private void DoExport()
{
try
{
if (!Directory.Exists(exportPath))
{
Directory.CreateDirectory(exportPath);
}
}
catch
{
Debug.LogError("Error while creating the export folder!");
return;
}
FBXExporter.LightmappingEnabled = lightmapExportType != LightmapExportType.None;
for (int i = 0; i < texturesExportedData.Count; i++)
{
TextureExportData tex = texturesExportedData[i];
string path = AssetDatabase.GetAssetPath(tex.Texture);
string expPath = Path.Combine(exportPath, tex.Texture.name);
Texture2D texture = tex.Texture;
// force power of 2 resolution
if (!IsPowerOf2(tex.Resolution))
{
// not a power of 2
tex.Resolution = Math.Min(NextPowerOf2(tex.Resolution), maxLightMapResolution);
}
if (string.IsNullOrEmpty(path))
{
// we created this texture, just export it (were free to read it)
tex.ExportedPath = tex.Texture.name + GetImageFormatName(tex.Format);
if (tex.Resolution != texture.width)
{
Texture2D scaled = TextureUtil.ScaleTexture(tex, tex.Resolution, true, filterMode);
ExportTexture(scaled, expPath, defaultTexFormat, null, true);
UObject.DestroyImmediate(scaled);
}
else
{
ExportTexture(tex.Texture, expPath, defaultTexFormat, null, true);
}
}
else
{
TextureImporter importer = (TextureImporter)TextureImporter.GetAtPath(path);
bool wasReadable = importer.isReadable;
TextureImporterFormat lastFormat = importer.textureFormat;
bool changed = false;
bool alpha = importer.alphaIsTransparency;
if (!importer.isReadable || importer.textureFormat != TextureImporterFormat.ARGB32) // only reimport if truly needed
{
changed = true;
importer.isReadable = true;
if (!tex.Texture.name.Contains("comp_light"))
{
importer.textureFormat = TextureImporterFormat.ARGB32;
}
}
AssetDatabase.Refresh();
AssetDatabase.ImportAsset(path);
if (tex.Resolution != texture.width)
{
Texture2D scaled = TextureUtil.ScaleTexture(tex, tex.Resolution, !alpha, filterMode);
ExportTexture(scaled, expPath, defaultTexFormat, null, !alpha);
UObject.DestroyImmediate(scaled);
}
else
{
ExportTexture(tex.Texture, expPath, tex.Format, tex.Quality, !alpha);
}
tex.ExportedPath = tex.Texture.name + GetImageFormatName(tex.Format);
if (changed)
{
importer.isReadable = wasReadable;
importer.textureFormat = lastFormat;
AssetDatabase.Refresh();
AssetDatabase.ImportAsset(path);
}
}
}
bool switchUv = lightmapExportType == LightmapExportType.BakedMaterial;
for (int i = 0; i < meshesExportedData.Count; i++)
{
MeshExportData model = meshesExportedData[i];
string name = meshesNames[model.Mesh];
string expPath = Path.Combine(exportPath, name);
ExportMesh(model.Mesh, expPath, model.Format, null, switchUv);
model.ExportedPath = name + GetMeshFormat(model.Format);
}
// Make the index.html file
StringBuilder index = new StringBuilder("<html>\n\t<head>\n\t\t<title>Janus Unity Exporter v" + Version + "</title>\n\t</head>\n\t<body>\n\t\t<FireBoxRoom>\n\t\t\t<Assets>");
List <Mesh> meshWritten = new List <Mesh>();
for (int i = 0; i < exported.exportedObjs.Count; i++)
{
ExportedObject obj = exported.exportedObjs[i];
if (!meshWritten.Contains(obj.Mesh))
{
string path = meshesExportedData.First(c => c.Mesh == obj.Mesh).ExportedPath;
string name = meshesNames[obj.Mesh];
index.Append("\n\t\t\t\t<AssetObject id=\"" + name + "\" src=\"" + path + "\" />");
meshWritten.Add(obj.Mesh);
}
}
// textures appear only once, while exported objects can appear multiple times
