Add -additionaldir command-line option

Descent3/Game2DLL.cpp

@@ -565,16 +565,15 @@ bool InitGameModule(const char *name, module *mod) {
   std::filesystem::path dll_name;
   std::filesystem::path tmp_dll_name;
   // Make the hog filename
-  lib_name = std::filesystem::path(Base_directory) / "netgames" / name;
+  lib_name = std::filesystem::path("netgames") / name;
   lib_name.replace_extension(".d3m");
   // Make the dll filename
   dll_name = name;
   dll_name.replace_extension(MODULE_EXT);
 
   // Open the hog file
   if (!cf_OpenLibrary(lib_name)) {
-    tmp_dll_name = std::filesystem::path(Base_directory) / "netgames" / name;
-    tmp_dll_name.replace_extension(".d3m");
+    tmp_dll_name = cf_LocatePath(lib_name).u8string().c_str();
     Multi_game_dll_name.clear();
     goto loaddll;
   }

Descent3/Mission.cpp

@@ -921,7 +921,7 @@ bool LoadMission(const char *mssn) {
 
   if (IS_MN3_FILE(mssn)) {
     strcpy(mission, mssn);
-    ddio_MakePath(pathname, D3MissionsDir, mission, NULL);
+    ddio_MakePath(pathname, "missions", mission, NULL);
   } else {
     strcpy(mission, mssn);
     strcpy(pathname, mssn);
@@ -1645,9 +1645,7 @@ void DoMissionMovie(const char *movie) {
   return;
 #endif
   if (movie && *movie) {
-    char mpath[_MAX_PATH];
-    ddio_MakePath(mpath, LocalD3Dir, "movies", movie, NULL);
-    PlayMovie(mpath);
+    PlayMovie(movie);
   }
 }
 
@@ -1835,11 +1833,11 @@ bool mn3_Open(const char *mn3file) {
   char voice_hog[_MAX_PATH*2];
   if ((stricmp(filename, "d3") == 0) || (stricmp(filename, "training") == 0)) {
     // Open audio hog file
-    ddio_MakePath(voice_hog, D3MissionsDir, "d3voice1.hog", nullptr); // Audio for levels 1-4
+    ddio_MakePath(voice_hog, "missions", "d3voice1.hog", nullptr); // Audio for levels 1-4
     Mission_voice_hog_handle = cf_OpenLibrary(voice_hog);
   } else if (stricmp(filename, "d3_2") == 0) {
     // Open audio hog file
-    ddio_MakePath(voice_hog, D3MissionsDir, "d3voice2.hog", nullptr); // Audio for levels 5-17
+    ddio_MakePath(voice_hog, "missions", "d3voice2.hog", nullptr); // Audio for levels 5-17
     Mission_voice_hog_handle = cf_OpenLibrary(voice_hog);
   }
   strcat(filename, ".gam");
@@ -1855,7 +1853,7 @@ bool mn3_GetInfo(const char *mn3file, tMissionInfo *msn) {
   char pathname[_MAX_PATH];
   char filename[PSFILENAME_LEN + 1];
 
-  ddio_MakePath(pathname, D3MissionsDir, mn3file, nullptr);
+  ddio_MakePath(pathname, "missions", mn3file, nullptr);
   handle = cf_OpenLibrary(pathname);
   if (handle == 0) {
     LOG_ERROR << "MISSION: MN3 failed to open.";

Descent3/PilotPicsAPI.cpp

@@ -132,9 +132,7 @@ bool PPic_InitDatabase(void) {
 
   // attempt to open the hog database
   // --------------------------------
-  char fullpath[_MAX_PATH];
-  ddio_MakePath(fullpath, LocalD3Dir, PILOTPIC_DATABASE_HOG, NULL);
-  PilotPic_database_hog_handle = cf_OpenLibrary(fullpath);
+  PilotPic_database_hog_handle = cf_OpenLibrary(PILOTPIC_DATABASE_HOG);
 
   if (PilotPic_database_hog_handle == 0) {
     // there was an error opening the hog database

Descent3/ambient.cpp

@@ -293,7 +293,7 @@ void WriteAmbientData() {
   CFILE *ofile;
 
 #ifndef NEWEDITOR
-  ddio_MakePath(filename, Base_directory, "data", "misc", AMBIENT_FILE_NAME, NULL);
+  ddio_MakePath(filename, cf_GetWritableBaseDirectory().u8string().c_str(), "data", "misc", AMBIENT_FILE_NAME, NULL);
 #else
   ddio_MakePath(filename, D3HogDir, "data", "misc", AMBIENT_FILE_NAME, NULL);
 #endif

Descent3/args.cpp

@@ -104,22 +104,26 @@ const char *SkipArgPrefix(const char *arg) {
   return arg;
 }
 
