public override void Serialize(ExporterEntry entry, Dictionary <string, Extension> extensions, UnityEngine.Object component = null, object options = null)
{
var mat = component as UnityEngine.Material;
var hasReflection = ExporterSettings.Lighting.reflection && mat.GetInt("envReflection") != (int)SeinPBRShaderGUI.EnvReflection.Off;
var hasLighting = RenderSettings.ambientMode == UnityEngine.Rendering.AmbientMode.Skybox || RenderSettings.ambientMode == UnityEngine.Rendering.AmbientMode.Trilight;
if (!hasReflection && !hasLighting)
{
return;
}
if (entry.root.Extensions == null)
{
entry.root.Extensions = new Dictionary <string, Extension>();
}
Sein_imageBasedLightingExtension globalExtension;
if (!entry.root.Extensions.ContainsKey(ExtensionName))
{
globalExtension = new Sein_imageBasedLightingExtension();
globalExtension.isGlobal = true;
AddExtension(entry.root.Extensions, globalExtension);
}
else
{
globalExtension = (Sein_imageBasedLightingExtension)entry.root.Extensions[ExtensionName];
}
var extension = new Sein_imageBasedLightingExtension();
if (hasLighting && !hasReflection && _onlyLightingId.ContainsKey(entry))
{
extension.iblIndex = _onlyLightingId[entry];
extension.iblType = 1;
AddExtension(extensions, extension);
return;
}
var light = new Sein_imageBasedLightingExtension.Light {
specMap = -1
};
var coefficients = new float[9][];
UnityEngine.Rendering.SphericalHarmonicsL2 shs;
LightProbes.GetInterpolatedProbe(new UnityEngine.Vector3(), null, out shs);
float diffuseIntensity = 1;
if (shs != null)
{
for (var c = 0; c < 9; c += 1)
{
coefficients[c] = new float[3];
for (var b = 0; b < 3; b += 1)
{
coefficients[c][b] = shs[b, c];
}
}
}
else
{
Debug.LogWarning("There is no baked light probe.");
}
SHToRightHand(coefficients);
light.shCoefficients = coefficients;
light.diffuseIntensity = diffuseIntensity;
if (hasLighting && !hasReflection)
{
if (!_onlyLightingId.ContainsKey(entry))
{
globalExtension.lights.Add(light);
_onlyLightingId.Add(entry, globalExtension.lights.Count - 1);
}
extension.iblIndex = _onlyLightingId[entry];
extension.iblType = 1;
AddExtension(extensions, extension);
return;
}
var isCustomCubMap = RenderSettings.defaultReflectionMode == UnityEngine.Rendering.DefaultReflectionMode.Custom;
//ReflectionProbe
float specIntensity = RenderSettings.reflectionIntensity;
int textureId = -1;
int cacheId = 0;
light.specType = "Cube";
if (isCustomCubMap)
{
var Id = entry.SaveCubeTexture(RenderSettings.customReflection, maxSize: ExporterSettings.Lighting.reflectionSize);
cacheId = Id.GetHashCode();
textureId = Id.Id;
}
else
{
var skybox = RenderSettings.skybox;
if (skybox == null)
{
Debug.LogWarning("Use skybox as relfection source, but skybox is not defined, ignore... Check 'http://seinjs.com/cn/tutorial/artist/reflection'");
return;
}
if (skybox.shader.name == "Skybox/Cubemap")
{
var cubemap = skybox.GetTexture("_Tex") as Cubemap;
var Id = entry.SaveCubeTexture(cubemap, maxSize: ExporterSettings.Lighting.reflectionSize);
cacheId = Id.GetHashCode();
textureId = Id.Id;
}
else if (skybox.shader.name == "Skybox/6 Sided")
{
var texes = new Texture2D[] {
skybox.GetTexture("_RightTex") as Texture2D,
skybox.GetTexture("_LeftTex") as Texture2D,
skybox.GetTexture("_UpTex") as Texture2D,
skybox.GetTexture("_DownTex") as Texture2D,
skybox.GetTexture("_FrontTex") as Texture2D,
skybox.GetTexture("_BackTex") as Texture2D
};
var Id = entry.SaveCubeTexture(texes, maxSize: ExporterSettings.Lighting.reflectionSize);
cacheId = Id.GetHashCode();
textureId = Id.Id;
}
else if (skybox.shader.name == "Skybox/Panoramic")
{
var map = skybox.GetTexture("_MainTex") as Texture2D;
var Id = entry.SaveTexture(map, false, maxSize: ExporterSettings.Lighting.reflectionSize, flipY: false);
textureId = Id.Id;
cacheId = Id.GetHashCode();
light.specType = "2D";
}
else
{
