//returns the number of meshes
private static int ExportDetails(BuildrData data)
{
DynamicMeshGenericMultiMaterialMesh DET_MESH = new DynamicMeshGenericMultiMaterialMesh();
BuildrDetailExportObject exportObject = BuildrBuildingDetails.Build(DET_MESH, data);
int numberOfMeshes = exportObject.detailMeshes.Length;
if (numberOfMeshes == 0)
{
return(0);
}
string textureName = data.exportFilename + ATLASED_SUFFIX + DETAIL_SUFFIX;
string textureFileName = textureName + ".png";
string newDirectory = ROOT_FOLDER + data.exportFilename;
File.WriteAllBytes(newDirectory + "/" + textureFileName, exportObject.texture.EncodeToPNG());
ExportMaterial[] exportTextures = new ExportMaterial[1];
ExportMaterial newTexture = new ExportMaterial();
newTexture.name = textureName;
newTexture.filepath = textureFileName;
newTexture.generated = true;
exportTextures[0] = newTexture;
for (int i = 0; i < numberOfMeshes; i++)
{
string DetailSuffixIndex = ((numberOfMeshes > 1) ? "_" + i : "");
string DetailFileName = data.exportFilename + DETAIL_SUFFIX + DetailSuffixIndex;
string DetailFolder = ROOT_FOLDER + data.exportFilename + "/";
Export(DetailFileName, DetailFolder, data, exportObject.detailMeshes[i], exportTextures);
}
Texture2D.DestroyImmediate(exportObject.texture);
return(numberOfMeshes);
}
/// <summary>
/// generate an array of gameobjects that contain all the generated detail meshes - ready to display in a scene
/// </summary>
/// <param name="mesh"></param>
/// <param name="data"></param>
/// <returns></returns>
public static GameObject[] Render(DynamicMeshGenericMultiMaterialMesh mesh, BuildrData data)
{
List <GameObject> detailGameobjects = new List <GameObject>();
int numberOfDetails = data.details.Count;
if (numberOfDetails == 0)
{
return(detailGameobjects.ToArray());
}
BuildrDetailExportObject exportObject = Build(mesh, data);
int numberOfMeshes = exportObject.detailMeshes.Length;
if (numberOfMeshes == 0)
{
return(detailGameobjects.ToArray());
}
if (detailMat == null)
{
detailMat = new Material(Shader.Find("Diffuse"));
}
detailMat.mainTexture = detailtexture;
for (int i = 0; i < numberOfMeshes; i++)
{
GameObject details = new GameObject("details " + i);
details.AddComponent <MeshFilter>().mesh = exportObject.detailMeshes[i];
details.AddComponent <MeshRenderer>().sharedMaterial = detailMat;
detailGameobjects.Add(details);
}
// Debug.Log("BuildR Detail Pack Complete: " + (Time.realtimeSinceStartup - timestart) + " sec");
return(detailGameobjects.ToArray());
}
/// <summary>
/// Generate the detail meshes and return the export object
/// </summary>
/// <param name="mesh"></param>
/// <param name="data"></param>
/// <returns></returns>
public static BuildrDetailExportObject Build(DynamicMeshGenericMultiMaterialMesh mesh, BuildrData data)
{
BuildrDetailExportObject exportObject = new BuildrDetailExportObject();
List<Texture2D> detailTextures = new List<Texture2D>();
List<int> detailSubmeshesWithTextures = new List<int>();
int numberOfDetails = data.details.Count;
mesh.Clear();
mesh.subMeshCount = numberOfDetails;
for(int d = 0; d < numberOfDetails; d++)
{
BuildrDetail detail = data.details[d];
if(detail.mesh == null)
continue;
int faceIndex = detail.face;
Vector3 position = Vector3.zero;
BuildrPlan plan = data.plan;
int numberOfVolumes = plan.numberOfVolumes;
Vector2 faceUv = detail.faceUv;
Quaternion faceAngle = Quaternion.identity;
//Place the detail mesh
if (detail.type == BuildrDetail.Types.Facade)
{
//find facade
int facadeCount = 0;
bool facadeFound = false;
for (int s = 0; s < numberOfVolumes; s++)
{
BuildrVolume volume = plan.volumes[s];
int numberOfVolumePoints = volume.points.Count;
for (int p = 0; p < numberOfVolumePoints; p++)
{
if (facadeCount == faceIndex)
{
int indexA = p;
int indexB = (p + 1) % numberOfVolumePoints;
Vector3 p0 = plan.points[volume.points[indexA]].vector3;
Vector3 p1 = plan.points[volume.points[indexB]].vector3;
Vector3 basePosition = Vector3.Lerp(p0, p1, faceUv.x);
Vector3 detailHeight = Vector3.up * (volume.numberOfFloors * data.floorHeight * faceUv.y);
Vector3 facadeCross = Vector3.Cross(Vector3.up, p1 - p0).normalized;
