diff options
Diffstat (limited to 'source/blender/gpencil_modifiers/intern/MOD_gpenciltexture.c')
| -rw-r--r-- | source/blender/gpencil_modifiers/intern/MOD_gpenciltexture.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpenciltexture.c b/source/blender/gpencil_modifiers/intern/MOD_gpenciltexture.c new file mode 100644 index 00000000000..a5adf12b617 --- /dev/null +++ b/source/blender/gpencil_modifiers/intern/MOD_gpenciltexture.c @@ -0,0 +1,172 @@ +/* + * 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 "DNA_gpencil_modifier_types.h" +#include "DNA_gpencil_types.h" +#include "DNA_meshdata_types.h" +#include "DNA_object_types.h" +#include "DNA_scene_types.h" + +#include "BKE_colortools.h" +#include "BKE_deform.h" +#include "BKE_gpencil.h" +#include "BKE_gpencil_geom.h" +#include "BKE_gpencil_modifier.h" +#include "BKE_lib_query.h" +#include "BKE_modifier.h" + +#include "DEG_depsgraph.h" + +#include "MOD_gpencil_modifiertypes.h" +#include "MOD_gpencil_util.h" + +static void initData(GpencilModifierData *md) +{ + TextureGpencilModifierData *gpmd = (TextureGpencilModifierData *)md; + gpmd->fit_method = GP_TEX_CONSTANT_LENGTH; + gpmd->fill_rotation = 0.0f; + gpmd->fill_scale = 1.0f; + gpmd->fill_offset[0] = 0.0f; + gpmd->fill_offset[1] = 0.0f; + gpmd->uv_offset = 0.0f; + gpmd->uv_scale = 1.0f; + gpmd->pass_index = 0; + gpmd->material = NULL; +} + +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); + + 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 ((mmd->mode == FILL) || (mmd->mode == 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(gps); + } + + if ((mmd->mode == STROKE) || (mmd->mode == 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; + } + } +} + +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); +} + +GpencilModifierTypeInfo modifierType_Gpencil_Texture = { + /* name */ "Texture Mapping", + /* 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, + /* foreachObjectLink */ NULL, + /* foreachIDLink */ foreachIDLink, + /* foreachTexLink */ NULL, +}; |