text: /*
   * 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 bke
   */
  
  /* NOTE:
   *
   * This file is no longer used to provide tools for the deprecated IPO system. Instead, it
   * is only used to house the conversion code to the new system.
   *
   * -- Joshua Leung, Jan 2009
   */
  
  #include <math.h>
  #include <stddef.h>
  #include <stdio.h>
  #include <string.h>
  
  /* since we have versioning code here */
  #define DNA_DEPRECATED_ALLOW
  
  #include "DNA_anim_types.h"
  #include "DNA_camera_types.h"
  #include "DNA_constraint_types.h"
  #include "DNA_ipo_types.h"
  #include "DNA_key_types.h"
  #include "DNA_light_types.h"
  #include "DNA_material_types.h"
  #include "DNA_nla_types.h"
  #include "DNA_object_types.h"
  #include "DNA_scene_types.h"
  #include "DNA_sequence_types.h"
  #include "DNA_world_types.h"
  
  #include "BLI_blenlib.h"
  #include "BLI_dynstr.h"
  #include "BLI_string_utils.h"
  #include "BLI_utildefines.h"
  
  #include "BLT_translation.h"
  
  #include "BKE_action.h"
  #include "BKE_anim_data.h"
  #include "BKE_fcurve.h"
  #include "BKE_fcurve_driver.h"
  #include "BKE_global.h"
  #include "BKE_idtype.h"
  #include "BKE_ipo.h"
  #include "BKE_key.h"
  #include "BKE_lib_id.h"
  #include "BKE_main.h"
  #include "BKE_nla.h"
  #include "BKE_sequencer.h"
  
  #include "CLG_log.h"
  
  #include "MEM_guardedalloc.h"
  
  #ifdef WIN32
  #  include "BLI_math_base.h" /* M_PI */
  #endif
  
  static CLG_LogRef LOG = {"bke.ipo"};
  
  static void ipo_free_data(ID *id)
  {
    Ipo *ipo = (Ipo *)id;
  
    IpoCurve *icu, *icn;
    int n = 0;
  
    for (icu = ipo->curve.first; icu; icu = icn) {
      icn = icu->next;
      n++;
  
      if (icu->bezt) {
        MEM_freeN(icu->bezt);
      }
      if (icu->bp) {
        MEM_freeN(icu->bp);
      }
      if (icu->driver) {
        MEM_freeN(icu->driver);
      }
  
      BLI_freelinkN(&ipo->curve, icu);
    }
  
    if (G.debug & G_DEBUG) {
      printf("Freed %d (Unconverted) Ipo-Curves from IPO '%s'\n", n, ipo->id.name + 2);
    }
  }
  
  IDTypeInfo IDType_ID_IP = {
      .id_code = ID_IP,
      .id_filter = 0,
      .main_listbase_index = INDEX_ID_IP,
      .struct_size = sizeof(Ipo),
      .name = "Ipo",
      .name_plural = "ipos",
      .translation_context = "",
      .flags = IDTYPE_FLAGS_NO_COPY | IDTYPE_FLAGS_NO_LIBLINKING | IDTYPE_FLAGS_NO_MAKELOCAL,
  
      .init_data = NULL,
      .copy_data = NULL,
      .free_data = ipo_free_data,
      .make_local = NULL,
      .foreach_id = NULL,
  };
  
  /* *************************************************** */
  /* Old-Data Freeing Tools */
  
  /* *************************************************** */
  /* ADRCODE to RNA-Path Conversion Code  - Special (Bitflags) */
  
  /* Mapping Table for bitflag <-> RNA path */
  typedef struct AdrBit2Path {
    int bit;
    const char *path;
    int array_index;
  } AdrBit2Path;
  
  /* ----------------- */
  /* Mapping Tables to use bits <-> RNA paths */
  
  /* Object layers */
  static AdrBit2Path ob_layer_bits[] = {
      {(1 << 0), "layers", 0},   {(1 << 1), "layers", 1},   {(1 << 2), "layers", 2},
      {(1 << 3), "layers", 3},   {(1 << 4), "layers", 4},   {(1 << 5), "layers", 5},
      {(1 << 6), "layers", 6},   {(1 << 7), "layers", 7},   {(1 << 8), "layers", 8},
      {(1 << 9), "layers", 9},   {(1 << 10), "layers", 10}, {(1 << 11), "layers", 11},
      {(1 << 12), "layers", 12}, {(1 << 13), "layers", 13}, {(1 << 14), "layers", 14},
      {(1 << 15), "layers", 15}, {(1 << 16), "layers", 16}, {(1 << 17), "layers", 17},
      {(1 << 18), "layers", 18}, {(1 << 19), "layers", 19},
  };
  
  /* ----------------- */
  
  /* quick macro for returning the appropriate array for adrcode_bitmaps_to_paths() */
  #define RET_ABP(items) \
    { \
      *tot = sizeof(items) / sizeof(AdrBit2Path); \
      return items; \
    } \
    (void)0
  
  /* This function checks if a Blocktype+Adrcode combo, returning a mapping table */
  static AdrBit2Path *adrcode_bitmaps_to_paths(int blocktype, int adrcode, int *tot)
  {
    /* Object layers */
    if ((blocktype == ID_OB) && (adrcode == OB_LAY)) {
      RET_ABP(ob_layer_bits);
    }
    // XXX TODO: add other types...
  
    /* Normal curve */
    return NULL;
  }
  #undef RET_ABP
  
  /* *************************************************** */
  /* ADRCODE to RNA-Path Conversion Code  - Standard */
  
  /* Object types */
  static const char *ob_adrcodes_to_paths(int adrcode, int *array_index)
  {
    /* set array index like this in-case nothing sets it correctly  */
    *array_index = 0;
  
    /* result depends on adrcode */
    switch (adrcode) {
      case OB_LOC_X:
        *array_index = 0;
        return "location";
      case OB_LOC_Y:
        *array_index = 1;
        return "location";
      case OB_LOC_Z:
        *array_index = 2;
        return "location";
      case OB_DLOC_X:
        *array_index = 0;
        return "delta_location";
      case OB_DLOC_Y:
        *array_index = 1;
        return "delta_location";
      case OB_DLOC_Z:
        *array_index = 2;
        return "delta_location";
  
      case OB_ROT_X:
        *array_index = 0;
        return "rotation_euler";
      case OB_ROT_Y:
        *array_index = 1;
        return "rotation_euler";
      case OB_ROT_Z:
        *array_index = 2;
        return "rotation_euler";
      case OB_DROT_X:
        *array_index = 0;
        return "delta_rotation_euler";
      case OB_DROT_Y:
        *array_index = 1;
        return "delta_rotation_euler";
      case OB_DROT_Z:
        *array_index = 2;
        return "delta_rotation_euler";
  
      case OB_SIZE_X:
        *array_index = 0;
        return "scale";
      case OB_SIZE_Y:
        *array_index = 1;
        return "scale";
      case OB_SIZE_Z:
        *array_index = 2;
        return "scale";
      case OB_DSIZE_X:
        *array_index = 0;
        return "delta_scale";
      case OB_DSIZE_Y:
        *array_index = 1;
        return "delta_scale";
      case OB_DSIZE_Z:
        *array_index = 2;
        return "delta_scale";
      case OB_COL_R:
        *array_index = 0;
        return "color";
      case OB_COL_G:
        *array_index = 1;
        return "color";
      case OB_COL_B:
        *array_index = 2;
        return "color";
      case OB_COL_A:
        *array_index = 3;
        return "color";
  #if 0
      case OB_PD_FSTR:
        if (ob->pd) {
          poin = &(ob->pd->f_strength);
        }
        break;
      case OB_PD_FFALL:
        if (ob->pd) {
          poin = &(ob->pd->f_power);
        }
        break;
      case OB_PD_SDAMP:
        if (ob->pd) {
          poin = &(ob->pd->pdef_damp);
        }
        break;
      case OB_PD_RDAMP:
        if (ob->pd) {
          poin = &(ob->pd->pdef_rdamp);
        }
        break;
      case OB_PD_PERM:
        if (ob->pd) {
          poin = &(ob->pd->pdef_perm);
        }
        break;
      case OB_PD_FMAXD:
        if (ob->pd) {
          poin = &(ob->pd->maxdist);
        }
        break;
  #endif
    }
  
    return NULL;
  }
  
  /* PoseChannel types
   * NOTE: pchan name comes from 'actname' added earlier...
   */
  static const char *pchan_adrcodes_to_paths(int adrcode, int *array_index)
  {
    /* set array index like this in-case nothing sets it correctly  */
    *array_index = 0;
  
    /* result depends on adrcode */
    switch (adrcode) {
      case AC_QUAT_W:
        *array_index = 0;
        return "rotation_quaternion";
      case AC_QUAT_X:
        *array_index = 1;
        return "rotation_quaternion";
      case AC_QUAT_Y:
        *array_index = 2;
        return "rotation_quaternion";
      case AC_QUAT_Z:
        *array_index = 3;
        return "rotation_quaternion";
  
      case AC_EUL_X:
        *array_index = 0;
        return "rotation_euler";
      case AC_EUL_Y:
        *array_index = 1;
        return "rotation_euler";
      case AC_EUL_Z:
        *array_index = 2;
        return "rotation_euler";
  
      case AC_LOC_X:
        *array_index = 0;
        return "location";
      case AC_LOC_Y:
        *array_index = 1;
        return "location";
      case AC_LOC_Z:
        *array_index = 2;
        return "location";
  
      case AC_SIZE_X:
        *array_index = 0;
        return "scale";
      case AC_SIZE_Y:
        *array_index = 1;
        return "scale";
      case AC_SIZE_Z:
        *array_index = 2;
        return "scale";
    }
  