Vector3 detailDepth = facadeCross * detail.faceHeight;
faceAngle = Quaternion.LookRotation(facadeCross);
position = basePosition + detailHeight + detailDepth;
facadeFound = true;
break;
}
facadeCount++;
}
if (facadeFound)
break;
}
}
else//roof detail
{
BuildrVolume volume = plan.volumes[Mathf.Clamp(0,numberOfVolumes-1,faceIndex)];
int numberOfVolumePoints = volume.points.Count;
Vector3 minimumRoofPoint = plan.points[volume.points[0]].vector3;
Vector3 maximumRoofPoint = minimumRoofPoint;
for (int p = 1; p < numberOfVolumePoints; p++)
{
Vector3 p0 = plan.points[volume.points[p]].vector3;
if (p0.x < minimumRoofPoint.x) minimumRoofPoint.x = p0.x;
if (p0.z < minimumRoofPoint.y) minimumRoofPoint.y = p0.z;
if (p0.x > maximumRoofPoint.x) maximumRoofPoint.x = p0.x;
if (p0.z > maximumRoofPoint.y) maximumRoofPoint.y = p0.z;
}
position.x = Mathf.Lerp(minimumRoofPoint.x, maximumRoofPoint.x, faceUv.x);
position.z = Mathf.Lerp(minimumRoofPoint.y, maximumRoofPoint.y, faceUv.y);
position.y = volume.numberOfFloors * data.floorHeight + detail.faceHeight;
}
Quaternion userRotation = Quaternion.Euler(detail.userRotation);
int vertexCount = detail.mesh.vertexCount;
Vector3[] verts = new Vector3[vertexCount];
Quaternion rotate = faceAngle * userRotation;
for (int i = 0; i < vertexCount; i++)
{
Vector3 sourceVertex = Vector3.Scale(detail.mesh.vertices[i], detail.scale);
Vector3 outputVertex = (rotate) * sourceVertex + position;
verts[i] = outputVertex;
}
mesh.AddData(verts, detail.mesh.uv, detail.mesh.triangles, d);
detail.worldPosition = position;
detail.worldRotation = rotate;
if (detail.material.mainTexture != null)
{
#if UNITY_EDITOR
string texturePath = AssetDatabase.GetAssetPath(detail.material.mainTexture);
TextureImporter textureImporter = (TextureImporter)AssetImporter.GetAtPath(texturePath);
if (!textureImporter.isReadable)
{
Debug.LogWarning("The texture you have selected is not readable. Cannot render");
return exportObject;
}
detailTextures.Add((Texture2D)detail.material.mainTexture);
detailSubmeshesWithTextures.Add(d);
#endif
}
}
if(detailtexture!=null)
Object.DestroyImmediate(detailtexture);
List<Mesh> outputMeshes = new List<Mesh>();
if (detailSubmeshesWithTextures.Count > 0)
{
Rect[] textureRects = BuildrTexturePacker2.Pack(out detailtexture, detailTextures.ToArray(), 512);
if(detailSubmeshesWithTextures.Count > 0) mesh.Atlas(detailSubmeshesWithTextures.ToArray(), textureRects);
mesh.CollapseSubmeshes();
mesh.Build();
int numberOfMeshes = mesh.meshCount;
for (int i = 0; i < numberOfMeshes; i++)
outputMeshes.Add(mesh[i].mesh);
}
exportObject.detailMeshes = outputMeshes.ToArray();
exportObject.texture = detailtexture;
return exportObject;
/*if (detailMat == null)
detailMat = new Material(Shader.Find("Diffuse"));
detailMat.mainTexture = detailtexture;
List<Mesh> outputMeshes = new List<Mesh>();
for (int i = 0; i < numberOfMeshes; i++)
{
outputMeshes.Add(mesh[i].mesh);
GameObject details = new GameObject("details " + i);
details.AddComponent<MeshFilter>().mesh = mesh[i].mesh;
details.AddComponent<MeshRenderer>().sharedMaterial = detailMat;
detailGameobjects.Add(details);
}
}
// Debug.Log("BuildR Detail Pack Complete: " + (Time.realtimeSinceStartup - timestart) + " sec");
return detailGameobjects.ToArray();*/
}
/// <summary>
/// Generate the detail meshes and return the export object
/// </summary>
/// <param name="mesh"></param>
/// <param name="data"></param>
/// <returns></returns>
public static BuildrDetailExportObject Build(DynamicMeshGenericMultiMaterialMesh mesh, BuildrData data)
{
BuildrDetailExportObject exportObject = new BuildrDetailExportObject();
List <Texture2D> detailTextures = new List <Texture2D>();
List <int> detailSubmeshesWithTextures = new List <int>();
int numberOfDetails = data.details.Count;
mesh.Clear();
mesh.subMeshCount = numberOfDetails;
for (int d = 0; d < numberOfDetails; d++)
{
BuildrDetail detail = data.details[d];
if (detail.mesh == null)
{
continue;
}
int faceIndex = detail.face;
Vector3 position = Vector3.zero;
BuildrPlan plan = data.plan;
int numberOfVolumes = plan.numberOfVolumes;
Vector2 faceUv = detail.faceUv;
