public static GameObject CreateMeshInstance(MeshInstanceData meshInstanceData)
{
Debug.LogFormat("Mesh Instance - Token:{0}, Name:{1} Parent:{2}, Mesh:{3}", meshInstanceData.entityToken, meshInstanceData.displayName, meshInstanceData.entityParentToken, meshInstanceData.originalMesh);
var transform = MarshalData.GetXFormFromUnmanagedArray(meshInstanceData.xform);
// Find mesh prefab
Object meshPrefabObj = PackageMapper.GetObjectFromToken(meshInstanceData.originalMesh);
// Create a new game object
GameObject meshInst = Object.Instantiate(meshPrefabObj as GameObject);
// Remove the "(Clone)" string from name that Unity automatically adds when instantiating
// and apply the actual display name of the instance
meshInst.name = meshInstanceData.displayName;
// Find instance parent
Object parentObj = PackageMapper.GetObjectFromToken(meshInstanceData.entityParentToken);
SceneTransmissionProtocolUtilities.UpdateObjectHierarchy(meshInst, parentObj as GameObject, transform);
// Add token store
PackageMapper.AddUniqueTokenStore(meshInst, meshInstanceData.entityToken);
return(meshInst);
}
public static GameObject CreateCamera(CameraData cameraData)
{
CameraProjectionType camType = (CameraProjectionType)cameraData.type;
Debug.LogFormat("Camera - Token:{0}, Name:{1}, Projection Type:{2}, VerticalFov:{3}, AspectRatio:{4}, HorizontalMag:{5}, NearClip:{6}, FarClip:{7}", cameraData.entityToken, cameraData.displayName, camType, cameraData.verticalFov, cameraData.aspectRatio, cameraData.horizontalMag, cameraData.nearClip, cameraData.farClip);
// Get transformation data
var transform = MarshalData.GetXFormFromUnmanagedArray(cameraData.xform);
// Create a new game object
GameObject cameraInst = new GameObject(cameraData.displayName);
// Set transformation
SceneTransmissionProtocolUtilities.UpdateObjectHierarchy(cameraInst, null, transform);
// Add camera component
Camera camera = cameraInst.AddComponent <Camera>();
SetCameraData(camera, cameraData);
// Add token store
PackageMapper.AddUniqueTokenStore(cameraInst, cameraData.entityToken);
return(cameraInst);
}
public static void CreateAndSendMeshInstanceRequest(
GameObject meshInstanceObj,
string instanceToken,
string meshToken,
string parentToken)
{
MeshInstanceData meshInstanceData = new MeshInstanceData();
meshInstanceData.displayName = meshInstanceObj.name;
meshInstanceData.entityToken = instanceToken;
meshInstanceData.entityParentToken = parentToken;
meshInstanceData.originalMesh = meshToken;
// Add transformation
meshInstanceData.xform = MarshalData.GetXFormToUnmanagedArray(meshInstanceObj.transform.localToWorldMatrix);
System.IntPtr meshInstanceDataPtr = System.Runtime.InteropServices.Marshal.AllocHGlobal(System.Runtime.InteropServices.Marshal.SizeOf(meshInstanceData));
System.Runtime.InteropServices.Marshal.StructureToPtr(meshInstanceData, meshInstanceDataPtr, false);
Debug.LogFormat("Mesh Instance Push - Token:{0}, Parent:{1}, Mesh:{2}", meshInstanceData.entityToken, meshInstanceData.entityParentToken, meshInstanceData.originalMesh);
ImportMenu.stpUnitySendMeshInstanceData(meshInstanceDataPtr);
// Free allocated memory
System.Runtime.InteropServices.Marshal.FreeHGlobal(meshInstanceData.xform);
System.Runtime.InteropServices.Marshal.FreeHGlobal(meshInstanceDataPtr);
}
/// <summary>
/// Dependency check
/// Checks if all of the dependencies of the mesh are available in Unity
/// </summary>
public static bool DependencyCheck(MaterialDefinitionData materialDefinitionData)
{
// Check if we have textures available
var currentReadPtr = materialDefinitionData.parameters;
var parameterDataSize = System.Runtime.InteropServices.Marshal.SizeOf(typeof(MaterialDefinitionParameterData));
for (var i = 0; i < materialDefinitionData.parameterCount; ++i)
{
// Marshal parameter data
MaterialDefinitionParameterData parameterData = (MaterialDefinitionParameterData)System.Runtime.InteropServices.Marshal.PtrToStructure(currentReadPtr, typeof(MaterialDefinitionParameterData));
