From 06958cb9cdba6baa1c44afb827aaa2294217b7fd Mon Sep 17 00:00:00 2001
From: David Markowitz <39972741+EmosewaMC@users.noreply.github.com>
Date: Sat, 4 Oct 2025 17:25:23 -0700
Subject: [PATCH] feat: hardcore limit % coins dropped on death (#1898)

* feat: hardcore limit % coins dropped on death

Update EntityManager.cpp

* fix log msg
---
 dGame/EntityManager.cpp                    |  2 ++
 dGame/EntityManager.h                      |  2 ++
 dGame/dComponents/DestroyableComponent.cpp | 18 ++++++++++++++----
 resources/worldconfig.ini                  |  3 +++
 4 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/dGame/EntityManager.cpp b/dGame/EntityManager.cpp
index 026fc02a..12be2e06 100644
--- a/dGame/EntityManager.cpp
+++ b/dGame/EntityManager.cpp
@@ -87,6 +87,8 @@ void EntityManager::ReloadConfig() {
 	auto hcXpReduction = Game::config->GetValue("hardcore_uscore_reduction");
 	m_HardcoreUscoreReduction = hcXpReduction.empty() ? 1.0f : GeneralUtils::TryParse<float>(hcXpReduction).value_or(1.0f);
 	m_HardcoreMode = GetHardcoreDisabledWorlds().contains(Game::zoneManager->GetZoneID().GetMapID()) ? false : m_HardcoreMode;
+	auto hcCoinKeep = Game::config->GetValue("hardcore_coin_keep");
+	m_HardcoreCoinKeep = hcCoinKeep.empty() ? false : GeneralUtils::TryParse<float>(hcCoinKeep).value_or(0.0f);
 }
 
 void EntityManager::Initialize() {
diff --git a/dGame/EntityManager.h b/dGame/EntityManager.h
index 549c922e..26daf750 100644
--- a/dGame/EntityManager.h
+++ b/dGame/EntityManager.h
@@ -81,6 +81,7 @@ public:
 	const std::set<LOT>& GetHardcoreUscoreReducedLots() const { return m_HardcoreUscoreReducedLots; };
 	const std::set<LOT>& GetHardcoreUscoreExcludedEnemies() const { return m_HardcoreUscoreExcludedEnemies; };
 	const std::set<LWOMAPID>& GetHardcoreDisabledWorlds() const { return m_HardcoreDisabledWorlds; };
+	float GetHardcoreCoinKeep() const { return m_HardcoreCoinKeep; }
 
 	// Messaging
 	bool SendMessage(GameMessages::GameMsg& msg) const;
@@ -125,6 +126,7 @@ private:
 	std::set<LOT> m_HardcoreUscoreReducedLots{};
 	std::set<LOT> m_HardcoreUscoreExcludedEnemies{};
 	std::set<LWOMAPID> m_HardcoreDisabledWorlds{};
+	float m_HardcoreCoinKeep{};
 };
 
 #endif // ENTITYMANAGER_H
diff --git a/dGame/dComponents/DestroyableComponent.cpp b/dGame/dComponents/DestroyableComponent.cpp
index f86cd8e4..e03efd43 100644
--- a/dGame/dComponents/DestroyableComponent.cpp
+++ b/dGame/dComponents/DestroyableComponent.cpp
@@ -786,7 +786,7 @@ void DestroyableComponent::Smash(const LWOOBJID source, const eKillType killType
 		}
 	} else {
 		//Check if this zone allows coin drops
-		if (Game::zoneManager->GetPlayerLoseCoinOnDeath()) {
+		if (Game::zoneManager->GetPlayerLoseCoinOnDeath() && !Game::entityManager->GetHardcoreMode()) {
 			auto* character = m_Parent->GetCharacter();
 			uint64_t coinsTotal = character->GetCoins();
 			const uint64_t minCoinsToLose = Game::zoneManager->GetWorldConfig().coinsLostOnDeathMin;
@@ -1012,13 +1012,23 @@ void DestroyableComponent::DoHardcoreModeDrops(const LWOOBJID source) {
 		//get character:
 		auto* chars = m_Parent->GetCharacter();
 		if (chars) {
-			auto coins = chars->GetCoins();
+			auto oldCoins = chars->GetCoins();
+			// Floor this so there arent coins generated from rounding
+			auto coins = static_cast<uint64_t>(oldCoins * Game::entityManager->GetHardcoreCoinKeep());
+			auto coinsToDrop = oldCoins - coins;
+			LOG("Player had %llu coins, will lose %i coins to have %i", oldCoins, coinsToDrop, coins);
 
 			//lose all coins:
-			chars->SetCoins(0, eLootSourceType::NONE);
+			chars->SetCoins(coins, eLootSourceType::NONE);
 
 			//drop all coins:
-			GameMessages::SendDropClientLoot(m_Parent, source, LOT_NULL, coins, m_Parent->GetPosition());
+			constexpr auto MAX_TO_DROP_PER_GM = 100'000;
+			while (coinsToDrop > MAX_TO_DROP_PER_GM) {
+				LOG("Dropping 100,000, %llu left", coinsToDrop);
+				GameMessages::SendDropClientLoot(m_Parent, source, LOT_NULL, MAX_TO_DROP_PER_GM, m_Parent->GetPosition());
+				coinsToDrop -= MAX_TO_DROP_PER_GM;
+			}
+			GameMessages::SendDropClientLoot(m_Parent, source, LOT_NULL, coinsToDrop, m_Parent->GetPosition());
 		}
 		return;
 	}
diff --git a/resources/worldconfig.ini b/resources/worldconfig.ini
index 9631183a..38350086 100644
--- a/resources/worldconfig.ini
+++ b/resources/worldconfig.ini
@@ -99,3 +99,6 @@ hardcore_uscore_excluded_enemies=
 
 # Disables hardcore mode for specific worlds, if hardcore is enabled
 hardcore_disabled_worlds=
+
+# Keeps this percentage of a players' coins on death in hardcore
+hardcore_coin_keep=