added function to set all parent links in tree

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

diff --git a/src/libgame/setup.c b/src/libgame/setup.c
index 1c7d78b660c6ba0215c18f6623460c5e579c3ace..192e2ce67e4d2b5307bdccf257e5ac9a4421563c 100644 (file)
--- a/src/libgame/setup.c
+++ b/src/libgame/setup.c
@@ -2882,7 +2882,7 @@ static TreeInfo *createParentTreeInfoNode(TreeInfo *node_parent)
   ti_new->parent_link = TRUE;
 
   setString(&ti_new->identifier, node_parent->identifier);
-  setString(&ti_new->name, ".. (parent directory)");
+  setString(&ti_new->name, BACKLINK_TEXT_PARENT);
   setString(&ti_new->name_sorting, ti_new->name);
 
   setString(&ti_new->subdir, STRING_PARENT_DIRECTORY);
@@ -2900,19 +2900,19 @@ static TreeInfo *createParentTreeInfoNode(TreeInfo *node_parent)
 
 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);
+  TreeInfo *ti_new = newTreeInfo();
+  int type = node_first->type;
+
+  setTreeInfoToDefaults(ti_new, type);
 
   ti_new->node_parent = NULL;
   ti_new->parent_link = FALSE;
 
   setString(&ti_new->identifier, node_first->identifier);
-  setString(&ti_new->name, INFOTEXT_LEVEL_DIR);
+  setString(&ti_new->name, TREE_INFOTEXT(type));
   setString(&ti_new->name_sorting, ti_new->name);
 
   setString(&ti_new->subdir, STRING_TOP_DIRECTORY);
@@ -2921,19 +2921,32 @@ static TreeInfo *createTopTreeInfoNode(TreeInfo *node_first)
   ti_new->sort_priority = node_first->sort_priority;;
   ti_new->latest_engine = node_first->latest_engine;
 
-  setString(&ti_new->class_desc, INFOTEXT_LEVEL_DIR);
+  setString(&ti_new->class_desc, TREE_INFOTEXT(type));
 
   ti_new->node_group = node_first;
   ti_new->level_group = TRUE;
 
-  ti_new2 = createParentTreeInfoNode(ti_new);
+  TreeInfo *ti_new2 = createParentTreeInfoNode(ti_new);
 
-  setString(&ti_new2->name, ".. (main menu)");
+  setString(&ti_new2->name, TREE_BACKLINK_TEXT(type));
   setString(&ti_new2->name_sorting, ti_new2->name);
 
   return ti_new;
 }
 
+static void setTreeInfoParentNodes(TreeInfo *node, TreeInfo *node_parent)
+{
+  while (node)
+  {
+    if (node->node_group)
+      setTreeInfoParentNodes(node->node_group, node);
+
+    node->node_parent = node_parent;
+
+    node = node->next;
+  }
+}
+
 
 // ----------------------------------------------------------------------------
 // functions for handling level and custom artwork info cache
@@ -3923,9 +3936,33 @@ void LoadArtworkInfo(void)
 #endif
 }
 
+static void MoveArtworkInfoIntoSubTree(ArtworkDirTree **artwork_node)
+{
+  ArtworkDirTree *artwork_new = newTreeInfo();
+  char *top_node_name = "dedicated custom artwork";
+
+  setTreeInfoToDefaults(artwork_new, (*artwork_node)->type);
+
+  artwork_new->level_group = TRUE;
+
+  setString(&artwork_new->identifier,   top_node_name);
+  setString(&artwork_new->name,         top_node_name);
+  setString(&artwork_new->name_sorting, top_node_name);
+
+  // create node to link back to current custom artwork directory
+  createParentTreeInfoNode(artwork_new);
+
+  // move existing custom artwork tree into newly created sub-tree
+  artwork_new->node_group->next = *artwork_node;
+
+  // change custom artwork tree to contain only newly created node
+  *artwork_node = artwork_new;
+}
+
 static void LoadArtworkInfoFromLevelInfoExt(ArtworkDirTree **artwork_node,
                                            ArtworkDirTree *node_parent,
-                                           LevelDirTree *level_node)
+                                           LevelDirTree *level_node,
+                                           boolean empty_level_set_mode)
 {
   int type = (*artwork_node)->type;
 
@@ -3933,8 +3970,10 @@ static void LoadArtworkInfoFromLevelInfoExt(ArtworkDirTree **artwork_node,
 
   while (level_node)
   {
+    boolean empty_level_set = (level_node->levels == 0);
+
     // check all tree entries for artwork, but skip parent link entries
-    if (!level_node->parent_link)
+    if (!level_node->parent_link && empty_level_set == empty_level_set_mode)
     {
       TreeInfo *artwork_new = getArtworkInfoCacheEntry(level_node, type);
       boolean cached = (artwork_new != NULL);
@@ -3985,8 +4024,21 @@ static void LoadArtworkInfoFromLevelInfoExt(ArtworkDirTree **artwork_node,
       artwork_new->level_group = TRUE;
 
       setString(&artwork_new->identifier,   level_node->subdir);
-      setString(&artwork_new->name,         level_node->name);
-      setString(&artwork_new->name_sorting, level_node->name_sorting);
+
+      if (node_parent == NULL)         // check for top tree node
+      {
+       char *top_node_name = (empty_level_set_mode ?
+                              "artwork-only level sets" :
+                              "artwork from level sets");
+
+       setString(&artwork_new->name,         top_node_name);
+       setString(&artwork_new->name_sorting, top_node_name);
+      }
+      else
+      {
+       setString(&artwork_new->name,         level_node->name);
+       setString(&artwork_new->name_sorting, level_node->name_sorting);
+      }
 
       pushTreeInfo(artwork_node, artwork_new);
 
@@ -3995,7 +4047,8 @@ static void LoadArtworkInfoFromLevelInfoExt(ArtworkDirTree **artwork_node,
 
       // recursively step into sub-directory and look for more custom artwork
       LoadArtworkInfoFromLevelInfoExt(&artwork_new->node_group, artwork_new,
-                                     level_node->node_group);
+                                     level_node->node_group,
+                                     empty_level_set_mode);
 
       // if sub-tree has no custom artwork at all, remove it
       if (artwork_new->node_group->next == NULL)
@@ -4008,7 +4061,15 @@ static void LoadArtworkInfoFromLevelInfoExt(ArtworkDirTree **artwork_node,
 
 static void LoadArtworkInfoFromLevelInfo(ArtworkDirTree **artwork_node)
 {
-  LoadArtworkInfoFromLevelInfoExt(artwork_node, NULL, leveldir_first_all);
+  // move peviously loaded artwork tree into separate sub-tree
+  MoveArtworkInfoIntoSubTree(artwork_node);
+
+  // load artwork from level sets into separate sub-trees
+  LoadArtworkInfoFromLevelInfoExt(artwork_node, NULL, leveldir_first_all, TRUE);
+  LoadArtworkInfoFromLevelInfoExt(artwork_node, NULL, leveldir_first_all, FALSE);
+
+  // set all parent links (back links) in complete artwork tree
+  setTreeInfoParentNodes(*artwork_node, NULL);
 }
 
 void LoadLevelArtworkInfo(void)