88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
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#if COMPILE_WITH_MATERIAL_GRAPH
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#include "MaterialGenerator.h"
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void MaterialGenerator::ProcessGroupTools(Box* box, Node* node, Value& value)
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{
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switch (node->TypeID)
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{
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// Fresnel
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case 1:
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case 4:
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{
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// Gets constants
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auto cameraVector = getCameraVector(node);
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// Get inputs
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Value exponent = tryGetValue(node->GetBox(0), 0, Value(5.0f)).AsFloat();
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Value fraction = tryGetValue(node->GetBox(1), 1, Value(0.04f)).AsFloat();
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Value normal = tryGetValue(node->GetBox(2), getNormal).AsVector3();
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// Write operations
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auto local1 = writeFunction2(node, normal, cameraVector, TEXT("dot"), VariantType::Float);
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auto local2 = writeFunction2(node, Value::Zero, local1, TEXT("max"));
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auto local3 = writeOperation2(node, Value::One, local2, '-');
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auto local4 = writeFunction2(node, local3, exponent, TEXT("ClampedPow"), VariantType::Float);
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auto local5 = writeLocal(VariantType::Float, String::Format(TEXT("{0} * (1.0 - {1})"), local4.Value, fraction.Value), node);
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auto local6 = writeOperation2(node, local5, fraction, '+');
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_includes.Add(TEXT("./Flax/Math.hlsl"));
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// Gets value
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value = local6;
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break;
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}
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// Desaturation
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case 2:
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{
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// Get inputs
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Value input = tryGetValue(node->GetBox(0), Value::Zero).AsVector3();
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Value scale = tryGetValue(node->GetBox(1), Value::Zero).AsFloat();
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Value luminanceFactors = Value(node->Values[0].AsVector3());
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// Write operations
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auto dot = writeFunction2(node, input, luminanceFactors, TEXT("dot"), VariantType::Float);
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value = writeFunction3(node, input, dot, scale, TEXT("lerp"), VariantType::Vector3);
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break;
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}
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// Time
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case 3:
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{
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value = getTime;
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break;
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}
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// Panner
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case 6:
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{
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// Get inputs
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const Value uv = tryGetValue(node->GetBox(0), getUVs).AsVector2();
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const Value time = tryGetValue(node->GetBox(1), getTime).AsFloat();
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const Value speed = tryGetValue(node->GetBox(2), Value::One).AsVector2();
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const bool useFractionalPart = (bool)node->Values[0];
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// Write operations
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auto local1 = writeOperation2(node, speed, time, '*');
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if (useFractionalPart)
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local1 = writeFunction1(node, local1, TEXT("frac"));
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value = writeOperation2(node, uv, local1, '+');
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break;
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}
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// Linearize Depth
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case 7:
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{
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// Get input
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const Value depth = tryGetValue(node->GetBox(0), Value::Zero).AsFloat();
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// Linearize raw device depth
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linearizeSceneDepth(node, depth, value);
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break;
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}
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default:
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ShaderGenerator::ProcessGroupTools(box, node, value);
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break;
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}
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}
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#endif
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