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blender-archive/source/blender/modifiers/intern/MOD_mirror.cc

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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2005 Blender Foundation. All rights reserved. */
/** \file
* \ingroup modifiers
*/
#include "BLI_math.h"
#include "BLI_span.hh"
#include "BLT_translation.h"
#include "DNA_defaults.h"
#include "DNA_mesh_types.h"
#include "DNA_object_types.h"
#include "DNA_screen_types.h"
#include "BKE_context.h"
#include "BKE_lib_id.h"
#include "BKE_lib_query.h"
#include "BKE_mesh_mirror.h"
#include "BKE_modifier.h"
#include "BKE_screen.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "RNA_access.h"
#include "RNA_prototypes.h"
#include "MEM_guardedalloc.h"
#include "DEG_depsgraph_build.h"
#include "DEG_depsgraph_query.h"
#include "MOD_modifiertypes.h"
#include "MOD_ui_common.h"
#include "GEO_mesh_merge_by_distance.hh"
using namespace blender;
static void initData(ModifierData *md)
{
MirrorModifierData *mmd = (MirrorModifierData *)md;
BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(mmd, modifier));
MEMCPY_STRUCT_AFTER(mmd, DNA_struct_default_get(MirrorModifierData), modifier);
}
static void foreachIDLink(ModifierData *md, Object *ob, IDWalkFunc walk, void *userData)
{
MirrorModifierData *mmd = (MirrorModifierData *)md;
walk(userData, ob, (ID **)&mmd->mirror_ob, IDWALK_CB_NOP);
}
static void updateDepsgraph(ModifierData *md, const ModifierUpdateDepsgraphContext *ctx)
{
MirrorModifierData *mmd = (MirrorModifierData *)md;
if (mmd->mirror_ob != nullptr) {
DEG_add_object_relation(ctx->node, mmd->mirror_ob, DEG_OB_COMP_TRANSFORM, "Mirror Modifier");
DEG_add_depends_on_transform_relation(ctx->node, "Mirror Modifier");
}
}
static Mesh *mirror_apply_on_axis(MirrorModifierData *mmd,
Object *ob,
Mesh *mesh,
const int axis,
const bool use_correct_order_on_merge)
{
int *vert_merge_map = nullptr;
int vert_merge_map_len;
Mesh *result = mesh;
result = BKE_mesh_mirror_apply_mirror_on_axis_for_modifier(
mmd, ob, result, axis, use_correct_order_on_merge, &vert_merge_map, &vert_merge_map_len);
if (vert_merge_map) {
/* Slow - so only call if one or more merge verts are found,
* users may leave this on and not realize there is nothing to merge - campbell */
/* TODO(mano-wii): Polygons with all vertices merged are the ones that form duplicates.
* Therefore the duplicate polygon test can be skipped. */
if (vert_merge_map_len) {
Mesh *tmp = result;
result = geometry::mesh_merge_verts(
*tmp, MutableSpan<int>{vert_merge_map, result->totvert}, vert_merge_map_len);
BKE_id_free(nullptr, tmp);
}
MEM_freeN(vert_merge_map);
}
return result;
}
static Mesh *mirrorModifier__doMirror(MirrorModifierData *mmd, Object *ob, Mesh *mesh)
{
Mesh *result = mesh;
const bool use_correct_order_on_merge = mmd->use_correct_order_on_merge;
/* check which axes have been toggled and mirror accordingly */
if (mmd->flag & MOD_MIR_AXIS_X) {
result = mirror_apply_on_axis(mmd, ob, result, 0, use_correct_order_on_merge);
}
if (mmd->flag & MOD_MIR_AXIS_Y) {
Mesh *tmp = result;
result = mirror_apply_on_axis(mmd, ob, result, 1, use_correct_order_on_merge);
if (tmp != mesh) {
/* free intermediate results */
BKE_id_free(nullptr, tmp);
}
}
if (mmd->flag & MOD_MIR_AXIS_Z) {
Mesh *tmp = result;
result = mirror_apply_on_axis(mmd, ob, result, 2, use_correct_order_on_merge);
if (tmp != mesh) {
/* free intermediate results */
BKE_id_free(nullptr, tmp);
}
}
return result;
}
static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *mesh)
{
Mesh *result;
MirrorModifierData *mmd = (MirrorModifierData *)md;
result = mirrorModifier__doMirror(mmd, ctx->object, mesh);
return result;
}
static void panel_draw(const bContext * /*C*/, Panel *panel)
{
uiLayout *row, *col, *sub;
uiLayout *layout = panel->layout;
int toggles_flag = UI_ITEM_R_TOGGLE | UI_ITEM_R_FORCE_BLANK_DECORATE;
PropertyRNA *prop;
PointerRNA ob_ptr;
PointerRNA *ptr = modifier_panel_get_property_pointers(panel, &ob_ptr);
col = uiLayoutColumn(layout, false);
uiLayoutSetPropSep(col, true);
prop = RNA_struct_find_property(ptr, "use_axis");
row = uiLayoutRowWithHeading(col, true, IFACE_("Axis"));
uiItemFullR(row, ptr, prop, 0, 0, toggles_flag, IFACE_("X"), ICON_NONE);
