CWE-ou-minkata/Sources/Plasma/FeatureLib/pfConsole/pfConsole.cpp

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program 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, either version 3 of the License, or
(at your option) any later version.

This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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 or by snail mail at:
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*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
//                                                                          //
//  pfConsole Functions                                                     //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

#include "pfPython/cyPythonInterface.h"

#include "HeadSpin.h"
#include "pfConsole.h"
#include "pfConsoleCore/pfConsoleEngine.h"
#include "plPipeline/plDebugText.h"
#include "plInputCore/plInputDevice.h"
#include "plInputCore/plInputInterface.h"
#include "plInputCore/plInputInterfaceMgr.h"
#include "pnInputCore/plKeyMap.h"
#include "pnInputCore/plKeyDef.h"
#include "plMessage/plInputEventMsg.h"
#include "plMessage/plConsoleMsg.h"
#include "plMessage/plInputIfaceMgrMsg.h"
#include "pnKeyedObject/plFixedKey.h"
#include "hsTimer.h"
#include "plgDispatch.h"
#include "plPipeline.h"

#include "plNetClient/plNetClientMgr.h"

#ifndef PLASMA_EXTERNAL_RELEASE
#include "pfGameMgr/pfGameMgr.h"
#endif // PLASMA_EXTERNAL_RELEASE


//// Static Class Stuff //////////////////////////////////////////////////////

pfConsole   *pfConsole::fTheConsole = nil;
uint32_t      pfConsole::fConsoleTextColor = 0xff00ff00;
plPipeline  *pfConsole::fPipeline = nil;


//////////////////////////////////////////////////////////////////////////////
//// pfConsoleInputInterface - Input interface layer for the console /////////
//////////////////////////////////////////////////////////////////////////////

class pfConsoleInputInterface : public plInputInterface
{
    protected:

        pfConsole   *fConsole;



        virtual bool    IHandleCtrlCmd( plCtrlCmd *cmd )
        {
            if( cmd->fControlCode == B_SET_CONSOLE_MODE )
            {
                if( cmd->fControlActivated )
                {
                    // Activate/deactivate
                    switch( fConsole->fMode )
                    {
                        case pfConsole::kModeHidden:
                            fConsole->ISetMode( pfConsole::kModeSingleLine );
                            break;
                        case pfConsole::kModeSingleLine:
                            fConsole->ISetMode( pfConsole::kModeFull );
                            break;
                        case pfConsole::kModeFull:
                            fConsole->ISetMode( pfConsole::kModeHidden );
                            break;
                    }
                }
                return true;
            }
            return false;
        }

    public:

        pfConsoleInputInterface( pfConsole *console )
        {
            fConsole = console; 
            SetEnabled( true );         // Always enabled

            // Add our control codes to our control map. Do NOT add the key bindings yet.
            // Note: HERE is where you specify the actions for each command, i.e. net propagate and so forth.
            // This part basically declares us master of the bindings for these commands.
            
            // IF YOU ARE LOOKING TO CHANGE THE DEFAULT KEY BINDINGS, DO NOT LOOK HERE. GO TO
            // RestoreDefaultKeyMappings()!!!!

#ifndef PLASMA_EXTERNAL_RELEASE
            fControlMap->AddCode( B_SET_CONSOLE_MODE, kControlFlagNormal | kControlFlagNoRepeat );
#endif

            // IF YOU ARE LOOKING TO CHANGE THE DEFAULT KEY BINDINGS, DO NOT LOOK HERE. GO TO
            // RestoreDefaultKeyMappings()!!!!
        }

        virtual uint32_t  GetPriorityLevel( void ) const          { return kConsolePriority; }
        virtual uint32_t  GetCurrentCursorID( void ) const        { return kCursorHidden; }
        virtual bool    HasInterestingCursorID( void ) const    { return false; }

        virtual bool    InterpretInputEvent( plInputEventMsg *pMsg )
        {
            plKeyEventMsg   *keyMsg = plKeyEventMsg::ConvertNoRef( pMsg );
            if( keyMsg != nil )
            {
                if( fConsole->fMode )
                {
                    fConsole->IHandleKey( keyMsg );
                    return true;
                }
            }

            return false;
        }

        virtual void    RefreshKeyMap( void )
        {
        }

        virtual void    RestoreDefaultKeyMappings( void )
        {
            if( fControlMap != nil )
            {
                fControlMap->UnmapAllBindings();
#ifndef PLASMA_EXTERNAL_RELEASE
                fControlMap->BindKey( KEY_TILDE, B_SET_CONSOLE_MODE );
#endif
            }
        }
};

//// Constructor & Destructor ////////////////////////////////////////////////

pfConsole::pfConsole()
{
    fNumDisplayLines = 32;
    fDisplayBuffer = nil;
    fTheConsole = this;
    fFXEnabled = true;
}

pfConsole::~pfConsole()
{
    if( fInputInterface != nil )
    {
        plInputIfaceMgrMsg *msg = new plInputIfaceMgrMsg( plInputIfaceMgrMsg::kRemoveInterface );
        msg->SetIFace( fInputInterface );
        plgDispatch::MsgSend( msg );

        hsRefCnt_SafeUnRef( fInputInterface );
        fInputInterface = nil;
    }

    if( fDisplayBuffer != nil )
    {
        delete [] fDisplayBuffer;
        fDisplayBuffer = nil;
    }

    fTheConsole = nil;

    plgDispatch::Dispatch()->UnRegisterForExactType( plConsoleMsg::Index(), GetKey() );
    plgDispatch::Dispatch()->UnRegisterForExactType( plControlEventMsg::Index(), GetKey() );

