Refactor: move Area .blend I/O to blenkernel

There should be no functional changes.
Eventually, it would be good to handle the different space types
using callbacks.

Ref T76372.

1 files changed, 2 insertions, 240 deletions

diff --git a/source/blender/blenloader/intern/writefile.c b/source/blender/blenloader/intern/writefile.c
index 421566eb8c3..1a5310b82ad 100644
--- a/source/blender/blenloader/intern/writefile.c
+++ b/source/blender/blenloader/intern/writefile.c
@@ -1631,244 +1631,6 @@ static void write_wm_xr_data(BlendWriter *writer, wmXrData *xr_data)
   BKE_screen_view3d_shading_blend_write(writer, &xr_data->session_settings.shading);
 }
 
-static void write_region(BlendWriter *writer, ARegion *region, int spacetype)
-{
-  BLO_write_struct(writer, ARegion, region);
-
-  if (region->regiondata) {
-    if (region->flag & RGN_FLAG_TEMP_REGIONDATA) {
-      return;
-    }
-
-    switch (spacetype) {
-      case SPACE_VIEW3D:
-        if (region->regiontype == RGN_TYPE_WINDOW) {
-          RegionView3D *rv3d = region->regiondata;
-          BLO_write_struct(writer, RegionView3D, rv3d);
-
-          if (rv3d->localvd) {
-            BLO_write_struct(writer, RegionView3D, rv3d->localvd);
-          }
-          if (rv3d->clipbb) {
-            BLO_write_struct(writer, BoundBox, rv3d->clipbb);
-          }
-        }
-        else {
-          printf("regiondata write missing!\n");
-        }
-        break;
-      default:
-        printf("regiondata write missing!\n");
-    }
-  }
-}
-
-static void write_uilist(BlendWriter *writer, uiList *ui_list)
-{
-  BLO_write_struct(writer, uiList, ui_list);
-
-  if (ui_list->properties) {
-    IDP_BlendWrite(writer, ui_list->properties);
-  }
-}
-
-static void write_space_outliner(BlendWriter *writer, SpaceOutliner *space_outliner)
-{
-  BLI_mempool *ts = space_outliner->treestore;
-
-  if (ts) {
-    SpaceOutliner space_outliner_flat = *space_outliner;
-
-    int elems = BLI_mempool_len(ts);
-    /* linearize mempool to array */
-    TreeStoreElem *data = elems ? BLI_mempool_as_arrayN(ts, "TreeStoreElem") : NULL;
-
-    if (data) {
-      /* In this block we use the memory location of the treestore
-       * but _not_ its data, the addresses in this case are UUID's,
-       * since we can't rely on malloc giving us different values each time.
-       */
-      TreeStore ts_flat = {0};
-
-      /* we know the treestore is at least as big as a pointer,
-       * so offsetting works to give us a UUID. */
-      void *data_addr = (void *)POINTER_OFFSET(ts, sizeof(void *));
-
-      ts_flat.usedelem = elems;
-      ts_flat.totelem = elems;
-      ts_flat.data = data_addr;
-
-      BLO_write_struct(writer, SpaceOutliner, space_outliner);
-
-      BLO_write_struct_at_address(writer, TreeStore, ts, &ts_flat);
-      BLO_write_struct_array_at_address(writer, TreeStoreElem, elems, data_addr, data);
-
-      MEM_freeN(data);
-    }
-    else {
-      space_outliner_flat.treestore = NULL;
-      BLO_write_struct_at_address(writer, SpaceOutliner, space_outliner, &space_outliner_flat);
-    }
-  }
-  else {
-    BLO_write_struct(writer, SpaceOutliner, space_outliner);
-  }
-}
-
-static void write_panel_list(BlendWriter *writer, ListBase *lb)
-{
-  LISTBASE_FOREACH (Panel *, panel, lb) {
-    BLO_write_struct(writer, Panel, panel);
-    write_panel_list(writer, &panel->children);
-  }
-}
-
-static void write_area_regions(BlendWriter *writer, ScrArea *area)
-{
-  LISTBASE_FOREACH (ARegion *, region, &area->regionbase) {
-    write_region(writer, region, area->spacetype);
-    write_panel_list(writer, &region->panels);
-
-    LISTBASE_FOREACH (PanelCategoryStack *, pc_act, &region->panels_category_active) {
-      BLO_write_struct(writer, PanelCategoryStack, pc_act);
-    }
-
-    LISTBASE_FOREACH (uiList *, ui_list, &region->ui_lists) {
-      write_uilist(writer, ui_list);
-    }
-
-    LISTBASE_FOREACH (uiPreview *, ui_preview, &region->ui_previews) {
-      BLO_write_struct(writer, uiPreview, ui_preview);
-    }
-  }
-
-  LISTBASE_FOREACH (SpaceLink *, sl, &area->spacedata) {
-    LISTBASE_FOREACH (ARegion *, region, &sl->regionbase) {
-      write_region(writer, region, sl->spacetype);
-    }
-
-    if (sl->spacetype == SPACE_VIEW3D) {
-      View3D *v3d = (View3D *)sl;
-      BLO_write_struct(writer, View3D, v3d);
-
-      if (v3d->localvd) {
-        BLO_write_struct(writer, View3D, v3d->localvd);
-      }
-
-      BKE_screen_view3d_shading_blend_write(writer, &v3d->shading);
-    }
-    else if (sl->spacetype == SPACE_GRAPH) {
