plugins/include/sourcemod.inc
author David Anderson <dvander@alliedmods.net>
Sun Apr 06 08:20:02 2008 +0000 (2008-04-06)
changeset 1970 316eff8d8164
parent 1952 b7aa2b626807
child 1972 3ff99318dc01
permissions -rw-r--r--
added regex versioning to windows
     1 /**
     2  * vim: set ts=4 :
     3  * =============================================================================
     4  * SourceMod (C)2004-2008 AlliedModders LLC.  All rights reserved.
     5  * =============================================================================
     6  *
     7  * This file is part of the SourceMod/SourcePawn SDK.
     8  *
     9  * This program is free software; you can redistribute it and/or modify it under
    10  * the terms of the GNU General Public License, version 3.0, as published by the
    11  * Free Software Foundation.
    12  * 
    13  * This program is distributed in the hope that it will be useful, but WITHOUT
    14  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    15  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    16  * details.
    17  *
    18  * You should have received a copy of the GNU General Public License along with
    19  * this program.  If not, see <http://www.gnu.org/licenses/>.
    20  *
    21  * As a special exception, AlliedModders LLC gives you permission to link the
    22  * code of this program (as well as its derivative works) to "Half-Life 2," the
    23  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    24  * by the Valve Corporation.  You must obey the GNU General Public License in
    25  * all respects for all other code used.  Additionally, AlliedModders LLC grants
    26  * this exception to all derivative works.  AlliedModders LLC defines further
    27  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    28  * or <http://www.sourcemod.net/license.php>.
    29  *
    30  * Version: $Id$
    31  */
    32 
    33 #if defined _sourcemod_included
    34  #endinput
    35 #endif
    36 #define _sourcemod_included
    37 
    38 /**
    39  * Plugin public information.
    40  */
    41 struct Plugin
    42 {
    43    const String:name[],			/**< Plugin Name */
    44    const String:description[],	/**< Plugin Description */
    45    const String:author[],		/**< Plugin Author */
    46    const String:version[],		/**< Plugin Version */
    47    const String:url[],			/**< Plugin URL */
    48 };
    49 
    50 #include <core>
    51 #include <float>
    52 #include <vector>
    53 #include <string>
    54 #include <handles>
    55 #include <functions>
    56 #include <files>
    57 #include <logging>
    58 #include <timers>
    59 #include <admin>
    60 #include <dbi>
    61 #include <lang>
    62 #include <sorting>
    63 #include <textparse>
    64 #include <clients>
    65 #include <console>
    66 #include <events>
    67 #include <bitbuffer>
    68 #include <usermessages>
    69 #include <keyvalues>
    70 #include <menus>
    71 #include <halflife>
    72 #include <adt>
    73 #include <banning>
    74 #include <commandfilters>
    75 
    76 /**
    77  * Declare this as a struct in your plugin to expose its information.
    78  * Example:
    79  *
    80  * public Plugin:myinfo =
    81  * {
    82  *    name = "My Plugin",
    83  *    //etc
    84  * };
    85  */
    86 public Plugin:myinfo;
    87  
    88 /**
    89  * Called when the plugin is fully initialized and all known external references 
    90  * are resolved. This is only called once in the lifetime of the plugin, and is 
    91  * paired with OnPluginEnd().
    92  *
    93  * If any run-time error is thrown during this callback, the plugin will be marked 
    94  * as failed.
    95  *
    96  * It is not necessary to close any handles or remove hooks in this function.  
    97  * SourceMod guarantees that plugin shutdown automatically and correctly releases 
    98  * all resources.
    99  *
   100  * @noreturn
   101  */
   102 forward OnPluginStart();
   103  
   104 /**
   105  * Called before OnPluginStart, in case the plugin wants to check for load failure.
   106  * This is called even if the plugin type is "private."  Any natives from modules are 
   107  * not available at this point.  Thus, this forward should only be used for explicit 
   108  * pre-emptive things, such as adding dynamic natives, or setting certain types of load filters.
   109  * 
   110  * @note It is not safe to call externally resolved natives until OnPluginStart().
   111  * @note Any sort of RTE in this function will cause the plugin to fail loading.
   112  * @note You MUST remember to return SOMETHING here.  The act of not returning is 
   113  *       equivalent to returning 0 (false).  If you forgot to return, it will 
   114  *       cause your plugin to not load with a very strange error message.
