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test/source/blender/modifiers/intern/MOD_util.cc
YimingWu 3d1cdfe2ca GPv3: Line Art Modifier 
This is a migration of the current Line Art modifier to GPv3.

Note:
- The modifier is using the exact same DNA structure as the old one, it's re-defined in a different name. At the moment all the variable names and placement after the `ModifierData` part should stay exactly the same until we do proper versioning of the modifier data and completely remove the GPv2 support.
- Vertex weight transfer feature no longer supports name initial matching ("group" used to match "group1","group2" etc). Now it will only transfer vertex weight from source vertex groups that has the exact same name as specified.

Pull Request: https://projects.blender.org/blender/blender/pulls/117028
2024-02-26 15:28:15 +01:00

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/* SPDX-FileCopyrightText: 2005 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup modifiers
*/
#include <cstring>
#include "BLI_utildefines.h"
#include "BLI_bitmap.h"
#include "BLI_math_matrix.h"
#include "BLI_math_vector.h"
#include "DNA_image_types.h"
#include "DNA_mesh_types.h"
#include "DNA_modifier_types.h"
#include "DNA_object_types.h"
#include "BKE_action.h" /* BKE_pose_channel_find_name */
#include "BKE_attribute.hh"
#include "BKE_deform.hh"
#include "BKE_editmesh.hh"
#include "BKE_image.h"
#include "BKE_lattice.hh"
#include "BKE_modifier.hh"
#include "DEG_depsgraph.hh"
#include "DEG_depsgraph_query.hh"
#include "MOD_modifiertypes.hh"
#include "MOD_util.hh"
#include "MEM_guardedalloc.h"
void MOD_init_texture(MappingInfoModifierData *dmd, const ModifierEvalContext *ctx)
{
Tex *tex = dmd->texture;
if (tex == nullptr) {
return;
}
if (tex->ima && BKE_image_is_animated(tex->ima)) {
BKE_image_user_frame_calc(tex->ima, &tex->iuser, DEG_get_ctime(ctx->depsgraph));
}
}
void MOD_get_texture_coords(MappingInfoModifierData *dmd,
const ModifierEvalContext * /*ctx*/,
Object *ob,
Mesh *mesh,
float (*cos)[3],
float (*r_texco)[3])
{
/* TODO: to be renamed to `get_texture_coords` once we are done with moving modifiers to Mesh. */
using namespace blender;
const int verts_num = mesh->verts_num;
int i;
int texmapping = dmd->texmapping;
float mapref_imat[4][4];
if (texmapping == MOD_DISP_MAP_OBJECT) {
if (dmd->map_object != nullptr) {
Object *map_object = dmd->map_object;
if (dmd->map_bone[0] != '\0') {
bPoseChannel *pchan = BKE_pose_channel_find_name(map_object->pose, dmd->map_bone);
if (pchan) {
float mat_bone_world[4][4];
mul_m4_m4m4(mat_bone_world, map_object->object_to_world().ptr(), pchan->pose_mat);
invert_m4_m4(mapref_imat, mat_bone_world);
}
else {
invert_m4_m4(mapref_imat, map_object->object_to_world().ptr());
}
}
else {
invert_m4_m4(mapref_imat, map_object->object_to_world().ptr());
}
}
else { /* if there is no map object, default to local */
texmapping = MOD_DISP_MAP_LOCAL;
}
}
/* UVs need special handling, since they come from faces */
if (texmapping == MOD_DISP_MAP_UV) {
if (CustomData_has_layer(&mesh->corner_data, CD_PROP_FLOAT2)) {
const OffsetIndices faces = mesh->faces();
const Span<int> corner_verts = mesh->corner_verts();
BLI_bitmap *done = BLI_BITMAP_NEW(verts_num, __func__);
char uvname[MAX_CUSTOMDATA_LAYER_NAME];
CustomData_validate_layer_name(
&mesh->corner_data, CD_PROP_FLOAT2, dmd->uvlayer_name, uvname);
const bke::AttributeAccessor attributes = mesh->attributes();
const VArraySpan uv_map = *attributes.lookup_or_default<float2>(
uvname, bke::AttrDomain::Corner, float2(0));
/* verts are given the UV from the first face that uses them */
for (const int i : faces.index_range()) {
const IndexRange face = faces[i];
for (const int corner : face) {
const int vert = corner_verts[corner];
if (!BLI_BITMAP_TEST(done, vert)) {
/* remap UVs from [0, 1] to [-1, 1] */
r_texco[vert][0] = (uv_map[corner][0] * 2.0f) - 1.0f;
r_texco[vert][1] = (uv_map[corner][1] * 2.0f) - 1.0f;
BLI_BITMAP_ENABLE(done, vert);
}
}
}
MEM_freeN(done);
return;
}
