ref: 37c6b72103cc9d7965a669cdca01edae83f765e4
parent: f7a83bd1057494c688acfaff9c1453ac4be34711
author: Simon Howard <[email protected]>
date: Thu Dec 21 16:43:47 EST 2006
Split off IWAD-related code into separate d_iwad.c. On Windows, search the registry to automatically find the locations of installed IWADs. Subversion-branch: /trunk/chocolate-doom Subversion-revision: 791
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -40,6 +40,7 @@
d_englsh.h \
d_event.h \
d_items.c d_items.h \
+d_iwad.c d_iwad.h \
d_main.c d_main.h \
d_net.c d_net.h \
doomdata.h \
--- /dev/null
+++ b/src/d_iwad.c
@@ -1,0 +1,622 @@
+// Emacs style mode select -*- C++ -*-
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 2006 Simon Howard
+//
+// This program 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 2
+// of the License, or (at your option) any later version.
+//
+// This program 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 this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+// DESCRIPTION:
+// Search for and locate an IWAD file, and initialise according
+// to the IWAD type.
+//
+//-----------------------------------------------------------------------------
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+
+#include "deh_main.h"
+#include "doomdef.h"
+#include "doomstat.h"
+#include "i_system.h"
+#include "m_argv.h"
+#include "m_misc.h"
+#include "w_wad.h"
+#include "z_zone.h"
+
+// Array of locations to search for IWAD files
+
+#define MAX_IWAD_DIRS 32
+static char *iwad_dirs[MAX_IWAD_DIRS];
+static int num_iwad_dirs = 0;
+
+static void AddIWADDir(char *dir)
+{+ iwad_dirs[num_iwad_dirs] = dir;
+ ++num_iwad_dirs;
+}
+
+// This is Windows-specific code that automatically finds the location
+// of installed IWAD files. The registry is inspected to find special
+// keys installed by the Windows installers for various CD versions
+// of Doom. From these keys we can deduce where to find an IWAD.
+
+#ifdef _WIN32
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+typedef struct
+{+ HKEY root;
+ char *path;
+ char *value;
+} registry_value_t;
+
+#define UNINSTALLER_STRING "\\uninstl.exe /S "
+
+// Keys installed by the various CD editions. These are actually the
+// commands to invoke the uninstaller and look like this:
+//
+// C:\Program Files\Path\uninstl.exe /S C:\Program Files\Path
+//
+// With some munging we can find where Doom was installed.
+
+static registry_value_t uninstall_values[] =
+{+ // Ultimate Doom, CD version (Depths of Doom trilogy)
+
+ {+ HKEY_LOCAL_MACHINE,
+ "Software\\Microsoft\\Windows\\CurrentVersion\\"
+ "Uninstall\\Ultimate Doom for Windows 95",
+ "UninstallString",
+ },
+
+ // Doom II, CD version (Depths of Doom trilogy)
+
+ {+ HKEY_LOCAL_MACHINE,
+ "Software\\Microsoft\\Windows\\CurrentVersion\\"
+ "Uninstall\\Doom II for Windows 95",
+ "UninstallString",
+ },
+
+ // Final Doom
+
+ {+ HKEY_LOCAL_MACHINE,
+ "Software\\Microsoft\\Windows\\CurrentVersion\\"
+ "Uninstall\\Final Doom for Windows 95",
+ "UninstallString",
+ },
+};
+
+// Value installed by the Collector's Edition when it is installed
+
+static registry_value_t collectors_edition_value =
+{+ HKEY_LOCAL_MACHINE,
+ "Software\\Activision\\DOOM Collector's Edition\\v1.0",
+ "INSTALLPATH",
+};
+
+// Subdirectories of the above install path, where IWADs are installed.
