qzdoom-gpl/src/m_misc.cpp

784 lines
16 KiB
C++

// 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 <stdlib.h>
#include <time.h>
#include "doomtype.h"
#include "version.h"
#if defined(_WIN32)
#include <io.h>
#else
#include <unistd.h>
#endif
#include <ctype.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 "r_defs.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_CVAR(Bool, longsavemessages);
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;
}
//
// M_ReadFile (same as above but use malloc instead of new to allocate the buffer.)
//
int M_ReadFileMalloc (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 = (BYTE*)M_Malloc(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)
{
const int limit = 100; // avoid infinite recursion
int added_stuff = 0;
int i = 1;
while (i < Args->NumArgs())
{
if (Args->GetArg(i)[0] != '@')
{
i++;
}
else
{
char **argv;
char *file = NULL;
int argc = 0;
FILE *handle;
int size;
long argsize = 0;
int index;
// Any more response files after the limit will be removed from the
// command line.
if (added_stuff < limit)
{
// 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)!\n", Args->GetArg(i) + 1);
}
else
{
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, &argc, NULL);
}
}
else
{
Printf ("Ignored response file %s.\n", Args->GetArg(i) + 1);
}
if (argc != 0)
{
argv = (char **)M_Malloc (argc*sizeof(char *) + argsize);
argv[0] = (char *)argv + argc*sizeof(char *);
ParseCommandLine (file, NULL, argv);
// Create a new argument vector
DArgs *newargs = new DArgs;
// Copy parameters before response file.
for (index = 0; index < i; ++index)
newargs->AppendArg(Args->GetArg(index));
// Copy parameters from response file.
for (index = 0; index < argc; ++index)
newargs->AppendArg(argv[index]);
// Copy parameters after response file.
for (index = i + 1; index < Args->NumArgs(); ++index)
newargs->AppendArg(Args->GetArg(index));
// Use the new argument vector as the global Args object.
Args = newargs;
if (++added_stuff == limit)
{
Printf("Response file limit of %d hit.\n", limit);
}
}
else
{
// Remove the response file from the Args object
Args->RemoveArg(i);
}
if (file != NULL)
{
delete[] file;
}
}
}
if (added_stuff > 0)
{
// DISPLAY ARGS
Printf ("Added %d response file%s, now have %d command-line args:\n",
added_stuff, added_stuff > 1 ? "s" : "", Args->NumArgs ());
for (int k = 1; k < Args->NumArgs (); k++)
Printf ("%s\n", Args->GetArg (k));
}
}
// 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);
}
//
// M_SaveDefaults
//
bool M_SaveDefaults (const char *filename)
{
FString oldpath;
bool success;
if (filename != NULL)
{
oldpath = GameConfig->GetPathName();
GameConfig->ChangePathName (filename);
}
GameConfig->ArchiveGlobalData ();
if (gameinfo.ConfigName.IsNotEmpty())
{
GameConfig->ArchiveGameData (gameinfo.ConfigName);
}
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 (M_SaveDefaultsFinal);
}
//
// SCREEN SHOTS
//
struct pcx_t
{
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];
};
//
// WritePCXfile
//
void WritePCXfile (FILE *file, const BYTE *buffer, const PalEntry *palette,
ESSType color_type, int width, int height, int pitch)
{
BYTE temprow[MAXWIDTH * 3];
const BYTE *data;
int x, y;
int runlen;
int bytes_per_row_minus_one;
BYTE color;
pcx_t pcx;
pcx.manufacturer = 10; // PCX id
pcx.version = 5; // 256 (or more) colors
pcx.encoding = 1;
pcx.bits_per_pixel = 8; // 256 (or more) colors
pcx.xmin = 0;
pcx.ymin = 0;
pcx.xmax = LittleShort((unsigned short)(width-1));
pcx.ymax = LittleShort((unsigned short)(height-1));
pcx.hdpi = LittleShort((unsigned short)75);
pcx.vdpi = LittleShort((unsigned short)75);
memset (pcx.palette, 0, sizeof(pcx.palette));
pcx.reserved = 0;
pcx.color_planes = (color_type == SS_PAL) ? 1 : 3; // 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);
bytes_per_row_minus_one = ((color_type == SS_PAL) ? width : width * 3) - 1;
// pack the image
for (y = height; y > 0; y--)
{
switch (color_type)
{
case SS_PAL:
data = buffer;
break;
case SS_RGB:
// Unpack RGB into separate planes.
