static public void SetupDisplacement(Material material, int layerCount = 1)
{
DisplacementMode displacementMode = GetFilteredDisplacementMode(material);
for (int i = 0; i < layerCount; i++)
{
var heightAmplitude = layerCount > 1 ? kHeightAmplitude + i : kHeightAmplitude;
var heightCenter = layerCount > 1 ? kHeightCenter + i : kHeightCenter;
if (material.HasProperty(heightAmplitude) && material.HasProperty(heightCenter))
{
var heightPoMAmplitude = layerCount > 1 ? kHeightPoMAmplitude + i : kHeightPoMAmplitude;
var heightParametrization = layerCount > 1 ? kHeightParametrization + i : kHeightParametrization;
var heightTessAmplitude = layerCount > 1 ? kHeightTessAmplitude + i : kHeightTessAmplitude;
var heightTessCenter = layerCount > 1 ? kHeightTessCenter + i : kHeightTessCenter;
var heightOffset = layerCount > 1 ? kHeightOffset + i : kHeightOffset;
var heightMin = layerCount > 1 ? kHeightMin + i : kHeightMin;
var heightMax = layerCount > 1 ? kHeightMax + i : kHeightMax;
if (displacementMode == DisplacementMode.Pixel)
{
material.SetFloat(heightAmplitude, material.GetFloat(heightPoMAmplitude) * 0.01f); // Convert centimeters to meters.
material.SetFloat(heightCenter, 1.0f); // PoM is always inward so base (0 height) is mapped to 1 in the texture
}
else
{
var parametrization = (HeightmapParametrization)material.GetFloat(heightParametrization);
if (parametrization == HeightmapParametrization.MinMax)
{
float offset = material.GetFloat(heightOffset);
float minHeight = material.GetFloat(heightMin);
float amplitude = material.GetFloat(heightMax) - minHeight;
material.SetFloat(heightAmplitude, amplitude * 0.01f); // Convert centimeters to meters.
material.SetFloat(heightCenter, -(minHeight + offset) / Mathf.Max(1e-6f, amplitude));
}
else
{
float offset = material.GetFloat(heightOffset);
float center = material.GetFloat(heightTessCenter);
float amplitude = material.GetFloat(heightTessAmplitude);
material.SetFloat(heightAmplitude, amplitude * 0.01f); // Convert centimeters to meters.
material.SetFloat(heightCenter, -offset / Mathf.Max(1e-6f, amplitude) + center);
}
}
}
}
}
static DisplacementMode GetFilteredDisplacementMode(Material material, DisplacementMode displacementMode)
{
if (material.HasProperty(kTessellationMode))
{
if (displacementMode == DisplacementMode.Pixel || displacementMode == DisplacementMode.Vertex)
{
return(DisplacementMode.None);
}
}
else
{
if (displacementMode == DisplacementMode.Tessellation)
{
return(DisplacementMode.None);
}
}
return(displacementMode);
}
public WaterSample(Water water, DisplacementMode displacementMode = DisplacementMode.Height, float precision = 1.0f)
{
if (water == null)
{
throw new System.ArgumentException("Argument 'water' is null.");
}
if (precision <= 0.0f || precision > 1.0f)
{
throw new System.ArgumentException("Precision has to be between 0.0 and 1.0.");
}
this.precision = precision;
this.horizontalThreshold = 0.045f / (precision * precision * precision);
this.water = water;
this.displacementMode = displacementMode;
this.previousResult.x = float.NaN;
}
void DrawSurfaceInputsGUI()
{
UVBaseMapping uvBaseMapping = (UVBaseMapping)UVBase[m_LayerIndex].floatValue;
float X, Y, Z, W;
materialEditor.TexturePropertySingleLine(Styles.baseColorText, baseColorMap[m_LayerIndex], baseColor[m_LayerIndex]);
bool hasMetallic = materials.All(m =>
m.GetMaterialId() == MaterialId.LitStandard ||
m.GetMaterialId() == MaterialId.LitAniso ||
m.GetMaterialId() == MaterialId.LitIridescence);
if (maskMap[m_LayerIndex].textureValue == null)
{
if (hasMetallic)
materialEditor.ShaderProperty(metallic[m_LayerIndex], Styles.metallicText);
materialEditor.ShaderProperty(smoothness[m_LayerIndex], Styles.smoothnessText);
}
else
{
if (hasMetallic)