    /* for debugging only */
    CLOG_ERROR(&LOG, "unmatched PoseChannel setting (code %d)", adrcode);
    return NULL;
  }
  
  /* Constraint types */
  static const char *constraint_adrcodes_to_paths(int adrcode, int *array_index)
  {
    /* set array index like this in-case nothing sets it correctly  */
    *array_index = 0;
  
    /* result depends on adrcode */
    switch (adrcode) {
      case CO_ENFORCE:
        return "influence";
      case CO_HEADTAIL:
        /* XXX this needs to be wrapped in RNA.. probably then this path will be invalid. */
        return "data.head_tail";
    }
  
    return NULL;
  }
  
  /* ShapeKey types
   * NOTE: as we don't have access to the keyblock where the data comes from (for now),
   *       we'll just use numerical indices for now...
   */
  static char *shapekey_adrcodes_to_paths(ID *id, int adrcode, int *UNUSED(array_index))
  {
    static char buf[128];
  
    /* block will be attached to ID_KE block... */
    if (adrcode == 0) {
      /* adrcode=0 was the misnamed "speed" curve (now "evaluation time") */
      BLI_strncpy(buf, "eval_time", sizeof(buf));
    }
    else {
      /* Find the name of the ShapeKey (i.e. KeyBlock) to look for */
      Key *key = (Key *)id;
      KeyBlock *kb = BKE_keyblock_from_key(key, adrcode);
  
      /* setting that we alter is the "value" (i.e. keyblock.curval) */
      if (kb) {
        /* Use the keyblock name, escaped, so that path lookups for this will work */
        BLI_snprintf(buf, sizeof(buf), "key_blocks[\"%s\"].value", kb->name);
      }
      else {
        /* Fallback - Use the adrcode as index directly, so that this can be manually fixed */
        BLI_snprintf(buf, sizeof(buf), "key_blocks[%d].value", adrcode);
      }
    }
    return buf;
  }
  
  /* MTex (Texture Slot) types */
  static const char *mtex_adrcodes_to_paths(int adrcode, int *UNUSED(array_index))
  {
    const char *base = NULL, *prop = NULL;
    static char buf[128];
  
    /* base part of path */
    if (adrcode & MA_MAP1) {
      base = "textures[0]";
    }
    else if (adrcode & MA_MAP2) {
      base = "textures[1]";
    }
    else if (adrcode & MA_MAP3) {
      base = "textures[2]";
    }
    else if (adrcode & MA_MAP4) {
      base = "textures[3]";
    }
    else if (adrcode & MA_MAP5) {
      base = "textures[4]";
    }
    else if (adrcode & MA_MAP6) {
      base = "textures[5]";
    }
    else if (adrcode & MA_MAP7) {
      base = "textures[6]";
    }
    else if (adrcode & MA_MAP8) {
      base = "textures[7]";
    }
    else if (adrcode & MA_MAP9) {
      base = "textures[8]";
    }
    else if (adrcode & MA_MAP10) {
      base = "textures[9]";
    }
    else if (adrcode & MA_MAP11) {
      base = "textures[10]";
    }
    else if (adrcode & MA_MAP12) {
      base = "textures[11]";
    }
    else if (adrcode & MA_MAP13) {
      base = "textures[12]";
    }
    else if (adrcode & MA_MAP14) {
      base = "textures[13]";
    }
    else if (adrcode & MA_MAP15) {
      base = "textures[14]";
    }
    else if (adrcode & MA_MAP16) {
      base = "textures[15]";
    }
    else if (adrcode & MA_MAP17) {
      base = "textures[16]";
    }
    else if (adrcode & MA_MAP18) {
      base = "textures[17]";
    }
  
    /* property identifier for path */
    adrcode = (adrcode & (MA_MAP1 - 1));
    switch (adrcode) {
  #if 0  // XXX these are not wrapped in RNA yet!
      case MAP_OFS_X:
        poin = &(mtex->ofs[0]);
        break;
      case MAP_OFS_Y:
        poin = &(mtex->ofs[1]);
        break;
      case MAP_OFS_Z:
        poin = &(mtex->ofs[2]);
        break;
      case MAP_SIZE_X:
        poin = &(mtex->size[0]);
        break;
      case MAP_SIZE_Y:
        poin = &(mtex->size[1]);
        break;
      case MAP_SIZE_Z:
        poin = &(mtex->size[2]);
        break;
      case MAP_R:
        poin = &(mtex->r);
        break;
      case MAP_G:
        poin = &(mtex->g);
        break;
      case MAP_B:
        poin = &(mtex->b);
        break;
      case MAP_DVAR:
        poin = &(mtex->def_var);
        break;
      case MAP_COLF:
        poin = &(mtex->colfac);
        break;
      case MAP_NORF:
        poin = &(mtex->norfac);
        break;
      case MAP_VARF:
        poin = &(mtex->varfac);
        break;
  #endif
      case MAP_DISP:
        prop = "warp_factor";
        break;
    }
  
    /* only build and return path if there's a property */
    if (prop) {
      BLI_snprintf(buf, 128, "%s.%s", base, prop);
      return buf;
    }
    else {
      return NULL;
    }
  }
  
  /* Texture types */
  static const char *texture_adrcodes_to_paths(int adrcode, int *array_index)
  {
    /* set array index like this in-case nothing sets it correctly  */
    *array_index = 0;
  
    /* result depends on adrcode */
    switch (adrcode) {
      case TE_NSIZE:
        return "noise_size";
      case TE_TURB:
        return "turbulence";
  
      case TE_NDEPTH:  // XXX texture RNA undefined
        // poin= &(tex->noisedepth); *type= IPO_SHORT; break;
        break;
      case TE_NTYPE:  // XXX texture RNA undefined
        // poin= &(tex->noisetype); *type= IPO_SHORT; break;
        break;
  
      case TE_N_BAS1:
        return "noise_basis";
      case TE_N_BAS2:
        return "noise_basis";  // XXX this is not yet defined in RNA...
  
      /* voronoi */
      case TE_VNW1:
        *array_index = 0;
        return "feature_weights";
      case TE_VNW2:
        *array_index = 1;
        return "feature_weights";
      case TE_VNW3:
        *array_index = 2;
        return "feature_weights";
      case TE_VNW4:
        *array_index = 3;
        return "feature_weights";
      case TE_VNMEXP:
        return "minkovsky_exponent";
      case TE_VN_DISTM:
        return "distance_metric";
      case TE_VN_COLT:
        return "color_type";
  
      /* distorted noise / voronoi */
      case TE_ISCA:
        return "noise_intensity";
  
      /* distorted noise */
      case TE_DISTA:
        return "distortion_amount";
  
      /* musgrave */
      case TE_MG_TYP:  // XXX texture RNA undefined
        //  poin= &(tex->stype); *type= IPO_SHORT; break;
        break;
      case TE_MGH:
        return "highest_dimension";
      case TE_MG_LAC:
        return "lacunarity";
      case TE_MG_OCT:
        return "octaves";
      case TE_MG_OFF:
        return "offset";
      case TE_MG_GAIN:
        return "gain";
  
      case TE_COL_R:
        *array_index = 0;
        return "rgb_factor";
      case TE_COL_G:
        *array_index = 1;
        return "rgb_factor";
      case TE_COL_B:
        *array_index = 2;
        return "rgb_factor";
  
      case TE_BRIGHT:
        return "brightness";
      case TE_CONTRA:
        return "contrast";
    }
  
    return NULL;
  }
  
  /* Material Types */
  static const char *material_adrcodes_to_paths(int adrcode, int *array_index)
  {
    /* set array index like this in-case nothing sets it correctly  */
    *array_index = 0;
  
    /* result depends on adrcode */
    switch (adrcode) {
      case MA_COL_R:
        *array_index = 0;
        return "diffuse_color";
      case MA_COL_G:
        *array_index = 1;
        return "diffuse_color";
      case MA_COL_B:
        *array_index = 2;
        return "diffuse_color";
  
      case MA_SPEC_R:
        *array_index = 0;
        return "specular_color";
      case MA_SPEC_G:
        *array_index = 1;
        return "specular_color";
      case MA_SPEC_B:
        *array_index = 2;
        return "specular_color";
  
      case MA_MIR_R:
        *array_index = 0;
        return "mirror_color";
      case MA_MIR_G:
        *array_index = 1;
        return "mirror_color";
      case MA_MIR_B:
        *array_index = 2;
        return "mirror_color";
  
      case MA_ALPHA:
        return "alpha";
  
      case MA_REF:
        return "diffuse_intensity";
  
      case MA_EMIT:
        return "emit";
  
      case MA_AMB:
        return "ambient";
  
      case MA_SPEC:
        return "specular_intensity";
  
      case MA_HARD:
        return "specular_hardness";
  
      case MA_SPTR:
        return "specular_opacity";
  
      case MA_IOR:
        return "ior";
  
      case MA_HASIZE:
        return "halo.size";
  
      case MA_TRANSLU:
        return "translucency";
  
      case MA_RAYM:
        return "raytrace_mirror.reflect";
  
      case MA_FRESMIR:
        return "raytrace_mirror.fresnel";
  
      case MA_FRESMIRI:
        return "raytrace_mirror.fresnel_factor";
  
      case MA_FRESTRA:
        return "raytrace_transparency.fresnel";
  
      case MA_FRESTRAI:
        return "raytrace_transparency.fresnel_factor";
  
      case MA_ADD:
        return "halo.add";
  
      default: /* for now, we assume that the others were MTex channels */
        return mtex_adrcodes_to_paths(adrcode, array_index);
    }
  
    return NULL;
  }
  
  /* Camera Types */
  static const char *camera_adrcodes_to_paths(int adrcode, int *array_index)
  {
    /* set array index like this in-case nothing sets it correctly  */
    *array_index = 0;
  
