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qzdoom/src/m_misc.cpp
Randy Heit b132575533 - Added a dialog that gives the user the chance to fix things if the config 
could not be saved for some reason.
- Added the writeini console command to write the config file, optionally
  specifying a specific file name for it.
- Fixed: "Multiplayer" demos that only had one player were not played back
  properly because the demo playback code only checked the number of players
  to determine if it should be played as a netdemo.


SVN r333 (trunk)
2006-09-20 02:00:19 +00:00

655 lines
12 KiB
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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
//
// $Log:$
//
// DESCRIPTION:
// Default Config File.
// Screenshots.
//
//-----------------------------------------------------------------------------
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdlib.h>
#include <errno.h>
#include <malloc.h>
#include "doomtype.h"
#include "version.h"
#if defined(_WIN32)
#include <io.h>
#else
#include <unistd.h>
#endif
#include <ctype.h>
#include "m_alloc.h"
#include "doomdef.h"
#include "m_swap.h"
#include "m_argv.h"
#include "w_wad.h"
#include "c_cvars.h"
#include "c_dispatch.h"
#include "c_bind.h"
#include "i_system.h"
#include "i_video.h"
#include "v_video.h"
#include "hu_stuff.h"
// State.
#include "doomstat.h"
// Data.
#include "m_misc.h"
#include "m_png.h"
#include "cmdlib.h"
#include "g_game.h"
#include "gi.h"
#include "gameconfigfile.h"
FGameConfigFile *GameConfig;
CVAR(Bool, screenshot_quiet, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG);
CVAR(String, screenshot_type, "png", CVAR_ARCHIVE|CVAR_GLOBALCONFIG);
CVAR(String, screenshot_dir, "", CVAR_ARCHIVE|CVAR_GLOBALCONFIG);
extern void FreeKeySections();
static long ParseCommandLine (const char *args, int *argc, char **argv);
//
// M_WriteFile
//
#ifndef O_BINARY
#define O_BINARY 0
#endif
bool M_WriteFile (char const *name, void *source, int length)
{
int handle;
int count;
handle = open ( name, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
if (handle == -1)
return false;
count = write (handle, source, length);
close (handle);
if (count < length)
return false;
return true;
}
//
// M_ReadFile
//
int M_ReadFile (char const *name, BYTE **buffer)
{
int handle, count, length;
struct stat fileinfo;
BYTE *buf;
handle = open (name, O_RDONLY | O_BINARY, 0666);
if (handle == -1)
I_Error ("Couldn't read file %s", name);
if (fstat (handle,&fileinfo) == -1)
I_Error ("Couldn't read file %s", name);
length = fileinfo.st_size;
buf = new BYTE[length];
count = read (handle, buf, length);
close (handle);
if (count < length)
I_Error ("Couldn't read file %s", name);
*buffer = buf;
return length;
}
//---------------------------------------------------------------------------
//
// PROC M_FindResponseFile
//
//---------------------------------------------------------------------------
void M_FindResponseFile (void)
{
int i;
for (i = 1; i < Args.NumArgs(); i++)
{
if (Args.GetArg(i)[0] == '@')
{
char **argv;
char *file;
int argc;
int argcinresp;
FILE *handle;
int size;
long argsize;
int k;
int index;
// READ THE RESPONSE FILE INTO MEMORY
handle = fopen (Args.GetArg(i) + 1,"rb");
if (!handle)
{ // [RH] Make this a warning, not an error.
Printf ("No such response file (%s)!", Args.GetArg(i) + 1);
continue;
}
Printf ("Found response file %s!\n", Args.GetArg(i) + 1);
fseek (handle, 0, SEEK_END);
size = ftell (handle);
fseek (handle, 0, SEEK_SET);
file = new char[size+1];
fread (file, size, 1, handle);
file[size] = 0;
fclose (handle);
argsize = ParseCommandLine (file, &argcinresp, NULL);
argc = argcinresp + Args.NumArgs() - 1;
if (argc != 0)
{
argv = (char **)M_Malloc (argc*sizeof(char *) + argsize);
argv[i] = (char *)argv + argc*sizeof(char *);
ParseCommandLine (file, NULL, argv+i);
for (index = 0; index < i; ++index)
argv[index] = Args.GetArg (index);
for (index = i + 1, i += argcinresp; index < Args.NumArgs (); ++index)
argv[i++] = Args.GetArg (index);
DArgs newargs (i, argv);
Args = newargs;
}
delete[] file;
// DISPLAY ARGS
Printf ("%d command-line args:\n", Args.NumArgs ());
for (k = 1; k < Args.NumArgs (); k++)
Printf ("%s\n", Args.GetArg (k));
break;
}
}
}
// ParseCommandLine
//
// This is just like the version in c_dispatch.cpp, except it does not
// do cvar expansion.
