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using System;
using UnityEngine;
using UnityEngine.Rendering;
using System.Linq;
namespace UnityEditor.Experimental.Rendering.HDPipeline
{
internal class LayeredLitGUI : LitGUI
{
public enum LayerUVBaseMapping
{
UV0,
UV1,
UV2,
UV3,
Planar,
Triplanar,
}
public enum VertexColorMode
{
None,
Multiply,
Add
}
private class StylesLayer
{
public readonly GUIContent[] layerLabels =
{
new GUIContent("Main layer"),
new GUIContent("Layer 1"),
new GUIContent("Layer 2"),
new GUIContent("Layer 3"),
};
public readonly GUIStyle[] layerLabelColors =
{
new GUIStyle(EditorStyles.label),
new GUIStyle(EditorStyles.label),
new GUIStyle(EditorStyles.label),
new GUIStyle(EditorStyles.label)
};
public readonly GUIContent materialLayerText = new GUIContent("Material");
public readonly GUIContent syncButtonText = new GUIContent("Re-Synchronize Layers", "Re-synchronize all layers's properties with the referenced Material");
public readonly GUIContent layersText = new GUIContent("Layers");
public readonly GUIContent emissiveText = new GUIContent("Emissive");
public readonly GUIContent layerMapMaskText = new GUIContent("Layer Mask", "Layer mask");
public readonly GUIContent vertexColorModeText = new GUIContent("Vertex Color Mode", "Mode multiply: vertex color is multiply with the mask. Mode additive: vertex color values are remapped between -1 and 1 and added to the mask (neutral at 0.5 vertex color).");
public readonly GUIContent layerCountText = new GUIContent("Layer Count", "Number of layers.");
public readonly GUIContent layerTilingText = new GUIContent("Tiling", "Tiling factor applied to UVSet");
public readonly GUIContent layerTexWorldScaleText = new GUIContent("Tiling", "Tiling factor applied to Planar/Trilinear mapping");
public readonly GUIContent UVBaseText = new GUIContent("Base UV Mapping", "Base UV Mapping mode of the layer.");
public readonly GUIContent UVDetailText = new GUIContent("Detail UV Mapping", "Detail UV Mapping mode of the layer.");
public readonly GUIContent mainLayerInfluenceText = new GUIContent("Main layer influence", "Main layer influence.");
public readonly GUIContent densityOpacityInfluenceText = new GUIContent("Density / Opacity", "Density / Opacity");
public readonly GUIContent useHeightBasedBlendText = new GUIContent("Use Height Based Blend", "Layer will be blended with the underlying layer based on the height.");
public readonly GUIContent useDensityModeModeText = new GUIContent("Use Density Mode", "Enable density mode");
public readonly GUIContent useMainLayerInfluenceModeText = new GUIContent("Main Layer Influence", "Switch between regular layers mode and base/layers mode");
public readonly GUIContent heightFactorText = new GUIContent("Height Multiplier", "Scale applied to the height of the layer.");
public readonly GUIContent heightControlText = new GUIContent("Height control");
public readonly GUIContent heightCenterOffsetText = new GUIContent("Height Center Offset", "Offset applied to the center of the height of the layer.");
public readonly GUIContent blendUsingHeight = new GUIContent("Blend Using Height", "Blend Layers using height.");
public readonly GUIContent inheritBaseColorThresholdText = new GUIContent("Threshold", "Inherit the base color from the base layer.");
public readonly GUIContent minimumOpacityText = new GUIContent("Minimum Opacity", "Minimum Opacity.");
public readonly GUIContent opacityAsDensityText = new GUIContent("Use Opacity as Density", "Use Opacity as Density.");
public readonly GUIContent inheritBaseNormalText = new GUIContent("Normal influence", "Inherit the normal from the base layer.");
public readonly GUIContent inheritBaseHeightText = new GUIContent("Heightmap influence", "Inherit the height from the base layer.");