+
+static char *collectors_edition_subdirs[] =
+{+ "Doom2",
+ "Final Doom",
+ "Ultimate Doom",
+};
+
+static char *GetRegistryString(registry_value_t *reg_val)
+{+ HKEY key;
+ int len;
+ int valtype;
+ char *result;
+
+ // Open the key (directory where the value is stored)
+
+ if (RegOpenKeyEx(reg_val->root, reg_val->path, 0, KEY_READ, &key)
+ != ERROR_SUCCESS)
+ {+ return NULL;
+ }
+
+ // Find the type and length of the string
+
+ if (RegQueryValueEx(key, reg_val->value, NULL, &valtype, NULL, &len)
+ != ERROR_SUCCESS)
+ {+ return NULL;
+ }
+
+ // Only accept strings
+
+ if (valtype != REG_SZ)
+ {+ return NULL;
+ }
+
+ // Allocate a buffer for the value and read the value
+
+ result = Z_Malloc(len, PU_STATIC, 0);
+
+ if (RegQueryValueEx(key, reg_val->value, NULL, &valtype, result, &len)
+ != ERROR_SUCCESS)
+ {+ Z_Free(result);
+ return NULL;
+ }
+
+ // Close the key
+
+ RegCloseKey(key);
+
+ return result;
+}
+
+// Check for the uninstall strings from the CD versions
+
+static void CheckUninstallStrings(void)
+{+ int i;
+
+ for (i=0; i<sizeof(uninstall_values) / sizeof(*uninstall_values); ++i)
+ {+ char *val;
+ char *path;
+ char *unstr;
+
+ val = GetRegistryString(&uninstall_values[i]);
+
+ if (val == NULL)
+ {+ continue;
+ }
+
+ unstr = strstr(val, UNINSTALLER_STRING);
+
+ if (unstr == NULL)
+ {+ Z_Free(val);
+ }
+ else
+ {+ path = unstr + strlen(UNINSTALLER_STRING);
+
+ AddIWADDir(path);
+ }
+ }
+}
+
+// Check for Doom: Collector's Edition
+
+static void CheckCollectorsEdition(void)
+{+ char *install_path;
+ char *subpath;
+ int i;
+
+ install_path = GetRegistryString(&collectors_edition_value);
+
+ if (install_path == NULL)
+ {+ return;
+ }
+
+ for (i=0; i<sizeof(collectors_edition_subdirs)
+ / sizeof(*collectors_edition_subdirs); ++i)
+ {+ subpath = Z_Malloc(strlen(install_path)
+ + strlen(collectors_edition_subdirs[i])
+ + 5,
+ PU_STATIC, 0);
+
+ sprintf(subpath, "%s\\%s", install_path, collectors_edition_subdirs[i]);
+
+ AddIWADDir(subpath);
+ }
+
+ Z_Free(install_path);
+}
+
+#endif
+
+static struct
+{+ char *name;
+ GameMission_t mission;
+} iwads[] = {+ {"doom2.wad", doom2},+ {"plutonia.wad", pack_plut},+ {"tnt.wad", pack_tnt},+ {"doom.wad", doom},+ {"doom1.wad", doom},+};
+
+// Search a directory to try to find an IWAD
+// Returns the location of the IWAD if found, otherwise NULL.
+
+static char *SearchDirectoryForIWAD(char *dir)
+{+ size_t i;
+
+ for (i=0; i<sizeof(iwads) / sizeof(*iwads); ++i)
+ {+ char *filename;
+ char *iwadname;
+
+ iwadname = DEH_String(iwads[i].name);
+
+ filename = Z_Malloc(strlen(dir) + strlen(iwadname) + 3, PU_STATIC, 0);
+
+ sprintf(filename, "%s/%s", dir, iwadname);
+
+ if (M_FileExists(filename))
+ {+ gamemission = iwads[i].mission;
+ return filename;
+ }
+
+ Z_Free(filename);
+ }
+
+ return NULL;
+}
+
+// When given an IWAD with the '-iwad' parameter,
+// attempt to identify it by its name.
+
+static void IdentifyIWADByName(char *name)
+{+ size_t i;
+
+ gamemission = none;
+
+ for (i=0; i<sizeof(iwads) / sizeof(*iwads); ++i)
+ {+ char *iwadname;
+
+ iwadname = DEH_String(iwads[i].name);
+
+ if (strlen(name) < strlen(iwadname))
+ continue;
+
+ // Check if it ends in this IWAD name.
+
+ if (!strcasecmp(name + strlen(name) - strlen(iwadname),
+ iwadname))
+ {+ gamemission = iwads[i].mission;
+ break;
+ }
+ }
+}
+
+//
+// Build a list of IWAD files
+//
+
+static void BuildIWADDirList(void)
+{+ char *doomwaddir;
+
+ // Check the DOOMWADDIR environment variable.
