public override SceneComponent GetObjectData()
{
var sceneData = new SceneTerrain();
sceneData.type = "Terrain";
sceneData.heightmapHeight = heightmapHeight;
sceneData.heightmapWidth = heightmapWidth;
sceneData.size = size;
sceneData.alphamapWidth = alphamapWidth;
sceneData.alphamapHeight = alphamapHeight;
sceneData.alphamapLayers = alphamapLayers;
sceneData.heightmapTexture = new SceneTexture();
sceneData.heightmapTexture.base64PNG = base64Height;
sceneData.heightmapTexture.base64PNGLength = base64HeightLength;
sceneData.alphamapTexture = new SceneTexture();
sceneData.alphamapTexture.base64PNG = base64Alpha;
sceneData.alphamapTexture.base64PNGLength = base64AlphaLength;
if (textures.Count > 0)
{
sceneData.textureIDs = new int[textures.Count];
for (int i = 0; i < textures.Count; i++)
{
sceneData.textureIDs[i] = textures[i].uniqueID;
}
sceneData.textureTilingOffsets = new Vector4[textures.Count];
for (int i = 0; i < textures.Count; i++)
{
Vector2 sc = textureSizes[i], of = textureOffsets[i];
sceneData.textureTilingOffsets[i] = new Vector4(sc.x, sc.y, of.x, of.y);
}
}
if (terrain != null)
{
sceneData.lightmapIndex = terrain.lightmapIndex;
sceneData.lightmapTilingOffset = terrain.lightmapScaleOffset;
}
return(sceneData);
}
public static string ExportTerrain(ref SceneData sceneData, ref SceneTerrain st, string spaces)
{
string osgData = spaces + "Size " + st.size.x + " " + st.size.y + " " + st.size.z + "\n";
// Handle heightmap data
osgData += spaces + "HeightMap " + st.heightmapWidth + " " + st.heightmapHeight + " {\n";
byte[] heightData = System.Convert.FromBase64String(st.heightmapTexture.base64PNG);
System.Text.StringBuilder sb = new System.Text.StringBuilder();
for (int y = 0; y < st.heightmapHeight; y++)
{
sb.Append(spaces + " ");
for (int x = 0; x < st.heightmapWidth; x++)
{
int index = (y * st.heightmapWidth) + x;
sb.Append(System.BitConverter.ToSingle(heightData, index * 4) + " ");
}
sb.Append("\n");
}
osgData += sb.ToString() + spaces + "}\n";
// Handle alphamap layers
osgData += spaces + "AlphaMap " + st.alphamapWidth + " " + st.alphamapHeight
+ " " + st.alphamapLayers + " {\n";
byte[] alphaData = System.Convert.FromBase64String(st.alphamapTexture.base64PNG);
System.Text.StringBuilder sb2 = new System.Text.StringBuilder();
for (int i = 0; i < st.alphamapLayers; i++)
{
sb2.Append(spaces + " Layer " + i + " {\n");
for (int y = 0; y < st.alphamapHeight; y++)
{
sb2.Append(spaces + " ");
for (int x = 0; x < st.alphamapWidth; x++)
{
int index = i * (st.alphamapHeight * st.alphamapWidth) + (y * st.alphamapWidth) + x;
sb2.Append(System.BitConverter.ToSingle(alphaData, index * 4) + " ");
}
sb2.Append("\n");
}
sb2.Append(spaces + " }\n");
}
osgData += sb2.ToString() + spaces + "}\n";
// Handle all splat textures
for (int i = 0; i < st.textureIDs.Length; i++)
{
int texID = st.textureIDs[i];
SceneTexture texture = sceneData.resources.GetTexture(texID, false);
if (texture == null)
{
continue;
}
Vector4 off = st.textureTilingOffsets[i];
osgData += spaces + "Splat" + i + " \"" + texture.name + "\""
+ " \"" + texture.path + "\"\n";
osgData += spaces + "SplatTilingOffset" + i + " "
+ off.x + " " + off.y + " " + off.z + " " + off.w + "\n";
}
// Handle lightmaps
if (st.lightmapIndex >= 0)
{
SceneTexture texture = sceneData.resources.lightmaps[st.lightmapIndex];
if (texture != null)
{
osgData += spaces + "Lightmap \"" + texture.name + "\""
+ " \"" + texture.path + "\"\n";
osgData += spaces + "LightmapTilingOffset " + st.lightmapTilingOffset.x + " "
+ st.lightmapTilingOffset.y + " " + st.lightmapTilingOffset.z + " "
+ st.lightmapTilingOffset.w + "\n";
}
}
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);
}