public readonly GUIContent inheritBaseColorText = new GUIContent("BaseColor influence", "Inherit the base color from the base layer.");
public StylesLayer()
{
layerLabelColors[0].normal.textColor = Color.white;
layerLabelColors[1].normal.textColor = Color.red;
layerLabelColors[2].normal.textColor = Color.green;
layerLabelColors[3].normal.textColor = Color.blue;
}
}
static StylesLayer s_Styles = null;
private static StylesLayer styles { get { if (s_Styles == null) s_Styles = new StylesLayer(); return s_Styles; } }
// Needed for json serialization to work
[Serializable]
internal struct SerializeableGUIDs
{
public string[] GUIDArray;
}
const int kMaxLayerCount = 4;
const int kSyncButtonWidth = 58;
Material[] m_MaterialLayers = new Material[kMaxLayerCount];
MaterialProperty layerMaskMap = null;
const string kLayerMaskMap = "_LayerMaskMap";
MaterialProperty vertexColorMode = null;
const string kVertexColorMode = "_VertexColorMode";
MaterialProperty layerCount = null;
const string kLayerCount = "_LayerCount";
MaterialProperty[] layerTexWorldScale = new MaterialProperty[kMaxLayerCount];
MaterialProperty[] layerUVBase = new MaterialProperty[kMaxLayerCount];
MaterialProperty[] layerUVMappingMask = new MaterialProperty[kMaxLayerCount];
MaterialProperty[] layerUVMappingPlanar = new MaterialProperty[kMaxLayerCount];
MaterialProperty[] layerUVDetail = new MaterialProperty[kMaxLayerCount];
MaterialProperty[] layerUVDetailsMappingMask = new MaterialProperty[kMaxLayerCount];
const string kLayerTiling = "_LayerTiling";
MaterialProperty[] layerTiling = new MaterialProperty[kMaxLayerCount];
const string kkUseMainLayerInfluence = "_UseMainLayerInfluence";
MaterialProperty useMainLayerInfluence = null;
const string kUseHeightBasedBlend = "_UseHeightBasedBlend";
MaterialProperty useHeightBasedBlend = null;
const string kUseDensityMode = "_UseDensityMode";
MaterialProperty useDensityMode = null;
const string kOpacityAsDensity = "_OpacityAsDensity";
MaterialProperty[] opacityAsDensity = new MaterialProperty[kMaxLayerCount];
const string kMinimumOpacity = "_MinimumOpacity";
MaterialProperty[] minimumOpacity = new MaterialProperty[kMaxLayerCount];
const string kHeightFactor = "_HeightFactor";
MaterialProperty[] heightFactor = new MaterialProperty[kMaxLayerCount];
const string kHeightCenterOffset = "_HeightCenterOffset";
MaterialProperty[] heightCenterOffset = new MaterialProperty[kMaxLayerCount];
const string kBlendUsingHeight = "_BlendUsingHeight";
MaterialProperty[] blendUsingHeight = new MaterialProperty[kMaxLayerCount - 1];
// influence
const string kInheritBaseNormal = "_InheritBaseNormal";
MaterialProperty[] inheritBaseNormal = new MaterialProperty[kMaxLayerCount - 1];
const string kInheritBaseHeight = "_InheritBaseHeight";
MaterialProperty[] inheritBaseHeight = new MaterialProperty[kMaxLayerCount - 1];
const string kInheritBaseColor = "_InheritBaseColor";
MaterialProperty[] inheritBaseColor = new MaterialProperty[kMaxLayerCount - 1];
const string kInheritBaseColorThreshold = "_InheritBaseColorThreshold";
MaterialProperty[] inheritBaseColorThreshold = new MaterialProperty[kMaxLayerCount - 1];
MaterialProperty layerEmissiveColor = null;
MaterialProperty layerEmissiveColorMap = null;
MaterialProperty layerEmissiveIntensity = null;
override protected void FindMaterialProperties(MaterialProperty[] props)
{
FindMaterialOptionProperties(props);
layerMaskMap = FindProperty(kLayerMaskMap, props);
layerCount = FindProperty(kLayerCount, props);
vertexColorMode = FindProperty(kVertexColorMode, props);
useMainLayerInfluence = FindProperty(kkUseMainLayerInfluence, props);
useHeightBasedBlend = FindProperty(kUseHeightBasedBlend, props);
useDensityMode = FindProperty(kUseDensityMode, props);
for (int i = 0; i < kMaxLayerCount; ++i)
{
layerTexWorldScale[i] = FindProperty(string.Format("{0}{1}", kTexWorldScale, i), props);
