Cleanup: remove LodLevel

This was part of the game engine and is not used anymore.

Reviewers: brecht

Differential Revision: https://developer.blender.org/D8666

5 files changed, 0 insertions, 62 deletions

diff --git a/source/blender/blenkernel/intern/object.c b/source/blender/blenkernel/intern/object.c
index 31420b3adc6..9c0478134ba 100644
--- a/source/blender/blenkernel/intern/object.c
+++ b/source/blender/blenkernel/intern/object.c
@@ -156,7 +156,6 @@ static ThreadMutex vparent_lock = BLI_MUTEX_INITIALIZER;
 #endif
 
 static void copy_object_pose(Object *obn, const Object *ob, const int flag);
-static void copy_object_lod(Object *obn, const Object *ob, const int flag);
 
 static void object_init_data(ID *id)
 {
@@ -264,8 +263,6 @@ static void object_copy_data(Main *bmain, ID *id_dst, const ID *id_src, const in
   ob_dst->avs = ob_src->avs;
   ob_dst->mpath = animviz_copy_motionpath(ob_src->mpath);
 
-  copy_object_lod(ob_dst, ob_src, flag_subdata);
-
   /* Do not copy object's preview
    * (mostly due to the fact renderers create temp copy of objects). */
   if ((flag & LIB_ID_COPY_NO_PREVIEW) == 0 && false) { /* XXX TODO temp hack */
@@ -314,8 +311,6 @@ static void object_free_data(ID *id)
 
   BLI_freelistN(&ob->pc_ids);
 
-  BLI_freelistN(&ob->lodlevels);
-
   /* Free runtime curves data. */
   if (ob->runtime.curve_cache) {
     BKE_curve_bevelList_free(&ob->runtime.curve_cache->bev);
@@ -499,12 +494,6 @@ static void object_foreach_id(ID *id, LibraryForeachIDData *data)
     BKE_LIB_FOREACHID_PROCESS(data, object->rigidbody_constraint->ob2, IDWALK_CB_NEVER_SELF);
   }
 
-  if (object->lodlevels.first) {
-    LISTBASE_FOREACH (LodLevel *, level, &object->lodlevels) {
-      BKE_LIB_FOREACHID_PROCESS(data, level->source, IDWALK_CB_NEVER_SELF);
-    }
-  }
-
   BKE_modifiers_foreach_ID_link(object, library_foreach_modifiersForeachIDLink, data);
   BKE_gpencil_modifiers_foreach_ID_link(
       object, library_foreach_gpencil_modifiersForeachIDLink, data);
@@ -1585,13 +1574,6 @@ static void copy_object_pose(Object *obn, const Object *ob, const int flag)
   }
 }
 
-static void copy_object_lod(Object *obn, const Object *ob, const int UNUSED(flag))
-{
-  BLI_duplicatelist(&obn->lodlevels, &ob->lodlevels);
-
-  obn->currentlod = (LodLevel *)obn->lodlevels.first;
-}
-
 bool BKE_object_pose_context_check(const Object *ob)
 {
   if ((ob) && (ob->type == OB_ARMATURE) && (ob->pose) && (ob->mode & OB_MODE_POSE)) {
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index c9a0a7a16ab..a5e20a56475 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -4669,16 +4669,6 @@ static void lib_link_object(BlendLibReader *reader, Object *ob)
     BLO_read_id_address(reader, ob->id.lib, &ob->rigidbody_constraint->ob2);
   }
 
-  {
-    LISTBASE_FOREACH (LodLevel *, level, &ob->lodlevels) {
-      BLO_read_id_address(reader, ob->id.lib, &level->source);
-
-      if (!level->source && level == ob->lodlevels.first) {
-        level->source = ob;
-      }
-    }
-  }
-
   if (warn) {
     BKE_report(reader->fd->reports, RPT_WARNING, "Warning in console");
   }
@@ -5343,9 +5333,6 @@ static void direct_link_object(BlendDataReader *reader, Object *ob)
     }
   }
 
-  BLO_read_list(reader, &ob->lodlevels);
-  ob->currentlod = ob->lodlevels.first;
-
   ob->preview = direct_link_preview_image(reader, ob->preview);
 }
 
@@ -10240,12 +10227,6 @@ static void expand_object(BlendExpander *expander, Object *ob)
     BLO_expand(expander, ob->rigidbody_constraint->ob1);
     BLO_expand(expander, ob->rigidbody_constraint->ob2);
   }
-
-  if (ob->currentlod) {
-    LISTBASE_FOREACH (LodLevel *, level, &ob->lodlevels) {
-      BLO_expand(expander, level->source);
-    }
-  }
 }
 
 #ifdef USE_COLLECTION_COMPAT_28
diff --git a/source/blender/blenloader/intern/versioning_270.c b/source/blender/blenloader/intern/versioning_270.c
index b19c6221391..e6b2266e1eb 100644
--- a/source/blender/blenloader/intern/versioning_270.c
+++ b/source/blender/blenloader/intern/versioning_270.c
@@ -891,17 +891,6 @@ void blo_do_versions_270(FileData *fd, Library *UNUSED(lib), Main *bmain)
         }
       }
     }
-
-    /* hysteresis set to 10% but not activated */
-    if (!DNA_struct_elem_find(fd->filesdna, "LodLevel", "int", "obhysteresis")) {
-      Object *ob;
-      for (ob = bmain->objects.first; ob; ob = ob->id.next) {
-        LodLevel *level;
-        for (level = ob->lodlevels.first; level; level = level->next) {
-          level->obhysteresis = 10;
-        }
-      }
-    }
   }
 
   if (!MAIN_VERSION_ATLEAST(bmain, 274, 4)) {
diff --git a/source/blender/blenloader/intern/writefile.c b/source/blender/blenloader/intern/writefile.c
index f5cb421920a..1c6c70bab6d 100644
--- a/source/blender/blenloader/intern/writefile.c
+++ b/source/blender/blenloader/intern/writefile.c
@@ -1693,7 +1693,6 @@ static void write_object(BlendWriter *writer, Object *ob, const void *id_address
     write_shaderfxs(writer, &ob->shader_fx);
 
     BLO_write_struct_list(writer, LinkData, &ob->pc_ids);
-    BLO_write_struct_list(writer, LodLevel, &ob->lodlevels);
 
     write_previews(writer, ob->preview);
   }
diff --git a/source/blender/makesdna/DNA_object_types.h b/source/blender/makesdna/DNA_object_types.h
index 62c072831b4..586c704e0f1 100644
--- a/source/blender/makesdna/DNA_object_types.h
+++ b/source/blender/makesdna/DNA_object_types.h
@@ -108,15 +108,6 @@ enum {
   BOUNDBOX_DIRTY = (1 << 1),
 };
 
-typedef struct LodLevel {
-  struct LodLevel *next, *prev;
-  struct Object *source;
-  int flags;
-  float distance;
-  char _pad0[4];
-  int obhysteresis;
-} LodLevel;
-
 struct CustomData_MeshMasks;
 
 /* Not saved in file! */
@@ -393,10 +384,6 @@ typedef struct Object {
   char empty_image_flag;
   char _pad8[5];
 
-  /** Contains data for levels of detail. */
-  ListBase lodlevels;
-  LodLevel *currentlod;
-
   struct PreviewImage *preview;
 
   /** Runtime evaluation data (keep last). */