From 6032f406ad9d9dee98760ce30f92dc300da92fb0 Mon Sep 17 00:00:00 2001 From: rubidium Date: Wed, 23 Sep 2009 16:07:17 +0000 Subject: (svn r17621) -Document [FS#3216]: most of the functions an AI can/must use in their instantiation of AIInfo. --- src/ai/api/ai_info_docs.hpp | 172 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 src/ai/api/ai_info_docs.hpp (limited to 'src/ai/api/ai_info_docs.hpp') diff --git a/src/ai/api/ai_info_docs.hpp b/src/ai/api/ai_info_docs.hpp new file mode 100644 index 000000000..90bfb298d --- /dev/null +++ b/src/ai/api/ai_info_docs.hpp @@ -0,0 +1,172 @@ +/* $Id$ */ + +/* + * 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 . + */ + +/** @file ai_info_docs.hpp Description of the functions an AI can/must provide in AIInfo. */ + +/* This file exists purely for doxygen purposes. */ +#ifdef DOXYGEN_SKIP +/** + * 'Abstract' class of the class AIs/AI libraries use to register themselves. + * + * @note This class is not part of the API. It is purely to document what + * AIs must or can implemented to provide information to OpenTTD to + * base configuring/starting/loading the AI on. + * + * @note The required functions are also needed for AI Libraries. As such + * the information here can be used for libraries, but the information + * will not be shown in the GUI except for error/debug messages. + */ +class AIInfo { +public: + /** + * Gets the author name to be shown in the 'Available AIs' window. + * + * @return The author name of the AI. + * @note This function is required. + */ + string GetAuthor(); + + /** + * Gets the AIs name. This is shown in the 'Available AIs' window + * and at all other places where the AI is mentioned, like the debug + * window or OpenTTD's help message. The name is used to uniquely + * identify an AI within OpenTTD and this name is used in savegames + * and the configuration file. + * + * @return The name of the AI. + * @note This function is required. + */ + string GetName(); + + /** + * Gets a 4 ASCII character short name of the AI to uniquely + * identify it from other AIs. The short name is primarily + * used as unique identifier for the content system. + * The content system uses besides the short name also the + * MD5 checksum of all the source files to uniquely identify + * a specific version of the AI. + * + * The short name must consist of precisely four ASCII + * characters, or more precisely four non-zero bytes. + * + * @return The name of the AI. + * @note This function is required. + */ + string GetShortName(); + + /** + * Gets the description to be shown in the 'Available AIs' window. + * + * @return The description for the AI. + * @note This function is required. + */ + string GetDescription(); + + /** + * Gets the version of the AI. This is a number to (in theory) + * uniquely identify the versions of an AI. Generally the + * 'instance' of an AI with the highest version is chosen to + * be loaded. + * + * When OpenTTD finds, during starting, a duplicate AI with the + * same version number one is randomly chosen. So it is + * important that this number is regularly updated/incremented. + * + * @return The version number of the AI. + * @note This function is required. + */ + int GetVersion(); + + /** + * Gets the lowest version of the AI that OpenTTD can still load + * the savegame of. In other words, from which version until this + * version can the AI load the savegames. + * + * If this function does not exist OpenTTD assumes it can only + * load savegames of this version. As such it will not upgrade + * to this version upon load. + * + * @return The lowest version number we load the savegame data. + * @note This function is optional. + */ + int MinVersionToLoad(); + + /** + * Gets the development/release date of the AI. + * + * The intention of this is to give the user an idea how old the + * AI is and whether there might be a newer version. + * + * @return The development/release date for the AI. + * @note This function is required. + */ + string GetDate(); + + /** + * Can this AI be used as random AI? + * + * The idea behind this function is to 'forbid' highly + * competitive or other special AIs from running in games unless + * the user explicitly selects the AI to be loaded. This to + * try to prevent users from complaining that the AI is too + * aggressive or does not build profitable routes. + * + * If this function does not exist OpenTTD assumes the AI can + * be used as random AI. As such it will be randomly chosen. + * + * @return True if the AI can be used as random AI. + * @note This function is optional. + */ + bool UseAsRandomAI(); + + /** + * Gets the name of main class of the AI so OpenTTD knows + * what class to instantiate. + * + * @return The class name of the AI. + * @note This function is required. + */ + string CreateInstance(); + + /** + * Gets the API version this AI is written for. If this function + * does not exist API compatability with version 0.7 is assumed. + * If the function returns something OpenTTD does not understand, + * for example a newer version or a string that is not a version, + * the AI will not be loaded. + * + * Although in the future we might need to make a separate + * compatability 'wrapper' for a specific version of OpenTTD, for + * example '0.7.1', we will use only the major and minor number + * and not the bugfix number as valid return for this function. + * + * Valid return values are: + * - "0.7" + * - "0.8" + * + * @return The version this AI is compatible with. + * @note This function is optional. + */ + string GetAPIVersion(); + + /** + * Gets the URL to be shown in the 'this AI has crashed' message + * and in the 'Available AIs' window. If this function does not + * exist no URL will be shown. + * + * This function purely exists to redirect users of the AI to the + * right place on the internet to discuss the AI and report bugs + * of this AI. + * + * @return The URL to show. + * @note This function is optional. + */ + string GetURL(); +}; +#endif -- cgit v1.2.3-54-g00ecf