/// <summary>
/// Creates a mesh and commits it to the engine. Bounding box set according to value passed in bounds
/// </summary>
public void Commit(Vector3 position, Quaternion rotation, ref Bounds bounds
#if DEBUG
, string debugName = null
#endif
)
{
ReleaseOldData();
for (int j = 0; j < buffers.Length; j++)
{
List <ColliderGeometryBuffer> holder = buffers[j];
PhysicMaterial material = (materials == null || materials.Length < 1) ? null : materials[j];
for (int i = 0; i < holder.Count; i++)
{
ColliderGeometryBuffer buffer = holder[i];
// No data means there's no mesh to build
if (buffer.IsEmpty)
{
continue;
}
// Create a game object for collider. Unfortunatelly, we can't use object pooling
// here. Unity3D would have to rebake the geometry of the old object because of a
// change in its position and that is very time consuming.
GameObject prefab = GameObjectProvider.GetPool(prefabName).Prefab;
GameObject go = Object.Instantiate(prefab);
go.transform.parent = GameObjectProvider.Instance.ProviderGameObject.transform;
{
#if DEBUG
go.name = string.Format(debugName, "_", i.ToString());
#endif
Mesh mesh = Globals.MemPools.meshPool.Pop();
Assert.IsTrue(mesh.vertices.Length <= 0);
buffer.SetupMesh(mesh, false);
mesh.bounds = bounds;
MeshCollider collider = go.GetComponent <MeshCollider>();
collider.enabled = true;
collider.sharedMesh = null;
collider.sharedMesh = mesh;
Transform t = collider.transform;
t.position = position;
t.rotation = rotation;
collider.sharedMaterial = material;
objects.Add(go);
}
buffer.Clear();
}
}
}
/// <summary>
/// Addds one face to our render buffer
/// </summary>
/// <param name="materialID">ID of material to use when building the mesh</param>
/// <param name="verts"> An array of 4 vertices forming the face</param>
/// <param name="backFace">If false, vertices are added clock-wise</param>
public void AddFace(int materialID, Vector3[] verts, bool backFace)
{
Assert.IsTrue(verts.Length == 4);
List <ColliderGeometryBuffer> holder = buffers[materialID];
ColliderGeometryBuffer buffer = holder[holder.Count - 1];
// If there are too many vertices we need to create a new separate buffer for them
if (buffer.vertices.Count + 4 > 65000)
{
buffer = new ColliderGeometryBuffer();
holder.Add(buffer);
}
// Add vertices
buffer.AddVertices(verts);
// Add indices
buffer.AddIndices(buffer.vertices.Count, backFace);
}
public void Reset()
{
// Buffers need to be reallocated. Otherwise, more and more memory would be consumed by them. This is
// because internal arrays grow in capacity and we can't simply release their memory by calling Clear().
// Objects and renderers are fine, because there's usually only 1 of them. In some extreme cases they
// may grow more but only by 1 or 2 (and only if Env.ChunkPow>5).
for (int i = 0; i < buffers.Length; i++)
{
List <ColliderGeometryBuffer> geometryBuffer = buffers[i];
for (int j = 0; j < geometryBuffer.Count; j++)
{
if (geometryBuffer[j].WasUsed)
{
geometryBuffer[j] = new ColliderGeometryBuffer();
}
}
}
ReleaseOldData();
enabled = false;
}
