/*
===========================================================================
Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
Doom 3 Source Code 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.
Doom 3 Source Code 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 Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 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 Source Code. If not, please request a copy in writing from id Software at the address below.
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.
===========================================================================
*/
#define DEBUG 1
#include <aros/debug.h>
#undef ASSERT
#include <proto/exec.h>
#include <proto/dos.h>
// undefine - conflict with ID functions
#undef Remove
#undef Insert
#undef Read
#undef Write
#undef Seek
#undef Flush
#undef Close
#undef Allocate
#undef Printf
#undef VPrintf
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <dirent.h>
#include <unistd.h>
#include <sys/time.h>
#include <pwd.h>
#include <termios.h>
#include <signal.h>
#include <fcntl.h>
#include <SDL_main.h>
#include "dll/dll.h"
#include "sys/platform.h"
#include "idlib/containers/StrList.h"
#include "framework/FileSystem.h"
#include "framework/KeyInput.h"
#include "framework/EditField.h"
#include "sys/sys_local.h"
#include "sys/aros/aros_public.h"
#define COMMAND_HISTORY 64
extern idStr adoom3_basepath;
extern idStr adoom3_savepath;
static int input_hide = 0;
idEditField input_field;
static char input_ret[256];
static idStr history[ COMMAND_HISTORY ]; // cycle buffer
static int history_count = 0; // buffer fill up
static int history_start = 0; // current history start
static int history_current = 0; // goes back in history
idEditField history_backup; // the base edit line
// terminal support
idCVar in_tty( "in_tty", "1", CVAR_BOOL | CVAR_INIT | CVAR_SYSTEM, "terminal tab-completion and history" );
static bool tty_enabled = false;
static struct termios tty_tc;
// pid - useful when you attach to gdb..
idCVar com_pid( "com_pid", "0", CVAR_INTEGER | CVAR_INIT | CVAR_SYSTEM, "process id" );
// exit - quit - error --------------------------------------------------------
static int set_exit = 0;
static char exit_spawn[ 1024 ];
/*
================
AROS_Exit
================
*/
void AROS_Exit(int ret) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
if ( tty_enabled ) {
Sys_Printf( "shutdown terminal support\n" );
#if (0)
if ( tcsetattr( 0, TCSADRAIN, &tty_tc ) == -1 ) {
Sys_Printf( "tcsetattr failed: %s\n", strerror( errno ) );
}
#endif
}
// at this point, too late to catch signals
AROS_ClearSigs();
// process spawning. it's best when it happens after everything has shut down
if ( exit_spawn[0] ) {
Sys_DoStartProcess( exit_spawn, false );
}
// in case of signal, handler tries a common->Quit
// we use set_exit to maintain a correct exit code
if ( set_exit ) {
exit( set_exit );
}
exit( ret );
}
/*
================
AROS_SetExit
================
*/
void AROS_SetExit(int ret) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
set_exit = 0;
}
/*
===============
AROS_SetExitSpawn
set the process to be spawned when we quit
===============
*/
void AROS_SetExitSpawn( const char *exeName ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
idStr::Copynz( exit_spawn, exeName, 1024 );
}
/*
==================
idSysLocal::StartProcess
if !quit, start the process asap
otherwise, push it for execution at exit
(i.e. let complete shutdown of the game and freeing of resources happen)
NOTE: might even want to add a small delay?
