mirror of https://github.com/ZDoom/gzdoom-gles.git
785 lines
16 KiB
C++
785 lines
16 KiB
C++
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// $Id:$
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//
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// Copyright (C) 1993-1996 by id Software, Inc.
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//
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// This source is available for distribution and/or modification
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// only under the terms of the DOOM Source Code License as
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// published by id Software. All rights reserved.
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//
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// The source 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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// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
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// for more details.
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//
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//
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// $Log:$
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//
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// DESCRIPTION:
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// Default Config File.
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// Screenshots.
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//
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//-----------------------------------------------------------------------------
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <time.h>
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#include "doomtype.h"
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#include "version.h"
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#if defined(_WIN32)
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#include <io.h>
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#else
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#include <unistd.h>
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#endif
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#include <ctype.h>
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#include "doomdef.h"
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#include "m_swap.h"
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#include "m_argv.h"
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#include "w_wad.h"
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#include "c_cvars.h"
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#include "c_dispatch.h"
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#include "c_bind.h"
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#include "i_system.h"
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#include "i_video.h"
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#include "v_video.h"
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#include "r_defs.h"
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#include "hu_stuff.h"
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// State.
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#include "doomstat.h"
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// Data.
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#include "m_misc.h"
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#include "m_png.h"
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#include "cmdlib.h"
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#include "g_game.h"
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#include "gi.h"
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#include "gameconfigfile.h"
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FGameConfigFile *GameConfig;
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CVAR(Bool, screenshot_quiet, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG);
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CVAR(String, screenshot_type, "png", CVAR_ARCHIVE|CVAR_GLOBALCONFIG);
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CVAR(String, screenshot_dir, "", CVAR_ARCHIVE|CVAR_GLOBALCONFIG);
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EXTERN_CVAR(Bool, longsavemessages);
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static long ParseCommandLine (const char *args, int *argc, char **argv);
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//
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// M_WriteFile
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//
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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bool M_WriteFile (char const *name, void *source, int length)
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{
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int handle;
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int count;
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handle = open ( name, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
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if (handle == -1)
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return false;
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count = write (handle, source, length);
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close (handle);
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if (count < length)
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return false;
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return true;
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}
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//
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// M_ReadFile
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//
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int M_ReadFile (char const *name, BYTE **buffer)
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{
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int handle, count, length;
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struct stat fileinfo;
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BYTE *buf;
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handle = open (name, O_RDONLY | O_BINARY, 0666);
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if (handle == -1)
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I_Error ("Couldn't read file %s", name);
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if (fstat (handle,&fileinfo) == -1)
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I_Error ("Couldn't read file %s", name);
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length = fileinfo.st_size;
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buf = new BYTE[length];
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count = read (handle, buf, length);
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close (handle);
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if (count < length)
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I_Error ("Couldn't read file %s", name);
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*buffer = buf;
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return length;
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}
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//
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// M_ReadFile (same as above but use malloc instead of new to allocate the buffer.)
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//
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int M_ReadFileMalloc (char const *name, BYTE **buffer)
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{
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int handle, count, length;
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struct stat fileinfo;
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BYTE *buf;
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handle = open (name, O_RDONLY | O_BINARY, 0666);
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if (handle == -1)
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I_Error ("Couldn't read file %s", name);
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if (fstat (handle,&fileinfo) == -1)
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I_Error ("Couldn't read file %s", name);
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length = fileinfo.st_size;
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buf = (BYTE*)M_Malloc(length);
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count = read (handle, buf, length);
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close (handle);
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if (count < length)
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I_Error ("Couldn't read file %s", name);
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*buffer = buf;
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return length;
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}
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//---------------------------------------------------------------------------
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//
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// PROC M_FindResponseFile
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//
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//---------------------------------------------------------------------------
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void M_FindResponseFile (void)
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{
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const int limit = 100; // avoid infinite recursion
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int added_stuff = 0;
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int i = 1;
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while (i < Args->NumArgs())
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{
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if (Args->GetArg(i)[0] != '@')
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{
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i++;
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}
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else
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{
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char **argv;
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char *file = NULL;
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int argc = 0;
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FILE *handle;
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int size;
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long argsize = 0;
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int index;
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// Any more response files after the limit will be removed from the
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// command line.
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if (added_stuff < limit)
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{
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// READ THE RESPONSE FILE INTO MEMORY
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handle = fopen (Args->GetArg(i) + 1,"rb");
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if (!handle)
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{ // [RH] Make this a warning, not an error.
