Merge pull request #65 from nmfisher/develop

Documentation

CHANGELOG.md

@@ -3,6 +3,77 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## 2024-07-11
+
+### Changes
+
+---
+
+Packages with breaking changes:
+
+ - There are no breaking changes in this release.
+
+Packages with other changes:
+
+ - [`thermion_flutter_ffi` - `v0.1.0+11`](#thermion_flutter_ffi---v01011)
+ - [`thermion_flutter` - `v0.1.1+12`](#thermion_flutter---v01112)
+
+Packages with dependency updates only:
+
+> Packages listed below depend on other packages in this workspace that have had changes. Their versions have been incremented to bump the minimum dependency versions of the packages they depend upon in this project.
+
+ - `thermion_flutter` - `v0.1.1+12`
+
+---
+
+#### `thermion_flutter_ffi` - `v0.1.0+11`
+
+ - **FIX**: add logging dependency.
+
+
+## 2024-07-11
+
+### Changes
+
+---
+
+Packages with breaking changes:
+
+ - There are no breaking changes in this release.
+
+Packages with other changes:
+
+ - [`thermion_dart` - `v0.1.2`](#thermion_dart---v012)
+ - [`thermion_flutter_ffi` - `v0.1.0+10`](#thermion_flutter_ffi---v01010)
+ - [`thermion_flutter_web` - `v0.0.2`](#thermion_flutter_web---v002)
+ - [`thermion_flutter` - `v0.1.1+11`](#thermion_flutter---v01111)
+ - [`thermion_flutter_platform_interface` - `v0.1.0+10`](#thermion_flutter_platform_interface---v01010)
+
+Packages with dependency updates only:
+
+> Packages listed below depend on other packages in this workspace that have had changes. Their versions have been incremented to bump the minimum dependency versions of the packages they depend upon in this project.
+
+ - `thermion_flutter` - `v0.1.1+11`
+ - `thermion_flutter_platform_interface` - `v0.1.0+10`
+
+---
+
+#### `thermion_dart` - `v0.1.2`
+
+ - **FIX**: manually remove leading slash for compiler path on Windows when building for Android.
+ - **FIX**: web/JS bool checks need to compare to int.
+ - **FIX**: shadow JS<->WASM bridge methods.
+ - **FEAT**: allow passing assetPathPrefix to ThermionViewerWasm to account for Flutter build asset paths.
+
+#### `thermion_flutter_ffi` - `v0.1.0+10`
+
+ - **FIX**: web/JS bool checks need to compare to int.
+
+#### `thermion_flutter_web` - `v0.0.2`
+
+ - **FEAT**: allow passing assetPathPrefix to ThermionViewerWasm to account for Flutter build asset paths.
+
+
 ## 2024-07-04
 
 ### Changes

docs.json

@@ -12,7 +12,7 @@
     ],
     ["Misc.", [
       ["Playground", "https://dartpad.thermion.dev"],
-      ["Examples", "/examples"],
+      ["Showcase", "/showcase"],
       ["Windows", "/windows"],
       ["Android", "/android"],
       ["Contributing", "/contributing"],

docs/quickstart.mdx

@@ -40,7 +40,7 @@ and change the minimum deployment target to 13.0:
 </Accordion>
 
 <Accordion title="Click to open Windows instructions">
-See the [/windows](/Windows) page for steps needed to build on Windows.
+See the [/windows](/windows) page for steps needed to build on Windows.
 </Accordion>
 
 

thermion_dart/CHANGELOG.md

@@ -1,3 +1,10 @@
+## 0.1.2
+
+ - **FIX**: manually remove leading slash for compiler path on Windows when building for Android.
+ - **FIX**: web/JS bool checks need to compare to int.
+ - **FIX**: shadow JS<->WASM bridge methods.
+ - **FEAT**: allow passing assetPathPrefix to ThermionViewerWasm to account for Flutter build asset paths.
+
 ## 0.1.1+5
 
  - Bump "thermion_dart" to `0.1.1+5`.

thermion_dart/example/README.md

@@ -0,0 +1 @@
+For an example with both pure Dart and Flutter, see the [example repository](https://github.com/nmfisher/thermion_examples).

