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564 行
23 KiB
564 行
23 KiB
using System;
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using UnityEngine;
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using UnityEngine.Rendering;
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namespace UnityEditor.Experimental.ScriptableRenderLoop
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{
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internal class LayeredLitGUI : LitGUI
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{
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public enum LayerMapping
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{
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UV0,
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UV1,
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Planar,
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//Triplanar,
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}
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private class Styles
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{
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public readonly GUIContent[] layerLabels =
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{
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new GUIContent("Layer 0"),
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new GUIContent("Layer 1"),
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new GUIContent("Layer 2"),
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new GUIContent("Layer 3"),
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};
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public readonly GUIContent materialLayer = new GUIContent("Material");
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public readonly GUIContent syncButton = new GUIContent("Re-Synchronize Layers", "Re-synchronize all layers's properties with the referenced Material");
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public readonly GUIContent layers = new GUIContent("Layers");
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public readonly GUIContent emission = new GUIContent("Emissive");
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public readonly GUIContent layerMapMask = new GUIContent("Layer Mask", "Layer mask (multiplied by vertex color if enabled)");
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public readonly GUIContent layerMapVertexColor = new GUIContent("Use Vertex Color", "Layer mask (multiplied by layer mask if enabled)");
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public readonly GUIContent layerCount = new GUIContent("Layer Count", "Number of layers.");
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public readonly GUIContent layerSize = new GUIContent("Size", "Size of the layer mapping in world units.");
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public readonly GUIContent layerMapping = new GUIContent("Mapping", "Mapping mode of the layer.");
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}
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static Styles s_Styles = null;
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private static Styles styles { get { if (s_Styles == null) s_Styles = new Styles(); return s_Styles; } }
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// Needed for json serialization to work
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[Serializable]
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internal struct SerializeableGUIDs
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{
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public string[] GUIDArray;
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}
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private const int kMaxLayerCount = 4;
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private const int kSyncButtonWidth = 58;
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private const string kLayerMaskMap = "_LayerMaskMap";
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private const string kLayerMaskVertexColor = "_LayerMaskVertexColor";
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private const string kLayerCount = "_LayerCount";
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private const string kLayerMapping = "_LayerMapping";
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private const string kLayerSize = "_LayerSize";
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private Material[] m_MaterialLayers = new Material[kMaxLayerCount];
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MaterialProperty layerCountProperty = null;
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MaterialProperty layerMaskMapProperty = null;
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MaterialProperty layerMaskVertexColorProperty = null;
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MaterialProperty[] layerMappingProperty = new MaterialProperty[kMaxLayerCount];
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MaterialProperty[] layerSizeProperty = new MaterialProperty[kMaxLayerCount];
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int layerCount
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{
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set { layerCountProperty.floatValue = (float)value; }
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get { return (int)layerCountProperty.floatValue; }
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}
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void SynchronizeAllLayersProperties()
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{
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for (int i = 0; i < layerCount; ++i)
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{
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SynchronizeLayerProperties(i);
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}
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}
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void SynchronizeLayerProperties(int layerIndex)
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{
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Material material = m_MaterialEditor.target as Material;
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Material layerMaterial = m_MaterialLayers[layerIndex];
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if (layerMaterial != null)
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{
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Shader layerShader = layerMaterial.shader;
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int propertyCount = ShaderUtil.GetPropertyCount(layerShader);
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for (int i = 0; i < propertyCount; ++i)
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{
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string propertyName = ShaderUtil.GetPropertyName(layerShader, i);
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string layerPropertyName = propertyName + layerIndex;
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if (material.HasProperty(layerPropertyName))
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{
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ShaderUtil.ShaderPropertyType type = ShaderUtil.GetPropertyType(layerShader, i);
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switch (type)
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{
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case ShaderUtil.ShaderPropertyType.Color:
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{
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material.SetColor(layerPropertyName, layerMaterial.GetColor(propertyName));
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break;
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}
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case ShaderUtil.ShaderPropertyType.Float:
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case ShaderUtil.ShaderPropertyType.Range:
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{
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material.SetFloat(layerPropertyName, layerMaterial.GetFloat(propertyName));