#ifndef PLASMA_EXTERNAL_RELEASE 
    pfGameMgr::GetInstance()->RemoveReceiver(GetKey());
#endif // PLASMA_EXTERNAL_RELEASE
}

pfConsole * pfConsole::GetInstance () {

    return fTheConsole;
}

//// Init ////////////////////////////////////////////////////////////////////

void    pfConsole::Init( pfConsoleEngine *engine )
{
    fDisplayBuffer = new char[ fNumDisplayLines * kMaxCharsWide ];
    memset( fDisplayBuffer, 0, fNumDisplayLines * kMaxCharsWide );

    memset( fWorkingLine, 0, sizeof( fWorkingLine ) );
    fWorkingCursor = 0;

    memset( fHistory, 0, sizeof( fHistory ) );

    fEffectCounter = 0;
    fMode = 0;
    fMsgTimeoutTimer = 0;
    fHelpMode = false;
    fPythonMode = false;
    fPythonFirstTime = true;
    fPythonMultiLines = 0;
    fHelpTimer = 0;
    fCursorTicks = 0;
    memset( fLastHelpMsg, 0, sizeof( fLastHelpMsg ) );
    fEngine = engine;

    fInputInterface = new pfConsoleInputInterface( this );
    plInputIfaceMgrMsg *msg = new plInputIfaceMgrMsg( plInputIfaceMgrMsg::kAddInterface );
    msg->SetIFace( fInputInterface );
    plgDispatch::MsgSend( msg );

    // Register for keyboard event messages
    plgDispatch::Dispatch()->RegisterForExactType( plConsoleMsg::Index(), GetKey() );
    plgDispatch::Dispatch()->RegisterForExactType( plControlEventMsg::Index(), GetKey() );

#ifndef PLASMA_EXTERNAL_RELEASE 
    pfGameMgr::GetInstance()->AddReceiver(GetKey());
#endif // PLASMA_EXTERNAL_RELEASE
}

//// ISetMode ////////////////////////////////////////////////////////////////

void    pfConsole::ISetMode( uint8_t mode )
{
    fMode = mode; 
    fEffectCounter = ( fFXEnabled ? kEffectDivisions : 0 ); 
    fMsgTimeoutTimer = 0; 
    fInputInterface->RefreshKeyMap();
}

//// MsgReceive //////////////////////////////////////////////////////////////

bool    pfConsole::MsgReceive( plMessage *msg )
{
    plControlEventMsg *ctrlMsg = plControlEventMsg::ConvertNoRef( msg );
    if( ctrlMsg != nil )
    {
        if( ctrlMsg->ControlActivated() && ctrlMsg->GetControlCode() == B_CONTROL_CONSOLE_COMMAND && plNetClientMgr::GetInstance()->GetFlagsBit(plNetClientMgr::kPlayingGame))
        {
            fEngine->RunCommand( ctrlMsg->GetCmdString(), IAddLineCallback );
            return true;
        }
        return false;
    }

    plConsoleMsg *cmd = plConsoleMsg::ConvertNoRef( msg );
    if( cmd != nil && cmd->GetString() != nil )
    {
        if( cmd->GetCmd() == plConsoleMsg::kExecuteFile )
        {
            if( !fEngine->ExecuteFile( cmd->GetString() ) )
            {
                // Change the following line once we have a better way of reporting
                // errors in the parsing
                static char str[ 256 ];
                static char msg[ 1024 ];

                sprintf( str, "Error parsing %s", cmd->GetString() );
                sprintf( msg, "%s:\n\nCommand: '%s'\n%s", fEngine->GetErrorMsg(), fEngine->GetLastErrorLine(),
#ifdef HS_DEBUGGING
                        "" );

                hsAssert( false, msg );
#else
                        "\nPress OK to continue parsing files." );

                hsMessageBox( msg, str, hsMessageBoxNormal );
#endif
            }
        }
        else if( cmd->GetCmd() == plConsoleMsg::kAddLine )
            IAddParagraph( (char *)cmd->GetString() );
        else if( cmd->GetCmd() == plConsoleMsg::kExecuteLine )
        {
            if( !fEngine->RunCommand( (char *)cmd->GetString(), IAddLineCallback ) )
            {
                // Change the following line once we have a better way of reporting
                // errors in the parsing
                static char msg[ 1024 ];

                sprintf( msg, "%s:\n\nCommand: '%s'\n", fEngine->GetErrorMsg(), fEngine->GetLastErrorLine() );
                IAddLineCallback( msg ); 
            }
        }
            
        return true;
    }


    //========================================================================
    // pfGameMgrMsg
#ifndef PLASMA_EXTERNAL_RELEASE
    if (pfGameMgrMsg * gameMgrMsg = pfGameMgrMsg::ConvertNoRef(msg)) {

        switch (gameMgrMsg->netMsg->messageId) {

            //================================================================
            // InviteReceived           
            case kSrv2Cli_GameMgr_InviteReceived: {
                const Srv2Cli_GameMgr_InviteReceived & gmMsg = *(const Srv2Cli_GameMgr_InviteReceived *)gameMgrMsg->netMsg;
                const plString & inviterName = plNetClientMgr::GetInstance()->GetPlayerNameById(gmMsg.inviterId);
                AddLineF("[GameMgr] Invite received: %S, %u. Inviter: %s", pfGameMgr::GetInstance()->GetGameNameByTypeId(gmMsg.gameTypeId), gmMsg.newGameId, inviterName.c_str("<Unknown>"));
            }
            return true;

