[Loot] Add #lootsim (Loot Simulator) command (#2375)

* [Loot] Add #lootsim (Loot Simulator) command * Validation * Add global loot
2026-05-31 13:16:39 +00:00 · 2022-08-20 01:16:09 -07:00
parent 6232a64cdb
commit 607871a7ac
6 changed files with 252 additions and 5 deletions
@@ -0,0 +1,198 @@
+#include "../client.h"
+
+void command_lootsim(Client *c, const Seperator *sep)
+{
+	int arguments = sep->argnum;
+	if (arguments < 3 || !sep->IsNumber(1) || !sep->IsNumber(2) || !sep->IsNumber(3)) {
+		c->Message(Chat::White, "Usage: #lootsim [npc_type_id] [loottable_id] [iterations] [loot_log_enabled=0]");
+		return;
+	}
+
+	auto npc_id       = std::stoul(sep->arg[1]);
+	auto loottable_id = std::stoul(sep->arg[2]);
+	auto iterations   = std::stoul(sep->arg[3]) > 1000 ? 1000 : std::stoul(sep->arg[3]);
+	auto log_enabled  = arguments > 3 ? std::stoul(sep->arg[4]) : false;
+
+	// temporarily disable loot logging unless set explicitly
+	LogSys.log_settings[Logs::Loot].log_to_console = log_enabled ? LogSys.log_settings[Logs::Loot].log_to_console : 0;
+	LogSys.log_settings[Logs::Loot].log_to_file    = log_enabled ? LogSys.log_settings[Logs::Loot].log_to_file : 0;
+	LogSys.log_settings[Logs::Loot].log_to_gmsay   = log_enabled ? LogSys.log_settings[Logs::Loot].log_to_gmsay : 0;
+
+	auto npc_type = content_db.LoadNPCTypesData(npc_id);
+	if (npc_type) {
+		auto npc = new NPC(npc_type, nullptr, c->GetPosition(), GravityBehavior::Water);
+		if (npc) {
+
+			BenchTimer benchmark;
+
+			npc->SetRecordLootStats(true);
+			for (int i = 0; i < iterations; i++) {
+				npc->AddLootTable(loottable_id);
+
+				for (auto &id: zone->GetGlobalLootTables(npc)) {
+					npc->AddLootTable(id);
+				}
+			}
+
+			entity_list.AddNPC(npc);
+
+			c->SendChatLineBreak();
+			c->Message(
+				Chat::White,
+				fmt::format(
+					"# [Loot Simulator] NPC [{}] ({}) Loot Table ID [{}] Dropped Items [{}] iterations [{}]",
+					npc->GetCleanName(),
+					npc_id,
+					loottable_id,
+					npc->GetRolledItems().size(),
+					iterations
+				).c_str()
+			);
+			c->SendChatLineBreak();
+
+			// npc level loot table
+			auto loot_table = database.GetLootTable(loottable_id);
+			if (!loot_table) {
+				c->Message(Chat::Red, "Loot table not found");
+				return;
+			}
+
+			for (uint32 i = 0; i < loot_table->NumEntries; i++) {
+				auto le = loot_table->Entries[i];
+
+				c->Message(
+					Chat::White,
+					fmt::format(
+						"# Lootdrop ID [{}] drop_limit [{}] min_drop [{}] mult [{}] probability [{}]",
+						le.lootdrop_id,
+						le.droplimit,
+						le.mindrop,
+						le.multiplier,
+						le.probability
+					).c_str()
+				);
+
+				auto loot_drop = database.GetLootDrop(le.lootdrop_id);
+				if (!loot_drop) {
+					continue;
+				}
+
+				for (uint32 ei = 0; ei < loot_drop->NumEntries; ei++) {
+					auto               e            = loot_drop->Entries[ei];
+					int                rolled_count = npc->GetRolledItemCount(e.item_id);
+					const EQ::ItemData *item        = database.GetItem(e.item_id);
+
+					EQ::SayLinkEngine linker;
+					linker.SetLinkType(EQ::saylink::SayLinkItemData);
+					linker.SetItemData(item);
+
+					auto rolled_percentage = (float) ((float) ((float) rolled_count / (float) iterations) * 100);
+
+					c->Message(
+						Chat::White,
+						fmt::format(
+							"-- [{}] item_id [{}] chance [{}] rolled_count [{}] ({:.2f}%) name [{}]",
+							ei,
+							e.item_id,
+							e.chance,
+							rolled_count,
+							rolled_percentage,
+							linker.GenerateLink()
+						).c_str()
+					);
+				}
+			}
+
+
+			// global loot
+			auto tables = zone->GetGlobalLootTables(npc);
+			if (!tables.empty()) {
+				c->SendChatLineBreak();
+				c->Message(Chat::White, "# [Loot Simulator] Global Loot");
+			}
+
+			for (auto &id: tables) {
+				c->SendChatLineBreak();
+				c->Message(Chat::White, fmt::format("# Global Loot Table ID [{}]", id).c_str());
+				c->SendChatLineBreak();
+
+				loot_table = database.GetLootTable(id);
+				if (!loot_table) {
+					c->Message(Chat::Red, fmt::format("Global Loot table not found [{}]", id).c_str());
+					continue;
+				}
+
+				for (uint32 i = 0; i < loot_table->NumEntries; i++) {
+					auto le = loot_table->Entries[i];
+
+					c->Message(
+						Chat::White,
+						fmt::format(
+							"# Lootdrop ID [{}] drop_limit [{}] min_drop [{}] mult [{}] probability [{}]",
+							le.lootdrop_id,
+							le.droplimit,
+							le.mindrop,
+							le.multiplier,
+							le.probability
+						).c_str()
+					);
+
+					auto loot_drop = database.GetLootDrop(le.lootdrop_id);
+					if (!loot_drop) {
+						continue;
+					}
+
+					for (uint32 ei = 0; ei < loot_drop->NumEntries; ei++) {
+						auto               e            = loot_drop->Entries[ei];
+						int                rolled_count = npc->GetRolledItemCount(e.item_id);
+						const EQ::ItemData *item        = database.GetItem(e.item_id);
+
+						EQ::SayLinkEngine linker;
+						linker.SetLinkType(EQ::saylink::SayLinkItemData);
+						linker.SetItemData(item);
+
+						auto rolled_percentage = (float) ((float) ((float) rolled_count / (float) iterations) * 100);
+
+						c->Message(
+							Chat::White,
+							fmt::format(
+								"-- [{}] item_id [{}] chance [{}] rolled_count [{}] ({:.2f}%) name [{}]",
+								ei,
+								e.item_id,
+								e.chance,
+								rolled_count,
+								rolled_percentage,
+								linker.GenerateLink()
+							).c_str()
+						);
+					}
+				}
+			}
+
+
+			c->SendChatLineBreak();
+			c->Message(
+				Chat::White,
+				fmt::format(
+					"# Global Loot Benchmark End [{}] iterations took [{}](s)",
+					iterations,
+					benchmark.elapsed()
+				).c_str()
+			);
+			c->SendChatLineBreak();
+
+			LogSys.LoadLogDatabaseSettings();
+		}
+	}
+	else {
+		c->Message(
+			Chat::White,
+			fmt::format(
+				"Failed to spawn NPC ID {}.",
+				npc_id
+			).c_str()
+		);
+	}
+}
+
+