materialEditor.MinMaxShaderProperty(metallicRemapMin[m_LayerIndex], metallicRemapMax[m_LayerIndex], 0.0f, 1.0f, Styles.metallicRemappingText);
materialEditor.MinMaxShaderProperty(smoothnessRemapMin[m_LayerIndex], smoothnessRemapMax[m_LayerIndex], 0.0f, 1.0f, Styles.smoothnessRemappingText);
materialEditor.MinMaxShaderProperty(aoRemapMin[m_LayerIndex], aoRemapMax[m_LayerIndex], 0.0f, 1.0f, Styles.aoRemappingText);
}
materialEditor.TexturePropertySingleLine((materials.All(m => m.GetMaterialId() == MaterialId.LitSpecular)) ? Styles.maskMapSpecularText : Styles.maskMapSText, maskMap[m_LayerIndex]);
materialEditor.ShaderProperty(normalMapSpace[m_LayerIndex], Styles.normalMapSpaceText);
// Triplanar only work with tangent space normal
if ((NormalMapSpace)normalMapSpace[m_LayerIndex].floatValue == NormalMapSpace.ObjectSpace && ((UVBaseMapping)UVBase[m_LayerIndex].floatValue == UVBaseMapping.Triplanar))
{
EditorGUILayout.HelpBox(Styles.normalMapSpaceWarning.text, MessageType.Error);
}
// We have two different property for object space and tangent space normal map to allow
// 1. to go back and forth
// 2. to avoid the warning that ask to fix the object normal map texture (normalOS are just linear RGB texture
if ((NormalMapSpace)normalMapSpace[m_LayerIndex].floatValue == NormalMapSpace.TangentSpace)
{
materialEditor.TexturePropertySingleLine(Styles.normalMapText, normalMap[m_LayerIndex], normalScale[m_LayerIndex]);
materialEditor.TexturePropertySingleLine(Styles.bentNormalMapText, bentNormalMap[m_LayerIndex]);
}
else
{
// No scaling in object space
materialEditor.TexturePropertySingleLine(Styles.normalMapOSText, normalMapOS[m_LayerIndex]);
materialEditor.TexturePropertySingleLine(Styles.bentNormalMapOSText, bentNormalMapOS[m_LayerIndex]);
}
DisplacementMode displaceMode = (DisplacementMode)displacementMode.floatValue;
if (displaceMode != DisplacementMode.None || (m_Features & Features.HeightMap) != 0)
{
EditorGUI.BeginChangeCheck();
materialEditor.TexturePropertySingleLine(Styles.heightMapText, heightMap[m_LayerIndex]);
if (!heightMap[m_LayerIndex].hasMixedValue && heightMap[m_LayerIndex].textureValue != null && !displacementMode.hasMixedValue)
{
EditorGUI.indentLevel++;
if (displaceMode == DisplacementMode.Pixel)
{
materialEditor.ShaderProperty(heightPoMAmplitude[m_LayerIndex], Styles.heightMapAmplitudeText);
}
else
{
materialEditor.ShaderProperty(heightParametrization[m_LayerIndex], Styles.heightMapParametrization);
if (!heightParametrization[m_LayerIndex].hasMixedValue)
{
HeightmapParametrization parametrization = (HeightmapParametrization)heightParametrization[m_LayerIndex].floatValue;
if (parametrization == HeightmapParametrization.MinMax)
{
EditorGUI.BeginChangeCheck();
materialEditor.ShaderProperty(heightMin[m_LayerIndex], Styles.heightMapMinText);
if (EditorGUI.EndChangeCheck())
heightMin[m_LayerIndex].floatValue = Mathf.Min(heightMin[m_LayerIndex].floatValue, heightMax[m_LayerIndex].floatValue);
EditorGUI.BeginChangeCheck();
materialEditor.ShaderProperty(heightMax[m_LayerIndex], Styles.heightMapMaxText);
if (EditorGUI.EndChangeCheck())
heightMax[m_LayerIndex].floatValue = Mathf.Max(heightMin[m_LayerIndex].floatValue, heightMax[m_LayerIndex].floatValue);
}
else
{
EditorGUI.BeginChangeCheck();
materialEditor.ShaderProperty(heightTessAmplitude[m_LayerIndex], Styles.heightMapAmplitudeText);
if (EditorGUI.EndChangeCheck())
heightTessAmplitude[m_LayerIndex].floatValue = Mathf.Max(0f, heightTessAmplitude[m_LayerIndex].floatValue);
materialEditor.ShaderProperty(heightTessCenter[m_LayerIndex], Styles.heightMapCenterText);
}
materialEditor.ShaderProperty(heightOffset[m_LayerIndex], Styles.heightMapOffsetText);
}
}
EditorGUI.indentLevel--;
}
// UI only updates intermediate values, this will update the values actually used by the shader.