layerUVBase[i] = FindProperty(string.Format("{0}{1}", kUVBase, i), props);
layerUVMappingMask[i] = FindProperty(string.Format("{0}{1}", kUVMappingMask, i), props);
layerUVMappingPlanar[i] = FindProperty(string.Format("{0}{1}", kUVMappingPlanar, i), props);
layerUVDetail[i] = FindProperty(string.Format("{0}{1}", kUVDetail, i), props);
layerUVDetailsMappingMask[i] = FindProperty(string.Format("{0}{1}", kUVDetailsMappingMask, i), props);
layerTiling[i] = FindProperty(string.Format("{0}{1}", kLayerTiling, i), props);
minimumOpacity[i] = FindProperty(string.Format("{0}{1}", kMinimumOpacity, i), props);
opacityAsDensity[i] = FindProperty(string.Format("{0}{1}", kOpacityAsDensity, i), props);
heightFactor[i] = FindProperty(string.Format("{0}{1}", kHeightFactor, i), props);
heightCenterOffset[i] = FindProperty(string.Format("{0}{1}", kHeightCenterOffset, i), props);
if(i != 0)
{
blendUsingHeight[i - 1] = FindProperty(string.Format("{0}{1}", kBlendUsingHeight, i), props);
inheritBaseNormal[i - 1] = FindProperty(string.Format("{0}{1}", kInheritBaseNormal, i), props);
inheritBaseHeight[i - 1] = FindProperty(string.Format("{0}{1}", kInheritBaseHeight, i), props);
inheritBaseColor[i - 1] = FindProperty(string.Format("{0}{1}", kInheritBaseColor, i), props);
inheritBaseColorThreshold[i - 1] = FindProperty(string.Format("{0}{1}", kInheritBaseColorThreshold, i), props);
}
}
layerEmissiveColor = FindProperty(kEmissiveColor, props);
layerEmissiveColorMap = FindProperty(kEmissiveColorMap, props);
layerEmissiveIntensity = FindProperty(kEmissiveIntensity, props);
}
int numLayer
{
set { layerCount.floatValue = (float)value; }
get { return (int)layerCount.floatValue; }
}
public static void SynchronizeAllLayers(Material material)
{
int layerCount = (int)material.GetFloat("_LayerCount");
AssetImporter materialImporter = AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(material.GetInstanceID()));
Material[] layers = null;
InitializeMaterialLayers(materialImporter, ref layers);
for (int i = 0 ; i < layerCount ; ++i)
{
SynchronizeLayerProperties(material, layers, i);
}
}
void SynchronizeAllLayersProperties()
{
for (int i = 0; i < numLayer; ++i)
{
SynchronizeLayerProperties(m_MaterialEditor.target as Material, m_MaterialLayers, i);
}
}
static void SynchronizeLayerProperties(Material material, Material[] layers, int layerIndex)
{
string[] exclusionList = { kTexWorldScale, kUVBase, kUVMappingMask, kUVDetail, kUVMappingPlanar, kUVDetailsMappingMask };
Material layerMaterial = layers[layerIndex];
if (layerMaterial != null)
{
Shader layerShader = layerMaterial.shader;
int propertyCount = ShaderUtil.GetPropertyCount(layerShader);
for (int i = 0; i < propertyCount; ++i)
{
string propertyName = ShaderUtil.GetPropertyName(layerShader, i);
string layerPropertyName = propertyName + layerIndex;
if(!exclusionList.Contains(propertyName))
{
if (material.HasProperty(layerPropertyName))
{
ShaderUtil.ShaderPropertyType type = ShaderUtil.GetPropertyType(layerShader, i);
switch (type)
{
case ShaderUtil.ShaderPropertyType.Color:
{
material.SetColor(layerPropertyName, layerMaterial.GetColor(propertyName));
break;
}
case ShaderUtil.ShaderPropertyType.Float:
case ShaderUtil.ShaderPropertyType.Range:
{
material.SetFloat(layerPropertyName, layerMaterial.GetFloat(propertyName));
break;
}
case ShaderUtil.ShaderPropertyType.Vector:
{
material.SetVector(layerPropertyName, layerMaterial.GetVector(propertyName));
break;
}
case ShaderUtil.ShaderPropertyType.TexEnv:
{
material.SetTexture(layerPropertyName, layerMaterial.GetTexture(propertyName));
material.SetTextureOffset(layerPropertyName, layerMaterial.GetTextureOffset(propertyName));
material.SetTextureScale(layerPropertyName, layerMaterial.GetTextureScale(propertyName));
break;
}
}
}
}
}
}
}
static void InitializeMaterialLayers(AssetImporter materialImporter, ref Material[] layers)
{