-int FindArg(const char *which) {
+int FindArg(const char *which, int start) {
   if (which == nullptr)
     return 0;
 
   auto which_matches = [which = SkipArgPrefix(which)](char *arg) -> bool {
     return strcasecmp(which, SkipArgPrefix(arg)) == 0;
   };
 
-  for (int i = 1; i <= TotalArgs; i++) {
+  for (int i = start; i <= TotalArgs; i++) {
     if (which_matches(GameArgs[i])) {
       LOG_INFO.printf("FindArg: Found [%s] at argument index (%d).", which, i);
       return i;
     }
   }
 
-  LOG_VERBOSE.printf("FindArg: Did not find [%s] on command line.", which);
+  if (start == 1) {
+    LOG_VERBOSE.printf("FindArg: Did not find [%s] on command line.", which);
+  } else {
+    LOG_VERBOSE.printf("FindArg: Did not find [%s] on command line at index %i or after index %i.", which, start, start);
+  }
   return 0;
 }
 

Descent3/args.h

@@ -28,7 +28,7 @@ void GatherArgs(const char *str);
 void GatherArgs(char **argv);
 
 // Returns index of argument sought, or 0 if not found
-int FindArg(const char *which);
+int FindArg(const char *which, int start = 1);
 int FindArgChar(const char *which, char singleCharArg);
 
 const char *GetArg(int index);

Descent3/cinematics.cpp

@@ -45,10 +45,7 @@ bool InitCinematics() {
     return true;
   }
 
-  char path[_MAX_PATH];
-  ddio_MakePath(path, Base_directory, "movies", NULL);
-
-  if (mve_Init(path, Sound_card_name) != MVELIB_NOERROR)
+  if (mve_Init() != MVELIB_NOERROR)
     return false;
 
   mve_SetCallback(CinematicCallback);

Descent3/d3movie.cpp

@@ -53,8 +53,7 @@ static bool mve_InitSound();
 static void mve_CloseSound();
 #endif
 
-// sets the directory where movies are stored
-int mve_Init(const char *dir, const char *sndcard) {
+int mve_Init() {
 #ifndef NO_MOVIES
   return MVELIB_NOERROR;
 #else
@@ -72,47 +71,11 @@ void mve_SetCallback(MovieFrameCallback_fp callBack) {
 // used to tell movie library how to render movies.
 void mve_SetRenderProperties(int16_t x, int16_t y, int16_t w, int16_t h, renderer_type type, bool hicolor) {}
 
-#if defined(POSIX)
-// locates the case-sensitive movie file name
-std::filesystem::path mve_FindMovieFileRealName(const std::filesystem::path &movie) {
-  // split into directory and file...
-  std::filesystem::path t_file = movie.filename();
-  std::filesystem::path t_dir = movie.parent_path();
-  std::filesystem::path t_out;
-
-  // found a directory?
-  if (!t_dir.empty()) {
-    // map the bits (or fail)
-    t_out = cf_FindRealFileNameCaseInsensitive(t_file, t_dir);
-    if (t_out.empty())
-      return t_out;
-    // re-assemble
-    return (t_dir / t_out);
-  } else {
-    // just a file, map that
-    t_out = cf_FindRealFileNameCaseInsensitive(t_file);
-    if (t_out.empty())
-      return t_out;
-    // re-assemble
-    return t_out;
-  }
-}
-#endif
-
 // plays a movie using the current screen.
 int mve_PlayMovie(const std::filesystem::path &pMovieName, oeApplication *pApp) {
 #ifndef NO_MOVIES
   // first, find that movie..
-  std::filesystem::path real_name;
-#if defined(POSIX)
-  real_name = mve_FindMovieFileRealName(pMovieName);
-  if (real_name.empty()) {
-    LOG_WARNING.printf("MOVIE: No such file %s", pMovieName.u8string().c_str());
-    return MVELIB_FILE_ERROR;
-  }
-#else
-  real_name = pMovieName;
-#endif
+  std::filesystem::path real_name = cf_LocatePath("movies" / pMovieName);
   // open movie file.
   FILE *hFile = fopen(real_name.u8string().c_str(), "rb");
   if (hFile == nullptr) {
@@ -355,17 +318,7 @@ void CallbackShowFrameNoFlip(unsigned char *buf, unsigned int bufw, unsigned int
 intptr_t mve_SequenceStart(const char *mvename, void *fhandle, oeApplication *app, bool looping) {
 #ifndef NO_MOVIES
   // first, find that movie..
-  std::filesystem::path real_name;
-#if defined(POSIX)
-  real_name = mve_FindMovieFileRealName(mvename);
-  if (real_name.empty()) {
-    LOG_WARNING.printf("MOVIE: No such file %s", mvename);
-    fhandle = nullptr;
-    return 0;
-  }
-#else
-  real_name = mvename;
-#endif
+  std::filesystem::path real_name = cf_LocatePath(std::filesystem::path("movies") / mvename);
   fhandle = fopen(real_name.u8string().c_str(), "rb");
 
   if (fhandle == nullptr) {

Descent3/d3movie.h

@@ -33,7 +33,7 @@
 #define MVELIB_PLAYBACK_ERROR (-5)
 #define MVELIB_PLAYBACK_ABORTED (-6)
 