// that's why we have a meshwritten list, and not a texturewritten (not anymore at least)
for (int i = 0; i < texturesExportedData.Count; i++)
{
TextureExportData data = texturesExportedData[i];
string path = data.ExportedPath;
index.Append("\n\t\t\t\t<AssetImage id=\"" + Path.GetFileNameWithoutExtension(path) + "\" src=\"" + path + "\" />");
}
TextureExportData fronttex, backtex, lefttex, righttex, uptex, downtex = null;
string skyboxdata = "";
if (exportSkybox)
{
Material skybox = RenderSettings.skybox;
if (skybox != null)
{
bool proceed = true;
for (int i = 0; i < skyboxTexNames.Length; i++)
{
if (!skybox.HasProperty(skyboxTexNames[i]))
{
proceed = false;
}
}
if (proceed)
{
fronttex = texturesExportedData.FirstOrDefault(c => c.Texture == (Texture2D)skybox.GetTexture("_FrontTex"));
backtex = texturesExportedData.FirstOrDefault(c => c.Texture == (Texture2D)skybox.GetTexture("_BackTex"));
lefttex = texturesExportedData.FirstOrDefault(c => c.Texture == (Texture2D)skybox.GetTexture("_LeftTex"));
righttex = texturesExportedData.FirstOrDefault(c => c.Texture == (Texture2D)skybox.GetTexture("_RightTex"));
uptex = texturesExportedData.FirstOrDefault(c => c.Texture == (Texture2D)skybox.GetTexture("_UpTex"));
downtex = texturesExportedData.FirstOrDefault(c => c.Texture == (Texture2D)skybox.GetTexture("_DownTex"));
if (fronttex != null)
{
skyboxdata += "skybox_front_id=\"" + Path.GetFileNameWithoutExtension(fronttex.ExportedPath) + "\" ";
}
if (backtex != null)
{
skyboxdata += "skybox_back_id=\"" + Path.GetFileNameWithoutExtension(backtex.ExportedPath) + "\" ";
}
if (lefttex != null)
{
skyboxdata += "skybox_left_id=\"" + Path.GetFileNameWithoutExtension(lefttex.ExportedPath) + "\" ";
}
if (righttex != null)
{
skyboxdata += "skybox_right_id=\"" + Path.GetFileNameWithoutExtension(righttex.ExportedPath) + "\" ";
}
if (uptex != null)
{
skyboxdata += "skybox_up_id=\"" + Path.GetFileNameWithoutExtension(uptex.ExportedPath) + "\" ";
}
if (downtex != null)
{
skyboxdata += "skybox_down_id=\"" + Path.GetFileNameWithoutExtension(downtex.ExportedPath) + "\"";
}
if (skyboxdata.EndsWith(" "))
{
skyboxdata = skyboxdata.Remove(skyboxdata.Length - 1, 1);
}
skyboxdata = " " + skyboxdata;
}
}
}
index.Append("\n\t\t\t</Assets>\n\t\t\t<Room" + skyboxdata + ">");
for (int i = 0; i < exported.exportedObjs.Count; i++)
{
ExportedObject obj = exported.exportedObjs[i];
GameObject go = obj.GameObject;
string diffuseID = "";
string lmapID = "";
if (obj.DiffuseMapTex != null)
{
diffuseID = Path.GetFileNameWithoutExtension(texturesExportedData.First(k => k.Texture == obj.DiffuseMapTex).ExportedPath);
}
if (obj.LightMapTex != null)
{
lmapID = Path.GetFileNameWithoutExtension(texturesExportedData.First(k => k.Texture == obj.LightMapTex).ExportedPath);
}
CultureInfo c = CultureInfo.InvariantCulture;
Mesh mesh = obj.Mesh;
string meshName = meshesNames[mesh];
index.Append("\n\t\t\t\t<Object id=\"" + meshName + "\" lighting=\"true\" ");
if (!string.IsNullOrEmpty(diffuseID))
{
index.Append("image_id=\"" + diffuseID + "\" ");
}
if (!string.IsNullOrEmpty(lmapID))
{
index.Append("lmap_id=\"" + lmapID + "\" ");
if (lightmapExportType == LightmapExportType.Packed)
{
MeshRenderer renderer = go.GetComponent <MeshRenderer>();
Vector4 lmap = renderer.lightmapScaleOffset;