+
+ doomwaddir = getenv("DOOMWADDIR");+
+ if (doomwaddir != NULL)
+ {+ AddIWADDir(doomwaddir);
+ }
+
+ // Look in the current directory. Doom always does this.
+
+ AddIWADDir(".");+
+#ifdef _WIN32
+
+ // Search the registry and find where IWADs have been installed.
+
+ CheckUninstallStrings();
+ CheckCollectorsEdition();
+
+#else
+
+ // Standard places where IWAD files are installed under Unix.
+
+ AddIWADDir("/usr/share/games/doom");+ AddIWADDir("/usr/local/share/games/doom");+
+#endif
+}
+
+//
+// FindIWAD
+// Checks availability of IWAD files by name,
+// to determine whether registered/commercial features
+// should be executed (notably loading PWADs).
+//
+
+char *D_FindIWAD(void)
+{+ char *result;
+ int iwadparm;
+ int i;
+
+ iwadparm = M_CheckParm("-iwad");+
+ if (iwadparm)
+ {+ result = myargv[iwadparm + 1];
+ IdentifyIWADByName(result);
+ }
+ else
+ {+ // Build a list of locations to look for an IWAD
+
+ BuildIWADDirList();
+
+ // Search through the list and look for an IWAD
+
+ result = NULL;
+
+ for (i=0; result == NULL && i<num_iwad_dirs; ++i)
+ {+ result = SearchDirectoryForIWAD(iwad_dirs[i]);
+ }
+ }
+
+ return result;
+}
+
+//
+// SetSaveGameDir
+//
+// Chooses the directory used to store saved games.
+//
+
+void D_SetSaveGameDir(void)
+{+ size_t i;
+
+ if (!strcmp(configdir, ""))
+ {+ // Use the current directory, just like configdir.
+
+ savegamedir = strdup("");+ }
+ else
+ {+ // Directory for savegames
+
+ savegamedir = Z_Malloc(strlen(configdir) + 30, PU_STATIC, 0);
+ sprintf(savegamedir, "%ssavegames", configdir);
+
+ M_MakeDirectory(savegamedir);
+
+ // Find what subdirectory to use for savegames
+ //
+ // They should be stored in something like
+ // ~/.chocolate-doom/savegames/doom.wad/
+ //
+ // The directory depends on the IWAD, so that savegames for
+ // different IWADs are kept separate.
+ //
+ // Note that we match on gamemission rather than on IWAD name.
+ // This ensures that doom1.wad and doom.wad saves are stored
+ // in the same place.
+
+ for (i=0; i<sizeof(iwads) / sizeof(*iwads); ++i)
+ {+ if (gamemission == iwads[i].mission)
+ {+ strcat(savegamedir, "/");
+ strcat(savegamedir, iwads[i].name);
+ strcat(savegamedir, "/");
+ M_MakeDirectory(savegamedir);
+ break;
+ }
+ }
+ }
+}
+
+// Strings for dehacked replacements of the startup banner
+//
+// These are from the original source: some of them are perhaps
+// not used in any dehacked patches
+
+static char *banners[] =
+{+ // doom1.wad
+ " "
+ "DOOM Shareware Startup v%i.%i"
+ " ",
+ // doom.wad
+ " "
+ "DOOM Registered Startup v%i.%i"
+ " ",
+ // Registered DOOM uses this
+ " "
+ "DOOM System Startup v%i.%i"
+ " ",
+ // doom.wad (Ultimate DOOM)
+ " "
+ "The Ultimate DOOM Startup v%i.%i"
+ " ",
+ // doom2.wad
+ " "
+ "DOOM 2: Hell on Earth v%i.%i"
+ " ",
+ // tnt.wad
+ " "
+ "DOOM 2: TNT - Evilution v%i.%i"
+ " ",
+ // plutonia.wad
+ " "
+ "DOOM 2: Plutonia Experiment v%i.%i"
+ " ",
+};
+
+//
+// Get game name: if the startup banner has been replaced, use that.
+// Otherwise, use the name given
+//
+
+static char *GetGameName(char *gamename)
+{+ size_t i;
+ char *deh_sub;
+
+ for (i=0; i<sizeof(banners) / sizeof(*banners); ++i)
+ {+ // Has the banner been replaced?
