/// <summary>
/// Executes the baking.
/// </summary>
public void Bake(string trunkMeshPath, string foliageMeshPath)
{
//Get the root transform for the baked mesh.
//If one tree is selected, use it.
//Otherwise, just use the average position of all the selected trees.
Matrix4x4 rootM;
Vector3 avgPos = Vector3.zero;
if (selectedBranches.Length > 1)
{
avgPos = selectedBranches[0].transform.position;
for (int i = 1; i < selectedBranches.Length; ++i)
avgPos += selectedBranches[i].transform.position;
avgPos /= (float)selectedBranches.Length;
rootM = Matrix4x4.TRS(-avgPos, Quaternion.identity, Vector3.one);
}
else
{
rootM = selectedBranches[0].transform.worldToLocalMatrix;
}
IEnumerable<TreeCurve> curves = selectedBranches.SelectMany(go => go.GetComponentsInChildren<TreeCurve>());
//Create one big mesh for all the branches.
Mesh msh = CreateMesh(curves.Select(tc => tc.GetComponent<MeshFilter>()), rootM);
ExportOBJ(msh, trunkMeshPath, "Trunk");
msh.Clear();
//Create one big mesh for all the foliage.
CurveFoliage[] cFs = curves.GetComponentsInChildren<TreeCurve, CurveFoliage>().RemoveDuplicates().ToArray();
if (cFs.Length > 0)
{
if (cFs.Any(cf => cf.Mode == CurveFoliage.MeshModes.Point))
{
Debug.LogError("Can't currently output point foliage meshes to OBJ");
cFs = new CurveFoliage[0];
}
else
{
msh = CreateMesh(cFs.Select(cf => cf.GetComponent<MeshFilter>()), rootM);
ExportOBJ(msh, foliageMeshPath, "Foliage");
msh.Clear();
}
}
//Replace the current tree object with one that just has the baked assets.
//Put the original objects inside the new one and deactivate it.
Transform bakedObj = new GameObject("Baked Trees").transform;
if (selectedBranches.Length > 1)
{
bakedObj.position = avgPos;
bakedObj.rotation = Quaternion.identity;
bakedObj.localScale = Vector3.one;
}
else
{
Transform oldObj = selectedBranches[0].transform;
bakedObj.position = oldObj.position;
bakedObj.rotation = oldObj.rotation;
bakedObj.localScale = oldObj.localScale;
}
AssetDatabase.Refresh();
Transform trunkChild = new GameObject("Trunk").transform;
trunkChild.SetParent(bakedObj, false);
MeshFilter mf = trunkChild.gameObject.AddComponent<MeshFilter>();
mf.sharedMesh = AssetDatabase.LoadAssetAtPath<Mesh>(PathUtils.GetRelativePath(trunkMeshPath,
"Assets"));
MeshRenderer mr = trunkChild.gameObject.AddComponent<MeshRenderer>();
mr.sharedMaterial = branchMat;
if (cFs.Length > 0)
{
Transform foliageChild = new GameObject("Foliage").transform;
foliageChild.SetParent(bakedObj, false);
mf = foliageChild.gameObject.AddComponent<MeshFilter>();
mf.sharedMesh = AssetDatabase.LoadAssetAtPath<Mesh>(PathUtils.GetRelativePath(foliageMeshPath,
"Assets"));
mr = foliageChild.gameObject.AddComponent<MeshRenderer>();
mr.sharedMaterial = foliageMat;
}
}
/// <summary>
/// Executes the baking.
/// </summary>
public void Bake(string trunkMeshPath, string foliageMeshPath)
{
//Get the root transform for the baked mesh.
//If one tree is selected, use it.
//Otherwise, just use the average position of all the selected trees.
Matrix4x4 rootM;
Vector3 avgPos = Vector3.zero;
if (selectedBranches.Length > 1)
{
avgPos = selectedBranches[0].transform.position;
for (int i = 1; i < selectedBranches.Length; ++i)
{
avgPos += selectedBranches[i].transform.position;
}
avgPos /= (float)selectedBranches.Length;
rootM = Matrix4x4.TRS(-avgPos, Quaternion.identity, Vector3.one);
}
else
{
rootM = selectedBranches[0].transform.worldToLocalMatrix;
}
IEnumerable <TreeCurve> curves = selectedBranches.SelectMany(go => go.GetComponentsInChildren <TreeCurve>());
//Create one big mesh for all the branches.
Mesh msh = CreateMesh(curves.Select(tc => tc.GetComponent <MeshFilter>()), rootM);
ExportOBJ(msh, trunkMeshPath, "Trunk");
msh.Clear();
//Create one big mesh for all the foliage.
CurveFoliage[] cFs = curves.GetComponentsInChildren <TreeCurve, CurveFoliage>().RemoveDuplicates().ToArray();
if (cFs.Length > 0)
{
if (cFs.Any(cf => cf.Mode == CurveFoliage.MeshModes.Point))
{
Debug.LogError("Can't currently output point foliage meshes to OBJ");
cFs = new CurveFoliage[0];
}
else
{
msh = CreateMesh(cFs.Select(cf => cf.GetComponent <MeshFilter>()), rootM);
ExportOBJ(msh, foliageMeshPath, "Foliage");
msh.Clear();
}
}
//Replace the current tree object with one that just has the baked assets.
//Put the original objects inside the new one and deactivate it.
Transform bakedObj = new GameObject("Baked Trees").transform;
if (selectedBranches.Length > 1)
{
bakedObj.position = avgPos;
bakedObj.rotation = Quaternion.identity;
bakedObj.localScale = Vector3.one;
}
else
{
Transform oldObj = selectedBranches[0].transform;
bakedObj.position = oldObj.position;
bakedObj.rotation = oldObj.rotation;
bakedObj.localScale = oldObj.localScale;
}
AssetDatabase.Refresh();
Transform trunkChild = new GameObject("Trunk").transform;
trunkChild.SetParent(bakedObj, false);
MeshFilter mf = trunkChild.gameObject.AddComponent <MeshFilter>();
mf.sharedMesh = AssetDatabase.LoadAssetAtPath <Mesh>(PathUtils.GetRelativePath(trunkMeshPath,
"Assets"));
MeshRenderer mr = trunkChild.gameObject.AddComponent <MeshRenderer>();
mr.sharedMaterial = branchMat;
if (cFs.Length > 0)
{
Transform foliageChild = new GameObject("Foliage").transform;
foliageChild.SetParent(bakedObj, false);
mf = foliageChild.gameObject.AddComponent <MeshFilter>();
mf.sharedMesh = AssetDatabase.LoadAssetAtPath <Mesh>(PathUtils.GetRelativePath(foliageMeshPath,
"Assets"));
mr = foliageChild.gameObject.AddComponent <MeshRenderer>();
mr.sharedMaterial = foliageMat;
}
}