            //================================================================
            // InviteRevoked            
            case kSrv2Cli_GameMgr_InviteRevoked: {
                const Srv2Cli_GameMgr_InviteRevoked & gmMsg = *(const Srv2Cli_GameMgr_InviteRevoked *)gameMgrMsg->netMsg;
                const plString & inviterName = plNetClientMgr::GetInstance()->GetPlayerNameById(gmMsg.inviterId);
                AddLineF("[GameMgr] Invite revoked: %S, %u. Inviter: %s", pfGameMgr::GetInstance()->GetGameNameByTypeId(gmMsg.gameTypeId), gmMsg.newGameId, inviterName.c_str("<Unknown>"));
            }
            return true;
            
            DEFAULT_FATAL(gameMgrMsg->netMsg->messageId);
        };
    }
#endif // PLASMA_EXTERNAL_RELEASE
    //========================================================================
    
    //========================================================================
    // pfGameCliMsg
#ifndef PLASMA_EXTERNAL_RELEASE
    if (pfGameCliMsg * gameCliMsg = pfGameCliMsg::ConvertNoRef(msg)) {
    
        pfGameCli * cli = gameCliMsg->gameCli;
    
        //====================================================================
        // Handle pfGameCli msgs
        switch (gameCliMsg->netMsg->messageId) {
            //================================================================
            // PlayerJoined
            case kSrv2Cli_Game_PlayerJoined: {
                const Srv2Cli_Game_PlayerJoined & netMsg = *(const Srv2Cli_Game_PlayerJoined *)gameCliMsg->netMsg;
                AddLineF(
                    "[Game %s:%u] Player joined: %s",
                    cli->GetName(),
                    cli->GetGameId(),
                    netMsg.playerId
                        ? plNetClientMgr::GetInstance()->GetPlayerNameById(netMsg.playerId).c_str()
                        : "Computer"
                );
            }
            return true;

            //================================================================
            // PlayerLeft
            case kSrv2Cli_Game_PlayerLeft: {
                const Srv2Cli_Game_PlayerLeft & netMsg = *(const Srv2Cli_Game_PlayerLeft *)gameCliMsg->netMsg;
                AddLineF(
                    "[Game %s:%u] Player left: %s",
                    cli->GetName(),
                    cli->GetGameId(),
                    netMsg.playerId
                        ? plNetClientMgr::GetInstance()->GetPlayerNameById(netMsg.playerId).c_str()
                        : "Computer"
                );
            }
            return true;
            
            //================================================================
            // InviteFailed
            case kSrv2Cli_Game_InviteFailed: {
                const Srv2Cli_Game_InviteFailed & netMsg = *(const Srv2Cli_Game_InviteFailed *)gameCliMsg->netMsg;
                AddLineF(
                    "[Game %s:%u] Invite failed for playerId %u, error %u",
                    cli->GetName(),
                    cli->GetGameId(),
                    netMsg.inviteeId,
                    netMsg.error
                );
            }
            return true;

            //================================================================
            // OwnerChange
            case kSrv2Cli_Game_OwnerChange: {
                const Srv2Cli_Game_OwnerChange & netMsg = *(const Srv2Cli_Game_OwnerChange *)gameCliMsg->netMsg;
                AddLineF(
                    "[Game %s:%u] Owner changed to playerId %u",
                    cli->GetName(),
                    cli->GetGameId(),
                    netMsg.ownerId
                );
            }
            return true;
        }

        //====================================================================
        // Handle Tic-Tac-Toe msgs
        if (gameCliMsg->gameCli->GetGameTypeId() == kGameTypeId_TicTacToe) {
        
            pfGmTicTacToe * ttt = pfGmTicTacToe::ConvertNoRef(cli);
            ASSERT(ttt);
            
            switch (gameCliMsg->netMsg->messageId) {
                //============================================================
                // GameStarted
                case kSrv2Cli_TTT_GameStarted: {
                    const Srv2Cli_TTT_GameStarted & netMsg = *(const Srv2Cli_TTT_GameStarted *)gameCliMsg->netMsg;
                    if (netMsg.yourTurn)
                        AddLineF(
                            "[Game %s:%u] Game started. You are X's. You go first.",
                            cli->GetName(),
                            cli->GetGameId()
                        );
                    else
                        AddLineF(
                            "[Game %s:%u] Game started. You are O's. Other player goes first.",
                            cli->GetName(),
                            cli->GetGameId()
                        );
                    ttt->ShowBoard();
                }
                return true;

