Commit: 12523d9192a93e4f2a11164998b77416ff0ed1bd
Author: Bastien Montagne
Date: Mon Jun 6 21:41:17 2016 +0200
Branches: compositor-2016
https://developer.blender.org/rB12523d9192a93e4f2a11164998b77416ff0ed1bd
EditNormal modifier: add some 'maximum angle' limit.
Allows to avoid generating flipped faces when using extreme normal
modifications.
Related to T48576.
===================================================================
M release/scripts/startup/bl_ui/properties_data_modifier.py
M source/blender/blenloader/intern/versioning_270.c
M source/blender/makesdna/DNA_modifier_types.h
M source/blender/makesrna/intern/rna_modifier.c
M source/blender/modifiers/intern/MOD_normal_edit.c
===================================================================
diff --git a/release/scripts/startup/bl_ui/properties_data_modifier.py
b/release/scripts/startup/bl_ui/properties_data_modifier.py
index aa03863..7863c07 100644
--- a/release/scripts/startup/bl_ui/properties_data_modifier.py
+++ b/release/scripts/startup/bl_ui/properties_data_modifier.py
@@ -1418,6 +1418,7 @@ class DATA_PT_modifiers(ModifierButtonsPanel, Panel):
sub = row.row(align=True)
sub.active = has_vgroup
sub.prop(md, "invert_vertex_group", text="", icon='ARROW_LEFTRIGHT')
+ subcol.prop(md, "mix_limit")
def CORRECTIVE_SMOOTH(self, layout, ob, md):
is_bind = md.is_bind
diff --git a/source/blender/blenloader/intern/versioning_270.c
b/source/blender/blenloader/intern/versioning_270.c
index 0ea4078..b7b6ace 100644
--- a/source/blender/blenloader/intern/versioning_270.c
+++ b/source/blender/blenloader/intern/versioning_270.c
@@ -1189,9 +1189,7 @@ void blo_do_versions_270(FileData *fd, Library
*UNUSED(lib), Main *main)
}
}
}
- }
- {
for (Camera *camera = main->camera.first; camera != NULL;
camera = camera->id.next) {
if (camera->stereo.pole_merge_angle_from == 0.0f &&
camera->stereo.pole_merge_angle_to == 0.0f)
@@ -1200,5 +1198,19 @@ void blo_do_versions_270(FileData *fd, Library
*UNUSED(lib), Main *main)
camera->stereo.pole_merge_angle_to =
DEG2RAD(75.0f);
}
}
+
+ if (!DNA_struct_elem_find(fd->filesdna,
"NormalEditModifierData", "float", "mix_limit")) {
+ Object *ob;
+
+ for (ob = main->object.first; ob; ob = ob->id.next) {
+ ModifierData *md;
+ for (md = ob->modifiers.first; md; md =
md->next) {
+ if (md->type ==
eModifierType_NormalEdit) {
+ NormalEditModifierData *nemd =
(NormalEditModifierData *)md;
+ nemd->mix_limit =
DEG2RADF(180.0f);
+ }
+ }
+ }
+ }
}
}
diff --git a/source/blender/makesdna/DNA_modifier_types.h
b/source/blender/makesdna/DNA_modifier_types.h
index 457db70..a58e995 100644
--- a/source/blender/makesdna/DNA_modifier_types.h
+++ b/source/blender/makesdna/DNA_modifier_types.h
@@ -1518,7 +1518,9 @@ typedef struct NormalEditModifierData {
short mix_mode;
char pad[2];
float mix_factor;
+ float mix_limit;
float offset[3];
+ float pad_f1;
} NormalEditModifierData;
/* NormalEditModifierData.mode */
diff --git a/source/blender/makesrna/intern/rna_modifier.c
b/source/blender/makesrna/intern/rna_modifier.c
index 0c4b3ba..5a2113f 100644
--- a/source/blender/makesrna/intern/rna_modifier.c
+++ b/source/blender/makesrna/intern/rna_modifier.c
@@ -4602,6 +4602,11 @@ static void rna_def_modifier_normaledit(BlenderRNA *brna)
"How much of generated normals to mix with exiting
ones", 0.0f, 1.0f);
RNA_def_property_update(prop, 0, "rna_Modifier_update");
+ prop = RNA_def_float(srna, "mix_limit", 1.0f, 0.0f, DEG2RADF(180.0f),
"Max Angle",
+ "Maximum angle between old and new normals", 0.0f,
DEG2RADF(180.0f));
+ RNA_def_property_subtype(prop, PROP_ANGLE);
+ RNA_def_property_update(prop, 0, "rna_Modifier_update");
+
prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
RNA_def_property_string_sdna(prop, NULL, "defgrp_name");
RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name for
selecting/weighting the affected areas");
diff --git a/source/blender/modifiers/intern/MOD_normal_edit.c
b/source/blender/modifiers/intern/MOD_normal_edit.c
index 355dd6d..d386653 100644
--- a/source/blender/modifiers/intern/MOD_normal_edit.c
+++ b/source/blender/modifiers/intern/MOD_normal_edit.c
