public void Bake(Terrain terrain, VegetationLayers layers)
{
var sizeFuzzyFudgeFactor = new Vector3(0.5f, 1.667f, 0.5f);
var data = terrain.terrainData;
var protos = data.treePrototypes;
var origin = terrain.GetPosition();
rootBounds = new Bounds();
dataBounds = new List <Bounds>(1000);
dataTypes = new List <VegetationType>(1000);
for (int i = 0, n = data.treeInstanceCount; i < n; ++i)
{
var tree = data.GetTreeInstance(i);
VegetationType type;
Bounds bounds;
if (GetVegetationInfo(protos[tree.prototypeIndex].prefab, layers, out type, out bounds))
{
bounds.center = origin + Vector3.Scale(data.size, tree.position);
bounds.size = Vector3.Scale(bounds.size, sizeFuzzyFudgeFactor);
rootBounds.SetMinMax(
Vector3.Min(rootBounds.min, bounds.min),
Vector3.Max(rootBounds.max, bounds.max));
dataBounds.Add(bounds);
dataTypes.Add(type);
}
}
}
static bool GetVegetationInfo(
GameObject @object, VegetationLayers layers, out VegetationType type, out Bounds bounds)
{
if (@object)
{
if ((layers.undergrowthLayerMask & (1 << @object.layer)) != 0)
{
type = VegetationType.Undergrowth;
}
else
{
goto bail;
}
var renderer = @object.GetComponentInChildren <Renderer>();
if (!renderer)
{
goto bail;
}
bounds = renderer.bounds;
return(true);
}
bail:
type = VegetationType.None;
bounds = default(Bounds);
return(false);
}