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72 行
2.4 KiB
72 行
2.4 KiB
using UnityEngine;
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namespace UnityEditor.Graphs.Material
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{
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[Title("Art/Colorize Node")]
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class ColorizeNode : Function1Input, IGeneratesFunction
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{
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[SerializeField]
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private Color m_Color = Color.blue;
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[SerializeField]
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private float m_Colorization = 0.0f;
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[SerializeField]
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private float m_Brightness = 1.0f;
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[SerializeField]
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private float m_Contrast = 1.0f;
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public override void Init()
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{
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name = "ColorizeNode";
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base.Init();
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}
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protected override string GetFunctionName() {return ""; }
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protected override string GetFunctionCallBody (string inputValue)
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{
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return "unity_colorize_"+precision+"("+inputValue+", "+precision+"4("+m_Color.r+", "+m_Color.g+", "+m_Color.b+", "+m_Color.a+"), "+m_Colorization+", "+m_Brightness+", "+m_Contrast+")";
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}
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public void GenerateNodeFunction(ShaderGenerator visitor, GenerationMode generationMode)
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{
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var outputString = new ShaderGenerator ();
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foreach (var thePrecisision in m_PrecisionNames)
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{
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outputString.AddShaderChunk ("inline " + thePrecisision + "4 unity_colorize_" + thePrecisision + " (" + thePrecisision + "4 arg1, " + thePrecisision + "4 color, " + thePrecisision + " amount, " + thePrecisision + " brightness, " + thePrecisision + " contrast)", false);
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outputString.AddShaderChunk ("{", false);
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outputString.Indent ();
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outputString.AddShaderChunk (thePrecisision + "4 x = lerp(arg1, arg1 * color, amount);", false);
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outputString.AddShaderChunk ("x *= brightness;", false);
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outputString.AddShaderChunk ("x = pow(x, contrast);", false);
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outputString.AddShaderChunk ("return x;", false);
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outputString.Deindent ();
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outputString.AddShaderChunk ("}", false);
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}
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visitor.AddShaderChunk (outputString.GetShaderString (0), true);
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}
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static float Slider (string title, float value, float from, float to)
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{
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GUILayout.BeginHorizontal ();
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GUILayout.Label (title);
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value = GUILayout.HorizontalSlider(value, from, to, GUILayout.Width(64));
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GUILayout.EndHorizontal ();
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return value;
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}
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public override void NodeUI (Graphs.GraphGUI host)
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{
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base.NodeUI(host);
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EditorGUI.BeginChangeCheck ();
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m_Color = EditorGUILayout.ColorField("Tint", m_Color);
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m_Colorization = Slider ("Colorization", m_Colorization, 0f, 1f);
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m_Brightness = Slider ("Brightness", m_Brightness, 0f, 2f);
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m_Contrast = Slider ("Contrast", m_Contrast, 0.3f, 4f);
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if (EditorGUI.EndChangeCheck ())
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RegeneratePreviewShaders ();
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}
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}
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}
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