[GM Commands] Split GM Commands Into Separate Files (#1766)

* Split GM commands into their own files

* Code cleanup

zone/gm_commands/interrogateinv.cpp

@@ -0,0 +1,76 @@
+#include "../client.h"
+
+void command_interrogateinv(Client *c, const Seperator *sep)
+{
+	// 'command_interrogateinv' is an in-memory inventory interrogation tool only.
+	//
+	// it does not verify against actual database entries..but, the output can be
+	// used to verify that something has been corrupted in a player's inventory.
+	// any error condition should be assumed that the item in question will be
+	// lost when the player logs out or zones (or incurrs any action that will
+	// consume the Client-Inventory object instance in question.)
+	//
+	// any item instances located at a greater depth than a reported error should
+	// be treated as an error themselves regardless of whether they report as the
+	// same or not.
+
+	if (strcasecmp(sep->arg[1], "help") == 0) {
+		if (c->Admin() < commandInterrogateInv) {
+			c->Message(Chat::White, "Usage: #interrogateinv");
+			c->Message(Chat::White, "  Displays your inventory's current in-memory nested storage references");
+		}
+		else {
+			c->Message(Chat::White, "Usage: #interrogateinv [log] [silent]");
+			c->Message(
+				Chat::White,
+				"  Displays your or your Player target inventory's current in-memory nested storage references"
+			);
+			c->Message(Chat::White, "  [log] - Logs interrogation to file");
+			c->Message(Chat::White, "  [silent] - Omits the in-game message portion of the interrogation");
+		}
+		return;
+	}
+
+	Client                                    *target   = nullptr;
+	std::map<int16, const EQ::ItemInstance *> instmap;
+	bool                                      log       = false;
+	bool                                      silent    = false;
+	bool                                      error     = false;
+	bool                                      allowtrip = false;
+
+	if (c->Admin() < commandInterrogateInv) {
+		if (c->GetInterrogateInvState()) {
+			c->Message(Chat::Red, "The last use of #interrogateinv on this inventory instance discovered an error...");
+			c->Message(Chat::Red, "Logging out, zoning or re-arranging items at this point will result in item loss!");
+			return;
+		}
+		target    = c;
+		allowtrip = true;
+	}
+	else {
+		if (c->GetTarget() == nullptr) {
+			target = c;
+		}
+		else if (c->GetTarget()->IsClient()) {
+			target = c->GetTarget()->CastToClient();
+		}
+		else {
+			c->Message(Chat::Default, "Use of this command is limited to Client entities");
+			return;
+		}
+
+		if (strcasecmp(sep->arg[1], "log") == 0) {
+			log = true;
+		}
+		if (strcasecmp(sep->arg[2], "silent") == 0) {
+			silent = true;
+		}
+	}
+
+	bool success = target->InterrogateInventory(c, log, silent, allowtrip, error);
+
+	if (!success) {
+		c->Message(Chat::Red, "An unknown error occurred while processing Client::InterrogateInventory()");
+	}
+}
+