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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2005 Blender Foundation. All rights reserved. */
/** \file
* \ingroup modifiers
*/
#include "BLI_utildefines.h"
#include "BLI_math.h"
#include "BLT_translation.h"
#include "DNA_key_types.h"
#include "DNA_mesh_types.h"
#include "DNA_object_types.h"
#include "BKE_key.h"
#include "BKE_particle.h"
#include "RNA_access.h"
#include "RNA_prototypes.h"
#include "MOD_modifiertypes.h"
#include "UI_resources.h"
static void deformVerts(ModifierData *UNUSED(md),
const ModifierEvalContext *ctx,
Mesh *UNUSED(mesh),
float (*vertexCos)[3],
int verts_num)
{
Key *key = BKE_key_from_object(ctx->object);
if (key && key->block.first) {
int deformedVerts_tot;
BKE_key_evaluate_object_ex(
ctx->object, &deformedVerts_tot, (float *)vertexCos, sizeof(*vertexCos) * verts_num);
}
}
static void deformMatrices(ModifierData *md,
const ModifierEvalContext *ctx,
Mesh *mesh,
float (*vertexCos)[3],
float (*defMats)[3][3],
int verts_num)
{
Key *key = BKE_key_from_object(ctx->object);
KeyBlock *kb = BKE_keyblock_from_object(ctx->object);
float scale[3][3];
(void)vertexCos; /* unused */
if (kb && kb->totelem == verts_num && kb != key->refkey) {
int a;
if (ctx->object->shapeflag & OB_SHAPE_LOCK) {
scale_m3_fl(scale, 1);
}
else {
scale_m3_fl(scale, kb->curval);
}
for (a = 0; a < verts_num; a++) {
copy_m3_m3(defMats[a], scale);
}
}
deformVerts(md, ctx, mesh, vertexCos, verts_num);
}
static void deformVertsEM(ModifierData *md,
const ModifierEvalContext *ctx,
struct BMEditMesh *UNUSED(editData),
Mesh *mesh,
float (*vertexCos)[3],
int verts_num)
{
Key *key = BKE_key_from_object(ctx->object);
if (key && key->type == KEY_RELATIVE) {
deformVerts(md, ctx, mesh, vertexCos, verts_num);
}
}
static void deformMatricesEM(ModifierData *UNUSED(md),
const ModifierEvalContext *ctx,
struct BMEditMesh *UNUSED(editData),
Mesh *UNUSED(mesh),
float (*vertexCos)[3],
float (*defMats)[3][3],
int verts_num)
{
Key *key = BKE_key_from_object(ctx->object);
KeyBlock *kb = BKE_keyblock_from_object(ctx->object);
float scale[3][3];
(void)vertexCos; /* unused */
if (kb && kb->totelem == verts_num && kb != key->refkey) {
int a;
scale_m3_fl(scale, kb->curval);
for (a = 0; a < verts_num; a++) {
copy_m3_m3(defMats[a], scale);
}
}
}
ModifierTypeInfo modifierType_ShapeKey = {
/* name */ N_("ShapeKey"),
/* structName */ "ShapeKeyModifierData",
/* structSize */ sizeof(ShapeKeyModifierData),
/* srna */ &RNA_Modifier,
/* type */ eModifierTypeType_OnlyDeform,
/* flags */ eModifierTypeFlag_AcceptsCVs | eModifierTypeFlag_AcceptsVertexCosOnly |
eModifierTypeFlag_SupportsEditmode,
/* icon */ ICON_DOT,
/* copyData */ NULL,
/* deformVerts */ deformVerts,
/* deformMatrices */ deformMatrices,
/* deformVertsEM */ deformVertsEM,
/* deformMatricesEM */ deformMatricesEM,
/* modifyMesh */ NULL,
/* modifyGeometrySet */ NULL,
/* initData */ NULL,
/* requiredDataMask */ NULL,
/* freeData */ NULL,
/* isDisabled */ NULL,
/* updateDepsgraph */ NULL,
/* dependsOnTime */ NULL,
/* dependsOnNormals */ NULL,
/* foreachIDLink */ NULL,
/* foreachTexLink */ NULL,
/* freeRuntimeData */ NULL,
/* panelRegister */ NULL,
/* blendWrite */ NULL,
/* blendRead */ NULL,
};
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