initial work to re-implement FFI with background thread render loop
This commit is contained in:
Nick Fisher
@@ -63,7 +63,7 @@ class PolyvoxFilamentPluginWeb {
|
||||
case "createFilamentViewer":
|
||||
// if(viewer != nil) {
|
||||
// destroy_swap_chain(viewer)
|
||||
// delete_filament_viewer(viewer)
|
||||
// destroy_filament_viewer(viewer)
|
||||
// viewer = nil
|
||||
// }
|
||||
// let callback = make_resource_loader(loadResource, freeResource, Unmanaged.passUnretained(self).toOpaque())
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
import 'package:polyvox_filament/animations/morph_animation_data.dart';
|
||||
import 'package:polyvox_filament/filament_controller.dart';
|
||||
import 'package:polyvox_filament/filament_controller_method_channel.dart';
|
||||
|
||||
import 'package:flutter/foundation.dart';
|
||||
import 'package:vector_math/vector_math.dart';
|
||||
|
||||
@@ -1,11 +1,10 @@
|
||||
//
|
||||
// Frame weights for the morph targets specified in [morphNames] attached to mesh [meshName].
|
||||
// morphData is laid out as numFrames x numMorphTargets
|
||||
// where the weights are in the same order as [morphNames].
|
||||
// [morphNames] must be provided but is not used directly; this is only used to check that the eventual asset being animated contains the same morph targets in the same order.
|
||||
// A wrapper for morph target animation data.
|
||||
// [data] is laid out as numFrames x numMorphTargets (where each morph target is ordered according to [animatedMorphNames]).
|
||||
// [data] frame data for the morph weights used to animate the morph targets [animatedMorphNames] in mesh [meshName].
|
||||
// the morph targets specified in [morphNames] attached to mesh [meshName].
|
||||
// [animatedMorphNames] must be provided but is not used directly; this is only used to check that the eventual asset being animated contains the same morph targets in the same order.
|
||||
//
|
||||
import 'dart:typed_data';
|
||||
|
||||
class MorphAnimationData {
|
||||
final String meshName;
|
||||
final List<String> animatedMorphNames;
|
||||
|
||||
@@ -1,187 +1,50 @@
|
||||
import 'dart:async';
|
||||
import 'dart:ffi';
|
||||
import 'dart:io';
|
||||
import 'dart:ui' as ui;
|
||||
import 'package:flutter/services.dart';
|
||||
import 'package:polyvox_filament/animations/bone_animation_data.dart';
|
||||
import 'package:polyvox_filament/animations/morph_animation_data.dart';
|
||||
import 'package:polyvox_filament/generated_bindings_web.dart';
|
||||
import 'package:polyvox_filament/generated_bindings.dart';
|
||||
|
||||
typedef AssetManager = int;
|
||||
typedef FilamentEntity = int;
|
||||
const FilamentEntity FILAMENT_ASSET_ERROR = 0;
|
||||
|
||||
enum ToneMapper { ACES, FILMIC, LINEAR }
|
||||
|
||||
class FilamentController {
|
||||
late MethodChannel _channel = MethodChannel("app.polyvox.filament/event");
|
||||
|
||||
double _pixelRatio = 1.0;
|
||||
ui.Size size = ui.Size.zero;
|
||||
|
||||
int? _textureId;
|
||||
final _textureIdController = StreamController<int?>.broadcast();
|
||||
Stream<int?> get textureId => _textureIdController.stream;
|
||||
|
||||
Completer _isReadyForScene = Completer();
|
||||
Future get isReadyForScene => _isReadyForScene.future;
|
||||
|
||||
late AssetManager _assetManager;
|
||||
|
||||
int? _viewer;
|
||||
abstract class FilamentController {
|
||||
Stream<int?> get textureId;
|
||||
Future get isReadyForScene;
|
||||
Future setRendering(bool render);
|
||||
Future render();
|
||||
Future setFrameRate(int framerate);
|
||||
void setPixelRatio(double ratio);
|
||||
Future destroyViewer();
|
||||
Future destroyTexture();
|
||||
|
||||
///
|
||||
/// 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.