@@ -110,7 +110,7 @@ static void generate_vert_coordinates(
/* Note this modifies nos_new in-place. */
static void mix_normals(
const float mix_factor, MDeformVert *dvert, const int defgrp_index,
const bool use_invert_vgroup,
- const short mix_mode,
+ const float mix_limit, const short mix_mode,
const int num_verts, MLoop *mloop, float (*nos_old)[3], float
(*nos_new)[3], const int num_loops)
{
/* Mix with org normals... */
@@ -143,7 +143,9 @@ static void mix_normals(
case MOD_NORMALEDIT_MIX_COPY:
break;
}
- interp_v3_v3v3_slerp_safe(*no_new, *no_old, *no_new, fac);
+
+ interp_v3_v3v3_slerp_safe(*no_new, *no_old, *no_new,
+ (mix_limit < M_PI) ? min_ff(fac,
mix_limit / angle_v3v3(*no_new, *no_old)) : fac);
}
MEM_SAFE_FREE(facs);
@@ -186,7 +188,7 @@ static bool polygons_check_flip(
static void normalEditModifier_do_radial(
NormalEditModifierData *smd, Object *ob, DerivedMesh *dm,
short (*clnors)[2], float (*loopnors)[3], float (*polynors)[3],
- const short mix_mode, const float mix_factor,
+ const short mix_mode, const float mix_factor, const float mix_limit,
MDeformVert *dvert, const int defgrp_index, const bool
use_invert_vgroup,
MVert *mvert, const int num_verts, MEdge *medge, const int num_edges,
MLoop *mloop, const int num_loops, MPoly *mpoly, const int num_polys)
@@ -265,7 +267,7 @@ static void normalEditModifier_do_radial(
if (loopnors) {
mix_normals(mix_factor, dvert, defgrp_index, use_invert_vgroup,
- mix_mode, num_verts, mloop, loopnors, nos,
num_loops);
+ mix_limit, mix_mode, num_verts, mloop, loopnors,
nos, num_loops);
}
if (polygons_check_flip(mloop, nos, dm->getLoopDataLayout(dm), mpoly,
polynors, num_polys)) {
@@ -283,7 +285,7 @@ static void normalEditModifier_do_radial(
static void normalEditModifier_do_directional(
NormalEditModifierData *smd, Object *ob, DerivedMesh *dm,
short (*clnors)[2], float (*loopnors)[3], float (*polynors)[3],
- const short mix_mode, const float mix_factor,
+ const short mix_mode, const float mix_factor, const float mix_limit,
MDeformVert *dvert, const int defgrp_index, const bool
use_invert_vgroup,
MVert *mvert, const int num_verts, MEdge *medge, const int num_edges,
MLoop *mloop, const int num_loops, MPoly *mpoly, const int num_polys)
@@ -342,7 +344,7 @@ static void normalEditModifier_do_directional(
if (loopnors) {
mix_normals(mix_factor, dvert, defgrp_index, use_invert_vgroup,
- mix_mode, num_verts, mloop, loopnors, nos,
num_loops);
+ mix_limit, mix_mode, num_verts, mloop, loopnors,
nos, num_loops);
}
if (polygons_check_flip(mloop, nos, dm->getLoopDataLayout(dm), mpoly,
polynors, num_polys)) {
@@ -384,7 +386,8 @@ static DerivedMesh
*normalEditModifier_do(NormalEditModifierData *smd, Object *o
const bool use_invert_vgroup = ((smd->flag &
MOD_NORMALEDIT_INVERT_VGROUP) != 0);
const bool use_current_clnors = !((smd->mix_mode ==
MOD_NORMALEDIT_MIX_COPY) &&
(smd->mix_factor == 1.0f) &&
- (smd->defgrp_name[0] == '\0'));
+ (smd->defgrp_name[0] == '\0') &&
+ (smd->mix_limit == M_PI));
int defgrp_index;
MDeformVert *dvert;
@@ -439,13 +442,13 @@ static DerivedMesh
*normalEditModifier_do(NormalEditModifierData *smd, Object *o
if (smd->mode == MOD_NORMALEDIT_MODE_RADIAL) {
normalEditModifier_do_radial(
smd, ob, dm, clnors, loopnors, polynors,
- smd->mix_mode, smd->mix_factor, dvert,
defgrp_index, use_invert_vgroup,
+ smd->mix_mode, smd->mix_factor, smd->mix_limit,
dvert, defgrp_index, use_invert_vgroup,
mvert, num_verts, medge, num_edges, mloop,
num_loops, mpoly, num_polys);
}
else if (smd->mode == MOD_NORMALEDIT_MODE_DIRECTIONAL) {
normalEditModifier_do_directional(
smd, ob, dm, clnors, loopnors, polynors,
- smd->mix_mode, smd->mix_factor, dvert,
defgrp_index, use_invert_vgroup,
+ smd->mix_mode, smd->mix_factor, smd->mix_limit,
dvert, defgrp_index, use_invert_vgroup,
mvert, num_verts, medge, num_edges, mloop,
num_loops, mpoly, num_polys);
}
@@ -464,6 +467,7 @@ static void initData(ModifierData *md)
smd->mix_mode = MOD_NORMALEDIT_MIX_COPY;
smd->mix_factor = 1.0f;
+ smd->mix_limit = M_PI;
}
static void copyData(ModifierData *md, ModifierData *target)
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