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break;
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}
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case ShaderUtil.ShaderPropertyType.Vector:
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{
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material.SetVector(layerPropertyName, layerMaterial.GetVector(propertyName));
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break;
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}
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case ShaderUtil.ShaderPropertyType.TexEnv:
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{
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material.SetTexture(layerPropertyName, layerMaterial.GetTexture(propertyName));
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break;
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}
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}
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}
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}
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}
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}
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void InitializeMaterialLayers(AssetImporter materialImporter)
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{
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if (materialImporter.userData != string.Empty)
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{
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SerializeableGUIDs layersGUID = JsonUtility.FromJson<SerializeableGUIDs>(materialImporter.userData);
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if (layersGUID.GUIDArray.Length > 0)
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{
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m_MaterialLayers = new Material[layersGUID.GUIDArray.Length];
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for (int i = 0; i < layersGUID.GUIDArray.Length; ++i)
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{
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m_MaterialLayers[i] = AssetDatabase.LoadAssetAtPath(AssetDatabase.GUIDToAssetPath(layersGUID.GUIDArray[i]), typeof(Material)) as Material;
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}
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}
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}
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}
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void SaveMaterialLayers(AssetImporter materialImporter)
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{
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SerializeableGUIDs layersGUID;
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layersGUID.GUIDArray = new string[m_MaterialLayers.Length];
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for (int i = 0; i < m_MaterialLayers.Length; ++i)
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{
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if (m_MaterialLayers[i] != null)
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layersGUID.GUIDArray[i] = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(m_MaterialLayers[i].GetInstanceID()));
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}
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materialImporter.userData = JsonUtility.ToJson(layersGUID);
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}
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bool CheckInputOptionConsistency(string optionName, string[] shortNames, ref string outValueNames)
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{
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bool result = true;
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outValueNames = "";
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for (int i = 0; i < layerCount; ++i)
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{
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Material layer = m_MaterialLayers[i];
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if (layer != null)
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{
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int currentValue = (int)layer.GetFloat(optionName); // All options are in fact enums
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Debug.Assert(currentValue < shortNames.Length);
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outValueNames += shortNames[currentValue] + " ";
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for (int j = i + 1; j < layerCount; ++j)
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{
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Material otherLayer = m_MaterialLayers[j];
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if (otherLayer != null)
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{
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if (currentValue != (int)otherLayer.GetFloat(optionName))
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{
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result = false;
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}
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}
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}
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}
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else
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{
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outValueNames += "X ";
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}
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}
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return result;
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}
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bool CheckInputMapConsistency(string mapName, ref string outValueNames)
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{
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bool result = true;
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outValueNames = "";
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for (int i = 0; i < layerCount; ++i)
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{
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Material layer = m_MaterialLayers[i];
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if (layer != null)
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{
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bool currentValue = layer.GetTexture(mapName) != null;
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outValueNames += (currentValue ? "Y" : "N") + " ";
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for (int j = i + 1; j < layerCount; ++j)
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{
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Material otherLayer = m_MaterialLayers[j];
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if (otherLayer != null)
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{
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bool otherValue = otherLayer.GetTexture(mapName) != null;
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if (currentValue != otherValue)
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{
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result = false;
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}
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}
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}
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}
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else
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{
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outValueNames += "N ";
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}
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}
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return result;
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}
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void CheckLayerConsistency()
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{
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string optionValueNames = "";
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// We need to check consistency between all layers.
