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Fix preview for global expressions in visual shaders (#31505)

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Fix preview for global expressions in visual shaders
This commit is contained in:
Yuri Roubinsky 2019-08-20 21:11:28 +03:00 committed by GitHub
commit 093798c976
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1 changed files with 19 additions and 0 deletions
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19
scene/resources/visual_shader.cpp
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@ -612,6 +612,25 @@ String VisualShader::generate_preview_shader(Type p_type, int p_node, int p_port
global_code += String() + "shader_type canvas_item;\n";
String global_expressions;
for (int i = 0, index = 0; i < TYPE_MAX; i++) {
for (Map<int, Node>::Element *E = graph[i].nodes.front(); E; E = E->next()) {
Ref<VisualShaderNodeGlobalExpression> global_expression = Object::cast_to<VisualShaderNodeGlobalExpression>(E->get().node.ptr());
if (global_expression.is_valid()) {
String expr = "";
expr += "// " + global_expression->get_caption() + ":" + itos(index++) + "\n";
expr += global_expression->generate_global(get_mode(), Type(i), -1);
expr = expr.replace("\n", "\n\t");
expr += "\n";
global_expressions += expr;
}
}
}
global_code += "\n";
global_code += global_expressions;
//make it faster to go around through shader
VMap<ConnectionKey, const List<Connection>::Element *> input_connections;
VMap<ConnectionKey, const List<Connection>::Element *> output_connections;