currentReadPtr = MarshalData.AddToIntPtr(currentReadPtr, parameterDataSize);
// Get the parameter type
ParamType type = (ParamType)parameterData.type;
if (type == ParamType.Texture)
{
// Check if we have a texture ready for this material definition
if (!PackageMapper.GetTexture2DFromToken(parameterData.textureToken))
{
// TODO: messages slow down the recieve mechanism and spam the log
//Debug.LogWarningFormat("Texture '{0}' for '{1}' material has not yet been created!",
// parameterData.textureToken,
// materialDefinitionData.entityToken);
return(false);
}
}
}
return(true);
}
public static int[] MarshallTriangleIndices(int numIndices, System.IntPtr indices)
{
var managedIndices = new int[numIndices];
int index_offset = 0;
// This part could be optimized by not needing to change the winding order
for (var i = 0; i < numIndices; i++)
{
var index0 = MarshalData.GetIntFromUnmanagedArray(indices, index_offset);
index_offset += MarshalData.sizeOfInt;
managedIndices[i] = index0;
}
return(managedIndices);
}
private static void UpdateTextureData(Texture2D texture, TextureData textureData, ImgFormat imgFormat)
{
// Fill image colors per pixel
Color[] colorList = new Color[textureData.width * textureData.height];
int positionOffset = 0;
// Flip image pixels due to Unity SetPixels texture method flipping the image
// First color in the color list will be the last pixel in the image
// and the resulting image will be flipped and mirrored
for (int height = textureData.height - 1; height >= 0; height--)
{
for (int width = 0; width < textureData.width; width++)
{
int pixelIndex = height * textureData.width + width;
// Convert STP image format to Unity texture format
switch (imgFormat)
{
case ImgFormat.RawRGBA:
colorList[pixelIndex].r = MarshalData.GetByteFromUnmanagedArray(textureData.imgData, positionOffset) / 255.0f;
positionOffset += MarshalData.sizeOfByte;
colorList[pixelIndex].g = MarshalData.GetByteFromUnmanagedArray(textureData.imgData, positionOffset) / 255.0f;
positionOffset += MarshalData.sizeOfByte;
colorList[pixelIndex].b = MarshalData.GetByteFromUnmanagedArray(textureData.imgData, positionOffset) / 255.0f;
positionOffset += MarshalData.sizeOfByte;
colorList[pixelIndex].a = MarshalData.GetByteFromUnmanagedArray(textureData.imgData, positionOffset) / 255.0f;
positionOffset += MarshalData.sizeOfByte;
break;
case ImgFormat.RawRGB:
colorList[pixelIndex].r = MarshalData.GetByteFromUnmanagedArray(textureData.imgData, positionOffset) / 255.0f;
positionOffset += MarshalData.sizeOfByte;
colorList[pixelIndex].g = MarshalData.GetByteFromUnmanagedArray(textureData.imgData, positionOffset) / 255.0f;
positionOffset += MarshalData.sizeOfByte;
colorList[pixelIndex].b = MarshalData.GetByteFromUnmanagedArray(textureData.imgData, positionOffset) / 255.0f;
positionOffset += MarshalData.sizeOfByte;
break;
case ImgFormat.RawGray:
colorList[pixelIndex].r = MarshalData.GetByteFromUnmanagedArray(textureData.imgData, positionOffset) / 255.0f;
positionOffset += MarshalData.sizeOfByte;
break;
}
}
}
texture.SetPixels(colorList);
texture.Apply(true);
}
public static List <Vector2> MarshallUVData(int numUVs, System.IntPtr uvData)
{
var managedUVData = new List <Vector2>();
int index_offset = 0;
// This part could be optimized by not needing to change the winding order
for (var i = 0; i < numUVs; i += 2)
{
var u = MarshalData.GetFloatFromUnmanagedArray(uvData, index_offset);
index_offset += MarshalData.sizeOfInt;
var v = 1.0f - MarshalData.GetFloatFromUnmanagedArray(uvData, index_offset);
index_offset += MarshalData.sizeOfInt;
managedUVData.Add(new Vector2(u, v));
}
return(managedUVData);
}
public static bool UpdateMeshInstance(MeshInstanceData meshInstanceData)
{
Debug.LogFormat("Mesh Instance Update - Token:{0}, Parent:{1}, Mesh:{2}", meshInstanceData.entityToken, meshInstanceData.entityParentToken, meshInstanceData.originalMesh);
Object meshInstObj = PackageMapper.GetObjectFromToken(meshInstanceData.entityToken);