    /* result depends on adrcode */
    switch (adrcode) {
      case CAM_LENS:
  #if 0   /* XXX this cannot be resolved easily... \
           * perhaps we assume camera is perspective (works for most cases... */
        if (ca->type == CAM_ORTHO) {
          return "ortho_scale";
        }
        else {
          return "lens";
        }
  #else   // XXX lazy hack for now...
        return "lens";
  #endif  // XXX this cannot be resolved easily
  
      case CAM_STA:
        return "clip_start";
      case CAM_END:
        return "clip_end";
  
  #if 0   // XXX these are not defined in RNA
      case CAM_YF_APERT:
        poin = &(ca->YF_aperture);
        break;
      case CAM_YF_FDIST:
        poin = &(ca->dof_distance);
        break;
  #endif  // XXX these are not defined in RNA
  
      case CAM_SHIFT_X:
        return "shift_x";
      case CAM_SHIFT_Y:
        return "shift_y";
    }
  
    /* unrecognized adrcode, or not-yet-handled ones! */
    return NULL;
  }
  
  /* Light Types */
  static const char *light_adrcodes_to_paths(int adrcode, int *array_index)
  {
    /* set array index like this in-case nothing sets it correctly  */
    *array_index = 0;
  
    /* result depends on adrcode */
    switch (adrcode) {
      case LA_ENERGY:
        return "energy";
  
      case LA_COL_R:
        *array_index = 0;
        return "color";
      case LA_COL_G:
        *array_index = 1;
        return "color";
      case LA_COL_B:
        *array_index = 2;
        return "color";
  
      case LA_DIST:
        return "distance";
  
      case LA_SPOTSI:
        return "spot_size";
      case LA_SPOTBL:
        return "spot_blend";
  
      case LA_QUAD1:
        return "linear_attenuation";
      case LA_QUAD2:
        return "quadratic_attenuation";
  
      case LA_HALOINT:
        return "halo_intensity";
  
      default: /* for now, we assume that the others were MTex channels */
        return mtex_adrcodes_to_paths(adrcode, array_index);
    }
  
    /* unrecognized adrcode, or not-yet-handled ones! */
    return NULL;
  }
  
  /* Sound Types */
  static const char *sound_adrcodes_to_paths(int adrcode, int *array_index)
  {
    /* set array index like this in-case nothing sets it correctly  */
    *array_index = 0;
  
    /* result depends on adrcode */
    switch (adrcode) {
      case SND_VOLUME:
        return "volume";
      case SND_PITCH:
        return "pitch";
        /* XXX Joshua -- I had wrapped panning in rna,
         * but someone commented out, calling it "unused" */
  #if 0
      case SND_PANNING:
        return "panning";
  #endif
      case SND_ATTEN:
        return "attenuation";
    }
  
    /* unrecognized adrcode, or not-yet-handled ones! */
    return NULL;
  }
  
  /* World Types */
  static const char *world_adrcodes_to_paths(int adrcode, int *array_index)
  {
    /* set array index like this in-case nothing sets it correctly  */
    *array_index = 0;
  
    /* result depends on adrcode */
    switch (adrcode) {
      case WO_HOR_R:
        *array_index = 0;
        return "horizon_color";
      case WO_HOR_G:
        *array_index = 1;
        return "horizon_color";
      case WO_HOR_B:
        *array_index = 2;
        return "horizon_color";
      case WO_ZEN_R:
        *array_index = 0;
        return "zenith_color";
      case WO_ZEN_G:
        *array_index = 1;
        return "zenith_color";
      case WO_ZEN_B:
        *array_index = 2;
        return "zenith_color";
  
      case WO_EXPOS:
        return "exposure";
  
      case WO_MISI:
        return "mist.intensity";
      case WO_MISTDI:
        return "mist.depth";
      case WO_MISTSTA:
        return "mist.start";
      case WO_MISTHI:
        return "mist.height";
  
      default: /* for now, we assume that the others were MTex channels */
        return mtex_adrcodes_to_paths(adrcode, array_index);
    }
  
    return NULL;
  }
  
  /* Particle Types */
  static const char *particle_adrcodes_to_paths(int adrcode, int *array_index)
  {
    /* set array index like this in-case nothing sets it correctly  */
    *array_index = 0;
  
    /* result depends on adrcode */
    switch (adrcode) {
      case PART_CLUMP:
        return "settings.clump_factor";
      case PART_AVE:
        return "settings.angular_velocity_factor";
      case PART_SIZE:
        return "settings.particle_size";
      case PART_DRAG:
        return "settings.drag_factor";
      case PART_BROWN:
        return "settings.brownian_factor";
      case PART_DAMP:
        return "settings.damp_factor";
      case PART_LENGTH:
        return "settings.length";
      case PART_GRAV_X:
        *array_index = 0;
        return "settings.acceleration";
      case PART_GRAV_Y:
        *array_index = 1;
        return "settings.acceleration";
      case PART_GRAV_Z:
        *array_index = 2;
        return "settings.acceleration";
      case PART_KINK_AMP:
        return "settings.kink_amplitude";
      case PART_KINK_FREQ:
        return "settings.kink_frequency";
      case PART_KINK_SHAPE:
        return "settings.kink_shape";
      case PART_BB_TILT:
        return "settings.billboard_tilt";
  
        /* PartDeflect needs to be sorted out properly in rna_object_force;
         * If anyone else works on this, but is unfamiliar, these particular
         * settings reference the particles of the system themselves
         * being used as forces -- it will use the same rna structure
         * as the similar object forces */
  #if 0
      case PART_PD_FSTR:
        if (part->pd) {
          poin = &(part->pd->f_strength);
        }
        break;
      case PART_PD_FFALL:
        if (part->pd) {
          poin = &(part->pd->f_power);
        }
        break;
      case PART_PD_FMAXD:
        if (part->pd) {
          poin = &(part->pd->maxdist);
        }
        break;
      case PART_PD2_FSTR:
        if (part->pd2) {
          poin = &(part->pd2->f_strength);
        }
        break;
      case PART_PD2_FFALL:
        if (part->pd2) {
          poin = &(part->pd2->f_power);
        }
        break;
      case PART_PD2_FMAXD:
        if (part->pd2) {
          poin = &(part->pd2->maxdist);
        }
        break;
  #endif
    }
  
    return NULL;
  }
  
  /* ------- */
  
  /* Allocate memory for RNA-path for some property given a blocktype, adrcode,
   * and 'root' parts of path.
   *
   * Input:
   *     - id                      - the data-block that the curve's IPO block
   *                                 is attached to and/or which the new paths will start from
   *     - blocktype, adrcode      - determines setting to get
   *     - actname, constname, seq - used to build path
   * Output:
   *     - array_index             - index in property's array (if applicable) to use
   *     - return                  - the allocated path...
   */
  static char *get_rna_access(ID *id,
                              int blocktype,
                              int adrcode,
                              char actname[],
                              char constname[],
                              Sequence *seq,
                              int *array_index)
  {
    DynStr *path = BLI_dynstr_new();
    const char *propname = NULL;
    char *rpath = NULL;
    char buf[512];
    int dummy_index = 0;
  
    /* hack: if constname is set, we can only be dealing with an Constraint curve */
    if (constname) {
      blocktype = ID_CO;
    }
  
    /* get property name based on blocktype */
    switch (blocktype) {
      case ID_OB: /* object */
        propname = ob_adrcodes_to_paths(adrcode, &dummy_index);
        break;
  
      case ID_PO: /* pose channel */
        propname = pchan_adrcodes_to_paths(adrcode, &dummy_index);
        break;
  
      case ID_KE: /* shapekeys */
        propname = shapekey_adrcodes_to_paths(id, adrcode, &dummy_index);
        break;
  
      case ID_CO: /* constraint */
        propname = constraint_adrcodes_to_paths(adrcode, &dummy_index);
        break;
  
      case ID_TE: /* texture */
        propname = texture_adrcodes_to_paths(adrcode, &dummy_index);
        break;
  
      case ID_MA: /* material */
        propname = material_adrcodes_to_paths(adrcode, &dummy_index);
        break;
  
      case ID_CA: /* camera */
        propname = camera_adrcodes_to_paths(adrcode, &dummy_index);
        break;
  
      case ID_LA: /* light */
        propname = light_adrcodes_to_paths(adrcode, &dummy_index);
        break;
  
      case ID_SO: /* sound */
        propname = sound_adrcodes_to_paths(adrcode, &dummy_index);
        break;
  
      case ID_WO: /* world */
        propname = world_adrcodes_to_paths(adrcode, &dummy_index);
        break;
  
      case ID_PA: /* particle */
        propname = particle_adrcodes_to_paths(adrcode, &dummy_index);
        break;
  
      case ID_CU: /* curve */
        /* this used to be a 'dummy' curve which got evaluated on the fly...
         * now we've got real var for this!
         */
        propname = "eval_time";
        break;
  