   115  *
   116  * @param myself	Handle to the plugin.
   117  * @param late		Whether or not the plugin was loaded "late" (after map load).
   118  * @param error		Error message buffer in case load failed.
   119  * @param err_max	Maximum number of characters for error message buffer.
   120  * @return			True if load success, false otherwise.
   121  */
   122 forward bool:AskPluginLoad(Handle:myself, bool:late, String:error[], err_max);
   123 
   124 /**
   125  * Called when the plugin is about to be unloaded.
   126  *
   127  * @noreturn
   128  */
   129 forward OnPluginEnd();
   130 
   131 /**
   132  * Called when the plugin's pause status is changing.
   133  *
   134  * @param pause			True if the plugin is being paused, false otherwise.
   135  * @noreturn
   136  */
   137 forward OnPluginPauseChange(bool:pause);
   138 
   139 /**
   140  * Called before every server frame.  Note that you should avoid
   141  * doing expensive computations here, and you should declare large
   142  * local arrays using 'decl' instead of 'new'.
   143  */
   144 forward OnGameFrame();
   145 
   146 /**
   147  * Called when the map is loaded.
   148  *
   149  * @note This used to be OnServerLoad(), which is now deprecated.
   150  * Plugins still using the old forward will work.
   151  */
   152 forward OnMapStart();
   153 
   154 /**
   155  * Called right before a map ends.
   156  */
   157 forward OnMapEnd();
   158 
   159 /**
   160  * Called when the map has loaded, servercfgfile (server.cfg) has been 
   161  * executed, and all plugin configs are done executing.  This is the best
   162  * place to initialize plugin functions which are based on cvar data.  
   163  *
   164  * @note This will always be called once and only once per map.  It will be 
   165  * called after OnMapStart().
   166  *
   167  * @noreturn
   168  */
   169 forward OnConfigsExecuted();
   170 
   171 /**
   172  * @deprecated Use OnConfigsExecuted() instead.
   173  */
   174 #pragma deprecated Use OnConfigsExecuted() instead
   175 forward OnServerCfg();
   176 
   177 /**
   178  * Called after all plugins have been loaded.  This is called once for 
   179  * every plugin.  If a plugin late loads, it will be called immediately 
   180  * after OnPluginStart().
   181  */
   182 forward OnAllPluginsLoaded();
   183 
   184 /**
   185  * Returns the calling plugin's Handle.
   186  *
   187  * @return				Handle of the calling plugin.
   188  */
   189 native Handle:GetMyHandle();
   190 
   191 /**
   192  * Returns an iterator that can be used to search through plugins.
   193  *
   194  * @return				Handle to iterate with.  Must be closed via 
   195  * 						CloseHandle().
   196  * @error				Invalid Handle.
   197  */
   198 native Handle:GetPluginIterator();
   199 
   200 /**
   201  * Returns whether there are more plugins available in the iterator.
   202  *
   203  * @param iter			Handle to the plugin iterator.
   204  * @return				True on more plugins, false otherwise.
   205  * @error				Invalid Handle.
   206  */
   207 native bool:MorePlugins(Handle:iter);
   208 
   209 /**
   210  * Returns the current plugin in the iterator and advances the iterator.
   211  *
   212  * @param iter			Handle to the plugin iterator.
   213  * @return				Current plugin the iterator is at, before
   214  *						the iterator is advanced.
   215  * @error				Invalid Handle.
   216  */
   217 native Handle:ReadPlugin(Handle:iter);
   218 
   219 /**
   220  * Returns a plugin's status.
   221  *
   222  * @param plugin		Plugin Handle (INVALID_HANDLE uses the calling plugin).
   223  * @return				Status code for the plugin.
   224  * @error				Invalid Handle.
   225  */
   226 native PluginStatus:GetPluginStatus(Handle:plugin);
   227 
   228 /**
   229  * Retrieves a plugin's file name relative to the plugins folder.
   230  *
   231  * @param plugin		Plugin Handle (INVALID_HANDLE uses the calling plugin).
   232  * @param buffer		Buffer to the store the file name.
   233  * @param maxlength		Maximum length of the name buffer.
   234  * @noreturn
   235  * @error				Invalid Handle.
   236  */
   237 native GetPluginFilename(Handle:plugin, String:buffer[], maxlength);
   238 
   239 /**
   240  * Retrieves whether or not a plugin is being debugged.
