From adcb7a2ce7c3ec79f2b30cc1cef02aa1ea9e7690 Mon Sep 17 00:00:00 2001
From: Jacques Lucke <jacques@blender.org>
Date: Tue, 23 Jun 2020 16:51:43 +0200
Subject: Refactor: move blenloader code of surface deform modifier

---
 .../blender/modifiers/intern/MOD_surfacedeform.c   | 64 +++++++++++++++++++++-
 1 file changed, 62 insertions(+), 2 deletions(-)

(limited to 'source/blender/modifiers/intern/MOD_surfacedeform.c')

diff --git a/source/blender/modifiers/intern/MOD_surfacedeform.c b/source/blender/modifiers/intern/MOD_surfacedeform.c
index e1bc6305b0a..fc41afb6613 100644
--- a/source/blender/modifiers/intern/MOD_surfacedeform.c
+++ b/source/blender/modifiers/intern/MOD_surfacedeform.c
@@ -47,6 +47,8 @@
 #include "UI_interface.h"
 #include "UI_resources.h"
 
+#include "BLO_read_write.h"
+
 #include "RNA_access.h"
 
 #include "DEG_depsgraph.h"
@@ -1438,6 +1440,64 @@ static void panelRegister(ARegionType *region_type)
   modifier_panel_register(region_type, eModifierType_SurfaceDeform, panel_draw);
 }
 
+static void blendWrite(BlendWriter *writer, const ModifierData *md)
+{
+  const SurfaceDeformModifierData *smd = (const SurfaceDeformModifierData *)md;
+
+  BLO_write_struct_array(writer, SDefVert, smd->numverts, smd->verts);
+
+  if (smd->verts) {
+    for (int i = 0; i < smd->numverts; i++) {
+      BLO_write_struct_array(writer, SDefBind, smd->verts[i].numbinds, smd->verts[i].binds);
+
+      if (smd->verts[i].binds) {
+        for (int j = 0; j < smd->verts[i].numbinds; j++) {
+          BLO_write_uint32_array(
+              writer, smd->verts[i].binds[j].numverts, smd->verts[i].binds[j].vert_inds);
+
+          if (smd->verts[i].binds[j].mode == MOD_SDEF_MODE_CENTROID ||
+              smd->verts[i].binds[j].mode == MOD_SDEF_MODE_LOOPTRI) {
+            BLO_write_float3_array(writer, 1, smd->verts[i].binds[j].vert_weights);
+          }
+          else {
+            BLO_write_float_array(
+                writer, smd->verts[i].binds[j].numverts, smd->verts[i].binds[j].vert_weights);
+          }
+        }
+      }
+    }
+  }
+}
+
+static void blendRead(BlendDataReader *reader, ModifierData *md)
+{
+  SurfaceDeformModifierData *smd = (SurfaceDeformModifierData *)md;
+
+  BLO_read_data_address(reader, &smd->verts);
+
+  if (smd->verts) {
+    for (int i = 0; i < smd->numverts; i++) {
+      BLO_read_data_address(reader, &smd->verts[i].binds);
+
+      if (smd->verts[i].binds) {
+        for (int j = 0; j < smd->verts[i].numbinds; j++) {
+          BLO_read_uint32_array(
+              reader, smd->verts[i].binds[j].numverts, &smd->verts[i].binds[j].vert_inds);
+
+          if (smd->verts[i].binds[j].mode == MOD_SDEF_MODE_CENTROID ||
+              smd->verts[i].binds[j].mode == MOD_SDEF_MODE_LOOPTRI) {
+            BLO_read_float3_array(reader, 1, &smd->verts[i].binds[j].vert_weights);
+          }
+          else {
+            BLO_read_float_array(
+                reader, smd->verts[i].binds[j].numverts, &smd->verts[i].binds[j].vert_weights);
+          }
+        }
+      }
+    }
+  }
+}
+
 ModifierTypeInfo modifierType_SurfaceDeform = {
     /* name */ "SurfaceDeform",
     /* structName */ "SurfaceDeformModifierData",
@@ -1468,6 +1528,6 @@ ModifierTypeInfo modifierType_SurfaceDeform = {
     /* foreachTexLink */ NULL,
     /* freeRuntimeData */ NULL,
     /* panelRegister */ panelRegister,
-    /* blendWrite */ NULL,
-    /* blendRead */ NULL,
+    /* blendWrite */ blendWrite,
+    /* blendRead */ blendRead,
 };
-- 
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