transform_convert.hh

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "RE_engine.h"
 
#include "BKE_curves.hh"
 
#include "BLI_index_mask.hh"
 
struct BMEditMesh;
struct BMesh;
struct BezTriple;
struct ListBase;
struct Object;
struct TransData;
struct TransDataCurveHandleFlags;
struct TransInfo;
struct bContext;
struct Sequence;
 
struct TransConvertTypeInfo {
  int flags; /* #eTFlag. */

  void (*create_trans_data)(bContext *C, TransInfo *t);

  void (*recalc_data)(TransInfo *t);

  void (*special_aftertrans_update)(bContext *C, TransInfo *t);
};

struct TransDataEdgeSlideVert {
  TransData *td;
  blender::float3 dir_side[2]; /* Directional vectors on the sides. */
  float edge_len;              /* Distance between vectors. */
  int loop_nr;                 /* Number that identifies the group of connected edges. */
 
  const float *v_co_orig() const
  {
    return this->td->iloc;
  }
};

struct TransDataVertSlideVert {
  TransData *td;
  blender::Span<blender::float3> co_link_orig_3d; /* Target locations. */
  int co_link_curr;
 
  const float *co_orig_3d() const
  {
    return this->td->iloc;
  }
 
  const blender::float3 &co_dest_3d() const
  {
    return this->co_link_orig_3d[this->co_link_curr];
  }
};

struct CurvesTransformData {
  blender::IndexMaskMemory memory;
  blender::Vector<blender::IndexMask> selection_by_layer;

  blender::Vector<int> layer_offsets;

  blender::Vector<float> grease_pencil_falloffs;

  blender::Array<blender::float3> positions;
};
 
/* `transform_convert.cc` */

void transform_autoik_update(TransInfo *t, short mode);
int special_transform_moving(TransInfo *t);
void special_aftertrans_update(bContext *C, TransInfo *t);
void sort_trans_data_dist(TransInfo *t);
void create_trans_data(bContext *C, TransInfo *t);
void clipUVData(TransInfo *t);
void transform_convert_flush_handle2D(TransData *td, TransData2D *td2d, float y_fac);
void recalc_data(TransInfo *t);
 
/* `transform_convert_mesh.cc` */
 
void transform_convert_mesh_customdatacorrect_init(TransInfo *t);
 
/* `transform_convert_sequencer.cc` */
 
void transform_convert_sequencer_channel_clamp(TransInfo *t, float r_val[2]);
 
/********************* intern **********************/
 
/* `transform_convert.cc` */
 
bool transform_mode_use_local_origins(const TransInfo *t);
void transform_around_single_fallback_ex(TransInfo *t, int data_len_all);
void transform_around_single_fallback(TransInfo *t);
bool constraints_list_needinv(TransInfo *t, ListBase *list);
void calc_distanceCurveVerts(TransData *head, TransData *tail, bool cyclic);
TransDataCurveHandleFlags *initTransDataCurveHandles(TransData *td, BezTriple *bezt);
char transform_convert_frame_side_dir_get(TransInfo *t, float cframe);
bool FrameOnMouseSide(char side, float frame, float cframe);
void transform_convert_clip_mirror_modifier_apply(TransDataContainer *tc);
void animrecord_check_state(TransInfo *t, ID *id);
 
/* `transform_convert_curves.cc` */

void curve_populate_trans_data_structs(
    TransDataContainer &tc,
    blender::bke::CurvesGeometry &curves,
    const blender::float4x4 &transform,
    std::optional<blender::MutableSpan<float>> value_attribute,
    const blender::Span<blender::IndexMask> points_to_transform_indices,
    const blender::IndexMask &affected_curves,
    bool use_connected_only,
    const blender::IndexMask &bezier_curves,
    void *extra = nullptr);
 
CurvesTransformData *create_curves_transform_custom_data(TransCustomData &custom_data);
 
void copy_positions_from_curves_transform_custom_data(
    const TransCustomData &custom_data,
    const int layer,
    blender::MutableSpan<blender::float3> positions_dst);
 
/* `transform_convert_action.cc` */
 
extern TransConvertTypeInfo TransConvertType_Action;
 
/* `transform_convert_armature.cc` */
 
extern TransConvertTypeInfo TransConvertType_EditArmature;
extern TransConvertTypeInfo TransConvertType_Pose;

void transform_convert_pose_transflags_update(Object *ob, int mode, short around);
 
/* `transform_convert_cursor.cc` */
 
extern TransConvertTypeInfo TransConvertType_CursorImage;
extern TransConvertTypeInfo TransConvertType_CursorSequencer;
extern TransConvertTypeInfo TransConvertType_Cursor3D;
 
/* `transform_convert_curve.cc` */
 
extern TransConvertTypeInfo TransConvertType_Curve;
 
/* `transform_convert_curves.cc` */
 
extern TransConvertTypeInfo TransConvertType_Curves;
 
/* `transform_convert_graph.cc` */
 
extern TransConvertTypeInfo TransConvertType_Graph;
 
/* `transform_convert_gpencil_legacy.cc` */
 
extern TransConvertTypeInfo TransConvertType_GPencil;
 
/* `transform_convert_greasepencil.cc` */
 
extern TransConvertTypeInfo TransConvertType_GreasePencil;
 