                //============================================================
                // GameOver
                case kSrv2Cli_TTT_GameOver: {
                    const Srv2Cli_TTT_GameOver & netMsg = *(const Srv2Cli_TTT_GameOver *)gameCliMsg->netMsg;
                    switch (netMsg.result) {
                        case kTTTGameResultWinner:
                            if (netMsg.winnerId == NetCommGetPlayer()->playerInt)
                                AddLineF(
                                    "[Game %s:%u] Game over. You won!",
                                    cli->GetName(),
                                    cli->GetGameId()
                                );
                            else
                                AddLineF(
                                    "[Game %s:%u] Game over. You lost.",
                                    cli->GetName(),
                                    cli->GetGameId()
                                );
                        break;
                        
                        case kTTTGameResultTied:
                            AddLineF(
                                "[Game %s:%u] Game over. You tied.",
                                cli->GetName(),
                                cli->GetGameId()
                            );
                        break;
                        
                        case kTTTGameResultGave:
                            AddLineF(
                                "[Game %s:%u] Game over. You win by default.",
                                cli->GetName(),
                                cli->GetGameId()
                            );
                        break;
                            
                        default:
                            AddLineF(
                                "[Game %s:%u] Game over. Server-side error %u.",
                                cli->GetName(),
                                cli->GetGameId(),
                                netMsg.result
                            );
                        break;
                    }
                }
                return true;
                
                //============================================================
                // MoveMade
                case kSrv2Cli_TTT_MoveMade: {
                    const Srv2Cli_TTT_MoveMade & netMsg = *(const Srv2Cli_TTT_MoveMade *)gameCliMsg->netMsg;
                    const char * playerName
                        = netMsg.playerId
                            ? plNetClientMgr::GetInstance()->GetPlayerNameById(netMsg.playerId).c_str()
                            : "Computer";
                    AddLineF(
                        "[Game %s:%u] %s moved:",
                        cli->GetName(),
                        cli->GetGameId(),
                        playerName
                    );
                    ttt->ShowBoard();
                }
                return true;
                
                DEFAULT_FATAL(gameCliMsg->netMsg->messageId);
            }
        }
        else {
            FATAL("Unknown game type");
        }
        
        return true;
    }
#endif // PLASMA_EXTERNAL_RELEASE
    //========================================================================
    
    return hsKeyedObject::MsgReceive(msg);
}

//// IHandleKey //////////////////////////////////////////////////////////////

void    pfConsole::IHandleKey( plKeyEventMsg *msg )
{
    char            *c;
    wchar_t         key;
    int             i,eol;
    static bool     findAgain = false;
    static uint32_t   findCounter = 0;

    // filter out keyUps and ascii control characters
    // as the control functions are handled on the keyDown event
    if( !msg->GetKeyDown() || (msg->GetKeyChar() > '\0' && msg->GetKeyChar() < ' '))
        return;

    if( msg->GetKeyCode() == KEY_ESCAPE )
    {
        fWorkingLine[ fWorkingCursor = 0 ] = 0;
        findAgain = false;
        findCounter = 0;
        fHelpMode = false;
        fPythonMode = false;
        fPythonMultiLines = 0;
        IUpdateTooltip();
    }
    else if( msg->GetKeyCode() == KEY_TAB )
    {
        if ( fPythonMode )
        {
            // if we are in Python mode, then just add two spaces, tab over, sorta
            if ( strlen(fWorkingLine) < kWorkingLineSize+2 )
            {
                strcat(&fWorkingLine[fWorkingCursor], "  ");
                fWorkingCursor += 2;
            }
        }
        else
        {
            static char     lastSearch[ kMaxCharsWide ];
            char            search[ kMaxCharsWide ];

            if( !findAgain && findCounter == 0 )
                strcpy( lastSearch, fWorkingLine );
            strcpy( search, lastSearch );

            if( findCounter > 0 )
            {
                // Not found the normal way; try using an unrestricted search
                if( fEngine->FindNestedPartialCmd( search, findCounter, true ) )
                {
                    strcpy( fWorkingLine, search );
                    findCounter++;
                }
                else
                {
                    /// Try starting over...?
                    findCounter = 0;
                    if( fEngine->FindNestedPartialCmd( search, findCounter, true ) )
                    { 
                        strcpy( fWorkingLine, search );
                        findCounter++;
                    }
                }
            }
            else if( fEngine->FindPartialCmd( search, findAgain, true ) )
            {
                strcpy( fWorkingLine, search );
                findAgain = true;
            }
            else if( findAgain )
            {
                /// Try starting over
                strcpy( search, lastSearch );
                if( fEngine->FindPartialCmd( search, findAgain = false, true ) )
                {
                    strcpy( fWorkingLine, search );
                    findAgain = true;
                }
            }

            else
            {
                // Not found the normal way; start an unrestricted search
                if( fEngine->FindNestedPartialCmd( search, findCounter, true ) )
                {
                    strcpy( fWorkingLine, search );
                    findCounter++;
                }
            }