+
+ deh_sub = DEH_String(banners[i]);
+
+ if (deh_sub != banners[i])
+ {+ // Has been replaced
+ // We need to expand via printf to include the Doom version
+ // number
+ // We also need to cut off spaces to get the basic name
+
+ gamename = Z_Malloc(strlen(deh_sub) + 10, PU_STATIC, 0);
+ sprintf(gamename, deh_sub, DOOM_VERSION / 100, DOOM_VERSION % 100);
+
+ while (gamename[0] != '\0' && isspace(gamename[0]))
+ strcpy(gamename, gamename+1);
+
+ while (gamename[0] != '\0' && isspace(gamename[strlen(gamename)-1]))
+ gamename[strlen(gamename) - 1] = '\0';
+
+ return gamename;
+ }
+ }
+
+ return gamename;
+}
+
+
+//
+// Find out what version of Doom is playing.
+//
+
+void D_IdentifyVersion(void)
+{+ // gamemission is set up by the D_FindIWAD function. But if
+ // we specify '-iwad', we have to identify using
+ // IdentifyIWADByName. However, if the iwad does not match
+ // any known IWAD name, we may have a dilemma. Try to
+ // identify by its contents.
+
+ if (gamemission == none)
+ {+ unsigned int i;
+
+ for (i=0; i<numlumps; ++i)
+ {+ if (!strncasecmp(lumpinfo[i].name, "MAP01", 8))
+ {+ gamemission = doom2;
+ break;
+ }
+ else if (!strncasecmp(lumpinfo[i].name, "E1M1", 8))
+ {+ gamemission = doom;
+ break;
+ }
+ }
+
+ if (gamemission == none)
+ {+ // Still no idea. I don't think this is going to work.
+
+ I_Error("Unknown or invalid IWAD file.");+ }
+ }
+
+ // Make sure gamemode is set up correctly
+
+ if (gamemission == doom)
+ {+ // Doom 1. But which version?
+
+ if (W_CheckNumForName("E4M1") > 0)+ {+ // Ultimate Doom
+
+ gamemode = retail;
+ }
+ else if (W_CheckNumForName("E3M1") > 0)+ {+ gamemode = registered;
+ }
+ else
+ {+ gamemode = shareware;
+ }
+ }
+ else
+ {+ // Doom 2 of some kind.
+
+ gamemode = commercial;
+ }
+}
+
+// Set the gamedescription string
+
+void D_SetGameDescription(void)
+{+ gamedescription = "Unknown";
+
+ if (gamemission == doom)
+ {+ // Doom 1. But which version?
+
+ if (gamemode == retail)
+ {+ // Ultimate Doom
+
+ gamedescription = GetGameName("The Ultimate DOOM");+ }
+ else if (gamemode == registered)
+ {+ gamedescription = GetGameName("DOOM Registered");+ }
+ else if (gamemode == shareware)
+ {+ gamedescription = GetGameName("DOOM Shareware");+ }
+ }
+ else
+ {+ // Doom 2 of some kind. But which mission?
+
+ if (gamemission == doom2)
+ gamedescription = GetGameName("DOOM 2: Hell on Earth");+ else if (gamemission == pack_plut)
+ gamedescription = GetGameName("DOOM 2: Plutonia Experiment"); + else if (gamemission == pack_tnt)
+ gamedescription = GetGameName("DOOM 2: TNT - Evilution");+ }
+}
+
--- /dev/null
+++ b/src/d_iwad.h
@@ -1,0 +1,36 @@
+// Emacs style mode select -*- C++ -*-
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 2006 Simon Howard
+//
+// This program 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 2
+// of the License, or (at your option) any later version.
+//
+// This program 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 this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+// DESCRIPTION:
+// Find IWAD and initialise according to IWAD type.