Quaternion faceAngle = Quaternion.identity;
//Place the detail mesh
if (detail.type == BuildrDetail.Types.Facade)
{
//find facade
int facadeCount = 0;
bool facadeFound = false;
for (int s = 0; s < numberOfVolumes; s++)
{
BuildrVolume volume = plan.volumes[s];
int numberOfVolumePoints = volume.points.Count;
for (int p = 0; p < numberOfVolumePoints; p++)
{
if (facadeCount == faceIndex)
{
int indexA = p;
int indexB = (p + 1) % numberOfVolumePoints;
Vector3 p0 = plan.points[volume.points[indexA]].vector3;
Vector3 p1 = plan.points[volume.points[indexB]].vector3;
Vector3 basePosition = Vector3.Lerp(p0, p1, faceUv.x);
Vector3 detailHeight = Vector3.up * (volume.numberOfFloors * data.floorHeight * faceUv.y);
Vector3 facadeCross = Vector3.Cross(Vector3.up, p1 - p0).normalized;
Vector3 detailDepth = facadeCross * detail.faceHeight;
faceAngle = Quaternion.LookRotation(facadeCross);
position = basePosition + detailHeight + detailDepth;
facadeFound = true;
break;
}
facadeCount++;
}
if (facadeFound)
{
break;
}
}
}
else//roof detail
{
BuildrVolume volume = plan.volumes[Mathf.Clamp(0, numberOfVolumes - 1, faceIndex)];
int numberOfVolumePoints = volume.points.Count;
Vector3 minimumRoofPoint = plan.points[volume.points[0]].vector3;
Vector3 maximumRoofPoint = minimumRoofPoint;
for (int p = 1; p < numberOfVolumePoints; p++)
{
Vector3 p0 = plan.points[volume.points[p]].vector3;
if (p0.x < minimumRoofPoint.x)
{
minimumRoofPoint.x = p0.x;
}
if (p0.z < minimumRoofPoint.y)
{
minimumRoofPoint.y = p0.z;
}
if (p0.x > maximumRoofPoint.x)
{
maximumRoofPoint.x = p0.x;
}
if (p0.z > maximumRoofPoint.y)
{
maximumRoofPoint.y = p0.z;
}
}
position.x = Mathf.Lerp(minimumRoofPoint.x, maximumRoofPoint.x, faceUv.x);
position.z = Mathf.Lerp(minimumRoofPoint.y, maximumRoofPoint.y, faceUv.y);
position.y = volume.numberOfFloors * data.floorHeight + detail.faceHeight;
}
Quaternion userRotation = Quaternion.Euler(detail.userRotation);
int vertexCount = detail.mesh.vertexCount;
Vector3[] verts = new Vector3[vertexCount];
Quaternion rotate = faceAngle * userRotation;
for (int i = 0; i < vertexCount; i++)
{
Vector3 sourceVertex = Vector3.Scale(detail.mesh.vertices[i], detail.scale);
Vector3 outputVertex = (rotate) * sourceVertex + position;
verts[i] = outputVertex;
}
mesh.AddData(verts, detail.mesh.uv, detail.mesh.triangles, d);
detail.worldPosition = position;
detail.worldRotation = rotate;
if (detail.material.mainTexture != null)
{
#if UNITY_EDITOR
string texturePath = AssetDatabase.GetAssetPath(detail.material.mainTexture);
TextureImporter textureImporter = (TextureImporter)AssetImporter.GetAtPath(texturePath);
if (!textureImporter.isReadable)
{
Debug.LogWarning("The texture you have selected is not readable. Cannot render");
return(exportObject);
}
detailTextures.Add((Texture2D)detail.material.mainTexture);
detailSubmeshesWithTextures.Add(d);
#endif
}
}
if (detailtexture != null)
{
Object.DestroyImmediate(detailtexture);
}
List <Mesh> outputMeshes = new List <Mesh>();
if (detailSubmeshesWithTextures.Count > 0)
{
Rect[] textureRects = BuildrTexturePacker2.Pack(out detailtexture, detailTextures.ToArray(), 512);
if (detailSubmeshesWithTextures.Count > 0)
{
mesh.Atlas(detailSubmeshesWithTextures.ToArray(), textureRects);
}
mesh.CollapseSubmeshes();
mesh.Build();
int numberOfMeshes = mesh.meshCount;
for (int i = 0; i < numberOfMeshes; i++)
{
outputMeshes.Add(mesh[i].mesh);
}
}
exportObject.detailMeshes = outputMeshes.ToArray();
exportObject.texture = detailtexture;
return(exportObject);
/*if (detailMat == null)
* detailMat = new Material(Shader.Find("Diffuse"));
* detailMat.mainTexture = detailtexture;
* List<Mesh> outputMeshes = new List<Mesh>();
* for (int i = 0; i < numberOfMeshes; i++)
* {
* outputMeshes.Add(mesh[i].mesh);
* GameObject details = new GameObject("details " + i);
* details.AddComponent<MeshFilter>().mesh = mesh[i].mesh;
* details.AddComponent<MeshRenderer>().sharedMaterial = detailMat;
* detailGameobjects.Add(details);
* }
* }
* // Debug.Log("BuildR Detail Pack Complete: " + (Time.realtimeSinceStartup - timestart) + " sec");
* return detailGameobjects.ToArray();*/
}