            fWorkingCursor = strlen( fWorkingLine );
            IUpdateTooltip();
        }
    }
    else if( msg->GetKeyCode() == KEY_UP )
    {
        i = ( fHistory[ fPythonMode ].fRecallCursor > 0 ) ? fHistory[ fPythonMode ].fRecallCursor - 1 : kNumHistoryItems - 1;
        if( fHistory[ fPythonMode ].fData[ i ][ 0 ] != 0 )
        {
            fHistory[ fPythonMode ].fRecallCursor = i;
            strcpy( fWorkingLine, fHistory[ fPythonMode ].fData[ fHistory[ fPythonMode ].fRecallCursor ] );
            findAgain = false;
            findCounter = 0;
            fWorkingCursor = strlen( fWorkingLine );
            IUpdateTooltip();
        }
    }
    else if( msg->GetKeyCode() == KEY_DOWN )
    {
        if( fHistory[ fPythonMode ].fRecallCursor != fHistory[ fPythonMode ].fCursor )
        {
            i = ( fHistory[ fPythonMode ].fRecallCursor < kNumHistoryItems - 1 ) ? fHistory[ fPythonMode ].fRecallCursor + 1 : 0;
            if( i != fHistory[ fPythonMode ].fCursor )
            {
                fHistory[ fPythonMode ].fRecallCursor = i;
                strcpy( fWorkingLine, fHistory[ fPythonMode ].fData[ fHistory[ fPythonMode ].fRecallCursor ] );
            }
            else
            {
                memset( fWorkingLine, 0, sizeof( fWorkingLine ) );
                fHistory[ fPythonMode ].fRecallCursor = fHistory[ fPythonMode ].fCursor;
            }
            findAgain = false;
            findCounter = 0;
            fWorkingCursor = strlen( fWorkingLine );
            IUpdateTooltip();
        }
    }
    else if( msg->GetKeyCode() == KEY_LEFT )
    {
        if( fWorkingCursor > 0 )
            fWorkingCursor--;
    }
    else if( msg->GetKeyCode() == KEY_RIGHT )
    {
        if( fWorkingCursor < strlen( fWorkingLine ) )
            fWorkingCursor++;
    }
    else if( msg->GetKeyCode() == KEY_BACKSPACE )
    {
        if( fWorkingCursor > 0 )
        {
            fWorkingCursor--;

            c = &fWorkingLine[ fWorkingCursor ];
            do
            {
                *c = *( c + 1 );
                c++;
            } while( *c != 0 );

            findAgain = false;
            findCounter = 0;
        }
        else if( fHelpMode )
            fHelpMode = false;

        IUpdateTooltip();
    }
    else if( msg->GetKeyCode() == KEY_DELETE )
    {
        c = &fWorkingLine[ fWorkingCursor ];
        do
        {
            *c = *( c + 1 );
            c++;
        } while( *c != 0 );

        findAgain = false;
        findCounter = 0;
        IUpdateTooltip();
    }
    else if( msg->GetKeyCode() == KEY_ENTER )
    {
        // leave leading space for Python multi lines (need the indents!)
        if ( fPythonMultiLines == 0 )
        {
            // Clean up working line by removing any leading whitespace
            for( c = fWorkingLine; *c == ' ' || *c == '\t'; c++ );
            for( i = 0; *c != 0; i++, c++ )
                fWorkingLine[ i ] = *c;
            fWorkingLine[ i ] = 0;
            eol = i;
        }

        if( fWorkingLine[ 0 ] == 0 && !fHelpMode && !fPythonMode )
        {
            // Blank line--just print a blank line to the console and skip
            IAddLine( "" );
            return;
        }

        // only save history line if there is something there
        if( fWorkingLine[ 0 ] != 0 )
        {
            // Save to history
            strcpy( fHistory[ fPythonMode ].fData[ fHistory[ fPythonMode ].fCursor ], fWorkingLine );
            fHistory[ fPythonMode ].fCursor = ( fHistory[ fPythonMode ].fCursor < kNumHistoryItems - 1 ) ? fHistory[ fPythonMode ].fCursor + 1 : 0;
            fHistory[ fPythonMode ].fRecallCursor = fHistory[ fPythonMode ].fCursor;
        }

        // EXECUTE!!! (warning: DESTROYS fWorkingLine)
        if( fHelpMode )
        {
            if( fWorkingLine[ 0 ] == 0 )
                IPrintSomeHelp();
            else if( stricmp( fWorkingLine, "commands" ) == 0 )
                fEngine->PrintCmdHelp( "", IAddLineCallback );
            else if( !fEngine->PrintCmdHelp( fWorkingLine, IAddLineCallback ) )
            {
                c = (char *)fEngine->GetErrorMsg();
                AddLine( c );
            }

            fHelpMode = false;
        }
        // are we in Python mode?
        else if ( fPythonMode )
        {
            // are we in Python multi-line mode?
            if ( fPythonMultiLines > 0 )
            {
                // if there was a line then bump num lines
                if ( fWorkingLine[0] != 0 )
                {
                    char displine[300];
                    sprintf(displine,"... %s",fWorkingLine);
                    AddLine( displine );
                    fPythonMultiLines++;
                }

