tornavis/source/blender/gpencil_modifiers_legacy/intern/MOD_gpencil_legacy_shrinkwr...

332 lines
11 KiB
C++

/* SPDX-FileCopyrightText: 2017 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup modifiers
*/
#include <cstdio>
#include <cstring> /* For #MEMCPY_STRUCT_AFTER. */
#include "BLI_listbase.h"
#include "BLI_math_vector.h"
#include "BLI_utildefines.h"
#include "BLT_translation.hh"
#include "DNA_defaults.h"
#include "DNA_gpencil_legacy_types.h"
#include "DNA_gpencil_modifier_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "BKE_deform.hh"
#include "BKE_gpencil_geom_legacy.h"
#include "BKE_gpencil_modifier_legacy.h"
#include "BKE_lib_query.hh"
#include "BKE_modifier.hh"
#include "BKE_scene.hh"
#include "BKE_shrinkwrap.hh"
#include "MEM_guardedalloc.h"
#include "UI_interface.hh"
#include "UI_resources.hh"
#include "RNA_access.hh"
#include "MOD_gpencil_legacy_ui_common.h"
#include "MOD_gpencil_legacy_util.h"
#include "DEG_depsgraph.hh"
#include "DEG_depsgraph_build.hh"
#include "DEG_depsgraph_query.hh"
static void init_data(GpencilModifierData *md)
{
ShrinkwrapGpencilModifierData *gpmd = (ShrinkwrapGpencilModifierData *)md;
BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(gpmd, modifier));
MEMCPY_STRUCT_AFTER(gpmd, DNA_struct_default_get(ShrinkwrapGpencilModifierData), modifier);
}
static void copy_data(const GpencilModifierData *md, GpencilModifierData *target)
{
BKE_gpencil_modifier_copydata_generic(md, target);
}
static void deform_stroke(GpencilModifierData *md,
Depsgraph * /*depsgraph*/,
Object *ob,
bGPDlayer *gpl,
bGPDframe * /*gpf*/,
bGPDstroke *gps)
{
bGPdata *gpd = static_cast<bGPdata *>(ob->data);
ShrinkwrapGpencilModifierData *mmd = (ShrinkwrapGpencilModifierData *)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_SHRINKWRAP_INVERT_LAYER,
mmd->flag & GP_SHRINKWRAP_INVERT_PASS,
mmd->flag & GP_SHRINKWRAP_INVERT_LAYERPASS,
mmd->flag & GP_SHRINKWRAP_INVERT_MATERIAL))
{
return;
}
if ((mmd->cache_data == nullptr) || (mmd->target == ob) || (mmd->aux_target == ob)) {
return;
}
bGPDspoint *pt = gps->points;
float(*vert_coords)[3] = static_cast<float(*)[3]>(
MEM_mallocN(sizeof(float[3]) * gps->totpoints, __func__));
int i;
/* Prepare array of points. */
for (i = 0; i < gps->totpoints; i++, pt++) {
copy_v3_v3(vert_coords[i], &pt->x);
}
shrinkwrapGpencilModifier_deform(mmd, ob, gps->dvert, def_nr, vert_coords, gps->totpoints);
/* Apply deformed coordinates. */
pt = gps->points;
for (i = 0; i < gps->totpoints; i++, pt++) {
copy_v3_v3(&pt->x, vert_coords[i]);
}
MEM_freeN(vert_coords);
/* Smooth stroke. */
BKE_gpencil_stroke_smooth(
gps, mmd->smooth_factor, mmd->smooth_step, true, false, false, false, true, nullptr);
/* Calc geometry data. */
BKE_gpencil_stroke_geometry_update(gpd, gps);
}
static void bake_modifier(Main * /*bmain*/,
Depsgraph *depsgraph,
GpencilModifierData *md,
Object *ob)
{
ShrinkwrapGpencilModifierData *mmd = (ShrinkwrapGpencilModifierData *)md;
Scene *scene = DEG_get_evaluated_scene(depsgraph);
bGPdata *gpd = static_cast<bGPdata *>(ob->data);
int oldframe = int(DEG_get_ctime(depsgraph));
if ((mmd->target == ob) || (mmd->aux_target == ob)) {
return;
}
LISTBASE_FOREACH (bGPDlayer *, gpl, &gpd->layers) {
LISTBASE_FOREACH (bGPDframe *, gpf, &gpl->frames) {
/* Apply shrinkwrap effects on this frame. */
