mirror of
https://github.com/id-Software/DOOM-3-BFG.git
synced 2024-11-24 21:12:03 +00:00
274 lines
6.8 KiB
C++
274 lines
6.8 KiB
C++
/*
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===========================================================================
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Doom 3 BFG Edition GPL Source Code
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Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
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Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#include "../idlib/precompiled.h"
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#pragma hdrstop
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idCVar idEventLoop::com_journal( "com_journal", "0", CVAR_INIT|CVAR_SYSTEM, "1 = record journal, 2 = play back journal", 0, 2, idCmdSystem::ArgCompletion_Integer<0,2> );
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idEventLoop eventLoopLocal;
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idEventLoop *eventLoop = &eventLoopLocal;
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/*
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=================
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idEventLoop::idEventLoop
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=================
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*/
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idEventLoop::idEventLoop() {
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com_journalFile = NULL;
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com_journalDataFile = NULL;
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initialTimeOffset = 0;
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}
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/*
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=================
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idEventLoop::~idEventLoop
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=================
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*/
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idEventLoop::~idEventLoop() {
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}
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/*
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=================
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idEventLoop::GetRealEvent
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=================
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*/
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sysEvent_t idEventLoop::GetRealEvent() {
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int r;
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sysEvent_t ev;
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// either get an event from the system or the journal file
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if ( com_journal.GetInteger() == 2 ) {
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r = com_journalFile->Read( &ev, sizeof(ev) );
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if ( r != sizeof(ev) ) {
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common->FatalError( "Error reading from journal file" );
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}
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if ( ev.evPtrLength ) {
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ev.evPtr = Mem_ClearedAlloc( ev.evPtrLength, TAG_EVENTS );
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r = com_journalFile->Read( ev.evPtr, ev.evPtrLength );
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if ( r != ev.evPtrLength ) {
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common->FatalError( "Error reading from journal file" );
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}
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}
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} else {
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ev = Sys_GetEvent();
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// write the journal value out if needed
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if ( com_journal.GetInteger() == 1 ) {
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r = com_journalFile->Write( &ev, sizeof(ev) );
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if ( r != sizeof(ev) ) {
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common->FatalError( "Error writing to journal file" );
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}
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if ( ev.evPtrLength ) {
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r = com_journalFile->Write( ev.evPtr, ev.evPtrLength );
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if ( r != ev.evPtrLength ) {
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common->FatalError( "Error writing to journal file" );
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}
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}
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}
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}
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return ev;
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}
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/*
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=================
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idEventLoop::PushEvent
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=================
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*/
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void idEventLoop::PushEvent( sysEvent_t *event ) {
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sysEvent_t *ev;
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static bool printedWarning;
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ev = &com_pushedEvents[ com_pushedEventsHead & (MAX_PUSHED_EVENTS-1) ];
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if ( com_pushedEventsHead - com_pushedEventsTail >= MAX_PUSHED_EVENTS ) {
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// don't print the warning constantly, or it can give time for more...
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if ( !printedWarning ) {
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printedWarning = true;
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common->Printf( "WARNING: Com_PushEvent overflow\n" );
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}
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if ( ev->evPtr ) {
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Mem_Free( ev->evPtr );
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}
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com_pushedEventsTail++;
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} else {
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printedWarning = false;
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}
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*ev = *event;
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com_pushedEventsHead++;
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}
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/*
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=================
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idEventLoop::GetEvent
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=================
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*/
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sysEvent_t idEventLoop::GetEvent() {
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if ( com_pushedEventsHead > com_pushedEventsTail ) {
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com_pushedEventsTail++;
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return com_pushedEvents[ (com_pushedEventsTail-1) & (MAX_PUSHED_EVENTS-1) ];
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}
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return GetRealEvent();
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}
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/*
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=================
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idEventLoop::ProcessEvent
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=================
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*/
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void idEventLoop::ProcessEvent( sysEvent_t ev ) {
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// track key up / down states
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if ( ev.evType == SE_KEY ) {
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idKeyInput::PreliminaryKeyEvent( ev.evValue, ( ev.evValue2 != 0 ) );
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}
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if ( ev.evType == SE_CONSOLE ) {
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// from a text console outside the game window
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cmdSystem->BufferCommandText( CMD_EXEC_APPEND, (char *)ev.evPtr );
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cmdSystem->BufferCommandText( CMD_EXEC_APPEND, "\n" );
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} else {
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common->ProcessEvent( &ev );
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}
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// free any block data
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if ( ev.evPtr ) {
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Mem_Free( ev.evPtr );
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}
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}
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/*
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===============
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idEventLoop::RunEventLoop
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===============
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*/
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int idEventLoop::RunEventLoop( bool commandExecution ) {
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sysEvent_t ev;
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while ( 1 ) {
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if ( commandExecution ) {
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// execute any bound commands before processing another event
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cmdSystem->ExecuteCommandBuffer();
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}
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ev = GetEvent();
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// if no more events are available
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if ( ev.evType == SE_NONE ) {
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return 0;
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}
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ProcessEvent( ev );
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}
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return 0; // never reached
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}
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/*
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=============
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idEventLoop::Init
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=============
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*/
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void idEventLoop::Init() {
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initialTimeOffset = Sys_Milliseconds();
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common->StartupVariable( "journal" );
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if ( com_journal.GetInteger() == 1 ) {
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common->Printf( "Journaling events\n" );
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com_journalFile = fileSystem->OpenFileWrite( "journal.dat" );
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com_journalDataFile = fileSystem->OpenFileWrite( "journaldata.dat" );
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} else if ( com_journal.GetInteger() == 2 ) {
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common->Printf( "Replaying journaled events\n" );
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com_journalFile = fileSystem->OpenFileRead( "journal.dat" );
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com_journalDataFile = fileSystem->OpenFileRead( "journaldata.dat" );
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}
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if ( !com_journalFile || !com_journalDataFile ) {
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com_journal.SetInteger( 0 );
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com_journalFile = 0;
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com_journalDataFile = 0;
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common->Printf( "Couldn't open journal files\n" );
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}
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}
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/*
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=============
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idEventLoop::Shutdown
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=============
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*/
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void idEventLoop::Shutdown() {
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if ( com_journalFile ) {
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fileSystem->CloseFile( com_journalFile );
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com_journalFile = NULL;
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}
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if ( com_journalDataFile ) {
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fileSystem->CloseFile( com_journalDataFile );
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com_journalDataFile = NULL;
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}
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}
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/*
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================
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idEventLoop::Milliseconds
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Can be used for profiling, but will be journaled accurately
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================
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*/
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int idEventLoop::Milliseconds() {
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#if 1 // FIXME!
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return Sys_Milliseconds() - initialTimeOffset;
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#else
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sysEvent_t ev;
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// get events and push them until we get a null event with the current time
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do {
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ev = Com_GetRealEvent();
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if ( ev.evType != SE_NONE ) {
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Com_PushEvent( &ev );
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}
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} while ( ev.evType != SE_NONE );
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return ev.evTime;
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#endif
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}
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/*
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================
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idEventLoop::JournalLevel
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================
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*/
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int idEventLoop::JournalLevel() const {
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return com_journal.GetInteger();
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}
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