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blender-archive/source/blender/gpencil_modifiers/intern/MOD_gpenciltexture.c

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C

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