Remove hardcoded streaming URLs from demos and tests

.github/workflows/ci-build-test.yml

@@ -104,20 +104,6 @@ jobs:
             --skip 'UntoldEngineRenderTests.RemoteStreamFlyThroughTests' \
             --skip 'UntoldEngineRenderTests.PerformanceTests'
 
-      # ✅ Run remote streaming PSNR in isolation.
-      # The flythrough test mutates streaming budgets and waits on remote tile
-      # residency; running it inside the broad parallel sweep can capture an
-      # unsettled waypoint frame even when the same test is deterministic alone.
-      - name: Run remote stream flythrough PSNR
-        timeout-minutes: 20
-        env:
-          CI: true
-          UNTOLD_PSNR_THRESHOLD: "33.5"
-          UNTOLD_PYTHON: "python3"
-        run: |
-          command -v "${UNTOLD_PYTHON}" >/dev/null 2>&1 || { echo "python not found"; exit 1; }
-          swift test -v --disable-swift-testing --filter 'UntoldEngineRenderTests.RemoteStreamFlyThroughTests/testRemoteStreamFlythrough_psnr'
-
       # ✅ Run performance benchmarks as CI gates, isolated from the parallel renderer suite.
       # These numbers are intentionally configurable because GitHub-hosted macOS runners
       # are shared machines. They still fail the build on meaningful regressions, while

Sources/Demos/LargeSceneStreamingDemo/AppDelegate.swift

@@ -22,7 +22,7 @@
     @MainActor
     @Observable
     final class LargeSceneStreamingState {
-        var status = "Loading default remote scene..."
+        var status = "Loading offline reference field..."
         var customManifestURL = ""
         var isLoading = false
         var tileBoundsEnabled = true
@@ -47,7 +47,7 @@
             setupWindow()
             setupRendererAndScene()
             presentSceneView()
-            gameScene.loadPreset(.dungeon)
+            gameScene.loadFallbackField()
         }
 
         func applicationShouldTerminateAfterLastWindowClosed(_: NSApplication) -> Bool {
@@ -99,7 +99,6 @@
                 renderer: renderer,
                 state: state,
                 actions: .init(
-                    loadPreset: { [weak self] preset in self?.gameScene.loadPreset(preset) },
                     loadCustomURL: { [weak self] url in self?.gameScene.loadManifest(url: url, label: "Custom Manifest") },
                     loadFallbackField: { [weak self] in self?.gameScene.loadFallbackField() },
                     setTileBounds: { [weak self] enabled in self?.gameScene.setTileBoundsDebug(enabled) },
@@ -116,7 +115,6 @@
     }
 
     private struct LargeSceneStreamingActions {
-        let loadPreset: (GameScene.RemoteScenePreset) -> Void
         let loadCustomURL: (URL) -> Void
         let loadFallbackField: () -> Void
         let setTileBounds: (Bool) -> Void
@@ -155,8 +153,6 @@
                 }
 
                 HStack {
-                    Button("Dungeon") { actions.loadPreset(.dungeon) }
-                    Button("City") { actions.loadPreset(.city) }
                     Button("Field") { actions.loadFallbackField() }
                 }
 

Sources/Demos/LargeSceneStreamingDemo/GameScene.swift

@@ -21,28 +21,8 @@
     import UntoldEngine
 
     final class GameScene: @unchecked Sendable {
-        enum RemoteScenePreset: String, CaseIterable {
-            case dungeon = "Dungeon"
-            case city = "City"
-
-            var manifestURL: URL {
-                switch self {
-                case .dungeon:
-                    URL(string: "https://d8pyi1c08k1w.cloudfront.net/dungeon3/dungeon3.json")!
-                case .city:
-                    URL(string: "https://d8pyi1c08k1w.cloudfront.net/city/city.json")!
-                }
-            }
-
-            var cameraEye: simd_float3 {
-                switch self {
-                case .dungeon: simd_float3(0.0, 4.0, 18.0)
-                case .city: simd_float3(0.0, 18.35, 73.56)
-                }
-            }
-        }
-
         private enum Constants {
+            static let defaultCameraEye = simd_float3(0.0, 4.0, 18.0)
             static let cameraMoveSpeed: Float = 9.0
             static let cameraInputDeltaTime: Float = 1.0 / 60.0
             static let orbitTargetOffset: Float = 25.0
@@ -64,11 +44,6 @@
             setSceneReady(false)
         }
 