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// Each input options and each input maps might can result in different #defines in the shader so all of them need to be consistent
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// otherwise the result will be undetermined
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// Input options consistency
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string[] smoothnessSourceShortNames = { "Mask", "Albedo" };
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string[] emissiveModeShortNames = { "Color", "Mask" };
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string[] normalMapShortNames = { "Tan", "Obj" };
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string[] heightMapShortNames = { "Parallax", "Disp" };
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string warningInputOptions = "";
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if (!CheckInputOptionConsistency(kSmoothnessTextureChannelProp, smoothnessSourceShortNames, ref optionValueNames))
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{
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warningInputOptions += "Smoothness Source: " + optionValueNames + "\n";
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}
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if (!CheckInputOptionConsistency(kEmissiveColorMode, emissiveModeShortNames, ref optionValueNames))
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{
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warningInputOptions += "Emissive Mode: " + optionValueNames + "\n";
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}
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if (!CheckInputOptionConsistency(kNormalMapSpace, normalMapShortNames, ref optionValueNames))
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{
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warningInputOptions += "Normal Map Space: " + optionValueNames + "\n";
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}
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if (!CheckInputOptionConsistency(kHeightMapMode, heightMapShortNames, ref optionValueNames))
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{
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warningInputOptions += "Height Map Mode: " + optionValueNames + "\n";
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}
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if (warningInputOptions != string.Empty)
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{
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warningInputOptions = "Input Option Consistency Error:\n" + warningInputOptions;
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}
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// Check input maps consistency
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string warningInputMaps = "";
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if (!CheckInputMapConsistency(kNormalMap, ref optionValueNames))
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{
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warningInputMaps += "Normal Map: " + optionValueNames + "\n";
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}
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if (!CheckInputMapConsistency(kMaskMap, ref optionValueNames))
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{
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warningInputMaps += "Mask Map: " + optionValueNames + "\n";
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}
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if (!CheckInputMapConsistency(kspecularOcclusionMap, ref optionValueNames))
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{
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warningInputMaps += "Specular Occlusion Map: " + optionValueNames + "\n";
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}
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if (!CheckInputMapConsistency(kEmissiveColorMap, ref optionValueNames))
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{
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warningInputMaps += "Emissive Color Map: " + optionValueNames + "\n";
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}
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if (!CheckInputMapConsistency(kHeightMap, ref optionValueNames))
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{
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warningInputMaps += "Height Map: " + optionValueNames + "\n";
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}
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if (warningInputMaps != string.Empty)
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{
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warningInputMaps = "Input Maps Consistency Error:\n" + warningInputMaps;
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if (warningInputOptions != string.Empty)
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warningInputMaps = "\n" + warningInputMaps;
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}
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string warning = warningInputOptions + warningInputMaps;
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if (warning != string.Empty)
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{
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EditorGUILayout.HelpBox(warning, MessageType.Error);
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}
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}
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void SynchronizeInputOptions()
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{
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Material material = m_MaterialEditor.target as Material;
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// We synchronize input options with the firsts non null Layer (all layers should have consistent options)
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Material firstLayer = null;
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int i = 0;
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while (i < layerCount && !(firstLayer = m_MaterialLayers[i])) ++i;
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if (firstLayer != null)
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{
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material.SetFloat(kSmoothnessTextureChannelProp, firstLayer.GetFloat(kSmoothnessTextureChannelProp));
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material.SetFloat(kEmissiveColorMode, firstLayer.GetFloat(kEmissiveColorMode));
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material.SetFloat(kNormalMapSpace, firstLayer.GetFloat(kNormalMapSpace));
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material.SetFloat(kHeightMapMode, firstLayer.GetFloat(kHeightMapMode));
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}
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}
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bool DoLayerGUI(AssetImporter materialImporter, int layerIndex)
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{
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bool result = false;
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EditorGUILayout.LabelField(styles.layerLabels[layerIndex]);
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EditorGUI.indentLevel++;
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EditorGUI.BeginChangeCheck();
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m_MaterialLayers[layerIndex] = EditorGUILayout.ObjectField(styles.materialLayer, m_MaterialLayers[layerIndex], typeof(Material), true) as Material;
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if (EditorGUI.EndChangeCheck())
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{
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Undo.RecordObject(materialImporter, "Change layer material");
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SynchronizeLayerProperties(layerIndex);
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result = true;
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}
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EditorGUI.BeginChangeCheck();
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m_MaterialEditor.ShaderProperty(layerMappingProperty[layerIndex], styles.layerMapping);
