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WIP: MaterialX: Implement Script node #113341

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Georgiy Markelov wants to merge 5 commits from DagerD/blender:matx-add-script-node into main
pull from: DagerD/blender:matx-add-script-node
merge into: blender:main

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Conversation 1 Commits 5 Files Changed 1 +92 -21
Georgiy Markelov commented 2023-10-06 13:00:13 +02:00
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Purpose

Implement conversion for Script node

Technical steps

Implemented conversion for Script node

Ref: #112864

### Purpose Implement conversion for Script node ### Technical steps Implemented conversion for Script node Ref: https://projects.blender.org/blender/blender/issues/112864
Georgiy Markelov added 3 commits 2023-10-06 13:00:20 +02:00
Georgiy Markelov requested review from Bogdan Nagirniak 2023-10-06 13:00:31 +02:00
Georgiy Markelov requested review from Vasyl Pidhirskyi 2023-10-06 13:00:31 +02:00
Bogdan Nagirniak requested changes 2023-10-06 14:06:31 +02:00
source/blender/nodes/shader/materialx/material.cc Outdated
@ -66,0 +74,4 @@
/* Look for first script node with assigned file.
* If it's found, we load content and ignore everything other. */
LISTBASE_FOREACH (bNode *, node, &material->nodetree->nodes) {
if (node->typeinfo->type == SH_NODE_SCRIPT) {
Bogdan Nagirniak commented 2023-10-06 14:00:45 +02:00
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move this part with if to separate function

move this part with `if` to separate function
DagerD marked this conversation as resolved
source/blender/nodes/shader/materialx/material.cc Outdated
@ -66,0 +102,4 @@
Text *text = reinterpret_cast<Text *>(node->id);
if (text) {
script_found = true;
std::string text_content;
Bogdan Nagirniak commented 2023-10-06 14:02:02 +02:00
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Seem std::stringstream suits better here.

Seem `std::stringstream` suits better here.
DagerD marked this conversation as resolved
source/blender/nodes/shader/materialx/material.cc Outdated
@ -66,2 +126,3 @@
bNode *output_node = ntreeShaderOutputNode(material->nodetree, SHD_OUTPUT_ALL);
if (output_node) {
if (output_node && !script_found) {
Bogdan Nagirniak commented 2023-10-06 14:06:26 +02:00
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Should be

if (!script_found) {
....

Otherwise else block will beexecuted

Should be ``` if (!script_found) { .... ``` Otherwise `else` block will beexecuted
DagerD marked this conversation as resolved
Georgiy Markelov added 1 commit 2023-10-06 17:08:59 +02:00
Georgiy Markelov requested review from Bogdan Nagirniak 2023-10-06 17:09:40 +02:00
Georgiy Markelov requested review from Brian Savery (AMD) 2023-10-06 17:10:12 +02:00
Bogdan Nagirniak requested changes 2023-10-06 20:58:50 +02:00
source/blender/nodes/shader/materialx/material.cc Outdated
@ -57,0 +72,4 @@
if (node->typeinfo->type == SH_NODE_SCRIPT) {
NodeShaderScript *script = static_cast<NodeShaderScript *>(node->storage);
if (script->mode == NODE_SCRIPT_EXTERNAL) {
if (script->filepath[0] != '\0') {
Bogdan Nagirniak commented 2023-10-06 20:08:17 +02:00
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Use explicit STREQ(script->filepath, "")

Use explicit `STREQ(script->filepath, "")`
DagerD marked this conversation as resolved
source/blender/nodes/shader/materialx/material.cc Outdated
@ -57,0 +92,4 @@
material->id.name,
node->name);
}
break;
Bogdan Nagirniak commented 2023-10-06 20:58:08 +02:00
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I think no need to use script_found just return true here

I think no need to use `script_found` just `return true` here
DagerD marked this conversation as resolved
source/blender/nodes/shader/materialx/material.cc
@ -87,0 +138,4 @@
* If it's found, we load content and ignore everything other. */
script_found = export_script_node(doc, depsgraph, material);
if (!script_found) {
Bogdan Nagirniak commented 2023-10-06 20:58:45 +02:00
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if (!export_script_node(doc, depsgraph, material)) {

`if (!export_script_node(doc, depsgraph, material)) {`
DagerD marked this conversation as resolved
Georgiy Markelov added 1 commit 2023-10-09 11:12:24 +02:00
Bogdan Nagirniak approved these changes 2023-10-09 17:25:28 +02:00
Bogdan Nagirniak left a comment
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Tested - works good

Tested - works good
Georgiy Markelov requested review from Brecht Van Lommel 2023-10-09 17:25:42 +02:00
Brecht Van Lommel requested changes 2023-10-09 17:54:04 +02:00
Brecht Van Lommel left a comment
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I thought a script node would work like the existing ones, where it gets inputs and outputs that you connect to other things. If it's just using the first script node in the shader graph and ignores everything else, it doesn't seem like that functionality should be a node at all.

This sounds more like it sound be a material wide property that disables the node graph for that material. And then later it could support viewing and editing the contents of the MaterialX file in Blender.

I thought a script node would work like the existing ones, where it gets inputs and outputs that you connect to other things. If it's just using the first script node in the shader graph and ignores everything else, it doesn't seem like that functionality should be a node at all. This sounds more like it sound be a material wide property that disables the node graph for that material. And then later it could support viewing and editing the contents of the MaterialX file in Blender.
Georgiy Markelov changed title from MaterialX: Implement Script node to WIP: MaterialX: Implement Script node 2023-10-11 15:31:31 +02:00
Georgiy Markelov commented 2023-10-11 15:42:48 +02:00
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Yes, your proposal looks better, need to investigate more this task, set to WIP.

Yes, your proposal looks better, need to investigate more this task, set to WIP.
This pull request has changes conflicting with the target branch.
  • source/blender/nodes/shader/materialx/material.cc
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From your project repository, check out a new branch and test the changes.
git fetch -u matx-add-script-node:DagerD-matx-add-script-node
git checkout DagerD-matx-add-script-node
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Bogdan Nagirniak
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Reference: blender/blender#113341
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