-int mve_Init(const char *dir, const char *sndcard);
+int mve_Init();
 
 // simply plays a movie.
 int mve_PlayMovie(const std::filesystem::path &pMovieName, oeApplication *pApp);

Descent3/demofile.cpp

@@ -359,7 +359,7 @@ void DemoToggleRecording() {
     if (stricmp(szfile + (strlen(szfile) - 4), ".dem") != 0) {
       strcat(szfile, ".dem");
     }
-    Demo_fname = std::filesystem::path(Base_directory) / "demo" / szfile;
+    Demo_fname = cf_GetWritableBaseDirectory() / "demo" / szfile;
     LOG_INFO.printf("Saving demo to file: %s", Demo_fname.u8string().c_str());
     // Try to create the file
     Demo_cfp = cfopen(Demo_fname, "wb");
@@ -1408,7 +1408,7 @@ bool LoadDemoDialog() {
   //	return false;
   // #else
 
-  std::filesystem::path file = std::filesystem::path(Base_directory) / "demo";
+  std::filesystem::path file = cf_GetWritableBaseDirectory() / "demo";
 
   if (DoPathFileDialog(false, file, TXT_VIEWDEMO, {"*.dem"}, PFDF_FILEMUSTEXIST)) {
     Demo_fname = file;

Descent3/descent.cpp

@@ -490,7 +490,7 @@ void Descent3() {
         };
 
         for (auto const &intro : intros) {
-          PlayMovie(std::filesystem::path(Base_directory) / "movies" / intro);
+          PlayMovie(intro);
         }
       }
 

Descent3/descent.h

@@ -181,9 +181,6 @@ extern bool Descent_overrided_intro;
 // How long the a mission name can be
 #define MSN_NAMELEN 32
 
-// The "root" directory of the D3 file tree
-extern char Base_directory[];
-
 // Variable to preserve current path. TODO: redundant?
 extern std::filesystem::path orig_pwd;
 

Descent3/game.cpp

@@ -1279,7 +1279,7 @@ void DoScreenshot() {
   count = 1;
   while (!done) {
     snprintf(str, sizeof(str), "Screenshot%.3d.png", count);
-    ddio_MakePath(filename, Base_directory, str, NULL);
+    ddio_MakePath(filename, cf_GetWritableBaseDirectory().u8string().c_str(), str, NULL);
     infile = (CFILE *)cfopen(filename, "rb");
     if (infile == NULL) {
       done = 1;

Descent3/gamesave.cpp

@@ -348,7 +348,7 @@ void QuickSaveGame() {
     i = Quicksave_game_slot;
 
     snprintf(filename, sizeof(filename), "saveg00%d", i);
-    ddio_MakePath(pathname, Base_directory, "savegame", filename, NULL);
+    ddio_MakePath(pathname, cf_GetWritableBaseDirectory().u8string().c_str(), "savegame", filename, NULL);
 
     fp = fopen(pathname, "rb");
     if (fp) {
@@ -391,7 +391,7 @@ void SaveGameDialog() {
 #endif
 
   // setup paths.
-  ddio_MakePath(savegame_dir, Base_directory, "savegame", NULL);
+  ddio_MakePath(savegame_dir, cf_GetWritableBaseDirectory().u8string().c_str(), "savegame", NULL);
   //	ddio_MakePath(pathname, savegame_dir, "*.sav", NULL); -unused
 
   // create savegame directory if it didn't exist before.
@@ -543,7 +543,7 @@ void __cdecl LoadGameDialogCB(newuiTiledWindow *wnd, void *data)
 
     LOG_DEBUG.printf("savegame slot=%d", id - SAVE_HOTSPOT_ID);
 
-    ddio_MakePath(savegame_dir, Base_directory, "savegame", NULL);
+    ddio_MakePath(savegame_dir, cf_GetWritableBaseDirectory().u8string().c_str(), "savegame", NULL);
     snprintf(filename, sizeof(filename), "saveg00%d", (id - SAVE_HOTSPOT_ID));
     ddio_MakePath(pathname, savegame_dir, filename, NULL);
 
@@ -586,7 +586,7 @@ bool LoadGameDialog() {
   }
 
   // setup paths.
-  ddio_MakePath(savegame_dir, Base_directory, "savegame", NULL);
+  ddio_MakePath(savegame_dir, cf_GetWritableBaseDirectory().u8string().c_str(), "savegame", NULL);
   ddio_MakePath(pathname, savegame_dir, "*.sav", NULL);
 
   // create savegame directory if it didn't exist before.

