diff --git a/src/ai/api/ai_log.hpp b/src/ai/api/ai_log.hpp new file mode 100644 --- /dev/null +++ b/src/ai/api/ai_log.hpp @@ -0,0 +1,76 @@ +/* $Id$ */ + +/** @file ai_log.hpp Everything to handle and issue log messages. */ + +#ifndef AI_LOG_HPP +#define AI_LOG_HPP + +#include "ai_object.hpp" + +/** + * Class that handles all log related functions. + */ +class AILog : public AIObject { + /* AIController needs access to Enum and Log, in order to keep the flow from + * OpenTTD core to NoAI API clear and simple. */ + friend class AIController; + +public: + static const char *GetClassName() { return "AILog"; } + + /** + * Log levels; The value is also feed to DEBUG() lvl. + * This has no use for you, as AI writer. + */ + enum AILogType { + LOG_SQ_ERROR = 0, //!< Squirrel printed an error. + LOG_ERROR = 1, //!< User printed an error. + LOG_SQ_INFO = 2, //!< Squirrel printed some info. + LOG_WARNING = 3, //!< User printed some warning. + LOG_INFO = 4, //!< User printed some info. + }; + + /** + * Internal representation of the log-data inside the AI. + * This has no use for you, as AI writer. + */ + struct LogData { + char **lines; //!< The log-lines. + AILog::AILogType *type; //!< Per line, which type of log it was. + int count; //!< Total amount of log-lines possible. + int pos; //!< Current position in lines. + int used; //!< Total amount of used log-lines. + }; + + /** + * Print an Info message to the logs. + * @param message The message to log. + */ + static void Info(const char *message); + + /** + * Print a Warning message to the logs. + * @param message The message to log. + */ + static void Warning(const char *message); + + /** + * Print an Error message to the logs. + * @param message The message to log. + */ + static void Error(const char *message); + + /** + * Free the log pointer. + * @note DO NOT CALL YOURSELF; leave it to the internal AI programming. + */ + static void FreeLogPointer(); + +private: + /** + * Internal command to log the message in a common way. + */ + static void Log(AILog::AILogType level, const char *message); +}; + +#endif /* AI_LOG_HPP */