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implement picker/getNameForEntity

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This commit is contained in:
Nick Fisher
2023-10-11 11:10:47 +08:00
parent 79292914d2
commit 98bcf5d7ad
25 changed files with 704 additions and 393 deletions
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110
lib/filament_controller_ffi.dart
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@@ -32,6 +32,9 @@ class FilamentControllerFFI extends FilamentController {
final String? uberArchivePath;
Stream<FilamentEntity> get pickResult => _pickResultController.stream;
final _pickResultController = StreamController<FilamentEntity>.broadcast();
///
/// This controller uses platform channels to bridge Dart with the C/C++ code for the Filament API.
/// Setting up the context/texture (since this is platform-specific) and the render ticker are platform-specific; all other methods are passed through by the platform channel to the methods specified in PolyvoxFilamentApi.h.
@@ -115,6 +118,14 @@ class FilamentControllerFFI extends FilamentController {
throw Exception(
"Do not call createViewer when a viewer has already been created without calling destroyViewer");
}
var loader = Pointer<ResourceLoaderWrapper>.fromAddress(
await _channel.invokeMethod("getResourceLoaderWrapper"));
if (loader == nullptr) {
throw Exception("Failed to get resource loader");
}
print("Using loader ${loader.address}");
size = ui.Size(width * _pixelRatio, height * _pixelRatio);
print("Creating viewer with size $size");
@@ -145,13 +156,12 @@ class FilamentControllerFFI extends FilamentController {
var sharedContext = await _channel.invokeMethod("getSharedContext");
print("Got shared context : $sharedContext");
var loader = await _channel.invokeMethod("getResourceLoaderWrapper");
_viewer = _lib.create_filament_viewer_ffi(
Pointer<Void>.fromAddress(sharedContext ?? 0),
driver,
uberArchivePath?.toNativeUtf8().cast<Char>() ?? nullptr,
Pointer<ResourceLoaderWrapper>.fromAddress(loader),
loader,
renderCallback,
renderCallbackOwner);
@@ -166,6 +176,7 @@ class FilamentControllerFFI extends FilamentController {
size.height.toInt());
if (nativeTexture != 0) {
assert(surfaceAddress == 0);
print("Creating render target from native texture $nativeTexture");
_lib.create_render_target_ffi(
_viewer!, nativeTexture, size.width.toInt(), size.height.toInt());
}
@@ -338,9 +349,6 @@ class FilamentControllerFFI extends FilamentController {
return asset;
}
///
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
///
@override
Future panStart(double x, double y) async {
if (_viewer == null || _resizing) {
@@ -349,9 +357,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.grab_begin(_viewer!, x * _pixelRatio, y * _pixelRatio, true);
}
///
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
///
@override
Future panUpdate(double x, double y) async {
if (_viewer == null || _resizing) {
@@ -360,9 +365,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.grab_update(_viewer!, x * _pixelRatio, y * _pixelRatio);
}
///
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
///
@override
Future panEnd() async {
if (_viewer == null || _resizing) {
@@ -371,9 +373,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.grab_end(_viewer!);
}
///
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
///
@override
Future rotateStart(double x, double y) async {
if (_viewer == null || _resizing) {
@@ -382,9 +381,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.grab_begin(_viewer!, x * _pixelRatio, y * _pixelRatio, false);
}
///
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
///
@override
Future rotateUpdate(double x, double y) async {
if (_viewer == null || _resizing) {
@@ -393,9 +389,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.grab_update(_viewer!, x * _pixelRatio, y * _pixelRatio);
}
///
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
///
@override
Future rotateEnd() async {
if (_viewer == null || _resizing) {
@@ -404,9 +397,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.grab_end(_viewer!);
}
///
/// Set the weights for all morph targets under node [meshName] in [asset] to [weights].
///
@override
Future setMorphTargetWeights(
FilamentEntity asset, String meshName, List<double> weights) async {
@@ -458,9 +448,6 @@ class FilamentControllerFFI extends FilamentController {
return names;
}
///
/// Returns the length (in seconds) of the animation at the given index.
///
@override
Future<double> getAnimationDuration(
FilamentEntity asset, int animationIndex) async {
@@ -473,9 +460,6 @@ class FilamentControllerFFI extends FilamentController {
return duration;
}
///
/// Create/start a dynamic morph target animation for [asset].