scene->r.cfra = gpf->framenum;
BKE_scene_graph_update_for_newframe(depsgraph);
/* Recalculate shrinkwrap data. */
if (mmd->cache_data) {
BKE_shrinkwrap_free_tree(mmd->cache_data);
MEM_SAFE_FREE(mmd->cache_data);
}
Object *ob_target = DEG_get_evaluated_object(depsgraph, mmd->target);
Mesh *target = BKE_modifier_get_evaluated_mesh_from_evaluated_object(ob_target);
mmd->cache_data = static_cast<ShrinkwrapTreeData *>(
MEM_callocN(sizeof(ShrinkwrapTreeData), __func__));
if (BKE_shrinkwrap_init_tree(
mmd->cache_data, target, mmd->shrink_type, mmd->shrink_mode, false))
{
/* Compute shrinkwrap effects on this frame. */
LISTBASE_FOREACH (bGPDstroke *, gps, &gpf->strokes) {
deform_stroke(md, depsgraph, ob, gpl, gpf, gps);
}
}
/* Free data. */
if (mmd->cache_data) {
BKE_shrinkwrap_free_tree(mmd->cache_data);
MEM_SAFE_FREE(mmd->cache_data);
}
}
}
/* Return frame state and DB to original state. */
scene->r.cfra = oldframe;
BKE_scene_graph_update_for_newframe(depsgraph);
}
static void free_data(GpencilModifierData *md)
{
ShrinkwrapGpencilModifierData *mmd = (ShrinkwrapGpencilModifierData *)md;
if (mmd->cache_data) {
BKE_shrinkwrap_free_tree(mmd->cache_data);
MEM_SAFE_FREE(mmd->cache_data);
}
}
static bool is_disabled(GpencilModifierData *md, bool /*use_render_params*/)
{
ShrinkwrapGpencilModifierData *mmd = (ShrinkwrapGpencilModifierData *)md;
/* The object type check is only needed here in case we have a placeholder
* object assigned (because the library containing the mesh is missing).
*
* In other cases it should be impossible to have a type mismatch.
*/
if (!mmd->target || mmd->target->type != OB_MESH) {
return true;
}
if (mmd->aux_target && mmd->aux_target->type != OB_MESH) {
return true;
}
return false;
}
static void update_depsgraph(GpencilModifierData *md,
const ModifierUpdateDepsgraphContext *ctx,
const int /*mode*/)
{
ShrinkwrapGpencilModifierData *mmd = (ShrinkwrapGpencilModifierData *)md;
CustomData_MeshMasks mask = {0};
if (BKE_shrinkwrap_needs_normals(mmd->shrink_type, mmd->shrink_mode)) {
mask.lmask |= CD_MASK_CUSTOMLOOPNORMAL;
}
if (mmd->target != nullptr) {
DEG_add_object_relation(ctx->node, mmd->target, DEG_OB_COMP_TRANSFORM, "Shrinkwrap Modifier");
DEG_add_object_relation(ctx->node, mmd->target, DEG_OB_COMP_GEOMETRY, "Shrinkwrap Modifier");
DEG_add_customdata_mask(ctx->node, mmd->target, &mask);
if (mmd->shrink_type == MOD_SHRINKWRAP_TARGET_PROJECT) {
DEG_add_special_eval_flag(ctx->node, &mmd->target->id, DAG_EVAL_NEED_SHRINKWRAP_BOUNDARY);
}
}
if (mmd->aux_target != nullptr) {
DEG_add_object_relation(
ctx->node, mmd->aux_target, DEG_OB_COMP_TRANSFORM, "Shrinkwrap Modifier");
DEG_add_object_relation(
ctx->node, mmd->aux_target, DEG_OB_COMP_GEOMETRY, "Shrinkwrap Modifier");
DEG_add_customdata_mask(ctx->node, mmd->aux_target, &mask);
if (mmd->shrink_type == MOD_SHRINKWRAP_TARGET_PROJECT) {
DEG_add_special_eval_flag(
ctx->node, &mmd->aux_target->id, DAG_EVAL_NEED_SHRINKWRAP_BOUNDARY);
}
}
DEG_add_depends_on_transform_relation(ctx->node, "Shrinkwrap Modifier");
}
static void foreach_ID_link(GpencilModifierData *md, Object *ob, IDWalkFunc walk, void *user_data)
{
ShrinkwrapGpencilModifierData *mmd = (ShrinkwrapGpencilModifierData *)md;
walk(user_data, ob, (ID **)&mmd->target, IDWALK_CB_NOP);