var meshInst = meshInstObj as GameObject;
var transform = MarshalData.GetXFormFromUnmanagedArray(meshInstanceData.xform);
// Update the transformation of the item, ignore hierarchy updates for now
// TODO: Work on hierarchy control systems
Transform parentTrs = meshInst.transform.parent;
GameObject parent = null;
if (parentTrs)
{
parent = parentTrs.gameObject;
}
SceneTransmissionProtocolUtilities.UpdateObjectHierarchy(meshInst, parent, transform);
// Update mesh filter
Mesh mesh = PackageMapper.GetMeshFromToken(meshInstanceData.originalMesh);
var meshFilter = meshInst.GetComponent <MeshFilter>();
if (meshFilter)
{
meshFilter.sharedMesh = mesh;
}
// Update mesh renderer
GameObject meshPrefab = PackageMapper.GetObjectFromToken(meshInstanceData.originalMesh) as GameObject;
var meshRenderer = meshPrefab.GetComponent <MeshRenderer>();
var meshInstRenderer = meshInst.GetComponent <MeshRenderer>();
if (meshRenderer && meshInstRenderer)
{
meshInstRenderer.sharedMaterials = meshRenderer.sharedMaterials;
}
return(true);
}
public static Vector3[] MarshallNormals(int num_normals, System.IntPtr normals)
{
var managed_normals = new Vector3[num_normals];
int normalOffset = 0;
// translate unmanaged normal data into managed Vector3s
for (var i = 0; i < num_normals; ++i)
{
var x = MarshalData.GetFloatFromUnmanagedArray(normals, normalOffset);
normalOffset += MarshalData.sizeOfInt;
var y = MarshalData.GetFloatFromUnmanagedArray(normals, normalOffset);
normalOffset += MarshalData.sizeOfInt;
var z = MarshalData.GetFloatFromUnmanagedArray(normals, normalOffset);
normalOffset += MarshalData.sizeOfInt;
managed_normals[i] = new Vector3(x, z, -y);
}
return(managed_normals);
}
/// <summary>
///
/// Marshal data methods
///
/// </summary>
public static Vector3[] MarshallPositions(int numPositions, System.IntPtr positions)
{
var managed_positions = new Vector3[numPositions];
int positionOffset = 0;
// translate unmanaged position data into managed Vector3s
for (var i = 0; i < numPositions; ++i)
{
var x = MarshalData.GetFloatFromUnmanagedArray(positions, positionOffset);
positionOffset += MarshalData.sizeOfInt;
var y = MarshalData.GetFloatFromUnmanagedArray(positions, positionOffset);
positionOffset += MarshalData.sizeOfInt;
var z = MarshalData.GetFloatFromUnmanagedArray(positions, positionOffset);
positionOffset += MarshalData.sizeOfInt;
managed_positions[i] = new Vector3(x, z, -y);
managed_positions[i].Scale(MarshalData.scaleFromSTPtoUnity);
}
return(managed_positions);
}
/// <summary>
/// Manage mesh memory
/// Converts the marshaled unmanaged mesh memory to managed
/// </summary>
public static ManagedMeshData ManageMeshMemory(MeshData meshData)
{
ManagedMeshData managedMeshData = new ManagedMeshData();
managedMeshData.positions = MarshallPositions((int)meshData.positionsNum, meshData.positions);
managedMeshData.normals = ((int)meshData.normalsNum > 0) ? MarshallNormals((int)meshData.normalsNum, meshData.normals) : null;
managedMeshData.materials = new StringCollection();
managedMeshData.indices = new List <int[]>();
var facesetdataSize = System.Runtime.InteropServices.Marshal.SizeOf(typeof(FacesetData));
var currentReadPtr = meshData.facesets;
for (var i = 0; i < (int)meshData.facesetsNum; ++i)
{
FacesetData fs = (FacesetData)System.Runtime.InteropServices.Marshal.PtrToStructure(currentReadPtr, typeof(FacesetData));
managedMeshData.materials.Add(fs.materialName);
managedMeshData.indices.Add(MarshallTriangleIndices((int)fs.indicesNum, fs.indices));
currentReadPtr = MarshalData.AddToIntPtr(currentReadPtr, facesetdataSize);
}
managedMeshData.facesetNum = (int)meshData.facesetsNum;
managedMeshData.uvs = new List <List <Vector2> >();
currentReadPtr = meshData.uvSets;
var uvSetDataSize = System.Runtime.InteropServices.Marshal.SizeOf(typeof(UVData));
for (var i = 0; i < (int)meshData.uvSetNum; ++i)
{
UVData uvData = (UVData)System.Runtime.InteropServices.Marshal.PtrToStructure(currentReadPtr, typeof(UVData));
