missing files

src/crayg/src/scene/shadingnetworks/shadingnodes/ColorToFloat.cpp

@@ -0,0 +1,26 @@
+#include "ColorToFloat.h"
+
+namespace crayg {
+
+std::string ColorToFloat::getType() const {
+    return "ColorToFloat";
+}
+
+ShadingNodeOutputType ColorToFloat::getOutputType() {
+    return ShadingNodeOutputType::FLOAT;
+}
+
+float ColorToFloat::evaluateFloat(const SurfaceInteraction &surfaceInteraction) {
+    const Color evaluatedColor = colorInput.evaluate(surfaceInteraction);
+    switch (colorToFloatMode) {
+    case ColorToFloatMode::R:
+        return evaluatedColor.r;
+    case ColorToFloatMode::G:
+        return evaluatedColor.g;
+    case ColorToFloatMode::B:
+        return evaluatedColor.b;
+    default:
+        return 0;
+    }
+}
+} // crayg

src/crayg/src/scene/shadingnetworks/shadingnodes/ColorToFloat.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "scene/shadingnetworks/ShadingNode.h"
+
+namespace crayg {
+
+enum class ColorToFloatMode { R, G, B };
+
+class ColorToFloat : public ShadingNode {
+  public:
+    float evaluateFloat(const SurfaceInteraction &surfaceInteraction) override;
+    std::string getType() const override;
+    ShadingNodeOutputType getOutputType() override;
+
+    ColorShadingNodeInput colorInput;
+    ColorToFloatMode colorToFloatMode;
+};
+
+}
+
+CRAYG_FMT_ENUM_FORMATTER(crayg::ColorToFloatMode);