      /* XXX problematic blocktypes */
      case ID_SEQ: /* sequencer strip */
        // SEQ_FAC1:
        switch (adrcode) {
          case SEQ_FAC1:
            propname = "effect_fader";
            break;
          case SEQ_FAC_SPEED:
            propname = "speed_fader";
            break;
          case SEQ_FAC_OPACITY:
            propname = "blend_opacity";
            break;
        }
        //  poin= &(seq->facf0); // XXX this doesn't seem to be included anywhere in sequencer RNA...
        break;
  
      /* special hacks */
      case -1:
        /* special case for rotdiff drivers... we don't need a property for this... */
        break;
  
      /* TODO... add other blocktypes... */
      default:
        CLOG_WARN(&LOG, "No path for blocktype %d, adrcode %d yet", blocktype, adrcode);
        break;
    }
  
    /* check if any property found
     * - blocktype < 0 is special case for a specific type of driver,
     *   where we don't need a property name...
     */
    if ((propname == NULL) && (blocktype > 0)) {
      /* nothing was found, so exit */
      if (array_index) {
        *array_index = 0;
      }
  
      BLI_dynstr_free(path);
  
      return NULL;
    }
    else {
      if (array_index) {
        *array_index = dummy_index;
      }
    }
  
    /* 'buf' _must_ be initialized in this block */
    /* append preceding bits to path */
    /* note, strings are not escapted and they should be! */
    if ((actname && actname[0]) && (constname && constname[0])) {
      /* Constraint in Pose-Channel */
      BLI_snprintf(buf, sizeof(buf), "pose.bones[\"%s\"].constraints[\"%s\"]", actname, constname);
    }
    else if (actname && actname[0]) {
      if ((blocktype == ID_OB) && STREQ(actname, "Object")) {
        /* Actionified "Object" IPO's... no extra path stuff needed */
        buf[0] = '\0'; /* empty string */
      }
      else if ((blocktype == ID_KE) && STREQ(actname, "Shape")) {
        /* Actionified "Shape" IPO's -
         * these are forced onto object level via the action container there... */
        strcpy(buf, "data.shape_keys");
      }
      else {
        /* Pose-Channel */
        BLI_snprintf(buf, sizeof(buf), "pose.bones[\"%s\"]", actname);
      }
    }
    else if (constname && constname[0]) {
      /* Constraint in Object */
      BLI_snprintf(buf, sizeof(buf), "constraints[\"%s\"]", constname);
    }
    else if (seq) {
      /* Sequence names in Scene */
      BLI_snprintf(buf, sizeof(buf), "sequence_editor.sequences_all[\"%s\"]", seq->name + 2);
    }
    else {
      buf[0] = '\0'; /* empty string */
    }
  
    BLI_dynstr_append(path, buf);
  
    /* need to add dot before property if there was anything preceding this */
    if (buf[0]) {
      BLI_dynstr_append(path, ".");
    }
  
    /* now write name of property */
    BLI_dynstr_append(path, propname);
  
    /* if there was no array index pointer provided, add it to the path */
    if (array_index == NULL) {
      BLI_snprintf(buf, sizeof(buf), "[\"%d\"]", dummy_index);
      BLI_dynstr_append(path, buf);
    }
  
    /* convert to normal MEM_malloc'd string */
    rpath = BLI_dynstr_get_cstring(path);
    BLI_dynstr_free(path);
  
    /* return path... */
    return rpath;
  }
  
  /* *************************************************** */
  /* Conversion Utilities */
  
  /* Convert adrcodes to driver target transform channel types */
  static short adrcode_to_dtar_transchan(short adrcode)
  {
    switch (adrcode) {
      case OB_LOC_X:
        return DTAR_TRANSCHAN_LOCX;
      case OB_LOC_Y:
        return DTAR_TRANSCHAN_LOCY;
      case OB_LOC_Z:
        return DTAR_TRANSCHAN_LOCZ;
  
      case OB_ROT_X:
        return DTAR_TRANSCHAN_ROTX;
      case OB_ROT_Y:
        return DTAR_TRANSCHAN_ROTY;
      case OB_ROT_Z:
        return DTAR_TRANSCHAN_ROTZ;
  
      case OB_SIZE_X:
        return DTAR_TRANSCHAN_SCALEX;
      case OB_SIZE_Y:
        return DTAR_TRANSCHAN_SCALEX;
      case OB_SIZE_Z:
        return DTAR_TRANSCHAN_SCALEX;
  
      default:
        return 0;
    }
  }
  
  /* Convert IpoDriver to ChannelDriver - will free the old data (i.e. the old driver) */
  static ChannelDriver *idriver_to_cdriver(IpoDriver *idriver)
  {
    ChannelDriver *cdriver;
  
    /* allocate memory for new driver */
    cdriver = MEM_callocN(sizeof(ChannelDriver), "ChannelDriver");
  
    /* if 'pydriver', just copy data across */
    if (idriver->type == IPO_DRIVER_TYPE_PYTHON) {
      /* PyDriver only requires the expression to be copied */
      // FIXME: expression will be useless due to API changes, but at least not totally lost
      cdriver->type = DRIVER_TYPE_PYTHON;
      if (idriver->name[0]) {
        BLI_strncpy(cdriver->expression, idriver->name, sizeof(cdriver->expression));
      }
    }
    else {
      DriverVar *dvar = NULL;
      DriverTarget *dtar = NULL;
  
      /* this should be ok for all types here... */
      cdriver->type = DRIVER_TYPE_AVERAGE;
  
      /* what to store depends on the 'blocktype' - object or posechannel */
      if (idriver->blocktype == ID_AR) { /* PoseChannel */
        if (idriver->adrcode == OB_ROT_DIFF) {
          /* Rotational Difference requires a special type of variable */
          dvar = driver_add_new_variable(cdriver);
          driver_change_variable_type(dvar, DVAR_TYPE_ROT_DIFF);
  
          /* first bone target */
          dtar = &dvar->targets[0];
          dtar->id = (ID *)idriver->ob;
          dtar->idtype = ID_OB;
          if (idriver->name[0]) {
            BLI_strncpy(dtar->pchan_name, idriver->name, sizeof(dtar->pchan_name));
          }
  
          /* second bone target (name was stored in same var as the first one) */
          dtar = &dvar->targets[1];
          dtar->id = (ID *)idriver->ob;
          dtar->idtype = ID_OB;
          if (idriver->name[0]) {  // xxx... for safety
            BLI_strncpy(
                dtar->pchan_name, idriver->name + DRIVER_NAME_OFFS, sizeof(dtar->pchan_name));
          }
        }
        else {
          /* only a single variable, of type 'transform channel' */
          dvar = driver_add_new_variable(cdriver);
          driver_change_variable_type(dvar, DVAR_TYPE_TRANSFORM_CHAN);
  
          /* only requires a single target */
          dtar = &dvar->targets[0];
          dtar->id = (ID *)idriver->ob;
          dtar->idtype = ID_OB;
          if (idriver->name[0]) {
            BLI_strncpy(dtar->pchan_name, idriver->name, sizeof(dtar->pchan_name));
          }
          dtar->transChan = adrcode_to_dtar_transchan(idriver->adrcode);
          dtar->flag |= DTAR_FLAG_LOCALSPACE; /* old drivers took local space */
        }
      }
      else { /* Object */
             /* only a single variable, of type 'transform channel' */
        dvar = driver_add_new_variable(cdriver);
        driver_change_variable_type(dvar, DVAR_TYPE_TRANSFORM_CHAN);
  
        /* only requires single target */
        dtar = &dvar->targets[0];
        dtar->id = (ID *)idriver->ob;
        dtar->idtype = ID_OB;
        dtar->transChan = adrcode_to_dtar_transchan(idriver->adrcode);
      }
    }
  
    /* return the new one */
    return cdriver;
  }
  
  /* Add F-Curve to the correct list
   * - grpname is needed to be used as group name where relevant, and is usually derived from actname
   */
  static void fcurve_add_to_list(
      ListBase *groups, ListBase *list, FCurve *fcu, char *grpname, int muteipo)
  {
    /* If we're adding to an action, we will have groups to write to... */
    if (groups && grpname) {
      /* wrap the pointers given into a dummy action that we pass to the API func
       * and extract the resultant lists...
       */
      bAction tmp_act;
      bActionGroup *agrp = NULL;
  
      /* init the temp action */
      memset(&tmp_act, 0, sizeof(bAction));  // XXX only enable this line if we get errors
      tmp_act.groups.first = groups->first;
      tmp_act.groups.last = groups->last;
      tmp_act.curves.first = list->first;
      tmp_act.curves.last = list->last;
      /* ... xxx, the other vars don't need to be filled in */
  
      /* get the group to use */
      agrp = BKE_action_group_find_name(&tmp_act, grpname);
      /* no matching group, so add one */
      if (agrp == NULL) {
        /* Add a new group, and make it active */
        agrp = MEM_callocN(sizeof(bActionGroup), "bActionGroup");
  
        agrp->flag = AGRP_SELECTED;
        if (muteipo) {
          agrp->flag |= AGRP_MUTED;
        }
  
        BLI_strncpy(agrp->name, grpname, sizeof(agrp->name));
  
        BLI_addtail(&tmp_act.groups, agrp);
        BLI_uniquename(&tmp_act.groups,
                       agrp,
                       DATA_("Group"),
                       '.',
                       offsetof(bActionGroup, name),
                       sizeof(agrp->name));
      }
  