thermion_dart/hook/build.dart

@@ -176,9 +176,17 @@ void main(List<String> args) async {
           Architecture.ia32 => "i686-linux-android",
           _ => throw FormatException('Invalid')
         };
-        var ndkRoot = File(config.cCompiler.compiler!.path).parent.parent.path;
+          
+        var compilerPath = config.cCompiler.compiler!.path;
+        
+        if(Platform.isWindows && compilerPath.startsWith("/")) {
+          compilerPath = compilerPath.substring(1);
+        }
+        
+        var ndkRoot = File(compilerPath).parent.parent.uri.toFilePath(windows:true);
+
         var stlPath =
-            File("$ndkRoot/sysroot/usr/lib/${archExtension}/libc++_shared.so");
+            File([ndkRoot, "sysroot", "usr", "lib", archExtension, "libc++_shared.so"].join(Platform.pathSeparator));
         output.addAsset(NativeCodeAsset(
             package: "thermion_dart",
             name: "libc++_shared.so",

thermion_dart/lib/thermion_dart/compatibility/native/thermion_dart.g.dart

@@ -368,6 +368,12 @@ external bool set_morph_animation(
   double frameLengthInMs,
 );
 
+@ffi.Native<ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Int)>()
+external void clear_morph_animation(
+  ffi.Pointer<ffi.Void> sceneManager,
+  int entity,
+);
+
 @ffi.Native<ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Int)>()
 external void reset_to_rest_pose(
   ffi.Pointer<ffi.Void> sceneManager,

thermion_dart/lib/thermion_dart/compatibility/web/interop/thermion_viewer_dart_bridge.dart

@@ -2,6 +2,7 @@
 library thermion_flutter_js;
 
 import 'dart:js_interop';
+import 'package:logging/logging.dart';
 import 'package:thermion_dart/thermion_dart/compatibility/web/interop/thermion_viewer_js_shim.dart';
 
 import 'package:vector_math/vector_math_64.dart' as v64;
@@ -21,6 +22,7 @@ import 'package:vector_math/vector_math_64.dart';
 ///
 @JSExport()
 class ThermionViewerJSDartBridge {
+  final _logger = Logger("ThermionViewerJSDartBridge");
   final ThermionViewer viewer;
 
   ThermionViewerJSDartBridge(this.viewer);
@@ -76,7 +78,7 @@ class ThermionViewerJSDartBridge {
 
   @JSExport()
   JSPromise loadIbl(String lightingPath, double intensity) {
-    print("Loading IBL from $lightingPath with intensity $intensity");
+    _logger.info("Loading IBL from $lightingPath with intensity $intensity");
     return viewer.loadIbl(lightingPath, intensity: intensity).toJS;
   }
 
@@ -130,13 +132,13 @@ class ThermionViewerJSDartBridge {
 
   @JSExport()
   JSPromise<JSNumber> loadGlb(String path, {int numInstances = 1}) {
-    print("Loading GLB from path $path with numInstances $numInstances");
+    _logger.info("Loading GLB from path $path with numInstances $numInstances");
     return viewer
         .loadGlb(path, numInstances: numInstances)
         .then((entity) => entity.toJS)
         .catchError((err) {
-          print("Error: $err");
-        }).toJS;
+      _logger.info("Error: $err");
+    }).toJS;
   }
 
   @JSExport()
@@ -224,6 +226,11 @@ class ThermionViewerJSDartBridge {
           .then((v) => v.toJS)
           .toJS;
 
+  @JSExport()
+  void clearMorphAnimationData(ThermionEntity entity) {
+    viewer.clearMorphAnimationData(entity);
+  }
+
   @JSExport()
   JSPromise setMorphAnimationData(
       ThermionEntity entity,
@@ -253,13 +260,13 @@ class ThermionViewerJSDartBridge {
         targetMeshNames: targetMeshNamesDart,
       )
           .onError((err, st) {
-        print("ERROR SETTING MORPH ANIMATION DATA : $err\n$st");
+        _logger.severe("ERROR SETTING MORPH ANIMATION DATA : $err\n$st");
         return null;
       });
       return result.toJS;
     } catch (err, st) {
-      print(err);
-      print(st);
+      _logger.severe(err);
+      _logger.severe(st);
       rethrow;
     }
   }
@@ -618,7 +625,7 @@ class ThermionViewerJSDartBridge {
         )
         .then((entities) => entities.map((entity) => entity.toJS).toList().toJS)
         .onError((e, st) async {
-      print("Error : $e\n$st");
+      _logger.severe("Error : $e\n$st");
       return <JSNumber>[].toJS;
     }).toJS;
   }
@@ -632,7 +639,7 @@ class ThermionViewerJSDartBridge {
         )
         .then((entity) => entity.toJS)
         .onError((e, st) async {
-      print("Error getChildEntity : $e\n$st");
+      _logger.severe("Error getChildEntity : $e\n$st");
       return 0.toJS;
     }).toJS;
   }
@@ -720,4 +727,20 @@ class ThermionViewerJSDartBridge {
       {JSFunction? callback, bool affectsTransform = false}) {
     throw UnimplementedError();
   }
+
+  @JSExport()
+  JSPromise setShadowsEnabled(bool enabled) {
+    return viewer.setShadowsEnabled(enabled).toJS;
+  }
+
+  @JSExport()
+  JSPromise setShadowType(int shadowType) {
+    return viewer.setShadowType(ShadowType.values[shadowType]).toJS;
+  }
+
+  @JSExport()
+  JSPromise setSoftShadowOptions(
+      double penumbraScale, double penumbraRatioScale) {
+    return viewer.setSoftShadowOptions(penumbraScale, penumbraRatioScale).toJS;
+  }
 }

thermion_dart/lib/thermion_dart/compatibility/web/interop/thermion_viewer_js.dart

