static int TotalPrefabMesh(GameObject prefab)
{
if (prefab == null)
{
return(0);
}
var renderers = EB.Util.FindAllComponents <MeshRenderer>(prefab);
int collapsedVerts = 0;
for (int i = 0; i < renderers.Length; ++i)
{
var renderer = renderers[i];
EditorUtility.DisplayProgressBar("Processing mesh", (int)i + " / " + renderers.Length + " - " + renderer.name, (float)i / (float)renderers.Length);
var filter = renderer.GetComponent <MeshFilter>();
if (filter == null || filter.sharedMesh == null)
{
continue;
}
var mesh = filter.sharedMesh;
var optimizedMesh = EBMeshUtils.Optimize(mesh);
collapsedVerts += mesh.vertexCount - optimizedMesh.vertexCount;
}
EditorUtility.ClearProgressBar();
return(collapsedVerts);
}
private int MergePartitions(Dictionary <EBWorldPainterData.Region, Partition> partitions, Dictionary <int, Texture2D> lightmaps, GameObject world)
{
char slash = System.IO.Path.DirectorySeparatorChar;
var dir = GetMergeGeometryPath();
System.IO.Directory.CreateDirectory(dir);
var merged = EB.Util.GetObjectExactMatch(world, "z_merged");
DestroyImmediate(merged, false);
merged = new GameObject("z_merged");
merged.transform.parent = world.transform;
merged.isStatic = false;
var saved = 0;
var i = 0;
foreach (var kv in partitions)
{
var region = kv.Key;
var partition = kv.Value;
EB.Debug.Log("Merging " + i);
ShowProgressBar(PROGRESS_BAR_STAGE.Merging, (float)i / (float)partitions.Count);
//Need to figure out lightmaps
//MergeLightmaps(partition, region, lightmaps);
var groupings = GroupPartition(partition, lightmaps);
GameObject parent = new GameObject("Partition_" + region.id);
parent.transform.parent = merged.transform;
bool firstMeshOfRegion = true;
foreach (Grouping grouping in groupings.Values)
{
var layername = LayerMask.LayerToName(grouping.layer);
var layer = EB.Util.GetObjectExactMatch(parent, layername);
if (!layer)
{
layer = new GameObject(layername);
layer.layer = grouping.layer;
layer.transform.parent = parent.transform;
}
var name = GenerateName(partition, grouping.material, grouping.layer);
var go = EB.Util.GetObjectExactMatch(merged, name);
if (go == null)
{
go = new GameObject(name, typeof(MeshFilter), typeof(MeshRenderer));
go.transform.parent = layer.transform;
go.layer = grouping.layer;
go.isStatic = false;
}
var mesh = new Mesh();
mesh.CombineMeshes(grouping.instances.ToArray(), true);
EBMeshUtils.Channels channels = GetChannelMap(grouping.material.shader);
var optimizedMesh = EBMeshUtils.Optimize(EBMeshUtils.StripStreams(mesh, channels));
AssetDatabase.CreateAsset(optimizedMesh, dir + slash + name + ".asset");
var mat = new Material(grouping.material);
var hiddenShader = Shader.Find(mat.shader.name.Replace("EBG/", "Hidden/"));
if (hiddenShader != null)
{
mat.shader = hiddenShader;
if (mat.HasProperty("_lm"))
{
mat.SetTexture("_lm", partition.lightmap);
}
}
AssetDatabase.CreateAsset(mat, dir + slash + name + ".mat");
go.GetComponent <MeshFilter>().sharedMesh = optimizedMesh;
var mr = go.GetComponent <MeshRenderer> ();
mr.sharedMaterial = mat;
mr.lightmapIndex = -1;
mr.lightmapScaleOffset = new Vector4(1, 1, 0, 0);
if (firstMeshOfRegion)
{
region.bounds = optimizedMesh.bounds;
firstMeshOfRegion = false;
}
else
{
region.bounds.Encapsulate(optimizedMesh.bounds);
}
saved += grouping.instances.Count - 1;
}
i++;
}
EB.Debug.Log("Merge end");
return(saved);
}