      /* add F-Curve to group */
      /* WARNING: this func should only need to look at the stuff we initialized,
       * if not, things may crash. */
      action_groups_add_channel(&tmp_act, agrp, fcu);
  
      if (agrp->flag & AGRP_MUTED) { /* flush down */
        fcu->flag |= FCURVE_MUTED;
      }
  
      /* set the output lists based on the ones in the temp action */
      groups->first = tmp_act.groups.first;
      groups->last = tmp_act.groups.last;
      list->first = tmp_act.curves.first;
      list->last = tmp_act.curves.last;
    }
    else {
      /* simply add the F-Curve to the end of the given list */
      BLI_addtail(list, fcu);
    }
  }
  
  /**
   * Convert IPO-Curve to F-Curve (including Driver data), and free any of the old data that
   * is not relevant, BUT do not free the IPO-Curve itself...
   *
   * \param actname: name of Action-Channel (if applicable) that IPO-Curve's IPO-block belonged to.
   * \param constname: name of Constraint-Channel (if applicable)
   * that IPO-Curve's IPO-block belonged to \a seq.
   * \param seq: sequencer-strip (if applicable) that IPO-Curve's IPO-block belonged to.
   */
  static void icu_to_fcurves(ID *id,
                             ListBase *groups,
                             ListBase *list,
                             IpoCurve *icu,
                             char *actname,
                             char *constname,
                             Sequence *seq,
                             int muteipo)
  {
    AdrBit2Path *abp;
    FCurve *fcu;
    int totbits;
  
    /* allocate memory for a new F-Curve */
    fcu = MEM_callocN(sizeof(FCurve), "FCurve");
  
    /* convert driver */
    if (icu->driver) {
      fcu->driver = idriver_to_cdriver(icu->driver);
    }
  
    /* copy flags */
    if (icu->flag & IPO_VISIBLE) {
      fcu->flag |= FCURVE_VISIBLE;
    }
    if (icu->flag & IPO_SELECT) {
      fcu->flag |= FCURVE_SELECTED;
    }
    if (icu->flag & IPO_ACTIVE) {
      fcu->flag |= FCURVE_ACTIVE;
    }
    if (icu->flag & IPO_MUTE) {
      fcu->flag |= FCURVE_MUTED;
    }
    if (icu->flag & IPO_PROTECT) {
      fcu->flag |= FCURVE_PROTECTED;
    }
  
    /* set extrapolation */
    switch (icu->extrap) {
      case IPO_HORIZ: /* constant extrapolation */
      case IPO_DIR:   /* linear extrapolation */
      {
        /* just copy, as the new defines match the old ones... */
        fcu->extend = icu->extrap;
        break;
      }
      case IPO_CYCL:  /* cyclic extrapolation */
      case IPO_CYCLX: /* cyclic extrapolation + offset */
      {
        /* Add a new FModifier (Cyclic) instead of setting extend value
         * as that's the new equivalent of that option.
         */
        FModifier *fcm = add_fmodifier(&fcu->modifiers, FMODIFIER_TYPE_CYCLES, fcu);
        FMod_Cycles *data = (FMod_Cycles *)fcm->data;
  
        /* if 'offset' one is in use, set appropriate settings */
        if (icu->extrap == IPO_CYCLX) {
          data->before_mode = data->after_mode = FCM_EXTRAPOLATE_CYCLIC_OFFSET;
        }
        else {
          data->before_mode = data->after_mode = FCM_EXTRAPOLATE_CYCLIC;
        }
        break;
      }
    }
  
    /* -------- */
  
    /* get adrcode <-> bitflags mapping to handle nasty bitflag curves? */
    abp = adrcode_bitmaps_to_paths(icu->blocktype, icu->adrcode, &totbits);
    if (abp && totbits) {
      FCurve *fcurve;
      int b;
  
      if (G.debug & G_DEBUG) {
        printf("\tconvert bitflag ipocurve, totbits = %d\n", totbits);
      }
  
      /* add the 'only int values' flag */
      fcu->flag |= (FCURVE_INT_VALUES | FCURVE_DISCRETE_VALUES);
  
      /* for each bit we have to remap + check for:
       * 1) we need to make copy the existing F-Curve data (fcu -> fcurve),
       *    except for the last one which will use the original
       * 2) copy the relevant path info across
       * 3) filter the keyframes for the flag of interest
       */
      for (b = 0; b < totbits; b++, abp++) {
        unsigned int i = 0;
  
        /* make a copy of existing base-data if not the last curve */
        if (b < (totbits - 1)) {
          fcurve = copy_fcurve(fcu);
        }
        else {
          fcurve = fcu;
        }
  
        /* set path */
        fcurve->rna_path = BLI_strdup(abp->path);
        fcurve->array_index = abp->array_index;
  
        /* Convert keyframes:
         * - Beztriples and bpoints are mutually exclusive,
         *   so we won't have both at the same time.
         * - Beztriples are more likely to be encountered as they are keyframes
         *   (the other type wasn't used yet).
         */
        fcurve->totvert = icu->totvert;
  
        if (icu->bezt) {
          BezTriple *dst, *src;
  
          /* allocate new array for keyframes/beztriples */
          fcurve->bezt = MEM_callocN(sizeof(BezTriple) * fcurve->totvert, "BezTriples");
  
          /* loop through copying all BezTriples individually, as we need to modify a few things */
          for (dst = fcurve->bezt, src = icu->bezt, i = 0; i < fcurve->totvert; i++, dst++, src++) {
            /* firstly, copy BezTriple data */
            *dst = *src;
  
            /* interpolation can only be constant... */
            dst->ipo = BEZT_IPO_CONST;
  
            /* 'hide' flag is now used for keytype - only 'keyframes' existed before */
            dst->hide = BEZT_KEYTYPE_KEYFRAME;
  
            /* auto-handles - per curve to per handle */
            if (icu->flag & IPO_AUTO_HORIZ) {
              if (dst->h1 == HD_AUTO) {
                dst->h1 = HD_AUTO_ANIM;
              }
              if (dst->h2 == HD_AUTO) {
                dst->h2 = HD_AUTO_ANIM;
              }
            }
  
            /* correct values, by checking if the flag of interest is set */
            if (((int)(dst->vec[1][1])) & (abp->bit)) {
              dst->vec[0][1] = dst->vec[1][1] = dst->vec[2][1] = 1.0f;
            }
            else {
              dst->vec[0][1] = dst->vec[1][1] = dst->vec[2][1] = 0.0f;
            }
          }
        }
        else if (icu->bp) {
          /* TODO: need to convert from BPoint type to the more compact FPoint type...
           * but not priority, since no data used this. */
          // BPoint *bp;
          // FPoint *fpt;
        }
  
        /* add new F-Curve to list */
        fcurve_add_to_list(groups, list, fcurve, actname, muteipo);
      }
    }
    else {
      unsigned int i = 0;
  
      /* get rna-path
       * - we will need to set the 'disabled' flag if no path is able to be made (for now)
       */
      fcu->rna_path = get_rna_access(
          id, icu->blocktype, icu->adrcode, actname, constname, seq, &fcu->array_index);
      if (fcu->rna_path == NULL) {
        fcu->flag |= FCURVE_DISABLED;
      }
  
      /* Convert keyframes:
       * - Beztriples and bpoints are mutually exclusive, so we won't have both at the same time.
       * - Beztriples are more likely to be encountered as they are keyframes
       *   (the other type wasn't used yet).
       */
      fcu->totvert = icu->totvert;
  
      if (icu->bezt) {
        BezTriple *dst, *src;
  
        /* allocate new array for keyframes/beztriples */
        fcu->bezt = MEM_callocN(sizeof(BezTriple) * fcu->totvert, "BezTriples");
  
        /* loop through copying all BezTriples individually, as we need to modify a few things */
        for (dst = fcu->bezt, src = icu->bezt, i = 0; i < fcu->totvert; i++, dst++, src++) {
          /* firstly, copy BezTriple data */
          *dst = *src;
  
          /* now copy interpolation from curve (if not already set) */
          if (icu->ipo != IPO_MIXED) {
            dst->ipo = icu->ipo;
          }
  
          /* 'hide' flag is now used for keytype - only 'keyframes' existed before */
          dst->hide = BEZT_KEYTYPE_KEYFRAME;
  
          /* auto-handles - per curve to per handle */
          if (icu->flag & IPO_AUTO_HORIZ) {
            if (dst->h1 == HD_AUTO) {
              dst->h1 = HD_AUTO_ANIM;
            }
            if (dst->h2 == HD_AUTO) {
              dst->h2 = HD_AUTO_ANIM;
            }
          }
  
          /* correct values for euler rotation curves
           * - they were degrees/10
           * - we need radians for RNA to do the right thing
           */
          if (((icu->blocktype == ID_OB) && ELEM(icu->adrcode, OB_ROT_X, OB_ROT_Y, OB_ROT_Z)) ||
              ((icu->blocktype == ID_PO) && ELEM(icu->adrcode, AC_EUL_X, AC_EUL_Y, AC_EUL_Z))) {
            const float fac = (float)M_PI / 18.0f;  // 10.0f * M_PI/180.0f;
  
            dst->vec[0][1] *= fac;
            dst->vec[1][1] *= fac;
            dst->vec[2][1] *= fac;
          }
  
