gramps
7f14ffb11e
The creator confirmed the clip fix ("the video plays now"), then asked where the
scrolling text was — it was invisible, for a structural reason. AlertTickerFrame
existed only as a frame-pump callback blitted into the OUTPUT; PreviewPane.xaml had
no element for it, because the strip is master-width and global, not a Source, so it
cannot ride a per-element Image. Nothing was wrong in the renderer: there was no
consumer in the preview. Same class of defect as the missing IsAlertBox trigger, one
layer up (MyMistakes RULE 5/6).
- tickerPreviewSink on AlertOverlayLayer, published from RefreshAlertPreviews() so it
is always the UI thread; MainViewModel.AlertTicker writes it into one reused
WriteableBitmap bound to a new global AlertTickerElement, mirroring SocialBarElement.
- Source.AlertDisplayMethod + panel "Display" selector: TickerScroll / Flash / Solid.
Flash pulses 0.5s on / 0.5s off for the whole alert; Solid is centred and still.
- The marquee was also unreadable: a fixed 140px/s took ~17s per pass, so a 10s alert
showed the text once, entering from the right and never crossing. Paced in reads per
alert instead (TickerReadsPerAlert = 3 inside the alert's own length, speed derived
from it) — never px/s. Research (websearch: how do OBS/Streamlabs/StreamElements
alert boxes present announcement timing?) settled the unit: Streamlabs exposes "Alert
Duration: choose how long your alert stays on your stream" and "Text Delay", never a
scroll-speed slider (https://support.streamlabs.com/hc/en-us/articles/52499995174299-Setting-up-Your-Streamlabs-Alerts).
Run is phase-started half a frame in so the first frame isn't blank.
- Persistence: AlertDisplayMethod INTEGER NOT NULL DEFAULT 0 via the idempotent
table_info migration, appended LAST in the SELECT because the Source reader is
positional (GetInt32(32..34)) — a mid-list insert would silently shift a neighbour.
Tests: 15 new facts (suite 339/339). RealApp STA host: the pane draws the strip and
collapses at alert end; the layer publishes a real 1920x48 frame for all three methods
and nothing when the ticker is off; three passes counted in 10s by the pill's leading
edge resetting (a seamless marquee never blanks, so an empty frame cannot count a pass);
Solid byte-identical at every moment; Flash on for half of each second; the panel shows
and writes back the choice; the DB round-trips all three alert fields together.
Incidental finding: a bound ItemsSource ComboBox in LeftPanel.xaml broke
LayerReorderPersistenceTests.RealMouseDrag (that test injects PHYSICAL mouse input, so a
load-time re-measure moves the rows out from under the cursor). Rewritten as inline
ComboBoxItems, the shape the chat Font selector already uses in that panel. Recorded as
MyMistakes RULE (8).
241 lines
12 KiB
C#
241 lines
12 KiB
C#
using Microsoft.Data.Sqlite;
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using ytLive.Models;
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namespace ytLive.Services;
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public partial class LayoutStore : IDisposable
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{
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public List<Scene> Load()
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{
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Webcam = null;
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Socials = null;
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Music = null;
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var scenes = new List<Scene>();
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var sourcesByScene = new Dictionary<string, List<(Source Source, int Sort)>>();
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var configsByScene = new Dictionary<string, List<(WebcamSceneConfig Config, int Sort)>>();
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using (var cmd = _connection.CreateCommand())
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{
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cmd.CommandText = "SELECT Id, Name, IsHidden, IsChatScene, HasBackground, HasSocialBar FROM Scene ORDER BY SortOrder";
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using var reader = cmd.ExecuteReader();
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while (reader.Read())
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{
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scenes.Add(new Scene
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{
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Id = reader.GetString(0),
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Name = reader.GetString(1),
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IsHidden = reader.GetInt32(2) != 0,
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IsChatScene = reader.GetInt32(3) != 0,
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HasBackground = reader.GetInt32(4) != 0,
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HasSocialBar = reader.FieldCount > 5 && !reader.IsDBNull(5) && reader.GetInt32(5) != 0,
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});
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}
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}
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using (var cmd = _connection.CreateCommand())
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{
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cmd.CommandText = "SELECT Id, DeviceId, Name FROM Webcam;";
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using var reader = cmd.ExecuteReader();
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if (reader.Read())
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{
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Webcam = new Webcam
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{
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Id = reader.GetString(0),
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DeviceId = reader.GetString(1),
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Name = reader.GetString(2),
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};
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}
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}
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using (var cmd = _connection.CreateCommand())
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{
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cmd.CommandText = "SELECT Id, BarPosition, BarEnabled FROM Socials LIMIT 1;";
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using var reader = cmd.ExecuteReader();
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if (reader.Read())
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{
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Socials = new SocialsConfig
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{
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BarPosition = Enum.TryParse<SocialBarPosition>(reader.GetString(1), out var pos) ? pos : SocialBarPosition.Bottom,
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BarEnabled = reader.FieldCount > 2 && !reader.IsDBNull(2) && reader.GetInt32(2) != 0,
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};
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var socialsId = reader.GetString(0);
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using var entryCmd = _connection.CreateCommand();
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entryCmd.CommandText = "SELECT Service, Handle, ProfileUrl, Software FROM SocialEntry WHERE SocialsId = $id ORDER BY SortOrder;";
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entryCmd.Parameters.AddWithValue("$id", socialsId);
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using var entryReader = entryCmd.ExecuteReader();