static long ParseCommandLine (const char *args, int *argc, char **argv)
{
int count;
char *buffplace;
count = 0;
buffplace = NULL;
if (argv != NULL)
{
buffplace = argv[0];
}
for (;;)
{
while (*args <= ' ' && *args)
{ // skip white space
args++;
}
if (*args == 0)
{
break;
}
else if (*args == '\"')
{ // read quoted string
char stuff;
if (argv != NULL)
{
argv[count] = buffplace;
}
count++;
args++;
do
{
stuff = *args++;
if (stuff == '\\' && *args == '\"')
{
stuff = '\"', args++;
}
else if (stuff == '\"')
{
stuff = 0;
}
else if (stuff == 0)
{
args--;
}
if (argv != NULL)
{
*buffplace = stuff;
}
buffplace++;
} while (stuff);
}
else
{ // read unquoted string
const char *start = args++, *end;
while (*args && *args > ' ' && *args != '\"')
args++;
end = args;
if (argv != NULL)
{
argv[count] = buffplace;
while (start < end)
*buffplace++ = *start++;
*buffplace++ = 0;
}
else
{
buffplace += end - start + 1;
}
count++;
}
}
if (argc != NULL)
{
*argc = count;
}
return (long)(buffplace - (char *)0);
}
#ifdef unix
FString GetUserFile (const char *file, bool nodir)
{
char *home = getenv ("HOME");
if (home == NULL || *home == '\0')
I_FatalError ("Please set your HOME environment variable");
FString path = home;
if (path[path.Len()-1] != '/')
path += nodir ? "/" : "/.zdoom";
else if (!nodir)
path += ".zdoom";
if (!nodir)
{
struct stat info;
if (stat (path, &info) == -1)
{
if (mkdir (path, S_IRUSR | S_IWUSR | S_IXUSR) == -1)
{
I_FatalError ("Failed to create %s directory:\n%s",
path.GetChars(), strerror (errno));
}
}
else
{
if (!S_ISDIR(info.st_mode))
{
I_FatalError ("%s must be a directory", path.GetChars());
}
}
}
path += '/';
path += file;
return path;
}
#endif
//
// M_SaveDefaults
//
bool M_SaveDefaults (const char *filename)
{
FString oldpath;
bool success;
if (filename != NULL)
{
oldpath = GameConfig->GetPathName();
GameConfig->ChangePathName (filename);
}
GameConfig->ArchiveGlobalData ();
if (GameNames[gameinfo.gametype] != NULL)
{
GameConfig->ArchiveGameData (GameNames[gameinfo.gametype]);
}
success = GameConfig->WriteConfigFile ();
if (filename != NULL)
{
GameConfig->ChangePathName (filename);
}
return success;
}
void M_SaveDefaultsFinal ()
{
while (!M_SaveDefaults (NULL) && I_WriteIniFailed ())
{
/* Loop until the config saves or I_WriteIniFailed() returns false */
}
delete GameConfig;
GameConfig = NULL;
}
CCMD (writeini)
{
const char *filename = (argv.argc() == 1) ? NULL : argv[1];
if (!M_SaveDefaults (filename))
{
Printf ("Writing config failed: %s\n", strerror(errno));
}
else
{
Printf ("Config saved.\n");
}
}
//
// M_LoadDefaults
//
void M_LoadDefaults ()
{
GameConfig = new FGameConfigFile;
GameConfig->DoGlobalSetup ();
atterm (FreeKeySections);
atterm (M_SaveDefaultsFinal);
}
//
// SCREEN SHOTS
//
typedef struct
{
char manufacturer;
char version;
char encoding;
char bits_per_pixel;
unsigned short xmin;
unsigned short ymin;
unsigned short xmax;
unsigned short ymax;
unsigned short hdpi;
unsigned short vdpi;
unsigned char palette[48];
char reserved;
char color_planes;
unsigned short bytes_per_line;
unsigned short palette_type;
char filler[58];
} pcx_t;
//
// WritePCXfile
//
void WritePCXfile (FILE *file, const DCanvas *canvas, const PalEntry *palette)
{
int x, y;
int runlen;
BYTE color;
pcx_t pcx;
BYTE *data;
int width, height, pitch;
data = canvas->GetBuffer ();
width = canvas->GetWidth ();
height = canvas->GetHeight ();
pitch = canvas->GetPitch ();