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if (EditorGUI.EndChangeCheck())
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{
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result = true;
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}
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if ((LayerMapping)layerMappingProperty[layerIndex].floatValue == LayerMapping.Planar)
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{
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EditorGUI.indentLevel++;
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m_MaterialEditor.ShaderProperty(layerSizeProperty[layerIndex], styles.layerSize);
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EditorGUI.indentLevel--;
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}
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EditorGUI.indentLevel--;
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return result;
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}
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bool DoLayersGUI(AssetImporter materialImporter)
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{
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Material material = m_MaterialEditor.target as Material;
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bool layerChanged = false;
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GUI.changed = false;
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EditorGUI.indentLevel++;
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GUILayout.Label(styles.layers, EditorStyles.boldLabel);
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EditorGUI.BeginChangeCheck();
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int newLayerCount = EditorGUILayout.IntSlider(styles.layerCount, (int)layerCountProperty.floatValue, 2, 4);
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if (EditorGUI.EndChangeCheck())
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{
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Undo.RecordObject(material, "Change layer count");
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layerCountProperty.floatValue = (float)newLayerCount;
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SynchronizeAllLayersProperties();
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layerChanged = true;
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}
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m_MaterialEditor.ShaderProperty(layerMaskVertexColorProperty, styles.layerMapVertexColor);
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m_MaterialEditor.TexturePropertySingleLine(styles.layerMapMask, layerMaskMapProperty);
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EditorGUILayout.Space();
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for (int i = 0; i < layerCount; i++)
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{
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layerChanged |= DoLayerGUI(materialImporter, i);
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}
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EditorGUILayout.Space();
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GUILayout.BeginHorizontal();
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{
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GUILayout.FlexibleSpace();
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if (GUILayout.Button(styles.syncButton))
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{
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SynchronizeAllLayersProperties();
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layerChanged = true;
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}
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}
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GUILayout.EndHorizontal();
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EditorGUI.indentLevel--;
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layerChanged |= GUI.changed;
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GUI.changed = false;
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return layerChanged;
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}
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protected override void SetupKeywordsForInputMaps(Material material)
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{
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// Find first non null layer
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int i = 0;
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while (i < layerCount && (m_MaterialLayers[i] == null)) ++i;
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if (i < layerCount)
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{
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SetKeyword(material, "_NORMALMAP", material.GetTexture(kNormalMap + i));
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SetKeyword(material, "_MASKMAP", material.GetTexture(kMaskMap + i));
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SetKeyword(material, "_SPECULAROCCLUSIONMAP", material.GetTexture(kspecularOcclusionMap + i));
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SetKeyword(material, "_EMISSIVE_COLOR_MAP", material.GetTexture(kEmissiveColorMap + i));
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SetKeyword(material, "_HEIGHTMAP", material.GetTexture(kHeightMap + i));
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}
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SetKeyword(material, "_LAYER_MASK_MAP", material.GetTexture(kLayerMaskMap));
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SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR", material.GetFloat(kLayerMaskVertexColor) != 0.0f);
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}
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protected override void SetupEmissionGIFlags(Material material)
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{
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// Setup lightmap emissive flags
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bool nonNullEmissive = false;
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for(int i = 0 ; i < layerCount ; ++i)
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{
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string paramName = string.Format("_EmissiveIntensity{0}", i);
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if (material.GetFloat(paramName) > 0.0f)
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{
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nonNullEmissive = true;
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break;
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}
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}
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var realtimeEmission = (material.globalIlluminationFlags & MaterialGlobalIlluminationFlags.RealtimeEmissive) > 0;
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bool shouldEmissionBeEnabled = nonNullEmissive || realtimeEmission;
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MaterialGlobalIlluminationFlags flags = material.globalIlluminationFlags;
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if ((flags & (MaterialGlobalIlluminationFlags.BakedEmissive | MaterialGlobalIlluminationFlags.RealtimeEmissive)) != 0)
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{
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if (shouldEmissionBeEnabled)
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flags &= ~MaterialGlobalIlluminationFlags.EmissiveIsBlack;
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else
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flags |= MaterialGlobalIlluminationFlags.EmissiveIsBlack;
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material.globalIlluminationFlags = flags;
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}
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}
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void SetupMaterialForLayers(Material material)
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{
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if (layerCount == 4)
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{