if (materialImporter.userData != string.Empty)
{
SerializeableGUIDs layersGUID = JsonUtility.FromJson<SerializeableGUIDs>(materialImporter.userData);
if (layersGUID.GUIDArray.Length > 0)
{
layers = new Material[layersGUID.GUIDArray.Length];
for (int i = 0; i < layersGUID.GUIDArray.Length; ++i)
{
layers[i] = AssetDatabase.LoadAssetAtPath(AssetDatabase.GUIDToAssetPath(layersGUID.GUIDArray[i]), typeof(Material)) as Material;
}
}
}
}
void SaveMaterialLayers(AssetImporter materialImporter)
{
SerializeableGUIDs layersGUID;
layersGUID.GUIDArray = new string[m_MaterialLayers.Length];
for (int i = 0; i < m_MaterialLayers.Length; ++i)
{
if (m_MaterialLayers[i] != null)
layersGUID.GUIDArray[i] = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(m_MaterialLayers[i].GetInstanceID()));
}
materialImporter.userData = JsonUtility.ToJson(layersGUID);
}
bool CheckInputOptionConsistency(string optionName, string[] shortNames, ref string outValueNames)
{
bool result = true;
outValueNames = "";
for (int i = 0; i < numLayer; ++i)
{
Material layer = m_MaterialLayers[i];
if (layer != null)
{
int currentValue = (int)layer.GetFloat(optionName); // All options are in fact enums
Debug.Assert(currentValue < shortNames.Length);
outValueNames += shortNames[currentValue] + " ";
for (int j = i + 1; j < numLayer; ++j)
{
Material otherLayer = m_MaterialLayers[j];
if (otherLayer != null)
{
if (currentValue != (int)otherLayer.GetFloat(optionName))
{
result = false;
}
}
}
}
else
{
outValueNames += "X ";
}
}
return result;
}
bool CheckInputFloatOptionConsistency(string optionName, ref string outValueNames)
{
bool result = true;
outValueNames = "";
for (int i = 0; i < numLayer; ++i)
{
Material layer = m_MaterialLayers[i];
if (layer != null)
{
float currentValue = layer.GetFloat(optionName);
for (int j = i + 1; j < numLayer; ++j)
{
Material otherLayer = m_MaterialLayers[j];
if (otherLayer != null)
{
if (currentValue != otherLayer.GetFloat(optionName))
{
result = false;
}
}
}
}
else
{
outValueNames += "X ";
}
}
return result;
}
bool CheckInputMapConsistency(string mapName, ref string outValueNames)
{
bool result = true;
outValueNames = "";
for (int i = 0; i < numLayer; ++i)
{
Material layer = m_MaterialLayers[i];
if (layer != null)
{
bool currentValue = layer.GetTexture(mapName) != null;
outValueNames += (currentValue ? "Y" : "N") + " ";
for (int j = i + 1; j < numLayer; ++j)
{
Material otherLayer = m_MaterialLayers[j];
if (otherLayer != null)
{
bool otherValue = otherLayer.GetTexture(mapName) != null;
if (currentValue != otherValue)
{
result = false;
}
}
}
}
else
{
outValueNames += "N ";
}
}
return result;
}
void CheckLayerConsistency()
{
string optionValueNames = "";
// We need to check consistency between all layers.
// Each input options and each input maps can result in different #defines in the shader so all of them need to be consistent
// otherwise the result will be undetermined
// Input options consistency
string[] smoothnessSourceShortNames = { "Mask", "Albedo" };
string[] normalMapShortNames = { "Tan", "Obj" };
string[] detailModeShortNames = { "DNormal", "DAOHeight" };
string warningInputOptions = "";
if (!CheckInputOptionConsistency(kSmoothnessTextureChannel, smoothnessSourceShortNames, ref optionValueNames))
{
warningInputOptions += "Smoothness Source: " + optionValueNames + "\n";
}
if (!CheckInputOptionConsistency(kNormalMapSpace, normalMapShortNames, ref optionValueNames))
{
warningInputOptions += "Normal Map Space: " + optionValueNames + "\n";
}
if (!CheckInputFloatOptionConsistency(kEnablePerPixelDisplacement, ref optionValueNames))
{
warningInputOptions += "Per pixel displacement: " + optionValueNames + "\n";
}
if (!CheckInputOptionConsistency(kDetailMapMode, detailModeShortNames, ref optionValueNames))
{
warningInputOptions += "Detail Map Mode: " + optionValueNames + "\n";
}