/* if there are no UVs, default to local */
texmapping = MOD_DISP_MAP_LOCAL;
}
const Span<float3> positions = mesh->vert_positions();
for (i = 0; i < verts_num; i++, r_texco++) {
switch (texmapping) {
case MOD_DISP_MAP_LOCAL:
copy_v3_v3(*r_texco, cos != nullptr ? *cos : positions[i]);
break;
case MOD_DISP_MAP_GLOBAL:
mul_v3_m4v3(*r_texco, ob->object_to_world().ptr(), cos != nullptr ? *cos : positions[i]);
break;
case MOD_DISP_MAP_OBJECT:
mul_v3_m4v3(*r_texco, ob->object_to_world().ptr(), cos != nullptr ? *cos : positions[i]);
mul_m4_v3(mapref_imat, *r_texco);
break;
}
if (cos != nullptr) {
cos++;
}
}
}
void MOD_previous_vcos_store(ModifierData *md, const float (*vert_coords)[3])
{
while ((md = md->next) && md->type == eModifierType_Armature) {
ArmatureModifierData *amd = (ArmatureModifierData *)md;
if (amd->multi && amd->vert_coords_prev == nullptr) {
amd->vert_coords_prev = static_cast<float(*)[3]>(MEM_dupallocN(vert_coords));
}
else {
break;
}
}
/* lattice/mesh modifier too */
}
void MOD_get_vgroup(const Object *ob,
const Mesh *mesh,
const char *name,
const MDeformVert **dvert,
int *defgrp_index)
{
if (mesh) {
*defgrp_index = BKE_id_defgroup_name_index(&mesh->id, name);
if (*defgrp_index != -1) {
*dvert = mesh->deform_verts().data();
}
else {
*dvert = nullptr;
}
}
else if (OB_TYPE_SUPPORT_VGROUP(ob->type)) {
*defgrp_index = BKE_object_defgroup_name_index(ob, name);
if (*defgrp_index != -1 && ob->type == OB_LATTICE) {
*dvert = BKE_lattice_deform_verts_get(ob);
}
else {
*dvert = nullptr;
}
}
else {
*defgrp_index = -1;
*dvert = nullptr;
}
}
void MOD_depsgraph_update_object_bone_relation(DepsNodeHandle *node,
Object *object,
const char *bonename,
const char *description)
{
if (object == nullptr) {
return;
}
if (bonename[0] != '\0' && object->type == OB_ARMATURE) {
DEG_add_object_relation(node, object, DEG_OB_COMP_EVAL_POSE, description);
}
else {
DEG_add_object_relation(node, object, DEG_OB_COMP_TRANSFORM, description);
}
}
void modifier_type_init(ModifierTypeInfo *types[])
{
#define INIT_TYPE(typeName) (types[eModifierType_##typeName] = &modifierType_##typeName)
INIT_TYPE(None);
INIT_TYPE(Curve);
INIT_TYPE(Lattice);
INIT_TYPE(Subsurf);
INIT_TYPE(Build);
INIT_TYPE(Array);
INIT_TYPE(Mirror);
INIT_TYPE(EdgeSplit);
INIT_TYPE(Bevel);
INIT_TYPE(Displace);
INIT_TYPE(UVProject);
INIT_TYPE(Decimate);
INIT_TYPE(Smooth);
INIT_TYPE(Cast);
INIT_TYPE(Wave);
INIT_TYPE(Armature);
INIT_TYPE(Hook);
INIT_TYPE(Softbody);
INIT_TYPE(Cloth);
INIT_TYPE(Collision);
INIT_TYPE(Boolean);
INIT_TYPE(MeshDeform);
INIT_TYPE(Ocean);
INIT_TYPE(ParticleSystem);
INIT_TYPE(ParticleInstance);
INIT_TYPE(Explode);
INIT_TYPE(Shrinkwrap);
INIT_TYPE(Mask);
INIT_TYPE(SimpleDeform);
INIT_TYPE(Multires);
INIT_TYPE(Surface);
INIT_TYPE(Fluid);
INIT_TYPE(ShapeKey);
INIT_TYPE(Solidify);
INIT_TYPE(Screw);
INIT_TYPE(Warp);
INIT_TYPE(WeightVGEdit);
INIT_TYPE(WeightVGMix);
INIT_TYPE(WeightVGProximity);
INIT_TYPE(DynamicPaint);
INIT_TYPE(Remesh);
INIT_TYPE(Skin);
INIT_TYPE(LaplacianSmooth);
INIT_TYPE(Triangulate);
INIT_TYPE(UVWarp);
INIT_TYPE(MeshCache);
INIT_TYPE(LaplacianDeform);
INIT_TYPE(Wireframe);
INIT_TYPE(Weld);
INIT_TYPE(DataTransfer);
INIT_TYPE(NormalEdit);
INIT_TYPE(CorrectiveSmooth);
INIT_TYPE(MeshSequenceCache);
INIT_TYPE(SurfaceDeform);
INIT_TYPE(WeightedNormal);
INIT_TYPE(MeshToVolume);
INIT_TYPE(VolumeDisplace);
INIT_TYPE(VolumeToMesh);
INIT_TYPE(Nodes);
INIT_TYPE(GreasePencilOpacity);
INIT_TYPE(GreasePencilSubdiv);
INIT_TYPE(GreasePencilColor);
INIT_TYPE(GreasePencilTint);
INIT_TYPE(GreasePencilSmooth);
INIT_TYPE(GreasePencilOffset);
INIT_TYPE(GreasePencilNoise);
INIT_TYPE(GreasePencilMirror);
INIT_TYPE(GreasePencilThickness);
INIT_TYPE(GreasePencilLattice);
INIT_TYPE(GreasePencilDash);
INIT_TYPE(GreasePencilMultiply);
INIT_TYPE(GreasePencilLength);
INIT_TYPE(GreasePencilWeightAngle);
INIT_TYPE(GreasePencilArray);
INIT_TYPE(GreasePencilWeightProximity);
INIT_TYPE(GreasePencilHook);
INIT_TYPE(GreasePencilLineart);
#undef INIT_TYPE
}
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