public UniformsAndFunctions(IEnumerable <NodeHelper <NodeInfo> > nodes, IList <NodeHelper <NodeInfo> > uniforms,
ICodeGen codeGen)
{
Uniforms = new HashSet <NodeHelper <NodeInfo> >(uniforms);
_visitedFunctions = new HashSet <string>();
Functions = new List <RequiredFunction>();
foreach (var scriptNode in nodes)
{
foreach (var uniform in codeGen.GetRequiredUniforms(scriptNode))
{
Uniforms.Add(uniform);
}
foreach (var requiredFunction in codeGen.GetRequiredFunctions(scriptNode))
{
AddFunction(requiredFunction, codeGen);
}
}
foreach (var shaderUniform in Uniforms)
{
if (shaderUniform.Extra == null)
{
shaderUniform.Extra = new NodeInfo {
Define = new PaintDefines.Container {
IsAlways = true
}
}
}
}
;
}
private void AddFunction(RequiredFunction requiredFunction, ICodeGen codeGen)
{
if (!_visitedFunctions.Add(requiredFunction.Name))
{
return;
}
foreach (var uniform in codeGen.GetRequiredUniforms(requiredFunction))
{
Uniforms.Add(uniform);
}
foreach (var depFunction in codeGen.GetRequiredFunctions(requiredFunction))
{
AddFunction(depFunction, codeGen);
}
Functions.Add(requiredFunction);
}