@@ -3,6 +3,7 @@ import 'dart:js_interop_unsafe';
 import 'dart:math';
 
 import 'package:animation_tools_dart/animation_tools_dart.dart';
+import 'package:logging/logging.dart';
 import 'package:thermion_dart/thermion_dart/scene.dart';
 import 'package:thermion_dart/thermion_dart/thermion_viewer.dart';
 
@@ -15,6 +16,7 @@ import 'thermion_viewer_js_shim.dart';
 /// a corresponding Javascript shim implementation (see [ThermionViewerJSShim]).
 ///
 class ThermionViewerJS implements ThermionViewer {
+  final _logger = Logger("ThermionViewerJS");
   late final ThermionViewerJSShim _shim;
 
   ThermionViewerJS.fromGlobalProperty(String globalPropertyName) {
@@ -261,6 +263,11 @@ class ThermionViewerJS implements ThermionViewer {
         .toDartDouble;
   }
 
+  @override
+  Future<void> clearMorphAnimationData(ThermionEntity entity) async {
+    _shim.clearMorphAnimationData(entity);
+  }
+
   @override
   Future<void> setMorphAnimationData(
       ThermionEntity entity, MorphAnimationData animation,
@@ -282,8 +289,8 @@ class ThermionViewerJS implements ThermionViewer {
               targetMeshNamesJS, animation.frameLengthInMs)
           .toDart;
     } catch (err, st) {
-      print(err);
-      print(st);
+      _logger.severe(err);
+      _logger.severe(st);
       rethrow;
     }
   }
@@ -829,7 +836,7 @@ class ThermionViewerJS implements ThermionViewer {
 
   @override
   Future setShadowType(ShadowType shadowType) {
-    return _shim.setShadowType(shadowType).toDart;
+    return _shim.setShadowType(shadowType.index).toDart;
   }
 
   @override

thermion_dart/lib/thermion_dart/compatibility/web/interop/thermion_viewer_js_shim.dart

@@ -10,7 +10,6 @@ import 'package:thermion_dart/thermion_dart/thermion_viewer.dart';
 /// Javascript shim implementation of the [ThermionViewer] interface.
 ///
 extension type ThermionViewerJSShim(JSObject _) implements JSObject {
-  
   @JS('initialized')
   external JSPromise<JSBoolean> get initialized;
 
@@ -136,6 +135,9 @@ extension type ThermionViewerJSShim(JSObject _) implements JSObject {
   external JSPromise<JSNumber> getAnimationDuration(
       ThermionEntity entity, int animationIndex);
 
+  @JS('clearMorphAnimationData')
+  external void clearMorphAnimationData(ThermionEntity entity);
+
   @JS('setMorphAnimationData')
   external JSPromise setMorphAnimationData(
       ThermionEntity entity,
@@ -403,19 +405,16 @@ extension type ThermionViewerJSShim(JSObject _) implements JSObject {
       ThermionEntity entity, JSArray<JSNumber> transform);
 
   @JS('setBoneTransform')
-  external JSPromise setBoneTransform(
-      ThermionEntity entity, int boneIndex, JSArray<JSNumber> transform, int skinIndex);
+  external JSPromise setBoneTransform(ThermionEntity entity, int boneIndex,
+      JSArray<JSNumber> transform, int skinIndex);
 
   @JS('setShadowsEnabled')
-  external JSPromise setShadowsEnabled(
-      bool enabled);
+  external JSPromise setShadowsEnabled(bool enabled);
 
   @JS('setShadowType')
-  external JSPromise setShadowType(
-      ShadowType shadowType);
+  external JSPromise setShadowType(int shadowType);
 
   @JS('setSoftShadowOptions')
   external JSPromise setSoftShadowOptions(
       double penumbraScale, double penumbraRatioScale);
 }
-

thermion_dart/lib/thermion_dart/compatibility/web/interop/thermion_viewer_wasm.dart

@@ -4,6 +4,7 @@ import 'dart:js_interop_unsafe';
 import 'dart:math';
 import 'dart:typed_data' as td;
 import 'dart:typed_data';
+import 'package:logging/logging.dart';
 import 'package:thermion_dart/thermion_dart/scene.dart';
 import 'package:web/web.dart';
 import 'package:animation_tools_dart/animation_tools_dart.dart';
@@ -35,19 +36,48 @@ extension type _EmscriptenModule(JSObject _) implements JSObject {
 
 typedef ThermionViewerImpl = ThermionViewerWasm;
 