walk(user_data, ob, (ID **)&mmd->aux_target, IDWALK_CB_NOP);
walk(user_data, ob, (ID **)&mmd->material, IDWALK_CB_USER);
}
static void panel_draw(const bContext * /*C*/, Panel *panel)
{
uiLayout *row, *col;
uiLayout *layout = panel->layout;
const eUI_Item_Flag toggles_flag = UI_ITEM_R_TOGGLE | UI_ITEM_R_FORCE_BLANK_DECORATE;
PointerRNA *ptr = gpencil_modifier_panel_get_property_pointers(panel, nullptr);
uiLayoutSetPropSep(layout, true);
int wrap_method = RNA_enum_get(ptr, "wrap_method");
uiItemR(layout, ptr, "wrap_method", UI_ITEM_NONE, nullptr, ICON_NONE);
if (ELEM(wrap_method,
MOD_SHRINKWRAP_PROJECT,
MOD_SHRINKWRAP_NEAREST_SURFACE,
MOD_SHRINKWRAP_TARGET_PROJECT))
{
uiItemR(layout, ptr, "wrap_mode", UI_ITEM_NONE, nullptr, ICON_NONE);
}
if (wrap_method == MOD_SHRINKWRAP_PROJECT) {
uiItemR(layout, ptr, "project_limit", UI_ITEM_NONE, IFACE_("Limit"), ICON_NONE);
uiItemR(layout, ptr, "subsurf_levels", UI_ITEM_NONE, nullptr, ICON_NONE);
col = uiLayoutColumn(layout, false);
row = uiLayoutRowWithHeading(col, true, IFACE_("Axis"));
uiItemR(row, ptr, "use_project_x", toggles_flag, nullptr, ICON_NONE);
uiItemR(row, ptr, "use_project_y", toggles_flag, nullptr, ICON_NONE);
uiItemR(row, ptr, "use_project_z", toggles_flag, nullptr, ICON_NONE);
uiItemR(col, ptr, "use_negative_direction", UI_ITEM_NONE, nullptr, ICON_NONE);
uiItemR(col, ptr, "use_positive_direction", UI_ITEM_NONE, nullptr, ICON_NONE);
uiItemR(layout, ptr, "cull_face", UI_ITEM_R_EXPAND, nullptr, ICON_NONE);
col = uiLayoutColumn(layout, false);
uiLayoutSetActive(col,
RNA_boolean_get(ptr, "use_negative_direction") &&
RNA_enum_get(ptr, "cull_face") != 0);
uiItemR(col, ptr, "use_invert_cull", UI_ITEM_NONE, nullptr, ICON_NONE);
}
uiItemR(layout, ptr, "target", UI_ITEM_NONE, nullptr, ICON_NONE);
if (wrap_method == MOD_SHRINKWRAP_PROJECT) {
uiItemR(layout, ptr, "auxiliary_target", UI_ITEM_NONE, nullptr, ICON_NONE);
}
uiItemR(layout, ptr, "offset", UI_ITEM_NONE, nullptr, ICON_NONE);
uiLayoutSetPropSep(layout, true);
uiItemR(layout, ptr, "smooth_factor", UI_ITEM_NONE, nullptr, ICON_NONE);
uiItemR(layout, ptr, "smooth_step", UI_ITEM_NONE, IFACE_("Repeat"), ICON_NONE);
gpencil_modifier_panel_end(layout, ptr);
}
static void mask_panel_draw(const bContext * /*C*/, Panel *panel)
{
gpencil_modifier_masking_panel_draw(panel, true, true);
}
static void panel_register(ARegionType *region_type)
{
PanelType *panel_type = gpencil_modifier_panel_register(
region_type, eGpencilModifierType_Shrinkwrap, panel_draw);
gpencil_modifier_subpanel_register(
region_type, "mask", "Influence", nullptr, mask_panel_draw, panel_type);
}
GpencilModifierTypeInfo modifierType_Gpencil_Shrinkwrap = {
/*name*/ N_("Shrinkwrap"),
/*struct_name*/ "ShrinkwrapGpencilModifierData",
/*struct_size*/ sizeof(ShrinkwrapGpencilModifierData),
/*type*/ eGpencilModifierTypeType_Gpencil,
/*flags*/ eGpencilModifierTypeFlag_SupportsEditmode,
/*copy_data*/ copy_data,
/*deform_stroke*/ deform_stroke,
/*generate_strokes*/ nullptr,
/*bake_modifier*/ bake_modifier,
/*remap_time*/ nullptr,
/*init_data*/ init_data,
/*free_data*/ free_data,
/*is_disabled*/ is_disabled,
/*update_depsgraph*/ update_depsgraph,
/*depends_on_time*/ nullptr,
/*foreach_ID_link*/ foreach_ID_link,
/*foreach_tex_link*/ nullptr,
/*panel_register*/ panel_register,
};