227 lines
7.0 KiB
C
227 lines
7.0 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2017, Blender Foundation
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* This is a new part of Blender
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*/
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/** \file
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* \ingroup modifiers
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*/
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#include <stdio.h>
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#include "BLI_listbase.h"
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#include "BLI_math.h"
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#include "BLI_utildefines.h"
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#include "BLT_translation.h"
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#include "DNA_defaults.h"
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#include "DNA_gpencil_modifier_types.h"
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#include "DNA_gpencil_types.h"
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#include "DNA_meshdata_types.h"
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#include "DNA_object_types.h"
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#include "DNA_screen_types.h"
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#include "BKE_context.h"
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#include "BKE_deform.h"
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#include "BKE_gpencil_geom.h"
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#include "BKE_gpencil_modifier.h"
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#include "BKE_lib_query.h"
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#include "BKE_modifier.h"
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#include "BKE_screen.h"
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#include "DEG_depsgraph.h"
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#include "UI_interface.h"
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#include "UI_resources.h"
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#include "RNA_access.h"
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#include "MOD_gpencil_modifiertypes.h"
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#include "MOD_gpencil_ui_common.h"
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#include "MOD_gpencil_util.h"
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static void initData(GpencilModifierData *md)
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{
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TextureGpencilModifierData *gpmd = (TextureGpencilModifierData *)md;
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BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(gpmd, modifier));
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MEMCPY_STRUCT_AFTER(gpmd, DNA_struct_default_get(TextureGpencilModifierData), modifier);
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}
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static void copyData(const GpencilModifierData *md, GpencilModifierData *target)
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{
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BKE_gpencil_modifier_copydata_generic(md, target);
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}
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/* change stroke uv texture values */
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static void deformStroke(GpencilModifierData *md,
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Depsgraph *UNUSED(depsgraph),
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Object *ob,
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bGPDlayer *gpl,
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bGPDframe *UNUSED(gpf),
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bGPDstroke *gps)
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{
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TextureGpencilModifierData *mmd = (TextureGpencilModifierData *)md;
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const int def_nr = BKE_object_defgroup_name_index(ob, mmd->vgname);
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bGPdata *gpd = ob->data;
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if (!is_stroke_affected_by_modifier(ob,
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mmd->layername,
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mmd->material,
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mmd->pass_index,
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mmd->layer_pass,
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1,
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gpl,
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gps,
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mmd->flag & GP_TEX_INVERT_LAYER,
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mmd->flag & GP_TEX_INVERT_PASS,
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mmd->flag & GP_TEX_INVERT_LAYERPASS,
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mmd->flag & GP_TEX_INVERT_MATERIAL)) {
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return;
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}
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if (ELEM(mmd->mode, FILL, STROKE_AND_FILL)) {
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gps->uv_rotation += mmd->fill_rotation;
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gps->uv_translation[0] += mmd->fill_offset[0];
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gps->uv_translation[1] += mmd->fill_offset[1];
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gps->uv_scale *= mmd->fill_scale;
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BKE_gpencil_stroke_geometry_update(gpd, gps);
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}
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if (ELEM(mmd->mode, STROKE, STROKE_AND_FILL)) {
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float totlen = 1.0f;
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if (mmd->fit_method == GP_TEX_FIT_STROKE) {
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totlen = 0.0f;
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for (int i = 1; i < gps->totpoints; i++) {
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totlen += len_v3v3(&gps->points[i - 1].x, &gps->points[i].x);
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}
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}
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for (int i = 0; i < gps->totpoints; i++) {
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bGPDspoint *pt = &gps->points[i];
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MDeformVert *dvert = gps->dvert != NULL ? &gps->dvert[i] : NULL;
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/* Verify point is part of vertex group. */
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float weight = get_modifier_point_weight(
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dvert, (mmd->flag & GP_TEX_INVERT_VGROUP) != 0, def_nr);
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if (weight < 0.0f) {