|
||||
///
|
||||
FilamentController() {
|
||||
_channel.setMethodCallHandler((call) async {
|
||||
throw Exception("Unknown method channel invocation ${call.method}");
|
||||
});
|
||||
}
|
||||
|
||||
Future setRendering(bool render) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
return _channel.invokeMethod("setRendering", render);
|
||||
}
|
||||
|
||||
Future render() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("render");
|
||||
}
|
||||
|
||||
Future setFrameRate(int framerate) async {
|
||||
await _channel.invokeMethod("setFrameInterval", 1.0 / framerate);
|
||||
}
|
||||
|
||||
void setPixelRatio(double ratio) {
|
||||
_pixelRatio = ratio;
|
||||
}
|
||||
|
||||
Future destroyViewer() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_viewer = null;
|
||||
await _channel.invokeMethod("destroyViewer");
|
||||
_isReadyForScene = Completer();
|
||||
}
|
||||
|
||||
Future destroyTexture() async {
|
||||
await _channel.invokeMethod("destroyTexture");
|
||||
_textureId = null;
|
||||
_assetManager = 0;
|
||||
_textureIdController.add(null);
|
||||
}
|
||||
|
||||
///
|
||||
/// The process for creating/initializing the Filament layer is as follows:
|
||||
/// You can insert a Filament viewport into the Flutter rendering hierarchy as follows:
|
||||
/// 1) Create a FilamentController
|
||||
/// 2) Insert a FilamentWidget into the rendering tree
|
||||
/// 3) Initially, this widget will only contain an empty Container. After the first frame is rendered, the widget itself will automatically call [createViewer] with the width/height from its constraints
|
||||
/// 4) The FilamentWidget will replace the empty Container with the Texture widget.
|
||||
/// 2) Insert a FilamentWidget into the rendering tree, passing this instance of FilamentController
|
||||
/// 3) Initially, the FilamentWidget will only contain an empty Container (by default, with a solid red background).
|
||||
/// This widget will render a single frame to get its actual size, then will itself call [createViewer]. You do not need to call [createViewer] yourself.
|
||||
/// This will dispatch a request to the native platform to create a hardware texture (Metal on iOS, OpenGL on Linux, GLES on Android and Windows) and a FilamentViewer (the main interface for manipulating the 3D scene) .
|
||||
/// 4) The FilamentController will notify FilamentWidget that a texture is available
|
||||
/// 5) The FilamentWidget will replace the empty Container with a Texture widget
|
||||
/// If you need to wait until a FilamentViewer has been created, [await] the [isReadyForScene] Future.
