private void AnimationFrameEditor(Dictionary <string, SpriteAnimationData> anims)
{
AnimatedSprite currentFileContext = _currentAsset !.Content !;
SpriteAnimationData selAnim = anims[_selectedAnimation];
ImGui.BeginChild("Animation", new Vector2(-1, -1), true);
ImGui.Text("Frames: (Drag and Drop to rearrange)");
SpriteAnimationFrameSource frameSource = currentFileContext.FrameSource;
_draggedFrame = EditorHelpers.DragAndDropList(selAnim.FrameIndices, _draggedFrame, true);
if (selAnim.FrameIndices.Length == 0)
{
EditorHelpers.ButtonSizedHole("");
}
ImGui.PushItemWidth(150);
if (ImGui.InputInt("", ref _addFrameInput))
{
_addFrameInput = Maths.Clamp(_addFrameInput, 0, frameSource.GetFrameCount() - 1);
}
ImGui.SameLine();
if (ImGui.Button("Add Frame"))
{
selAnim.FrameIndices = selAnim.FrameIndices.AddToArray(_addFrameInput);
if (_addFrameInput < frameSource.GetFrameCount() - 2)
{
_addFrameInput++;
}
_controller.Reset();
UnsavedChanges();
}
ImGui.SameLine();
ImGui.Button("Remove (Drop Here)");
if (ImGui.BeginDragDropTarget())
{
ImGuiPayloadPtr dataPtr = ImGui.AcceptDragDropPayload("UNUSED");
unsafe
{
if ((IntPtr)dataPtr.NativePtr != IntPtr.Zero && dataPtr.IsDelivery())
{
int[] indices = selAnim.FrameIndices;
for (int i = _draggedFrame; i < indices.Length - 1; i++)
{
indices[i] = indices[i + 1];
}
Array.Resize(ref selAnim.FrameIndices, selAnim.FrameIndices.Length - 1);
_controller.Reset();
_draggedFrame = -1;
UnsavedChanges();
}
}
ImGui.EndDragDropTarget();
}
ImGui.PushItemWidth(150);
ImGui.Text("Duration");
ImGui.SameLine();
if (ImGui.InputInt("###DurInput", ref selAnim.TimeBetweenFrames))
{
_controller.Reset();
UnsavedChanges();
}
ImGui.SameLine();
if (selAnim.FrameIndices.Length > 0)
{
ImGui.Text($"Total Duration: {selAnim.TimeBetweenFrames * selAnim.FrameIndices.Length}");
}
var loopType = (int)selAnim.LoopType;
if (ImGui.Combo("Loop Type", ref loopType, string.Join('\0', Enum.GetNames(typeof(AnimationLoopType)))))
{
selAnim.LoopType = (AnimationLoopType)loopType;
_controller.Reset();
UnsavedChanges();
}
}
public static int DragAndDropList <T>(T[] list, int draggedState, bool horizontal = false)
{
//draggedState = -1;
for (var i = 0; i < list.Length; i++)
{
T item = list[i];
if (item == null)
{
continue;
}
if (i == draggedState)
{
ImGui.PushStyleColor(ImGuiCol.Button, 0);
ImGui.PushStyleColor(ImGuiCol.Text, 0);
}
ImGui.PushID($"Item {i}");
ImGui.Button(item.ToString());
ImGui.PopID();
if (i == draggedState)
{
ImGui.PopStyleColor();
ImGui.PopStyleColor();
}
if (ImGui.BeginDragDropSource())
{
draggedState = i;
ImGui.PushID("carrying");
ImGui.Text(item.ToString());
ImGui.PopID();
ImGui.SetDragDropPayload("UNUSED", IntPtr.Zero, 0);
ImGui.EndDragDropSource();
}
if (ImGui.BeginDragDropTarget())
{
ImGuiPayloadPtr dataPtr = ImGui.AcceptDragDropPayload("UNUSED");
unsafe
{
if ((IntPtr)dataPtr.NativePtr != IntPtr.Zero && dataPtr.IsDelivery())
{
int idxDragged = draggedState;
(list[idxDragged], list[i]) = (list[i], list[idxDragged]);
draggedState = -1;
}
}
ImGui.EndDragDropTarget();
}
// Check if drag/drop ended.
ImGuiPayloadPtr payLoad = ImGui.GetDragDropPayload();
unsafe
{
if ((IntPtr)payLoad.NativePtr == IntPtr.Zero)
{
draggedState = -1;
}
}
if (horizontal && i != list.Length - 1)
{
ImGui.SameLine();
}
}
return(draggedState);
}