          /* correct values for path speed curves
           * - their values were 0-1
           * - we now need as 'frames'
           */
          if ((id) && (icu->blocktype == GS(id->name)) &&
              (fcu->rna_path && STREQ(fcu->rna_path, "eval_time"))) {
            Curve *cu = (Curve *)id;
  
            dst->vec[0][1] *= cu->pathlen;
            dst->vec[1][1] *= cu->pathlen;
            dst->vec[2][1] *= cu->pathlen;
          }
  
          /* correct times for rotation drivers
           * - need to go from degrees to radians...
           * - there's only really 1 target to worry about
           * - were also degrees/10
           */
          if (fcu->driver && fcu->driver->variables.first) {
            DriverVar *dvar = fcu->driver->variables.first;
            DriverTarget *dtar = &dvar->targets[0];
  
            if (ELEM(dtar->transChan,
                     DTAR_TRANSCHAN_ROTX,
                     DTAR_TRANSCHAN_ROTY,
                     DTAR_TRANSCHAN_ROTZ)) {
              const float fac = (float)M_PI / 18.0f;
  
              dst->vec[0][0] *= fac;
              dst->vec[1][0] *= fac;
              dst->vec[2][0] *= fac;
            }
          }
  
          /* correct values for sequencer curves, that were not locked to frame */
          if (seq && (seq->flag & SEQ_IPO_FRAME_LOCKED) == 0) {
            const float mul = (seq->enddisp - seq->startdisp) / 100.0f;
            const float offset = seq->startdisp;
  
            dst->vec[0][0] *= mul;
            dst->vec[0][0] += offset;
  
            dst->vec[1][0] *= mul;
            dst->vec[1][0] += offset;
  
            dst->vec[2][0] *= mul;
            dst->vec[2][0] += offset;
          }
        }
      }
      else if (icu->bp) {
        /* TODO: need to convert from BPoint type to the more compact FPoint type...
         * but not priority, since no data used this */
        // BPoint *bp;
        // FPoint *fpt;
      }
  
      /* add new F-Curve to list */
      fcurve_add_to_list(groups, list, fcu, actname, muteipo);
    }
  }
  
  /* ------------------------- */
  
  /* Convert IPO-block (i.e. all its IpoCurves) to the new system.
   * This does not assume that any ID or AnimData uses it, but does assume that
   * it is given two lists, which it will perform driver/animation-data separation.
   */
  static void ipo_to_animato(ID *id,
                             Ipo *ipo,
                             char actname[],
                             char constname[],
                             Sequence *seq,
                             ListBase *animgroups,
                             ListBase *anim,
                             ListBase *drivers)
  {
    IpoCurve *icu;
  
    /* sanity check */
    if (ELEM(NULL, ipo, anim, drivers)) {
      return;
    }
  
    if (G.debug & G_DEBUG) {
      printf("ipo_to_animato\n");
    }
  
    /* validate actname and constname
     * - clear actname if it was one of the generic <builtin> ones (i.e. 'Object', or 'Shapes')
     * - actname can then be used to assign F-Curves in Action to Action Groups
     *   (i.e. thus keeping the benefits that used to be provided by Action Channels for grouping
     *   F-Curves for bones). This may be added later... for now let's just dump without them...
     */
    if (actname) {
      if ((ipo->blocktype == ID_OB) && STREQ(actname, "Object")) {
        actname = NULL;
      }
      else if ((ipo->blocktype == ID_OB) && STREQ(actname, "Shape")) {
        actname = NULL;
      }
    }
  
    /* loop over IPO-Curves, freeing as we progress */
    for (icu = ipo->curve.first; icu; icu = icu->next) {
      /* Since an IPO-Curve may end up being made into many F-Curves (i.e. bitflag curves),
       * we figure out the best place to put the channel,
       * then tell the curve-converter to just dump there. */
      if (icu->driver) {
        /* Blender 2.4x allowed empty drivers,
         * but we don't now, since they cause more trouble than they're worth. */
        if ((icu->driver->ob) || (icu->driver->type == IPO_DRIVER_TYPE_PYTHON)) {
          icu_to_fcurves(id, NULL, drivers, icu, actname, constname, seq, ipo->muteipo);
        }
        else {
          MEM_freeN(icu->driver);
          icu->driver = NULL;
        }
      }
      else {
        icu_to_fcurves(id, animgroups, anim, icu, actname, constname, seq, ipo->muteipo);
      }
    }
  
    /* if this IPO block doesn't have any users after this one, free... */
    id_us_min(&ipo->id);
    if (ID_REAL_USERS(ipo) <= 0) {
      IpoCurve *icn;
  
      for (icu = ipo->curve.first; icu; icu = icn) {
        icn = icu->next;
  
        /* free driver */
        if (icu->driver) {
          MEM_freeN(icu->driver);
        }
  
        /* free old data of curve now that it's no longer needed for converting any more curves */
        if (icu->bezt) {
          MEM_freeN(icu->bezt);
        }
        if (icu->bp) {
          MEM_freeN(icu->bezt);
        }
  
        /* free this IPO-Curve */
        BLI_freelinkN(&ipo->curve, icu);
      }
    }
  }
  
  /* Convert Action-block to new system, separating animation and drivers
   * New curves may not be converted directly into the given Action (i.e. for Actions linked
   * to Objects, where ob->ipo and ob->action need to be combined).
   * NOTE: we need to be careful here, as same data-structs are used for new system too!
   */
  static void action_to_animato(
      ID *id, bAction *act, ListBase *groups, ListBase *curves, ListBase *drivers)
  {
    bActionChannel *achan, *achann;
    bConstraintChannel *conchan, *conchann;
  
    /* only continue if there are Action Channels (indicating unconverted data) */
    if (BLI_listbase_is_empty(&act->chanbase)) {
      return;
    }
  
    /* get rid of all Action Groups */
    // XXX this is risky if there's some old + some new data in the Action...
    if (act->groups.first) {
      BLI_freelistN(&act->groups);
    }
  
    /* loop through Action-Channels, converting data, freeing as we go */
    for (achan = act->chanbase.first; achan; achan = achann) {
      /* get pointer to next Action Channel */
      achann = achan->next;
  
      /* convert Action Channel's IPO data */
      if (achan->ipo) {
        ipo_to_animato(id, achan->ipo, achan->name, NULL, NULL, groups, curves, drivers);
        id_us_min(&achan->ipo->id);
        achan->ipo = NULL;
      }
  
      /* convert constraint channel IPO-data */
      for (conchan = achan->constraintChannels.first; conchan; conchan = conchann) {
        /* get pointer to next Constraint Channel */
        conchann = conchan->next;
  
        /* convert Constraint Channel's IPO data */
        if (conchan->ipo) {
          ipo_to_animato(
              id, conchan->ipo, achan->name, conchan->name, NULL, groups, curves, drivers);
          id_us_min(&conchan->ipo->id);
          conchan->ipo = NULL;
        }
  
        /* free Constraint Channel */
        BLI_freelinkN(&achan->constraintChannels, conchan);
      }
  
      /* free Action Channel */
      BLI_freelinkN(&act->chanbase, achan);
    }
  }
  
  /* ------------------------- */
  
  /* Convert IPO-block (i.e. all its IpoCurves) for some ID to the new system
   * This assumes that AnimData has been added already. Separation of drivers
   * from animation data is accomplished here too...
   */
  static void ipo_to_animdata(
      Main *bmain, ID *id, Ipo *ipo, char actname[], char constname[], Sequence *seq)
  {
    AnimData *adt = BKE_animdata_from_id(id);
    ListBase anim = {NULL, NULL};
    ListBase drivers = {NULL, NULL};
  
    /* sanity check */
    if (ELEM(NULL, id, ipo)) {
      return;
    }
    if (adt == NULL) {
      CLOG_ERROR(&LOG, "adt invalid");
      return;
    }
  
    if (G.debug & G_DEBUG) {
      printf("ipo to animdata - ID:%s, IPO:%s, actname:%s constname:%s seqname:%s  curves:%d\n",
             id->name + 2,
             ipo->id.name + 2,
             (actname) ? actname : "<None>",
             (constname) ? constname : "<None>",
             (seq) ? (seq->name + 2) : "<None>",
             BLI_listbase_count(&ipo->curve));
    }
  
    /* Convert curves to animato system
     * (separated into separate lists of F-Curves for animation and drivers),
     * and the try to put these lists in the right places, but do not free the lists here. */
    // XXX there shouldn't be any need for the groups, so don't supply pointer for that now...
    ipo_to_animato(id, ipo, actname, constname, seq, NULL, &anim, &drivers);
  
    /* deal with animation first */
    if (anim.first) {
      if (G.debug & G_DEBUG) {
        printf("\thas anim\n");
      }
      /* try to get action */
      if (adt->action == NULL) {
        char nameBuf[MAX_ID_NAME];
  
        BLI_snprintf(nameBuf, sizeof(nameBuf), "CDA:%s", ipo->id.name + 2);
  
        adt->action = BKE_action_add(bmain, nameBuf);
        if (G.debug & G_DEBUG) {
          printf("\t\tadded new action - '%s'\n", nameBuf);
        }
      }
  
      /* add F-Curves to action */
      BLI_movelisttolist(&adt->action->curves, &anim);
    }
  
    /* deal with drivers */
    if (drivers.first) {
      if (G.debug & G_DEBUG) {
        printf("\thas drivers\n");
      }
      /* add drivers to end of driver stack */
      BLI_movelisttolist(&adt->drivers, &drivers);
    }
  }
  