pcx.manufacturer = 10; // PCX id
pcx.version = 5; // 256 color
pcx.encoding = 1;
pcx.bits_per_pixel = 8; // 256 color
pcx.xmin = 0;
pcx.ymin = 0;
pcx.xmax = LittleShort(width-1);
pcx.ymax = LittleShort(height-1);
pcx.hdpi = LittleShort(75);
pcx.vdpi = LittleShort(75);
memset (pcx.palette, 0, sizeof(pcx.palette));
pcx.reserved = 0;
pcx.color_planes = 1; // chunky image
pcx.bytes_per_line = width + (width & 1);
pcx.palette_type = 1; // not a grey scale
memset (pcx.filler, 0, sizeof(pcx.filler));
fwrite (&pcx, 128, 1, file);
// pack the image
for (y = height; y > 0; y--)
{
color = *data++;
runlen = 1;
for (x = width - 1; x > 0; x--)
{
if (*data == color)
{
runlen++;
}
else
{
if (runlen > 1 || color >= 0xc0)
{
while (runlen > 63)
{
putc (0xff, file);
putc (color, file);
runlen -= 63;
}
if (runlen > 0)
{
putc (0xc0 + runlen, file);
}
}
if (runlen > 0)
{
putc (color, file);
}
runlen = 1;
color = *data;
}
data++;
}
if (runlen > 1 || color >= 0xc0)
{
while (runlen > 63)
{
putc (0xff, file);
putc (color, file);
runlen -= 63;
}
if (runlen > 0)
{
putc (0xc0 + runlen, file);
}
}
if (runlen > 0)
{
putc (color, file);
}
if (width & 1)
putc (0, file);
data += pitch - width;
}
// write the palette
putc (12, file); // palette ID byte
for (x = 0; x < 256; x++, palette++)
{
putc (palette->r, file);
putc (palette->g, file);
putc (palette->b, file);
}
}
//
// WritePNGfile
//
void WritePNGfile (FILE *file, const DCanvas *canvas, const PalEntry *palette)
{
if (!M_CreatePNG (file, canvas, palette) ||
!M_AppendPNGText (file, "Software", "ZDoom " DOTVERSIONSTR) ||
!M_FinishPNG (file))
{
Printf ("Could not create screenshot.\n");
}
}
//
// M_ScreenShot
//
static bool FindFreeName (FString &fullname, const char *extension)
{
FString lbmname;
int i;
for (i = 0; i <= 9999; i++)
{
lbmname.Format ("%sDOOM%04d.%s", fullname.GetChars(), i, extension);
if (!FileExists (lbmname.GetChars()))
{
fullname = lbmname;
return true; // file doesn't exist
}
}
return false;
}
void M_ScreenShot (const char *filename)
{
FILE *file;
FString autoname;
bool writepcx = (stricmp (screenshot_type, "pcx") == 0); // PNG is the default
// find a file name to save it to
if (filename == NULL || filename[0] == '\0')
{
#ifndef unix
if (Args.CheckParm ("-cdrom"))
{
autoname = "C:\\ZDOOMDAT\\";
}
else
#endif
{
int dirlen = (int)strlen (screenshot_dir);
if (dirlen == 0)
{
autoname = progdir;
}
else if (dirlen > 0)
{
autoname = screenshot_dir;
if (autoname[dirlen-1] != '/' && autoname[dirlen-1] != '\\')
{
autoname += '/';
}
}
}
if (!FindFreeName (autoname, writepcx ? "pcx" : "png"))
{
Printf ("M_ScreenShot: Delete some screenshots\n");
return;
}
}
else
{
autoname = filename;
DefaultExtension (autoname, writepcx ? ".pcx" : ".png");
}
CreatePath(screenshot_dir);
// save the screenshot
screen->Lock (true);
//D_Display (true);
PalEntry palette[256];
screen->GetFlashedPalette (palette);
file = fopen (autoname.GetChars(), "wb");
if (file == NULL)
{
Printf ("Could not open %s\n", autoname.GetChars());
screen->Unlock ();
return;
}
if (writepcx)
{
WritePCXfile (file, screen, palette);
}
else
{
WritePNGfile (file, screen, palette);
}
fclose (file);
screen->Unlock ();
if (!screenshot_quiet)
{
Printf ("Captured %s\n", autoname.GetChars());
}
}
CCMD (screenshot)
{
if (argv.argc() == 1)
G_ScreenShot (NULL);
else
G_ScreenShot (argv[1]);
}
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