                // is it time to evaluate all the multi lines that are saved?
                if ( fWorkingLine[0] == 0 || fPythonMultiLines >= kNumHistoryItems )
                {
                    if ( fPythonMultiLines >= kNumHistoryItems )
                        AddLine("Python Multi-line buffer full!");
                    // get the lines and stuff them in our buffer
                    char biglines[kNumHistoryItems*(kMaxCharsWide+1)];
                    biglines[0] = 0;
                    for ( i=fPythonMultiLines; i>0 ; i--)
                    {
                        // reach back in the history and find this line and paste it in here
                        int recall = fHistory[ fPythonMode ].fCursor - i;
                        if ( recall < 0 )
                            recall += kNumHistoryItems;
                        strcat(biglines,fHistory[ fPythonMode ].fData[ recall ]);
                        strcat(biglines,"\n");
                    }
                    // now evaluate this mess they made
                    PyObject* mymod = PythonInterface::FindModule("__main__");
                    PythonInterface::RunStringInteractive(biglines,mymod);
                    std::string output;
                    // get the messages
                    PythonInterface::getOutputAndReset(&output);
                    AddLine( output.c_str() );
                    // all done doing multi lines...
                    fPythonMultiLines = 0;
                }
            }
            // else we are just doing single lines
            else
            {
                // was there actually anything in the input buffer?
                if ( fWorkingLine[0] != 0 )
                {
                    char displine[300];
                    sprintf(displine,">>> %s",fWorkingLine);
                    AddLine( displine );
                    // check to see if this is going to be a multi line mode ( a ':' at the end)
                    if ( fWorkingLine[eol-1] == ':' )
                    {
                        fPythonMultiLines = 1;
                    }
                    else
                    // else if not the start of a multi-line then execute it
                    {
                        PyObject* mymod = PythonInterface::FindModule("__main__");
                        PythonInterface::RunStringInteractive(fWorkingLine,mymod);
                        std::string output;
                        // get the messages
                        PythonInterface::getOutputAndReset(&output);
                        AddLine( output.c_str() );
                    }
                }
                else
                    AddLine( ">>> " );
            }
            // find the end of the line
            for( c = fWorkingLine, eol = 0; *c != 0; eol++, c++ );
        }
        else
        {
            if( !fEngine->RunCommand( fWorkingLine, IAddLineCallback ) )
            {
                c = (char *)fEngine->GetErrorMsg();
                if( c[ 0 ] != 0 )
                    AddLine( c );
            }
        }

        // Clear
        fWorkingLine[ fWorkingCursor = 0 ] = 0;
        findAgain = false;
        findCounter = 0;
        IUpdateTooltip();
    }
    else if( msg->GetKeyCode() == KEY_END )
    {
        fWorkingCursor = strlen( fWorkingLine );
    }
    else if( msg->GetKeyCode() == KEY_HOME )
    {
        fWorkingCursor = 0;
    }
    else if (msg->GetKeyChar())
    {
        key = msg->GetKeyChar();
        // do they want to go into help mode?
        if( !fPythonMode && key == L'?' && fWorkingCursor == 0 )
        {
            /// Go into help mode
            fHelpMode = true;
        }
        // do they want to go into Python mode?
        else if( !fHelpMode && key == L'\\' && fWorkingCursor == 0 )
        {
            // toggle Python mode
            fPythonMode = fPythonMode ? false:true;
            if ( fPythonMode )
            {
                if ( fPythonFirstTime )
                {
                    IAddLine( "" );     // add a blank line
                    PyObject* mymod = PythonInterface::FindModule("__main__");
                    PythonInterface::RunStringInteractive("import sys;print 'Python',sys.version",mymod);
                    std::string output;
                    // get the messages
                    PythonInterface::getOutputAndReset(&output);
                    AddLine( output.c_str() );
                    fPythonFirstTime = false;       // do this only once!
                }
            }
        }
        // or are they just typing in a working line
        else if( strlen( fWorkingLine ) < kMaxCharsWide - 2 && key != 0 )
        {
            for( i = strlen( fWorkingLine ) + 1; i > fWorkingCursor; i-- )
                fWorkingLine[ i ] = fWorkingLine[ i - 1 ];

            fWorkingLine[ fWorkingCursor++ ] = key;

            findAgain = false;
            findCounter = 0;
            IUpdateTooltip();
        }
    }
}

//// IAddLineCallback ////////////////////////////////////////////////////////

void    pfConsole::IAddLineCallback( const char *string )
{
    fTheConsole->IAddParagraph( string, 0 );
}

//// IAddLine ////////////////////////////////////////////////////////////////

void    pfConsole::IAddLine( const char *string, short leftMargin )
{
    int         i;
    char        *ptr;


    /// Advance upward
    for( i = 0, ptr = fDisplayBuffer; i < fNumDisplayLines - 1; i++ )
    {
        memcpy( ptr, ptr + kMaxCharsWide, kMaxCharsWide );
        ptr += kMaxCharsWide;
    }

    if( string[ 0 ] == '\t' )
    {
        leftMargin += 4;
        string++;
    }

    memset( ptr, 0, kMaxCharsWide );
    memset( ptr, ' ', leftMargin );
    strncpy( ptr + leftMargin, string, kMaxCharsWide - leftMargin - 1 );
    if( fMode == 0 )
    {
        /// Console is invisible, so show this line for a bit of time
        fMsgTimeoutTimer = kMsgHintTimeout;
    }
}

//// IAddParagraph ///////////////////////////////////////////////////////////

void    pfConsole::IAddParagraph( const char *s, short margin )
{
    char        *ptr, *ptr2, *ptr3, *string=(char*)s;