if (warningInputOptions != string.Empty)
{
warningInputOptions = "Input Option Consistency Error:\n" + warningInputOptions;
}
// Check input maps consistency
string warningInputMaps = "";
if (!CheckInputMapConsistency(kNormalMap, ref optionValueNames))
{
warningInputMaps += "Normal Map: " + optionValueNames + "\n";
}
if (!CheckInputMapConsistency(kDetailMap, ref optionValueNames))
{
warningInputMaps += "Detail Map: " + optionValueNames + "\n";
}
if (!CheckInputMapConsistency(kMaskMap, ref optionValueNames))
{
warningInputMaps += "Mask Map: " + optionValueNames + "\n";
}
if (!CheckInputMapConsistency(kSpecularOcclusionMap, ref optionValueNames))
{
warningInputMaps += "Specular Occlusion Map: " + optionValueNames + "\n";
}
if (!CheckInputMapConsistency(kHeightMap, ref optionValueNames))
{
warningInputMaps += "Height Map: " + optionValueNames + "\n";
}
if (warningInputMaps != string.Empty)
{
warningInputMaps = "Input Maps Consistency Error:\n" + warningInputMaps;
if (warningInputOptions != string.Empty)
warningInputMaps = "\n" + warningInputMaps;
}
string warning = warningInputOptions + warningInputMaps;
if (warning != string.Empty)
{
EditorGUILayout.HelpBox(warning, MessageType.Error);
}
}
void SynchronizeInputOptions()
{
Material material = m_MaterialEditor.target as Material;
// We synchronize input options with the firsts non null Layer (all layers should have consistent options)
Material firstLayer = null;
int i = 0;
while (i < numLayer && !(firstLayer = m_MaterialLayers[i])) ++i;
if (firstLayer != null)
{
material.SetFloat(kSmoothnessTextureChannel, firstLayer.GetFloat(kSmoothnessTextureChannel));
material.SetFloat(kNormalMapSpace, firstLayer.GetFloat(kNormalMapSpace));
material.SetFloat(kEnablePerPixelDisplacement, firstLayer.GetFloat(kEnablePerPixelDisplacement));
// Force emissive to be emissive color
material.SetFloat(kEmissiveColorMode, (float)EmissiveColorMode.UseEmissiveColor);
}
}
bool DoLayerGUI(AssetImporter materialImporter, int layerIndex)
{
bool result = false;
Material material = m_MaterialEditor.target as Material;
bool mainLayerInfluenceEnable = useMainLayerInfluence.floatValue > 0.0f;
EditorGUILayout.LabelField(styles.layerLabels[layerIndex], styles.layerLabelColors[layerIndex]);
EditorGUI.indentLevel++;
EditorGUI.BeginChangeCheck();
m_MaterialLayers[layerIndex] = EditorGUILayout.ObjectField(styles.materialLayerText, m_MaterialLayers[layerIndex], typeof(Material), true) as Material;
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(materialImporter, "Change layer material");
SynchronizeLayerProperties(material, m_MaterialLayers, layerIndex);
result = true;
}
EditorGUI.BeginChangeCheck();
m_MaterialEditor.ShaderProperty(layerUVBase[layerIndex], styles.UVBaseText);
if (EditorGUI.EndChangeCheck())
{
SynchronizeLayerProperties(material, m_MaterialLayers, layerIndex);
result = true;
}
if (((LayerUVBaseMapping)layerUVBase[layerIndex].floatValue == LayerUVBaseMapping.Planar) ||
((LayerUVBaseMapping)layerUVBase[layerIndex].floatValue == LayerUVBaseMapping.Triplanar))
{
EditorGUI.indentLevel++;
m_MaterialEditor.ShaderProperty(layerTexWorldScale[layerIndex], styles.layerTexWorldScaleText);
EditorGUI.indentLevel--;
}
else
{
EditorGUI.indentLevel++;
m_MaterialEditor.ShaderProperty(layerTiling[layerIndex], styles.layerTilingText);
EditorGUI.indentLevel--;
EditorGUI.BeginChangeCheck();
m_MaterialEditor.ShaderProperty(layerUVDetail[layerIndex], styles.UVDetailText);
if (EditorGUI.EndChangeCheck())
{
SynchronizeLayerProperties(material, m_MaterialLayers, layerIndex);
result = true;
}
}
bool useDensityModeEnable = useDensityMode.floatValue != 0.0f;
if (useDensityModeEnable)
{
EditorGUILayout.LabelField(styles.densityOpacityInfluenceText, EditorStyles.boldLabel);
EditorGUI.indentLevel++;
m_MaterialEditor.ShaderProperty(opacityAsDensity[layerIndex], styles.opacityAsDensityText);
