added program config file support for run-time special edition support

[rocksndiamonds.git] / src / libgame / setup.c

diff --git a/src/libgame/setup.c b/src/libgame/setup.c
index aa97093c5669144986d4746b8de9f0e66daf0e2e..5fc8ccc7953b15faec7cfb47423ec4d0399fc4d1 100644 (file)
--- a/src/libgame/setup.c
+++ b/src/libgame/setup.c
@@ -393,6 +393,17 @@ inline static char *getLevelArtworkDir(int type)
   return LEVELDIR_ARTWORK_PATH(leveldir_current, type);
 }
 
+char *getProgramConfigFilename(char *command_filename_ptr)
+{
+  char *command_filename = getStringCopy(command_filename_ptr);
+
+  // strip trailing executable suffix from command filename
+  if (strSuffix(command_filename, ".exe"))
+    command_filename[strlen(command_filename) - 4] = '\0';
+
+  return getStringCat2(command_filename, ".conf");
+}
+
 char *getTapeFilename(int nr)
 {
   static char *filename = NULL;
@@ -456,6 +467,11 @@ char *getSetupFilename()
   return filename;
 }
 
+char *getDefaultSetupFilename()
+{
+  return program.config_filename;
+}
+
 char *getEditorSetupFilename()
 {
   static char *filename = NULL;
@@ -659,18 +675,20 @@ char *getCustomImageFilename(char *basename)
   if (fileExists(filename))
     return filename;
 
-#if defined(CREATE_SPECIAL_EDITION)
-  free(filename);
+  if (!strEqual(GFX_FALLBACK_FILENAME, UNDEFINED_FILENAME))
+  {
+    free(filename);
 
-  if (options.debug)
-    Error(ERR_WARN, "cannot find artwork file '%s' (using fallback)", basename);
+    if (options.debug)
+      Error(ERR_WARN, "cannot find artwork file '%s' (using fallback)",
+           basename);
 
-  /* 6th try: look for fallback artwork in old default artwork directory */
-  /* (needed to prevent errors when trying to access unused artwork files) */
-  filename = getImg2(options.graphics_directory, GFX_FALLBACK_FILENAME);
-  if (fileExists(filename))
-    return filename;
-#endif
+    /* 6th try: look for fallback artwork in old default artwork directory */
+    /* (needed to prevent errors when trying to access unused artwork files) */
+    filename = getImg2(options.graphics_directory, GFX_FALLBACK_FILENAME);
+    if (fileExists(filename))
+      return filename;
+  }
 
   return NULL;         /* cannot find specified artwork file anywhere */
 }
@@ -730,18 +748,20 @@ char *getCustomSoundFilename(char *basename)
   if (fileExists(filename))
     return filename;
 
-#if defined(CREATE_SPECIAL_EDITION)
-  free(filename);
+  if (!strEqual(SND_FALLBACK_FILENAME, UNDEFINED_FILENAME))
+  {
+    free(filename);
 
-  if (options.debug)
-    Error(ERR_WARN, "cannot find artwork file '%s' (using fallback)", basename);
+    if (options.debug)
+      Error(ERR_WARN, "cannot find artwork file '%s' (using fallback)",
+           basename);
 
-  /* 6th try: look for fallback artwork in old default artwork directory */
-  /* (needed to prevent errors when trying to access unused artwork files) */
-  filename = getPath2(options.sounds_directory, SND_FALLBACK_FILENAME);
-  if (fileExists(filename))
-    return filename;
-#endif
+    /* 6th try: look for fallback artwork in old default artwork directory */
+    /* (needed to prevent errors when trying to access unused artwork files) */
+    filename = getPath2(options.sounds_directory, SND_FALLBACK_FILENAME);
+    if (fileExists(filename))
+      return filename;
+  }
 
   return NULL;         /* cannot find specified artwork file anywhere */
 }
@@ -801,18 +821,20 @@ char *getCustomMusicFilename(char *basename)
   if (fileExists(filename))
     return filename;
 
-#if defined(CREATE_SPECIAL_EDITION)
-  free(filename);
+  if (!strEqual(MUS_FALLBACK_FILENAME, UNDEFINED_FILENAME))
+  {
+    free(filename);
 
-  if (options.debug)
-    Error(ERR_WARN, "cannot find artwork file '%s' (using fallback)", basename);
+    if (options.debug)
+      Error(ERR_WARN, "cannot find artwork file '%s' (using fallback)",
+           basename);
 