Descent3/gamesequence.cpp

@@ -1295,31 +1295,28 @@ bool GameSequencer() {
 
 // Make sure we have the correct hogfile
 void CheckHogfile() {
-  char hogpath[_MAX_PATH * 2];
+  const char *new_mn3;
   LOG_DEBUG << "Checking to see if we need to open another hog off of disk or CDROM";
 
   if (Current_mission.filename && (stricmp(Current_mission.filename, "d3.mn3") == 0) &&
       (Current_mission.cur_level > 4)) {
-    // close the mission hog file and open d3_2.mn3
-    mn3_Close();
-    ddio_MakePath(hogpath, D3MissionsDir, "d3_2.mn3", nullptr);
-    if (cfexist(hogpath)) {
-      mn3_Open(hogpath);
-      mem_free(Current_mission.filename);
-      Current_mission.filename = mem_strdup("d3_2.mn3");
-    } else {
-      SetFunctionMode(MENU_MODE);
-    }
+    new_mn3 = "d3_2.mn3";
   } else if (Current_mission.filename && (stricmp(Current_mission.filename, "d3_2.mn3") == 0) &&
              (Current_mission.cur_level <= 4)) {
-    // Part 2 of the mission is d3_2.mn3
-    // close the mission hog file and open d3.mn3
+    new_mn3 = "d3.mn3";
+  } else {
+    new_mn3 = NULL;
+  }
+
+  if (new_mn3) {
+    // close the mission hog file and open the new one
     mn3_Close();
-    ddio_MakePath(hogpath, D3MissionsDir, "d3.mn3", nullptr);
-    if (cfexist(hogpath)) {
-      mn3_Open(hogpath);
+    auto relative_path = std::filesystem::path("missions") / new_mn3;
+    auto absolute_path = cf_LocatePath(relative_path);
+    if (std::filesystem::exists(absolute_path)) {
+      mn3_Open(relative_path.u8string().c_str());
       mem_free(Current_mission.filename);
-      Current_mission.filename = mem_strdup("d3.mn3");
+      Current_mission.filename = mem_strdup(new_mn3);
     } else {
       SetFunctionMode(MENU_MODE);
     }
@@ -1628,35 +1625,9 @@ void StartLevel() {
 
 // Loads a level and starts everything up
 bool LoadAndStartCurrentLevel() {
-  char hogpath[_MAX_PATH * 2];
   // This is a bit redundant because we just did it in most cases, but we need to be sure that it always happens,
   // and this code is here for weird systems, like save/load and demo, etc.
-  if (Current_mission.filename && (stricmp(Current_mission.filename, "d3.mn3") == 0) &&
-      (Current_mission.cur_level > 4)) {
-    // close the mission hog file and open d3_2.mn3
-    mn3_Close();
-    ddio_MakePath(hogpath, D3MissionsDir, "d3_2.mn3", nullptr);
-    if (cfexist(hogpath)) {
-      mn3_Open(hogpath);
-      mem_free(Current_mission.filename);
-      Current_mission.filename = mem_strdup("d3_2.mn3");
-    } else {
-      SetFunctionMode(MENU_MODE);
-    }
-  } else if (Current_mission.filename && (stricmp(Current_mission.filename, "d3_2.mn3") == 0) &&
-             (Current_mission.cur_level <= 4)) {
-    // Part 2 of the mission is d3_2.mn3
-    // close the mission hog file and open d3.mn3
-    mn3_Close();
-    ddio_MakePath(hogpath, D3MissionsDir, "d3.mn3", nullptr);
-    if (cfexist(hogpath)) {
-      mn3_Open(hogpath);
-      mem_free(Current_mission.filename);
-      Current_mission.filename = mem_strdup("d3.mn3");
-    } else {
-      SetFunctionMode(MENU_MODE);
-    }
-  }
+  CheckHogfile();
 
   //	load the level. if fails, then bail out
   // ShowProgressScreen (TXT_LOADINGLEVEL);

Descent3/gamespy.cpp

@@ -124,7 +124,7 @@ int gspy_Init() {
   }
 
   // Read the config, resolve the name if needed and setup the server addresses
-  cfgpath = std::filesystem::path(Base_directory) / gspy_cfgfilename;
+  cfgpath = cf_LocatePath(gspy_cfgfilename);
 
   gspy_socket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);