+//
+//-----------------------------------------------------------------------------
+
+
+#ifndef __D_IWAD__
+#define __D_IWAD__
+
+char *D_FindIWAD(void);
+void D_SetSaveGameDir(void);
+void D_IdentifyVersion(void);
+void D_SetGameDescription(void);
+
+#endif
+
--- a/src/d_main.c
+++ b/src/d_main.c
@@ -28,11 +28,6 @@
//-----------------------------------------------------------------------------
-
-#define BGCOLOR 7
-#define FGCOLOR 8
-
-
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
@@ -47,6 +42,7 @@
#include "doomfeatures.h"
#include "sounds.h"
+#include "d_iwad.h"
#include "z_zone.h"
#include "w_wad.h"
@@ -595,345 +591,6 @@
return handle != NULL;
}
-
-// Check if a file exists
-
-static int FileExists(char *filename)
-{- FILE *fstream;
-
- fstream = fopen(filename, "r");
-
- if (fstream != NULL)
- {- fclose(fstream);
- return 1;
- }
- else
- {- return 0;
- }
-}
-
-struct
-{- char *name;
- GameMission_t mission;
-} iwads[] = {- {"doom2.wad", doom2},- {"plutonia.wad", pack_plut},- {"tnt.wad", pack_tnt},- {"doom.wad", doom},- {"doom1.wad", doom},-};
-
-// Search a directory to try to find an IWAD
-// Returns the location of the IWAD if found, otherwise NULL.
-
-static char *SearchDirectoryForIWAD(char *dir)
-{- size_t i;
-
- for (i=0; i<sizeof(iwads) / sizeof(*iwads); ++i)
- {- char *filename;
- char *iwadname;
-
- iwadname = DEH_String(iwads[i].name);
-
- filename = malloc(strlen(dir) + strlen(iwadname) + 3);
-
- sprintf(filename, "%s/%s", dir, iwadname);
-
- if (FileExists(filename))
- {- iwadfile = filename;
- gamemission = iwads[i].mission;
- return filename;
- }
-
- free(filename);
- }
-
- return NULL;
-}
-
-// When given an IWAD with the '-iwad' parameter,
-// attempt to identify it by its name.
-
-static void IdentifyIWADByName(char *name)
-{- size_t i;
-
- gamemission = none;
-
- for (i=0; i<sizeof(iwads) / sizeof(*iwads); ++i)
- {- char *iwadname;
-
- iwadname = DEH_String(iwads[i].name);
-
- if (strlen(name) < strlen(iwadname))
- continue;
-
- // Check if it ends in this IWAD name.
-
- if (!strcasecmp(name + strlen(name) - strlen(iwadname),
- iwadname))
- {- gamemission = iwads[i].mission;
- break;
- }
- }
-}
-
-//
-// FindIWAD
-// Checks availability of IWAD files by name,
-// to determine whether registered/commercial features
-// should be executed (notably loading PWADs).
-//
-
-static void FindIWAD (void)
-{- char *doomwaddir;
- char *result;
- int iwadparm;
-
- result = 0;
- doomwaddir = getenv("DOOMWADDIR");- iwadparm = M_CheckParm("-iwad");-
- if (iwadparm)
- {- iwadfile = myargv[iwadparm + 1];
- result = iwadfile;
- IdentifyIWADByName(iwadfile);
- }
- else if (doomwaddir != NULL)
- {- result = SearchDirectoryForIWAD(doomwaddir);
- }
-
- if (result == NULL)
- result = SearchDirectoryForIWAD(".");- if (result == NULL)
- result = SearchDirectoryForIWAD("/usr/share/games/doom");- if (result == NULL)
- result = SearchDirectoryForIWAD("/usr/local/share/games/doom");-
- if (result == NULL)
- {- I_Error("Game mode indeterminate. No IWAD file was found. Try\n"- "specifying one with the '-iwad' command line parameter.\n");
- }
-}
-
-// Strings for dehacked replacements of the startup banner
-//
-// These are from the original source: some of them are perhaps
-// not used in any dehacked patches
-
-static char *banners[] =
-{- // doom1.wad
- " "
- "DOOM Shareware Startup v%i.%i"
- " ",
- // doom.wad
- " "
- "DOOM Registered Startup v%i.%i"
- " ",
- // Registered DOOM uses this
- " "
- "DOOM System Startup v%i.%i"
- " ",
- // doom.wad (Ultimate DOOM)
- " "
- "The Ultimate DOOM Startup v%i.%i"
- " ",
- // doom2.wad
- " "
- "DOOM 2: Hell on Earth v%i.%i"
- " ",
- // tnt.wad
- " "
- "DOOM 2: TNT - Evilution v%i.%i"
- " ",
- // plutonia.wad
- " "
- "DOOM 2: Plutonia Experiment v%i.%i"
- " ",
-};
-
-// Copyright message banners
-// Some dehacked mods replace these. These are only displayed if they are
-// replaced by dehacked.