-
 ///
-/// A [ThermionViewer] implementation that forwards calls to
-/// the (Emscripten-generated) ThermionDart JS module.
+/// A [ThermionViewer] implementation that forwards calls to the
+/// (Emscripten-generated) ThermionDart JS module.
 ///
 class ThermionViewerWasm implements ThermionViewer {
+  final _logger = Logger("ThermionViewerWasm");
+
   late _EmscriptenModule _module;
 
   bool _initialized = false;
   bool _rendering = false;
 
-  ThermionViewerWasm({JSObject? module, String moduleName = "thermion_dart"}) {
-    _module = module as _EmscriptenModule? ?? window.getProperty<_EmscriptenModule>(moduleName.toJS);
+  ///
+  /// Construct an instance of this class by explicitly passing the
+  /// module instance via the [module] property, or by specifying [moduleName],
+  /// being the name of the window property where the module has already been
+  /// loaded.
+  ///
+  /// Pass [assetPathPrefix] if you need to prepend a path to all asset paths
+  /// (e.g. on Flutter where the asset directory /foo is actually shipped under
+  /// the directory /assets/foo, you would construct this as:
+  ///
+  /// final viewer = ThermionViewerWasm(assetPathPrefix:"/assets/")
+  ///
+  ThermionViewerWasm(
+      {JSObject? module,
+      String moduleName = "thermion_dart",
+      String? assetPathPrefix}) {
+    _module = module as _EmscriptenModule? ??
+        window.getProperty<_EmscriptenModule>(moduleName.toJS);
+    if (assetPathPrefix != null) {
+      _setAssetPathPrefix(assetPathPrefix);
+    }
+  }
+
+  void _setAssetPathPrefix(String assetPathPrefix) {
+    _module.ccall(
+        "thermion_dart_web_set_asset_path_prefix",
+        "void",
+        <JSString>["string".toJS].toJS,
+        <JSAny>[assetPathPrefix.toJS].toJS,
+        null);
   }
 
   JSNumber? _viewer;
@@ -758,6 +788,27 @@ class ThermionViewerWasm implements ThermionViewer {
         null);
   }
 
+  @override
+  Future clearMorphAnimationData(
+      ThermionEntity entity) async {
+    var meshEntities = await getChildEntities(entity, false);
+    for(final childEntity in meshEntities) {
+          _module.ccall(
+            "clear_morph_animation",
+            "void",
+            [
+              "void*".toJS,
+              "int".toJS,
+            ].toJS,
+            [
+              _sceneManager!,
+              childEntity.toJS,
+            ].toJS,
+            null);
+    }
+
+  }
+
   @override
   Future setMorphAnimationData(
       ThermionEntity entity, MorphAnimationData animation,
@@ -785,7 +836,7 @@ class ThermionViewerWasm implements ThermionViewer {
       var meshEntity = meshEntities[i];
 
       if (targetMeshNames?.contains(meshName) == false) {
-        // print("Skipping $meshName, not contained in target");
+        // _logger.info("Skipping $meshName, not contained in target");
         continue;
       }
 
@@ -793,7 +844,7 @@ class ThermionViewerWasm implements ThermionViewer {
 
       var meshMorphTargets = await getMorphTargetNames(entity, meshEntity);
 
-      print("Got mesh morph targets ${meshMorphTargets}");
+      _logger.info("Got mesh morph targets ${meshMorphTargets}");
 
       var intersection = animation.morphTargets
           .toSet()
@@ -835,35 +886,42 @@ class ThermionViewerWasm implements ThermionViewer {
       // Copy the morph indices to WASM
       _module.writeArrayToMemory(
           idxList.buffer.asUint8List(idxList.offsetInBytes).toJS, idxPtr);
-
-      var result = _module.ccall(
-          "set_morph_animation",
-          "bool",
-          [
-            "void*".toJS,
-            "int".toJS,
-            "float*".toJS,
-            "int*".toJS,
-            "int".toJS,
-            "int".toJS,
-            "float".toJS
-          ].toJS,
-          [
-            _sceneManager!,
-            meshEntity.toJS,
-            dataPtr,
-            idxPtr,
-            indices.length.toJS,
-            animation.numFrames.toJS,
-            animation.frameLengthInMs.toJS
-          ].toJS,
-          null) as JSBoolean;
+      bool result = false;
+      try {
+        var jsResult = _module.ccall(
+            "set_morph_animation",
+            "bool",
+            [
+              "void*".toJS,
+              "int".toJS,
+              "float*".toJS,
+              "int*".toJS,
+              "int".toJS,
+              "int".toJS,
+              "float".toJS
+            ].toJS,
+            [
+              _sceneManager!,
+              meshEntity.toJS,
+              dataPtr,
+              idxPtr,
+              indices.length.toJS,
+              animation.numFrames.toJS,
+              animation.frameLengthInMs.toJS
+            ].toJS,
+            null);
+        _logger.info("Got jsResult $jsResult");
+        result = (jsResult as JSNumber).toDartInt == 1;
+      } catch (err, st) {
+        _logger.severe(err);
+        _logger.severe(st);
+      }
 