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SetKeyword(material, "_LAYEREDLIT_4_LAYERS", true);
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SetKeyword(material, "_LAYEREDLIT_3_LAYERS", false);
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}
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else if (layerCount == 3)
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{
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SetKeyword(material, "_LAYEREDLIT_4_LAYERS", false);
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SetKeyword(material, "_LAYEREDLIT_3_LAYERS", true);
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}
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else
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{
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SetKeyword(material, "_LAYEREDLIT_4_LAYERS", false);
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SetKeyword(material, "_LAYEREDLIT_3_LAYERS", false);
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}
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const string kLayerMappingUV1 = "_LAYER_MAPPING_UV1_";
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const string kLayerMappingPlanar = "_LAYER_MAPPING_PLANAR_";
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const string kLayerMappingTriplanar = "_LAYER_MAPPING_TRIPLANAR_";
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for (int i = 0 ; i <layerCount ; ++i)
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{
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string layerMappingParam = string.Format("{0}{1}", kLayerMapping, i);
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LayerMapping layerMapping = (LayerMapping)material.GetFloat(layerMappingParam);
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string currentLayerMappingUV1 = string.Format("{0}{1}", kLayerMappingUV1, i);
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string currentLayerMappingPlanar = string.Format("{0}{1}", kLayerMappingPlanar, i);
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string currentLayerMappingTriplanar = string.Format("{0}{1}", kLayerMappingTriplanar, i);
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if(layerMapping == LayerMapping.UV1)
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{
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SetKeyword(material, currentLayerMappingUV1, true);
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SetKeyword(material, currentLayerMappingPlanar, false);
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SetKeyword(material, currentLayerMappingTriplanar, false);
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}
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else if(layerMapping == LayerMapping.Planar)
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{
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SetKeyword(material, currentLayerMappingUV1, false);
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SetKeyword(material, currentLayerMappingPlanar, true);
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SetKeyword(material, currentLayerMappingTriplanar, false);
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}
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//else if(layerMapping == LayerMapping.Triplanar)
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//{
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// SetKeyword(material, currentLayerMappingUV1, false);
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// SetKeyword(material, currentLayerMappingPlanar, false);
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// SetKeyword(material, currentLayerMappingTriplanar, true);
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//}
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}
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}
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private void FindLayerProperties(MaterialProperty[] props)
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{
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layerMaskMapProperty = FindProperty(kLayerMaskMap, props);
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layerMaskVertexColorProperty = FindProperty(kLayerMaskVertexColor, props);
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layerCountProperty = FindProperty(kLayerCount, props);
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for (int i = 0; i < layerCount; ++i)
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{
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layerMappingProperty[i] = FindProperty(string.Format("{0}{1}", kLayerMapping, i), props);
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layerSizeProperty[i] = FindProperty(string.Format("{0}{1}", kLayerSize, i), props);
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}
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}
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public override void OnGUI(MaterialEditor materialEditor, MaterialProperty[] props)
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{
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FindOptionProperties(props);
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FindLayerProperties(props);
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m_MaterialEditor = materialEditor;
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m_MaterialEditor.serializedObject.Update();
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Material material = m_MaterialEditor.target as Material;
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AssetImporter materialImporter = AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(material.GetInstanceID()));
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InitializeMaterialLayers(materialImporter);
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bool optionsChanged = false;
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EditorGUI.BeginChangeCheck();
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{
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ShaderOptionsGUI();
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EditorGUI.indentLevel++;
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EditorGUILayout.LabelField(styles.emission);
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m_MaterialEditor.LightmapEmissionProperty(1);
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EditorGUI.indentLevel--;
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EditorGUILayout.Space();
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}
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if (EditorGUI.EndChangeCheck())
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{
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optionsChanged = true;
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}
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bool layerChanged = DoLayersGUI(materialImporter);
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CheckLayerConsistency();
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if (layerChanged || optionsChanged)
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{
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SynchronizeInputOptions();
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foreach (var obj in m_MaterialEditor.targets)
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{
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SetupMaterial((Material)obj);
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SetupMaterialForLayers((Material)obj);
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}
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SaveMaterialLayers(materialImporter);
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}
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m_MaterialEditor.serializedObject.ApplyModifiedProperties();
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if (layerChanged)
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{
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materialImporter.SaveAndReimport();
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}
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}
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}
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} // namespace UnityEditor
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