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blender-archive/source/blender/modifiers/intern/MOD_armature.c
Falk David 53bb713eda Refactor: Rename OB_GPENCIL and ID_GD
This renames the `OB_GPENCIL` object type and the `ID_GD` to `OB_GPENCIL_LEGACY` and `ID_GD_LEGACY` respectively.
There is no change for the user.

Pull Request: blender/blender#105541
2023-03-08 12:35:58 +01:00

295 lines
9.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2005 Blender Foundation. All rights reserved. */
/** \file
* \ingroup modifiers
*/
#include <string.h>
#include "BLI_listbase.h"
#include "BLI_utildefines.h"
#include "BLT_translation.h"
#include "DNA_armature_types.h"
#include "DNA_defaults.h"
#include "DNA_mesh_types.h"
#include "DNA_object_types.h"
#include "DNA_screen_types.h"
#include "BKE_action.h"
#include "BKE_armature.h"
#include "BKE_context.h"
#include "BKE_deform.h"
#include "BKE_editmesh.h"
#include "BKE_lib_id.h"
#include "BKE_lib_query.h"
#include "BKE_mesh.h"
#include "BKE_mesh_wrapper.h"
#include "BKE_modifier.h"
#include "BKE_screen.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "RNA_access.h"
#include "RNA_prototypes.h"
#include "BLO_read_write.h"
#include "DEG_depsgraph_query.h"
#include "MEM_guardedalloc.h"
#include "MOD_ui_common.h"
#include "MOD_util.h"
static void initData(ModifierData *md)
{
ArmatureModifierData *amd = (ArmatureModifierData *)md;
BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(amd, modifier));
MEMCPY_STRUCT_AFTER(amd, DNA_struct_default_get(ArmatureModifierData), modifier);
}
static void copyData(const ModifierData *md, ModifierData *target, const int flag)
{
#if 0
const ArmatureModifierData *amd = (const ArmatureModifierData *)md;
#endif
ArmatureModifierData *tamd = (ArmatureModifierData *)target;
BKE_modifier_copydata_generic(md, target, flag);
tamd->vert_coords_prev = NULL;
}
static void requiredDataMask(ModifierData *UNUSED(md), CustomData_MeshMasks *r_cddata_masks)
{
/* ask for vertexgroups */
r_cddata_masks->vmask |= CD_MASK_MDEFORMVERT;
}
static bool isDisabled(const struct Scene *UNUSED(scene),
ModifierData *md,
bool UNUSED(useRenderParams))
{
ArmatureModifierData *amd = (ArmatureModifierData *)md;
/* The object type check is only needed here in case we have a placeholder
* object assigned (because the library containing the armature is missing).
*
* In other cases it should be impossible to have a type mismatch.
*/
return !amd->object || amd->object->type != OB_ARMATURE;
}
static void foreachIDLink(ModifierData *md, Object *ob, IDWalkFunc walk, void *userData)
{
ArmatureModifierData *amd = (ArmatureModifierData *)md;
walk(userData, ob, (ID **)&amd->object, IDWALK_CB_NOP);
}
static void updateDepsgraph(ModifierData *md, const ModifierUpdateDepsgraphContext *ctx)
{
ArmatureModifierData *amd = (ArmatureModifierData *)md;
if (amd->object != NULL) {
/* If not using envelopes,
* create relations to individual bones for more rigging flexibility. */
if ((amd->deformflag & ARM_DEF_ENVELOPE) == 0 && (amd->object->pose != NULL) &&
ELEM(ctx->object->type, OB_MESH, OB_LATTICE, OB_GPENCIL_LEGACY)) {
/* If neither vertex groups nor envelopes are used, the modifier has no bone dependencies. */
if ((amd->deformflag & ARM_DEF_VGROUP) != 0) {
/* Enumerate groups that match existing bones. */
const ListBase *defbase = BKE_object_defgroup_list(ctx->object);
LISTBASE_FOREACH (bDeformGroup *, dg, defbase) {
if (BKE_pose_channel_find_name(amd->object->pose, dg->name) != NULL) {
/* Can't check BONE_NO_DEFORM because it can be animated. */
DEG_add_bone_relation(
ctx->node, amd->object, dg->name, DEG_OB_COMP_BONE, "Armature Modifier");
}
}
}
}
/* Otherwise require the whole pose to be complete. */
else {
DEG_add_object_relation(ctx->node, amd->object, DEG_OB_COMP_EVAL_POSE, "Armature Modifier");
}
DEG_add_object_relation(ctx->node, amd->object, DEG_OB_COMP_TRANSFORM, "Armature Modifier");
}
DEG_add_depends_on_transform_relation(ctx->node, "Armature Modifier");
}
static void deformVerts(ModifierData *md,
