/// <summary>
/// Initialize a mesh instance. This will automatically set the IInstanceMeshData.id, and groupID
/// as well as IGPUInstance.gpu_initialized fields. **For this function, Only set the data.parentID to an Instane who has already been initialized
/// by the MeshInstancer.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data"></param>
public void Initialize <T>(ref InstanceData <T> data) where T : InstanceDataProps
{
lock (this._instance_lock)
{
//initialize if necessary
if (!data.gpu_initialized)
{
int free_id = this.mesh.IDs.GetNewID();
int free_prop_id = data.HasProperties ? this.mesh.PropertyIDs.GetNewID() : instancemesh.NULL_ID;
data.id = free_id; //assign free gpu id
data.propertyID = free_prop_id;
data.gpu_initialized = true; //set to initialized
if (data.parentID < 0)
{
data.parentID = instancemesh.NULL_ID;
}
if (ReferenceEquals(null, data.mesh_type))
{
throw new System.Exception("Error, must have a non-null mesh type for instance");
}
data.groupID = data.mesh_type.groupID; //set type
return;
}
else
{
throw new System.Exception("Error, input data already initialized.");
}
}
}
public SkinnedMesh(GPUSkinnedMeshComponent c, MeshInstancer m, int initial_lod = MeshInstancer.MaxLODLevel)
{
if (!c.Initialized())
{
throw new System.Exception("Error, input GPUSkinnedMeshComponent must be added to MeshInstancer before creating instances!");
}
this.skeleton = new Skeleton(c.anim, m);
this.m = m;
this._init = false;
this._anim_tick_start = 0;
this._current_anim = null;
// create parent mesh instance
this.mesh = new InstanceData <InstanceProperties>(c.MeshTypes[initial_lod][0]);
// create other additional instances if this skinned mesh needs multiple instances
if (c.MeshTypes[0].Length > 1)
{
this.sub_mesh = new InstanceData <InstanceProperties> [c.MeshTypes[0].Length - 1];
for (int i = 1; i < c.MeshTypes[0].Length; i++)
{
this.sub_mesh[i - 1] = new InstanceData <InstanceProperties>(c.MeshTypes[initial_lod][i]);
}
}
else
{
this.sub_mesh = null;
}
}
public SkinnedMesh(MeshType mesh, AnimationController anim, MeshInstancer m)
{
this.skeleton = new Skeleton(anim, m);
this.mesh = new InstanceData <InstanceProperties>(mesh);
this.m = m;
this._init = false;
this._anim_tick_start = 0;
this._current_anim = null;
this.sub_mesh = null;
}
public GPUMesh(GPUMeshComponent c, MeshInstancer m, bool has_props = true)
{
if (!c.Initialized())
{
throw new System.Exception("Error, input GPUMeshComponent must be added to MeshInstancer before creating instances!");
}
this.mesh = new InstanceData <InstanceProperties>(c.MeshTypes[0], has_props);
this.m = m;
this._init = false;
}
/// <summary>
/// Append an item to the update buffer.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data"> data to be appended. The input data will be modified. </param>
public void Append <T>(ref InstanceData <T> data) where T : InstanceDataProps
{
lock (this._instance_lock)
{
if (data.DirtyFlags == DirtyFlag.None)
{
return;
}
if (!data.gpu_initialized)
{
throw new System.Exception("Error, cannot update uninitialized data");
}
this.mesh.Set <InstanceData <T> >(data);
data.DirtyFlags = DirtyFlag.None;//set not dirty
return;
}
}
/// <summary>
/// Delete a mesh instance.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data"></param>
public void Delete <T>(ref InstanceData <T> data) where T : InstanceDataProps
{
lock (this._instance_lock)
{
if (data.id == instancemesh.NULL_ID)
{
throw new System.Exception("Error, input id to delete is 0 (NULL)");
}
if (data.id < 0)
{
throw new System.Exception("No negative ids");
}
if (!data.gpu_initialized)
{
throw new System.Exception("Error, not initialized");
}
if (ReferenceEquals(null, data.mesh_type) || data.groupID == instancemesh.NULL_ID)
{
throw new System.Exception("Error, input instance data does not have an assigned mesh type!");
}
if ((data.HasProperties && data.propertyID == instancemesh.NULL_ID) || (!data.HasProperties && data.propertyID != instancemesh.NULL_ID))
{
throw new System.Exception("Error, input propertyID is invalid");
}
if (data.propertyID < 0)
{
throw new System.Exception("Error, input propertyID is negative.");
}
mesh.Delete(data);
this.mesh.IDs.ReleaseID(data.id);
if (data.HasProperties)
{
this.mesh.PropertyIDs.ReleaseID(data.propertyID);
}
data.id = instancemesh.NULL_ID;
data.gpu_initialized = false;
data.parentID = instancemesh.NULL_ID;
}
}
public GPUMesh(MeshType c, MeshInstancer m, bool has_props = true)
{
this.mesh = new InstanceData <InstanceProperties>(c, has_props);
this.m = m;
this._init = false;
}