    // Special character: if \i is in front of the string, indent it
    while( strncmp( string, "\\i", 2 ) == 0 )
    {
        margin += 3;
        string += 2;
    }

    for( ptr = string; ptr != nil && *ptr != 0; )
    {
        // Go as far as possible
        if( strlen( ptr ) < kMaxCharsWide - margin - margin - 1 )
            ptr2 = ptr + strlen( ptr );
        else
        {
            // Back up until we hit a sep
            ptr2 = ptr + kMaxCharsWide - margin - margin - 1;
            for( ; ptr2 > string && *ptr2 != ' ' && *ptr2 != '\t' && *ptr2 != '\n'; ptr2-- );
        }

        // Check for carriage return
        ptr3 = strchr( ptr, '\n' );
        if( ptr3 == ptr )
        {
            IAddLine( "", margin );
            ptr++;
            continue;
        }
        if( ptr3 != nil && ptr3 < ptr2 )
            ptr2 = ptr3;

        // Add this part
        if( ptr2 == ptr || *ptr2 == 0 )
        {
            IAddLine( ptr, margin );
            break;
        }

        *ptr2 = 0;
        IAddLine( ptr, margin );
        ptr = ptr2 + 1;
    }
}

//// IClear //////////////////////////////////////////////////////////////////

void    pfConsole::IClear( void )
{
    memset( fDisplayBuffer, 0, kMaxCharsWide * fNumDisplayLines );
}

//// Draw ////////////////////////////////////////////////////////////////////

void    pfConsole::Draw( plPipeline *p )
{
    int         i, yOff, y, x, eOffset, height;
    char        *line;
    char        tmp[ kMaxCharsWide ];
    bool        showTooltip = false;
    float       thisTime;   // For making the console FX speed konstant regardless of framerate
    const float kEffectDuration = 0.5f;


    plDebugText&    drawText = plDebugText::Instance();
    
    thisTime = (float)hsTimer::PrecTicksToSecs( hsTimer::GetPrecTickCount() );

    if( fMode == kModeHidden && fEffectCounter == 0 )
    {
        if( fMsgTimeoutTimer > 0 )
        {
            /// Message hint--draw the last line of the console for a bit
            drawText.DrawString( 10, 4, fDisplayBuffer + kMaxCharsWide * ( fNumDisplayLines - 1 ), fConsoleTextColor );
            fMsgTimeoutTimer--;
        }
        fLastTime = thisTime;
        return;
    }

    drawText.SetDrawOnTopMode( true );

    yOff = drawText.GetFontHeight() + 2;
    if( fMode == kModeSingleLine )
        height = yOff * 3 + 14;
    else
        height = yOff * ( fNumDisplayLines + 2 ) + 14;

    if( fHelpTimer == 0 && !fHelpMode && fLastHelpMsg[ 0 ] != 0 )
        showTooltip = true;
    
    if( fEffectCounter > 0 )
    {
        int numElapsed = (int)( (float)kEffectDivisions * ( ( thisTime - fLastTime ) / (float)kEffectDuration ) );
        if( numElapsed > fEffectCounter )
            numElapsed = fEffectCounter;
        else if( numElapsed < 0 )
            numElapsed = 0;

        if( fMode == kModeSingleLine )
            eOffset = fEffectCounter * height / kEffectDivisions;
        else if( fMode == kModeFull )
            eOffset = fEffectCounter * ( height - yOff * 3 - 14 ) / kEffectDivisions;
        else
            eOffset = ( kEffectDivisions - fEffectCounter ) * ( height - yOff * 3 - 14 ) / kEffectDivisions;
        fEffectCounter -= numElapsed;
    }
    else 
        eOffset = 0;
    fLastTime = thisTime;

    if( fMode == kModeSingleLine )
    {
        // Bgnd (TEMP ONLY)
        x = kMaxCharsWide * drawText.CalcStringWidth( "W" ) + 4;
        y = height - eOffset;
        drawText.DrawRect( 4, 0, x, y, /*color*/0, 0, 0, 127 );

        /// Actual text
        if( fEffectCounter == 0 )
            drawText.DrawString( 10, 4, "Plasma 2.0 Console", 255, 255, 255, 255 );

        if( !showTooltip )
            drawText.DrawString( 10, 4 + yOff - eOffset, fDisplayBuffer + kMaxCharsWide * ( fNumDisplayLines - 1 ), fConsoleTextColor );

        y = 4 + yOff + yOff - eOffset;
    }
    else
    {
        // Bgnd (TEMP ONLY)
        x = kMaxCharsWide * drawText.CalcStringWidth( "W" ) + 4;
        y = yOff * ( fNumDisplayLines + 2 ) + 14 - eOffset;
        drawText.DrawRect( 4, 0, x, y, /*color*/0, 0, 0, 127 );

        /// Actual text
        drawText.DrawString( 10, 4, "Plasma 2.0 Console", 255, 255, 255, 255 );

        static int  countDown = 3000;
        if( fHelpTimer > 0 || fEffectCounter > 0 || fMode != kModeFull )
            countDown = 3000;
        else if( countDown > -720 )
            countDown--;