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Printf ("No such response file (%s)!\n", Args->GetArg(i) + 1);
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}
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else
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{
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Printf ("Found response file %s!\n", Args->GetArg(i) + 1);
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fseek (handle, 0, SEEK_END);
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size = ftell (handle);
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fseek (handle, 0, SEEK_SET);
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file = new char[size+1];
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fread (file, size, 1, handle);
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file[size] = 0;
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fclose (handle);
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argsize = ParseCommandLine (file, &argc, NULL);
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}
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}
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else
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{
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Printf ("Ignored response file %s.\n", Args->GetArg(i) + 1);
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}
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if (argc != 0)
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{
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argv = (char **)M_Malloc (argc*sizeof(char *) + argsize);
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argv[0] = (char *)argv + argc*sizeof(char *);
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ParseCommandLine (file, NULL, argv);
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// Create a new argument vector
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DArgs *newargs = new DArgs;
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// Copy parameters before response file.
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for (index = 0; index < i; ++index)
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newargs->AppendArg(Args->GetArg(index));
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// Copy parameters from response file.
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for (index = 0; index < argc; ++index)
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newargs->AppendArg(argv[index]);
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// Copy parameters after response file.
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for (index = i + 1; index < Args->NumArgs(); ++index)
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newargs->AppendArg(Args->GetArg(index));
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// Use the new argument vector as the global Args object.
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Args = newargs;
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if (++added_stuff == limit)
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{
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Printf("Response file limit of %d hit.\n", limit);
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}
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}
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else
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{
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// Remove the response file from the Args object
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Args->RemoveArg(i);
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}
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if (file != NULL)
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{
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delete[] file;
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}
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}
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}
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if (added_stuff > 0)
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{
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// DISPLAY ARGS
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Printf ("Added %d response file%s, now have %d command-line args:\n",
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added_stuff, added_stuff > 1 ? "s" : "", Args->NumArgs ());
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for (int k = 1; k < Args->NumArgs (); k++)
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Printf ("%s\n", Args->GetArg (k));
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}
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}
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// ParseCommandLine
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//
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// This is just like the version in c_dispatch.cpp, except it does not
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// do cvar expansion.
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static long ParseCommandLine (const char *args, int *argc, char **argv)
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{
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int count;
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char *buffplace;
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count = 0;
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buffplace = NULL;
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if (argv != NULL)
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{
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buffplace = argv[0];
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}
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for (;;)
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{
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while (*args <= ' ' && *args)
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{ // skip white space
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args++;
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}
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if (*args == 0)
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{
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break;
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}
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else if (*args == '\"')
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{ // read quoted string
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char stuff;
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if (argv != NULL)
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{
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argv[count] = buffplace;
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}
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count++;
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args++;
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do
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{
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stuff = *args++;
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if (stuff == '\\' && *args == '\"')
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{
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stuff = '\"', args++;
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}
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else if (stuff == '\"')
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{
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stuff = 0;
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}
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else if (stuff == 0)
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{
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args--;
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}
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if (argv != NULL)
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{
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*buffplace = stuff;
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}
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buffplace++;
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} while (stuff);
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}
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else
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{ // read unquoted string
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const char *start = args++, *end;
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while (*args && *args > ' ' && *args != '\"')
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args++;
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end = args;
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if (argv != NULL)
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{
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argv[count] = buffplace;
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while (start < end)
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*buffplace++ = *start++;
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*buffplace++ = 0;
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}
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else
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{
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buffplace += end - start + 1;
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}
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count++;
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}
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}
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if (argc != NULL)
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{
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*argc = count;
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}
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return (long)(buffplace - (char *)0);
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}
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//
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// M_SaveDefaults
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//
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bool M_SaveDefaults (const char *filename)
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{
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FString oldpath;
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bool success;
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if (filename != NULL)
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{
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oldpath = GameConfig->GetPathName();
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GameConfig->ChangePathName (filename);
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}
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GameConfig->ArchiveGlobalData ();
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if (gameinfo.ConfigName.IsNotEmpty())
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{
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GameConfig->ArchiveGameData (gameinfo.ConfigName);
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}
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success = GameConfig->WriteConfigFile ();
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if (filename != NULL)
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{
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GameConfig->ChangePathName (filename);
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}
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return success;
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}
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void M_SaveDefaultsFinal ()
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{
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while (!M_SaveDefaults (NULL) && I_WriteIniFailed ())
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{
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/* Loop until the config saves or I_WriteIniFailed() returns false */
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}
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delete GameConfig;
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GameConfig = NULL;
