306 lines
14 KiB
C#
306 lines
14 KiB
C#
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using System;
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using System.Linq;
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using UnityEngine;
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using UnityEngine.Experimental.Rendering.Universal;
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using UnityEngine.Rendering.Universal;
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using System.Collections.Generic;
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using System.Reflection;
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namespace UnityEditor.Experimental.Rendering.Universal
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{
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[CustomPropertyDrawer(typeof(RenderObjects.RenderObjectsSettings), true)]
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internal class RenderObjectsPassFeatureEditor : PropertyDrawer
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{
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internal class Styles
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{
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public static float defaultLineSpace = EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
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public static GUIContent callback = new GUIContent("Event", "Choose at which point this render pass is executed in the frame.");
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//Headers
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public static GUIContent filtersHeader = new GUIContent("Filters", "Settings that control which objects should be rendered.");
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public static GUIContent renderHeader = new GUIContent("Overrides", "Different parts of the rendering that you can choose to override.");
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//Filters
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public static GUIContent renderQueueFilter = new GUIContent("Queue", "Only render objects in the selected render queue range.");
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public static GUIContent layerMask = new GUIContent("Layer Mask", "Only render objects in a layer that match the given layer mask.");
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public static GUIContent shaderPassFilter = new GUIContent("LightMode Tags", "Controls which shader passes to render by filtering by LightMode tag.");
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//Render Options
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public static GUIContent overrideMaterial = new GUIContent("Material", "Choose an override material, every renderer will be rendered with this material.");
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public static GUIContent overrideMaterialPass = new GUIContent("Pass Index", "The pass index for the override material to use.");
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//Depth Settings
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public static GUIContent overrideDepth = new GUIContent("Depth", "Select this option to specify how this Renderer Feature affects or uses the values in the Depth buffer.");
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public static GUIContent writeDepth = new GUIContent("Write Depth", "Choose to write depth to the screen.");
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public static GUIContent depthState = new GUIContent("Depth Test", "Choose a new depth test function.");
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//Camera Settings
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public static GUIContent overrideCamera = new GUIContent("Camera", "Override camera matrices. Toggling this setting will make camera use perspective projection.");
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public static GUIContent cameraFOV = new GUIContent("Field Of View", "The camera's view angle measured in degrees along vertical axis.");
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public static GUIContent positionOffset = new GUIContent("Position Offset", "Position offset to apply to the original camera's position.");
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public static GUIContent restoreCamera = new GUIContent("Restore", "Restore to the original camera matrices after the execution of the render passes added by this feature.");
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}
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//Headers and layout
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private HeaderBool m_FiltersFoldout;
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private int m_FilterLines = 3;
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private HeaderBool m_RenderFoldout;
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private int m_MaterialLines = 2;
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private int m_DepthLines = 3;
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private int m_CameraLines = 4;
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// Serialized Properties
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private SerializedProperty m_Callback;
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private SerializedProperty m_PassTag;
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//Filter props
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private SerializedProperty m_FilterSettings;
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private SerializedProperty m_RenderQueue;
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private SerializedProperty m_LayerMask;
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private SerializedProperty m_ShaderPasses;
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//Render props
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private SerializedProperty m_OverrideMaterial;
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private SerializedProperty m_OverrideMaterialPass;
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//Depth props
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private SerializedProperty m_OverrideDepth;
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private SerializedProperty m_WriteDepth;
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private SerializedProperty m_DepthState;
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//Stencil props
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private SerializedProperty m_StencilSettings;
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//Caemra props
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private SerializedProperty m_CameraSettings;
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private SerializedProperty m_OverrideCamera;
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private SerializedProperty m_FOV;
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private SerializedProperty m_CameraOffset;
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private SerializedProperty m_RestoreCamera;
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private List<SerializedObject> m_properties = new List<SerializedObject>();
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static bool FilterRenderPassEvent(int evt) =>
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// Return all events higher or equal than before rendering prepasses
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evt >= (int)RenderPassEvent.BeforeRenderingPrePasses &&
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// filter obsolete events
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typeof(RenderPassEvent).GetField(Enum.GetName(typeof(RenderPassEvent), evt))?.GetCustomAttribute(typeof(ObsoleteAttribute)) == null;
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// Return all render pass event names that match filterRenderPassEvent
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private GUIContent[] m_EventOptionNames = Enum.GetValues(typeof(RenderPassEvent)).Cast<int>()
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.Where(FilterRenderPassEvent)
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.Select(x => new GUIContent(Enum.GetName(typeof(RenderPassEvent), x))).ToArray();
