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EEVEE-Next: Add automatic convertion of Materials without Shadows

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This add the cycles compatible way of disabling shadows
on materials using a node setup.

Pretty straight-forward and only done on EEVEE materials.
This commit is contained in:
Clément Foucault
2024-06-11 10:33:45 +02:00
parent 093997037f
commit 1882c2df94
1 changed files with 58 additions and 0 deletions
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58
source/blender/blenloader/intern/versioning_400.cc
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@@ -344,6 +344,60 @@ static void versioning_eevee_shadow_settings(Object *object)
SET_FLAG_FROM_TEST(object->visibility_flag, hide_shadows, OB_HIDE_SHADOW);
}
static void versioning_eevee_material_shadow_none(Material *material)
{
if (!material->use_nodes || material->nodetree == nullptr) {
return;
}
bNodeTree *ntree = material->nodetree;
bNode *output_node = version_eevee_output_node_get(ntree, SH_NODE_OUTPUT_MATERIAL);
if (output_node == nullptr) {
return;
}
bNodeSocket *out_sock = blender::bke::nodeFindSocket(output_node, SOCK_IN, "Surface");
bNode *mix_node = blender::bke::nodeAddNode(nullptr, ntree, "ShaderNodeMixShader");
STRNCPY(mix_node->label, "Disable Shadow");
mix_node->flag |= NODE_HIDDEN;
mix_node->parent = output_node->parent;
mix_node->locx = output_node->locx;
mix_node->locy = output_node->locy - output_node->height - 120;
bNodeSocket *mix_fac = static_cast<bNodeSocket *>(BLI_findlink(&mix_node->inputs, 0));
bNodeSocket *mix_in_1 = static_cast<bNodeSocket *>(BLI_findlink(&mix_node->inputs, 1));
bNodeSocket *mix_in_2 = static_cast<bNodeSocket *>(BLI_findlink(&mix_node->inputs, 2));
bNodeSocket *mix_out = static_cast<bNodeSocket *>(BLI_findlink(&mix_node->outputs, 0));
if (out_sock->link != nullptr) {
blender::bke::nodeAddLink(
ntree, out_sock->link->fromnode, out_sock->link->fromsock, mix_node, mix_in_1);
blender::bke::nodeRemLink(ntree, out_sock->link);
}
blender::bke::nodeAddLink(ntree, mix_node, mix_out, output_node, out_sock);
bNode *lp_node = blender::bke::nodeAddNode(nullptr, ntree, "ShaderNodeLightPath");
lp_node->flag |= NODE_HIDDEN;
lp_node->parent = output_node->parent;
lp_node->locx = output_node->locx;
lp_node->locy = mix_node->locy + 35;
bNodeSocket *is_shadow = blender::bke::nodeFindSocket(lp_node, SOCK_OUT, "Is Shadow Ray");
blender::bke::nodeAddLink(ntree, lp_node, is_shadow, mix_node, mix_fac);
/* Hide unconnected sockets for cleaner look. */
LISTBASE_FOREACH (bNodeSocket *, sock, &lp_node->outputs) {
if (sock != is_shadow) {
sock->flag |= SOCK_HIDDEN;
}
}
bNode *bsdf_node = blender::bke::nodeAddNode(nullptr, ntree, "ShaderNodeBsdfTransparent");
bsdf_node->flag |= NODE_HIDDEN;
bsdf_node->parent = output_node->parent;
bsdf_node->locx = output_node->locx;
bsdf_node->locy = mix_node->locy - 35;
bNodeSocket *bsdf_out = blender::bke::nodeFindSocket(bsdf_node, SOCK_OUT, "BSDF");
blender::bke::nodeAddLink(ntree, bsdf_node, bsdf_out, mix_node, mix_in_2);
}
/**
* Represents a source of transparency inside the closure part of a material node-tree.
* Sources can be combined together down the tree to figure out where the source of the alpha is.
@@ -884,6 +938,10 @@ void do_versions_after_linking_400(FileData *fd, Main *bmain)
material->id.name + 2);
}
}
if (material->blend_shadow == MA_BS_NONE) {
versioning_eevee_material_shadow_none(material);
}
/* Set blend_mode & blend_shadow for forward compatibility. */
material->blend_method = (material->blend_method != MA_BM_BLEND) ? MA_BM_HASHED :
MA_BM_BLEND;