==================
*/
void idSysLocal::StartProcess( const char *exeName, bool quit ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
if ( quit ) {
common->DPrintf( "Sys_StartProcess %s (delaying until final exit)\n", exeName );
AROS_SetExitSpawn( exeName );
cmdSystem->BufferCommandText( CMD_EXEC_APPEND, "quit\n" );
return;
}
common->DPrintf( "Sys_StartProcess %s\n", exeName );
Sys_DoStartProcess( exeName );
}
/*
================
Sys_Quit
================
*/
void Sys_Quit(void) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
AROS_Exit( EXIT_SUCCESS );
}
/*
=================
Sys_Init
=================
*/
void Sys_Init( void ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
AROS_InitConsoleInput();
com_pid.SetString( (char *)FindTask(NULL) );
common->Printf( "pid: %p\n", com_pid.GetString() );
common->Printf( "%d MB System Memory\n", Sys_GetSystemRam() );
#if (0)
#ifndef ID_DEDICATED
common->Printf( "%d MB Video Memory\n", Sys_GetVideoRam() );
#endif
#endif
}
/*
=================
AROS_Shutdown
=================
*/
void AROS_Shutdown( void ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
for ( int i = 0; i < COMMAND_HISTORY; i++ ) {
history[ i ].Clear();
}
}
/*
=================
Sys_DLL_Load
=================
*/
uintptr_t Sys_DLL_Load( const char *path ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
void *handle = dllLoadLibrary( (char *)path, FilePart(path) );
if ( !handle ) {
Sys_Printf( "dllLoadLibrary '%s' failed\n", path );
}
return (uintptr_t)handle;
}
/*
=================
Sys_DLL_GetProcAddress
=================
*/
void* Sys_DLL_GetProcAddress( uintptr_t handle, const char *sym ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
//const char *error;
void *ret = dllGetProcAddress( (void *)handle, (char *)sym);
if (ret == NULL) {
Sys_Printf( "dllGetProcAddress '%s' failed\n", sym );
}
return ret;
}
/*
=================
Sys_DLL_Unload
=================
*/
void Sys_DLL_Unload( uintptr_t handle ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
dllFreeLibrary( (void *)handle);
}
/*
================
Sys_ShowConsole
================
*/
void Sys_ShowConsole( int visLevel, bool quitOnClose ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
}
// ---------------------------------------------------------------------------
ID_TIME_T Sys_FileTimeStamp(FILE * fp) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
struct stat st;
fstat(fileno(fp), &st);
return st.st_mtime;
}
bool Sys_FPU_StackIsEmpty( void ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
return true;
}
const char *Sys_FPU_GetState( void ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
return "";
}
void Sys_FPU_SetPrecision( int precision ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
}
/*
================
Sys_SetPhysicalWorkMemory
================
*/
void Sys_SetPhysicalWorkMemory( int minBytes, int maxBytes ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
common->DPrintf( "TODO: Sys_SetPhysicalWorkMemory\n" );
}
/*
===============
AROS_EarlyInit
===============
*/
void AROS_EarlyInit( void ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
exit_spawn[0] = '\0';
AROS_InitLibs();
AROS_InitSigs();
}
/*
===============
AROS_InitConsoleInput
===============
*/
void AROS_InitConsoleInput( void ) {
struct termios tc;
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
if ( in_tty.GetBool() ) {
if ( isatty( STDIN_FILENO ) != 1 ) {
Sys_Printf( "terminal support disabled: stdin is not a tty\n" );
in_tty.SetBool( false );
return;
}
#if !defined(__AROS__)
if ( tcgetattr( 0, &tty_tc ) == -1 ) {
Sys_Printf( "tcgetattr failed. disabling terminal support: %s\n", strerror( errno ) );
in_tty.SetBool( false );
return;
}
// make the input non blocking
if ( fcntl( STDIN_FILENO, F_SETFL, fcntl( STDIN_FILENO, F_GETFL, 0 ) | O_NONBLOCK ) == -1 ) {
Sys_Printf( "fcntl STDIN non blocking failed. disabling terminal support: %s\n", strerror( errno ) );
in_tty.SetBool( false );
return;
}
#endif
tc = tty_tc;
/*
ECHO: don't echo input characters
ICANON: enable canonical mode. This enables the special
characters EOF, EOL, EOL2, ERASE, KILL, REPRINT,
STATUS, and WERASE, and buffers by lines.