lmap.x = Mathf.Clamp(lmap.x, 0, 1);
lmap.y = Mathf.Clamp(lmap.y, 0, 1);
lmap.z = Mathf.Clamp(lmap.z, 0, 1);
lmap.w = Mathf.Clamp(lmap.w, 0, 1);
index.Append("lmap_sca=\"" + lmap.x.ToString(c) + " " + lmap.y.ToString(c) + " " + lmap.z.ToString(c) + " " + lmap.w.ToString(c) + "\" ");
}
}
if (obj.Col != null)
{
index.Append("collision_id=\"" + meshName + "\" ");
}
Transform trans = go.transform;
Vector3 pos = trans.position;
pos *= uniformScale;
pos.x *= -1;
Quaternion rot = trans.rotation;
Vector3 xDir = rot * Vector3.right;
Vector3 yDir = rot * Vector3.up;
Vector3 zDir = rot * Vector3.forward;
Vector3 sca = trans.lossyScale;
sca *= uniformScale;
index.Append("pos=\"" + pos.x.ToString(c) + " " + pos.y.ToString(c) + " " + pos.z.ToString(c) + "\" ");
if (sca.x < 0 || sca.y < 0 || sca.z < 0)
{
index.Append("cull_face=\"front\"" + "\" ");
}
index.Append("scale=\"");
index.Append(sca.x.ToString(c) + " " + sca.y.ToString(c) + " " + sca.z.ToString(c) + "\" ");
index.Append("xdir=\"");
index.Append(xDir.x.ToString(c) + " " + xDir.y.ToString(c) + " " + xDir.z.ToString(c) + "\" ");
index.Append("ydir=\"");
index.Append(yDir.x.ToString(c) + " " + yDir.y.ToString(c) + " " + yDir.z.ToString(c) + "\" ");
index.Append("zdir=\"");
index.Append(zDir.x.ToString(c) + " " + zDir.y.ToString(c) + " " + zDir.z.ToString(c) + "\" ");
index.Append("/>");
}
index.Append("\n\t\t\t</Room>\n\t\t</FireBoxRoom>\n\t</body>\n</html>");
string indexPath = Path.Combine(exportPath, "index.html");
File.WriteAllText(indexPath, index.ToString());
}
private void PreExport()
{
Clean();
texturesExported = new List <Texture2D>();
texturesExportedData = new List <TextureExportData>();
meshesExported = new List <Mesh>();
meshesExportedData = new List <MeshExportData>();
meshesNames = new Dictionary <Mesh, string>();
meshesCount = 0;
Scene scene = SceneManager.GetActiveScene();
GameObject[] roots = scene.GetRootGameObjects();
lightmapped = new Dictionary <int, List <GameObject> >();
exported = new ExportedData();
for (int i = 0; i < roots.Length; i++)
{
RecursiveSearch(roots[i], exported);
}
if (exportSkybox)
{
// look for skybox and grab all 6 textures if it's 6-sided
Material skybox = RenderSettings.skybox;
if (skybox != null)
{
bool proceed = true;
for (int i = 0; i < skyboxTexNames.Length; i++)
{
if (!skybox.HasProperty(skyboxTexNames[i]))
{
proceed = false;
}
}
if (proceed)
{
for (int i = 0; i < skyboxTexNames.Length; i++)
{
Texture2D tex = (Texture2D)skybox.GetTexture(skyboxTexNames[i]);
if (!texturesExported.Contains(tex))
{
texturesExported.Add(tex);
}
}
}
}
}
if (lightmapExportType != LightmapExportType.None &&
lightmapped.Count > 0)
{
string scenePath = scene.path;
scenePath = Path.GetDirectoryName(scenePath);
string lightMapsFolder = Path.Combine(scenePath, scene.name);
switch (lightmapExportType)
{
case LightmapExportType.BakedMaterial:
#region Baked
{
// only load shader now, so if the user is not exporting lightmaps
// he doesn't need to have it on his project folder
Shader lightMapShader = Shader.Find("Hidden/LMapBaked");
AssertShader(lightMapShader);
Material lightMap = new Material(lightMapShader);
lightMap.SetPass(0);
// export lightmaps
int lmap = 0;
foreach (var lightPair in lightmapped)
{
int id = lightPair.Key;
List <GameObject> toRender = lightPair.Value;
// get the path to the lightmap file