-      SpaceGraph *sipo = (SpaceGraph *)sl;
-      ListBase tmpGhosts = sipo->runtime.ghost_curves;
-
-      /* temporarily disable ghost curves when saving */
-      BLI_listbase_clear(&sipo->runtime.ghost_curves);
-
-      BLO_write_struct(writer, SpaceGraph, sl);
-      if (sipo->ads) {
-        BLO_write_struct(writer, bDopeSheet, sipo->ads);
-      }
-
-      /* reenable ghost curves */
-      sipo->runtime.ghost_curves = tmpGhosts;
-    }
-    else if (sl->spacetype == SPACE_PROPERTIES) {
-      BLO_write_struct(writer, SpaceProperties, sl);
-    }
-    else if (sl->spacetype == SPACE_FILE) {
-      SpaceFile *sfile = (SpaceFile *)sl;
-
-      BLO_write_struct(writer, SpaceFile, sl);
-      if (sfile->params) {
-        BLO_write_struct(writer, FileSelectParams, sfile->params);
-      }
-    }
-    else if (sl->spacetype == SPACE_SEQ) {
-      BLO_write_struct(writer, SpaceSeq, sl);
-    }
-    else if (sl->spacetype == SPACE_OUTLINER) {
-      SpaceOutliner *space_outliner = (SpaceOutliner *)sl;
-      write_space_outliner(writer, space_outliner);
-    }
-    else if (sl->spacetype == SPACE_IMAGE) {
-      BLO_write_struct(writer, SpaceImage, sl);
-    }
-    else if (sl->spacetype == SPACE_TEXT) {
-      BLO_write_struct(writer, SpaceText, sl);
-    }
-    else if (sl->spacetype == SPACE_SCRIPT) {
-      SpaceScript *scr = (SpaceScript *)sl;
-      scr->but_refs = NULL;
-      BLO_write_struct(writer, SpaceScript, sl);
-    }
-    else if (sl->spacetype == SPACE_ACTION) {
-      BLO_write_struct(writer, SpaceAction, sl);
-    }
-    else if (sl->spacetype == SPACE_NLA) {
-      SpaceNla *snla = (SpaceNla *)sl;
-
-      BLO_write_struct(writer, SpaceNla, snla);
-      if (snla->ads) {
-        BLO_write_struct(writer, bDopeSheet, snla->ads);
-      }
-    }
-    else if (sl->spacetype == SPACE_NODE) {
-      SpaceNode *snode = (SpaceNode *)sl;
-      BLO_write_struct(writer, SpaceNode, snode);
-
-      LISTBASE_FOREACH (bNodeTreePath *, path, &snode->treepath) {
-        BLO_write_struct(writer, bNodeTreePath, path);
-      }
-    }
-    else if (sl->spacetype == SPACE_CONSOLE) {
-      SpaceConsole *con = (SpaceConsole *)sl;
-
-      LISTBASE_FOREACH (ConsoleLine *, cl, &con->history) {
-        /* 'len_alloc' is invalid on write, set from 'len' on read */
-        BLO_write_struct(writer, ConsoleLine, cl);
-        BLO_write_raw(writer, (size_t)cl->len + 1, cl->line);
-      }
-      BLO_write_struct(writer, SpaceConsole, sl);
-    }
-#ifdef WITH_GLOBAL_AREA_WRITING
-    else if (sl->spacetype == SPACE_TOPBAR) {
-      BLO_write_struct(writer, SpaceTopBar, sl);
-    }
-    else if (sl->spacetype == SPACE_STATUSBAR) {
-      BLO_write_struct(writer, SpaceStatusBar, sl);
-    }
-#endif
-    else if (sl->spacetype == SPACE_USERPREF) {
-      BLO_write_struct(writer, SpaceUserPref, sl);
-    }
-    else if (sl->spacetype == SPACE_CLIP) {
-      BLO_write_struct(writer, SpaceClip, sl);
-    }
-    else if (sl->spacetype == SPACE_INFO) {
-      BLO_write_struct(writer, SpaceInfo, sl);
-    }
-  }
-}
-
-static void write_area_map(BlendWriter *writer, ScrAreaMap *area_map)
-{
-  BLO_write_struct_list(writer, ScrVert, &area_map->vertbase);
-  BLO_write_struct_list(writer, ScrEdge, &area_map->edgebase);
-  LISTBASE_FOREACH (ScrArea *, area, &area_map->areabase) {
-    area->butspacetype = area->spacetype; /* Just for compatibility, will be reset below. */
-
-    BLO_write_struct(writer, ScrArea, area);
-
-#ifdef WITH_GLOBAL_AREA_WRITING
-    BLO_write_struct(writer, ScrGlobalAreaData, area->global);
-#endif
-
-    write_area_regions(writer, area);
-
-    area->butspacetype = SPACE_EMPTY; /* Unset again, was changed above. */
-  }
-}
-
 static void write_windowmanager(BlendWriter *writer, wmWindowManager *wm, const void *id_address)
 {
   BLO_write_id_struct(writer, wmWindowManager, id_address, &wm->id);
@@ -1890,7 +1652,7 @@ static void write_windowmanager(BlendWriter *writer, wmWindowManager *wm, const
     BLO_write_struct(writer, Stereo3dFormat, win->stereo3d_format);
 
 #ifdef WITH_GLOBAL_AREA_WRITING
-    write_area_map(writer, &win->global_areas);
+    BKE_screen_area_map_blend_write(writer, &win->global_areas);
 #else
     win->global_areas = global_areas;
 #endif
@@ -1912,7 +1674,7 @@ static void write_screen(BlendWriter *writer, bScreen *screen, const void *id_ad
     BKE_previewimg_blend_write(writer, screen->preview);
 
     /* direct data */
-    write_area_map(writer, AREAMAP_FROM_SCREEN(screen));
+    BKE_screen_area_map_blend_write(writer, AREAMAP_FROM_SCREEN(screen));
   }
 }