private void CreateFromPrefab(GameObject go, Material replaceMaterial)
{
var lodGroup = go.GetComponent <LODGroup>();
if (lodGroup != null)
{
var lods = lodGroup.GetLODs();
_lodRatios = new float[lods.Length];
_lodRenderers = new LodRenderer[lods.Length];
for (int i = 0; i < lods.Length; ++i)
{
var lod = lods[i];
_lodRatios[i] = lod.screenRelativeTransitionHeight;
_lodRenderers[i] = new LodRenderer
{
Renderers = new LodActualRenderer[lod.renderers.Length]
};
var singleLod = _lodRenderers[i];
for (int j = 0; j < lod.renderers.Length; ++j)
{
var meshFilter = lod.renderers[j].GetComponent <MeshFilter>();
// plain meshfiler&meshrenderer
if (meshFilter != null)
{
if (replaceMaterial == null)
{
singleLod.Renderers[j] = BuildRenderer(meshFilter.sharedMesh,
lod.renderers[j].GetComponent <MeshRenderer>().sharedMaterials);
}
else
{
singleLod.Renderers[j] = BuildRenderer(meshFilter.sharedMesh,
GetDefaultInstanceMaterial(meshFilter.sharedMesh.subMeshCount, null,
replaceMaterial));
}
}
else
{
// Billboard Renderer&Billboard Asset
}
}
}
SetBoundingVolume(lods[0]);
_lodSize = lodGroup.size;
}
else
{
var nonLodMesh = go.GetComponent <MeshFilter>().sharedMesh;
var nonLodMaterials = GetDefaultInstanceMaterial(nonLodMesh.subMeshCount,
go.GetComponent <MeshRenderer>().sharedMaterials, replaceMaterial);
CreateNonLodRenderer(nonLodMesh, nonLodMaterials);
}
}
private void CreateNonLodRenderer(Mesh nonLodMesh, Material[] nonLodMaterials)
{
var renderer = BuildRenderer(nonLodMesh, nonLodMaterials);
_lodRenderers = new LodRenderer[1];
_lodRenderers[0] = new LodRenderer
{
Renderers = new [] { renderer }
};
var bounds = renderer.Mesh.bounds;
_sphereCenter = bounds.center;
_sphereRadius = bounds.extents.magnitude;
var size = bounds.size;
_lodSize = Mathf.Max(size.x, Mathf.Max(size.y, size.z));
}
public InstancingRenderer(DetailPrototype prototype)
{
Mesh nonLodMesh = null;
Material[] nonLodMaterials = null;
if (prototype.usePrototypeMesh)
{
var go = prototype.prototype;
var lodGroup = go.GetComponent <LODGroup>();
if (lodGroup != null)
{
var lods = lodGroup.GetLODs();
_lodRatios = new float[lods.Length];
_lodRenderers = new LodRenderer[lods.Length];
for (int i = 0; i < lods.Length; ++i)
{
var lod = lods[i];
_lodRatios[i] = lod.screenRelativeTransitionHeight;
_lodRenderers[i] = new LodRenderer
{
Renderers = new LodActualRenderer[lod.renderers.Length]
};
for (int j = 0; j < lod.renderers.Length; ++j)
{
var meshFilter = lod.renderers[j].GetComponent <MeshFilter>();
_lodRenderers[i].Renderers[j] = BuildRenderer(meshFilter.sharedMesh,
GetDefaultInstanceMaterial(meshFilter.sharedMesh, null));
}
}
SetBoundingVolume(lods[0]);
_lodSize = lodGroup.size;
}
else
{
nonLodMesh = go.GetComponent <MeshFilter>().sharedMesh;
nonLodMaterials = GetDefaultInstanceMaterial(nonLodMesh, go.GetComponent <MeshRenderer>().sharedMaterials);
}
}
else
{
nonLodMesh = Constants.Rendering.QuadMesh;
nonLodMaterials = new [] { Constants.Rendering.GetGrassMaterial() };
foreach (var nonLodMaterial in nonLodMaterials)
{
nonLodMaterial.mainTexture = prototype.prototypeTexture;
}
}
if (_lodRenderers == null)
{
var renderer = BuildRenderer(nonLodMesh, nonLodMaterials);
_lodRenderers = new LodRenderer[1];
_lodRenderers[0] = new LodRenderer
{
Renderers = new [] { renderer }
};
var bounds = renderer.Mesh.bounds;
_sphereCenter = bounds.center;
_sphereRadius = bounds.extents.magnitude;
var size = bounds.size;
_lodSize = Mathf.Max(size.x, Mathf.Max(size.y, size.z));
}
}