forked from blender/blender
Export other channels and parameters from texture nodes #16
@ -9,6 +9,8 @@
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namespace blender::nodes::materialx {
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static const std::string TEXCOORD_NODE_NAME = "node_texcoord";
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NodeParser::NodeParser(MaterialX::GraphElement *graph,
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const Depsgraph *depsgraph,
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const Material *material,
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@ -81,6 +83,17 @@ NodeItem NodeParser::empty() const
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return NodeItem(graph_);
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}
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NodeItem NodeParser::texcoord_node()
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{
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NodeItem res = empty();
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res.node = graph_->getNode(TEXCOORD_NODE_NAME);
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if (!res.node) {
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res = create_node("texcoord", "vector2");
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res.node->setName(TEXCOORD_NODE_NAME);
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}
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return res;
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}
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NodeItem NodeParser::get_input_default(const bNodeSocket &socket, NodeItem::Type to_type)
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{
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NodeItem res = empty();
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@ -42,6 +42,7 @@ class NodeParser {
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NodeItem get_input_value(int index, NodeItem::Type to_type);
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NodeItem empty() const;
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template<class T> NodeItem value(const T &data) const;
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NodeItem texcoord_node();
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private:
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NodeItem get_input_default(const bNodeSocket &socket, NodeItem::Type to_type);
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@ -14,7 +14,7 @@ NodeItem TexCheckerNodeParser::compute()
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NodeItem scale = get_input_value("Scale", NodeItem::Type::Float);
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if (!vector) {
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vector = create_node("texcoord", "vector2");
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vector = texcoord_node();
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}
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vector = (vector * scale) % value(2.0f);
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NodeItem mix = (vector.extract(0).floor() + vector.extract(1).floor())
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@ -4,7 +4,9 @@
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#include "node_parser.h"
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#ifdef WITH_HYDRA
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#include "hydra/image.h"
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#endif
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#include "DEG_depsgraph_query.h"
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@ -17,14 +19,15 @@ NodeItem TexEnvironmentNodeParser::compute()
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Scene *scene = DEG_get_input_scene(depsgraph_);
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Main *bmain = DEG_get_bmain(depsgraph_);
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std::string image_path;
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#ifdef WITH_HYDRA
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/* TODO: What if Blender built without Hydra? Also io::hydra::cache_or_get_image_file contains
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* pretty general code, so could be moved from bf_usd project. */
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#ifdef WITH_HYDRA
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image_path = io::hydra::cache_or_get_image_file(bmain, scene, image, &tex->iuser);
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#endif
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NodeItem texcoord = create_node("texcoord", "vector2");
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NodeItem res = create_node("image", "color3");
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NodeItem texcoord = texcoord_node();
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NodeItem res = create_node("image", "color4");
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res.set_input("file", image_path, "filename");
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res.set_input("texcoord", texcoord);
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return res;
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@ -4,7 +4,9 @@
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#include "node_parser.h"
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#include "hydra/image.h"
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#ifdef WITH_HYDRA
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# include "hydra/image.h"
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#endif
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#include "DEG_depsgraph_query.h"
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@ -17,14 +19,15 @@ NodeItem TexImageNodeParser::compute()
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Scene *scene = DEG_get_input_scene(depsgraph_);
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Main *bmain = DEG_get_bmain(depsgraph_);
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std::string image_path;
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#ifdef WITH_HYDRA
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/* TODO: What if Blender built without Hydra? Also io::hydra::cache_or_get_image_file contains
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* pretty general code, so could be moved from bf_usd project. */
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#ifdef WITH_HYDRA
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image_path = io::hydra::cache_or_get_image_file(bmain, scene, image, &tex->iuser);
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#endif
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NodeItem texcoord = create_node("texcoord", "vector2");
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NodeItem res = create_node("image", "color3");
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NodeItem texcoord = texcoord_node();
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NodeItem res = create_node("image", "color4");
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res.set_input("file", image_path, "filename");
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res.set_input("texcoord", texcoord);
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return res;
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