if (EditorGUI.EndChangeCheck())
{
SurfaceOptionUIBlock surfaceOption;
// Fetch the surface option block which contains the function to update the displacement datas
if (m_LayerCount == 1)
surfaceOption = parent.FetchUIBlock<SurfaceOptionUIBlock>();
else
surfaceOption = parent.parent.FetchUIBlock<SurfaceOptionUIBlock>();
surfaceOption.UpdateDisplacement(m_LayerIndex);
}
}
if (materials.All(m => m.GetMaterialId() == materials[0].GetMaterialId()))
{
// We can use materials[0] because all the material IDs have the same value
switch (materials[0].GetMaterialId())
{
case MaterialId.LitSSS:
case MaterialId.LitTranslucent:
ShaderSSSAndTransmissionInputGUI();
break;
case MaterialId.LitStandard:
// Nothing
break;
// Following mode are not supported by layered lit and will not be call by it
// as the MaterialId enum don't define it
case MaterialId.LitAniso:
ShaderAnisoInputGUI();
break;
case MaterialId.LitSpecular:
ShaderSpecularColorInputGUI();
break;
case MaterialId.LitIridescence:
ShaderIridescenceInputGUI();
break;
default:
Debug.Assert(false, "Encountered an unsupported MaterialID.");
break;
}
}
if (!isLayeredLit)
{
ShaderClearCoatInputGUI();
}
EditorGUILayout.Space();
EditorGUI.BeginChangeCheck();
materialEditor.ShaderProperty(UVBase[m_LayerIndex], Styles.UVBaseMappingText);
uvBaseMapping = (UVBaseMapping)UVBase[m_LayerIndex].floatValue;
X = (uvBaseMapping == UVBaseMapping.UV0) ? 1.0f : 0.0f;
Y = (uvBaseMapping == UVBaseMapping.UV1) ? 1.0f : 0.0f;
Z = (uvBaseMapping == UVBaseMapping.UV2) ? 1.0f : 0.0f;
W = (uvBaseMapping == UVBaseMapping.UV3) ? 1.0f : 0.0f;
UVMappingMask[m_LayerIndex].colorValue = new Color(X, Y, Z, W);
if ((uvBaseMapping == UVBaseMapping.Planar) || (uvBaseMapping == UVBaseMapping.Triplanar))
{
materialEditor.ShaderProperty(TexWorldScale[m_LayerIndex], Styles.texWorldScaleText);
}
materialEditor.TextureScaleOffsetProperty(baseColorMap[m_LayerIndex]);
if (EditorGUI.EndChangeCheck())
{
// Precompute.
InvTilingScale[m_LayerIndex].floatValue = 2.0f / (Mathf.Abs(baseColorMap[m_LayerIndex].textureScaleAndOffset.x) + Mathf.Abs(baseColorMap[m_LayerIndex].textureScaleAndOffset.y));
if ((uvBaseMapping == UVBaseMapping.Planar) || (uvBaseMapping == UVBaseMapping.Triplanar))
{
InvTilingScale[m_LayerIndex].floatValue = InvTilingScale[m_LayerIndex].floatValue / TexWorldScale[m_LayerIndex].floatValue;
}
}
}