Utils.ThrowExcption("Only support 'Skybox/Cubemap', 'Skybox/6 Side', 'Skybox/Panormic'");
}
}
if (_cache.ContainsKey(entry) && _cache[entry].ContainsKey(cacheId))
{
extension.iblIndex = _cache[entry][cacheId];
AddExtension(extensions, extension);
return;
}
light.specIntensity = specIntensity;
light.specMap = textureId;
light.brdfLUT = entry.SaveTexture(brdfLUT, false).Id;
globalExtension.lights.Add(light);
if (!_cache.ContainsKey(entry))
{
_cache[entry] = new Dictionary <int, int>();
}
_cache[entry].Add(cacheId, globalExtension.lights.Count - 1);
extension.iblIndex = _cache[entry][cacheId];
extension.iblType = 2;
AddExtension(extensions, extension);
}
public override void Serialize(ExporterEntry entry, Dictionary <string, Extension> extensions, UnityEngine.Object component = null)
{
if (!ExporterSettings.Lighting.reflection)
{
return;
}
var mat = component as UnityEngine.Material;
if (RenderSettings.ambientMode != UnityEngine.Rendering.AmbientMode.Skybox)
{
return;
}
if (entry.root.Extensions == null)
{
entry.root.Extensions = new Dictionary <string, Extension>();
}
Sein_imageBasedLightingExtension globalExtension;
if (!entry.root.Extensions.ContainsKey(ExtensionName))
{
globalExtension = new Sein_imageBasedLightingExtension();
globalExtension.isGlobal = true;
AddExtension(entry.root.Extensions, globalExtension);
}
else
{
globalExtension = (Sein_imageBasedLightingExtension)extensions["KHR_lights_punctual"];
}
var extension = new Sein_imageBasedLightingExtension();
Cubemap specMap = null;
//ReflectionProbe
float specIntensity = RenderSettings.reflectionIntensity;
if (RenderSettings.defaultReflectionMode == UnityEngine.Rendering.DefaultReflectionMode.Custom)
{
specMap = RenderSettings.customReflection;
}
else
{
//todo: support skybox cubemap
}
if (_cache.ContainsKey(specMap))
{
extension.iblIndex = _cache[specMap];
AddExtension(extensions, extension);
return;
}
var light = new Sein_imageBasedLightingExtension.Light();
var coefficients = new float[9][];
UnityEngine.Rendering.SphericalHarmonicsL2 shs;
LightProbes.GetInterpolatedProbe(new UnityEngine.Vector3(), null, out shs);
float diffuseIntensity = RenderSettings.ambientIntensity;
if (shs != null)
{
for (var c = 0; c < 9; c += 1)
{
coefficients[c] = new float[3];
for (var b = 0; b < 3; b += 1)
{
coefficients[c][b] = shs[b, c];
}
}
}
else
{
Debug.LogWarning("There is no baked light probe.");
}
light.shCoefficients = coefficients;
light.diffuseIntensity = diffuseIntensity;
light.brdfLUT = entry.SaveTexture(brdfLUT, false).Id;
light.specIntensity = specIntensity;
light.specMapFaces = new int[6];
string origAssetPath = AssetDatabase.GetAssetPath(specMap);
string ext = Path.GetExtension(origAssetPath);
var blurredSpecMap = GetSpecularCubeMap(specMap);
for (var i = 0; i < 6; i += 1)
{
var tex2d = new Texture2D(blurredSpecMap.width, blurredSpecMap.height, TextureFormat.RGBAHalf, false);
UnityEngine.Color[] colors = null;
switch (i)
{
case 0:
colors = blurredSpecMap.GetPixels(CubemapFace.PositiveX);
break;
case 1:
colors = blurredSpecMap.GetPixels(CubemapFace.NegativeX);
break;
case 2:
colors = blurredSpecMap.GetPixels(CubemapFace.PositiveY);
break;
case 3:
colors = blurredSpecMap.GetPixels(CubemapFace.NegativeY);
break;
case 4:
colors = blurredSpecMap.GetPixels(CubemapFace.PositiveZ);
break;
case 5:
colors = blurredSpecMap.GetPixels(CubemapFace.NegativeZ);
break;
}
tex2d.SetPixels(colors);
tex2d.Apply();
light.specMapFaces[i] = entry.SaveImageHDR(tex2d, ExporterSettings.Lighting.reflectionType, ExporterSettings.Lighting.reflectionSize, origAssetPath.Replace(ext, "-" + i + ext)).Id;
}
DeleteTempMap(blurredSpecMap);
globalExtension.lights.Add(light);
extension.iblIndex = globalExtension.lights.Count - 1;
if (mat.HasProperty("envReflection"))
{
extension.iblType = mat.GetInt("envReflection");
}
else
{
extension.iblType = 2;
}
AddExtension(extensions, extension);
}