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continue;
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}
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pt->uv_fac /= totlen;
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pt->uv_fac *= mmd->uv_scale;
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pt->uv_fac += mmd->uv_offset;
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pt->uv_rot += mmd->alignment_rotation;
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}
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}
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}
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static void bakeModifier(struct Main *UNUSED(bmain),
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Depsgraph *depsgraph,
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GpencilModifierData *md,
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Object *ob)
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{
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bGPdata *gpd = ob->data;
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LISTBASE_FOREACH (bGPDlayer *, gpl, &gpd->layers) {
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LISTBASE_FOREACH (bGPDframe *, gpf, &gpl->frames) {
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LISTBASE_FOREACH (bGPDstroke *, gps, &gpf->strokes) {
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deformStroke(md, depsgraph, ob, gpl, gpf, gps);
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}
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}
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}
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}
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static void foreachIDLink(GpencilModifierData *md, Object *ob, IDWalkFunc walk, void *userData)
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{
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TextureGpencilModifierData *mmd = (TextureGpencilModifierData *)md;
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walk(userData, ob, (ID **)&mmd->material, IDWALK_CB_USER);
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}
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static void panel_draw(const bContext *UNUSED(C), Panel *panel)
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{
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uiLayout *col;
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uiLayout *layout = panel->layout;
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PointerRNA *ptr = gpencil_modifier_panel_get_property_pointers(panel, NULL);
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int mode = RNA_enum_get(ptr, "mode");
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uiLayoutSetPropSep(layout, true);
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uiItemR(layout, ptr, "mode", 0, NULL, ICON_NONE);
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if (ELEM(mode, STROKE, STROKE_AND_FILL)) {
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col = uiLayoutColumn(layout, false);
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uiItemR(col, ptr, "fit_method", 0, IFACE_("Stroke Fit Method"), ICON_NONE);
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uiItemR(col, ptr, "uv_offset", 0, NULL, ICON_NONE);
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uiItemR(col, ptr, "alignment_rotation", 0, NULL, ICON_NONE);
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uiItemR(col, ptr, "uv_scale", 0, IFACE_("Scale"), ICON_NONE);
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}
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if (mode == STROKE_AND_FILL) {
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uiItemS(layout);
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}
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if (ELEM(mode, FILL, STROKE_AND_FILL)) {
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col = uiLayoutColumn(layout, false);
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uiItemR(col, ptr, "fill_rotation", 0, NULL, ICON_NONE);
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uiItemR(col, ptr, "fill_offset", 0, IFACE_("Offset"), ICON_NONE);
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uiItemR(col, ptr, "fill_scale", 0, IFACE_("Scale"), ICON_NONE);
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}
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gpencil_modifier_panel_end(layout, ptr);
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}
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static void mask_panel_draw(const bContext *UNUSED(C), Panel *panel)
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{
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gpencil_modifier_masking_panel_draw(panel, true, true);
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}
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static void panelRegister(ARegionType *region_type)
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{
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PanelType *panel_type = gpencil_modifier_panel_register(
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region_type, eGpencilModifierType_Texture, panel_draw);
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gpencil_modifier_subpanel_register(
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region_type, "mask", "Influence", NULL, mask_panel_draw, panel_type);
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}
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GpencilModifierTypeInfo modifierType_Gpencil_Texture = {
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/* name */ "TextureMapping",
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/* structName */ "TextureGpencilModifierData",
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/* structSize */ sizeof(TextureGpencilModifierData),
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/* type */ eGpencilModifierTypeType_Gpencil,
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/* flags */ eGpencilModifierTypeFlag_SupportsEditmode,
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/* copyData */ copyData,
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/* deformStroke */ deformStroke,
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/* generateStrokes */ NULL,
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/* bakeModifier */ bakeModifier,
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/* remapTime */ NULL,
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/* initData */ initData,
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/* freeData */ NULL,
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/* isDisabled */ NULL,
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/* updateDepsgraph */ NULL,
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/* dependsOnTime */ NULL,
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/* foreachIDLink */ foreachIDLink,
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/* foreachTexLink */ NULL,
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/* panelRegister */ panelRegister,
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};
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