/*
 * 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) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 */

/** \file
 * \ingroup editors
 */

#ifndef __ED_TRANSFORM_H__
#define __ED_TRANSFORM_H__

#ifdef __cplusplus
extern "C" {
#endif

/* ******************* Registration Function ********************** */

struct Object;
struct bContext;
struct wmKeyConfig;
struct wmMsgBus;
struct wmOperatorType;

void ED_keymap_transform(struct wmKeyConfig *keyconf);
void transform_operatortypes(void);

/* ******************** Macros & Prototypes *********************** */

/* MODE AND NUMINPUT FLAGS */
enum TfmMode {
  TFM_INIT = -1,
  TFM_DUMMY,
  TFM_TRANSLATION,
  TFM_ROTATION,
  TFM_RESIZE,
  TFM_SKIN_RESIZE,
  TFM_TOSPHERE,
  TFM_SHEAR,
  TFM_BEND,
  TFM_SHRINKFATTEN,
  TFM_TILT,
  TFM_TRACKBALL,
  TFM_PUSHPULL,
  TFM_CREASE,
  TFM_MIRROR,
  TFM_BONESIZE,
  TFM_BONE_ENVELOPE,
  TFM_CURVE_SHRINKFATTEN,
  TFM_MASK_SHRINKFATTEN,
  TFM_GPENCIL_SHRINKFATTEN,
  TFM_BONE_ROLL,
  TFM_TIME_TRANSLATE,
  TFM_TIME_SLIDE,
  TFM_TIME_SCALE,
  TFM_TIME_EXTEND,
  TFM_TIME_DUPLICATE,
  TFM_BAKE_TIME,
  TFM_DEPRECATED, /* was BEVEL */
  TFM_BWEIGHT,
  TFM_ALIGN,
  TFM_EDGE_SLIDE,
  TFM_VERT_SLIDE,
  TFM_SEQ_SLIDE,
  TFM_BONE_ENVELOPE_DIST,
  TFM_NORMAL_ROTATION,
  TFM_GPENCIL_OPACITY,
};

/* TRANSFORM CONTEXTS */
#define CTX_NONE 0
#define CTX_TEXTURE (1 << 0)
#define CTX_EDGE (1 << 1)
#define CTX_NO_PET (1 << 2)
#define CTX_NO_MIRROR (1 << 3)
#define CTX_AUTOCONFIRM (1 << 4)
#define CTX_MOVIECLIP (1 << 6)
#define CTX_MASK (1 << 7)
#define CTX_PAINT_CURVE (1 << 8)
#define CTX_GPENCIL_STROKES (1 << 9)
#define CTX_CURSOR (1 << 10)
/** When transforming object's, adjust the object data so it stays in the same place. */
#define CTX_OBMODE_XFORM_OBDATA (1 << 11)
/** Transform object parents without moving their children. */
#define CTX_OBMODE_XFORM_SKIP_CHILDREN (1 << 12)

/* Standalone call to get the transformation center corresponding to the current situation
 * returns 1 if successful, 0 otherwise (usually means there's no selection)
 * (if 0 is returns, *vec is unmodified)
 * */
bool calculateTransformCenter(struct bContext *C,
                              int centerMode,
                              float cent3d[3],
                              float cent2d[2]);

struct Object;
struct Scene;
struct wmGizmoGroup;
struct wmGizmoGroupType;

/* UNUSED */
// int BIF_snappingSupported(struct Object *obedit);

struct ReportList;
struct TransformOrientation;
struct bContext;

void BIF_clearTransformOrientation(struct bContext *C);
void BIF_removeTransformOrientation(struct bContext *C, struct TransformOrientation *ts);
void BIF_removeTransformOrientationIndex(struct bContext *C, int index);
bool BIF_createTransformOrientation(struct bContext *C,
                                    struct ReportList *reports,
                                    const char *name,
                                    const bool use_view,
                                    const bool activate,
                                    const bool overwrite);
void BIF_selectTransformOrientation(struct bContext *C, struct TransformOrientation *ts);

void ED_getTransformOrientationMatrix(const struct bContext *C,
                                      float orientation_mat[3][3],
                                      const short around);

int BIF_countTransformOrientation(const struct bContext *C);

