136 lines
7.2 KiB
C#
136 lines
7.2 KiB
C#
//Unity Toon Shader/HDRP
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//nobuyuki@unity3d.com
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//toshiyuki@unity3d.com (Universal RP/HDRP)
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using UnityEngine;
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using UnityEditor;
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using System;
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using UnityEngine.Rendering;
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namespace UnityEditor.Rendering.Toon
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{
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internal partial class UTS3GUI
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{
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enum TessellationMode
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{
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None,
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Phong
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}
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internal class TessellationStyles
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{
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public const string header = "Tessellation Options";
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public static GUIContent tessellationModeText = new GUIContent("Tessellation Mode","Tessellation Mode. None/Phong.");
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public static readonly string[] tessellationModeNames = System.Enum.GetNames(typeof(
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TessellationMode));
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public static GUIContent tessellationText = new GUIContent("Tessellation Options", "Tessellation options");
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public static GUIContent tessellationFactorText = new GUIContent("Tessellation Factor", "Controls the strength of the tessellation effect. Higher values result in more tessellation. Maximum tessellation factor is 15 on the Xbox One and PS4.");
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public static GUIContent tessellationFactorMinDistanceText = new GUIContent("Start Fade Distance", "Sets the distance (in meters) at which tessellation begins to fade out.");
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public static GUIContent tessellationFactorMaxDistanceText = new GUIContent("End Fade Distance", "Sets the maximum distance (in meters) to the Camera where HDRP tessellates triangle.");
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public static GUIContent tessellationFactorTriangleSizeText = new GUIContent("Triangle Size", "Sets the desired screen space size of triangles (in pixels). Smaller values result in smaller triangle.");
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public static GUIContent tessellationShapeFactorText = new GUIContent("Shape Factor", "Controls the strength of Phong tessellation shape (lerp factor).");
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public static GUIContent tessellationBackFaceCullEpsilonText = new GUIContent("Triangle Culling Epsilon", "Controls triangle culling. A value of -1.0 disables back face culling for tessellation, higher values produce more aggressive culling and better performance.");
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}
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// tessellation params
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MaterialProperty tessellationMode = null;
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const string kTessellationMode = "_TessellationMode";
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MaterialProperty tessellationFactor = null;
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const string kTessellationFactor = "_TessellationFactor";
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MaterialProperty tessellationFactorMinDistance = null;
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const string kTessellationFactorMinDistance = "_TessellationFactorMinDistance";
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MaterialProperty tessellationFactorMaxDistance = null;
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const string kTessellationFactorMaxDistance = "_TessellationFactorMaxDistance";
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MaterialProperty tessellationFactorTriangleSize = null;
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const string kTessellationFactorTriangleSize = "_TessellationFactorTriangleSize";
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MaterialProperty tessellationShapeFactor = null;
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const string kTessellationShapeFactor = "_TessellationShapeFactor";
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MaterialProperty tessellationBackFaceCullEpsilon = null;
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const string kTessellationBackFaceCullEpsilon = "_TessellationBackFaceCullEpsilon";
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MaterialProperty doubleSidedEnable = null;
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const string kDoubleSidedEnable = "_DoubleSidedEnable";
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public static GUIContent tessellationModeText = new GUIContent("Tessellation Mode",
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"Transparent mode that fits you. ");
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internal void FindTessellationPropertiesHDRP(MaterialProperty[] props)
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{
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tessellationMode = FindProperty(kTessellationMode, props, false);
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tessellationFactor = FindProperty(kTessellationFactor, props, false);
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tessellationFactorMinDistance = FindProperty(kTessellationFactorMinDistance, props, false);
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tessellationFactorMaxDistance = FindProperty(kTessellationFactorMaxDistance, props, false);
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tessellationFactorTriangleSize = FindProperty(kTessellationFactorTriangleSize, props, false);
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tessellationShapeFactor = FindProperty(kTessellationShapeFactor, props, false);
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tessellationBackFaceCullEpsilon = FindProperty(kTessellationBackFaceCullEpsilon, props, false);
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doubleSidedEnable = FindProperty(kDoubleSidedEnable, props, false);
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}
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static void SetKeyword(Material material, string keyword, bool state)
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{
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if (state)
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material.EnableKeyword(keyword);
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else
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material.DisableKeyword(keyword);
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}
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internal void ApplyTessellationHDRP(Material material)
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{
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if (material.HasProperty(kTessellationMode))
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{
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TessellationMode tessMode = (TessellationMode)material.GetFloat(kTessellationMode);
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SetKeyword(material, "_TESSELLATION_PHONG", tessMode == TessellationMode.Phong);
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}
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}
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void DrawDelayedFloatProperty(MaterialProperty prop, GUIContent content)
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{
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Rect position = EditorGUILayout.GetControlRect();
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EditorGUI.BeginChangeCheck();
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EditorGUI.showMixedValue = prop.hasMixedValue;
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float newValue = EditorGUI.DelayedFloatField(position, content, prop.floatValue);
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EditorGUI.showMixedValue = false;
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if (EditorGUI.EndChangeCheck())
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prop.floatValue = newValue;
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}
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void TessellationModePopup()
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{
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EditorGUI.showMixedValue = tessellationMode.hasMixedValue;
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var mode = (TessellationMode)tessellationMode.floatValue;
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EditorGUI.BeginChangeCheck();
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mode = (TessellationMode)EditorGUILayout.Popup(TessellationStyles.tessellationModeText, (int)mode, TessellationStyles.tessellationModeNames);
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if (EditorGUI.EndChangeCheck())
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{
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m_MaterialEditor.RegisterPropertyChangeUndo("Tessellation Mode");
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tessellationMode.floatValue = (float)mode;
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}
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EditorGUI.showMixedValue = false;
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}
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void GUI_TessellationHDRP(Material material)
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{
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TessellationModePopup();
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m_MaterialEditor.ShaderProperty(tessellationFactor, TessellationStyles.tessellationFactorText);
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DrawDelayedFloatProperty(tessellationFactorMinDistance, TessellationStyles.tessellationFactorMinDistanceText);
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DrawDelayedFloatProperty(tessellationFactorMaxDistance, TessellationStyles.tessellationFactorMaxDistanceText);
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// clamp min distance to be below max distance
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tessellationFactorMinDistance.floatValue = Math.Min(tessellationFactorMaxDistance.floatValue, tessellationFactorMinDistance.floatValue);
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m_MaterialEditor.ShaderProperty(tessellationFactorTriangleSize, TessellationStyles.tessellationFactorTriangleSizeText);
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if ((TessellationMode)tessellationMode.floatValue == TessellationMode.Phong)
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{
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m_MaterialEditor.ShaderProperty(tessellationShapeFactor, TessellationStyles.tessellationShapeFactorText);
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}
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if (doubleSidedEnable.floatValue == 0.0)
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{
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m_MaterialEditor.ShaderProperty(tessellationBackFaceCullEpsilon, TessellationStyles.tessellationBackFaceCullEpsilonText);
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}
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}
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} // End of UTS2GUI2
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}// End of namespace UnityChan |