string lightMapFile = Path.Combine(lightMapsFolder, "Lightmap-" + id + "_comp_light.exr");
Texture2D texture = AssetDatabase.LoadAssetAtPath <Texture2D>(lightMapFile);
if (texture == null)
{
continue;
}
lightMap.SetTexture("_LightMapTex", texture);
for (int i = 0; i < toRender.Count; i++)
{
GameObject obj = toRender[i];
MeshRenderer renderer = obj.GetComponent <MeshRenderer>();
MeshFilter filter = obj.GetComponent <MeshFilter>();
Mesh mesh = filter.sharedMesh;
Transform trans = obj.transform;
Matrix4x4 world = Matrix4x4.TRS(trans.position, trans.rotation, trans.lossyScale);
Vector4 scaleOffset = renderer.lightmapScaleOffset;
float width = (1 - scaleOffset.z) * scaleOffset.x;
float height = (1 - scaleOffset.w) * scaleOffset.y;
float size = Math.Max(width, height);
int lightMapSize = (int)(maxLightMapResolution * size);
lightMapSize = (int)Math.Pow(2, Math.Ceiling(Math.Log(lightMapSize) / Math.Log(2)));
lightMapSize = Math.Min(maxLightMapResolution, Math.Max(lightMapSize, 16));
RenderTexture renderTexture = RenderTexture.GetTemporary(lightMapSize, lightMapSize, 0, RenderTextureFormat.ARGB32);
Graphics.SetRenderTarget(renderTexture);
GL.Clear(true, true, new Color(0, 0, 0, 0)); // clear to transparent
Material[] mats = renderer.sharedMaterials;
for (int j = 0; j < mats.Length; j++)
{
Material mat = mats[j];
lightMap.SetTexture("_MainTex", null);
Shader shader = mat.shader;
int props = ShaderUtil.GetPropertyCount(shader);
for (int k = 0; k < props; k++)
{
string name = ShaderUtil.GetPropertyName(shader, k);
if (ShaderUtil.GetPropertyType(shader, k) == ShaderUtil.ShaderPropertyType.TexEnv)
{
if (mainTexSemantics.Contains(name.ToLower()))
{
// main texture texture
lightMap.SetTexture("_MainTex", mat.GetTexture(name));
}
}
}
lightMap.SetVector("_LightMapUV", renderer.lightmapScaleOffset);
lightMap.SetPass(0);
Graphics.DrawMeshNow(mesh, world, j);
}
// This is the only way to access data from a RenderTexture
Texture2D tex = new Texture2D(renderTexture.width, renderTexture.height);
tex.ReadPixels(new Rect(0, 0, tex.width, tex.height), 0, 0);
tex.name = "Lightmap" + lmap;
tex.Apply(); // send the data back to the GPU so we can draw it on the preview area
if (!texturesExported.Contains(tex))
{
texturesExported.Add(tex);
}
ExportedObject eobj = exported.exportedObjs.First(c => c.GameObject == obj);
eobj.DiffuseMapTex = tex;
Graphics.SetRenderTarget(null);
RenderTexture.ReleaseTemporary(renderTexture);
lmap++;
}
}
UnityEngine.Object.DestroyImmediate(lightMap);
}
#endregion
break;
case LightmapExportType.Packed:
#region Packed
{
Shader lightMapShader = Shader.Find("Hidden/LMapPacked");
AssertShader(lightMapShader);
Material lightMap = new Material(lightMapShader);
lightMap.SetPass(0);
// just pass the textures forward
// export lightmaps
foreach (var lightPair in lightmapped)
{
int id = lightPair.Key;
List <GameObject> toRender = lightPair.Value;
// get the path to the lightmap file
string lightMapFile = Path.Combine(lightMapsFolder, "Lightmap-" + id + "_comp_light.exr");
Texture2D texture = AssetDatabase.LoadAssetAtPath <Texture2D>(lightMapFile);
if (texture == null)
{
continue;
}
lightMap.SetTexture("_LightMapTex", texture);
// We need to access unity_Lightmap_HDR to decode the lightmap,
// but we can't, so we have to render everything to a custom RenderTexture!
