPercent[4];
-			absorbs[5] += it.abilities->absorbPercent[5];
-			absorbs[6] += it.abilities->absorbPercent[6];
-			absorbs[7] += it.abilities->absorbPercent[7];
-			absorbs[8] += it.abilities->absorbPercent[8];
-			absorbs[9] += it.abilities->absorbPercent[9];
-			absorbs[10] += it.abilities->absorbPercent[10];
-			absorbs[11] += it.abilities->absorbPercent[11];
-		}
-		else
-		{
-			for (size_t i = 0; i < COMBAT_COUNT; ++i)
-			{
-				absorbs[i] += it.abilities->absorbPercent[i];
-			}
-		}
-	}
-
+	const std::array<double_t, COMBAT_COUNT> &damageReduction = player->getFinalDamageReduction();
 	static const Cipbia_Elementals_t cipbiaCombats[] = {CIPBIA_ELEMENTAL_PHYSICAL, CIPBIA_ELEMENTAL_ENERGY, CIPBIA_ELEMENTAL_EARTH, CIPBIA_ELEMENTAL_FIRE, CIPBIA_ELEMENTAL_UNDEFINED,
 														CIPBIA_ELEMENTAL_LIFEDRAIN, CIPBIA_ELEMENTAL_UNDEFINED, CIPBIA_ELEMENTAL_HEALING, CIPBIA_ELEMENTAL_DROWN, CIPBIA_ELEMENTAL_ICE, CIPBIA_ELEMENTAL_HOLY, CIPBIA_ELEMENTAL_DEATH};
-	for (size_t i = 0; i < COMBAT_COUNT; ++i)
-	{
-		if (absorbs[i] != 0)
-		{
+	for (size_t i = 0; i < COMBAT_COUNT; ++i) {
+		auto finalDamage = std::clamp<uint8_t>(static_cast<uint8_t>(damageReduction[i]), 0, 255);
+		if (finalDamage != 0) {
 			msg.addByte(cipbiaCombats[i]);
-			msg.addByte(std::max<int16_t>(-100, std::min<int16_t>(100, absorbs[i])));
+			msg.addByte(finalDamage);
 			++combats;
 		}
 	}
@@ -4574,7 +4530,7 @@ void ProtocolGame::sendForgeHistory(uint8_t page)
 			msg.addByte((history.bonus >= 1 && history.bonus < 8) ? 0x01 : 0x00);
 		}
 	}
-	
+
 	writeToOutputBuffer(msg);
 }
 
@@ -6225,7 +6181,7 @@ void ProtocolGame::sendPreyData(const PreySlot* slot)
 		msg.addByte(player->isPremium() ? 0x01 : 0x00);
 	} else if (slot->state == PreyDataState_Inactive) {
 			// Empty
-	} else if (slot->state == PreyDataState_Active) {	
+	} else if (slot->state == PreyDataState_Active) {
 		if (const MonsterType* mtype = g_monsters().getMonsterTypeByRaceId(slot->selectedRaceId)) {
 			msg.addString(mtype->name);
 			const Outfit_t outfit = mtype->info.outfit;
@@ -7329,7 +7285,7 @@ void ProtocolGame::parseDepotSearchItemRequest(NetworkMessage &msg)
 	if (Item::items[itemId].upgradeClassification > 0) {
 		itemTier = msg.getByte();
 	}
-	
+
 	addGameTask(&Game::playerRequestDepotSearchItem, player->getID(), itemId, itemTier);
 }
 
@@ -7341,7 +7297,7 @@ void ProtocolGame::parseRetrieveDepotSearch(NetworkMessage &msg)
 		itemTier = msg.getByte();
 	}
 	uint8_t type = msg.getByte();
-	
+
 	addGameTask(&Game::playerRequestDepotSearchRetrieve, player->getID(), itemId, itemTier, type);
 }
 
@@ -7355,7 +7311,7 @@ void ProtocolGame::parseOpenParentContainer(NetworkMessage &msg)
 void ProtocolGame::sendUpdateCreature(const Creature* creature)
 {
 	if (!creature || !player) {
-		return; 
+		return;
 	}
 
 	if (!canSee(creature))
@@ -7366,7 +7322,7 @@ void ProtocolGame::sendUpdateCreature(const Creature* creature)
 		return;
 	}
 
-	NetworkMessage msg; 
+	NetworkMessage msg;
 	msg.addByte(0x6B);
 	msg.addPosition(creature->getPosition());
 	msg.addByte(static_cast<uint8_t>(stackPos));