diff options
Diffstat (limited to 'source/blender/blenkernel/intern/idprop.c')
| -rw-r--r-- | source/blender/blenkernel/intern/idprop.c | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/idprop.c b/source/blender/blenkernel/intern/idprop.c index 529ae227df9..661d27f4765 100644 --- a/source/blender/blenkernel/intern/idprop.c +++ b/source/blender/blenkernel/intern/idprop.c @@ -26,11 +26,13 @@ #include <stdlib.h> #include <string.h> +#include "BLI_endian_switch.h" #include "BLI_listbase.h" #include "BLI_math.h" #include "BLI_string.h" #include "BLI_utildefines.h" +#include "BKE_global.h" #include "BKE_idprop.h" #include "BKE_lib_id.h" @@ -38,6 +40,8 @@ #include "MEM_guardedalloc.h" +#include "BLO_read_write.h" + #include "BLI_strict_flags.h" /* IDPropertyTemplate is a union in DNA_ID.h */ @@ -1170,4 +1174,270 @@ void IDP_foreach_property(IDProperty *id_property_root, } } +void IDP_WriteProperty_OnlyData(const IDProperty *prop, BlendWriter *writer); + +static void IDP_WriteArray(const IDProperty *prop, BlendWriter *writer) +{ + /*REMEMBER to set totalen to len in the linking code!!*/ + if (prop->data.pointer) { + BLO_write_raw(writer, (int)MEM_allocN_len(prop->data.pointer), prop->data.pointer); + + if (prop->subtype == IDP_GROUP) { + IDProperty **array = prop->data.pointer; + int a; + + for (a = 0; a < prop->len; a++) { + IDP_BlendWrite(writer, array[a]); + } + } + } +} + +static void IDP_WriteIDPArray(const IDProperty *prop, BlendWriter *writer) +{ + /*REMEMBER to set totalen to len in the linking code!!*/ + if (prop->data.pointer) { + const IDProperty *array = prop->data.pointer; + int a; + + BLO_write_struct_array(writer, IDProperty, prop->len, array); + + for (a = 0; a < prop->len; a++) { + IDP_WriteProperty_OnlyData(&array[a], writer); + } + } +} + +static void IDP_WriteString(const IDProperty *prop, BlendWriter *writer) +{ + /*REMEMBER to set totalen to len in the linking code!!*/ + BLO_write_raw(writer, prop->len, prop->data.pointer); +} + +static void IDP_WriteGroup(const IDProperty *prop, BlendWriter *writer) +{ + IDProperty *loop; + + for (loop = prop->data.group.first; loop; loop = loop->next) { + IDP_BlendWrite(writer, loop); + } +} + +/* Functions to read/write ID Properties */ +void IDP_WriteProperty_OnlyData(const IDProperty *prop, BlendWriter *writer) +{ + switch (prop->type) { + case IDP_GROUP: + IDP_WriteGroup(prop, writer); + break; + case IDP_STRING: + IDP_WriteString(prop, writer); + break; + case IDP_ARRAY: + IDP_WriteArray(prop, writer); + break; + case IDP_IDPARRAY: + IDP_WriteIDPArray(prop, writer); + break; + } +} + +void IDP_BlendWrite(BlendWriter *writer, const IDProperty *prop) +{ + BLO_write_struct(writer, IDProperty, prop); + IDP_WriteProperty_OnlyData(prop, writer); +} + +static void IDP_DirectLinkProperty(IDProperty *prop, BlendDataReader *reader); + +static void IDP_DirectLinkIDPArray(IDProperty *prop, BlendDataReader *reader) +{ + IDProperty *array; + int i; + + /* since we didn't save the extra buffer, set totallen to len */ + prop->totallen = prop->len; + BLO_read_data_address(reader, &prop->data.pointer); + + array = (IDProperty *)prop->data.pointer; + + /* note!, idp-arrays didn't exist in 2.4x, so the pointer will be cleared + * there's not really anything we can do to correct this, at least don't crash */ + if (array == NULL) { + prop->len = 0; + prop->totallen = 0; + } + + for (i = 0; i < prop->len; i++) { + IDP_DirectLinkProperty(&array[i], reader); + } +} + +static void IDP_DirectLinkArray(IDProperty *prop, BlendDataReader *reader) +{ + IDProperty **array; + int i; + + /* since we didn't save the extra buffer, set totallen to len */ + prop->totallen = prop->len; + + if (prop->subtype == IDP_GROUP) { + BLO_read_pointer_array(reader, &prop->data.pointer); + array = prop->data.pointer; + + for (i = 0; i < prop->len; i++) { + IDP_DirectLinkProperty(array[i], reader); + } + } + else if (prop->subtype == IDP_DOUBLE) { + BLO_read_double_array(reader, prop->len, (double **)&prop->data.pointer); + } + else { + /* also used for floats */ + BLO_read_int32_array(reader, prop->len, (int **)&prop->data.pointer); + } +} + +static void IDP_DirectLinkString(IDProperty *prop, BlendDataReader *reader) +{ + /*since we didn't save the extra string buffer, set totallen to len.