-  /* 6th try: look for fallback artwork in old default artwork directory */
-  /* (needed to prevent errors when trying to access unused artwork files) */
-  filename = getPath2(options.music_directory, MUS_FALLBACK_FILENAME);
-  if (fileExists(filename))
-    return filename;
-#endif
+    /* 6th try: look for fallback artwork in old default artwork directory */
+    /* (needed to prevent errors when trying to access unused artwork files) */
+    filename = getPath2(options.music_directory, MUS_FALLBACK_FILENAME);
+    if (fileExists(filename))
+      return filename;
+  }
 
   return NULL;         /* cannot find specified artwork file anywhere */
 }
@@ -2542,12 +2564,12 @@ static int compareTreeInfoEntries(const void *object1, const void *object2)
   return compare_result;
 }
 
-static void createParentTreeInfoNode(TreeInfo *node_parent)
+static TreeInfo *createParentTreeInfoNode(TreeInfo *node_parent)
 {
   TreeInfo *ti_new;
 
   if (node_parent == NULL)
-    return;
+    return NULL;
 
   ti_new = newTreeInfo();
   setTreeInfoToDefaults(ti_new, node_parent->type);
@@ -2559,7 +2581,7 @@ static void createParentTreeInfoNode(TreeInfo *node_parent)
   setString(&ti_new->name, ".. (parent directory)");
   setString(&ti_new->name_sorting, ti_new->name);
 
-  setString(&ti_new->subdir, "..");
+  setString(&ti_new->subdir, STRING_PARENT_DIRECTORY);
   setString(&ti_new->fullpath, node_parent->fullpath);
 
   ti_new->sort_priority = node_parent->sort_priority;
@@ -2568,6 +2590,44 @@ static void createParentTreeInfoNode(TreeInfo *node_parent)
   setString(&ti_new->class_desc, getLevelClassDescription(ti_new));
 
   pushTreeInfo(&node_parent->node_group, ti_new);
+
+  return ti_new;
+}
+
+static TreeInfo *createTopTreeInfoNode(TreeInfo *node_first)
+{
+  TreeInfo *ti_new, *ti_new2;
+
+  if (node_first == NULL)
+    return NULL;
+
+  ti_new = newTreeInfo();
+  setTreeInfoToDefaults(ti_new, TREE_TYPE_LEVEL_DIR);
+
+  ti_new->node_parent = NULL;
+  ti_new->parent_link = FALSE;
+
+  setString(&ti_new->identifier, node_first->identifier);
+  setString(&ti_new->name, "level sets");
+  setString(&ti_new->name_sorting, ti_new->name);
+
+  setString(&ti_new->subdir, STRING_TOP_DIRECTORY);
+  setString(&ti_new->fullpath, node_first->fullpath);
+
+  ti_new->sort_priority = node_first->sort_priority;;
+  ti_new->latest_engine = node_first->latest_engine;
+
+  setString(&ti_new->class_desc, "level sets");
+
+  ti_new->node_group = node_first;
+  ti_new->level_group = TRUE;
+
+  ti_new2 = createParentTreeInfoNode(ti_new);
+
+  setString(&ti_new2->name, ".. (main menu)");
+  setString(&ti_new2->name_sorting, ti_new2->name);
+
+  return ti_new;
 }
 
 
@@ -2978,6 +3038,8 @@ void LoadLevelInfo()
   LoadLevelInfoFromLevelDir(&leveldir_first, NULL, options.level_directory);
   LoadLevelInfoFromLevelDir(&leveldir_first, NULL, getUserLevelDir(NULL));
 
+  leveldir_first = createTopTreeInfoNode(leveldir_first);
+
   /* after loading all level set information, clone the level directory tree
      and remove all level sets without levels (these may still contain artwork
      to be offered in the setup menu as "custom artwork", and are therefore
@@ -3586,12 +3648,13 @@ void LoadLevelSetup_LastSeries()
   /* always start with reliable default values */
   leveldir_current = getFirstValidTreeInfoEntry(leveldir_first);
 
-#if defined(CREATE_SPECIAL_EDITION_RND_JUE)
-  leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
-                                              "jue_start");
-  if (leveldir_current == NULL)
-    leveldir_current = getFirstValidTreeInfoEntry(leveldir_first);
-#endif
+  if (!strEqual(DEFAULT_LEVELSET, UNDEFINED_LEVELSET))
+  {
+    leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
+                                                DEFAULT_LEVELSET);
+    if (leveldir_current == NULL)
+      leveldir_current = getFirstValidTreeInfoEntry(leveldir_first);
+  }
 
   if ((level_setup_hash = loadSetupFileHash(filename)))
   {