Differential D2927 Diff 9587 source/blender/makesdna/intern/dna_genfile.c

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source/blender/makesdna/intern/dna_genfile.c

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/* *********************** READ DNA ******************** */		/* *********************** READ DNA ******************** */

BLI_INLINE const char pad_up_4(const char ptr)		BLI_INLINE const char pad_up_4(const char ptr)
{		{
return (const char *)((((uintptr_t)ptr) + 3) & ~3);		return (const char *)((((uintptr_t)ptr) + 3) & ~3);
}		}

/**		/**
		* Temporary DNA doversion for files that were created with Blender 2.80
		* between October 2016, and November 2017 (>=280.0 and < 280.2).
		*
		* /note This would be way more efficient if we can get the version from SDNA
		* So we could return true if version == 280 && subversion < 2.
		*
		* Returns true if we need to do the DNA renaming.
		*/
		static bool need_doversion_280(SDNA sdna, int data, const bool data_alloc)
		{
		if (data_alloc == false) {
		return false;
		}

		const char cp = (char )data;
		for (int nr = 0; nr < sdna->nr_names; nr++) {
		if (strcmp(cp, "*cur_render_layer") == 0) {
		return true;
		}

		while (*cp) cp++;
		cp++;
		}

		return false;
		}

		/**
* In sdna->data the data, now we convert that to something understandable		* In sdna->data the data, now we convert that to something understandable
*/		*/
static bool init_structDNA(		static bool init_structDNA(
SDNA *sdna, bool do_endian_swap,		SDNA *sdna, bool do_endian_swap,
		bool data_alloc,
const char **r_error_message)		const char **r_error_message)
{		{
int data, verg, gravity_fix = -1;		int data, verg, gravity_fix = -1;
short *sp;		short *sp;
char str[8];		char str[8];

verg = (int *)str;		verg = (int *)str;
data = (int *)sdna->data;		data = (int *)sdna->data;
Show All 28 Lines	if (data == verg) {

data++;		data++;
sdna->names = MEM_callocN(sizeof(void ) sdna->nr_names, "sdnanames");		sdna->names = MEM_callocN(sizeof(void ) sdna->nr_names, "sdnanames");
}		}
else {		else {
*r_error_message = "NAME error in SDNA file";		*r_error_message = "NAME error in SDNA file";
return false;		return false;
}		}

		/* Temporary DNA doversion for files that were created with Blender 2.80
		* between 280.0 and 280.2. */
		const bool doversion_280 = need_doversion_280(sdna, data, data_alloc);

cp = (char *)data;		cp = (char *)data;
for (int nr = 0; nr < sdna->nr_names; nr++) {		for (int nr = 0; nr < sdna->nr_names; nr++) {
sdna->names[nr] = cp;		sdna->names[nr] = cp;

/* "float gravity [3]" was parsed wrong giving both "gravity" and		/* "float gravity [3]" was parsed wrong giving both "gravity" and
* "[3]" members. we rename "[3]", and later set the type of		* "[3]" members. we rename "[3]", and later set the type of
* "gravity" to "void" so the offsets work out correct */		* "gravity" to "void" so the offsets work out correct */
if (*cp == '[' && strcmp(cp, "[3]") == 0) {		if (*cp == '[' && strcmp(cp, "[3]") == 0) {
if (nr && strcmp(sdna->names[nr - 1], "Cvi") == 0) {		if (nr && strcmp(sdna->names[nr - 1], "Cvi") == 0) {
sdna->names[nr] = "gravity[3]";		sdna->names[nr] = "gravity[3]";
gravity_fix = nr;		gravity_fix = nr;
}		}
}		}
		else if (doversion_280) {
		if (strcmp(cp, "*render_layer") == 0) {
		/* WorkSpace. */
		sdna->names[nr] = "*view_layer";
		}
		else if (strcmp(cp, "*scene_layer") == 0) {
		/* ParticleEditSettings. */
		sdna->names[nr] = "*view_layer";
		}
		else if (strcmp(cp, "render_layers") == 0) {
		/* Scene. */
		sdna->names[nr] = "view_layers";
		}
		else if (strcmp(cp, "active_layer") == 0) {
		/* Scene. */
		sdna->names[nr] = "active_view_layer";
		}
		else if (strcmp(cp, "*cur_render_layer") == 0) {
		/* FileGlobal. */
		sdna->names[nr] = "*cur_view_layer";
		}
		}

while (*cp) cp++;		while (*cp) cp++;
cp++;		cp++;
}		}

cp = pad_up_4(cp);		cp = pad_up_4(cp);

/* load type names array */		/* load type names array */
Show All 21 Lines	for (int nr = 0; nr < sdna->nr_types; nr++) {

/* this is a patch, to change struct names without a conflict with SDNA */		/* this is a patch, to change struct names without a conflict with SDNA */
/* be careful to use it, in this case for a system-struct (opengl/X) */		/* be careful to use it, in this case for a system-struct (opengl/X) */

if (*cp == 'b') {		if (*cp == 'b') {
/* struct Screen was already used by X, 'bScreen' replaces the old IrisGL 'Screen' struct */		/* struct Screen was already used by X, 'bScreen' replaces the old IrisGL 'Screen' struct */
if (strcmp("bScreen", cp) == 0) sdna->types[nr] = cp + 1;		if (strcmp("bScreen", cp) == 0) sdna->types[nr] = cp + 1;
}		}
		else if (doversion_280) {
		if (strcmp(cp, "SceneLayer") == 0) {
		sdna->types[nr] = "ViewLayer";
		}
		else if (strcmp(cp, "SceneLayerEngineData") == 0) {
		sdna->types[nr] = "ViewLayerEngineData";
		}
		}

while (*cp) cp++;		while (*cp) cp++;
cp++;		cp++;
}		}

cp = pad_up_4(cp);		cp = pad_up_4(cp);

/* load typelen array */		/* load typelen array */
▲ Show 20 Lines • Show All 126 Lines • ▼ Show 20 Lines	if (data_alloc) {
sdna->data = data_copy;		sdna->data = data_copy;
}		}
else {		else {
sdna->data = data;		sdna->data = data;
}		}
sdna->data_alloc = data_alloc;		sdna->data_alloc = data_alloc;


if (init_structDNA(sdna, do_endian_swap, &error_message)) {		if (init_structDNA(sdna, do_endian_swap, data_alloc, &error_message)) {
return sdna;		return sdna;
}		}
else {		else {
if (r_error_message == NULL) {		if (r_error_message == NULL) {
fprintf(stderr, "Error decoding blend file SDNA: %s\n", error_message);		fprintf(stderr, "Error decoding blend file SDNA: %s\n", error_message);
}		}
else {		else {
*r_error_message = error_message;		*r_error_message = error_message;
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