diff options
Diffstat (limited to 'source/blender/gpencil_modifiers/intern/MOD_gpencilarmature.c')
| -rw-r--r-- | source/blender/gpencil_modifiers/intern/MOD_gpencilarmature.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpencilarmature.c b/source/blender/gpencil_modifiers/intern/MOD_gpencilarmature.c new file mode 100644 index 00000000000..4ae48e73d0f --- /dev/null +++ b/source/blender/gpencil_modifiers/intern/MOD_gpencilarmature.c @@ -0,0 +1,205 @@ +/* + * ***** 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) 2018, Blender Foundation + * This is a new part of Blender + * + * Contributor(s): Antonio Vazquez + * + * ***** END GPL LICENSE BLOCK ***** + * + */ + +/** \file blender/gpencil_modifiers/intern/MOD_gpencilarmature.c + * \ingroup modifiers + */ + +#include <stdio.h> + +#include "DNA_armature_types.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 "DNA_modifier_types.h" +#include "BLI_math.h" + +#include "BLI_listbase.h" +#include "BLI_task.h" +#include "BLI_utildefines.h" + +#include "BKE_lattice.h" +#include "BKE_context.h" +#include "BKE_gpencil.h" +#include "BKE_gpencil_modifier.h" +#include "BKE_modifier.h" +#include "BKE_library_query.h" +#include "BKE_scene.h" +#include "BKE_main.h" + +#include "MEM_guardedalloc.h" + +#include "MOD_gpencil_util.h" +#include "MOD_gpencil_modifiertypes.h" + +#include "DEG_depsgraph.h" +#include "DEG_depsgraph_build.h" +#include "DEG_depsgraph_query.h" + +static void initData(GpencilModifierData *md) +{ + ArmatureGpencilModifierData *gpmd = (ArmatureGpencilModifierData *)md; + gpmd->object = NULL; + gpmd->deformflag = ARM_DEF_VGROUP; +} + +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 *all_vert_coords = MEM_callocN(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++) { + float *pt_coords = &all_vert_coords[3 * i]; + float co[3]; + copy_v3_v3(co, &pt->x); + copy_v3_v3(pt_coords, co); + } + + /* deform verts */ + armature_deform_verts(mmd->object, target, NULL, + (float(*)[3])all_vert_coords, + NULL, gps->totpoints, + mmd->deformflag, + (float(*)[3])mmd->prevCos, + mmd->vgname, gps); + + /* Apply deformed coordinates */ + pt = gps->points; + for (i = 0; i < gps->totpoints; i++, pt++) { + float *pt_coords = &all_vert_coords[3 * i]; + copy_v3_v3(&pt->x, pt_coords); + } + + MEM_SAFE_FREE(all_vert_coords); + +} + +/* deform stroke */ +static void deformStroke( + GpencilModifierData *md, Depsgraph *UNUSED(depsgraph), + Object *ob, bGPDlayer *UNUSED(gpl), bGPDstroke *gps) +{ + ArmatureGpencilModifierData *mmd = (ArmatureGpencilModifierData *)md; + if (!mmd->object) { + return; + } + + gpencil_deform_verts(mmd, ob, gps); +} + +static void bakeModifier( + Main *bmain, Depsgraph *depsgraph, + GpencilModifierData *md, Object *ob) +{ + ArmatureGpencilModifierData *mmd = (ArmatureGpencilModifierData *)md; + Scene *scene = DEG_get_evaluated_scene(depsgraph); + bGPdata *gpd = ob->data; + int oldframe = (int)DEG_get_ctime(depsgraph); + + if (mmd->object == NULL) + return; + + for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) { + for (bGPDframe *gpf = gpl->frames.first; gpf; gpf = gpf->next) { + /* apply armature effects on this frame + * NOTE: this assumes that we don't want armature animation on non-keyframed frames + */ + CFRA = gpf->framenum; + BKE_scene_graph_update_for_newframe(depsgraph, bmain); + + /* compute armature effects on this frame */ + for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) { + deformStroke(md, depsgraph, ob, gpl, gps); + } + } + } + + /* return frame state and DB to original state */ + CFRA = oldframe; + BKE_scene_graph_update_for_newframe(depsgraph, bmain); +} + +static bool isDisabled(GpencilModifierData *md, int UNUSED(userRenderParams)) +{ + ArmatureGpencilModifierData *mmd = (ArmatureGpencilModifierData *)md; + + return !mmd->object; +} + +static void updateDepsgraph(GpencilModifierData *md, const ModifierUpdateDepsgraphContext *ctx) +{ + 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 foreachObjectLink( + GpencilModifierData *md, Object *ob, + ObjectWalkFunc walk, void *userData) +{ + ArmatureGpencilModifierData *mmd = (ArmatureGpencilModifierData *)md; + + walk(userData, ob, &mmd->object, IDWALK_CB_NOP); +} + +GpencilModifierTypeInfo modifierType_Gpencil_Armature = { + /* name */ "Armature", + /* structName */ "ArmatureGpencilModifierData", + /* structSize */ sizeof(ArmatureGpencilModifierData), + /* type */ eGpencilModifierTypeType_Gpencil, + /* flags */ 0, + + /* copyData */ copyData, + + /* deformStroke */ deformStroke, + /* generateStrokes */ NULL, + /* bakeModifier */ bakeModifier, + + /* initData */ initData, + /* freeData */ NULL, + /* isDisabled */ isDisabled, + /* updateDepsgraph */ updateDepsgraph, + /* dependsOnTime */ NULL, + /* foreachObjectLink */ foreachObjectLink, + /* foreachIDLink */ NULL, + /* foreachTexLink */ NULL, +}; |