public new SceneMesh GetObjectData()
{
var sceneData = new SceneMesh();
sceneData.name = name;
// submeshes
sceneData.subMeshCount = unityMesh.subMeshCount;
sceneData.triangles = new int[unityMesh.subMeshCount][];
for (int i = 0; i < unityMesh.subMeshCount; i++)
{
sceneData.triangles[i] = unityMesh.GetTriangles(i);
}
// Vertices
sceneData.vertexCount = unityMesh.vertexCount;
sceneData.vertexPositions = unityMesh.vertices;
sceneData.vertexUV = unityMesh.uv;
sceneData.vertexUV2 = unityMesh.uv2;
sceneData.vertexColors = unityMesh.colors;
sceneData.vertexNormals = unityMesh.normals;
sceneData.vertexTangents = unityMesh.tangents;
sceneData.bindPoses = unityMesh.bindposes;
sceneData.boneWeights = new SceneBoneWeight[unityMesh.boneWeights.Length];
sceneData.rootBone = rootBone;
for (int i = 0; i < unityMesh.boneWeights.Length; i++)
{
var bw = unityMesh.boneWeights[i];
var jbw = new SceneBoneWeight();
jbw.indexes[0] = bw.boneIndex0;
jbw.indexes[1] = bw.boneIndex1;
jbw.indexes[2] = bw.boneIndex2;
jbw.indexes[3] = bw.boneIndex3;
jbw.weights[0] = bw.weight0;
jbw.weights[1] = bw.weight1;
jbw.weights[2] = bw.weight2;
jbw.weights[3] = bw.weight3;
sceneData.boneWeights[i] = jbw;
}
if (bones != null)
{
SceneTransform[] jbones = new SceneTransform[bones.Length];
for (int i = 0; i < bones.Length; i++)
{
SceneTransform jt = new SceneTransform();
jt.localPosition = bones[i].localPosition;
jt.localRotation = bones[i].localRotation;
jt.localScale = bones[i].localScale;
jt.name = bones[i].gameObject.name;
jt.parentName = (bones[i].parent == null) ? "" : bones[i].parent.gameObject.name;
jt.type = "Bone";
jbones[i] = jt;
}
sceneData.bones = jbones;
}
return(sceneData);
}
public static string ExportGeometry(ref SceneData sceneData, ref SceneMeshRenderer smr,
ref SceneMesh mesh, string spaces)
{
string osgData = spaces + "useDisplayList TRUE\n"
+ spaces + "useVertexBufferObjects FALSE\n";
if (smr != null)
{
osgData += MaterialExporter.ExportStateSet(ref sceneData, ref smr, spaces);
}
osgData += ExportGeometryData(ref sceneData, ref mesh, spaces);
return(osgData);
}
private static string ExportGeometryData(ref SceneData sceneData, ref SceneMesh mesh, string spaces)
{
// Add all primitive sets
string osgData = spaces + "PrimitiveSets " + mesh.subMeshCount + " {\n";
for (int i = 0; i < mesh.subMeshCount; ++i)
{
int numElements = mesh.triangles[i].Length;
osgData += spaces + " DrawElements" + (numElements < 65535 ? "UShort" : "UInt")
+ " TRIANGLES " + numElements + " {\n";
for (int j = 0; j < numElements; j += 3)
{
osgData += spaces + " " + mesh.triangles[i][j] + " "
+ mesh.triangles[i][j + 1] + " " + mesh.triangles[i][j + 2] + "\n";
}
osgData += spaces + " }\n";
}
osgData += spaces + "}\n";
// Add all vertices
osgData += spaces + "VertexArray Vec3Array " + mesh.vertexCount + " {\n";
for (int i = 0; i < mesh.vertexCount; ++i)
{
Vector3 v = mesh.vertexPositions[i];
osgData += spaces + " " + v.x + " " + v.y + " " + v.z + "\n";
}
osgData += spaces + "}\n";
// Add all normals
if (mesh.vertexNormals.Length > 0)
{
osgData += spaces + "NormalBinding PER_VERTEX\n"
+ spaces + "NormalArray Vec3Array " + mesh.vertexCount + " {\n";
for (int i = 0; i < mesh.vertexCount; ++i)
{
Vector3 v = mesh.vertexNormals[i];
osgData += spaces + " " + v.x + " " + v.y + " " + v.z + "\n";
}
osgData += spaces + "}\n";
}
// Add all UVs
if (mesh.vertexUV.Length > 0)
{
osgData += spaces + "TexCoordArray 0 Vec2Array " + mesh.vertexCount + " {\n";
for (int i = 0; i < mesh.vertexCount; ++i)
{
Vector2 v = mesh.vertexUV[i];
osgData += spaces + " " + v.x + " " + v.y + "\n";
}
osgData += spaces + "}\n";
}
if (mesh.vertexUV2.Length > 0)
{
osgData += spaces + "TexCoordArray 1 Vec2Array " + mesh.vertexCount + " {\n";
for (int i = 0; i < mesh.vertexCount; ++i)
{
Vector2 v = mesh.vertexUV2[i];
osgData += spaces + " " + v.x + " " + v.y + "\n";
}
osgData += spaces + "}\n";
}
// TODO: tangents & bones
return(osgData);
}
private static string ExportHierarchy(ref SceneData sceneData, SceneGameObject gameObj,
int indent, float progressStart, float progressAll)
{
int needGlobalNodeType = -1;
if (gameObj.components.Count <= 0)
{
return("");
}
string osgData = "", osgSubData = "", spaces = "";
for (int i = 0; i < indent; ++i)
{
spaces += " ";
}
// Check the main component type as the node type
SceneComponent mainComponent = gameObj.components[0];
