private void AnimationPreviewTab()
{
_animatedPreviewAnchorMode = false;
ImGui.InputInt("Zoom", ref _zoomLevel);
ImGui.Text($"Frame {_controller.CurrentFrameIndex}/{_controller.CurrentAnimationData.FrameIndices.Length}");
bool paused = !_playing;
if (ImGui.Button("Play/Pause"))
{
_playing = !_playing;
}
if (paused)
{
ImGui.SameLine();
if (ImGui.ArrowButton("Prev Frame", ImGuiDir.Left))
{
_controller.ForceNextFrame();
}
ImGui.SameLine();
if (ImGui.ArrowButton("Next Frame", ImGuiDir.Right))
{
_controller.ForcePrevFrame();
}
}
if (_animatedPreviewFb != null)
{
FrameBufferTexture texture = _animatedPreviewFb.ColorAttachment;
(Vector2 uv1, Vector2 uv2) = texture.GetImGuiUV();
ImGui.Image((IntPtr)texture.Pointer, texture.Size * _zoomLevel, uv1, uv2);
}
}
private void FrameAnchorTab()
{
if (_currentAsset == null)
{
return;
}
_animatedPreviewAnchorMode = true;
SpriteAnimationFrameSource frameSource = _currentAsset.Content.FrameSource;
int frameCount = frameSource.GetFrameCount();
// Ensure data is of correct length. It's possible for it to be malformed if frames were re-detected or
// user did something wacky.
frameSource.FrameOrigins ??= new OriginPosition[frameCount];
if (frameSource.FrameOrigins.Length != frameCount)
{
Array.Resize(ref frameSource.FrameOrigins, frameCount);
}
frameSource.FrameOffsets ??= new Vector2[frameCount];
if (frameSource.FrameOffsets.Length != frameCount)
{
Array.Resize(ref frameSource.FrameOffsets, frameCount);
}
if (frameCount == 0)
{
return;
}
ImGui.InputInt("Zoom", ref _zoomLevel);
ImGui.Text("Frame ");
ImGui.SameLine();
ImGui.SetNextItemWidth(130);
ImGui.InputInt("", ref _frameAnchor);
ImGui.SameLine();
ImGui.Text($"/{frameCount}");
if (_frameAnchor < 0)
{
_frameAnchor = 0;
}
if (_frameAnchor > frameCount - 1)
{
_frameAnchor = frameCount - 1;
}
var anchorType = (int)frameSource.FrameOrigins[_frameAnchor];
if (ImGui.Combo("Anchor Type", ref anchorType, string.Join('\0', Enum.GetNames(typeof(OriginPosition)))))
{
frameSource.FrameOrigins[_frameAnchor] = (OriginPosition)anchorType;
_controller.Reset();
UnsavedChanges();
}
ImGui.SameLine();
if (ImGui.Button("Apply To All"))
{
for (var i = 0; i < frameSource.FrameOrigins.Length; i++)
{
frameSource.FrameOrigins[i] = (OriginPosition)anchorType;
}
UnsavedChanges();
}
if (ImGui.InputFloat2("Additional Offset", ref frameSource.FrameOffsets[_frameAnchor]))
{
UnsavedChanges();
}
if (_animatedPreviewFb != null)
{
FrameBufferTexture texture = _animatedPreviewFb.ColorAttachment;
(Vector2 uv1, Vector2 uv2) = texture.GetImGuiUV();
ImGui.Image((IntPtr)texture.Pointer, texture.Size * _zoomLevel, uv1, uv2);
}
}
private void FrameOrderTab()
{
AnimatedSprite currentFileContext = _currentAsset !.Content !;
SpriteAnimationFrameSource frameSource = currentFileContext.FrameSource;
var arraySource = frameSource as SpriteArrayFrameSource;
var gridSource = frameSource as SpriteGridFrameSource;
if (frameSource != null)
{
ImGui.Text($"Frames: {currentFileContext.FrameSource.GetFrameCount()}");
if (arraySource != null)
{
ImGui.SameLine();
ImGui.Checkbox("Show Frame Indices", ref _showFrameIdx);
ImGui.SameLine();
if (ImGui.Button("Re-detect Frames"))
{
currentFileContext.FrameSource = new SpriteArrayFrameSource(_currentAssetTexture);
UnsavedChanges();
}
}
if (gridSource != null)
{
if (ImGui.InputFloat2("FrameSize", ref gridSource.FrameSize))
{
_animatedPreviewInvalidated = true;
UnsavedChanges();
}
if (ImGui.InputFloat2("Frame Spacing", ref gridSource.Spacing))
{
_animatedPreviewInvalidated = true;
UnsavedChanges();
}
}
}
ImGui.InputInt("Zoom", ref _zoomLevel);
if (arraySource != null)
{
ImGui.Text("Right-click on a frame to select it, and then on another frame to swap their positions.");
}
ImGui.BeginChild("FramePreview", new Vector2(-1, -1), true, ImGuiWindowFlags.HorizontalScrollbar);
// Array source being unordered allows for frames to be reordered.
if (_textureFb != null && frameSource != null)
{
Vector2 winPos = ImGui.GetCursorScreenPos();
FrameBufferTexture texture = _textureFb.ColorAttachment;
(Vector2 uv1, Vector2 uv2) = texture.GetImGuiUV();
ImGui.Image((IntPtr)texture.Pointer, texture.Size * _zoomLevel, uv1, uv2);
if (arraySource != null && arraySource.Frames != null && ImGui.IsWindowFocused() && Engine.Host.IsKeyDown(Key.MouseKeyRight))
{
Vector2 mPos = ImGui.GetMousePos();
mPos -= winPos;
int clickedOn = -1;
for (var i = 0; i < frameSource.GetFrameCount(); i++)
{
Rectangle uv = frameSource.GetFrameUV(i);
uv *= _zoomLevel;
if (!uv.Contains(mPos))
{
continue;
}
clickedOn = i;
break;
}
if (clickedOn != -1)
{
if (_selectedFrame == -1)
{
_selectedFrame = clickedOn;
}
else
{
Rectangle uvSelected = frameSource.GetFrameUV(_selectedFrame);
Rectangle uvNew = frameSource.GetFrameUV(clickedOn);
arraySource.Frames[_selectedFrame] = uvNew;
arraySource.Frames[clickedOn] = uvSelected;
_selectedFrame = -1;
UnsavedChanges();
}
}
}
}
ImGui.EndChild();
}