uiItemFullR(row, ptr, prop, 1, 0, toggles_flag, IFACE_("Y"), ICON_NONE);
uiItemFullR(row, ptr, prop, 2, 0, toggles_flag, IFACE_("Z"), ICON_NONE);
prop = RNA_struct_find_property(ptr, "use_bisect_axis");
row = uiLayoutRowWithHeading(col, true, IFACE_("Bisect"));
uiItemFullR(row, ptr, prop, 0, 0, toggles_flag, IFACE_("X"), ICON_NONE);
uiItemFullR(row, ptr, prop, 1, 0, toggles_flag, IFACE_("Y"), ICON_NONE);
uiItemFullR(row, ptr, prop, 2, 0, toggles_flag, IFACE_("Z"), ICON_NONE);
prop = RNA_struct_find_property(ptr, "use_bisect_flip_axis");
row = uiLayoutRowWithHeading(col, true, IFACE_("Flip"));
uiItemFullR(row, ptr, prop, 0, 0, toggles_flag, IFACE_("X"), ICON_NONE);
uiItemFullR(row, ptr, prop, 1, 0, toggles_flag, IFACE_("Y"), ICON_NONE);
uiItemFullR(row, ptr, prop, 2, 0, toggles_flag, IFACE_("Z"), ICON_NONE);
uiItemS(col);
uiItemR(col, ptr, "mirror_object", 0, nullptr, ICON_NONE);
uiItemR(col, ptr, "use_clip", 0, IFACE_("Clipping"), ICON_NONE);
row = uiLayoutRowWithHeading(col, true, IFACE_("Merge"));
uiItemR(row, ptr, "use_mirror_merge", 0, "", ICON_NONE);
sub = uiLayoutRow(row, true);
uiLayoutSetActive(sub, RNA_boolean_get(ptr, "use_mirror_merge"));
uiItemR(sub, ptr, "merge_threshold", 0, "", ICON_NONE);
bool is_bisect_set[3];
RNA_boolean_get_array(ptr, "use_bisect_axis", is_bisect_set);
sub = uiLayoutRow(col, true);
uiLayoutSetActive(sub, is_bisect_set[0] || is_bisect_set[1] || is_bisect_set[2]);
uiItemR(sub, ptr, "bisect_threshold", 0, IFACE_("Bisect Distance"), ICON_NONE);
modifier_panel_end(layout, ptr);
}
static void data_panel_draw(const bContext * /*C*/, Panel *panel)
{
uiLayout *col, *row, *sub;
uiLayout *layout = panel->layout;
PointerRNA *ptr = modifier_panel_get_property_pointers(panel, nullptr);
uiLayoutSetPropSep(layout, true);
col = uiLayoutColumn(layout, true);
row = uiLayoutRowWithHeading(col, true, IFACE_("Mirror U"));
uiLayoutSetPropDecorate(row, false);
sub = uiLayoutRow(row, true);
uiItemR(sub, ptr, "use_mirror_u", 0, "", ICON_NONE);
sub = uiLayoutRow(sub, true);
uiLayoutSetActive(sub, RNA_boolean_get(ptr, "use_mirror_u"));
uiItemR(sub, ptr, "mirror_offset_u", UI_ITEM_R_SLIDER, "", ICON_NONE);
uiItemDecoratorR(row, ptr, "mirror_offset_u", 0);
row = uiLayoutRowWithHeading(col, true, IFACE_("V"));
uiLayoutSetPropDecorate(row, false);
sub = uiLayoutRow(row, true);
uiItemR(sub, ptr, "use_mirror_v", 0, "", ICON_NONE);
sub = uiLayoutRow(sub, true);
uiLayoutSetActive(sub, RNA_boolean_get(ptr, "use_mirror_v"));
uiItemR(sub, ptr, "mirror_offset_v", UI_ITEM_R_SLIDER, "", ICON_NONE);
uiItemDecoratorR(row, ptr, "mirror_offset_v", 0);
col = uiLayoutColumn(layout, true);
uiItemR(col, ptr, "offset_u", UI_ITEM_R_SLIDER, IFACE_("Offset U"), ICON_NONE);
uiItemR(col, ptr, "offset_v", UI_ITEM_R_SLIDER, IFACE_("V"), ICON_NONE);
uiItemR(layout, ptr, "use_mirror_vertex_groups", 0, IFACE_("Vertex Groups"), ICON_NONE);
uiItemR(layout, ptr, "use_mirror_udim", 0, IFACE_("Flip UDIM"), ICON_NONE);
}
static void panelRegister(ARegionType *region_type)
{
PanelType *panel_type = modifier_panel_register(region_type, eModifierType_Mirror, panel_draw);
modifier_subpanel_register(region_type, "data", "Data", nullptr, data_panel_draw, panel_type);
}
ModifierTypeInfo modifierType_Mirror = {
/*name*/ N_("Mirror"),
/*structName*/ "MirrorModifierData",
/*structSize*/ sizeof(MirrorModifierData),
/*srna*/ &RNA_MirrorModifier,
/*type*/ eModifierTypeType_Constructive,
/*flags*/ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping |
eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_EnableInEditmode |
eModifierTypeFlag_AcceptsCVs |
/* this is only the case when 'MOD_MIR_VGROUP' is used */
eModifierTypeFlag_UsesPreview,
/*icon*/ ICON_MOD_MIRROR,
/*copyData*/ BKE_modifier_copydata_generic,
/*deformVerts*/ nullptr,
/*deformMatrices*/ nullptr,
/*deformVertsEM*/ nullptr,
/*deformMatricesEM*/ nullptr,
/*modifyMesh*/ modifyMesh,
/*modifyGeometrySet*/ nullptr,
/*initData*/ initData,
/*requiredDataMask*/ nullptr,
/*freeData*/ nullptr,
/*isDisabled*/ nullptr,
/*updateDepsgraph*/ updateDepsgraph,
/*dependsOnTime*/ nullptr,
/*dependsOnNormals*/ nullptr,
/*foreachIDLink*/ foreachIDLink,
/*foreachTexLink*/ nullptr,
/*freeRuntimeData*/ nullptr,
/*panelRegister*/ panelRegister,
/*blendWrite*/ nullptr,
/*blendRead*/ nullptr,
};