Cleanup: Rename DerivedMesh.cc and header

After recent commits, the .cc file is only used for actual object data
evaluation in the depsgraph, and the header is only used for the old
DerivedMesh data structure that's still being phased out.

source/blender/blenkernel/BKE_subsurf.hh

@@ -8,7 +8,7 @@
  */
 
 /* struct DerivedMesh is used directly */
-#include "BKE_DerivedMesh.hh"
+#include "BKE_mesh_legacy_derived_mesh.hh"
 
 /* Thread sync primitives used directly. */
 #include "BLI_ordered_edge.hh"

source/blender/blenkernel/CMakeLists.txt

@@ -47,7 +47,6 @@ set(SRC
   intern/CCGSubSurf.cc
   intern/CCGSubSurf_legacy.cc
   intern/CCGSubSurf_util.cc
-  intern/DerivedMesh.cc
   intern/action.cc
   intern/action_bones.cc
   intern/action_mirror.cc
@@ -200,6 +199,7 @@ set(SRC
   intern/mesh_calc_edges.cc
   intern/mesh_compare.cc
   intern/mesh_convert.cc
+  intern/mesh_data_update.cc
   intern/mesh_debug.cc
   intern/mesh_evaluate.cc
   intern/mesh_fair.cc
@@ -321,7 +321,6 @@ set(SRC
   intern/world.cc
   intern/writemovie.cc
 
-  BKE_DerivedMesh.hh
   BKE_action.h
   BKE_action.hh
   BKE_addon.h
@@ -446,6 +445,7 @@ set(SRC
   BKE_mesh_fair.hh
   BKE_mesh_iterators.hh
   BKE_mesh_legacy_convert.hh
+  BKE_mesh_legacy_derived_mesh.hh
   BKE_mesh_mapping.hh
   BKE_mesh_mirror.hh
   BKE_mesh_remap.hh

source/blender/blenkernel/intern/mesh_legacy_derived_mesh.cc

@@ -7,8 +7,8 @@
 #include "DNA_mesh_types.h"
 #include "DNA_meshdata_types.h"
 
-#include "BKE_DerivedMesh.hh"
 #include "BKE_customdata.hh"
+#include "BKE_mesh_legacy_derived_mesh.hh"
 
 struct MeshElemMap;
 struct PBVH;

source/blender/blenkernel/intern/multires.cc

@@ -21,10 +21,10 @@
 #include "BLI_task.h"
 #include "BLI_utildefines.h"
 
-#include "BKE_DerivedMesh.hh"
 #include "BKE_ccg.h"
 #include "BKE_editmesh.hh"
 #include "BKE_mesh.hh"
+#include "BKE_mesh_legacy_derived_mesh.hh"
 #include "BKE_mesh_runtime.hh"
 #include "BKE_modifier.hh"
 #include "BKE_multires.hh"

source/blender/blenkernel/intern/object.cc

@@ -65,7 +65,6 @@
 
 #include "BLT_translation.hh"
 
-#include "BKE_DerivedMesh.hh"
 #include "BKE_action.h"
 #include "BKE_anim_data.hh"
 #include "BKE_anim_path.h"
@@ -111,6 +110,7 @@
 #include "BKE_material.h"
 #include "BKE_mball.hh"
 #include "BKE_mesh.hh"
+#include "BKE_mesh_legacy_derived_mesh.hh"
 #include "BKE_mesh_wrapper.hh"
 #include "BKE_modifier.hh"
 #include "BKE_multires.hh"

source/blender/blenkernel/intern/shrinkwrap.cc

@@ -25,8 +25,8 @@
 #include "BLI_task.h"
 #include "BLI_utildefines.h"
 
-#include "BKE_DerivedMesh.hh"
 #include "BKE_attribute.hh"
+#include "BKE_mesh_legacy_derived_mesh.hh"
 #include "BKE_modifier.hh"
 #include "BKE_shrinkwrap.hh"
 

source/blender/blenkernel/intern/subsurf_ccg.cc

@@ -31,9 +31,9 @@
 #include "BLI_utildefines.h"
 #include "BLI_vector.hh"
 
-#include "BKE_DerivedMesh.hh"
 #include "BKE_ccg.h"
 #include "BKE_customdata.hh"
+#include "BKE_mesh_legacy_derived_mesh.hh"
 #include "BKE_mesh_mapping.hh"
 #include "BKE_multires.hh"
 #include "BKE_scene.hh"

source/blender/editors/object/object_bake.cc

@@ -18,12 +18,12 @@
 
 #include "BLI_utildefines.h"
 
-#include "BKE_DerivedMesh.hh"
 #include "BKE_attribute.hh"
 #include "BKE_context.hh"
 #include "BKE_customdata.hh"
 #include "BKE_global.hh"
 #include "BKE_image.h"
+#include "BKE_mesh_legacy_derived_mesh.hh"
 #include "BKE_modifier.hh"
 #include "BKE_multires.hh"
 #include "BKE_report.hh"

source/blender/modifiers/intern/MOD_cloth.cc

@@ -87,7 +87,7 @@ static void deform_verts(ModifierData *md,
     }
   }
 
-  /* TODO(sergey): For now it actually duplicates logic from DerivedMesh.cc
+  /* TODO(sergey): For now it actually duplicates logic from mesh_data_update.cc
    * and needs some more generic solution. But starting experimenting with
    * this so close to the release is not that nice..
    *

source/blender/render/intern/multires_bake.cc

@@ -18,7 +18,6 @@
 #include "BLI_math_matrix.h"
 #include "BLI_threads.h"
 
-#include "BKE_DerivedMesh.hh"
 #include "BKE_attribute.hh"
 #include "BKE_ccg.h"
 #include "BKE_customdata.hh"
@@ -26,6 +25,7 @@
 #include "BKE_image.h"
 #include "BKE_lib_id.hh"
 #include "BKE_mesh.hh"
+#include "BKE_mesh_legacy_derived_mesh.hh"
 #include "BKE_mesh_tangent.hh"
 #include "BKE_modifier.hh"
 #include "BKE_multires.hh"

source/blender/render/intern/texture_margin.cc

@@ -12,10 +12,10 @@
 #include "BLI_math_vector_types.hh"
 #include "BLI_vector.hh"
 
-#include "BKE_DerivedMesh.hh"
 #include "BKE_attribute.hh"
 #include "BKE_customdata.hh"
 #include "BKE_mesh.hh"
+#include "BKE_mesh_legacy_derived_mesh.hh"
 #include "BKE_mesh_mapping.hh"
 
 #include "IMB_imbuf.hh"