if (mainComponent.type == "Transform")
{
SceneTransform st = (SceneTransform)mainComponent;
osgData = spaces + "MatrixTransform {\n"
+ spaces + " referenceFrame RELATIVE\n"
+ spaces + " Matrix {\n";
needGlobalNodeType = 0;
// FIXME: hould convert left-handed to right-handed coordinates
Matrix4x4 m = Matrix4x4.TRS(st.localPosition, st.localRotation, st.localScale);
osgData += spaces + " " + m[0, 0] + " " + m[1, 0] + " " + m[2, 0] + " " + m[3, 0] + "\n"
+ spaces + " " + m[0, 1] + " " + m[1, 1] + " " + m[2, 1] + " " + m[3, 1] + "\n"
+ spaces + " " + m[0, 2] + " " + m[1, 2] + " " + m[2, 2] + " " + m[3, 2] + "\n"
+ spaces + " " + m[0, 3] + " " + m[1, 3] + " " + m[2, 3] + " " + m[3, 3] + "\n"
+ spaces + " }\n";
}
else
{
Debug.LogWarning("[UnityToSceneBundle] Unknown main component type: " + mainComponent.type);
}
if (needGlobalNodeType < 0)
{
osgData = spaces + "Node {\n";
}
osgData += ExportCommonAttr(gameObj.name, spaces, true)
+ spaces + " num_children ";
// Traverse all components to add them to main component type
string subSpaces = spaces + " ";
int numChildren = gameObj.children.Count;
for (int i = 1; i < gameObj.components.Count; ++i)
{
SceneComponent component = gameObj.components[i];
if (component.type == "Light")
{
SceneLight sl = (SceneLight)component;
osgSubData += spaces + " nwTools::LightData {\n"
+ subSpaces + "Type " + sl.lightType + "\n"
+ subSpaces + "Color " + sl.color.r + " " + sl.color.g + " " + sl.color.b + "\n"
+ subSpaces + "Range " + sl.range + "\n"
+ subSpaces + "Realtime " + (sl.realtime ? 1 : 0) + " " + (sl.castsShadows ? 1 : 0) + "\n"
+ spaces + " }\n";
numChildren++;
}
else if (component.type == "Camera")
{
SceneCamera sc = (SceneCamera)component;
osgSubData += spaces + " nwTools::CameraData {\n"
// TODO
+ spaces + " }\n";
numChildren++;
}
else if (component.type == "BoxCollider")
{
//SceneBoxCollider sbc = (SceneBoxCollider)component;
// TODO
}
else if (component.type == "MeshCollider")
{
//SceneMeshCollider smc = (SceneMeshCollider)component;
// TODO
}
else if (component.type == "ParticleSystem")
{
SceneParticleSystem sps = (SceneParticleSystem)component;
osgSubData += spaces + " nwTools::ParticleSystem {\n"
+ ExportCommonAttr(sps.type, spaces + " ", false)
+ ParticleExporter.ExportParticle(ref sceneData, ref sps, subSpaces)
+ spaces + " }\n";
numChildren++;
}
else if (component.type == "Terrain")
{
SceneTerrain st = (SceneTerrain)component;
osgSubData += spaces + " Geode {\n"
+ ExportCommonAttr(st.type, spaces + " ", true)
+ subSpaces + "num_drawables 1\n";
osgSubData += subSpaces + "nwTools::Terrain {\n"
+ TerrainExporter.ExportTerrain(ref sceneData, ref st, subSpaces + " ")
+ subSpaces + "}\n";
osgSubData += spaces + " }\n";
numChildren++;
}
else if (component.type == "MeshRenderer")
{
SceneMeshRenderer smr = (SceneMeshRenderer)component;
osgSubData += spaces + " Geode {\n"
+ ExportCommonAttr(smr.type, spaces + " ", true)
+ subSpaces + "num_drawables 1\n";
SceneMesh mesh = sceneData.resources.GetMesh(smr.mesh);
osgSubData += subSpaces + "Geometry {\n"
+ MeshExporter.ExportGeometry(ref sceneData, ref smr, ref mesh, subSpaces + " ")
+ subSpaces + "}\n";
osgSubData += spaces + " }\n";
numChildren++;
}
else if (component.type == "SkinnedMeshRenderer")
{
SceneSkinnedMeshRenderer smr = (SceneSkinnedMeshRenderer)component;
osgSubData += spaces + " Geode {\n"
+ ExportCommonAttr(smr.type, spaces + " ", true)
+ subSpaces + "num_drawables 1\n";
SceneMesh mesh = sceneData.resources.GetMesh(smr.mesh);
osgSubData += subSpaces + "Geometry {\n"
+ MeshExporter.ExportSkinnedGeometry(ref sceneData, ref smr, ref mesh, subSpaces + " ")
+ subSpaces + "}\n";
osgSubData += spaces + " }\n";
numChildren++;
}
else
{
Debug.LogWarning("[UnityToSceneBundle] Unknown sub-component type: " + component.type);
}
}
osgData += numChildren + "\n" + osgSubData;
// Traverse all child objects
float numHierarchy = (float)gameObj.children.Count, numDone = 0.0f;
foreach (SceneGameObject childObj in gameObj.children)
{
osgData += ExportHierarchy(ref sceneData, childObj, indent + 2, 0.0f, 0.0f); numDone += 1.0f;
if (progressAll > 0.0f)
{
float progress = (progressStart + numDone / numHierarchy) / progressAll;
EditorUtility.DisplayProgressBar("Scene Bundler", "Exporting hierarchy...", progress);
}
}
osgData += spaces + "}\n";
return(osgData);
}