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Differential D4500 Diff 17980 source/blender/makesdna/intern/dna_genfile.c

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source/blender/makesdna/intern/dna_genfile.c

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* - double: 8 aligned. * - double: 8 aligned.
* - long: 8 aligned. * - long: 8 aligned.
* - int64: 8 aligned. * - int64: 8 aligned.
* - struct: 8 aligned. * - struct: 8 aligned.
* - the sdna functions have several error prints builtin, * - the sdna functions have several error prints builtin,
* always check blender running from a console. * always check blender running from a console.
*/ */
/** If we get here there is no old data, initialize from the default (if it exists). */
#define USE_RECONSTRUCT_DEFAULTS
#ifdef USE_RECONSTRUCT_DEFAULTS
# include "DNA_defaults.h"
#endif
#ifdef __BIG_ENDIAN__ #ifdef __BIG_ENDIAN__
/* Big Endian */ /* Big Endian */
# define MAKE_ID(a, b, c, d) ((int)(a) << 24 | (int)(b) << 16 | (c) << 8 | (d)) # define MAKE_ID(a, b, c, d) ((int)(a) << 24 | (int)(b) << 16 | (c) << 8 | (d))
#else #else
/* Little Endian */ /* Little Endian */
# define MAKE_ID(a, b, c, d) ((int)(d) << 24 | (int)(c) << 16 | (b) << 8 | (a)) # define MAKE_ID(a, b, c, d) ((int)(d) << 24 | (int)(c) << 16 | (b) << 8 | (a))
#endif #endif
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* \param newsdna: SDNA of current Blender * \param newsdna: SDNA of current Blender
* \param oldsdna: SDNA of Blender that saved file * \param oldsdna: SDNA of Blender that saved file
* \param type: current field type name * \param type: current field type name
* \param new_name_nr: current field name number. * \param new_name_nr: current field name number.
* \param curdata: put field data converted to newsdna here * \param curdata: put field data converted to newsdna here
* \param old: pointer to struct info in oldsdna * \param old: pointer to struct info in oldsdna
* \param olddata: struct contents laid out according to oldsdna * \param olddata: struct contents laid out according to oldsdna
*/ */
static void reconstruct_elem(const SDNA *newsdna, static bool reconstruct_elem(const SDNA *newsdna,
const SDNA *oldsdna, const SDNA *oldsdna,
const char *type, const char *type,
const int new_name_nr, const int new_name_nr,
char *curdata, char *curdata,
const short *old, const short *old,
const char *olddata) const char *olddata)
{ {
/* rules: test for NAME: /* rules: test for NAME:
Show All 40 Lines if (strcmp(name, oname) == 0) { /* name equal */
} }
else if (strcmp(type, otype) == 0) { /* type equal */ else if (strcmp(type, otype) == 0) { /* type equal */
memcpy(curdata, olddata, len); memcpy(curdata, olddata, len);
} }
else { else {
cast_elem(type, otype, newsdna->names_array_len[new_name_nr], curdata, olddata); cast_elem(type, otype, newsdna->names_array_len[new_name_nr], curdata, olddata);
} }
return; return true;
} }
else if (countpos != 0) { /* name is an array */ else if (countpos != 0) { /* name is an array */
if (oname[countpos] == '[' && strncmp(name, oname, countpos) == 0) { /* basis equal */ if (oname[countpos] == '[' && strncmp(name, oname, countpos) == 0) { /* basis equal */
const int new_name_array_len = newsdna->names_array_len[new_name_nr]; const int new_name_array_len = newsdna->names_array_len[new_name_nr];
const int old_name_array_len = oldsdna->names_array_len[old_name_nr]; const int old_name_array_len = oldsdna->names_array_len[old_name_nr];
const int min_name_array_len = MIN2(new_name_array_len, old_name_array_len); const int min_name_array_len = MIN2(new_name_array_len, old_name_array_len);
Show All 12 Lines else if (countpos != 0) { /* name is an array */
if (old_name_array_len > new_name_array_len && strcmp(type, "char") == 0) { if (old_name_array_len > new_name_array_len && strcmp(type, "char") == 0) {
/* string had to be truncated, ensure it's still null-terminated */ /* string had to be truncated, ensure it's still null-terminated */
curdata[mul - 1] = '\0'; curdata[mul - 1] = '\0';
} }
} }
else { else {
cast_elem(type, otype, min_name_array_len, curdata, olddata); cast_elem(type, otype, min_name_array_len, curdata, olddata);
} }
return; return true;
} }
} }
olddata += len; olddata += len;
} }
return false;
} }
/** /**
* Converts the contents of an entire struct from oldsdna to newsdna format. * Converts the contents of an entire struct from oldsdna to newsdna format.