  /* Convert Action-block to new system
   * NOTE: we need to be careful here, as same data-structs are used for new system too!
   */
  static void action_to_animdata(ID *id, bAction *act)
  {
    AnimData *adt = BKE_animdata_from_id(id);
  
    /* only continue if there are Action Channels (indicating unconverted data) */
    if (ELEM(NULL, adt, act->chanbase.first)) {
      return;
    }
  
    /* check if we need to set this Action as the AnimData's action */
    if (adt->action == NULL) {
      /* set this Action as AnimData's Action */
      if (G.debug & G_DEBUG) {
        printf("act_to_adt - set adt action to act\n");
      }
      adt->action = act;
    }
  
    /* convert Action data */
    action_to_animato(id, act, &adt->action->groups, &adt->action->curves, &adt->drivers);
  }
  
  /* ------------------------- */
  
  /* TODO:
   * - NLA group duplicators info
   * - NLA curve/stride modifiers... */
  
  /* Convert NLA-Strip to new system */
  static void nlastrips_to_animdata(ID *id, ListBase *strips)
  {
    AnimData *adt = BKE_animdata_from_id(id);
    NlaTrack *nlt = NULL;
    NlaStrip *strip;
    bActionStrip *as, *asn;
  
    /* for each one of the original strips, convert to a new strip and free the old... */
    for (as = strips->first; as; as = asn) {
      asn = as->next;
  
      /* this old strip is only worth something if it had an action... */
      if (as->act) {
        /* convert Action data (if not yet converted), storing the results in the same Action */
        action_to_animato(id, as->act, &as->act->groups, &as->act->curves, &adt->drivers);
  
        /* Create a new-style NLA-strip which references this Action,
         * then copy over relevant settings. */
        {
          /* init a new strip, and assign the action to it
           * - no need to muck around with the user-counts, since this is just
           *   passing over the ref to the new owner, not creating an additional ref
           */
          strip = MEM_callocN(sizeof(NlaStrip), "NlaStrip");
          strip->act = as->act;
  
          /* endpoints */
          strip->start = as->start;
          strip->end = as->end;
          strip->actstart = as->actstart;
          strip->actend = as->actend;
  
          /* action reuse */
          strip->repeat = as->repeat;
          strip->scale = as->scale;
          if (as->flag & ACTSTRIP_LOCK_ACTION) {
            strip->flag |= NLASTRIP_FLAG_SYNC_LENGTH;
          }
  
          /* blending */
          strip->blendin = as->blendin;
          strip->blendout = as->blendout;
          strip->blendmode = (as->mode == ACTSTRIPMODE_ADD) ? NLASTRIP_MODE_ADD :
                                                              NLASTRIP_MODE_REPLACE;
          if (as->flag & ACTSTRIP_AUTO_BLENDS) {
            strip->flag |= NLASTRIP_FLAG_AUTO_BLENDS;
          }
  
          /* assorted setting flags */
          if (as->flag & ACTSTRIP_SELECT) {
            strip->flag |= NLASTRIP_FLAG_SELECT;
          }
          if (as->flag & ACTSTRIP_ACTIVE) {
            strip->flag |= NLASTRIP_FLAG_ACTIVE;
          }
  
          if (as->flag & ACTSTRIP_MUTE) {
            strip->flag |= NLASTRIP_FLAG_MUTED;
          }
          if (as->flag & ACTSTRIP_REVERSE) {
            strip->flag |= NLASTRIP_FLAG_REVERSE;
          }
  
          /* by default, we now always extrapolate, while in the past this was optional */
          if ((as->flag & ACTSTRIP_HOLDLASTFRAME) == 0) {
            strip->extendmode = NLASTRIP_EXTEND_NOTHING;
          }
        }
  
        /* try to add this strip to the current NLA-Track (i.e. the 'last' one on the stack atm) */
        if (BKE_nlatrack_add_strip(nlt, strip) == 0) {
          /* trying to add to the current failed (no space),
           * so add a new track to the stack, and add to that...
           */
          nlt = BKE_nlatrack_add(adt, NULL);
          BKE_nlatrack_add_strip(nlt, strip);
        }
  
        /* ensure that strip has a name */
        BKE_nlastrip_validate_name(adt, strip);
      }
  
      /* modifiers */
      // FIXME: for now, we just free them...
      if (as->modifiers.first) {
        BLI_freelistN(&as->modifiers);
      }
  
      /* free the old strip */
      BLI_freelinkN(strips, as);
    }
  }
  
  /* *************************************************** */
  /* External API - Only Called from do_versions() */
  
  /* Called from do_versions() in readfile.c to convert the old 'IPO/adrcode' system
   * to the new 'Animato/RNA' system.
   *
   * The basic method used here, is to loop over data-blocks which have IPO-data,
   * and add those IPO's to new AnimData blocks as Actions.
   * Action/NLA data only works well for Objects, so these only need to be checked for there.
   *
   * Data that has been converted should be freed immediately, which means that it is immediately
   * clear which data-blocks have yet to be converted, and also prevent freeing errors when we exit.
   */
  // XXX currently done after all file reading...
  void do_versions_ipos_to_animato(Main *bmain)
  {
    ListBase drivers = {NULL, NULL};
    ID *id;
  
    if (bmain == NULL) {
      CLOG_ERROR(&LOG, "Argh! Main is NULL");
      return;
    }
  
    /* only convert if version is right */
    if (bmain->versionfile >= 250) {
      CLOG_WARN(&LOG, "Animation data too new to convert (Version %d)", bmain->versionfile);
      return;
    }
    else if (G.debug & G_DEBUG) {
      printf("INFO: Converting to Animato...\n");
    }
  
    /* ----------- Animation Attached to Data -------------- */
  
    /* objects */
    for (id = bmain->objects.first; id; id = id->next) {
      Object *ob = (Object *)id;
      bPoseChannel *pchan;
      bConstraint *con;
      bConstraintChannel *conchan, *conchann;
  
      if (G.debug & G_DEBUG) {
        printf("\tconverting ob %s\n", id->name + 2);
      }
  
      /* check if object has any animation data */
      if (ob->nlastrips.first) {
        /* Add AnimData block */
        BKE_animdata_add_id(id);
  
        /* IPO first to take into any non-NLA'd Object Animation */
        if (ob->ipo) {
          ipo_to_animdata(bmain, id, ob->ipo, NULL, NULL, NULL);
          /* No need to id_us_min ipo ID here, ipo_to_animdata already does it. */
          ob->ipo = NULL;
        }
  
        /* Action is skipped since it'll be used by some strip in the NLA anyway,
         * causing errors with evaluation in the new evaluation pipeline
         */
        if (ob->action) {
          id_us_min(&ob->action->id);
          ob->action = NULL;
        }
  
        /* finally NLA */
        nlastrips_to_animdata(id, &ob->nlastrips);
      }
      else if ((ob->ipo) || (ob->action)) {
        /* Add AnimData block */
        AnimData *adt = BKE_animdata_add_id(id);
  
        /* Action first - so that Action name get conserved */
        if (ob->action) {
          action_to_animdata(id, ob->action);
  
          /* only decrease usercount if this Action isn't now being used by AnimData */
          if (ob->action != adt->action) {
            id_us_min(&ob->action->id);
            ob->action = NULL;
          }
        }
  
        /* IPO second... */
        if (ob->ipo) {
          ipo_to_animdata(bmain, id, ob->ipo, NULL, NULL, NULL);
          /* No need to id_us_min ipo ID here, ipo_to_animdata already does it. */
          ob->ipo = NULL;
        }
      }
  
      /* check PoseChannels for constraints with local data */
      if (ob->pose) {
        /* Verify if there's AnimData block */
        BKE_animdata_add_id(id);
  
        for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
          for (con = pchan->constraints.first; con; con = con->next) {
            /* if constraint has own IPO, convert add these to Object
             * (NOTE: they're most likely to be drivers too)
             */
            if (con->ipo) {
              /* although this was the constraint's local IPO, we still need to provide pchan + con
               * so that drivers can be added properly...
               */
              ipo_to_animdata(bmain, id, con->ipo, pchan->name, con->name, NULL);
              id_us_min(&con->ipo->id);
              con->ipo = NULL;
            }
          }
        }
      }
  
      /* check constraints for local IPO's */
      for (con = ob->constraints.first; con; con = con->next) {
        /* if constraint has own IPO, convert add these to Object
         * (NOTE: they're most likely to be drivers too)
         */
        if (con->ipo) {
          /* Verify if there's AnimData block, just in case */
          BKE_animdata_add_id(id);
  
          /* although this was the constraint's local IPO, we still need to provide con
           * so that drivers can be added properly...
           */
          ipo_to_animdata(bmain, id, con->ipo, NULL, con->name, NULL);
          id_us_min(&con->ipo->id);
          con->ipo = NULL;
        }
  
        /* check for Action Constraint */
        // XXX do we really want to do this here?
      }
  
      /* check constraint channels - we need to remove them anyway... */
      if (ob->constraintChannels.first) {
        /* Verify if there's AnimData block */
        BKE_animdata_add_id(id);
  
        for (conchan = ob->constraintChannels.first; conchan; conchan = conchann) {
          /* get pointer to next Constraint Channel */
          conchann = conchan->next;
  