   241  *
   242  * @param plugin		Plugin Handle (INVALID_HANDLE uses the calling plugin).
   243  * @return				True if being debugged, false otherwise.
   244  * @error				Invalid Handle.
   245  */
   246 native bool:IsPluginDebugging(Handle:hndl);
   247 
   248 /**
   249  * Retrieves a plugin's public info.
   250  *
   251  * @param plugin		Plugin Handle (INVALID_HANDLE uses the calling plugin).
   252  * @param info			Plugin info property to retrieve.
   253  * @param buffer		Buffer to store info in.
   254  * @param maxlength		Maximum length of buffer.
   255  * @return				True on success, false if property is not available.
   256  * @error				Invalid Handle.
   257  */
   258 native bool:GetPluginInfo(Handle:plugin, PluginInfo:info, String:buffer[], maxlength);
   259 
   260 /**
   261  * Finds a plugin by its order in the list from the "plugins list" server 
   262  * "sm" command.  You should not use this function to loop through all plugins, 
   263  * use the iterator instead.  Looping through all plugins using this native 
   264  * is O(n^2), whereas using the iterator is O(n).
   265  *
   266  * @param order_num		Number of the plugin as it appears in "sm plugins list".
   267  * @return				Plugin Handle on success, INVALID_HANDLE if no plugin 
   268  *						matches the given number.
   269  */
   270 native Handle:FindPluginByNumber(order_num);
   271 
   272 /**
   273  * Causes the plugin to enter a failed state.  An error will be thrown and
   274  * the plugin will be paused until it is unloaded or reloaded.
   275  *
   276  * For backwards compatibility, if no extra arguments are passed, no 
   277  * formatting is applied.  If one or more additional arguments is passed, 
   278  * the string is formatted using Format().  If any errors are encountered 
   279  * during formatting, both the format specifier string and an additional 
   280  * error message are written.
   281  *
   282  * This function does not return, and no further code in the plugin is 
   283  * executed.
   284  *
   285  * @param string		Format specifier string.
   286  * @param ...			Formatting arguments.
   287  * @noreturn
   288  * @error				Always throws SP_ERROR_ABORT.
   289  */
   290 native SetFailState(const String:string[], any:...);
   291 
   292 /**
   293  * Aborts the current callback and throws an error.  This function
   294  * does not return in that no code is executed following it.
   295  *
   296  * @param format		String format.
   297  * @param ...			Format arguments.
   298  * @noreturn
   299  * @error				Always!
   300  */
   301 native ThrowError(const String:fmt[], any:...);
   302 
   303 /**
   304  * Gets the system time as a unix timestamp.
   305  *
   306  * @param bigStamp		Optional array to store the 64bit timestamp in.
   307  * @return				32bit timestamp (number of seconds since unix epoch).
   308  */
   309 native GetTime(bigStamp[2]={0,0});
   310 
   311 /**
   312  * Produces a date and/or time string value for a timestamp.
   313  *
   314  * See this URL for valid parameters: 
   315  * http://opengroup.org/onlinepubs/007908799/xsh/strftime.html
   316  *
   317  * @param buffer		Destination string buffer.
   318  * @param maxlength		Maximum length of output string buffer.
   319  * @param format		Formatting rules (passing NULL_STRING will use the rules defined in sm_datetime_format).
   320  * @param stamp			Optional time stamp.
   321  * @noreturn
   322  * @error			Buffer too small or invalid time format.
   323  */
   324 native FormatTime(String:buffer[], maxlength, const String:format[], stamp=-1);
   325 
   326 /**
   327  * Loads a game config file.
   328  *
   329  * @param file			File to load.  The path must be relative to the 'gamedata' folder under the config folder 
   330  *					and the extension should be omitted.
   331  * @return			A handle to the game config file or INVALID_HANDLE in failure.
   332  */
   333 native Handle:LoadGameConfigFile(const String:file[]);
   334 
   335 /**
   336  * Returns an offset value.
   337  *
   338  * @param gc			Game config handle.
   339  * @param key			Key to retrieve from the offset section.
   340  * @return			An offset, or -1 on failure.
   341  */
   342 native GameConfGetOffset(Handle:gc, const String:key[]);
   343 
   344 /**
   345  * Gets the value of a key from the "Keys" section.
   346  *
   347  * @param gc			Game config handle.