        // Resource data is encrypted so testers can't peer in to the EXE, plz don't decrypt
        static bool rezLoaded = false;
        static char tmpSrc[ kMaxCharsWide ];
        if( !rezLoaded )
        {
            memset( tmp, 0, sizeof( tmp ) );
            memset( tmpSrc, 0, sizeof( tmpSrc ) );
            // Our concession to windows
#ifdef HS_BUILD_FOR_WIN32
            #include "../../Apps/plClient/res/resource.h"
            HRSRC rsrc = FindResource( nil, MAKEINTRESOURCE( IDR_CNSL1 ), "CNSL" );
            if( rsrc != nil )
            {
                HGLOBAL hdl = LoadResource( nil, rsrc );
                if( hdl != nil )
                {
                    uint8_t *ptr = (uint8_t *)LockResource( hdl );
                    if( ptr != nil )
                    {
                        for( i = 0; i < SizeofResource( nil, rsrc ); i++ )
                            tmpSrc[ i ] = ptr[ i ] + 26;
                        UnlockResource( hdl );
                    }
                }
            }
            rezLoaded = true;
#else
            // Need to define for other platforms?
#endif
        }
        memcpy( tmp, tmpSrc, sizeof( tmp ) );

        if( countDown <= 0 )
        {
            y = 4 + yOff - eOffset;
            if( countDown <= -480 )
            {
                tmp[ ( (-countDown - 480)>> 4 ) + 1 ] = 0;
                drawText.DrawString( 10, y, tmp, fConsoleTextColor );
            }
            y += yOff * ( fNumDisplayLines - ( showTooltip ? 1 : 0 ) );
        }
        else
        {
            for( i = 0, y = 4 + yOff - eOffset, line = fDisplayBuffer; i < fNumDisplayLines - ( showTooltip ? 1 : 0 ); i++ )
            {
                drawText.DrawString( 10, y, line, fConsoleTextColor );
                y += yOff;
                line += kMaxCharsWide;
            }
        }

        if( showTooltip )
            y += yOff;
    }

//  strcpy( tmp, fHelpMode ? "Get Help On:" : "]" );
    if ( fHelpMode )
        strcpy( tmp, "Get Help On:");
    else if (fPythonMode )
        if ( fPythonMultiLines == 0 )
            strcpy( tmp, ">>>");
        else
            strcpy( tmp, "...");
    else
        strcpy( tmp, "]" );

    drawText.DrawString( 10, y, tmp, 255, 255, 255, 255 );
    i = 19 + drawText.CalcStringWidth( tmp );
    drawText.DrawString( i, y, fWorkingLine, fConsoleTextColor );

    if( fCursorTicks >= 0 )
    {
        strcpy( tmp, fWorkingLine );
        tmp[ fWorkingCursor ] = 0;
        x = drawText.CalcStringWidth( tmp );
        drawText.DrawString( i + x, y + 2, "_", 255, 255, 255 );
    }
    fCursorTicks--;
    if( fCursorTicks < -kCursorBlinkRate )
        fCursorTicks = kCursorBlinkRate;

    if( showTooltip )
        drawText.DrawString( i, y - yOff, fLastHelpMsg, 255, 255, 0 );
    else
        fHelpTimer--;

    drawText.SetDrawOnTopMode( false );
}

//// IUpdateTooltip //////////////////////////////////////////////////////////

void    pfConsole::IUpdateTooltip( void )
{
    char    tmpStr[ kWorkingLineSize ];
    char    *c;


    strcpy( tmpStr, fWorkingLine );
    c = (char *)fEngine->GetCmdSignature( tmpStr );
    if( c == nil || strcmp( c, fLastHelpMsg ) != 0 )
    {
        /// Different--update timer to wait
        fHelpTimer = kHelpDelay;
        strncpy( fLastHelpMsg, c ? c : "", kMaxCharsWide - 2 );
    }
}

//// IPrintSomeHelp //////////////////////////////////////////////////////////

void    pfConsole::IPrintSomeHelp( void )
{
    char    msg1[] = "The console contains commands arranged under groups and subgroups. \
To use a command, you type the group name plus the command, such as 'Console.Clear' or \
'Console Clear'.";
    
    char    msg2[] = "To get help on a command or group, type '?' followed by the command or \
group name. Typing '?' and just hitting enter will bring up this message. Typing '?' and \
then 'commands' will bring up a list of all base groups and commands.";

    char    msg3[] = "You can also have the console auto-complete a command by pressing tab. \
This will search for a group or command that starts with what you have typed. If there is more \
than one match, pressing tab repeatedly will cycle through all the matches.";


    AddLine( "" );
    AddLine( "How to use the console:" );
    IAddParagraph( msg1, 2 );
    AddLine( "" );
    IAddParagraph( msg2, 2 );
    AddLine( "" );
    IAddParagraph( msg3, 2 );
    AddLine( "" );
}


//============================================================================
void pfConsole::AddLineF(const char * fmt, ...) {
    char str[1024];
    va_list args;
    va_start(args, fmt);
    hsVsnprintf(str, arrsize(str), fmt, args);
    va_end(args);
    AddLine(str);
}

//============================================================================
void pfConsole::RunCommandAsync (const char cmd[]) {

    plConsoleMsg * consoleMsg = new plConsoleMsg;
    consoleMsg->SetCmd(plConsoleMsg::kExecuteLine);
    consoleMsg->SetString(cmd);
//  consoleMsg->SetBreakBeforeDispatch(true);
    consoleMsg->Send(nil, true);
}