diff options
Diffstat (limited to 'source/blender/blenkernel/intern/library.c')
| -rw-r--r-- | source/blender/blenkernel/intern/library.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/library.c b/source/blender/blenkernel/intern/library.c index 99dd6f86549..f57691fde3e 100644 --- a/source/blender/blenkernel/intern/library.c +++ b/source/blender/blenkernel/intern/library.c @@ -689,6 +689,75 @@ bool id_copy(Main *bmain, const ID *id, ID **newid, bool test) return BKE_id_copy_ex(bmain, id, newid, 0, test); } +/** Does a mere memory swap over the whole IDs data (including type-specific memory). + * \note Most internal ID data itself is not swapped (only IDProperties are). */ +void BKE_id_swap(Main *bmain, ID *id_a, ID *id_b) +{ + BLI_assert(GS(id_a->name) == GS(id_b->name)); + + const ID id_a_back = *id_a; + const ID id_b_back = *id_b; + +#define CASE_SWAP(_gs, _type) \ + case _gs: \ + SWAP(_type, *(_type *)id_a, *(_type *)id_b); \ + break + + switch ((ID_Type)GS(id_a->name)) { + CASE_SWAP(ID_SCE, Scene); + CASE_SWAP(ID_LI, Library); + CASE_SWAP(ID_OB, Object); + CASE_SWAP(ID_ME, Mesh); + CASE_SWAP(ID_CU, Curve); + CASE_SWAP(ID_MB, MetaBall); + CASE_SWAP(ID_MA, Material); + CASE_SWAP(ID_TE, Tex); + CASE_SWAP(ID_IM, Image); + CASE_SWAP(ID_LT, Lattice); + CASE_SWAP(ID_LA, Lamp); + CASE_SWAP(ID_LP, LightProbe); + CASE_SWAP(ID_CA, Camera); + CASE_SWAP(ID_KE, Key); + CASE_SWAP(ID_WO, World); + CASE_SWAP(ID_SCR, bScreen); + CASE_SWAP(ID_VF, VFont); + CASE_SWAP(ID_TXT, Text); + CASE_SWAP(ID_SPK, Speaker); + CASE_SWAP(ID_SO, bSound); + CASE_SWAP(ID_GR, Group); + CASE_SWAP(ID_AR, bArmature); + CASE_SWAP(ID_AC, bAction); + CASE_SWAP(ID_NT, bNodeTree); + CASE_SWAP(ID_BR, Brush); + CASE_SWAP(ID_PA, ParticleSettings); + CASE_SWAP(ID_WM, wmWindowManager); + CASE_SWAP(ID_WS, WorkSpace); + CASE_SWAP(ID_GD, bGPdata); + CASE_SWAP(ID_MC, MovieClip); + CASE_SWAP(ID_MSK, Mask); + CASE_SWAP(ID_LS, FreestyleLineStyle); + CASE_SWAP(ID_PAL, Palette); + CASE_SWAP(ID_PC, PaintCurve); + CASE_SWAP(ID_CF, CacheFile); + case ID_IP: + break; /* Deprecated. */ + } + +#undef CASE_SWAP + + /* Restore original ID's internal data. */ + *id_a = id_a_back; + *id_b = id_b_back; + + /* Exception: IDProperties. */ + id_a->properties = id_b_back.properties; + id_b->properties = id_a_back.properties; + + /* Swap will have broken internal references to itself, restore them. */ + BKE_libblock_relink_ex(bmain, id_a, id_b, id_a, false); + BKE_libblock_relink_ex(bmain, id_b, id_a, id_b, false); +} + /** Does *not* set ID->newid pointer. */ bool id_single_user(bContext *C, ID *id, PointerRNA *ptr, PropertyRNA *prop) { |