Texture2D decTex = new Texture2D(texture.width, texture.height);
decTex.name = "Lightmap" + id;
texturesExported.Add(decTex);
RenderTexture renderTexture = RenderTexture.GetTemporary(texture.width, texture.height);
Graphics.SetRenderTarget(renderTexture);
GL.Clear(true, true, new Color(0, 0, 0, 0)); // clear to transparent
for (int i = 0; i < toRender.Count; i++)
{
GameObject obj = toRender[i];
MeshRenderer renderer = obj.GetComponent <MeshRenderer>();
MeshFilter filter = obj.GetComponent <MeshFilter>();
Mesh mesh = filter.sharedMesh;
Transform trans = obj.transform;
Matrix4x4 world = Matrix4x4.TRS(trans.position, trans.rotation, trans.lossyScale);
lightMap.SetVector("_LightMapUV", renderer.lightmapScaleOffset);
lightMap.SetPass(0);
Graphics.DrawMeshNow(mesh, Matrix4x4.identity);
ExportedObject eobj = exported.exportedObjs.First(c => c.GameObject == obj);
eobj.LightMapTex = decTex;
}
decTex.ReadPixels(new Rect(0, 0, decTex.width, decTex.height), 0, 0);
decTex.Apply(); // send the data back to the GPU so we can draw it on the preview area
Graphics.SetRenderTarget(null);
RenderTexture.ReleaseTemporary(renderTexture);
}
UObject.DestroyImmediate(lightMap);
}
#endregion
break;
case LightmapExportType.Unpacked:
#region Unpacked
{
Shader lightMapShader = Shader.Find("Hidden/LMapUnpacked");
AssertShader(lightMapShader);
Material lightMap = new Material(lightMapShader);
lightMap.SetPass(0);
// export lightmaps
int lmap = 0;
foreach (var lightPair in lightmapped)
{
int id = lightPair.Key;
List <GameObject> toRender = lightPair.Value;
// get the path to the lightmap file
string lightMapFile = Path.Combine(lightMapsFolder, "Lightmap-" + id + "_comp_light.exr");
Texture2D texture = AssetDatabase.LoadAssetAtPath <Texture2D>(lightMapFile);
if (texture == null)
{
continue;
}
lightMap.SetTexture("_LightMapTex", texture);
for (int i = 0; i < toRender.Count; i++)
{
GameObject obj = toRender[i];
MeshRenderer renderer = obj.GetComponent <MeshRenderer>();
MeshFilter filter = obj.GetComponent <MeshFilter>();
Mesh mesh = filter.sharedMesh;
Transform trans = obj.transform;
Matrix4x4 world = Matrix4x4.TRS(trans.position, trans.rotation, trans.lossyScale);
Vector4 scaleOffset = renderer.lightmapScaleOffset;
float width = (1 - scaleOffset.z) * scaleOffset.x;
float height = (1 - scaleOffset.w) * scaleOffset.y;
float size = Math.Max(width, height);
int lightMapSize = (int)(maxLightMapResolution * size);
lightMapSize = (int)Math.Pow(2, Math.Ceiling(Math.Log(lightMapSize) / Math.Log(2)));
lightMapSize = Math.Min(maxLightMapResolution, Math.Max(lightMapSize, 16));
RenderTexture renderTexture = RenderTexture.GetTemporary(lightMapSize, lightMapSize, 0, RenderTextureFormat.ARGB32);
