diff options
Diffstat (limited to 'source/blender/gpencil_modifiers/intern/MOD_gpenciloffset.c')
| -rw-r--r-- | source/blender/gpencil_modifiers/intern/MOD_gpenciloffset.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpenciloffset.c b/source/blender/gpencil_modifiers/intern/MOD_gpenciloffset.c new file mode 100644 index 00000000000..a31f889c48a --- /dev/null +++ b/source/blender/gpencil_modifiers/intern/MOD_gpenciloffset.c @@ -0,0 +1,143 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * 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 + * + * Contributor(s): Antonio Vazquez + * + * ***** END GPL LICENSE BLOCK ***** + * + */ + +/** \file blender/gpencil_modifiers/intern/MOD_gpenciloffset.c + * \ingroup modifiers + */ + +#include <stdio.h> + +#include "DNA_meshdata_types.h" +#include "DNA_scene_types.h" +#include "DNA_object_types.h" +#include "DNA_gpencil_types.h" +#include "DNA_gpencil_modifier_types.h" + +#include "BLI_utildefines.h" +#include "BLI_math.h" + +#include "BKE_colortools.h" +#include "BKE_context.h" +#include "BKE_deform.h" +#include "BKE_gpencil.h" +#include "BKE_gpencil_modifier.h" + +#include "DEG_depsgraph.h" + +#include "MOD_gpencil_util.h" +#include "MOD_gpencil_modifiertypes.h" + +static void initData(GpencilModifierData *md) +{ + OffsetGpencilModifierData *gpmd = (OffsetGpencilModifierData *)md; + gpmd->pass_index = 0; + gpmd->layername[0] = '\0'; + gpmd->vgname[0] = '\0'; + ARRAY_SET_ITEMS(gpmd->loc, 0.0f, 0.0f, 0.0f); + ARRAY_SET_ITEMS(gpmd->rot, 0.0f, 0.0f, 0.0f); + ARRAY_SET_ITEMS(gpmd->scale, 0.0f, 0.0f, 0.0f); +} + +static void copyData(const GpencilModifierData *md, GpencilModifierData *target) +{ + BKE_gpencil_modifier_copyData_generic(md, target); +} + +/* change stroke offsetness */ +static void deformStroke( + GpencilModifierData *md, Depsgraph *UNUSED(depsgraph), + Object *ob, bGPDlayer *gpl, bGPDstroke *gps) +{ + OffsetGpencilModifierData *mmd = (OffsetGpencilModifierData *)md; + int vindex = defgroup_name_index(ob, mmd->vgname); + + float mat[4][4]; + float loc[3], rot[3], scale[3]; + + if (!is_stroke_affected_by_modifier(ob, + mmd->layername, mmd->pass_index, 1, gpl, gps, + mmd->flag & GP_OFFSET_INVERT_LAYER, mmd->flag & GP_OFFSET_INVERT_PASS)) + { + return; + } + + for (int i = 0; i < gps->totpoints; i++) { + bGPDspoint *pt = &gps->points[i]; + MDeformVert *dvert = &gps->dvert[i]; + + /* verify vertex group */ + float weight = get_modifier_point_weight(dvert, (int)((mmd->flag & GP_OFFSET_INVERT_VGROUP) != 0), vindex); + if (weight < 0) { + continue; + } + /* calculate matrix */ + mul_v3_v3fl(loc, mmd->loc, weight); + mul_v3_v3fl(rot, mmd->rot, weight); + mul_v3_v3fl(scale, mmd->scale, weight); + add_v3_fl(scale, 1.0); + loc_eul_size_to_mat4(mat, loc, rot, scale); + + mul_m4_v3(mat, &pt->x); + } +} + +static void bakeModifier( + struct Main *UNUSED(bmain), Depsgraph *depsgraph, + GpencilModifierData *md, Object *ob) +{ + bGPdata *gpd = ob->data; + + for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) { + for (bGPDframe *gpf = gpl->frames.first; gpf; gpf = gpf->next) { + for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) { + deformStroke(md, depsgraph, ob, gpl, gps); + } + } + } +} + +GpencilModifierTypeInfo modifierType_Gpencil_Offset = { + /* name */ "Offset", + /* structName */ "OffsetGpencilModifierData", + /* structSize */ sizeof(OffsetGpencilModifierData), + /* type */ eGpencilModifierTypeType_Gpencil, + /* flags */ eGpencilModifierTypeFlag_SupportsEditmode, + + /* copyData */ copyData, + + /* deformStroke */ deformStroke, + /* generateStrokes */ NULL, + /* bakeModifier */ bakeModifier, + + /* initData */ initData, + /* freeData */ NULL, + /* isDisabled */ NULL, + /* updateDepsgraph */ NULL, + /* dependsOnTime */ NULL, + /* foreachObjectLink */ NULL, + /* foreachIDLink */ NULL, + /* foreachTexLink */ NULL, +}; |