       // Free the memory allocated in WASM
       _module._free(dataPtr);
       _module._free(idxPtr);
 
-      if (!result.toDart) {
+      if (!result) {
         throw Exception("Failed to set morph animation data for ${meshName}");
       }
     }
@@ -1850,26 +1908,19 @@ class ThermionViewerWasm implements ThermionViewer {
 
   @override
   Future setShadowType(ShadowType shadowType) async {
-      _module.ccall(
-        "set_shadow_type",
-        "void",
-        ["void*".toJS, "int".toJS].toJS,
-        [_viewer!, shadowType.index.toJS].toJS,
-        null);
+    _module.ccall("set_shadow_type", "void", ["void*".toJS, "int".toJS].toJS,
+        [_viewer!, shadowType.index.toJS].toJS, null);
   }
 
   @override
   Future setShadowsEnabled(bool enabled) async {
-    _module.ccall(
-        "set_shadows_enabled",
-        "void",
-        ["void*".toJS, "bool".toJS].toJS,
-        [_viewer!, enabled.toJS].toJS,
-        null);
+    _module.ccall("set_shadows_enabled", "void",
+        ["void*".toJS, "bool".toJS].toJS, [_viewer!, enabled.toJS].toJS, null);
   }
 
   @override
-  Future setSoftShadowOptions(double penumbraScale, double penumbraRatioScale) async {
+  Future setSoftShadowOptions(
+      double penumbraScale, double penumbraRatioScale) async {
     _module.ccall(
         "set_soft_shadow_options",
         "void",

thermion_dart/lib/thermion_dart/thermion_viewer.dart

@@ -269,6 +269,12 @@ abstract class ThermionViewer {
       ThermionEntity entity, MorphAnimationData animation,
       {List<String>? targetMeshNames});
 
+  ///
+  /// Clear all current morph animations for [entity]. 
+  ///
+  Future clearMorphAnimationData(
+      ThermionEntity entity);
+
   ///
   /// Resets all bones in the given entity to their rest pose.
   /// This should be done before every call to addBoneAnimation.

thermion_dart/lib/thermion_dart/thermion_viewer_ffi.dart

@@ -599,6 +599,18 @@ class ThermionViewerFFI extends ThermionViewer {
     return getAnimationDuration(entity, index);
   }
 
+  Future clearMorphAnimationData(ThermionEntity entity) async {
+    var meshEntities = await getChildEntities(entity, true);
+
+    for(final childEntity in meshEntities) {
+        clear_morph_animation(
+          _sceneManager!,
+          childEntity);
+    }
+
+
+  }
+
   ///
   ///
   ///

thermion_dart/lib/thermion_dart/thermion_viewer_stub.dart

@@ -586,6 +586,11 @@ class ThermionViewerStub extends ThermionViewer {
     throw UnimplementedError();
   }
 
+  @override
+  Future clearMorphAnimationData(ThermionEntity entity) {
+    throw UnimplementedError();
+  }
+
   @override
   Future setMorphAnimationData(
       ThermionEntity entity, MorphAnimationData animation,

thermion_dart/native/include/SceneManager.hpp

@@ -87,6 +87,9 @@ namespace thermion_filament
             int numFrames,
             float frameLengthInMs);
 
+        void clearMorphAnimationBuffer(
+            EntityId entityId);
+
         bool setMorphTargetWeights(EntityId entityId, const float *const weights, int count);
 
         math::mat4f getLocalTransform(EntityId entityId);

thermion_dart/native/include/ThermionDartApi.h

@@ -136,6 +136,9 @@ extern "C"
 		int numMorphTargets,
 		int numFrames,
 		float frameLengthInMs);
+	EMSCRIPTEN_KEEPALIVE void clear_morph_animation(
+		void *sceneManager,
+		EntityId entity);
 