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}
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CCMD (writeini)
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{
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const char *filename = (argv.argc() == 1) ? NULL : argv[1];
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if (!M_SaveDefaults (filename))
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{
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Printf ("Writing config failed: %s\n", strerror(errno));
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}
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else
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{
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Printf ("Config saved.\n");
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}
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}
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//
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// M_LoadDefaults
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//
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void M_LoadDefaults ()
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{
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GameConfig = new FGameConfigFile;
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GameConfig->DoGlobalSetup ();
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atterm (M_SaveDefaultsFinal);
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}
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//
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// SCREEN SHOTS
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//
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struct pcx_t
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{
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char manufacturer;
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char version;
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char encoding;
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char bits_per_pixel;
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unsigned short xmin;
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unsigned short ymin;
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unsigned short xmax;
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unsigned short ymax;
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unsigned short hdpi;
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unsigned short vdpi;
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unsigned char palette[48];
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char reserved;
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char color_planes;
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unsigned short bytes_per_line;
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unsigned short palette_type;
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char filler[58];
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};
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//
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// WritePCXfile
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//
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void WritePCXfile (FILE *file, const BYTE *buffer, const PalEntry *palette,
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ESSType color_type, int width, int height, int pitch)
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{
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BYTE temprow[MAXWIDTH * 3];
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const BYTE *data;
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int x, y;
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int runlen;
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int bytes_per_row_minus_one;
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BYTE color;
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pcx_t pcx;
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pcx.manufacturer = 10; // PCX id
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pcx.version = 5; // 256 (or more) colors
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pcx.encoding = 1;
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pcx.bits_per_pixel = 8; // 256 (or more) colors
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pcx.xmin = 0;
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pcx.ymin = 0;
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pcx.xmax = LittleShort((unsigned short)(width-1));
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pcx.ymax = LittleShort((unsigned short)(height-1));
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pcx.hdpi = LittleShort((unsigned short)75);
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pcx.vdpi = LittleShort((unsigned short)75);
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memset (pcx.palette, 0, sizeof(pcx.palette));
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pcx.reserved = 0;
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pcx.color_planes = (color_type == SS_PAL) ? 1 : 3; // chunky image
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pcx.bytes_per_line = width + (width & 1);
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pcx.palette_type = 1; // not a grey scale
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memset (pcx.filler, 0, sizeof(pcx.filler));
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fwrite (&pcx, 128, 1, file);
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bytes_per_row_minus_one = ((color_type == SS_PAL) ? width : width * 3) - 1;
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// pack the image
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for (y = height; y > 0; y--)
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{
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switch (color_type)
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{
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case SS_PAL:
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data = buffer;
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break;
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case SS_RGB:
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// Unpack RGB into separate planes.
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for (int i = 0; i < width; ++i)
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{
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temprow[i ] = buffer[i*3];
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temprow[i + width ] = buffer[i*3 + 1];
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temprow[i + width * 2] = buffer[i*3 + 2];
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}
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data = temprow;
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break;
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case SS_BGRA:
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// Unpack RGB into separate planes, discarding A.
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for (int i = 0; i < width; ++i)
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{
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temprow[i ] = buffer[i*4 + 2];
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temprow[i + width ] = buffer[i*4 + 1];
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temprow[i + width * 2] = buffer[i*4];
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}
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data = temprow;
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break;
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default:
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// Should never happen.
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return;
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}
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buffer += pitch;
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color = *data++;
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runlen = 1;
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for (x = bytes_per_row_minus_one; x > 0; x--)
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{
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if (*data == color)
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{
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runlen++;
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}
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else
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{
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if (runlen > 1 || color >= 0xc0)
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{
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while (runlen > 63)
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{
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putc (0xff, file);
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putc (color, file);
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runlen -= 63;
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}
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if (runlen > 0)
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{
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putc (0xc0 + runlen, file);
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}
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}
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if (runlen > 0)
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{
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putc (color, file);
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}
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runlen = 1;
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color = *data;
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}
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data++;
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}
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if (runlen > 1 || color >= 0xc0)
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{
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while (runlen > 63)
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{
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putc (0xff, file);
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putc (color, file);
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runlen -= 63;
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}
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if (runlen > 0)
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{
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putc (0xc0 + runlen, file);
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}
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}
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if (runlen > 0)
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{
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putc (color, file);
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}
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if (width & 1)
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putc (0, file);
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}
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// write the palette
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if (color_type == SS_PAL)
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{
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putc (12, file); // palette ID byte
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for (x = 0; x < 256; x++, palette++)
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{
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putc (palette->r, file);
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putc (palette->g, file);
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putc (palette->b, file);
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}
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}
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}
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//
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// WritePNGfile
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//
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void WritePNGfile (FILE *file, const BYTE *buffer, const PalEntry *palette,