// Note: Not currently using triangle indices
//managedMeshData.indices.Add(MarshallTriangleIndices((int)uvData.indicesNum, uvData.indices));
managedMeshData.uvs.Add(MarshallUVData((int)uvData.uvsNum, uvData.uvs));
currentReadPtr = MarshalData.AddToIntPtr(currentReadPtr, uvSetDataSize);
}
managedMeshData.uvNum = (int)meshData.uvSetNum;
return(managedMeshData);
}
public static bool UpdateCamera(CameraData cameraData)
{
CameraProjectionType camType = (CameraProjectionType)cameraData.type;
Debug.LogFormat("Camera Update - Token:{0}, Name:{1}, Projection Type:{2}, VerticalFov:{3}, AspectRatio:{4}, HorizontalMag:{5}, NearClip:{6}, FarClip:{7}", cameraData.entityToken, cameraData.displayName, camType, cameraData.verticalFov, cameraData.aspectRatio, cameraData.horizontalMag, cameraData.nearClip, cameraData.farClip);
// Get transformation data
var transform = MarshalData.GetXFormFromUnmanagedArray(cameraData.xform);
// Get camera game object
GameObject cameraInst = PackageMapper.GetObjectFromToken(cameraData.entityToken) as GameObject;
if (cameraInst)
{
// Set transformation
SceneTransmissionProtocolUtilities.UpdateObjectHierarchy(cameraInst, null, transform);
// Get camera component
Camera camera = cameraInst.GetComponent <Camera>();
if (camera)
{
SetCameraData(camera, cameraData);
}
else
{
Debug.LogErrorFormat("Camera Update error! Camera component not found! Token:{0}");
return(false);
}
}
else
{
Debug.LogErrorFormat("Camera Update error! Camera game object not found! Token:{0}");
return(false);
}
return(true);
}
public static Object CreateMaterial(MaterialDefinitionData materialDefinitionData)
{
ShaderModel shaderModel = (ShaderModel)materialDefinitionData.shaderModel;
BlendMode blendMode = (BlendMode)materialDefinitionData.blendMode;
Debug.LogFormat("Material Definition - Token:{0} Display Name:{1}, {2} shader model {3} blend mode {4} parameter count", materialDefinitionData.entityToken, materialDefinitionData.displayName, shaderModel, blendMode, materialDefinitionData.parameterCount);
// Create a new Unity material with "Standard" Unity shader
// Shader string names are assumed to use the Unity Standard shader code
Material newMaterial = new Material(Shader.Find("Standard"));
// Set blend mode options
switch (blendMode)
{
case BlendMode.ModeUnknown:
case BlendMode.Opaque:
// Default blend mode, skip modification
break;
case BlendMode.Translucent:
// Code taken from https://answers.unity.com/questions/1004666/change-material-rendering-mode-in-runtime.html
// Changes what options are available in Unity shader GUI
newMaterial.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One);
newMaterial.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
newMaterial.SetInt("_ZWrite", 0);
newMaterial.DisableKeyword("_ALPHATEST_ON");
newMaterial.DisableKeyword("_ALPHABLEND_ON");
newMaterial.EnableKeyword("_ALPHAPREMULTIPLY_ON");
newMaterial.renderQueue = 3000;
break;
}
var currentReadPtr = materialDefinitionData.parameters;
var parameterDataSize = System.Runtime.InteropServices.Marshal.SizeOf(typeof(MaterialDefinitionParameterData));
for (var i = 0; i < materialDefinitionData.parameterCount; ++i)
{
// Marshal parameter data
MaterialDefinitionParameterData parameterData = (MaterialDefinitionParameterData)System.Runtime.InteropServices.Marshal.PtrToStructure(currentReadPtr, typeof(MaterialDefinitionParameterData));
currentReadPtr = MarshalData.AddToIntPtr(currentReadPtr, parameterDataSize);
// Get the parameter type
ParamType type = (ParamType)parameterData.type;
Debug.LogFormat("Material Parameter - Name:{0} Type:{1} Target:{2}, {3} texture token", parameterData.name, type, parameterData.target, parameterData.textureToken);
// Get the right shader input and connect parameter data
string shaderStringTarget;
Vector4 vect;
int offset = 0;
switch (type)
{
case ParamType.Float:
shaderStringTarget = FindScalarInput(parameterData.target);
if (System.String.IsNullOrEmpty(shaderStringTarget))