 	EMSCRIPTEN_KEEPALIVE void reset_to_rest_pose(
 		void *sceneManager,

thermion_dart/native/src/SceneManager.cpp

@@ -781,6 +781,27 @@ namespace thermion_filament
         return true;
     }
 
+     void SceneManager::clearMorphAnimationBuffer(
+        EntityId entityId)
+    {
+        std::lock_guard lock(_mutex);
+
+        auto entity = Entity::import(entityId);
+
+        if (entity.isNull())
+        {
+            Log("ERROR: invalid entity %d.", entityId);
+            return;
+        }
+
+        auto animationComponentInstance = _animationComponentManager->getInstance(entity);
+        auto &animationComponent = _animationComponentManager->elementAt<0>(animationComponentInstance);
+        auto &morphAnimations = animationComponent.morphAnimations;
+
+        morphAnimations.clear();
+        return;
+    }
+
     bool SceneManager::setMaterialColor(EntityId entityId, const char *meshName, int materialIndex, const float r, const float g, const float b, const float a)
     {
 

thermion_dart/native/src/ThermionDartApi.cpp

@@ -405,7 +405,7 @@ extern "C"
         return ((SceneManager *)sceneManager)->setMorphTargetWeights(asset, weights, numWeights);
     }
 
-    bool set_morph_animation(
+    EMSCRIPTEN_KEEPALIVE bool set_morph_animation(
         void *sceneManager,
         EntityId asset,
         const float *const morphData,
@@ -418,6 +418,10 @@ extern "C"
         return result;
     }
 
+    EMSCRIPTEN_KEEPALIVE void clear_morph_animation(void* sceneManager, EntityId asset) {
+        ((SceneManager *)sceneManager)->clearMorphAnimationBuffer(asset);
+    }
+
     EMSCRIPTEN_KEEPALIVE void reset_to_rest_pose(void *sceneManager, EntityId entityId)
     {
         ((SceneManager *)sceneManager)->resetBones(entityId);

thermion_dart/native/web/src/cpp/ThermionDartWebApi.cpp

@@ -15,37 +15,6 @@
 #include <emscripten/val.h>
 #include <emscripten/fetch.h>
 
-class PendingCall
-{
-public:
-  PendingCall()
-  {
-  }
-  ~PendingCall() {}
-
-  void Wait()
-  {
-    std::future<int32_t> accumulate_future = prom.get_future();
-    std::cout << "Loaded asset from Flutter of length " << accumulate_future.get() << std::endl;
-  }
-
-  void HandleResponse(void* data, int32_t length)
-  {
-    this->data = data;
-    this->length = length;
-    prom.set_value(length);
-  }
-void* data = nullptr;
-int32_t length = 0;
-
-private:
-  std::mutex mutex_;
-  std::condition_variable cv_;
-  bool notified_ = false;
-  std::promise<int32_t> prom;
-
-};
-
 using emscripten::val;
 
 extern "C"
@@ -60,8 +29,10 @@ extern "C"
   //   return 0;
   // }
 
-  EMSCRIPTEN_KEEPALIVE void thermion_filament_web_load_resource_callback(void* data, int32_t length, void* context) {
-    ((PendingCall*)context)->HandleResponse(data, length);
+  std::string _assetPathPrefix;
+
+  EMSCRIPTEN_KEEPALIVE void thermion_dart_web_set_asset_path_prefix(const char* prefix) {
+    _assetPathPrefix = std::string(prefix);
   }
 
   EMSCRIPTEN_KEEPALIVE EMSCRIPTEN_WEBGL_CONTEXT_HANDLE thermion_dart_web_create_gl_context() {
@@ -160,7 +131,7 @@ extern "C"
     // memcpy(data, request->data, request->numBytes);
     // emscripten_fetch_close(request);
     // return ResourceBuffer { data, (int32_t) request->numBytes, _lastResourceId  } ;
-    auto pathString = std::string(path);
+    auto pathString = _assetPathPrefix + std::string(path);
     void* data = nullptr;
     int32_t numBytes = 0;
 
@@ -199,12 +170,10 @@ extern "C"
       EM_ASM({
           var filename = UTF8ToString($0);
           var data = new Uint8Array(HEAPU8.subarray($1, $1 + $2));
-          console.log('Analyinzg /indexed');
 
           // Ensure the '/indexed' directory exists
           if (!FS.analyzePath('/indexed').exists) {
               FS.mkdir('/indexed');
-              console.log('Made dir /indexed');
           }
                 
           // Create all parent directories
@@ -214,13 +183,10 @@ extern "C"
               currentPath += '/' + parts[i];
               if (!FS.analyzePath(currentPath).exists) {
                   FS.mkdir(currentPath);
-                  console.log("Made dir " + currentPath);
               }
           }
-          console.log('Writing file to /indexed/' + filename);
           // Write the file
           FS.writeFile('/indexed/' + filename, data);
-          console.log('File written, syncing');
           