* *
* \param newsdna: SDNA of current Blender * \param newsdna: SDNA of current Blender
* \param oldsdna: SDNA of Blender that saved file * \param oldsdna: SDNA of Blender that saved file
* \param compflags: * \param compflags:
Show All 22 Linesstatic void reconstruct_struct(const SDNA *newsdna,
const char *type; const char *type;
const char *cpo; const char *cpo;
char *cpc; char *cpc;
const char *name; const char *name;
unsigned int oldsdna_index_last = UINT_MAX; unsigned int oldsdna_index_last = UINT_MAX;
unsigned int cursdna_index_last = UINT_MAX; unsigned int cursdna_index_last = UINT_MAX;
if (oldSDNAnr == -1) { if (curSDNAnr == -1) {
return; return;
} }
if (curSDNAnr == -1) { if (oldSDNAnr == -1) {
#ifdef USE_RECONSTRUCT_DEFAULTS
const char *cur_default = DNA_default_table[curSDNAnr];
if (cur_default != NULL) {
memcpy(cur, cur_default, newsdna->types_size[curSDNAnr]);
}
#endif
return; return;
} }
if (compflags[oldSDNAnr] == SDNA_CMP_EQUAL) { if (compflags[oldSDNAnr] == SDNA_CMP_EQUAL) {
/* if recursive: test for equal */ /* if recursive: test for equal */
spo = oldsdna->structs[oldSDNAnr]; spo = oldsdna->structs[oldSDNAnr];
elen = oldsdna->types_size[spo[0]]; elen = oldsdna->types_size[spo[0]];
memcpy(cur, data, elen); memcpy(cur, data, elen);
return; return;
} }
const char *cur_default = DNA_default_table[curSDNAnr];
firststructtypenr = *(newsdna->structs[0]); firststructtypenr = *(newsdna->structs[0]);
spo = oldsdna->structs[oldSDNAnr]; spo = oldsdna->structs[oldSDNAnr];
spc = newsdna->structs[curSDNAnr]; spc = newsdna->structs[curSDNAnr];
elemcount = spc[1]; elemcount = spc[1];
spc += 2; spc += 2;
▲ Show 20 Lines • Show All 42 Lines • ▼ Show 20 Lines else if (spc[0] >= firststructtypenr && !ispointer(name)) {
} }
} }
else { else {
cpc += elen; /* skip field no longer present */ cpc += elen; /* skip field no longer present */
} }
} }
else { else {
/* non-struct field type */ /* non-struct field type */
reconstruct_elem(newsdna, oldsdna, type, spc[1], cpc, spo, data); if (!reconstruct_elem(newsdna, oldsdna, type, spc[1], cpc, spo, data)) {
#ifdef USE_RECONSTRUCT_DEFAULTS
if (cur_default != NULL) {
memcpy(cpc, cur_default + (cpc - cur), elen);
}
#endif
}
cpc += elen; cpc += elen;
} }
} }
} }
/** /**
* Does endian swapping on the fields of a struct value. * Does endian swapping on the fields of a struct value.
* *
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