[Commands] Add #countitem Command. (#1842)

* [Commands] Add #countitem Command.
- Add #countitem [Item ID] command to count an item by ID on yourself or your player/NPC target.

* Cleanup.

zone/CMakeLists.txt

@@ -308,6 +308,7 @@ SET(gm_commands
     gm_commands/copycharacter.cpp
     gm_commands/corpse.cpp
     gm_commands/corpsefix.cpp
+    gm_commands/countitem.cpp
     gm_commands/cvs.cpp
     gm_commands/damage.cpp
     gm_commands/databuckets.cpp

zone/command.cpp

@@ -140,6 +140,7 @@ int command_init(void)
 		command_add("copycharacter", "[source_char_name] [dest_char_name] [dest_account_name] Copies character to destination account", AccountStatus::GMImpossible, command_copycharacter) ||
 		command_add("corpse", "- Manipulate corpses, use with no arguments for help", AccountStatus::Guide, command_corpse) ||
 		command_add("corpsefix", "Attempts to bring corpses from underneath the ground within close proximity of the player", AccountStatus::Player, command_corpsefix) ||
+		command_add("countitem", "[Item ID] - Counts the specified Item ID in your or your target's inventory", AccountStatus::GMLeadAdmin, command_countitem) ||
 		command_add("cvs", "- Summary of client versions currently online.", AccountStatus::GMMgmt, command_cvs) ||
 		command_add("damage", "[Amount] - Damage yourself or your target", AccountStatus::GMAdmin, command_damage) ||
 		command_add("databuckets", "View|Delete [key] [limit]- View data buckets, limit 50 default or Delete databucket by key", AccountStatus::QuestTroupe, command_databuckets) ||

zone/command.h

@@ -48,6 +48,7 @@ void command_checklos(Client *c, const Seperator *sep);
 void command_copycharacter(Client *c, const Seperator *sep);
 void command_corpse(Client *c, const Seperator *sep);
 void command_corpsefix(Client *c, const Seperator *sep);
+void command_countitem(Client *c, const Seperator *sep);
 void command_cvs(Client *c, const Seperator *sep);
 void command_damage(Client *c, const Seperator *sep);
 void command_databuckets(Client *c, const Seperator *sep);

zone/gm_commands/countitem.cpp

@@ -0,0 +1,64 @@
+#include "../client.h"
+
+void command_countitem(Client *c, const Seperator *sep)
+{
+	int arguments = sep->argnum;
+	if (!arguments || !sep->IsNumber(1)) {
+		c->Message(Chat::White, "Usage: #countitem [Item ID]");
+		return;
+	}
+
+	Mob* target = c;
+	if (
+		c->GetTarget() &&
+		(
+			c->GetTarget()->IsClient() ||
+			c->GetTarget()->IsNPC()
+		)
+	) {
+		target = c->GetTarget();
+	}
+	
+	auto item_id = std::stoul(sep->arg[1]);
+	if (!database.GetItem(item_id)) {
+		c->Message(
+			Chat::White,
+			fmt::format(
+				"Item ID {} could not be found.",
+				item_id
+			).c_str()
+		);
+		return;
+	}
+
+	uint16 item_count = 0;
+	if (target->IsClient()) {
+		item_count = target->CastToClient()->CountItem(item_id);
+	} else if (target->IsNPC()) {
+		item_count = target->CastToNPC()->CountItem(item_id);
+	}
+
+	c->Message(
+		Chat::White,
+		fmt::format(
+			"{} {} {} {}.",
+			(
+				c == target ?
+				"You" :
+				fmt::format(
+					"{} ({})",
+					target->GetCleanName(),
+					target->GetID()
+				)
+			),
+			c == target ? "have" : "has",
+			(
+				item_count ?
+				std::to_string(item_count) :
+				"no"
+			),
+			database.CreateItemLink(item_id)
+		).c_str()
+	);
+}
+