           FS.syncfs(false, function (err) {
               if (err) {

thermion_dart/pubspec.yaml

@@ -1,6 +1,6 @@
 name: thermion_dart
 description: 3D rendering toolkit for Dart.
-version: 0.1.1+5
+version: 0.1.2
 homepage: https://thermion.dev
 repository: https://github.com/nmfisher/thermion
 

thermion_flutter/thermion_flutter/CHANGELOG.md

@@ -1,3 +1,11 @@
+## 0.1.1+12
+
+ - Update a dependency to the latest release.
+
+## 0.1.1+11
+
+ - Update a dependency to the latest release.
+
 ## 0.1.1+10
 
  - Update a dependency to the latest release.

thermion_flutter/thermion_flutter/example/README.md

@@ -0,0 +1,96 @@
+For a more thorough example with both Flutter and pure Dart, see the [example repository](https://github.com/nmfisher/thermion_examples).
+
+[flutter/quickstart/lib/main.dart](https://github.com/nmfisher/thermion_examples/blob/master/flutter/quickstart/lib/main.dart)
+
+```dart
+import 'package:flutter/material.dart';
+import 'package:thermion_flutter/thermion_flutter.dart';
+
+import 'package:vector_math/vector_math_64.dart' as v;
+import 'dart:math';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        useMaterial3: true,
+      ),
+      home: const MyHomePage(title: 'Flutter Demo Home Page'),
+    );
+  }
+}
+
+class MyHomePage extends StatefulWidget {
+  const MyHomePage({super.key, required this.title});
+  final String title;
+
+  @override
+  State<MyHomePage> createState() => _MyHomePageState();
+}
+
+class _MyHomePageState extends State<MyHomePage> {
+  bool _loaded = false;
+  ThermionViewer? _thermionViewer;
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  Future _load() async {
+    var viewer = await ThermionFlutterPlugin.createViewer();
+    _thermionViewer = viewer;
+    _thermionViewer!.loadSkybox("assets/default_env_skybox.ktx");
+    _thermionViewer!.loadGlb("assets/cube.glb");
+
+    _thermionViewer!.setCameraPosition(0, 1, 10);
+    _thermionViewer!.setCameraRotation(
+        v.Quaternion.axisAngle(v.Vector3(1, 0, 0), -30 / 180 * pi) *
+            v.Quaternion.axisAngle(v.Vector3(0, 1, 0), 15 / 180 * pi));
+    _thermionViewer!.addLight(LightType.SUN, 7500, 50000, 0, 0, 0, 1, -1, -1);
+    _thermionViewer!.setRendering(true);
+    _loaded = true;
+
+    setState(() {});
+  }
+
+  Future _unload() async {
+    var viewer = _thermionViewer!;
+    _thermionViewer = null;
+    setState(() {});
+    await viewer.dispose();
+    _loaded = false;
+    setState(() {});
+  }
+
+  Widget _loadButton() {
+    return Center(
+        child: ElevatedButton(child: const Text("Load"), onPressed: _load));
+  }
+
+  Widget _unloadButton() {
+    return Center(
+        child: ElevatedButton(child: const Text("Unload"), onPressed: _unload));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Stack(children: [
+      if (_thermionViewer != null)
+        Positioned.fill(child: ThermionWidget(viewer: _thermionViewer!)),
+      if (!_loaded) _loadButton(),
+      if (_loaded) _unloadButton(),
+    ]);
+  }
+}
+```
+

thermion_flutter/thermion_flutter/pubspec.yaml

@@ -1,6 +1,6 @@
 name: thermion_flutter
 description: Flutter plugin for 3D rendering with the Thermion toolkit.
-version: 0.1.1+10
+version: 0.1.1+12
 homepage: https://thermion.dev
 repository: https://github.com/nmfisher/thermion
 
@@ -17,10 +17,10 @@ dependencies:
   plugin_platform_interface: ^2.0.0
   ffi: ^2.1.2
   animation_tools_dart: ^0.0.4
-  thermion_dart: ^0.1.1+5
-  thermion_flutter_platform_interface: ^0.1.0+9
-  thermion_flutter_ffi: ^0.1.0+9
-  thermion_flutter_web: ^0.0.1+9
+  thermion_dart: ^0.1.2
+  thermion_flutter_platform_interface: ^0.1.0+10
+  thermion_flutter_ffi: ^0.1.0+11
+  thermion_flutter_web: ^0.0.2
   logging: ^1.2.0
 
 dev_dependencies:

thermion_flutter/thermion_flutter_ffi/CHANGELOG.md

@@ -1,3 +1,11 @@
+## 0.1.0+11
+
+ - **FIX**: add logging dependency.
+
+## 0.1.0+10
+
+ - **FIX**: web/JS bool checks need to compare to int.
+
 ## 0.1.0+9
 
  - Update a dependency to the latest release.