m_MaterialEditor.ShaderProperty(minimumOpacity[layerIndex], styles.minimumOpacityText);
EditorGUI.indentLevel--;
}
EditorGUILayout.LabelField(styles.heightControlText, EditorStyles.boldLabel);
EditorGUI.indentLevel++;
m_MaterialEditor.ShaderProperty(heightFactor[layerIndex], styles.heightFactorText);
m_MaterialEditor.ShaderProperty(heightCenterOffset[layerIndex], styles.heightCenterOffsetText);
EditorGUI.indentLevel--;
// influence
if (layerIndex > 0)
{
int paramIndex = layerIndex - 1;
bool heightBasedBlendEnable = useHeightBasedBlend.floatValue != 0.0f;
if (heightBasedBlendEnable)
{
EditorGUI.indentLevel++;
m_MaterialEditor.ShaderProperty(blendUsingHeight[paramIndex], styles.blendUsingHeight);
EditorGUI.indentLevel--;
}
if (mainLayerInfluenceEnable)
{
EditorGUILayout.LabelField(styles.mainLayerInfluenceText, EditorStyles.boldLabel);
EditorGUI.indentLevel++;
m_MaterialEditor.ShaderProperty(inheritBaseColor[paramIndex], styles.inheritBaseColorText);
EditorGUI.indentLevel++;
m_MaterialEditor.ShaderProperty(inheritBaseColorThreshold[paramIndex], styles.inheritBaseColorThresholdText);
EditorGUI.indentLevel--;
m_MaterialEditor.ShaderProperty(inheritBaseNormal[paramIndex], styles.inheritBaseNormalText);
// Main height influence is only available if the shader use the heightmap for displacement (per vertex or per level)
// We always display it as it can be tricky to know when per pixel displacement is enabled or not
m_MaterialEditor.ShaderProperty(inheritBaseHeight[paramIndex], styles.inheritBaseHeightText);
EditorGUI.indentLevel--;
}
}
EditorGUI.indentLevel--;
if(layerIndex == 0)
EditorGUILayout.Space();
return result;
}
bool DoLayersGUI(AssetImporter materialImporter)
{
Material material = m_MaterialEditor.target as Material;
bool layerChanged = false;
GUI.changed = false;
EditorGUI.indentLevel++;
GUILayout.Label(styles.layersText, EditorStyles.boldLabel);
EditorGUI.showMixedValue = layerCount.hasMixedValue;
EditorGUI.BeginChangeCheck();
int newLayerCount = EditorGUILayout.IntSlider(styles.layerCountText, (int)layerCount.floatValue, 2, 4);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(material, "Change layer count");
layerCount.floatValue = (float)newLayerCount;
SynchronizeAllLayersProperties();
layerChanged = true;
}
m_MaterialEditor.TexturePropertySingleLine(styles.layerMapMaskText, layerMaskMap);
EditorGUI.BeginChangeCheck();
EditorGUI.showMixedValue = useMainLayerInfluence.hasMixedValue;
bool mainLayerModeInfluenceEnable = EditorGUILayout.Toggle(styles.useMainLayerInfluenceModeText, useMainLayerInfluence.floatValue > 0.0f);
if (EditorGUI.EndChangeCheck())
{
useMainLayerInfluence.floatValue = mainLayerModeInfluenceEnable ? 1.0f : 0.0f;
}
m_MaterialEditor.ShaderProperty(vertexColorMode, styles.vertexColorModeText);
EditorGUI.BeginChangeCheck();
EditorGUI.showMixedValue = useDensityMode.hasMixedValue;
bool useDensityModeEnable = EditorGUILayout.Toggle(styles.useDensityModeModeText, useDensityMode.floatValue > 0.0f);
if (EditorGUI.EndChangeCheck())
{
useDensityMode.floatValue = useDensityModeEnable ? 1.0f : 0.0f;
}
EditorGUI.BeginChangeCheck();
EditorGUI.showMixedValue = useHeightBasedBlend.hasMixedValue;
bool enabled = EditorGUILayout.Toggle(styles.useHeightBasedBlendText, useHeightBasedBlend.floatValue > 0.0f);
if (EditorGUI.EndChangeCheck())
{
useHeightBasedBlend.floatValue = enabled ? 1.0f : 0.0f;
}
EditorGUILayout.Space();
for (int i = 0; i < numLayer; i++)
{
layerChanged |= DoLayerGUI(materialImporter, i);
}
EditorGUILayout.Space();
GUILayout.BeginHorizontal();
{
GUILayout.FlexibleSpace();
if (GUILayout.Button(styles.syncButtonText))
{
SynchronizeAllLayersProperties();
layerChanged = true;
}
}
GUILayout.EndHorizontal();
EditorGUI.indentLevel--;
layerChanged |= GUI.changed;
GUI.changed = false;
return layerChanged;
}
