1 files changed, 85 insertions, 0 deletions
diff --git a/src/script/api/script_log.hpp b/src/script/api/script_log.hpp
new file mode 100644
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+++ b/src/script/api/script_log.hpp
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+/* $Id$ */
+
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file script_log.hpp Everything to handle and issue log messages. */
+
+#ifndef SCRIPT_LOG_HPP
+#define SCRIPT_LOG_HPP
+
+#include "script_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:
+#ifndef EXPORT_SKIP
+	/**
+	 * 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.
+	};
+#endif /* EXPORT_SKIP */
+
+	/**
+	 * 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);
+
+#ifndef EXPORT_SKIP
+	/**
+	 * Free the log pointer.
+	 * @note DO NOT CALL YOURSELF; leave it to the internal AI programming.
+	 */
+	static void FreeLogPointer();
+#endif /* EXPORT_SKIP */
+
+private:
+	/**
+	 * Internal command to log the message in a common way.
+	 */
+	static void Log(AILog::AILogType level, const char *message);
+};
+
+#endif /* SCRIPT_LOG_HPP */