   348  * @param key			Key to retrieve from the Keys section.
   349  * @param buffer		Destination string buffer.
   350  * @param maxlen		Maximum length of output string buffer.
   351  * @return				True if key existed, false otherwise.
   352  */
   353 native bool:GameConfGetKeyValue(Handle:gc, const String:key[], String:buffer[], maxlen);
   354 
   355 /**
   356  * Returns the operating system's "tick count," which is a number of 
   357  * milliseconds since the operating system loaded.  This can be used
   358  * for basic benchmarks.
   359  *
   360  * @return				Tick count in milliseconds.
   361  */
   362 native GetSysTickCount();
   363 
   364 /**
   365  * Specifies that the given config file should be executed after plugin load.
   366  * OnConfigsExecuted() will not be called until the config file has executed, 
   367  * but it will be called if the execution fails.
   368  *
   369  * @param autoCreate	If true, and the config file does not exist, such a config
   370  *						file will be automatically created and populated with
   371  *						information from the plugin's registered cvars.
   372  * @param name			Name of the config file, excluding the .cfg extension.
   373  *						If empty, <plugin.filename.cfg> is assumed.
   374  * @param folder		Folder under cfg/ to use.  By default this is "sourcemod."
   375  * @noreturn
   376  */
   377 native AutoExecConfig(bool:autoCreate=true, const String:name[]="", const String:folder[]="sourcemod");
   378 
   379 /**
   380  * Sets a native as optional, such that if it is unloaded, removed,
   381  * or otherwise non-existent, the plugin will still work.  Calling
   382  * removed natives results in a run-time error.
   383  *
   384  * @param name			Native name.
   385  * @noreturn
   386  */
   387 native MarkNativeAsOptional(const String:name[]);
   388 
   389 /**
   390  * Registers a library name for identifying as a dependency to 
   391  * other plugins.
   392  *
   393  * @param name			Library name.
   394  * @noreturn
   395  */
   396 native RegPluginLibrary(const String:name[]);
   397 
   398 /**
   399  * Returns whether a library exists.  This function should be considered 
   400  * expensive; it should only be called on plugin to determine availability 
   401  * of resources.  Use OnLibraryAdded()/OnLibraryRemoved() to detect changes 
   402  * in optional resources.
   403  *
   404  * @param name			Library name of a plugin or extension.
   405  * @return				True if exists, false otherwise.
   406  */
   407 native bool:LibraryExists(const String:name[]);
   408 
   409 /**
   410  * Returns the status of an extension, by filename.
   411  *
   412  * @param name			Extension name (like "sdktools.ext").
   413  * @param error			Optional error message buffer.
   414  * @param maxlength		Length of optional error message buffer.
   415  * @return				-2 if the extension was not found.
   416  *						-1 if the extension was found but failed to load.
   417  * 						 0 if the extension loaded but reported an error.
   418  * 						 1 if the extension is running without error.
   419  */
   420 native GetExtensionFileStatus(const String:name[], String:error[]="", maxlength=0);
   421 
   422 /**
   423  * Called after a library is added that the current plugin references 
   424  * optionally. A library is either a plugin name or extension name, as 
   425  * exposed via its include file.
   426  *
   427  * @param name			Library name.
   428  */
   429 forward OnLibraryAdded(const String:name[]);
   430 
   431 /**
   432  * Called right before a library is removed that the current plugin references 
   433  * optionally.  A library is either a plugin name or extension name, as 
   434  * exposed via its include file.
   435  *
   436  * @param name			Library name.
   437  */
   438 forward OnLibraryRemoved(const String:name[]);
   439 
   440 #define MAPLIST_FLAG_MAPSFOLDER		(1<<0)		/**< On failure, use all maps in the maps folder. */
   441 #define MAPLIST_FLAG_CLEARARRAY		(1<<1)		/**< If an input array is specified, clear it before adding. */
   442 #define MAPLIST_FLAG_NO_DEFAULT		(1<<2)		/**< Do not read "default" or "mapcyclefile" on failure. */
   443 
   444 /**
   445  * Loads a map list to an ADT Array.
   446  *
   447  * A map list is a list of maps from a file.  SourceMod allows easy configuration of 
   448  * maplists through addons/sourcemod/configs/maplists.cfg.  Each entry is given a 
   449  * name and a file (for example, "rtv" => "rtv.cfg"), or a name and a redirection 
   450  * (for example, "rtv" => "default").  This native will read a map list entry, 
   451  * cache the file, and return the list of maps it holds.  