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ESSType color_type, int width, int height, int pitch)
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{
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char software[100];
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mysnprintf(software, countof(software), GAMENAME " %s", GetVersionString());
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if (!M_CreatePNG (file, buffer, palette, color_type, width, height, pitch) ||
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!M_AppendPNGText (file, "Software", software) ||
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!M_FinishPNG (file))
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{
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Printf ("Could not create screenshot.\n");
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}
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}
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//
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// M_ScreenShot
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//
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static bool FindFreeName (FString &fullname, const char *extension)
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{
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FString lbmname;
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int i;
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for (i = 0; i <= 9999; i++)
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{
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const char *gamename = gameinfo.ConfigName;
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time_t now;
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tm *tm;
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time(&now);
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tm = localtime(&now);
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if (tm == NULL)
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{
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lbmname.Format ("%sScreenshot_%s_%04d.%s", fullname.GetChars(), gamename, i, extension);
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}
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else if (i == 0)
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{
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lbmname.Format ("%sScreenshot_%s_%04d%02d%02d_%02d%02d%02d.%s", fullname.GetChars(), gamename,
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tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
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tm->tm_hour, tm->tm_min, tm->tm_sec,
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extension);
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}
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else
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{
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lbmname.Format ("%sScreenshot_%s_%04d%02d%02d_%02d%02d%02d_%02d.%s", fullname.GetChars(), gamename,
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tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
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tm->tm_hour, tm->tm_min, tm->tm_sec,
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i, extension);
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}
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if (!FileExists (lbmname.GetChars()))
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{
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fullname = lbmname;
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return true; // file doesn't exist
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}
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}
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return false;
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}
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void M_ScreenShot (const char *filename)
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{
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FILE *file;
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FString autoname;
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bool writepcx = (stricmp (screenshot_type, "pcx") == 0); // PNG is the default
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// find a file name to save it to
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if (filename == NULL || filename[0] == '\0')
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{
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size_t dirlen;
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autoname = Args->CheckValue("-shotdir");
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if (autoname.IsEmpty())
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{
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autoname = screenshot_dir;
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}
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dirlen = autoname.Len();
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if (dirlen == 0)
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{
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autoname = M_GetScreenshotsPath();
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dirlen = autoname.Len();
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}
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if (dirlen > 0)
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{
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if (autoname[dirlen-1] != '/' && autoname[dirlen-1] != '\\')
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{
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autoname += '/';
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}
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}
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autoname = NicePath(autoname);
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CreatePath(autoname);
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if (!FindFreeName (autoname, writepcx ? "pcx" : "png"))
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{
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Printf ("M_ScreenShot: Delete some screenshots\n");
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return;
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}
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}
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else
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{
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autoname = filename;
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DefaultExtension (autoname, writepcx ? ".pcx" : ".png");
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}
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// save the screenshot
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const BYTE *buffer;
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int pitch;
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ESSType color_type;
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screen->GetScreenshotBuffer(buffer, pitch, color_type);
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if (buffer != NULL)
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{
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PalEntry palette[256];
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if (color_type == SS_PAL)
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{
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screen->GetFlashedPalette(palette);
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}
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file = fopen (autoname, "wb");
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if (file == NULL)
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{
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Printf ("Could not open %s\n", autoname.GetChars());
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screen->ReleaseScreenshotBuffer();
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return;
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}
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if (writepcx)
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{
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WritePCXfile(file, buffer, palette, color_type,
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screen->GetWidth(), screen->GetHeight(), pitch);
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}
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else
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{
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WritePNGfile(file, buffer, palette, color_type,
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screen->GetWidth(), screen->GetHeight(), pitch);
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}
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fclose(file);
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screen->ReleaseScreenshotBuffer();
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if (!screenshot_quiet)
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{
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int slash = -1;
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if (!longsavemessages) slash = autoname.LastIndexOfAny(":/\\");
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Printf ("Captured %s\n", autoname.GetChars()+slash+1);
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}
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}
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else
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{
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if (!screenshot_quiet)
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{
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Printf ("Could not create screenshot.\n");
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}
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}
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}
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CCMD (screenshot)
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{
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if (argv.argc() == 1)
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G_ScreenShot (NULL);
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else
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G_ScreenShot (argv[1]);
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}
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//
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// M_ZlibError
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//
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FString M_ZLibError(int zerr)
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{
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if (zerr >= 0)
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{
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return "OK";
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}
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else if (zerr < -6)
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{
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FString out;
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out.Format("%d", zerr);
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return out;
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}
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else
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{
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static const char *errs[6] =
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{
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"Errno",
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"Stream Error",
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"Data Error",
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"Memory Error",
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"Buffer Error",
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"Version Error"
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};
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return errs[-zerr - 1];
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}
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}
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