///
@override
Future setMorphAnimationData(
FilamentEntity asset, MorphAnimationData animation) async {
@@ -506,12 +490,6 @@ class FilamentControllerFFI extends FilamentController {
calloc.free(idxPtr);
}
///
/// Animates morph target weights/bone transforms (where each frame requires a duration of [frameLengthInMs].
/// [morphWeights] is a list of doubles in frame-major format.
/// Each frame is [numWeights] in length, and each entry is the weight to be applied to the morph target located at that index in the mesh primitive at that frame.
/// for now we only allow animating a single bone (though multiple skinned targets are supported)
///
@override
Future setBoneAnimation(
FilamentEntity asset, BoneAnimationData animation) async {
@@ -550,10 +528,6 @@ class FilamentControllerFFI extends FilamentController {
// calloc.free(data);
}
///
/// Removes/destroys the specified entity from the scene.
/// [asset] will no longer be a valid handle after this method is called; ensure you immediately discard all references once this method is complete.
///
@override
Future removeAsset(FilamentEntity asset) async {
if (_viewer == null || _resizing) {
@@ -562,10 +536,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.remove_asset_ffi(_viewer!, asset);
}
///
/// Removes/destroys all renderable entities from the scene (including cameras).
/// All [FilamentEntity] handles will no longer be valid after this method is called; ensure you immediately discard all references to all entities once this method is complete.
///
@override
Future clearAssets() async {
if (_viewer == null || _resizing) {
@@ -574,9 +544,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.clear_assets_ffi(_viewer!);
}
///
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
///
@override
Future zoomBegin() async {
if (_viewer == null || _resizing) {
@@ -585,9 +552,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.scroll_begin(_viewer!);
}
///
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
///
@override
Future zoomUpdate(double z) async {
if (_viewer == null || _resizing) {
@@ -596,9 +560,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.scroll_update(_viewer!, 0.0, 0.0, z);
}
///
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
///
@override
Future zoomEnd() async {
if (_viewer == null || _resizing) {
@@ -607,9 +568,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.scroll_end(_viewer!);
}
///
/// Schedules the glTF animation at [index] in [asset] to start playing on the next frame.
///
@override
Future playAnimation(FilamentEntity asset, int index,
{bool loop = false,
@@ -638,9 +596,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.stop_animation(_assetManager!, asset, animationIndex);
}
///
/// Sets the current scene camera to the glTF camera under [name] in [asset].
///
@override
Future setCamera(FilamentEntity asset, String? name) async {
if (_viewer == null || _resizing) {
@@ -653,9 +608,6 @@ class FilamentControllerFFI extends FilamentController {
}
}
///
/// Sets the tone mapping (requires postprocessing).
///
@override
Future setToneMapping(ToneMapper mapper) async {
if (_viewer == null || _resizing) {
@@ -665,9 +617,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.set_tone_mapping_ffi(_viewer!, mapper.index);
}
///
/// Enable/disable postprocessing.
///
@override
Future setPostProcessing(bool enabled) async {
if (_viewer == null || _resizing) {
@@ -677,9 +626,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.set_post_processing_ffi(_viewer!, enabled);
}
///
/// Sets the strength of the bloom.
///
@override
Future setBloom(double bloom) async {
if (_viewer == null || _resizing) {
@@ -716,9 +662,6 @@ class FilamentControllerFFI extends FilamentController {
_lib.move_camera_to_asset(_viewer!, asset);
}
///
/// Enables/disables frustum culling. Currently we don't expose a method for manipulating the camera projection/culling matrices so this is your only option to deal with unwanted near/far clipping.
///
@override
Future setViewFrustumCulling(bool enabled) async {
if (_viewer == null || _resizing) {
@@ -822,4 +765,31 @@ class FilamentControllerFFI extends FilamentController {
throw Exception("Failed to reveal mesh $meshName");
}
}
String? getNameForEntity(FilamentEntity entity) {
final result = _lib.get_name_for_entity(_assetManager!, entity);
if (result == nullptr) {
return null;
}
return result.cast<Utf8>().toDartString();
}
void pick(int x, int y) async {
if (_viewer == null || _resizing) {
throw Exception("No viewer available, ignoring");
}
final outPtr = calloc<EntityId>(1);
outPtr.value = 0;
print("height ${size.height.toInt()} y $y");
_lib.pick_ffi(_viewer!, x, size.height.toInt() - y, outPtr);
while (outPtr.value == 0) {
await Future.delayed(Duration(milliseconds: 100));
print("Waiting");
}
var entityId = outPtr.value;
_pickResultController.add(entityId);
calloc.free(outPtr);
}
}