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// Return all render pass event options that match filterRenderPassEvent
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private int[] m_EventOptionValues = Enum.GetValues(typeof(RenderPassEvent)).Cast<int>()
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.Where(FilterRenderPassEvent).ToArray();
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private void Init(SerializedProperty property)
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{
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//Header bools
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var key = $"{this.ToString().Split('.').Last()}.{property.serializedObject.targetObject.name}";
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m_FiltersFoldout = new HeaderBool($"{key}.FiltersFoldout", true);
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m_RenderFoldout = new HeaderBool($"{key}.RenderFoldout");
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m_Callback = property.FindPropertyRelative("Event");
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m_PassTag = property.FindPropertyRelative("passTag");
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//Filter props
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m_FilterSettings = property.FindPropertyRelative("filterSettings");
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m_RenderQueue = m_FilterSettings.FindPropertyRelative("RenderQueueType");
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m_LayerMask = m_FilterSettings.FindPropertyRelative("LayerMask");
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m_ShaderPasses = m_FilterSettings.FindPropertyRelative("PassNames");
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//Render options
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m_OverrideMaterial = property.FindPropertyRelative("overrideMaterial");
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m_OverrideMaterialPass = property.FindPropertyRelative("overrideMaterialPassIndex");
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//Depth props
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m_OverrideDepth = property.FindPropertyRelative("overrideDepthState");
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m_WriteDepth = property.FindPropertyRelative("enableWrite");
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m_DepthState = property.FindPropertyRelative("depthCompareFunction");
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//Stencil
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m_StencilSettings = property.FindPropertyRelative("stencilSettings");
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//Camera
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m_CameraSettings = property.FindPropertyRelative("cameraSettings");
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m_OverrideCamera = m_CameraSettings.FindPropertyRelative("overrideCamera");
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m_FOV = m_CameraSettings.FindPropertyRelative("cameraFieldOfView");
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m_CameraOffset = m_CameraSettings.FindPropertyRelative("offset");
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m_RestoreCamera = m_CameraSettings.FindPropertyRelative("restoreCamera");
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m_properties.Add(property.serializedObject);
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}
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public override void OnGUI(Rect rect, SerializedProperty property, GUIContent label)
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{
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rect.height = EditorGUIUtility.singleLineHeight;
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EditorGUI.BeginChangeCheck();
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EditorGUI.BeginProperty(rect, label, property);
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if (!m_properties.Contains(property.serializedObject))
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{
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Init(property);
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}
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var passName = property.serializedObject.FindProperty("m_Name").stringValue;
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if (passName != m_PassTag.stringValue)
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{
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m_PassTag.stringValue = passName;
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property.serializedObject.ApplyModifiedProperties();
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}
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//Forward Callbacks
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EditorGUI.BeginChangeCheck();
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int selectedValue = EditorGUI.IntPopup(rect, Styles.callback, m_Callback.intValue, m_EventOptionNames, m_EventOptionValues);
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if (EditorGUI.EndChangeCheck())
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m_Callback.intValue = selectedValue;
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rect.y += Styles.defaultLineSpace;
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DoFilters(ref rect);
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m_RenderFoldout.value = EditorGUI.Foldout(rect, m_RenderFoldout.value, Styles.renderHeader, true);
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SaveHeaderBool(m_RenderFoldout);
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rect.y += Styles.defaultLineSpace;
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if (m_RenderFoldout.value)
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{
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EditorGUI.indentLevel++;
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//Override material
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DoMaterialOverride(ref rect);
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rect.y += Styles.defaultLineSpace;
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//Override depth
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DoDepthOverride(ref rect);
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rect.y += Styles.defaultLineSpace;
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//Override stencil
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EditorGUI.PropertyField(rect, m_StencilSettings);
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rect.y += EditorGUI.GetPropertyHeight(m_StencilSettings);
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//Override camera
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DoCameraOverride(ref rect);
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rect.y += Styles.defaultLineSpace;
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EditorGUI.indentLevel--;
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}
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EditorGUI.EndProperty();
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if (EditorGUI.EndChangeCheck())
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property.serializedObject.ApplyModifiedProperties();
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}
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void DoFilters(ref Rect rect)
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{
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m_FiltersFoldout.value = EditorGUI.Foldout(rect, m_FiltersFoldout.value, Styles.filtersHeader, true);
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SaveHeaderBool(m_FiltersFoldout);
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rect.y += Styles.defaultLineSpace;
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if (m_FiltersFoldout.value)
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{
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EditorGUI.indentLevel++;
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//Render queue filter
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EditorGUI.PropertyField(rect, m_RenderQueue, Styles.renderQueueFilter);