   452  *
   453  * Serial change numbers are used to identify if a map list has changed.  Thus, if 
   454  * you pass a serial change number and it's equal to what SourceMod currently knows 
   455  * about the map list, then SourceMod won't reparse the file.
   456  *
   457  * If the maps end up being read from the maps folder (MAPLIST_FLAG_MAPSFOLDER), they 
   458  * are automatically sorted in alphabetical, ascending order.
   459  *
   460  * Arrays created by this function are temporary and must be freed via CloseHandle().
   461  * Modifying arrays created by this function will not affect future return values or 
   462  * or the contents of arrays returned to other plugins.
   463  *
   464  * @param array			Array to store the map list.  If INVALID_HANDLE, a new blank 
   465  *						array will be created.  The blocksize should be at least 16; 
   466  *						otherwise results may be truncated.  Items are added to the array 
   467  *						as strings.  The array is never checked for duplicates, and it is 
   468  *						not read beforehand.  Only the serial number is used to detect 
   469  *						changes.
   470  * @param serial		Serial number to identify last known map list change.  If -1, the 
   471  *						the value will not be checked.  If the map list has since changed, 
   472  *						the serial is updated (even if -1 was passed).  If there is an error 
   473  *						finding a valid maplist, then the serial is set to -1.
   474  * @param str			Config name, or "default" for the default map list.  Config names 
   475  *						should be somewhat descriptive.  For example, the admin menu uses 
   476  *						a config name of "admin menu".  The list names can be configured 
   477  *						by users in addons/sourcemod/configs/maplists.cfg.
   478  * @param flags			MAPLIST_FLAG flags.
   479  * @return				On failure:
   480  *						 INVALID_HANDLE is returned, the serial is set to -1, and the input 
   481  *						 array (if any) is left unchanged.
   482  *						On no change:
   483  						 INVALID_HANDLE is returned, the serial is unchanged, and the input 
   484  						 array (if any) is left unchanged.
   485  *						On success:
   486  *						 A valid array Handle is returned, containing at least one map string.  
   487  *						 If an array was passed, the return value is equal to the passed Array 
   488  *						 Handle.  If the passed array was not cleared, it will have grown by at 
   489  *						 least one item.  The serial number is updated to a positive number.
   490  * @error				Invalid array Handle that is not INVALID_HANDLE.
   491  */
   492 native Handle:ReadMapList(Handle:array=INVALID_HANDLE,
   493 						  &serial=-1,
   494 						  const String:str[]="default",
   495 						  flags=MAPLIST_FLAG_CLEARARRAY);
   496 						  
   497 /**
   498  * Makes a compatibility binding for map lists.  For example, if a function previously used 
   499  * "clam.cfg" for map lists, this function will insert a "fake" binding to "clam.cfg" that 
   500  * will be overridden if it's in the maplists.cfg file.
   501  *
   502  * @param name			Configuration name that would be used with ReadMapList().
   503  * @param file			Default file to use.
   504  * @noreturn
   505  */
   506 native SetMapListCompatBind(const String:name[], const String:file[]);
   507 
   508 /**
   509  * Called when a client has sent chat text.  This must return either true or 
   510  * false to indicate that a client is or is not spamming the server.
   511  *
   512  * The return value is a hint only.  Core or another plugin may decide 
   513  * otherwise.
   514  *
   515  * @param client		Client index.  The server (0) will never be passed.
   516  * @return				True if client is spamming the server, false otherwise.
   517  */
   518 forward bool:OnClientFloodCheck(client);
   519 
   520 /**
   521  * Called after a client's flood check has been computed.  This can be used 
   522  * by antiflood algorithms to decay/increase flooding weights.
   523  *
   524  * Since the result from "OnClientFloodCheck" isn't guaranteed to be the 
   525  * final result, it is generally a good idea to use this to play with other 
   526  * algorithms nicely.
   527  *
   528  * @param client		Client index.  The server (0) will never be passed.
   529  * @param blocked		True if client flooded last "say", false otherwise.
   530  * @noreturn
   531  */
   532 forward OnClientFloodResult(client, bool:blocked);
   533 
   534 #include <helpers>
   535 #include <entity>
   536 #include <entity_prop_stocks>
   537