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Mar 2, 2020 . 1 changed file with 8 additions and 89 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,89 +1,8 @@ //This API to create new nodes has been deprecated in early 2019. //This means that if you are on a more recent version of Shader Graph and Universal Render Pipeline, you should use instead a pre-made node, which acts like a container that allows you to inject custom HLSL code into Shader Graph without the need to create a node from scratch. //Please use the new node, not the C# API described here. // //You can find more details about that node in the Docs: https://docs.unity3d.com/Packages/[email protected]/manual/Custom-Function-Node.html //I also blogged about it here: https://connect.unity.com/p/adding-your-own-hlsl-code-to-shader-graph-the-custom-function-node // //If you are still on a very old version of Lightweight Render Pipeline (you shouldn't!!), you can still see the C# code for this custom node by rolling back to a previous version. -
Aug 8, 2018 . 1 changed file with 13 additions and 2 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -9,6 +9,8 @@ public class MainLightNode : CodeFunctionNode { public override bool hasPreview {get {return false;}} //This is the string that's passed into the code of the real, final shader code that is used in the Scene when you hit Apply in the ShaderGraph window. //As such, it will use real light data from the Scene (for instance, GetMainLight()). private static string functionBodyForReals = @"{ Light mainLight = GetMainLight(); Color = mainLight.color; @@ -27,7 +29,9 @@ public class MainLightNode : CodeFunctionNode Attenuation = mainLight.attenuation; }"; //This string is passed to the node to generate the shader that's used in the ShaderGraph for preview. //Since the graph has no conception of what's the main light, we fake the data by hardcoding it in. private static string functionBodyPreview = @"{ Color = 1; Direction = float3(-0.5, -.5, 0.5); @@ -36,6 +40,7 @@ public class MainLightNode : CodeFunctionNode private static bool isPreview; //Returns a different string depending on whether we are in the graph or not. private static string functionBody { get @@ -47,29 +52,35 @@ private static string functionBody } } //Constructor public MainLightNode() { name = "Main Light"; } protected override MethodInfo GetFunctionToConvert() { return GetType().GetMethod("CustomFunction", BindingFlags.Static | BindingFlags.NonPublic); } //Will calculate the boolean isPreview which is used to decide which of the 2 strings to use (see above) public override void GenerateNodeFunction(FunctionRegistry registry, GraphContext graphContext, GenerationMode generationMode) { isPreview = generationMode == GenerationMode.Preview; base.GenerateNodeFunction(registry, graphContext, generationMode); } //The definition of the ports. 3 go out, 1 goes in //(which also has a default binding of WorldSpacePosition, so it doesn't need to be connected) private static string CustomFunction( [Slot(0, Binding.None)] out Vector3 Direction, [Slot(1, Binding.None)] out Vector1 Attenuation, [Slot(2, Binding.None)] out Vector3 Color, [Slot(3, Binding.WorldSpacePosition)] Vector3 WorldPos) { //These default values are needed otherwise Unity will complain that the Vector3s are not initialised. //They won't be zero in the shader. Direction = Vector3.zero; Color = Vector3.zero; -
Jul 26, 2018 .There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,78 @@ using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEditor.ShaderGraph; using System.Reflection; [Title("Custom", "Main Light")] public class MainLightNode : CodeFunctionNode { public override bool hasPreview {get {return false;}} private static string functionBodyForReals = @"{ Light mainLight = GetMainLight(); Color = mainLight.color; Direction = mainLight.direction; float4 shadowCoord; #ifdef _SHADOWS_ENABLED #if SHADOWS_SCREEN float4 clipPos = TransformWorldToHClip(WorldPos); shadowCoord = ComputeShadowCoord(clipPos); #else shadowCoord = TransformWorldToShadowCoord(WorldPos); #endif mainLight.attenuation = MainLightRealtimeShadowAttenuation(shadowCoord); #endif Attenuation = mainLight.attenuation; }"; private static string functionBodyPreview = @"{ Color = 1; Direction = float3(-0.5, -.5, 0.5); Attenuation = 1; }"; private static bool isPreview; private static string functionBody { get { if(isPreview) return functionBodyPreview; else return functionBodyForReals; } } public MainLightNode() { name = "Main Light"; } protected override MethodInfo GetFunctionToConvert() { return GetType().GetMethod("CustomFunction", BindingFlags.Static | BindingFlags.NonPublic); } public override void GenerateNodeFunction(FunctionRegistry registry, GraphContext graphContext, GenerationMode generationMode) { isPreview = generationMode == GenerationMode.Preview; base.GenerateNodeFunction(registry, graphContext, generationMode); } private static string CustomFunction( [Slot(0, Binding.None)] out Vector3 Direction, [Slot(1, Binding.None)] out Vector1 Attenuation, [Slot(2, Binding.None)] out Vector3 Color, [Slot(3, Binding.WorldSpacePosition)] Vector3 WorldPos) { Direction = Vector3.zero; Color = Vector3.zero; return functionBody; } }