/// <summary>
/// Create a behaviour for the <see cref="Mesh"/> <see cref="MonoBehaviour"/> component.
/// Every Mesh has one behaviour.
/// </summary>
public LibiglBehaviour(LibiglMesh libiglMesh)
{
Mesh = libiglMesh;
// Initialize C++ and create the State from the DataRowMajor
State = Native.InitializeMesh(libiglMesh.DataRowMajor.GetNative(), Mesh.name);
Input = MeshInputState.GetInstance();
_uiDetails = UiManager.get.CreateDetailsPanel();
_uiDetails.Initialize(this);
}
/// <summary>
/// Applies changes to the C++ State to this instance. Use this to copy changes from Col to RowMajor.<p/>
/// Can and should be called from a worker thread. Behind the scenes this tranposes and copies the matrices.<p/>
/// The DirtyState is propagated so <see cref="ApplyDirtyToMesh"/> (called on the main thread) will apply the changes.
/// <seealso cref="Native.ApplyDirty"/>
/// </summary>
public unsafe void ApplyDirty(MeshState *state, MeshInputState inputState)
{
Assert.IsTrue(VSize == state->VSize && FSize == state->FSize);
// Copy over and transpose data that has changed
Native.ApplyDirty(state, _native, inputState.VisibleSelectionMask);
DirtyState |= state->DirtyState;
DirtySelections |= state->DirtySelections;
DirtySelectionsResized |= state->DirtySelectionsResized;
}
/// <summary>
/// Called just before a new thread is started in which <see cref="Execute"/> is called.
/// Use this to update the input state, set flags and access any Unity API from the main thread.<p/>
/// Called on the main thread.
/// </summary>
public void PreExecute()
{
// Add logic here that uses the Unity API (e.g. Input)
PreExecuteInput();
PreExecuteTransform();
// Apply changes in UI to the state
_uiDetails.UpdatePreExecute();
// Copy the Input to ExecuteInput so the thread has its own copy
_executeInput = Input;
// Immediately consume the input on the main thread copy so we can detect new changes whilst we are in Execute
Input.Consume();
}