/* Are we only interested in the estimate costs? */

	bool estimate_only = GetDoCommandMode() != NULL && !GetDoCommandMode()();

	/* Only set p2 when the command does not come from the network. */

	if (GetCommandFlags(cmd) & CMD_CLIENT_ID && p2 == 0) p2 = UINT32_MAX;

	/* Try to perform the command. */

	CommandCost res = ::DoCommandPInternal(tile, p1, p2, cmd, (_networking && !_generating_world) ? ScriptObject::GetActiveInstance()->GetDoCommandCallback() : NULL, text, false, estimate_only);