149 lines
4.0 KiB
C++
149 lines
4.0 KiB
C++
/* SPDX-FileCopyrightText: 2005 Blender Foundation
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup modifiers
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*/
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#include "BLI_utildefines.h"
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#include "BLI_math.h"
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#include "BLT_translation.h"
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#include "DNA_key_types.h"
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#include "DNA_mesh_types.h"
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#include "DNA_object_types.h"
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#include "BKE_key.h"
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#include "BKE_particle.h"
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#include "RNA_access.h"
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#include "RNA_prototypes.h"
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#include "MOD_modifiertypes.hh"
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#include "UI_resources.h"
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static void deform_verts(ModifierData * /*md*/,
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const ModifierEvalContext *ctx,
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Mesh * /*mesh*/,
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float (*vertexCos)[3],
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int verts_num)
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{
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Key *key = BKE_key_from_object(ctx->object);
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if (key && key->block.first) {
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int deformedVerts_tot;
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BKE_key_evaluate_object_ex(ctx->object,
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&deformedVerts_tot,
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(float *)vertexCos,
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sizeof(*vertexCos) * verts_num,
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nullptr);
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}
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}
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static void deform_matrices(ModifierData *md,
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const ModifierEvalContext *ctx,
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Mesh *mesh,
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float (*vertexCos)[3],
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float (*defMats)[3][3],
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int verts_num)
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{
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Key *key = BKE_key_from_object(ctx->object);
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KeyBlock *kb = BKE_keyblock_from_object(ctx->object);
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(void)vertexCos; /* unused */
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if (kb && kb->totelem == verts_num && kb != key->refkey) {
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float scale[3][3];
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int a;
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if (ctx->object->shapeflag & OB_SHAPE_LOCK) {
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scale_m3_fl(scale, 1);
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}
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else {
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scale_m3_fl(scale, kb->curval);
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}
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for (a = 0; a < verts_num; a++) {
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copy_m3_m3(defMats[a], scale);
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}
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}
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deform_verts(md, ctx, mesh, vertexCos, verts_num);
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}
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static void deform_verts_EM(ModifierData *md,
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const ModifierEvalContext *ctx,
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BMEditMesh * /*em*/,
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Mesh *mesh,
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float (*vertexCos)[3],
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int verts_num)
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{
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Key *key = BKE_key_from_object(ctx->object);
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if (key && key->type == KEY_RELATIVE) {
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deform_verts(md, ctx, mesh, vertexCos, verts_num);
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}
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}
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static void deform_matrices_EM(ModifierData * /*md*/,
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const ModifierEvalContext *ctx,
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BMEditMesh * /*em*/,
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Mesh * /*mesh*/,
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float (*vertexCos)[3],
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float (*defMats)[3][3],
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int verts_num)
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{
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Key *key = BKE_key_from_object(ctx->object);
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KeyBlock *kb = BKE_keyblock_from_object(ctx->object);
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(void)vertexCos; /* unused */
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if (kb && kb->totelem == verts_num && kb != key->refkey) {
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float scale[3][3];
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scale_m3_fl(scale, kb->curval);
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for (int a = 0; a < verts_num; a++) {
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copy_m3_m3(defMats[a], scale);
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}
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}
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}
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ModifierTypeInfo modifierType_ShapeKey = {
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/*idname*/ "ShapeKey",
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/*name*/ N_("ShapeKey"),
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/*struct_name*/ "ShapeKeyModifierData",
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/*struct_size*/ sizeof(ShapeKeyModifierData),
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/*srna*/ &RNA_Modifier,
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/*type*/ eModifierTypeType_OnlyDeform,
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/*flags*/ eModifierTypeFlag_AcceptsCVs | eModifierTypeFlag_AcceptsVertexCosOnly |
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eModifierTypeFlag_SupportsEditmode,
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/*icon*/ ICON_DOT,
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/*copy_data*/ nullptr,
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/*deform_verts*/ deform_verts,
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/*deform_matrices*/ deform_matrices,
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/*deform_verts_EM*/ deform_verts_EM,
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/*deform_matrices_EM*/ deform_matrices_EM,
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/*modify_mesh*/ nullptr,
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/*modify_geometry_set*/ nullptr,
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/*init_data*/ nullptr,
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/*required_data_mask*/ nullptr,
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/*free_data*/ nullptr,
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/*is_disabled*/ nullptr,
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/*update_depsgraph*/ nullptr,
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/*depends_on_time*/ nullptr,
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/*depends_on_normals*/ nullptr,
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/*foreach_ID_link*/ nullptr,
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/*foreach_tex_link*/ nullptr,
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/*free_runtime_data*/ nullptr,
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/*panel_register*/ nullptr,
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/*blend_write*/ nullptr,
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/*blend_read*/ nullptr,
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};
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