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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2018 Blender Foundation. */
/** \file
* \ingroup modifiers
*/
#include <stdio.h>
#include "BLI_listbase.h"
#include "BLI_math_vector.h"
#include "BLI_utildefines.h"
#include "BLT_translation.h"
#include "DNA_defaults.h"
#include "DNA_gpencil_modifier_types.h"
#include "DNA_gpencil_types.h"
#include "DNA_modifier_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "BKE_armature.h"
#include "BKE_context.h"
#include "BKE_gpencil.h"
#include "BKE_gpencil_geom.h"
#include "BKE_gpencil_modifier.h"
#include "BKE_lib_query.h"
#include "BKE_main.h"
#include "BKE_modifier.h"
#include "BKE_scene.h"
#include "BKE_screen.h"
#include "MEM_guardedalloc.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "RNA_access.h"
#include "MOD_gpencil_modifiertypes.h"
#include "MOD_gpencil_ui_common.h"
#include "MOD_gpencil_util.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_build.h"
#include "DEG_depsgraph_query.h"
static void initData(GpencilModifierData *md)
{
ArmatureGpencilModifierData *gpmd = (ArmatureGpencilModifierData *)md;
BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(gpmd, modifier));
MEMCPY_STRUCT_AFTER(gpmd, DNA_struct_default_get(ArmatureGpencilModifierData), modifier);
}
static void copyData(const GpencilModifierData *md, GpencilModifierData *target)
{
BKE_gpencil_modifier_copydata_generic(md, target);
}
static void gpencil_deform_verts(ArmatureGpencilModifierData *mmd, Object *target, bGPDstroke *gps)
{
bGPDspoint *pt = gps->points;
float(*vert_coords)[3] = MEM_mallocN(sizeof(float[3]) * gps->totpoints, __func__);
int i;
BKE_gpencil_dvert_ensure(gps);
/* prepare array of points */
for (i = 0; i < gps->totpoints; i++, pt++) {
copy_v3_v3(vert_coords[i], &pt->x);
}
/* deform verts */
BKE_armature_deform_coords_with_gpencil_stroke(mmd->object,
target,
vert_coords,
NULL,
gps->totpoints,
mmd->deformflag,
mmd->vert_coords_prev,
mmd->vgname,
gps);
/* Apply deformed coordinates */
pt = gps->points;
for (i = 0; i < gps->totpoints; i++, pt++) {
copy_v3_v3(&pt->x, vert_coords[i]);
}
MEM_freeN(vert_coords);
}
/* deform stroke */
static void deformStroke(GpencilModifierData *md,
Depsgraph *UNUSED(depsgraph),
Object *ob,
bGPDlayer *UNUSED(gpl),
bGPDframe *UNUSED(gpf),
bGPDstroke *gps)
{
ArmatureGpencilModifierData *mmd = (ArmatureGpencilModifierData *)md;
if (!mmd->object) {
return;
}
bGPdata *gpd = ob->data;
gpencil_deform_verts(mmd, ob, gps);
/* Calc geometry data. */
BKE_gpencil_stroke_geometry_update(gpd, gps);
}
static void bakeModifier(Main *UNUSED(bmain),
Depsgraph *depsgraph,
GpencilModifierData *md,
Object *ob)
{
Object *object_eval = DEG_get_evaluated_object(depsgraph, ob);
ArmatureGpencilModifierData *mmd = (ArmatureGpencilModifierData *)md;
GpencilModifierData *md_eval = BKE_gpencil_modifiers_findby_name(object_eval, md->name);
if (mmd->object == NULL) {
return;
}
generic_bake_deform_stroke(depsgraph, md_eval, object_eval, true, deformStroke);
}
static bool isDisabled(GpencilModifierData *md, int UNUSED(userRenderParams))
{
ArmatureGpencilModifierData *mmd = (ArmatureGpencilModifierData *)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 !mmd->object || mmd->object->type != OB_ARMATURE;
}
static void updateDepsgraph(GpencilModifierData *md,
const ModifierUpdateDepsgraphContext *ctx,
const int UNUSED(mode))
{
ArmatureGpencilModifierData *lmd = (ArmatureGpencilModifierData *)md;
if (lmd->object != NULL) {
DEG_add_object_relation(ctx->node, lmd->object, DEG_OB_COMP_EVAL_POSE, "Armature Modifier");
DEG_add_object_relation(ctx->node, lmd->object, DEG_OB_COMP_TRANSFORM, "Armature Modifier");
}
DEG_add_object_relation(ctx->node, ctx->object, DEG_OB_COMP_TRANSFORM, "Armature Modifier");
}
static void foreachIDLink(GpencilModifierData *md, Object *ob, IDWalkFunc walk, void *userData)
{
ArmatureGpencilModifierData *mmd = (ArmatureGpencilModifierData *)md;
walk(userData, ob, (ID **)&mmd->object, IDWALK_CB_NOP);
}
static void panel_draw(const bContext *UNUSED(C), Panel *panel)
{
uiLayout *sub, *row, *col;
uiLayout *layout = panel->layout;
PointerRNA ob_ptr;
PointerRNA *ptr = gpencil_modifier_panel_get_property_pointers(panel, &ob_ptr);
bool has_vertex_group = RNA_string_length(ptr, "vertex_group") != 0;
uiLayoutSetPropSep(layout, true);
uiItemR(layout, ptr, "object", 0, NULL, ICON_NONE);
row = uiLayoutRow(layout, true);
uiItemPointerR(row, ptr, "vertex_group", &ob_ptr, "vertex_groups", NULL, ICON_NONE);
sub = uiLayoutRow(row, true);
uiLayoutSetActive(sub, has_vertex_group);
uiLayoutSetPropDecorate(sub, false);
uiItemR(sub, ptr, "invert_vertex_group", 0, "", ICON_ARROW_LEFTRIGHT);
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);
gpencil_modifier_panel_end(layout, ptr);
}
static void panelRegister(ARegionType *region_type)
{
gpencil_modifier_panel_register(region_type, eGpencilModifierType_Armature, panel_draw);
}
GpencilModifierTypeInfo modifierType_Gpencil_Armature = {
/* name */ "Armature",
/* structName */ "ArmatureGpencilModifierData",
/* structSize */ sizeof(ArmatureGpencilModifierData),
/* type */ eGpencilModifierTypeType_Gpencil,
/* flags */ eGpencilModifierTypeFlag_SupportsEditmode,
/* copyData */ copyData,
/* deformStroke */ deformStroke,
/* generateStrokes */ NULL,
/* bakeModifier */ bakeModifier,
/* remapTime */ NULL,
/* initData */ initData,
/* freeData */ NULL,
/* isDisabled */ isDisabled,
/* updateDepsgraph */ updateDepsgraph,
/* dependsOnTime */ NULL,
/* foreachIDLink */ foreachIDLink,
/* foreachTexLink */ NULL,
/* panelRegister */ panelRegister,
};
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