ISIG: when any of the characters INTR, QUIT, SUSP, or
DSUSP are received, generate the corresponding signal
*/
tc.c_lflag &= ~(ECHO | ICANON);
/*
ISTRIP strip off bit 8
INPCK enable input parity checking
*/
tc.c_iflag &= ~(ISTRIP | INPCK);
tc.c_cc[VMIN] = 1;
tc.c_cc[VTIME] = 0;
#if !defined(__AROS__)
if ( tcsetattr( 0, TCSADRAIN, &tc ) == -1 ) {
Sys_Printf( "tcsetattr failed: %s\n", strerror( errno ) );
Sys_Printf( "terminal support may not work correctly. Use +set in_tty 0 to disable it\n" );
}
// make the output non blocking
if ( fcntl( STDOUT_FILENO, F_SETFL, fcntl( STDOUT_FILENO, F_GETFL, 0 ) | O_NONBLOCK ) == -1 ) {
Sys_Printf( "fcntl STDOUT non blocking failed: %s\n", strerror( errno ) );
}
#endif
tty_enabled = true;
// check the terminal type for the supported ones
char *term = getenv( "TERM" );
if ( term ) {
if ( strcmp( term, "linux" ) && strcmp( term, "xterm" ) && strcmp( term, "xterm-color" ) && strcmp( term, "screen" ) ) {
Sys_Printf( "WARNING: terminal type '%s' is unknown. terminal support may not work correctly\n", term );
}
}
Sys_Printf( "terminal support enabled ( use +set in_tty 0 to disabled )\n" );
} else {
Sys_Printf( "terminal support disabled\n" );
}
}
/*
================
terminal support utilities
================
*/
void tty_Del() {
putchar('\b');
putchar(' ');
putchar('\b');
}
void tty_Left() {
putchar('\b');
}
void tty_Right() {
putchar(27);
putchar('[');
putchar('C');
}
// clear the display of the line currently edited
// bring cursor back to beginning of line
void tty_Hide() {
int len, buf_len;
if ( !tty_enabled ) {
return;
}
if ( input_hide ) {
input_hide++;
return;
}
// clear after cursor
len = strlen( input_field.GetBuffer() ) - input_field.GetCursor();
while ( len > 0 ) {
tty_Right();
len--;
}
buf_len = strlen( input_field.GetBuffer() );
while ( buf_len > 0 ) {
tty_Del();
buf_len--;
}
input_hide++;
}
// show the current line
void tty_Show() {
// int i;
if ( !tty_enabled ) {
return;
}
assert( input_hide > 0 );
input_hide--;
if ( input_hide == 0 ) {
char *buf = input_field.GetBuffer();
size_t len = strlen(buf);
if ( len < 1 )
return;
len = write( STDOUT_FILENO, buf, len );
if ( len < 1 )
return;
len -= input_field.GetCursor();
while ( len > 0 ) {
tty_Left();
len--;
}
}
}
void tty_FlushIn() {
char key;
while ( ( key = getchar() ) != EOF ) {
Sys_Printf( "'%d' ", key );
}
Sys_Printf( "\n" );
}
/*
================
Sys_ConsoleInput
Checks for a complete line of text typed in at the console.
Return NULL if a complete line is not ready.
================
*/
char *Sys_ConsoleInput( void ) {
/*
if ( tty_enabled ) {
char key;
bool hidden = false;
while ( ( key = getchar() ) != EOF ) {
if ( !hidden ) {
tty_Hide();
hidden = true;
}
switch ( key ) {
case 1:
input_field.SetCursor( 0 );
break;
case 5:
input_field.SetCursor( strlen( input_field.GetBuffer() ) );
break;
case 127:
case 8:
input_field.CharEvent( K_BACKSPACE );
break;
case '\n':
idStr::Copynz( input_ret, input_field.GetBuffer(), sizeof( input_ret ) );
assert( hidden );
tty_Show();
putchar(key);
input_field.Clear();
if ( history_count < CMD_HIST ) {
history[ history_count ] = input_ret;
history_count++;
} else {
history[ history_start ] = input_ret;
history_start++;
history_start %= CMD_HIST;
}
history_current = 0;
return input_ret;
case '\t':
input_field.AutoComplete();
break;
case 27: {
// enter escape sequence mode
if ( ( key = getchar() ) == EOF ) {
Sys_Printf( "dropping sequence: '27' " );
tty_FlushIn();
assert( hidden );
tty_Show();