protected override void SetupMaterialKeywords(Material material)
{
SetupCommonOptionsKeywords(material);
SetupLayersKeywords(material);
// Find first non null layer
int i = 0;
while (i < numLayer && (m_MaterialLayers[i] == null)) ++i;
if (i < numLayer)
{
SetKeyword(material, "_NORMALMAP", material.GetTexture(kNormalMap + i));
SetKeyword(material, "_MASKMAP", material.GetTexture(kMaskMap + i));
SetKeyword(material, "_SPECULAROCCLUSIONMAP", material.GetTexture(kSpecularOcclusionMap + i));
SetKeyword(material, "_HEIGHTMAP", material.GetTexture(kHeightMap + i));
SetKeyword(material, "_DETAIL_MAP", material.GetTexture(kDetailMap + i));
SetKeyword(material, "_DETAIL_MAP_WITH_NORMAL", ((DetailMapMode)material.GetFloat(kDetailMapMode)) == DetailMapMode.DetailWithNormal);
bool perPixelDisplacement = material.GetFloat(kEnablePerPixelDisplacement) == 1.0;
SetKeyword(material, "_PER_PIXEL_DISPLACEMENT", perPixelDisplacement);
SetKeyword(material, "_NORMALMAP_TANGENT_SPACE", ((NormalMapSpace)material.GetFloat(kNormalMapSpace)) == NormalMapSpace.TangentSpace);
SetKeyword(material, "_SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A", ((SmoothnessMapChannel)material.GetFloat(kSmoothnessTextureChannel)) == SmoothnessMapChannel.AlbedoAlpha);
}
SetKeyword(material, "_EMISSIVE_COLOR_MAP", material.GetTexture(kEmissiveColorMap));
SetKeyword(material, "_MAIN_LAYER_INFLUENCE_MODE", material.GetFloat(kkUseMainLayerInfluence) != 0.0f);
VertexColorMode VCMode = (VertexColorMode)vertexColorMode.floatValue;
if (VCMode == VertexColorMode.Multiply)
{
SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_MUL", true);
SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_ADD", false);
}
else if (VCMode == VertexColorMode.Add)
{
SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_MUL", false);
SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_ADD", true);
}
else
{
SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_MUL", false);
SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_ADD", false);
}
bool useHeightBasedBlend = material.GetFloat(kUseHeightBasedBlend) != 0.0f;
SetKeyword(material, "_HEIGHT_BASED_BLEND", useHeightBasedBlend);
bool useDensityModeEnable = material.GetFloat(kUseDensityMode) != 0.0f;
SetKeyword(material, "_DENSITY_MODE", useDensityModeEnable);
// We have to check for each layer if the UV2 or UV3 is needed.
bool needUV3 = false;
bool needUV2 = false;
for (int layer = 0; layer < numLayer; ++layer)
{
string uvBase = string.Format("{0}{1}", kUVBase, layer);
string uvDetail = string.Format("{0}{1}", kUVDetail, layer);
if ( ((UVDetailMapping)material.GetFloat(uvDetail) == UVDetailMapping.UV2) ||
((LayerUVBaseMapping)material.GetFloat(uvBase) == LayerUVBaseMapping.UV2) )
{
needUV2 = true;
}
if ( ((UVDetailMapping)material.GetFloat(uvDetail) == UVDetailMapping.UV3) ||
((LayerUVBaseMapping)material.GetFloat(uvBase) == LayerUVBaseMapping.UV3) )
{
needUV3 = true;
break; // If we find it UV3 let's early out
}
}
if (needUV3)
{
material.DisableKeyword("_REQUIRE_UV2");
material.EnableKeyword("_REQUIRE_UV3");
}
else if (needUV2)
{
material.EnableKeyword("_REQUIRE_UV2");
material.DisableKeyword("_REQUIRE_UV3");
}
else
{
material.DisableKeyword("_REQUIRE_UV2");
material.DisableKeyword("_REQUIRE_UV3");
}
}
void SetupLayersKeywords(Material material)
{
if (numLayer == 4)
{
SetKeyword(material, "_LAYEREDLIT_4_LAYERS", true);
SetKeyword(material, "_LAYEREDLIT_3_LAYERS", false);
}
else if (numLayer == 3)
{
SetKeyword(material, "_LAYEREDLIT_4_LAYERS", false);
SetKeyword(material, "_LAYEREDLIT_3_LAYERS", true);
}
else
{
SetKeyword(material, "_LAYEREDLIT_4_LAYERS", false);
SetKeyword(material, "_LAYEREDLIT_3_LAYERS", false);
}
const string kLayerMappingTriplanar = "_LAYER_MAPPING_TRIPLANAR_";
for (int i = 0 ; i < numLayer; ++i)
{
// We setup the masking map based on the enum for each layer.