for (int i = 0; i < width; ++i)
{
temprow[i ] = buffer[i*3];
temprow[i + width ] = buffer[i*3 + 1];
temprow[i + width * 2] = buffer[i*3 + 2];
}
data = temprow;
break;
case SS_BGRA:
// Unpack RGB into separate planes, discarding A.
for (int i = 0; i < width; ++i)
{
temprow[i ] = buffer[i*4 + 2];
temprow[i + width ] = buffer[i*4 + 1];
temprow[i + width * 2] = buffer[i*4];
}
data = temprow;
break;
default:
// Should never happen.
return;
}
buffer += pitch;
color = *data++;
runlen = 1;
for (x = bytes_per_row_minus_one; 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);
}
// write the palette
if (color_type == SS_PAL)
{
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 BYTE *buffer, const PalEntry *palette,
ESSType color_type, int width, int height, int pitch)
{
char software[100];
mysnprintf(software, countof(software), GAMENAME " %s", GetVersionString());
if (!M_CreatePNG (file, buffer, palette, color_type, width, height, pitch) ||
!M_AppendPNGText (file, "Software", software) ||
!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++)
{
const char *gamename = gameinfo.ConfigName;
time_t now;
tm *tm;
time(&now);
tm = localtime(&now);
if (tm == NULL)
{
lbmname.Format ("%sScreenshot_%s_%04d.%s", fullname.GetChars(), gamename, i, extension);
}
else if (i == 0)
{
lbmname.Format ("%sScreenshot_%s_%04d%02d%02d_%02d%02d%02d.%s", fullname.GetChars(), gamename,
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
extension);
}
else
{
lbmname.Format ("%sScreenshot_%s_%04d%02d%02d_%02d%02d%02d_%02d.%s", fullname.GetChars(), gamename,
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
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')
{
size_t dirlen;
autoname = Args->CheckValue("-shotdir");
if (autoname.IsEmpty())
{
autoname = screenshot_dir;
}
dirlen = autoname.Len();
if (dirlen == 0)
{
autoname = M_GetScreenshotsPath();
dirlen = autoname.Len();
}
if (dirlen > 0)
{
if (autoname[dirlen-1] != '/' && autoname[dirlen-1] != '\\')
{
autoname += '/';
}
}
autoname = NicePath(autoname);
CreatePath(autoname);
if (!FindFreeName (autoname, writepcx ? "pcx" : "png"))
{
Printf ("M_ScreenShot: Delete some screenshots\n");
return;
}
}
else
{
autoname = filename;
DefaultExtension (autoname, writepcx ? ".pcx" : ".png");
}
// save the screenshot
const BYTE *buffer;
int pitch;
ESSType color_type;
screen->GetScreenshotBuffer(buffer, pitch, color_type);
if (buffer != NULL)
{
PalEntry palette[256];
if (color_type == SS_PAL)
{
screen->GetFlashedPalette(palette);
}
file = fopen (autoname, "wb");
if (file == NULL)
{
Printf ("Could not open %s\n", autoname.GetChars());
screen->ReleaseScreenshotBuffer();
return;
}
if (writepcx)
{
WritePCXfile(file, buffer, palette, color_type,
screen->GetWidth(), screen->GetHeight(), pitch);
}
else
{
WritePNGfile(file, buffer, palette, color_type,
screen->GetWidth(), screen->GetHeight(), pitch);
}
fclose(file);
screen->ReleaseScreenshotBuffer();
if (!screenshot_quiet)
{
int slash = -1;
if (!longsavemessages) slash = autoname.LastIndexOfAny(":/\\");
Printf ("Captured %s\n", autoname.GetChars()+slash+1);
}
}
else
{
if (!screenshot_quiet)
{
Printf ("Could not create screenshot.\n");
}
}
}
CCMD (screenshot)
{
if (argv.argc() == 1)
G_ScreenShot (NULL);
else
G_ScreenShot (argv[1]);
}
//
// M_ZlibError
//
FString M_ZLibError(int zerr)
{
if (zerr >= 0)
{
return "OK";
}
else if (zerr < -6)
{
FString out;
out.Format("%d", zerr);
return out;
}
else
{
static const char *errs[6] =
{
"Errno",
"Stream Error",
"Data Error",
"Memory Error",
"Buffer Error",
"Version Error"
};
return errs[-zerr - 1];
}
}