return NULL;
}
switch ( key ) {
case 79:
if ( ( key = getchar() ) == EOF ) {
Sys_Printf( "dropping sequence: '27' '79' " );
tty_FlushIn();
assert( hidden );
tty_Show();
return NULL;
}
switch ( key ) {
case 72:
// xterm only
input_field.SetCursor( 0 );
break;
case 70:
// xterm only
input_field.SetCursor( strlen( input_field.GetBuffer() ) );
break;
default:
Sys_Printf( "dropping sequence: '27' '79' '%d' ", key );
tty_FlushIn();
assert( hidden );
tty_Show();
return NULL;
}
break;
case 91: {
if ( ( key = getchar() ) == EOF ) {
Sys_Printf( "dropping sequence: '27' '91' " );
tty_FlushIn();
assert( hidden );
tty_Show();
return NULL;
}
switch ( key ) {
case 49: {
if ( ( key = getchar() ) == EOF || key != 126 ) {
Sys_Printf( "dropping sequence: '27' '91' '49' '%d' ", key );
tty_FlushIn();
assert( hidden );
tty_Show();
return NULL;
}
// only screen and linux terms
input_field.SetCursor( 0 );
break;
}
case 50: {
if ( ( key = getchar() ) == EOF || key != 126 ) {
Sys_Printf( "dropping sequence: '27' '91' '50' '%d' ", key );
tty_FlushIn();
assert( hidden );
tty_Show();
return NULL;
}
// all terms
input_field.KeyDownEvent( K_INS );
break;
}
case 52: {
if ( ( key = getchar() ) == EOF || key != 126 ) {
Sys_Printf( "dropping sequence: '27' '91' '52' '%d' ", key );
tty_FlushIn();
assert( hidden );
tty_Show();
return NULL;
}
// only screen and linux terms
input_field.SetCursor( strlen( input_field.GetBuffer() ) );
break;
}
case 51: {
if ( ( key = getchar() ) == EOF ) {
Sys_Printf( "dropping sequence: '27' '91' '51' " );
tty_FlushIn();
assert( hidden );
tty_Show();
return NULL;
}
if ( key == 126 ) {
input_field.KeyDownEvent( K_DEL );
break;
}
Sys_Printf( "dropping sequence: '27' '91' '51' '%d'", key );
tty_FlushIn();
assert( hidden );
tty_Show();
return NULL;
}
case 65:
case 66: {
// history
if ( history_current == 0 ) {
history_backup = input_field;
}
if ( key == 65 ) {
// up
history_current++;
} else {
// down
history_current--;
}
// history_current cycle:
// 0: current edit
// 1 .. Min( CMD_HIST, history_count ): back in history
if ( history_current < 0 ) {
history_current = Min( CMD_HIST, history_count );
} else {
history_current %= Min( CMD_HIST, history_count ) + 1;
}
int index = -1;
if ( history_current == 0 ) {
input_field = history_backup;
} else {
index = history_start + Min( CMD_HIST, history_count ) - history_current;
index %= CMD_HIST;
assert( index >= 0 && index < CMD_HIST );
input_field.SetBuffer( history[ index ] );
}
assert( hidden );
tty_Show();
return NULL;
}
case 67:
input_field.KeyDownEvent( K_RIGHTARROW );
break;
case 68:
input_field.KeyDownEvent( K_LEFTARROW );
break;
default:
Sys_Printf( "dropping sequence: '27' '91' '%d' ", key );
tty_FlushIn();
assert( hidden );
tty_Show();
return NULL;
}
break;
}
default:
Sys_Printf( "dropping sequence: '27' '%d' ", key );
tty_FlushIn();
assert( hidden );
tty_Show();
return NULL;
}
break;
}
default:
if ( key >= ' ' ) {
input_field.CharEvent( key );
break;
}
Sys_Printf( "dropping sequence: '%d' ", key );
tty_FlushIn();
assert( hidden );
tty_Show();
return NULL;
}
}
if ( hidden ) {
tty_Show();
}
return NULL;
} else {
// no terminal support - read only complete lines
int len;
fd_set fdset;
struct timeval timeout;
FD_ZERO( &fdset );
FD_SET( STDIN_FILENO, &fdset );
timeout.tv_sec = 0;
timeout.tv_usec = 0;
if ( select( 1, &fdset, NULL, NULL, &timeout ) == -1 || !FD_ISSET( 0, &fdset ) ) {
return NULL;
}
len = read( 0, input_ret, sizeof( input_ret ) );
if ( len == 0 ) {
// EOF
return NULL;
}
