Differential D4588 Diff 14899 source/blender/blenloader/intern/versioning_cycles.c

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source/blender/blenloader/intern/versioning_cycles.c

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#include "readfile.h"		#include "readfile.h"

static float cycles_node_socket_float_value(bNodeSocket socket)		static float cycles_node_socket_float_value(bNodeSocket socket)
{		{
bNodeSocketValueFloat *socket_data = socket->default_value;		bNodeSocketValueFloat *socket_data = socket->default_value;
return &socket_data->value;		return &socket_data->value;
}		}

		static float cycles_node_socket_rgba_value(bNodeSocket socket)
		{
		bNodeSocketValueRGBA *socket_data = socket->default_value;
		return socket_data->value;
		}

static IDProperty cycles_properties_from_ID(ID id)		static IDProperty cycles_properties_from_ID(ID id)
{		{
IDProperty *idprop = IDP_GetProperties(id, false);		IDProperty *idprop = IDP_GetProperties(id, false);
return (idprop) ? IDP_GetPropertyTypeFromGroup(idprop, "cycles", IDP_GROUP) : NULL;		return (idprop) ? IDP_GetPropertyTypeFromGroup(idprop, "cycles", IDP_GROUP) : NULL;
}		}

static float cycles_property_float(IDProperty idprop, const char name, float default_value)		static float cycles_property_float(IDProperty idprop, const char name, float default_value)
{		{
▲ Show 20 Lines • Show All 199 Lines • ▼ Show 20 Lines	for (bNodeLink *link = ntree->links.last; link; link = prevlink) {
need_update = true;		need_update = true;
}		}

if (need_update) {		if (need_update) {
ntreeUpdateTree(NULL, ntree);		ntreeUpdateTree(NULL, ntree);
}		}
}		}

		static void light_emission_node_to_energy(Light light, float energy, float color[3])
		{
		*energy = 1.0;
		copy_v3_fl(color, 1.0f);

		/* If nodetree has animation or drivers, don't try to convert. */
		bNodeTree *ntree = light->nodetree;
		if (ntree == NULL \|\| ntree->adt) {
		return;
		}

		/* Find emission node */
		bNode *output_node = ntreeShaderOutputNode(ntree, SHD_OUTPUT_CYCLES);
		if (output_node == NULL) {
		return;
		}

		bNode *emission_node = NULL;
		for (bNodeLink *link = ntree->links.first; link; link = link->next) {
		if (link->tonode == output_node && link->fromnode->type == SH_NODE_EMISSION) {
		emission_node = link->fromnode;
		break;
		}
		}

		if (emission_node == NULL) {
		return;
		}

		/* Don't convert if anything is linked */
		bNodeSocket *strength_socket = nodeFindSocket(emission_node, SOCK_IN, "Strength");
		bNodeSocket *color_socket = nodeFindSocket(emission_node, SOCK_IN, "Color");

		if ((strength_socket->flag & SOCK_IN_USE) \|\| (color_socket->flag & SOCK_IN_USE)) {
		return;
		}

		float *strength_value = cycles_node_socket_float_value(strength_socket);
		float *color_value = cycles_node_socket_rgba_value(color_socket);

		energy = strength_value;
		copy_v3_v3(color, color_value);

		*strength_value = 1.0f;
		copy_v4_fl(color_value, 1.0f);
		light->use_nodes = false;
		}

		static void light_emission_unify(Light light, const char engine)
		{
		if (light->type != LA_SUN) {
		light->energy *= 100.0f;
		}

		/* Attempt to extract constant energy and color from nodes. */
		bool use_nodes = light->use_nodes;
		float energy, color[3];
		light_emission_node_to_energy(light, &energy, color);

		if (STREQ(engine, "CYCLES")) {
		if (use_nodes) {
		/* Energy extracted from nodes */
		light->energy = energy;
		copy_v3_v3(&light->r, color);
		}
		else {
		/* Default cycles multipliers if there are no nodes */
		if (light->type == LA_SUN) {
		light->energy = 1.0f;
		}
		else {
		light->energy = 100.0f;
		}
		}
		}
		else {
		/* Disable nodes if scene was configured for Eevee */
		light->use_nodes = false;
		}
		}

void blo_do_versions_cycles(FileData UNUSED(fd), Library UNUSED(lib), Main *bmain)		void blo_do_versions_cycles(FileData UNUSED(fd), Library UNUSED(lib), Main *bmain)
{		{
/* Particle shape shared with Eevee. */		/* Particle shape shared with Eevee. */
if (!MAIN_VERSION_ATLEAST(bmain, 280, 16)) {		if (!MAIN_VERSION_ATLEAST(bmain, 280, 16)) {
for (ParticleSettings *part = bmain->particles.first; part; part = part->id.next) {		for (ParticleSettings *part = bmain->particles.first; part; part = part->id.next) {
IDProperty *cpart = cycles_properties_from_ID(&part->id);		IDProperty *cpart = cycles_properties_from_ID(&part->id);

if (cpart) {		if (cpart) {
▲ Show 20 Lines • Show All 51 Lines • ▼ Show 20 Lines	FOREACH_NODETREE_BEGIN (bmain, ntree, id) {
}		}

if (!MAIN_VERSION_ATLEAST(bmain, 279, 5)) {		if (!MAIN_VERSION_ATLEAST(bmain, 279, 5)) {
ambient_occlusion_node_relink(ntree);		ambient_occlusion_node_relink(ntree);
}		}
}		}
FOREACH_NODETREE_END;		FOREACH_NODETREE_END;
}		}

		if (!MAIN_VERSION_ATLEAST(bmain, 280, 60)) {
		/* Unfiy Cycles and Eevee settings. */
		/* TODO: weak */
		Scene *scene = bmain->scenes.first;
		const char *engine = (scene) ? scene->r.engine : "CYCLES";

		for (Light *light = bmain->lights.first; light; light = light->id.next) {
		light_emission_unify(light, engine);
		}
		}
}		}