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rect.y += Styles.defaultLineSpace;
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//Layer mask
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EditorGUI.PropertyField(rect, m_LayerMask, Styles.layerMask);
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rect.y += Styles.defaultLineSpace;
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//Shader pass list
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EditorGUI.PropertyField(rect, m_ShaderPasses, Styles.shaderPassFilter, true);
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rect.y += EditorGUI.GetPropertyHeight(m_ShaderPasses);
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EditorGUI.indentLevel--;
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}
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}
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void DoMaterialOverride(ref Rect rect)
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{
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//Override material
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EditorGUI.PropertyField(rect, m_OverrideMaterial, Styles.overrideMaterial);
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if (m_OverrideMaterial.objectReferenceValue)
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{
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rect.y += Styles.defaultLineSpace;
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EditorGUI.indentLevel++;
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EditorGUI.BeginChangeCheck();
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EditorGUI.PropertyField(rect, m_OverrideMaterialPass, Styles.overrideMaterialPass);
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if (EditorGUI.EndChangeCheck())
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m_OverrideMaterialPass.intValue = Mathf.Max(0, m_OverrideMaterialPass.intValue);
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EditorGUI.indentLevel--;
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}
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}
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void DoDepthOverride(ref Rect rect)
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{
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EditorGUI.PropertyField(rect, m_OverrideDepth, Styles.overrideDepth);
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if (m_OverrideDepth.boolValue)
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{
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rect.y += Styles.defaultLineSpace;
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EditorGUI.indentLevel++;
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//Write depth
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EditorGUI.PropertyField(rect, m_WriteDepth, Styles.writeDepth);
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rect.y += Styles.defaultLineSpace;
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//Depth testing options
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EditorGUI.PropertyField(rect, m_DepthState, Styles.depthState);
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EditorGUI.indentLevel--;
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}
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}
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void DoCameraOverride(ref Rect rect)
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{
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EditorGUI.PropertyField(rect, m_OverrideCamera, Styles.overrideCamera);
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if (m_OverrideCamera.boolValue)
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{
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rect.y += Styles.defaultLineSpace;
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EditorGUI.indentLevel++;
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//FOV
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EditorGUI.Slider(rect, m_FOV, 4f, 179f, Styles.cameraFOV);
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rect.y += Styles.defaultLineSpace;
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//Offset vector
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var offset = m_CameraOffset.vector4Value;
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EditorGUI.BeginChangeCheck();
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var newOffset = EditorGUI.Vector3Field(rect, Styles.positionOffset, new Vector3(offset.x, offset.y, offset.z));
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if (EditorGUI.EndChangeCheck())
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m_CameraOffset.vector4Value = new Vector4(newOffset.x, newOffset.y, newOffset.z, 1f);
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rect.y += Styles.defaultLineSpace;
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//Restore prev camera projections
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EditorGUI.PropertyField(rect, m_RestoreCamera, Styles.restoreCamera);
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rect.y += Styles.defaultLineSpace;
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EditorGUI.indentLevel--;
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}
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}
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public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
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{
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float height = Styles.defaultLineSpace;
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Init(property);
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height += Styles.defaultLineSpace * (m_FiltersFoldout.value ? m_FilterLines : 1);
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height += m_FiltersFoldout.value ? EditorGUI.GetPropertyHeight(m_ShaderPasses) : 0;
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height += Styles.defaultLineSpace; // add line for overrides dropdown
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if (m_RenderFoldout.value)
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{
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height += Styles.defaultLineSpace * (m_OverrideMaterial.objectReferenceValue != null ? m_MaterialLines : 1);
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height += Styles.defaultLineSpace * (m_OverrideDepth.boolValue ? m_DepthLines : 1);
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height += EditorGUI.GetPropertyHeight(m_StencilSettings);
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height += Styles.defaultLineSpace * (m_OverrideCamera.boolValue ? m_CameraLines : 1);
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}
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return height;
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}
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private void SaveHeaderBool(HeaderBool boolObj)
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{
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EditorPrefs.SetBool(boolObj.key, boolObj.value);
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}
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class HeaderBool
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{
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public string key;
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public bool value;
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public HeaderBool(string _key, bool _default = false)
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{
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key = _key;
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if (EditorPrefs.HasKey(key))
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value = EditorPrefs.GetBool(key);
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else
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value = _default;
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EditorPrefs.SetBool(key, value);
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}
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}
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}
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}
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