|
||||
///
|
||||
Future createViewer(int width, int height) async {
|
||||
if (_viewer != null) {
|
||||
throw Exception(
|
||||
"Viewer already exists, make sure you call destroyViewer first");
|
||||
}
|
||||
if (_isReadyForScene.isCompleted) {
|
||||
throw Exception(
|
||||
"Do not call createViewer when a viewer has already been created without calling destroyViewer");
|
||||
}
|
||||
size = ui.Size(width * _pixelRatio, height * _pixelRatio);
|
||||
Future createViewer(int width, int height);
|
||||
Future resize(int width, int height, {double contentScaleFactor = 1.0});
|
||||
|
||||
_textureId =
|
||||
await _channel.invokeMethod("createTexture", [size.width, size.height]);
|
||||
Future clearBackgroundImage();
|
||||
Future setBackgroundImage(String path, {bool fillHeight = false});
|
||||
|
||||
_viewer = await _channel
|
||||
.invokeMethod("createFilamentViewer", [size.width, size.height]);
|
||||
|
||||
await _channel.invokeMethod("updateViewportAndCameraProjection",
|
||||
[size.width.toInt(), size.height.toInt(), 1.0]);
|
||||
_assetManager = await _channel.invokeMethod("getAssetManager");
|
||||
|
||||
_textureIdController.add(_textureId);
|
||||
|
||||
_isReadyForScene.complete(true);
|
||||
}
|
||||
|
||||
bool _resizing = false;
|
||||
|
||||
Future resize(int width, int height,
|
||||
{double contentScaleFactor = 1.0}) async {
|
||||
_resizing = true;
|
||||
_textureId = await _channel.invokeMethod("resize",
|
||||
[width * _pixelRatio, height * _pixelRatio, contentScaleFactor]);
|
||||
_textureIdController.add(_textureId);
|
||||
_resizing = false;
|
||||
}
|
||||
|
||||
Future clearBackgroundImage() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("clearBackgroundImage");
|
||||
}
|
||||
|
||||
Future setBackgroundImage(String path, {bool fillHeight = false}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setBackgroundImage", [path, fillHeight]);
|
||||
}
|
||||
|
||||
Future setBackgroundColor(Color color) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setBackgroundColor", [
|
||||
color.red.toDouble() / 255.0,
|
||||
color.green.toDouble() / 255.0,
|
||||
color.blue.toDouble() / 255.0,
|
||||
color.alpha.toDouble() / 255.0
|
||||
]);
|
||||
}
|
||||
|
||||
Future setBackgroundImagePosition(double x, double y,
|
||||
{bool clamp = false}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("setBackgroundImagePosition", [x, y, clamp ? 1 : 0]);
|
||||
}
|
||||
|
||||
Future loadSkybox(String skyboxPath) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("loadSkybox", skyboxPath);
|
||||
}
|
||||
|
||||
Future loadIbl(String lightingPath, {double intensity = 30000}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("loadIbl", [lightingPath, intensity]);
|
||||
}
|
||||
|
||||
Future removeSkybox() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("removeSkybox");
|
||||
}
|
||||
|
||||
Future removeIbl() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("removeIbl");
|
||||
}
|
||||
Future setBackgroundColor(Color color);
|
||||
Future setBackgroundImagePosition(double x, double y, {bool clamp = false});
|
||||
Future loadSkybox(String skyboxPath);
|
||||
Future loadIbl(String lightingPath, {double intensity = 30000});
|
||||
Future removeSkybox();
|
||||
Future removeIbl();
|
||||
|
||||
// copied from LightManager.h
|
||||
// enum class Type : uint8_t {
|
||||
@@ -201,169 +64,45 @@ class FilamentController {
|
||||
double dirX,
|
||||
double dirY,
|
||||
double dirZ,
|
||||
bool castShadows) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var entity = await _channel.invokeMethod("addLight", [
|
||||
type,
|
||||
colour,
|
||||
intensity,
|
||||
posX,
|
||||
posY,
|
||||
posZ,
|
||||
dirX,
|
||||
dirY,
|
||||
dirZ,
|
||||
castShadows ? 1 : 0
|
||||
]);
|
||||
return entity as FilamentEntity;
|
||||
}
|
||||
bool castShadows);
|
||||
Future removeLight(FilamentEntity light);
|
||||
|
||||
Future removeLight(FilamentEntity light) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("removeLight", light);
|
||||
}
|
||||
Future clearLights();
|
||||
|
||||
Future clearLights() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("clearLights");
|
||||
}
|
||||
Future<FilamentEntity> loadGlb(String path, {bool unlit = false});