// using mapping mask allow to reduce the number of generated combination for a very small increase in ALU
string layerUVBaseParam = string.Format("{0}{1}", kUVBase, i);
LayerUVBaseMapping layerUVBaseMapping = (LayerUVBaseMapping)material.GetFloat(layerUVBaseParam);
string layerUVDetailParam = string.Format("{0}{1}", kUVDetail, i);
UVDetailMapping layerUVDetailMapping = (UVDetailMapping)material.GetFloat(layerUVDetailParam);
string currentLayerMappingTriplanar = string.Format("{0}{1}", kLayerMappingTriplanar, i);
float X, Y, Z, W;
X = (layerUVBaseMapping == LayerUVBaseMapping.UV0) ? 1.0f : 0.0f;
Y = (layerUVBaseMapping == LayerUVBaseMapping.UV1) ? 1.0f : 0.0f;
Z = (layerUVBaseMapping == LayerUVBaseMapping.UV2) ? 1.0f : 0.0f;
W = (layerUVBaseMapping == LayerUVBaseMapping.UV3) ? 1.0f : 0.0f;
layerUVMappingMask[i].colorValue = new Color(X, Y, Z, W);
layerUVMappingPlanar[i].floatValue = (layerUVBaseMapping == LayerUVBaseMapping.Planar) ? 1.0f : 0.0f;
SetKeyword(material, currentLayerMappingTriplanar, layerUVBaseMapping == LayerUVBaseMapping.Triplanar);
X = (layerUVDetailMapping == UVDetailMapping.UV0) ? 1.0f : 0.0f;
Y = (layerUVDetailMapping == UVDetailMapping.UV1) ? 1.0f : 0.0f;
Z = (layerUVDetailMapping == UVDetailMapping.UV2) ? 1.0f : 0.0f;
W = (layerUVDetailMapping == UVDetailMapping.UV3) ? 1.0f : 0.0f;
layerUVDetailsMappingMask[i].colorValue = new Color(X, Y, Z, W);
}
}
public override void OnGUI(MaterialEditor materialEditor, MaterialProperty[] props)
{
FindCommonOptionProperties(props);
FindMaterialProperties(props);
m_MaterialEditor = materialEditor;
m_MaterialEditor.serializedObject.Update();
Material material = m_MaterialEditor.target as Material;
AssetImporter materialImporter = AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(material.GetInstanceID()));
InitializeMaterialLayers(materialImporter, ref m_MaterialLayers);
bool optionsChanged = false;
EditorGUI.BeginChangeCheck();
{
ShaderOptionsGUI();
EditorGUILayout.Space();
}
if (EditorGUI.EndChangeCheck())
{
optionsChanged = true;
}
bool layerChanged = DoLayersGUI(materialImporter);
EditorGUILayout.Space();
GUILayout.Label(Styles.lightingText, EditorStyles.boldLabel);
EditorGUI.indentLevel++;
m_MaterialEditor.TexturePropertySingleLine(Styles.emissiveText, layerEmissiveColorMap, layerEmissiveColor);
m_MaterialEditor.ShaderProperty(layerEmissiveIntensity, Styles.emissiveIntensityText);
m_MaterialEditor.LightmapEmissionProperty(1);
m_MaterialEditor.ShaderProperty(horizonFade, Styles.horizonFadeText);
EditorGUI.indentLevel--;
CheckLayerConsistency();
if (layerChanged || optionsChanged)
{
SynchronizeInputOptions();
foreach (var obj in m_MaterialEditor.targets)
{
SetupMaterialKeywords((Material)obj);
}
SaveMaterialLayers(materialImporter);
}
m_MaterialEditor.serializedObject.ApplyModifiedProperties();
}
}
} // namespace UnityEditor