Initial revision
This commit is contained in:
Felix Geyer
188
amxmodx/CModule.cpp
Executable file
188
amxmodx/CModule.cpp
Executable file
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/*
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* Copyright (c) 2002-2003 Aleksander Naszko
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*
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* This file is part of AMX Mod.
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*
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* AMX Mod is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* AMX Mod is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with AMX Mod; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* In addition, as a special exception, the author gives permission to
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* link the code of this program with the Half-Life Game Engine ("HL
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* Engine") and Modified Game Libraries ("MODs") developed by Valve,
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* L.L.C ("Valve"). You must obey the GNU General Public License in all
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* respects for all of the code used other than the HL Engine and MODs
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* from Valve. If you modify this file, you may extend this exception
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* to your version of the file, but you are not obligated to do so. If
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* you do not wish to do so, delete this exception statement from your
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* version.
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*
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*/
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#include <extdll.h>
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#include <meta_api.h>
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#include "amxmod.h"
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typedef int (FAR *QUERYMOD)(module_info_s**);
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typedef int (FAR *ATTACHMOD)(pfnamx_engine_g*,pfnmodule_engine_g*);
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typedef int (FAR *DETACHMOD)(void);
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QUERYMOD QueryModule;
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ATTACHMOD AttachModule;
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DETACHMOD DetachModule;
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pfnamx_engine_g engAmxFunc = {
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amx_Align16,
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amx_Align32,
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amx_Allot,
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amx_Callback,
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amx_Clone,
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amx_Debug,
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amx_Exec,
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amx_Execv,
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amx_FindPublic,
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amx_FindPubVar,
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amx_FindTagId,
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amx_Flags,
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amx_GetAddr,
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amx_GetPublic,
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amx_GetPubVar,
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amx_GetString,
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amx_GetTag,
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amx_GetUserData,
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amx_Init,
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amx_InitJIT,
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amx_MemInfo,
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amx_NameLength,
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amx_NativeInfo,
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amx_NumPublics,
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amx_NumPubVars,
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amx_NumTags,
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amx_RaiseError,
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amx_Register,
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amx_Release,
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amx_SetCallback,
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amx_SetDebugHook,
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amx_SetString,
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amx_SetUserData,
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amx_StrLen,
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};
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pfnmodule_engine_g engModuleFunc = {
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add_amxnatives,
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build_pathname,
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copy_amxmemory,
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format_amxstring,
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get_amxaddr,
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get_amxscript,
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get_amxscriptname,
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get_amxstring,
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get_modname,
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load_amxscript,
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print_srvconsole,
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report_error,
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set_amxnatives,
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set_amxstring,
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amxstring_len,
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unload_amxscript,
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alloc_amxmemory,
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free_amxmemory,
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};
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// *****************************************************
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// class CModule
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// *****************************************************
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CModule::CModule(const char* fname) : filename(fname)
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{
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metamod = false;
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info = 0;
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module = 0;
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status = MODULE_NONE;
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}
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CModule::~CModule()
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{
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if ( module ) DLFREE(module);
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natives.clear();
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}
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bool CModule::attachModule()
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{
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if ( status != MODULE_QUERY )
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return false;
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AttachModule = (ATTACHMOD)DLPROC(module,"AMX_Attach");
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if ( AttachModule ) (*AttachModule)(&engAmxFunc,&engModuleFunc);
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status = MODULE_LOADED;
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return true;
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}
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bool CModule::queryModule()
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{
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if ( status != MODULE_NONE ) // don't check if already quried
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return false;
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module = DLLOAD( filename.str() ); // link dll
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if ( !module ){
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status = MODULE_BADLOAD;
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return false;
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}
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int meta = (int)DLPROC(module,"Meta_Attach"); // check if also MM
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if ( meta ) metamod = true;
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QueryModule = (QUERYMOD)DLPROC(module,"AMX_Query"); // check what version
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if (QueryModule == 0) {
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status = MODULE_NOQUERY;
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return false;
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}
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(*QueryModule)( &info );
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if ( info == 0 ){
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status = MODULE_NOINFO;
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return false;
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}
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if ( info->ivers != AMX_INTERFACE_VERSION ) {
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status = MODULE_OLD;
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return false;
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}
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AttachModule = (ATTACHMOD)DLPROC(module,"AMX_Attach"); // check for attach
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if ( AttachModule == 0) {
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status = MODULE_NOATTACH;
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return false;
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}
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info->serial = (long int)this;
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status = MODULE_QUERY;
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return true;
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}
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bool CModule::detachModule()
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{
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if ( status != MODULE_LOADED )
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return false;
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DetachModule = (DETACHMOD)DLPROC(module,"AMX_Detach");
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if (DetachModule) (*DetachModule)();
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DLFREE(module);
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module = 0;
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natives.clear();
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status = MODULE_NONE;
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return true;
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}
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const char* CModule::getStatus() const {
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switch(status){
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case MODULE_NONE: return "error";
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case MODULE_QUERY: return "pending";
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case MODULE_BADLOAD:return "bad load";
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case MODULE_LOADED:return "running";
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case MODULE_NOINFO:return "no info";
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case MODULE_NOQUERY:return "no query";
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case MODULE_NOATTACH:return "no attach";
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case MODULE_OLD:return "old";
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}
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return "unknown";
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}
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