-        func loadPreset(_ preset: RemoteScenePreset) {
-            placeCamera(eye: preset.cameraEye)
-            loadManifest(url: preset.manifestURL, label: preset.rawValue)
-        }
-
         func loadManifest(url: URL, label: String) {
             clearLoadedContent()
             setSceneReady(false)
@@ -206,7 +181,7 @@
         }
 
         private func createCamera() {
-            makeDemoCamera(name: "Streaming Camera", eye: RemoteScenePreset.dungeon.cameraEye, orbitOffset: Constants.orbitTargetOffset)
+            makeDemoCamera(name: "Streaming Camera", eye: Constants.defaultCameraEye, orbitOffset: Constants.orbitTargetOffset)
         }
 
         private func createLight() {

Sources/Demos/LargeSceneStreamingDemo/README.md

@@ -17,8 +17,7 @@ What it demonstrates:
 - tile bounds, LOD debug, and texture tier debug overlays
 - live engine stats for streaming, batching, draw calls, and memory
 
-The default remote scenes reuse the same public manifests as `ShowcaseDemo`. The
-`Field` button loads a procedural offline reference field so the executable still
+The `Field` button loads a procedural offline reference field so the executable
 runs without network access, but that mode is not tile streaming.
 
 To test your own exported world, paste a full `https://.../scene.json` or

Sources/Demos/ShowcaseDemo/DemoHUD.swift

@@ -186,26 +186,6 @@
                     resolutionMenu
                 }
 
-                HStack(alignment: .center, spacing: 8) {
-                    Picker("Remote Scene", selection: $state.selectedRemoteSceneID) {
-                        ForEach(state.remoteScenes) { scene in
-                            Text(scene.title).tag(scene.id)
-                        }
-                    }
-                    .pickerStyle(.menu)
-                    .frame(maxWidth: .infinity, alignment: .leading)
-                    .disabled(state.isLoading || state.remoteScenes.isEmpty)
-                    Button("Load", action: loadSelectedRemoteScene)
-                        .buttonStyle(.borderedProminent)
-                        .tint(.blue)
-                        .disabled(state.isLoading || state.selectedRemoteScene?.manifestURL == nil)
-                    if state.isLoading {
-                        ProgressView()
-                            .scaleEffect(0.6)
-                            .frame(width: 16, height: 16)
-                    }
-                }
-
                 HStack(alignment: .center, spacing: 8) {
                     Text("Local Scene")
                         .foregroundStyle(.secondary)
@@ -495,30 +475,6 @@
             .disabled(!enabled)
         }
 
-        private func loadSelectedRemoteScene() {
-            guard let scene = state.selectedRemoteScene,
-                  let manifestURL = scene.manifestURL,
-                  let onLoadTiledScene = state.onLoadTiledScene
-            else { return }
-
-            state.batchingEnabled = false
-            state.streamingEnabled = false
-            state.isLoading = true
-
-            let sceneID = scene.id
-            onLoadTiledScene(sceneID, manifestURL) { success in
-                Task { @MainActor in
-                    state.isLoading = false
-                    state.hasLoadedEntity = success
-                    state.streamingEnabled = success
-                    if success {
-                        state.selectedPostFXPreset = Self.postFXPreset(for: sceneID)
-                        state.applySelectedPostFXPreset()
-                    }
-                }
-            }
-        }
-
         private func openLocalAssetPicker() {
             localImportMode = .asset
             showFilePicker = true
@@ -590,13 +546,6 @@
             }
         }
 
-        private static func postFXPreset(for sceneID: String) -> DemoState.PostFXPreset {
-            switch sceneID {
-            case "f1car", "airplane", "porsche964": .cinematic
-            default: .neutral
-            }
-        }
-
         private func finishLocalImport(url: URL, accessing: Bool, success: Bool, streamingEnabled: Bool) {
             state.isLoading = false
             state.hasLoadedEntity = success

