Cleanup: remove/comment unused struct members & variables

source/blender/blenkernel/intern/lib_query.cc

@@ -511,8 +511,8 @@ bool BKE_library_id_can_use_idtype(ID *owner_id, const short id_type_used)
 struct IDUsersIter {
   ID *id;
 
-  ListBase *lb_array[INDEX_ID_MAX];
-  int lb_idx;
+  // ListBase *lb_array[INDEX_ID_MAX]; /* UNUSED. */
+  // int lb_idx; /* UNUSED. */
 
   ID *curr_id;
   int count_direct, count_indirect; /* Set by callback. */

source/blender/editors/armature/pose_slide.cc

@@ -149,7 +149,7 @@ struct tPoseSlideOp {
   /** Sliding Mode. */
   ePoseSlide_Modes mode;
   /** unused for now, but can later get used for storing runtime settings.... */
-  short flag;
+  // short flag;
 
   /* Store overlay settings when invoking the operator. Bones will be temporarily hidden. */
   int overlay_flag;

source/blender/editors/sculpt_paint/paint_image_2d.cc

@@ -70,7 +70,7 @@ struct BrushPainterCache {
 
   CurveMaskCache curve_mask_cache;
 
-  int image_size[2];
+  // int image_size[2]; /* UNUSED. */
 };
 
 struct BrushPainter {

source/blender/freestyle/intern/view_map/ViewMapBuilder.cpp

@@ -1295,7 +1295,6 @@ void ViewMapBuilder::computeInitialViewEdges(WingedEdge &we)
 
 void ViewMapBuilder::computeCusps(ViewMap *ioViewMap)
 {
-  vector<ViewVertex *> newVVertices;
   vector<ViewEdge *> newVEdges;
   ViewMap::viewedges_container &vedges = ioViewMap->ViewEdges();
   ViewMap::viewedges_container::iterator ve = vedges.begin(), veend = vedges.end();
@@ -2004,8 +2003,6 @@ void ViewMapBuilder::FindOccludee(FEdge *fe,
 void ViewMapBuilder::FindOccludee(
     FEdge *fe, Grid *iGrid, real epsilon, Polygon3r **oaPolygon, uint timestamp)
 {
-  OccludersSet occluders;
-
   Vec3r A;
   Vec3r edgeDir;
   Vec3r origin;

source/blender/io/collada/BCAnimationSampler.cpp

@@ -176,7 +176,6 @@ void BCAnimationSampler::sample_scene(BCExportSettings &export_settings, bool ke
   Scene *scene = blender_context.get_scene();
   BCFrameSet scene_sample_frames;
   get_sample_frames(scene_sample_frames, sampling_rate, keyframe_at_end, scene);
-  BCFrameSet::iterator it;
 
   int startframe = scene->r.sfra;
   int endframe = scene->r.efra;
@@ -277,7 +276,6 @@ void BCAnimationSampler::get_animated_from_export_set(std::set<Object *> &animat
    */
 
   animated_objects.clear();
-  std::set<Object *> static_objects;
   std::set<Object *> candidates;
 
   LinkNode *node;

source/blender/io/collada/DocumentImporter.cpp

@@ -452,7 +452,6 @@ Object *DocumentImporter::create_instance_node(Object *source_ob,
 void DocumentImporter::create_constraints(ExtraTags *et, Object *ob)
 {
   if (et && et->isProfile("blender")) {
-    std::string name;
     short type = 0;
     et->setData("type", &type);
     BKE_constraint_add_for_object(ob, "Test_con", type);
@@ -1027,7 +1026,7 @@ bool DocumentImporter::writeLight(const COLLADAFW::Light *light)
     et->setData("area_sizez", &(lamp->area_sizez));
   }
   else {
-    float d = 25.0f;
+    // float d = 25.0f; /* UNUSED. */
     float e = 1.0f;
 
     if (light->getColor().isValid()) {

source/blender/modifiers/intern/MOD_simpledeform.cc

@@ -38,7 +38,6 @@ BLI_ALIGN_STRUCT struct DeformUserData {
   int lock_axis;
   int vgroup;
   int limit_axis;
-  float weight;
   float smd_factor;
   float smd_limit[2];
   float (*vertexCos)[3];