1 files changed, 19 insertions, 15 deletions

diff --git a/source/blender/makesrna/intern/rna_particle.c b/source/blender/makesrna/intern/rna_particle.c
index 3fc98d769b6..40e7f6e65c2 100644
--- a/source/blender/makesrna/intern/rna_particle.c
+++ b/source/blender/makesrna/intern/rna_particle.c
@@ -212,10 +212,10 @@ static void rna_ParticleHairKey_location_object_get(PointerRNA *ptr, float *valu
 
   if (pa) {
     Mesh *hair_mesh = (psmd->psys->flag & PSYS_HAIR_DYNAMICS) ? psmd->psys->hair_out_mesh : NULL;
-
+    const MVert *verts = BKE_mesh_verts(hair_mesh);
     if (hair_mesh) {
-      MVert *mvert = &hair_mesh->mvert[pa->hair_index + (hkey - pa->hair)];
-      copy_v3_v3(values, mvert->co);
+      const MVert *mv = &verts[pa->hair_index + (hkey - pa->hair)];
+      copy_v3_v3(values, mv->co);
     }
     else {
       float hairmat[4][4];
@@ -279,9 +279,9 @@ static void hair_key_location_object_set(HairKey *hair_key,
     if (hair_key_index == -1) {
       return;
     }
-
-    MVert *mvert = &hair_mesh->mvert[particle->hair_index + (hair_key_index)];
-    copy_v3_v3(mvert->co, src_co);
+    MVert *verts = BKE_mesh_verts_for_write(hair_mesh);
+    MVert *mv = &verts[particle->hair_index + (hair_key_index)];
+    copy_v3_v3(mv->co, src_co);
     return;
   }
 
@@ -324,8 +324,9 @@ static void rna_ParticleHairKey_co_object(HairKey *hairkey,
                                                                   NULL;
   if (particle) {
     if (hair_mesh) {
-      MVert *mvert = &hair_mesh->mvert[particle->hair_index + (hairkey - particle->hair)];
-      copy_v3_v3(n_co, mvert->co);
+      const MVert *verts = BKE_mesh_verts(hair_mesh);
+      const MVert *mv = &verts[particle->hair_index + (hairkey - particle->hair)];
+      copy_v3_v3(n_co, mv->co);
     }
     else {
       float hairmat[4][4];
@@ -402,8 +403,8 @@ static void rna_Particle_uv_on_emitter(ParticleData *particle,
     MFace *mface;
     MTFace *mtface;
 
-    mface = modifier->mesh_final->mface;
-    mtface = modifier->mesh_final->mtface;
+    mface = CustomData_get_layer(&modifier->mesh_final->fdata, CD_MFACE);
+    mtface = CustomData_get_layer(&modifier->mesh_final->fdata, CD_MTFACE);
 
     if (mface && mtface) {
       mtface += num;
@@ -567,7 +568,7 @@ static int rna_ParticleSystem_tessfaceidx_on_emitter(ParticleSystem *particlesys
     }
     else if (part->from == PART_FROM_VERT) {
       if (num != DMCACHE_NOTFOUND && num < totvert) {
-        MFace *mface = modifier->mesh_final->mface;
+        MFace *mface = CustomData_get_layer(&modifier->mesh_final->fdata, CD_MFACE);
 
         *r_fuv = &particle->fuv;
 
@@ -610,7 +611,7 @@ static int rna_ParticleSystem_tessfaceidx_on_emitter(ParticleSystem *particlesys
       }
       else if (part->from == PART_FROM_VERT) {
         if (num != DMCACHE_NOTFOUND && num < totvert) {
-          MFace *mface = modifier->mesh_final->mface;
+          MFace *mface = CustomData_get_layer(&modifier->mesh_final->fdata, CD_MFACE);
 
           *r_fuv = &parent->fuv;
 
@@ -660,7 +661,8 @@ static void rna_ParticleSystem_uv_on_emitter(ParticleSystem *particlesystem,
       zero_v2(r_uv);
     }
     else {
-      MFace *mface = &modifier->mesh_final->mface[num];
+      MFace *mfaces = CustomData_get_layer(&modifier->mesh_final->fdata, CD_MFACE);
+      MFace *mface = &mfaces[num];
       const MTFace *mtface = (const MTFace *)CustomData_get_layer_n(
           &modifier->mesh_final->fdata, CD_MTFACE, uv_no);
 
@@ -694,7 +696,8 @@ static void rna_ParticleSystem_mcol_on_emitter(ParticleSystem *particlesystem,
       zero_v3(r_mcol);
     }
     else {
-      MFace *mface = &modifier->mesh_final->mface[num];
+      MFace *mfaces = CustomData_get_layer(&modifier->mesh_final->fdata, CD_MFACE);
+      MFace *mface = &mfaces[num];
       const MCol *mc = (const MCol *)CustomData_get_layer_n(
           &modifier->mesh_final->fdata, CD_MCOL, vcol_no);
       MCol mcol;
@@ -1044,7 +1047,7 @@ static float rna_PartSetting_linelenhead_get(struct PointerRNA *ptr)
   return settings->draw_line[1];
 }
 
-static int rna_PartSettings_is_fluid_get(PointerRNA *ptr)
+static bool rna_PartSettings_is_fluid_get(PointerRNA *ptr)
 {
   ParticleSettings *part = ptr->data;
   return (ELEM(part->type,
@@ -2686,6 +2689,7 @@ static void rna_def_particle_settings(BlenderRNA *brna)
   prop = RNA_def_property(srna, "use_parent_particles", PROP_BOOLEAN, PROP_NONE);
   RNA_def_property_boolean_sdna(prop, NULL, "draw", PART_DRAW_PARENT);
   RNA_def_property_ui_text(prop, "Parents", "Render parent particles");
+  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_PARTICLESETTINGS);
   RNA_def_property_update(prop, 0, "rna_Particle_redo");
 
   prop = RNA_def_property(srna, "show_number", PROP_BOOLEAN, PROP_NONE);