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feat: allow passing assetPathPrefix to ThermionViewerWasm to account for Flutter build asset paths

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This commit is contained in:
Nick Fisher
2024-07-04 16:29:56 +08:00
parent d2fb40f317
commit 59bc309f5b
3 changed files with 47 additions and 61 deletions
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62
thermion_dart/lib/thermion_dart/compatibility/web/interop/thermion_viewer_wasm.dart
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@@ -35,10 +35,9 @@ 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 {
late _EmscriptenModule _module;
@@ -46,8 +45,36 @@ class ThermionViewerWasm implements ThermionViewer {
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;
@@ -1847,29 +1874,22 @@ class ThermionViewerWasm implements ThermionViewer {
// TODO: implement zoomUpdate
throw UnimplementedError();
}
@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",