diff options
| -rw-r--r-- | source/blender/blenkernel/intern/brush.c | 33 | ||||
| -rw-r--r-- | source/blender/blenkernel/intern/paint.c | 12 | ||||
| -rw-r--r-- | source/blender/blenkernel/intern/scene.c | 226 |
3 files changed, 240 insertions, 31 deletions
diff --git a/source/blender/blenkernel/intern/brush.c b/source/blender/blenkernel/intern/brush.c index d62ccf794f3..806b9ca1416 100644 --- a/source/blender/blenkernel/intern/brush.c +++ b/source/blender/blenkernel/intern/brush.c @@ -355,6 +355,37 @@ static void brush_blend_read_expand(BlendExpander *expander, ID *id) } } +static int brush_undo_preserve_cb(LibraryIDLinkCallbackData *cb_data) +{ + BlendLibReader *reader = cb_data->user_data; + ID *id_old = *cb_data->id_pointer; + /* Old data has not been remapped to new values of the pointers, if we want to keep the old + * pointer here we need its new address. */ + ID *id_old_new = id_old != NULL ? BLO_read_get_new_id_address(reader, id_old->lib, id_old) : + NULL; + BLI_assert(id_old_new == NULL || ELEM(id_old, id_old_new, id_old_new->orig_id)); + if (cb_data->cb_flag & IDWALK_CB_USER) { + id_us_plus_no_lib(id_old_new); + id_us_min(id_old); + } + *cb_data->id_pointer = id_old_new; + return IDWALK_RET_NOP; +} + +static void brush_undo_preserve(BlendLibReader *reader, ID *id_new, ID *id_old) +{ + /* Whole Brush is preserved accross undo's. */ + BKE_lib_id_swap(NULL, id_new, id_old); + + /* `id_new` now has content from `id_old`, we need to ensure those old ID pointers are valid. + * Note: Since we want to re-use all old pointers here, code is much simpler than for Scene. */ + BKE_library_foreach_ID_link(NULL, id_new, brush_undo_preserve_cb, reader, IDWALK_NOP); + + /* Note: We do not swap IDProperties, as dealing with potential ID pointers in those would be + * fairly delicate. */ + SWAP(IDProperty *, id_new->properties, id_old->properties); +} + IDTypeInfo IDType_ID_BR = { .id_code = ID_BR, .id_filter = FILTER_ID_BR, @@ -377,7 +408,7 @@ IDTypeInfo IDType_ID_BR = { .blend_read_lib = brush_blend_read_lib, .blend_read_expand = brush_blend_read_expand, - .blend_read_undo_preserve = NULL, + .blend_read_undo_preserve = brush_undo_preserve, }; static RNG *brush_rng; diff --git a/source/blender/blenkernel/intern/paint.c b/source/blender/blenkernel/intern/paint.c index 37637e30d9e..f2af5520d16 100644 --- a/source/blender/blenkernel/intern/paint.c +++ b/source/blender/blenkernel/intern/paint.c @@ -125,6 +125,16 @@ static void palette_blend_read_data(BlendDataReader *reader, ID *id) BLO_read_list(reader, &palette->colors); } +static void palette_undo_preserve(BlendLibReader *UNUSED(reader), ID *id_new, ID *id_old) +{ + /* Whole Palette is preserved accross undo's, and it has no extra pointer, simple. */ + /* Note: We do not care about potential internal references to self here, Palette has none. */ + /* Note: We do not swap IDProperties, as dealing with potential ID pointers in those would be + * fairly delicate. */ + BKE_lib_id_swap(NULL, id_new, id_old); + SWAP(IDProperty *, id_new->properties, id_old->properties); +} + IDTypeInfo IDType_ID_PAL = { .id_code = ID_PAL, .id_filter = FILTER_ID_PAL, @@ -147,7 +157,7 @@ IDTypeInfo IDType_ID_PAL = { .blend_read_lib = NULL, .blend_read_expand = NULL, - .blend_read_undo_preserve = NULL, + .blend_read_undo_preserve = palette_undo_preserve, }; static void paint_curve_copy_data(Main *UNUSED(bmain), diff --git a/source/blender/blenkernel/intern/scene.c b/source/blender/blenkernel/intern/scene.c index 69f4584a359..20006863aae 100644 --- a/source/blender/blenkernel/intern/scene.c +++ b/source/blender/blenkernel/intern/scene.c @@ -457,53 +457,214 @@ static void scene_foreach_rigidbodyworldSceneLooper(struct RigidBodyWorld *UNUSE BKE_lib_query_foreachid_process(data, id_pointer, cb_flag); } -static void scene_foreach_paint(LibraryForeachIDData *data, Paint *paint) -{ - BKE_LIB_FOREACHID_PROCESS(data, paint->brush, IDWALK_CB_USER); - for (int i = 0; i < paint->tool_slots_len; i++) { - BKE_LIB_FOREACHID_PROCESS(data, paint->tool_slots[i].brush, IDWALK_CB_USER); +/* This code is shared by both the regular foreach_id looper, and the code trying to restore or + * preserve ID pointers like brushes accross undos. */ +typedef enum eSceneForeachUndoPreserveProcess { + /* Undo when preserving toolsettings from old scene, we also want to try to preserve that ID + * pointer from its old scene's value. */ + SCENE_FOREACH_UNDO_RESTORE, + /* Undo when preserving toolsettings from old scene, we want to keep the new value of that ID + * pointer. */ + SCENE_FOREACH_UNDO_NO_RESTORE, +} eSceneForeachUndoPreserveProcess; + +static void scene_foreach_toolsettings_id_pointer_process( + ID **id_p, + const eSceneForeachUndoPreserveProcess action, + BlendLibReader *reader, + ID **id_old_p, + const uint cb_flag) +{ + switch (action) { + case SCENE_FOREACH_UNDO_RESTORE: { + ID *id_old = *id_old_p; + /* Old data has not been remapped to new values of the pointers, if we want to keep the old + * pointer here we need its new address. */ + ID *id_old_new = id_old != NULL ? BLO_read_get_new_id_address(reader, id_old->lib, id_old) : + NULL; + if (id_old_new != NULL) { + BLI_assert(ELEM(id_old, id_old_new, id_old_new->orig_id)); + *id_old_p = id_old_new; + if (cb_flag & IDWALK_CB_USER) { + id_us_plus_no_lib(id_old_new); + id_us_min(id_old); + } + break; + } + /* We failed to find a new valid pointer for the previous ID, just keep the current one as + * if we had been under SCENE_FOREACH_UNDO_NO_RESTORE case. */ + SWAP(ID *, *id_p, *id_old_p); + break; + } + case SCENE_FOREACH_UNDO_NO_RESTORE: + /* Counteract the swap of the whole ToolSettings container struct. */ + SWAP(ID *, *id_p, *id_old_p); + break; } - BKE_LIB_FOREACHID_PROCESS(data, paint->palette, IDWALK_CB_USER); } -static void scene_foreach_toolsettings(LibraryForeachIDData *data, ToolSettings *toolsett) -{ - BKE_LIB_FOREACHID_PROCESS(data, toolsett->particle.scene, IDWALK_CB_NOP); - BKE_LIB_FOREACHID_PROCESS(data, toolsett->particle.object, IDWALK_CB_NOP); - BKE_LIB_FOREACHID_PROCESS(data, toolsett->particle.shape_object, IDWALK_CB_NOP); - - scene_foreach_paint(data, &toolsett->imapaint.paint); - BKE_LIB_FOREACHID_PROCESS(data, toolsett->imapaint.stencil, IDWALK_CB_USER); - BKE_LIB_FOREACHID_PROCESS(data, toolsett->imapaint.clone, IDWALK_CB_USER); - BKE_LIB_FOREACHID_PROCESS(data, toolsett->imapaint.canvas, IDWALK_CB_USER); +#define BKE_LIB_FOREACHID_UNDO_PRESERVE_PROCESS( \ + __data, __id, __do_undo_restore, __action, __reader, __id_old, __cb_flag) \ + { \ + if (__do_undo_restore) { \ + scene_foreach_toolsettings_id_pointer_process( \ + (ID **)&(__id), __action, __reader, (ID **)&(__id_old), __cb_flag); \ + } \ + else { \ + BKE_LIB_FOREACHID_PROCESS(__data, __id, __cb_flag); \ + } \ + } \ + (void)0 + +static void scene_foreach_paint(LibraryForeachIDData *data, + Paint *paint, + const bool do_undo_restore, + BlendLibReader *reader, + Paint *paint_old) +{ + BKE_LIB_FOREACHID_UNDO_PRESERVE_PROCESS(data, + paint->brush, + do_undo_restore, + SCENE_FOREACH_UNDO_RESTORE, + reader, + paint_old->brush, + IDWALK_CB_USER); + for (int i = 0; i < paint_old->tool_slots_len; i++) { + /* This is a bit tricky. + * - In case we do not do `undo_restore`, `paint` and `paint_old` pointers are the same, so + * this is equivalent to simply looping over slots from `paint`. + * - In case we do `undo_restore`, we only want to consider the slots from the old one, since + * those are the one we keep in the end. + * + In case the new data has less valid slots, we feed in a dummy NULL pointer. + * + In case the new data has more valid slots, the extra ones are ignored. + */ + Brush *brush_tmp = NULL; + Brush **brush_p = i < paint->tool_slots_len ? &paint->tool_slots[i].brush : &brush_tmp; + BKE_LIB_FOREACHID_UNDO_PRESERVE_PROCESS(data, + *brush_p, + do_undo_restore, + SCENE_FOREACH_UNDO_RESTORE, + reader, + paint_old->brush, + IDWALK_CB_USER); + } + BKE_LIB_FOREACHID_UNDO_PRESERVE_PROCESS(data, + paint->palette, + do_undo_restore, + SCENE_FOREACH_UNDO_RESTORE, + reader, + paint_old->palette, + IDWALK_CB_USER); +} + +static void scene_foreach_toolsettings(LibraryForeachIDData *data, + ToolSettings *toolsett, + const bool do_undo_restore, + BlendLibReader *reader, + ToolSettings *toolsett_old) +{ + BKE_LIB_FOREACHID_UNDO_PRESERVE_PROCESS(data, + toolsett->particle.scene, + do_undo_restore, + SCENE_FOREACH_UNDO_NO_RESTORE, + reader, + toolsett_old->particle.scene, + IDWALK_CB_NOP); + BKE_LIB_FOREACHID_UNDO_PRESERVE_PROCESS(data, + toolsett->particle.object, + do_undo_restore, + SCENE_FOREACH_UNDO_NO_RESTORE, + reader, + toolsett_old->particle.object, + IDWALK_CB_NOP); + BKE_LIB_FOREACHID_UNDO_PRESERVE_PROCESS(data, + toolsett->particle.shape_object, + do_undo_restore, + SCENE_FOREACH_UNDO_NO_RESTORE, + reader, + toolsett_old->particle.shape_object, + IDWALK_CB_NOP); + + scene_foreach_paint( + data, &toolsett->imapaint.paint, do_undo_restore, reader, &toolsett_old->imapaint.paint); + BKE_LIB_FOREACHID_UNDO_PRESERVE_PROCESS(data, + toolsett->imapaint.stencil, + do_undo_restore, + SCENE_FOREACH_UNDO_RESTORE, + reader, + toolsett_old->imapaint.stencil, + IDWALK_CB_USER); + BKE_LIB_FOREACHID_UNDO_PRESERVE_PROCESS(data, + toolsett->imapaint.clone, + do_undo_restore, + SCENE_FOREACH_UNDO_RESTORE, + reader, + toolsett_old->imapaint.clone, + IDWALK_CB_USER); + BKE_LIB_FOREACHID_UNDO_PRESERVE_PROCESS(data, + toolsett->imapaint.canvas, + do_undo_restore, + SCENE_FOREACH_UNDO_RESTORE, + reader, + toolsett_old->imapaint.canvas, + IDWALK_CB_USER); if (toolsett->vpaint) { - scene_foreach_paint(data, &toolsett->vpaint->paint); + scene_foreach_paint( + data, &toolsett->vpaint->paint, do_undo_restore, reader, &toolsett_old->vpaint->paint); } if (toolsett->wpaint) { - scene_foreach_paint(data, &toolsett->wpaint->paint); + scene_foreach_paint( + data, &toolsett->wpaint->paint, do_undo_restore, reader, &toolsett_old->wpaint->paint); } if (toolsett->sculpt) { - scene_foreach_paint(data, &toolsett->sculpt->paint); - BKE_LIB_FOREACHID_PROCESS(data, toolsett->sculpt->gravity_object, IDWALK_CB_NOP); + scene_foreach_paint( + data, &toolsett->sculpt->paint, do_undo_restore, reader, &toolsett_old->sculpt->paint); + BKE_LIB_FOREACHID_UNDO_PRESERVE_PROCESS(data, + toolsett->sculpt->gravity_object, + do_undo_restore, + SCENE_FOREACH_UNDO_NO_RESTORE, + reader, + toolsett_old->sculpt->gravity_object, + IDWALK_CB_NOP); } if (toolsett->uvsculpt) { - scene_foreach_paint(data, &toolsett->uvsculpt->paint); + scene_foreach_paint( + data, &toolsett->uvsculpt->paint, do_undo_restore, reader, &toolsett_old->uvsculpt->paint); } if (toolsett->gp_paint) { - scene_foreach_paint(data, &toolsett->gp_paint->paint); + scene_foreach_paint( + data, &toolsett->gp_paint->paint, do_undo_restore, reader, &toolsett_old->gp_paint->paint); } if (toolsett->gp_vertexpaint) { - scene_foreach_paint(data, &toolsett->gp_vertexpaint->paint); + scene_foreach_paint(data, + &toolsett->gp_vertexpaint->paint, + do_undo_restore, + reader, + &toolsett_old->gp_vertexpaint->paint); } if (toolsett->gp_sculptpaint) { - scene_foreach_paint(data, &toolsett->gp_sculptpaint->paint); + scene_foreach_paint(data, + &toolsett->gp_sculptpaint->paint, + do_undo_restore, + reader, + &toolsett_old->gp_sculptpaint->paint); } if (toolsett->gp_weightpaint) { - scene_foreach_paint(data, &toolsett->gp_weightpaint->paint); + scene_foreach_paint(data, + &toolsett->gp_weightpaint->paint, + do_undo_restore, + reader, + &toolsett_old->gp_weightpaint->paint); } - BKE_LIB_FOREACHID_PROCESS(data, toolsett->gp_sculpt.guide.reference_object, IDWALK_CB_NOP); + BKE_LIB_FOREACHID_UNDO_PRESERVE_PROCESS(data, + toolsett->gp_sculpt.guide.reference_object, + do_undo_restore, + SCENE_FOREACH_UNDO_NO_RESTORE, + reader, + toolsett_old->gp_sculpt.guide.reference_object, + IDWALK_CB_NOP); } static void scene_foreach_layer_collection(LibraryForeachIDData *data, ListBase *lb) @@ -595,7 +756,7 @@ static void scene_foreach_id(ID *id, LibraryForeachIDData *data) ToolSettings *toolsett = scene->toolsettings; if (toolsett) { - scene_foreach_toolsettings(data, toolsett); + scene_foreach_toolsettings(data, toolsett, false, NULL, toolsett); } if (scene->rigidbody_world) { @@ -622,13 +783,20 @@ static void scene_foreach_cache(ID *id, user_data); } -static void scene_undo_preserve(BlendLibReader *UNUSED(reader), ID *id_new, ID *id_old) +static void scene_undo_preserve(BlendLibReader *reader, ID *id_new, ID *id_old) { Scene *scene_new = (Scene *)id_new; Scene *scene_old = (Scene *)id_old; SWAP(View3DCursor, scene_old->cursor, scene_new->cursor); - /* TODO: handle tool settings here too. */ + if (scene_new->toolsettings != NULL && scene_old->toolsettings != NULL) { + /* First try to restore ID pointers that can be and should be preserved (like brushes or + * palettes), and counteract the swap of the whole ToolSettings structs below for the others + * (like object ones). */ + scene_foreach_toolsettings( + NULL, scene_new->toolsettings, true, reader, scene_old->toolsettings); + SWAP(ToolSettings, *scene_old->toolsettings, *scene_new->toolsettings); + } } IDTypeInfo IDType_ID_SCE = { |