-
-static char *copyright_banners[] =
-{- "===========================================================================\n"
- "ATTENTION: This version of DOOM has been modified. If you would like to\n"
- "get a copy of the original game, call 1-800-IDGAMES or see the readme file.\n"
- " You will not receive technical support for modified games.\n"
- " press enter to continue\n"
- "===========================================================================\n",
-
- "===========================================================================\n"
- " Commercial product - do not distribute!\n"
- " Please report software piracy to the SPA: 1-800-388-PIR8\n"
- "===========================================================================\n",
-
- "===========================================================================\n"
- " Shareware!\n"
- "===========================================================================\n"
-};
-
-//
-// Get game name: if the startup banner has been replaced, use that.
-// Otherwise, use the name given
-//
-
-static char *GetGameName(char *gamename)
-{- size_t i;
- char *deh_sub;
-
- for (i=0; i<sizeof(banners) / sizeof(*banners); ++i)
- {- // Has the banner been replaced?
-
- deh_sub = DEH_String(banners[i]);
-
- if (deh_sub != banners[i])
- {- // Has been replaced
- // We need to expand via printf to include the Doom version
- // number
- // We also need to cut off spaces to get the basic name
-
- gamename = Z_Malloc(strlen(deh_sub) + 10, PU_STATIC, 0);
- sprintf(gamename, deh_sub, DOOM_VERSION / 100, DOOM_VERSION % 100);
-
- while (gamename[0] != '\0' && isspace(gamename[0]))
- strcpy(gamename, gamename+1);
-
- while (gamename[0] != '\0' && isspace(gamename[strlen(gamename)-1]))
- gamename[strlen(gamename) - 1] = '\0';
-
- return gamename;
- }
- }
-
- return gamename;
-}
-
-
-//
-// Find out what version of Doom is playing.
-//
-
-static void IdentifyVersion(void)
-{- // gamemission is set up by the FindIWAD function. But if
- // we specify '-iwad', we have to identify using
- // IdentifyIWADByName. However, if the iwad does not match
- // any known IWAD name, we may have a dilemma. Try to
- // identify by its contents.
-
- if (gamemission == none)
- {- unsigned int i;
-
- for (i=0; i<numlumps; ++i)
- {- if (!strncasecmp(lumpinfo[i].name, "MAP01", 8))
- {- gamemission = doom2;
- break;
- }
- else if (!strncasecmp(lumpinfo[i].name, "E1M1", 8))
- {- gamemission = doom;
- break;
- }
- }
-
- if (gamemission == none)
- {- // Still no idea. I don't think this is going to work.
-
- I_Error("Unknown or invalid IWAD file.");- }
- }
-
- // Make sure gamemode is set up correctly
-
- if (gamemission == doom)
- {- // Doom 1. But which version?
-
- if (W_CheckNumForName("E4M1") > 0)- {- // Ultimate Doom
-
- gamemode = retail;
- }
- else if (W_CheckNumForName("E3M1") > 0)- {- gamemode = registered;
- }
- else
- {- gamemode = shareware;
- }
- }
- else
- {- // Doom 2 of some kind.
-
- gamemode = commercial;
- }
-}
-
-// Set the gamedescription string
-
-static void SetGameDescription(void)
-{- gamedescription = "Unknown";
-
- if (gamemission == doom)
- {- // Doom 1. But which version?
-
- if (gamemode == retail)
- {- // Ultimate Doom
-
- gamedescription = GetGameName("The Ultimate DOOM");- }
- else if (gamemode == registered)
- {- gamedescription = GetGameName("DOOM Registered");- }
- else if (gamemode == shareware)
- {- gamedescription = GetGameName("DOOM Shareware");- }
- }
- else
- {- // Doom 2 of some kind. But which mission?