*/ + prop->totallen = prop->len; + BLO_read_data_address(reader, &prop->data.pointer); +} + +static void IDP_DirectLinkGroup(IDProperty *prop, BlendDataReader *reader) +{ + ListBase *lb = &prop->data.group; + IDProperty *loop; + + BLO_read_list(reader, lb); + + /*Link child id properties now*/ + for (loop = prop->data.group.first; loop; loop = loop->next) { + IDP_DirectLinkProperty(loop, reader); + } +} + +static void IDP_DirectLinkProperty(IDProperty *prop, BlendDataReader *reader) +{ + switch (prop->type) { + case IDP_GROUP: + IDP_DirectLinkGroup(prop, reader); + break; + case IDP_STRING: + IDP_DirectLinkString(prop, reader); + break; + case IDP_ARRAY: + IDP_DirectLinkArray(prop, reader); + break; + case IDP_IDPARRAY: + IDP_DirectLinkIDPArray(prop, reader); + break; + case IDP_DOUBLE: + /* Workaround for doubles. + * They are stored in the same field as `int val, val2` in the #IDPropertyData struct, + * they have to deal with endianness specifically. + * + * In theory, val and val2 would've already been swapped + * if switch_endian is true, so we have to first un-swap + * them then re-swap them as a single 64-bit entity. */ + if (BLO_read_requires_endian_switch(reader)) { + BLI_endian_switch_int32(&prop->data.val); + BLI_endian_switch_int32(&prop->data.val2); + BLI_endian_switch_int64((int64_t *)&prop->data.val); + } + break; + case IDP_INT: + case IDP_FLOAT: + case IDP_ID: + break; /* Nothing special to do here. */ + default: + /* Unknown IDP type, nuke it (we cannot handle unknown types everywhere in code, + * IDP are way too polymorphic to do it safely. */ + printf( + "%s: found unknown IDProperty type %d, reset to Integer one !\n", __func__, prop->type); + /* Note: we do not attempt to free unknown prop, we have no way to know how to do that! */ + prop->type = IDP_INT; + prop->subtype = 0; + IDP_Int(prop) = 0; + } +} + +void IDP_BlendReadData_impl(BlendDataReader *reader, IDProperty **prop, const char *caller_func_id) +{ + if (*prop) { + if ((*prop)->type == IDP_GROUP) { + IDP_DirectLinkGroup(*prop, reader); + } + else { + /* corrupt file! */ + printf("%s: found non group data, freeing type %d!\n", caller_func_id, (*prop)->type); + /* don't risk id, data's likely corrupt. */ + // IDP_FreePropertyContent(*prop); + *prop = NULL; + } + } +} + +void IDP_BlendReadLib(BlendLibReader *reader, IDProperty *prop) +{ + if (!prop) { + return; + } + + switch (prop->type) { + case IDP_ID: /* PointerProperty */ + { + void *newaddr = BLO_read_get_new_id_address(reader, NULL, IDP_Id(prop)); + if (IDP_Id(prop) && !newaddr && G.debug) { + printf("Error while loading \"%s\". Data not found in file!\n", prop->name); + } + prop->data.pointer = newaddr; + break; + } + case IDP_IDPARRAY: /* CollectionProperty */ + { + IDProperty *idp_array = IDP_IDPArray(prop); + for (int i = 0; i < prop->len; i++) { + IDP_BlendReadLib(reader, &(idp_array[i])); + } + break; + } + case IDP_GROUP: /* PointerProperty */ + { + LISTBASE_FOREACH (IDProperty *, loop, &prop->data.group) { + IDP_BlendReadLib(reader, loop); + } + break; + } + default: + break; /* Nothing to do for other IDProps. */ + } +} + +void IDP_BlendReadExpand(struct BlendExpander *expander, IDProperty *prop) +{ + if (!prop) { + return; + } + + switch (prop->type) { + case IDP_ID: + BLO_expand(expander, IDP_Id(prop)); + break; + case IDP_IDPARRAY: { + IDProperty *idp_array = IDP_IDPArray(prop); + for (int i = 0; i < prop->len; i++) { + IDP_BlendReadExpand(expander, &idp_array[i]); + } + break; + } + case IDP_GROUP: + LISTBASE_FOREACH (IDProperty *, loop, &prop->data.group) { + IDP_BlendReadExpand(expander, loop); + } + break; + } +} + /** \} */ |