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while (entryReader.Read())
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{
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Socials.Entries.Add(new SocialEntry
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{
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Service = Enum.TryParse<SocialService>(entryReader.GetString(0), out var svc) ? svc : SocialService.Link,
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Handle = entryReader.GetString(1),
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ProfileUrl = entryReader.GetString(2),
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FediverseSoftware = entryReader.FieldCount > 3 && !entryReader.IsDBNull(3) ? entryReader.GetString(3) : null,
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});
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}
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}
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}
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using (var cmd = _connection.CreateCommand())
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{
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cmd.CommandText = "SELECT TrackPath, IsEnabled FROM Music LIMIT 1;";
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using var reader = cmd.ExecuteReader();
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if (reader.Read())
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{
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Music = new Music
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{
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TrackPath = reader.GetString(0),
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IsEnabled = reader.GetInt32(1) != 0,
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};
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}
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}
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using (var cmd = _connection.CreateCommand())
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{
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cmd.CommandText = """
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SELECT Id, SceneId, AssetId, Type, Name, IsEnabled,
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X, Y, Width, Height, Opacity, MonitorIndex, ClipShape, IsMirrored,
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IsBackground, CaptureKey, ShowDesktop,
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ChatFontSize, ChatFontColor, ChatBackgroundColor, ChatMaxMessages,
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ChatShowTimestamps, ChatShowBadges, ChatMemberColor, ChatSuperChatColor,
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WebUri, MediaPath, MediaIsLooping, MediaVolume, MediaPlaybackState,
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AlertVideoAssetId, AlertVideoPath, AlertUseDefaultVideo, AlertShowTicker, AlertVideoVolume, SortOrder,
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AlertDisplayMethod
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FROM Source ORDER BY SortOrder
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""";
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using var reader = cmd.ExecuteReader();
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while (reader.Read())
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{
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var sceneId = reader.GetString(1);
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var type = Enum.Parse<SourceType>(reader.GetString(3));
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var source = new Source
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{
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Id = reader.GetString(0),
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AssetId = reader.IsDBNull(2) ? null : reader.GetString(2),
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Type = type,
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Name = reader.GetString(4),
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IsEnabled = reader.GetInt32(5) != 0,
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X = reader.GetDouble(6),
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Y = reader.GetDouble(7),
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Width = reader.GetDouble(8),
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Height = reader.GetDouble(9),
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Opacity = reader.GetDouble(10),
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MonitorIndex = reader.IsDBNull(11) ? null : reader.GetInt32(11),
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ClipShape = Enum.TryParse<ClipShape>(reader.GetString(12), out var clip) ? clip : ClipShape.Traditional,
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IsMirrored = reader.GetInt32(13) != 0,
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// Rows saved before the Type setter derived the flag carry
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// IsBackground=0; derive from Type, keeping the persisted bit
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// for legacy DisplayCapture backdrops.
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IsBackground = type == SourceType.Background || reader.GetInt32(14) != 0,
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CaptureKey = reader.IsDBNull(15) ? null : reader.GetString(15),
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ShowDesktop = reader.GetInt32(16) != 0,
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ChatFontSize = reader.IsDBNull(17) ? 16 : reader.GetDouble(17),
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ChatFontColor = reader.IsDBNull(18) ? "#FFFFFF" : reader.GetString(18),
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ChatBackgroundColor = reader.IsDBNull(19) ? "#80000000" : reader.GetString(19),
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ChatMaxMessages = reader.IsDBNull(20) ? 5 : reader.GetInt32(20),
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ChatShowTimestamps = reader.IsDBNull(21) ? true : reader.GetInt32(21) != 0,
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ChatShowBadges = reader.IsDBNull(22) ? true : reader.GetInt32(22) != 0,
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ChatMemberColor = reader.IsDBNull(23) ? "#e94560" : reader.GetString(23),
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ChatSuperChatColor = reader.IsDBNull(24) ? "#eab308" : reader.GetString(24),
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WebUri = reader.IsDBNull(25) ? null : reader.GetString(25),
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MediaPath = reader.IsDBNull(26) ? null : reader.GetString(26),
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MediaIsLooping = reader.IsDBNull(27) ? false : reader.GetInt32(27) != 0,
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MediaVolume = reader.IsDBNull(28) ? 1.0 : reader.GetDouble(28),
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MediaPlaybackState = reader.IsDBNull(29)
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? MediaPlaybackState.Stopped
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: Enum.TryParse<MediaPlaybackState>(reader.GetString(29), out var ps)
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? ps
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: MediaPlaybackState.Stopped,
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AlertVideoAssetId = reader.IsDBNull(30) ? null : reader.GetString(30),
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AlertVideoPath = reader.IsDBNull(31) ? null : reader.GetString(31),