-
- if (gamemission == doom2)
- gamedescription = GetGameName("DOOM 2: Hell on Earth");- else if (gamemission == pack_plut)
- gamedescription = GetGameName("DOOM 2: Plutonia Experiment"); - else if (gamemission == pack_tnt)
- gamedescription = GetGameName("DOOM 2: TNT - Evilution");- }
-}
-
#define MAXARGVS 100
static void LoadResponseFile(int argv_index)
@@ -1107,6 +764,29 @@
puts(msg);
}
+// Copyright message banners
+// Some dehacked mods replace these. These are only displayed if they are
+// replaced by dehacked.
+
+static char *copyright_banners[] =
+{+ "===========================================================================\n"
+ "ATTENTION: This version of DOOM has been modified. If you would like to\n"
+ "get a copy of the original game, call 1-800-IDGAMES or see the readme file.\n"
+ " You will not receive technical support for modified games.\n"
+ " press enter to continue\n"
+ "===========================================================================\n",
+
+ "===========================================================================\n"
+ " Commercial product - do not distribute!\n"
+ " Please report software piracy to the SPA: 1-800-388-PIR8\n"
+ "===========================================================================\n",
+
+ "===========================================================================\n"
+ " Shareware!\n"
+ "===========================================================================\n"
+};
+
// Prints a message only if it has been modified by dehacked.
void PrintDehackedBanners(void)
@@ -1134,57 +814,6 @@
}
}
-//
-// SetSaveGameDir
-//
-// Chooses the directory used to store saved games.
-//
-
-static void SetSaveGameDir(void)
-{- size_t i;
-
- if (!strcmp(configdir, ""))
- {- // Use the current directory, just like configdir.
-
- savegamedir = strdup("");- }
- else
- {- // Directory for savegames
-
- savegamedir = malloc(strlen(configdir) + 30);
- sprintf(savegamedir, "%ssavegames", configdir);
-
- M_MakeDirectory(savegamedir);
-
- // Find what subdirectory to use for savegames
- //
- // They should be stored in something like
- // ~/.chocolate-doom/savegames/doom.wad/
- //
- // The directory depends on the IWAD, so that savegames for
- // different IWADs are kept separate.
- //
- // Note that we match on gamemission rather than on IWAD name.
- // This ensures that doom1.wad and doom.wad saves are stored
- // in the same place.
-
- for (i=0; i<sizeof(iwads) / sizeof(*iwads); ++i)
- {- if (gamemission == iwads[i].mission)
- {- strcat(savegamedir, "/");
- strcat(savegamedir, iwads[i].name);
- strcat(savegamedir, "/");
- M_MakeDirectory(savegamedir);
- break;
- }
- }
- }
-}
-
static struct
{char *description;
@@ -1327,14 +956,20 @@
if (M_CheckParm("-search"))NET_LANQuery();
-
-
#ifdef FEATURE_DEHACKED
printf("DEH_Init: Init Dehacked support.\n");DEH_Init();
#endif
- FindIWAD ();
+ iwadfile = D_FindIWAD();
+
+ // None found?
+
+ if (iwadfile == NULL)
+ {+ I_Error("Game mode indeterminate. No IWAD file was found. Try\n"+ "specifying one with the '-iwad' command line parameter.\n");
+ }
setbuf (stdout, NULL);
modifiedgame = false;
@@ -1545,10 +1180,10 @@
W_GenerateHashTable();
- IdentifyVersion();
+ D_IdentifyVersion();
InitGameVersion();
- SetGameDescription();
- SetSaveGameDir();
+ D_SetGameDescription();
+ D_SetSaveGameDir();
// Check for -file in shareware
if (modifiedgame)
--- a/src/m_misc.c
+++ b/src/m_misc.c
@@ -122,6 +122,25 @@
#endif
}
+// Check if a file exists
+
+boolean M_FileExists(char *filename)
+{+ FILE *fstream;
+
+ fstream = fopen(filename, "r");
+
+ if (fstream != NULL)
+ {+ fclose(fstream);
+ return true;
+ }
+ else
+ {+ return false;
+ }
+}
+
--- a/src/m_misc.h
+++ b/src/m_misc.h
@@ -57,6 +57,8 @@
void M_MakeDirectory(char *dir);
+boolean M_FileExists(char *file);
+
int
M_DrawText