Corrective Smooth Modifier (aka delta-mush)

This modifier can be used to correct bad deformations,

Original patch D1183 by @sazerac, with own modifications

2 files changed, 21 insertions, 0 deletions

diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index b8c3bffae0f..b0aa47787b6 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -4949,6 +4949,20 @@ static void direct_link_modifiers(FileData *fd, ListBase *lb)
 			}
 			lmd->cache_system = NULL;
 		}
+		else if (md->type == eModifierType_CorrectiveSmooth) {
+			CorrectiveSmoothModifierData *csmd = (CorrectiveSmoothModifierData*)md;
+
+			if (csmd->bind_coords) {
+				csmd->bind_coords = newdataadr(fd, csmd->bind_coords);
+				if (fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
+					BLI_endian_switch_float_array((float *)csmd->bind_coords, csmd->bind_coords_num * 3);
+				}
+			}
+
+			/* runtime only */
+			csmd->delta_cache = NULL;
+			csmd->delta_cache_num = 0;
+		}
 	}
 }
 
diff --git a/source/blender/blenloader/intern/writefile.c b/source/blender/blenloader/intern/writefile.c
index bc1bc9c7759..afc53f343f1 100644
--- a/source/blender/blenloader/intern/writefile.c
+++ b/source/blender/blenloader/intern/writefile.c
@@ -1620,6 +1620,13 @@ static void write_modifiers(WriteData *wd, ListBase *modbase)
 
 			writedata(wd, DATA, sizeof(float)*lmd->total_verts * 3, lmd->vertexco);
 		}
+		else if (md->type == eModifierType_CorrectiveSmooth) {
+			CorrectiveSmoothModifierData *csmd = (CorrectiveSmoothModifierData *)md;
+
+			if (csmd->bind_coords) {
+				writedata(wd, DATA, sizeof(float[3]) * csmd->bind_coords_num, csmd->bind_coords);
+			}
+		}
 	}
 }