if ( len < 1 ) {
Sys_Printf( "read failed: %s\n", strerror( errno ) ); // something bad happened, cancel this line and print an error
return NULL;
}
if ( len == sizeof( input_ret ) ) {
Sys_Printf( "read overflow\n" ); // things are likely to break, as input will be cut into pieces
}
input_ret[ len-1 ] = '\0'; // rip off the \n and terminate
return input_ret;
}*/
return NULL;
}
/*
===============
low level output
===============
*/
void Sys_DebugPrintf( const char *fmt, ... ) {
va_list argptr;
tty_Hide();
va_start( argptr, fmt );
vprintf( fmt, argptr );
va_end( argptr );
tty_Show();
}
void Sys_DebugVPrintf( const char *fmt, va_list arg ) {
tty_Hide();
vprintf( fmt, arg );
tty_Show();
}
void Sys_Printf(const char *msg, ...) {
va_list argptr;
tty_Hide();
va_start( argptr, msg );
vprintf( msg, argptr );
va_end( argptr );
tty_Show();
}
void Sys_VPrintf(const char *msg, va_list arg) {
tty_Hide();
vprintf(msg, arg);
tty_Show();
}
/*
================
Sys_Error
================
*/
void Sys_Error(const char *error, ...) {
va_list argptr;
Sys_Printf( "Sys_Error: " );
va_start( argptr, error );
Sys_DebugVPrintf( error, argptr );
va_end( argptr );
Sys_Printf( "\n" );
AROS_Exit( EXIT_FAILURE );
}
/*
===============
Sys_Shutdown
===============
*/
void Sys_Shutdown( void ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
adoom3_basepath.Clear();
adoom3_savepath.Clear();
AROS_Shutdown();
}
/*
===============
Sys_FPU_EnableExceptions
===============
*/
void Sys_FPU_EnableExceptions( int exceptions ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
}
/*
===============
Sys_FPE_handler
===============
*/
void Sys_FPE_handler( int signum, siginfo_t *info, void *context ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
assert( signum == SIGFPE );
Sys_Printf( "FPE\n" );
}
/*
==================
Sys_DoStartProcess
if we don't fork, this function never returns
the no-fork lets you keep the terminal when you're about to spawn an installer
if the command contains spaces, system() is used. Otherwise the more straightforward execl ( system() blows though )
==================
*/
void Sys_DoStartProcess( const char *exeName, bool dofork ) {
bool use_system = false;
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
if ( strchr( exeName, ' ' ) ) {
use_system = true;
} else {
// set exec rights when it's about a single file to execute
struct stat buf;
if ( stat( exeName, &buf ) == -1 ) {
printf( "stat %s failed: %s\n", exeName, strerror( errno ) );
} else {
if ( chmod( exeName, buf.st_mode | S_IXUSR ) == -1 ) {
printf( "cmod +x %s failed: %s\n", exeName, strerror( errno ) );
}
}
}
if ( use_system ) {
printf( "system %s\n", exeName );
if (system( exeName ) == -1)
printf( "system failed: %s\n", strerror( errno ) );
else
sleep( 1 ); // on some systems I've seen that starting the new process and exiting this one should not be too close
} else {
printf( "execl %s\n", exeName );
execl( exeName, exeName, 0 );
printf( "execl failed: %s\n", strerror( errno ) );
}
// terminate
_exit( 0 );
}
/*
=================
Sys_OpenURL
=================
*/
void idSysLocal::OpenURL( const char *url, bool quit ) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
AROS_OpenURL( url );
}
/*
===============
main
===============
*/
int main(int argc, char **argv) {
bug("[ADoom3] %s()\n", __PRETTY_FUNCTION__);
AROS_EarlyInit( );
if ( argc > 1 ) {
common->Init( argc-1, &argv[1] );
} else {
common->Init( 0, NULL );
}
Sys_Init( );
while (1) {
common->Frame();
}
return 0;
}