/* `transform_convert_lattice.cc` */
 
extern TransConvertTypeInfo TransConvertType_Lattice;
 
/* `transform_convert_mask.cc` */
 
extern TransConvertTypeInfo TransConvertType_Mask;
 
/* `transform_convert_mball.cc` */
 
extern TransConvertTypeInfo TransConvertType_MBall;
 
/* `transform_convert_mesh.cc` */
 
extern TransConvertTypeInfo TransConvertType_Mesh;
 
struct TransIslandData {
  float (*center)[3];
  float (*axismtx)[3][3];
  int island_tot;
  int *island_vert_map;
};
 
struct MirrorDataVert {
  int index;
  int flag;
};
 
struct TransMirrorData {
  MirrorDataVert *vert_map;
  int mirror_elem_len;
};
 
struct TransMeshDataCrazySpace {
  float (*quats)[4];
  blender::Array<blender::float3x3, 0> defmats;
};
 
void transform_convert_mesh_islands_calc(BMEditMesh *em,
                                         bool calc_single_islands,
                                         bool calc_island_center,
                                         bool calc_island_axismtx,
                                         TransIslandData *r_island_data);
void transform_convert_mesh_islanddata_free(TransIslandData *island_data);
void transform_convert_mesh_connectivity_distance(BMesh *bm,
                                                  const float mtx[3][3],
                                                  float *dists,
                                                  int *index);
void transform_convert_mesh_mirrordata_calc(BMEditMesh *em,
                                            bool use_select,
                                            bool use_topology,
                                            const bool mirror_axis[3],
                                            TransMirrorData *r_mirror_data);
void transform_convert_mesh_mirrordata_free(TransMirrorData *mirror_data);
void transform_convert_mesh_crazyspace_detect(TransInfo *t,
                                              TransDataContainer *tc,
                                              BMEditMesh *em,
                                              TransMeshDataCrazySpace *r_crazyspace_data);
void transform_convert_mesh_crazyspace_transdata_set(const float mtx[3][3],
                                                     const float smtx[3][3],
                                                     const float defmat[3][3],
                                                     const float quat[4],
                                                     TransData *r_td);
void transform_convert_mesh_crazyspace_free(TransMeshDataCrazySpace *r_crazyspace_data);
 
blender::Array<TransDataVertSlideVert> transform_mesh_vert_slide_data_create(
    const TransDataContainer *tc, blender::Vector<blender::float3> &r_loc_dst_buffer);
 
blender::Array<TransDataEdgeSlideVert> transform_mesh_edge_slide_data_create(
    const TransDataContainer *tc, int *r_group_len);
 
/* `transform_convert_mesh_edge.cc` */
 
extern TransConvertTypeInfo TransConvertType_MeshEdge;
 
/* `transform_convert_mesh_skin.cc` */
 
extern TransConvertTypeInfo TransConvertType_MeshSkin;
 
/* `transform_convert_mesh_uv.cc` */
 
extern TransConvertTypeInfo TransConvertType_MeshUV;
 
blender::Array<TransDataVertSlideVert> transform_mesh_uv_vert_slide_data_create(
    const TransInfo *t,
    TransDataContainer *tc,
    blender::Vector<blender::float3> &r_loc_dst_buffer);
 
blender::Array<TransDataEdgeSlideVert> transform_mesh_uv_edge_slide_data_create(
    const TransInfo *t, TransDataContainer *tc, int *r_group_len);
 
/* `transform_convert_mesh_vert_cdata.cc` */
 
extern TransConvertTypeInfo TransConvertType_MeshVertCData;
 
/* `transform_convert_nla.cc` */
 
extern TransConvertTypeInfo TransConvertType_NLA;
 
/* `transform_convert_node.cc` */
 
extern TransConvertTypeInfo TransConvertType_Node;
 
/* `transform_convert_object.cc` */
 
extern TransConvertTypeInfo TransConvertType_Object;
 
/* `transform_convert_object_texspace.cc` */
 
extern TransConvertTypeInfo TransConvertType_ObjectTexSpace;
 
/* `transform_convert_paintcurve.cc` */
 
extern TransConvertTypeInfo TransConvertType_PaintCurve;
 
/* `transform_convert_particle.cc` */
 
extern TransConvertTypeInfo TransConvertType_Particle;
 
/* `transform_convert_sculpt.cc` */
 
extern TransConvertTypeInfo TransConvertType_Sculpt;
 
/* `transform_convert_sequencer.cc` */
 
extern TransConvertTypeInfo TransConvertType_Sequencer;
 
bool seq_transform_check_overlap(blender::Span<Sequence *> transformed_strips);
 
/* `transform_convert_sequencer_image.cc` */
 
extern TransConvertTypeInfo TransConvertType_SequencerImage;
 
/* `transform_convert_sequencer_retiming.cc` */
 
extern TransConvertTypeInfo TransConvertType_SequencerRetiming;
 
/* `transform_convert_tracking.cc` */
 
extern TransConvertTypeInfo TransConvertType_Tracking;
 
/* `transform_convert_tracking_curves.cc` */
 
extern TransConvertTypeInfo TransConvertType_TrackingCurves;