thermion_flutter/thermion_flutter_ffi/lib/thermion_flutter_ffi.dart

@@ -5,6 +5,7 @@ import 'package:thermion_dart/thermion_dart.dart';
 import 'package:thermion_dart/thermion_dart/thermion_viewer_ffi.dart';
 import 'package:thermion_flutter_platform_interface/thermion_flutter_platform_interface.dart';
 import 'package:thermion_flutter_platform_interface/thermion_flutter_texture.dart';
+import 'package:logging/logging.dart';
 
 ///
 /// An implementation of [ThermionFlutterPlatform] that uses a Flutter platform
@@ -13,6 +14,7 @@ import 'package:thermion_flutter_platform_interface/thermion_flutter_texture.dar
 ///
 class ThermionFlutterFFI extends ThermionFlutterPlatform {
   final _channel = const MethodChannel("dev.thermion.flutter/event");
+  final _logger = Logger("ThermionFlutterFFI");
 
   ThermionViewerFFI? _viewer;
 
@@ -133,7 +135,7 @@ class ThermionFlutterFFI extends ThermionFlutterPlatform {
     final hardwareTextureId = result[1] as int?;
     final surfaceAddress = result[2] as int?;
 
-    print(
+    _logger.info(
         "Created texture with flutter texture id ${flutterTextureId}, hardwareTextureId $hardwareTextureId and surfaceAddress $surfaceAddress");
 
     _viewer?.viewportDimensions = (width.toDouble(), height.toDouble());

thermion_flutter/thermion_flutter_ffi/pubspec.yaml

@@ -1,7 +1,7 @@
 name: thermion_flutter_ffi
 description: An FFI interface for the thermion_flutter plugin (all platforms except web).
 repository: https://github.com/nmfisher/thermion_flutter/thermion_flutter
-version: 0.1.0+9
+version: 0.1.0+11
 
 environment:
   sdk: ">=3.3.0 <4.0.0"
@@ -22,8 +22,9 @@ dependencies:
   flutter:
     sdk: flutter
   plugin_platform_interface: ^2.1.0
-  thermion_flutter_platform_interface: ^0.1.0+9
-  thermion_dart: ^0.1.1+5
+  thermion_flutter_platform_interface: ^0.1.0+10
+  thermion_dart: ^0.1.2
+  logging: ^1.2.0
 
 dev_dependencies:
   flutter_test:

thermion_flutter/thermion_flutter_platform_interface/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.1.0+10
+
+ - Update a dependency to the latest release.
+
 ## 0.1.0+9
 
  - Update a dependency to the latest release.

thermion_flutter/thermion_flutter_platform_interface/pubspec.yaml

@@ -1,7 +1,7 @@
 name: thermion_flutter_platform_interface
 description: A common platform interface for the thermion_flutter plugin.
 repository: https://github.com/nmfisher/thermion_flutter/thermion_flutter
-version: 0.1.0+9
+version: 0.1.0+10
 
 environment:
   sdk: ">=3.3.0 <4.0.0"
@@ -11,7 +11,7 @@ dependencies:
   flutter:
     sdk: flutter
   plugin_platform_interface: ^2.1.0
-  thermion_dart: ^0.1.1+5
+  thermion_dart: ^0.1.2
 
 dev_dependencies:
   flutter_test:

thermion_flutter/thermion_flutter_web/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.0.2
+
+ - **FEAT**: allow passing assetPathPrefix to ThermionViewerWasm to account for Flutter build asset paths.
+
 ## 0.0.1+9
 
  - Update a dependency to the latest release.

thermion_flutter/thermion_flutter_web/lib/thermion_flutter_web.dart

@@ -35,7 +35,7 @@ class ThermionFlutterWebPlugin extends ThermionFlutterPlatform {
     var width = window.innerWidth;
     var height = window.innerHeight;
 
-    var viewer = ThermionViewerWasm();
+    var viewer = ThermionViewerWasm(assetPathPrefix: "/assets/");
     await viewer.initialize(width, height, uberArchivePath: uberArchivePath);
     return viewer;
   }

thermion_flutter/thermion_flutter_web/pubspec.yaml

@@ -1,7 +1,7 @@
 name: thermion_flutter_web
 description: A web platform interface for the thermion_flutter plugin.
 repository: https://github.com/nmfisher/thermion_flutter/thermion_flutter
-version: 0.0.1+9
+version: 0.0.2
 
 environment:
   sdk: ">=3.3.0 <4.0.0"
@@ -20,8 +20,8 @@ dependencies:
     sdk: flutter
   plugin_platform_interface: ^2.1.0
   web: ^0.5.1
-  thermion_dart: ^0.1.1+5
-  thermion_flutter_platform_interface: ^0.1.0+9
+  thermion_dart: ^0.1.2
+  thermion_flutter_platform_interface: ^0.1.0+10
   flutter_web_plugins:
     sdk: flutter