{
break;
}
newMaterial.SetFloat(shaderStringTarget, MarshalData.GetFloatFromUnmanagedArray(parameterData.floatData, offset));
break;
case ParamType.Float2:
shaderStringTarget = FindVectorInput(parameterData.target);
if (System.String.IsNullOrEmpty(shaderStringTarget))
{
break;
}
vect.x = MarshalData.GetFloatFromUnmanagedArray(parameterData.floatData, offset);
offset += MarshalData.sizeOfInt;
vect.y = MarshalData.GetFloatFromUnmanagedArray(parameterData.floatData, offset);
vect.z = 0.0f;
vect.w = 0.0f;
newMaterial.SetVector(shaderStringTarget, vect);
break;
case ParamType.Float3:
shaderStringTarget = FindVectorInput(parameterData.target);
if (System.String.IsNullOrEmpty(shaderStringTarget))
{
break;
}
vect.x = MarshalData.GetFloatFromUnmanagedArray(parameterData.floatData, offset);
offset += MarshalData.sizeOfInt;
vect.y = MarshalData.GetFloatFromUnmanagedArray(parameterData.floatData, offset);
offset += MarshalData.sizeOfInt;
vect.z = MarshalData.GetFloatFromUnmanagedArray(parameterData.floatData, offset);
vect.w = 0.0f;
newMaterial.SetVector(shaderStringTarget, vect);
break;
case ParamType.Float4:
case ParamType.RGBA8:
shaderStringTarget = FindVectorInput(parameterData.target);
if (System.String.IsNullOrEmpty(shaderStringTarget))
{
break;
}
vect.x = MarshalData.GetFloatFromUnmanagedArray(parameterData.floatData, offset);
offset += MarshalData.sizeOfInt;
vect.y = MarshalData.GetFloatFromUnmanagedArray(parameterData.floatData, offset);
offset += MarshalData.sizeOfInt;
vect.z = MarshalData.GetFloatFromUnmanagedArray(parameterData.floatData, offset);
offset += MarshalData.sizeOfInt;
vect.w = MarshalData.GetFloatFromUnmanagedArray(parameterData.floatData, offset);
newMaterial.SetVector(shaderStringTarget, vect);
break;
case ParamType.Texture:
shaderStringTarget = FindTextureInput(parameterData.target);
if (System.String.IsNullOrEmpty(shaderStringTarget))
{
break;
}
Texture texture = PackageMapper.GetTexture2DFromToken(parameterData.textureToken);
newMaterial.SetTexture(shaderStringTarget, texture);
// TODO: Emission keyword doesn't work in Unity 2018.2.15f1 as it doesn't enable
// emission checkbox for some reason
// Special case for emission textures, enable the emission map on the shader
if (shaderStringTarget == ShaderEmissionTexture)
{
newMaterial.EnableKeyword("_EMISSION");
}
break;
}
}
// Create material default STP folders if they don't exist
PackageMapper.CreateAssetFolders(MaterialDefinitionHandler.assetPath);
// Generate a unique material name
string materialPath = Application.dataPath + "/" + MaterialDefinitionHandler.assetPath;
string uniqueMaterialName;
GenUniqueMaterialAssetName(materialPath, materialDefinitionData.displayName, out uniqueMaterialName);
// Set the unique material name as the display name
newMaterial.name = uniqueMaterialName;
// Create a GameObject prefab object and use it as a database item of STP used materials
GameObject materialPrefab = new GameObject(uniqueMaterialName);
// Add Foundry unique token storage component, store unique material token
var tokenStorage = materialPrefab.AddComponent <FoundryUniqueToken>();
tokenStorage.uniqueToken = materialDefinitionData.entityToken;
// Create the prefab asset
var localPrefabPath = System.String.Format("{0}/{1}/{2}", PackageMapper.rootPath, MaterialDefinitionHandler.assetPath, uniqueMaterialName);
string prefabPath;
PackageMapper.GenUniquePrefabAssetPath(localPrefabPath, out prefabPath);
#if UNITY_2018_3_OR_NEWER
Object prefabAsset = PrefabUtility.SaveAsPrefabAsset(materialPrefab, prefabPath);
#else
Object prefabAsset = PrefabUtility.CreatePrefab(prefabPath, materialPrefab);
#endif
// Map the prefab to the material
PackageMapper.MapMaterialToPrefab(newMaterial, prefabAsset);
AssetDatabase.AddObjectToAsset(newMaterial, prefabAsset);
AssetDatabase.SaveAssets();
// Remove game object that's used for creating a prefab from scene hierarchy
Object.DestroyImmediate(materialPrefab);
return(prefabAsset);
}