/* to be able to add operator properties to other operators */

#define P_MIRROR (1 << 0)
#define P_MIRROR_DUMMY (P_MIRROR | (1 << 9))
#define P_PROPORTIONAL (1 << 1)
#define P_ORIENT_AXIS (1 << 2)
#define P_ORIENT_AXIS_ORTHO (1 << 16)
#define P_ORIENT_MATRIX (1 << 17)
#define P_SNAP (1 << 3)
#define P_GEO_SNAP (P_SNAP | (1 << 4))
#define P_ALIGN_SNAP (P_GEO_SNAP | (1 << 5))
#define P_CONSTRAINT (1 << 6)
#define P_OPTIONS (1 << 7)
#define P_CORRECT_UV (1 << 8)
#define P_NO_DEFAULTS (1 << 10)
#define P_NO_TEXSPACE (1 << 11)
#define P_CENTER (1 << 12)
#define P_GPENCIL_EDIT (1 << 13)
#define P_CURSOR_EDIT (1 << 14)
#define P_CLNOR_INVALIDATE (1 << 15)
/* For properties performed when confirming the transformation. */
#define P_POST_TRANSFORM (1 << 19)

void Transform_Properties(struct wmOperatorType *ot, int flags);

/* *** transform_orientations.c *** */
void ED_transform_calc_orientation_from_type(const struct bContext *C, float r_mat[3][3]);
short ED_transform_calc_orientation_from_type_ex(const struct bContext *C,
                                                 float r_mat[3][3],
                                                 /* extra args */
                                                 struct Scene *scene,
                                                 struct RegionView3D *rv3d,
                                                 struct Object *ob,
                                                 struct Object *obedit,
                                                 const short orientation_type,
                                                 int orientation_index_custom,
                                                 const int pivot_point);

/* transform gizmos */

void VIEW3D_GGT_xform_gizmo(struct wmGizmoGroupType *gzgt);
void VIEW3D_GGT_xform_gizmo_context(struct wmGizmoGroupType *gzgt);
void VIEW3D_GGT_xform_cage(struct wmGizmoGroupType *gzgt);
void VIEW3D_GGT_xform_shear(struct wmGizmoGroupType *gzgt);

/* *** transform_gizmo_extrude_3d.c *** */
void VIEW3D_GGT_xform_extrude(struct wmGizmoGroupType *gzgt);

/* Generic 2D transform gizmo callback assignment. */
void ED_widgetgroup_gizmo2d_xform_callbacks_set(struct wmGizmoGroupType *gzgt);
void ED_widgetgroup_gizmo2d_xform_no_cage_callbacks_set(struct wmGizmoGroupType *gzgt);
void ED_widgetgroup_gizmo2d_resize_callbacks_set(struct wmGizmoGroupType *gzgt);
void ED_widgetgroup_gizmo2d_rotate_callbacks_set(struct wmGizmoGroupType *gzgt);

#define SNAP_INCREMENTAL_ANGLE DEG2RAD(5.0)

struct TransformBounds {
  float center[3];      /* Center for transform widget. */
  float min[3], max[3]; /* Boundbox of selection for transform widget. */

  /* Normalized axis */
  float axis[3][3];
  float axis_min[3], axis_max[3];
};

struct TransformCalcParams {
  uint use_only_center : 1;
  uint use_local_axis : 1;
  /* Use 'Scene.orientation_type' when zero, otherwise subtract one and use. */
  ushort orientation_type;
  ushort orientation_index_custom;
};
int ED_transform_calc_gizmo_stats(const struct bContext *C,
                                  const struct TransformCalcParams *params,
                                  struct TransformBounds *tbounds);

#ifdef __cplusplus
}
#endif

#endif /* __ED_TRANSFORM_H__ */