const ModifierEvalContext *ctx,
Mesh *mesh,
float (*vertexCos)[3],
int verts_num)
{
ArmatureModifierData *amd = (ArmatureModifierData *)md;
MOD_previous_vcos_store(md, vertexCos); /* if next modifier needs original vertices */
BKE_armature_deform_coords_with_mesh(amd->object,
ctx->object,
vertexCos,
NULL,
verts_num,
amd->deformflag,
amd->vert_coords_prev,
amd->defgrp_name,
mesh);
/* free cache */
MEM_SAFE_FREE(amd->vert_coords_prev);
}
static void deformVertsEM(ModifierData *md,
const ModifierEvalContext *ctx,
struct BMEditMesh *em,
Mesh *mesh,
float (*vertexCos)[3],
int verts_num)
{
if (mesh != NULL) {
deformVerts(md, ctx, mesh, vertexCos, verts_num);
return;
}
ArmatureModifierData *amd = (ArmatureModifierData *)md;
MOD_previous_vcos_store(md, vertexCos); /* if next modifier needs original vertices */
BKE_armature_deform_coords_with_editmesh(amd->object,
ctx->object,
vertexCos,
NULL,
verts_num,
amd->deformflag,
amd->vert_coords_prev,
amd->defgrp_name,
em);
/* free cache */
MEM_SAFE_FREE(amd->vert_coords_prev);
}
static void deformMatricesEM(ModifierData *md,
const ModifierEvalContext *ctx,
struct BMEditMesh *em,
Mesh *UNUSED(mesh),
float (*vertexCos)[3],
float (*defMats)[3][3],
int verts_num)
{
ArmatureModifierData *amd = (ArmatureModifierData *)md;
BKE_armature_deform_coords_with_editmesh(amd->object,
ctx->object,
vertexCos,
defMats,
verts_num,
amd->deformflag,
NULL,
amd->defgrp_name,
em);
}
static void deformMatrices(ModifierData *md,
const ModifierEvalContext *ctx,
Mesh *mesh,
float (*vertexCos)[3],
float (*defMats)[3][3],
int verts_num)
{
ArmatureModifierData *amd = (ArmatureModifierData *)md;
Mesh *mesh_src = MOD_deform_mesh_eval_get(ctx->object, NULL, mesh, NULL, verts_num, false);
BKE_armature_deform_coords_with_mesh(amd->object,
ctx->object,
vertexCos,
defMats,
verts_num,
amd->deformflag,
NULL,
amd->defgrp_name,
mesh_src);
if (!ELEM(mesh_src, NULL, mesh)) {
BKE_id_free(NULL, mesh_src);
}
}
static void panel_draw(const bContext *UNUSED(C), Panel *panel)
{
uiLayout *col;
uiLayout *layout = panel->layout;
PointerRNA ob_ptr;
PointerRNA *ptr = modifier_panel_get_property_pointers(panel, &ob_ptr);
uiLayoutSetPropSep(layout, true);
uiItemR(layout, ptr, "object", 0, NULL, ICON_NONE);
modifier_vgroup_ui(layout, ptr, &ob_ptr, "vertex_group", "invert_vertex_group", NULL);
col = uiLayoutColumn(layout, true);
uiItemR(col, ptr, "use_deform_preserve_volume", 0, NULL, ICON_NONE);
uiItemR(col, ptr, "use_multi_modifier", 0, NULL, ICON_NONE);
col = uiLayoutColumnWithHeading(layout, true, IFACE_("Bind To"));
uiItemR(col, ptr, "use_vertex_groups", 0, IFACE_("Vertex Groups"), ICON_NONE);
uiItemR(col, ptr, "use_bone_envelopes", 0, IFACE_("Bone Envelopes"), ICON_NONE);
modifier_panel_end(layout, ptr);
}
static void panelRegister(ARegionType *region_type)
{
modifier_panel_register(region_type, eModifierType_Armature, panel_draw);
}
static void blendRead(BlendDataReader *UNUSED(reader), ModifierData *md)
{
ArmatureModifierData *amd = (ArmatureModifierData *)md;
amd->vert_coords_prev = NULL;
}
ModifierTypeInfo modifierType_Armature = {
/*name*/ N_("Armature"),
/*structName*/ "ArmatureModifierData",
/*structSize*/ sizeof(ArmatureModifierData),
/*srna*/ &RNA_ArmatureModifier,
/*type*/ eModifierTypeType_OnlyDeform,
/*flags*/ eModifierTypeFlag_AcceptsCVs | eModifierTypeFlag_AcceptsVertexCosOnly |
eModifierTypeFlag_SupportsEditmode,
/*icon*/ ICON_MOD_ARMATURE,
/*copyData*/ copyData,
/*deformVerts*/ deformVerts,
/*deformMatrices*/ deformMatrices,
/*deformVertsEM*/ deformVertsEM,
/*deformMatricesEM*/ deformMatricesEM,
/*modifyMesh*/ NULL,
/*modifyGeometrySet*/ NULL,
/*initData*/ initData,
/*requiredDataMask*/ requiredDataMask,
/*freeData*/ NULL,
/*isDisabled*/ isDisabled,
/*updateDepsgraph*/ updateDepsgraph,
/*dependsOnTime*/ NULL,
/*dependsOnNormals*/ NULL,
/*foreachIDLink*/ foreachIDLink,
/*foreachTexLink*/ NULL,
/*freeRuntimeData*/ NULL,
/*panelRegister*/ panelRegister,
/*blendWrite*/ NULL,
/*blendRead*/ blendRead,
};