Graphics.SetRenderTarget(renderTexture);
GL.Clear(true, true, new Color(0, 0, 0, 0)); // clear to transparent
Material[] mats = renderer.sharedMaterials;
for (int j = 0; j < mats.Length; j++)
{
Material mat = mats[j];
lightMap.SetVector("_LightMapUV", renderer.lightmapScaleOffset);
lightMap.SetPass(0);
Graphics.DrawMeshNow(mesh, world, j);
}
// This is the only way to access data from a RenderTexture
Texture2D tex = new Texture2D(renderTexture.width, renderTexture.height);
tex.ReadPixels(new Rect(0, 0, tex.width, tex.height), 0, 0);
tex.name = "Lightmap" + lmap;
tex.Apply(); // send the data back to the GPU so we can draw it on the preview area
if (!texturesExported.Contains(tex))
{
texturesExported.Add(tex);
}
ExportedObject eobj = exported.exportedObjs.First(c => c.GameObject == obj);
eobj.LightMapTex = tex;
Graphics.SetRenderTarget(null);
RenderTexture.ReleaseTemporary(renderTexture);
lmap++;
}
}
UObject.DestroyImmediate(lightMap);
}
#endregion
break;
}
}
for (int i = 0; i < texturesExported.Count; i++)
{
Texture2D tex = texturesExported[i];
TextureExportData data = new TextureExportData();
string path = AssetDatabase.GetAssetPath(tex);
data.Created = string.IsNullOrEmpty(path);
data.Format = this.defaultTexFormat; // start up with a default format
data.Texture = tex;
data.Resolution = tex.width;
data.Quality = defaultQuality;
if (tex.width <= PreviewSize && tex.height <= PreviewSize)
{
data.Preview = data.Texture;
}
else
{
if (data.Created)
{
data.Preview = TextureUtil.ScaleTexture(data, PreviewSize, true);
data.ExportAlpha = false;
}
else
{
TextureImporter importer = (TextureImporter)TextureImporter.GetAtPath(path);
bool wasReadable = importer.isReadable;
TextureImporterFormat lastFormat = importer.textureFormat;
if (!importer.isReadable || importer.textureFormat != TextureImporterFormat.ARGB32) // only reimport if truly needed
{
importer.isReadable = true;
if (!tex.name.Contains("comp_light"))
{
importer.textureFormat = TextureImporterFormat.ARGB32;
}
}
AssetDatabase.Refresh();
AssetDatabase.ImportAsset(path);
data.Preview = TextureUtil.ScaleTexture(data, PreviewSize, true);
data.ExportAlpha = importer.alphaIsTransparency;
if (!wasReadable)
{
importer.isReadable = false;
importer.textureFormat = lastFormat;
}
}
}
texturesExportedData.Add(data);
}
for (int i = 0; i < meshesExported.Count; i++)
{
Mesh mesh = meshesExported[i];
MeshExportData data = new MeshExportData();
data.Format = this.defaultMeshFormat;
data.Mesh = mesh;
data.Preview = AssetPreview.GetAssetPreview(mesh);
string name = mesh.name;
if (string.IsNullOrEmpty(name))
{
meshesCount++;
name = "ExportedMesh" + meshesCount;
}
meshesNames.Add(mesh, name);
meshesExportedData.Add(data);
}
}