Sources/Demos/ShowcaseDemo/DemoState.swift

@@ -23,7 +23,6 @@
         private enum Defaults {
             static let streamingRadius: Double = 200.0
             static let unloadRadius: Double = 350.0
-            static let selectedRemoteSceneID = "dungeon"
         }
 
         enum PostFXPreset: String, CaseIterable, Identifiable {
@@ -70,48 +69,10 @@
 
         @ObservationIgnored private var isApplyingPostFXPreset = false
 
-        struct RemoteSceneOption: Identifiable, Hashable {
-            let id: String
-            let title: String
-            let manifestURL: URL?
-        }
-
         // MARK: - File Loading
 
         var hasLoadedEntity: Bool = false
         var isLoading: Bool = false
-        let remoteScenes: [RemoteSceneOption] = [
-            .init(
-                id: "dungeon",
-                title: "Game Dungeon",
-                manifestURL: URL(string: "https://d8pyi1c08k1w.cloudfront.net/dungeon3/dungeon3.json")!
-            ),
-            .init(
-                id: "city",
-                title: "Cartoon City",
-                manifestURL: URL(string: "https://d8pyi1c08k1w.cloudfront.net/city/city.json")!
-            ),
-            .init(
-                id: "f1car",
-                title: "Formula 1",
-                manifestURL: URL(string: "https://d8pyi1c08k1w.cloudfront.net/F1Car/F1Car.json")!
-            ),
-            .init(
-                id: "airplane",
-                title: "Skyhawk",
-                manifestURL: URL(string: "https://d8pyi1c08k1w.cloudfront.net/Shyhawk_stream/Skyhawks.json")!
-            ),
-            .init(
-                id: "porsche964",
-                title: "Porsche 964",
-                manifestURL: URL(string: "https://d8pyi1c08k1w.cloudfront.net/Porsche964-stream/Porsche964-stream.json")!
-            ),
-        ]
-        var selectedRemoteSceneID: String = Defaults.selectedRemoteSceneID
-
-        var selectedRemoteScene: RemoteSceneOption? {
-            remoteScenes.first { $0.id == selectedRemoteSceneID }
-        }
 
         var localSceneAuthoredEnabled: Bool = false
 

Tests/UntoldEngineRenderTests/RemoteStreamFlyThroughTests.swift

@@ -55,7 +55,7 @@ final class RemoteStreamFlyThroughTests: BaseRenderSetup {
 
     /// Remote (or local file://) URL of your tile manifest.
     /// Override at runtime with the UNTOLD_STREAM_MANIFEST_URL env var.
-    private let manifestURLString = "https://d8pyi1c08k1w.cloudfront.net/city/city.json"
+    private let manifestURLString = "https://cdn.example.com/dungeon/dungeon.json"
 
     /// Waypoints the camera visits.  At each stop a screenshot is taken.
     /// Adjust positions and look-at targets to match your dungeon layout.
@@ -147,7 +147,10 @@ final class RemoteStreamFlyThroughTests: BaseRenderSetup {
 
     // -------------------------------------------------------------------------
 
-    func testGenerateFlythroughReferenceImages() async throws {
+    // Disabled: no remote manifest URL is configured (the AWS/CloudFront URL
+    // used previously was removed). Re-enable by restoring `test` as the
+    // method-name prefix once a replacement manifest host is available.
+    func disabled_testGenerateFlythroughReferenceImages() async throws {
         guard ProcessInfo.processInfo.environment["UNTOLD_REGENERATE_REFERENCES"] == "1" else {
             throw XCTSkip("Reference generation is opt-in. Set UNTOLD_REGENERATE_REFERENCES=1 to run.")
         }
@@ -178,7 +181,10 @@ final class RemoteStreamFlyThroughTests: BaseRenderSetup {
 
     // -------------------------------------------------------------------------
 
-    func testRemoteStreamFlythrough_psnr() async throws {
+    // Disabled: no remote manifest URL is configured (the AWS/CloudFront URL
+    // used previously was removed). Re-enable by restoring `test` as the
+    // method-name prefix once a replacement manifest host is available.
+    func disabled_testRemoteStreamFlythrough_psnr() async throws {
         let sceneRoot = try await loadRemoteScene()
         await hydrateFlythroughRoute(sceneRoot: sceneRoot)