          /* convert Constraint Channel's IPO data */
          if (conchan->ipo) {
            ipo_to_animdata(bmain, id, conchan->ipo, NULL, conchan->name, NULL);
            id_us_min(&conchan->ipo->id);
            conchan->ipo = NULL;
          }
  
          /* free Constraint Channel */
          BLI_freelinkN(&ob->constraintChannels, conchan);
        }
      }
  
      /* object's action will always be object-rooted */
      {
        AnimData *adt = BKE_animdata_from_id(id);
        if (adt && adt->action) {
          adt->action->idroot = ID_OB;
        }
      }
    }
  
    /* shapekeys */
    for (id = bmain->shapekeys.first; id; id = id->next) {
      Key *key = (Key *)id;
  
      if (G.debug & G_DEBUG) {
        printf("\tconverting key %s\n", id->name + 2);
      }
  
      /* we're only interested in the IPO
       * NOTE: for later, it might be good to port these over to Object instead, as many of these
       * are likely to be drivers, but it's hard to trace that from here, so move this to Ob loop?
       */
      if (key->ipo) {
        /* Add AnimData block */
        AnimData *adt = BKE_animdata_add_id(id);
  
        /* Convert Shapekey data... */
        ipo_to_animdata(bmain, id, key->ipo, NULL, NULL, NULL);
  
        if (adt->action) {
          adt->action->idroot = key->ipo->blocktype;
        }
  
        id_us_min(&key->ipo->id);
        key->ipo = NULL;
      }
    }
  
    /* materials */
    for (id = bmain->materials.first; id; id = id->next) {
      Material *ma = (Material *)id;
  
      if (G.debug & G_DEBUG) {
        printf("\tconverting material %s\n", id->name + 2);
      }
  
      /* we're only interested in the IPO */
      if (ma->ipo) {
        /* Add AnimData block */
        AnimData *adt = BKE_animdata_add_id(id);
  
        /* Convert Material data... */
        ipo_to_animdata(bmain, id, ma->ipo, NULL, NULL, NULL);
  
        if (adt->action) {
          adt->action->idroot = ma->ipo->blocktype;
        }
  
        id_us_min(&ma->ipo->id);
        ma->ipo = NULL;
      }
    }
  
    /* worlds */
    for (id = bmain->worlds.first; id; id = id->next) {
      World *wo = (World *)id;
  
      if (G.debug & G_DEBUG) {
        printf("\tconverting world %s\n", id->name + 2);
      }
  
      /* we're only interested in the IPO */
      if (wo->ipo) {
        /* Add AnimData block */
        AnimData *adt = BKE_animdata_add_id(id);
  
        /* Convert World data... */
        ipo_to_animdata(bmain, id, wo->ipo, NULL, NULL, NULL);
  
        if (adt->action) {
          adt->action->idroot = wo->ipo->blocktype;
        }
  
        id_us_min(&wo->ipo->id);
        wo->ipo = NULL;
      }
    }
  
    /* sequence strips */
    for (id = bmain->scenes.first; id; id = id->next) {
      Scene *scene = (Scene *)id;
      Editing *ed = scene->ed;
      if (ed && ed->seqbasep) {
        Sequence *seq;
  
        AnimData *adt = BKE_animdata_add_id(id);
  
        SEQ_BEGIN (ed, seq) {
          IpoCurve *icu = (seq->ipo) ? seq->ipo->curve.first : NULL;
          short adrcode = SEQ_FAC1;
  
          if (G.debug & G_DEBUG) {
            printf("\tconverting sequence strip %s\n", seq->name + 2);
          }
  
          if (ELEM(NULL, seq->ipo, icu)) {
            seq->flag |= SEQ_USE_EFFECT_DEFAULT_FADE;
            continue;
          }
  
          /* patch adrcode, so that we can map
           * to different DNA variables later
           * (semi-hack (tm) )
           */
          switch (seq->type) {
            case SEQ_TYPE_IMAGE:
            case SEQ_TYPE_META:
            case SEQ_TYPE_SCENE:
            case SEQ_TYPE_MOVIE:
            case SEQ_TYPE_COLOR:
              adrcode = SEQ_FAC_OPACITY;
              break;
            case SEQ_TYPE_SPEED:
              adrcode = SEQ_FAC_SPEED;
              break;
          }
          icu->adrcode = adrcode;
  
          /* convert IPO */
          ipo_to_animdata(bmain, (ID *)scene, seq->ipo, NULL, NULL, seq);
  
          if (adt->action) {
            adt->action->idroot = ID_SCE; /* scene-rooted */
          }
  
          id_us_min(&seq->ipo->id);
          seq->ipo = NULL;
        }
        SEQ_END;
      }
    }
  
    /* textures */
    for (id = bmain->textures.first; id; id = id->next) {
      Tex *te = (Tex *)id;
  
      if (G.debug & G_DEBUG) {
        printf("\tconverting texture %s\n", id->name + 2);
      }
  
      /* we're only interested in the IPO */
      if (te->ipo) {
        /* Add AnimData block */
        AnimData *adt = BKE_animdata_add_id(id);
  
        /* Convert Texture data... */
        ipo_to_animdata(bmain, id, te->ipo, NULL, NULL, NULL);
  
        if (adt->action) {
          adt->action->idroot = te->ipo->blocktype;
        }
  
        id_us_min(&te->ipo->id);
        te->ipo = NULL;
      }
    }
  
    /* cameras */
    for (id = bmain->cameras.first; id; id = id->next) {
      Camera *ca = (Camera *)id;
  
      if (G.debug & G_DEBUG) {
        printf("\tconverting camera %s\n", id->name + 2);
      }
  
      /* we're only interested in the IPO */
      if (ca->ipo) {
        /* Add AnimData block */
        AnimData *adt = BKE_animdata_add_id(id);
  
        /* Convert Camera data... */
        ipo_to_animdata(bmain, id, ca->ipo, NULL, NULL, NULL);
  
        if (adt->action) {
          adt->action->idroot = ca->ipo->blocktype;
        }
  
        id_us_min(&ca->ipo->id);
        ca->ipo = NULL;
      }
    }
  
    /* lights */
    for (id = bmain->lights.first; id; id = id->next) {
      Light *la = (Light *)id;
  
      if (G.debug & G_DEBUG) {
        printf("\tconverting light %s\n", id->name + 2);
      }
  
      /* we're only interested in the IPO */
      if (la->ipo) {
        /* Add AnimData block */
        AnimData *adt = BKE_animdata_add_id(id);
  
        /* Convert Light data... */
        ipo_to_animdata(bmain, id, la->ipo, NULL, NULL, NULL);
  
        if (adt->action) {
          adt->action->idroot = la->ipo->blocktype;
        }
  
        id_us_min(&la->ipo->id);
        la->ipo = NULL;
      }
    }
  
    /* curves */
    for (id = bmain->curves.first; id; id = id->next) {
      Curve *cu = (Curve *)id;
  
      if (G.debug & G_DEBUG) {
        printf("\tconverting curve %s\n", id->name + 2);
      }
  
      /* we're only interested in the IPO */
      if (cu->ipo) {
        /* Add AnimData block */
        AnimData *adt = BKE_animdata_add_id(id);
  
        /* Convert Curve data... */
        ipo_to_animdata(bmain, id, cu->ipo, NULL, NULL, NULL);
  
        if (adt->action) {
          adt->action->idroot = cu->ipo->blocktype;
        }
  
        id_us_min(&cu->ipo->id);
        cu->ipo = NULL;
      }
    }
  
    /* --------- Unconverted Animation Data ------------------ */
    /* For Animation data which may not be directly connected (i.e. not linked) to any other
     * data, we need to perform a separate pass to make sure that they are converted to standalone
     * Actions which may then be able to be reused. This does mean that we will be going over data
     * that's already been converted, but there are no problems with that.
     *
     * The most common case for this will be Action Constraints, or IPO's with Fake-Users.
     * We collect all drivers that were found into a temporary collection, and free them in one go,
     * as they're impossible to resolve.
     */
  
    /* actions */
    for (id = bmain->actions.first; id; id = id->next) {
      bAction *act = (bAction *)id;
  
      if (G.debug & G_DEBUG) {
        printf("\tconverting action %s\n", id->name + 2);
      }
  
      /* if old action, it will be object-only... */
      if (act->chanbase.first) {
        act->idroot = ID_OB;
      }
  
      /* be careful! some of the actions we encounter will be converted ones... */
      action_to_animato(NULL, act, &act->groups, &act->curves, &drivers);
    }
  
    /* ipo's */
    for (id = bmain->ipo.first; id; id = id->next) {
      Ipo *ipo = (Ipo *)id;
  
      if (G.debug & G_DEBUG) {
        printf("\tconverting ipo %s\n", id->name + 2);
      }
  
      /* most likely this IPO has already been processed, so check if any curves left to convert */
      if (ipo->curve.first) {
        bAction *new_act;
  
        /* add a new action for this, and convert all data into that action */
        new_act = BKE_action_add(bmain, id->name + 2);
        ipo_to_animato(NULL, ipo, NULL, NULL, NULL, NULL, &new_act->curves, &drivers);
        new_act->idroot = ipo->blocktype;
      }
  
      /* clear fake-users, and set user-count to zero to make sure it is cleared on file-save */
      ipo->id.us = 0;
      ipo->id.flag &= ~LIB_FAKEUSER;
    }
  
    /* free unused drivers from actions + ipos */
    free_fcurves(&drivers);
  
    if (G.debug & G_DEBUG) {
      printf("INFO: Animato convert done\n");
    }
  }
  