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

* Split GM commands into their own files

* Code cleanup

zone/gm_commands/ban.cpp

@@ -0,0 +1,72 @@
+#include "../client.h"
+#include "../worldserver.h"
+
+extern WorldServer worldserver;
+
+void command_ban(Client *c, const Seperator *sep)
+{
+	if (sep->arg[1][0] == 0 || sep->arg[2][0] == 0) {
+		c->Message(Chat::White, "Usage: #ban <charname> <message>");
+		return;
+	}
+
+	auto account_id = database.GetAccountIDByChar(sep->arg[1]);
+
+	std::string message;
+	int         i   = 2;
+	while (1) {
+		if (sep->arg[i][0] == 0) {
+			break;
+		}
+
+		if (message.length() > 0) {
+			message.push_back(' ');
+		}
+
+		message += sep->arg[i];
+		++i;
+	}
+
+	if (message.length() == 0) {
+		c->Message(Chat::White, "Usage: #ban <charname> <message>");
+		return;
+	}
+
+	if (account_id == 0) {
+		c->Message(Chat::Red, "Character does not exist.");
+		return;
+	}
+
+	std::string query   = StringFormat(
+		"UPDATE account SET status = -2, ban_reason = '%s' "
+		"WHERE id = %i", EscapeString(message).c_str(), account_id
+	);
+	auto        results = database.QueryDatabase(query);
+
+	c->Message(
+		Chat::Red,
+		"Account number %i with the character %s has been banned with message: \"%s\"",
+		account_id,
+		sep->arg[1],
+		message.c_str());
+
+	ServerPacket flagUpdatePack(ServerOP_FlagUpdate, 6);
+	*((uint32 *) &flagUpdatePack.pBuffer[0]) = account_id;
+	*((int16 *) &flagUpdatePack.pBuffer[4])  = -2;
+	worldserver.SendPacket(&flagUpdatePack);
+
+	Client *client = nullptr;
+	client                       = entity_list.GetClientByName(sep->arg[1]);
+	if (client) {
+		client->WorldKick();
+		return;
+	}
+
+	ServerPacket            kickPlayerPack(ServerOP_KickPlayer, sizeof(ServerKickPlayer_Struct));
+	ServerKickPlayer_Struct *skp = (ServerKickPlayer_Struct *) kickPlayerPack.pBuffer;
+	strcpy(skp->adminname, c->GetName());
+	strcpy(skp->name, sep->arg[1]);
+	skp->adminrank = c->Admin();
+	worldserver.SendPacket(&kickPlayerPack);
+}
+