157 lines
4.4 KiB
C++
157 lines
4.4 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//===========================================================================//
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#include "cheatcodes.h"
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#include "cmd.h"
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#include "KeyValues.h"
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#include "filesystem.h"
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#include "tier2/tier2.h"
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#include "inputsystem/iinputsystem.h"
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#include "host.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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//=========================================================
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// Cheat Codes
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//=========================================================
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#define CHEAT_NAME_MAX_LEN 32
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#define CHEAT_CODE_MAX_LEN 10
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#define CHEAT_COMMAND_MAX_LEN 128
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static ButtonCode_t s_pKeyLog[CHEAT_CODE_MAX_LEN];
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static int s_nKeyLogIndex = 0;
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struct CheatCodeData_t
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{
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char szName[ CHEAT_NAME_MAX_LEN ];
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bool bDevOnly;
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int iCodeLength;
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ButtonCode_t pButtonCodes[ CHEAT_CODE_MAX_LEN ];
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char szCommand[ CHEAT_COMMAND_MAX_LEN ];
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};
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static CUtlVector<CheatCodeData_t> s_CheatCodeCommands;
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void ClearCheatCommands( void )
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{
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s_CheatCodeCommands.RemoveAll();
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}
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void ReadCheatCommandsFromFile( char *pchFileName )
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{
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KeyValues *pCheatCodeKeys = new KeyValues( "cheat_codes" );
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pCheatCodeKeys->LoadFromFile( g_pFullFileSystem, pchFileName, NULL );
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KeyValues *pKey = NULL;
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for ( pKey = pCheatCodeKeys->GetFirstTrueSubKey(); pKey; pKey = pKey->GetNextTrueSubKey() )
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{
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int iCheat = s_CheatCodeCommands.AddToTail();
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CheatCodeData_t *pNewCheatCode = &(s_CheatCodeCommands[ iCheat ]);
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Q_strncpy( pNewCheatCode->szName, pKey->GetName(), CHEAT_NAME_MAX_LEN ); // Get the name
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pNewCheatCode->bDevOnly = ( pKey->GetInt( "dev", 0 ) != 0 ); // Get developer only flag
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pNewCheatCode->iCodeLength = 0; // Start at zero code elements
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Q_strncpy( pNewCheatCode->szCommand, pKey->GetString( "command", "echo \"Cheat code has no command!\"" ), CHEAT_COMMAND_MAX_LEN );
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KeyValues *pSubKey = NULL;
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for ( pSubKey = pKey->GetFirstSubKey(); pSubKey; pSubKey = pSubKey->GetNextKey() )
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{
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const char *pchType = pSubKey->GetName();
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if ( Q_strcmp( pchType, "code" ) == 0 )
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{
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AssertMsg( ( pNewCheatCode->iCodeLength < CHEAT_NAME_MAX_LEN ), "Cheat code elements exceeded max!" );
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pNewCheatCode->pButtonCodes[ pNewCheatCode->iCodeLength ] = g_pInputSystem->StringToButtonCode( pSubKey->GetString() );
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++pNewCheatCode->iCodeLength;
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}
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}
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if ( pNewCheatCode->iCodeLength < CHEAT_NAME_MAX_LEN )
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{
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// If it's activation is a subsequence of another cheat, the longer cheat can't be activated!
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DevWarning( "Cheat code \"%s\" has less than %i code elements!", pKey->GetName(), CHEAT_NAME_MAX_LEN );
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}
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}
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}
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//---------------------------------------------------------
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//---------------------------------------------------------
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void ResetKeyLogging()
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{
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s_nKeyLogIndex = 0;
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}
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//---------------------------------------------------------
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//---------------------------------------------------------
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void LogKeyPress( ButtonCode_t code )
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{
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if ( s_nKeyLogIndex < CHEAT_CODE_MAX_LEN )
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{
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// Log isn't full, so add it in the next spot
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s_pKeyLog[ s_nKeyLogIndex ] = code;
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++s_nKeyLogIndex;
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return;
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}
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// Log is full so shift all data to the previous bucket
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int i;
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for ( i = 0; i < CHEAT_CODE_MAX_LEN - 1; ++i )
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{
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s_pKeyLog[ i ] = s_pKeyLog[ i + 1 ];
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}
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// Log into the last bucket
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s_pKeyLog[ i ] = code;
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}
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//---------------------------------------------------------
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//---------------------------------------------------------
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void CheckCheatCodes()
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{
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// Loop through all cheat codes
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int iNumCheatCodes = s_CheatCodeCommands.Count();
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for ( int iCheatCode = 0; iCheatCode < iNumCheatCodes; ++iCheatCode )
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{
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CheatCodeData_t *pCheatCode = &(s_CheatCodeCommands[ iCheatCode ]);
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if ( pCheatCode->bDevOnly && !developer.GetBool() )
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continue; // This cheat is only allowed in developer mode
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int iLogIndex = s_nKeyLogIndex - pCheatCode->iCodeLength; // Check code against the back chunk of the log
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if ( iLogIndex < 0 )
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continue; // There's less codes in the log than we need
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int iCode = 0;
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while ( iCode < pCheatCode->iCodeLength && pCheatCode->pButtonCodes[ iCode ] == s_pKeyLog[ iLogIndex ] )
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{
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++iCode;
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++iLogIndex;
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}
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if ( iCode == pCheatCode->iCodeLength )
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{
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// Every part of the code was correct
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DevMsg( "Cheat code \"%s\" activated!", pCheatCode->szName );
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Cbuf_AddText( "sv_cheats 1\n" );
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Cbuf_AddText( pCheatCode->szCommand );
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Cbuf_AddText( "\n" );
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ResetKeyLogging();
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return;
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}
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}
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}
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