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AlertUseDefaultVideo = reader.IsDBNull(32) ? true : reader.GetInt32(32) != 0,
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AlertShowTicker = reader.IsDBNull(33) ? true : reader.GetInt32(33) != 0,
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AlertVideoVolume = reader.IsDBNull(34) ? 1.0 : reader.GetDouble(34),
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AlertDisplayMethod = reader.IsDBNull(36) ? AlertDisplayMethod.TickerScroll : (AlertDisplayMethod)reader.GetInt32(36),
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};
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if (!sourcesByScene.TryGetValue(sceneId, out var list))
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sourcesByScene[sceneId] = list = new List<(Source, int)>();
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list.Add((source, reader.GetInt32(35)));
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}
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}
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using (var cmd = _connection.CreateCommand())
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{
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cmd.CommandText = """
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SELECT SceneId, WebcamId, IsVisible, X, Y, Width, Height, Opacity,
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ClipShape, IsMirrored, BorderColor, BorderOpacity, BorderWidth, BorderAnimation,
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RectWidth, RectHeight, SortOrder
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FROM WebcamSceneConfig ORDER BY SortOrder
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""";
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using var reader = cmd.ExecuteReader();
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while (reader.Read())
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{
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var sceneId = reader.GetString(0);
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var config = new WebcamSceneConfig
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{
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WebcamId = reader.GetString(1),
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Name = Webcam?.Name ?? "Webcam",
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IsVisible = reader.GetInt32(2) != 0,
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X = reader.GetDouble(3),
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Y = reader.GetDouble(4),
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Width = reader.GetDouble(5),
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Height = reader.GetDouble(6),
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Opacity = reader.GetDouble(7),
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ClipShape = Enum.TryParse<ClipShape>(reader.GetString(8), out var clip) ? clip : ClipShape.Traditional,
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IsMirrored = reader.GetInt32(9) != 0,
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BorderColor = reader.IsDBNull(10) ? string.Empty : reader.GetString(10),
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BorderOpacity = reader.IsDBNull(11) ? 1.0 : reader.GetDouble(11),
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BorderWidth = reader.IsDBNull(12) ? 0 : reader.GetInt32(12),
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BorderAnimation = Enum.TryParse<BorderAnimation>(reader.GetString(13), out var anim) ? anim : BorderAnimation.None,
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RectWidth = reader.IsDBNull(14) ? null : reader.GetDouble(14),
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RectHeight = reader.IsDBNull(15) ? null : reader.GetDouble(15),
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};
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if (!configsByScene.TryGetValue(sceneId, out var list))
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configsByScene[sceneId] = list = new List<(WebcamSceneConfig, int)>();
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list.Add((config, reader.GetInt32(16)));
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}
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}
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foreach (var scene in scenes)
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{
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// Source and WebcamSceneConfig rows share ONE z-order space per scene
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// (both SortOrders = the element's index within scene.Elements). Merge
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// the two tables' rows by that shared z rather than appending all
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// sources before all configs — a webcam slotted between sources must
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// reload in place. Legacy rows (written before the unified space) may
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// tie at 0: break ties sources-first, so old data reads back stacked
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// the same way it did pre-unification.
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var ordered = new List<(int Sort, SceneElement Element)>();
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if (sourcesByScene.TryGetValue(scene.Id, out var sources))
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foreach (var (source, sort) in sources)
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ordered.Add((sort, source));
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if (configsByScene.TryGetValue(scene.Id, out var configs))
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foreach (var (config, sort) in configs)
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ordered.Add((sort, config));
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foreach (var (_, element) in ordered.OrderBy(e => e.Sort).ThenBy(e => e.Element is Source ? 0 : 1))
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scene.Elements.Add(element);
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var bg = scene.Elements.OfType<Source>().FirstOrDefault(s => s.IsBackground);
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if (bg != null)
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{
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// Load from source-keyed settings (new) or scene-keyed (legacy migration)
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var path = GetSetting($"BackgroundPath_{bg.Id}");
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if (string.IsNullOrWhiteSpace(path))
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path = GetSetting($"BackgroundPath_{scene.Id}");
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if (!string.IsNullOrWhiteSpace(path))
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bg.CustomBackgroundPath = path;
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var useDefault = GetSetting($"BackgroundUseDefault_{bg.Id}");
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if (string.IsNullOrWhiteSpace(useDefault))
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useDefault = GetSetting($"BackgroundUseDefault_{scene.Id}");
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if (useDefault == "0")
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bg.UseDefaultBackground = false;
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}
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}
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return scenes;
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}
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}
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