|
||||
|
||||
Future<FilamentEntity> loadGlb(String path, {bool unlit = false}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var asset =
|
||||
await _channel.invokeMethod("loadGlb", [_assetManager, path, unlit]);
|
||||
if (asset == FILAMENT_ASSET_ERROR) {
|
||||
throw Exception("An error occurred loading the asset at $path");
|
||||
}
|
||||
return asset;
|
||||
}
|
||||
Future<FilamentEntity> loadGltf(String path, String relativeResourcePath);
|
||||
|
||||
Future<FilamentEntity> loadGltf(
|
||||
String path, String relativeResourcePath) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var entity = await _channel
|
||||
.invokeMethod("loadGltf", [_assetManager, path, relativeResourcePath]);
|
||||
return entity as FilamentEntity;
|
||||
}
|
||||
Future panStart(double x, double y);
|
||||
Future panUpdate(double x, double y);
|
||||
Future panEnd();
|
||||
|
||||
Future panStart(double x, double y) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("grabBegin", [x * _pixelRatio, y * _pixelRatio, 1]);
|
||||
}
|
||||
Future rotateStart(double x, double y);
|
||||
|
||||
Future panUpdate(double x, double y) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("grabUpdate", [x * _pixelRatio, y * _pixelRatio]);
|
||||
}
|
||||
Future rotateUpdate(double x, double y);
|
||||
|
||||
Future panEnd() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("grabEnd");
|
||||
}
|
||||
|
||||
Future rotateStart(double x, double y) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("grabBegin", [x * _pixelRatio, y * _pixelRatio, 0]);
|
||||
}
|
||||
|
||||
Future rotateUpdate(double x, double y) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("grabUpdate", [x * _pixelRatio, y * _pixelRatio]);
|
||||
}
|
||||
|
||||
Future rotateEnd() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("grabEnd");
|
||||
}
|
||||
Future rotateEnd();
|
||||
|
||||
Future setMorphTargetWeights(
|
||||
FilamentEntity asset, String meshName, List<double> weights) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setMorphTargetWeights",
|
||||
[_assetManager, asset, meshName, weights, weights.length]);
|
||||
}
|
||||
FilamentEntity asset, String meshName, List<double> weights);
|
||||
|
||||
Future<List<String>> getMorphTargetNames(
|
||||
FilamentEntity asset, String meshName) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var names = await _channel
|
||||
.invokeMethod("getMorphTargetNames", [_assetManager, asset, meshName]);
|
||||
return names.cast<String>();
|
||||
}
|
||||
FilamentEntity asset, String meshName);
|
||||
|
||||
Future<List<String>> getAnimationNames(FilamentEntity asset) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var names = await _channel
|
||||
.invokeMethod("getAnimationNames", [_assetManager, asset]);
|
||||
return names.cast<String>();
|
||||
}
|
||||
Future<List<String>> getAnimationNames(FilamentEntity asset);
|
||||
|
||||
///
|
||||
/// Returns the length (in seconds) of the animation at the given index.
|
||||
///
|
||||
Future<double> getAnimationDuration(
|
||||
FilamentEntity asset, int animationIndex) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var duration = await _channel.invokeMethod(
|
||||
"getAnimationDuration", [_assetManager, asset, animationIndex]);
|
||||
return duration as double;
|
||||
}
|
||||
Future<double> getAnimationDuration(FilamentEntity asset, int animationIndex);
|
||||
|
||||
///
|
||||
/// 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.
|
||||
///
|
||||
Future setMorphAnimationData(
|
||||
FilamentEntity asset, MorphAnimationData animation) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setMorphAnimation", [
|
||||
_assetManager,
|
||||
asset,
|
||||
animation.meshName,
|
||||
animation.data,
|
||||
animation.animatedMorphIndices,
|
||||
animation.numMorphTargets,
|
||||
animation.numFrames,
|
||||
animation.frameLengthInMs
|
||||
]);
|
||||
}
|
||||
void setMorphAnimationData(
|
||||
FilamentEntity asset, MorphAnimationData animation);
|
||||
|
||||
///
|
||||
/// Animates morph target weights/bone transforms (where each frame requires a duration of [frameLengthInMs].
|
||||
@@ -371,272 +110,39 @@ class FilamentController {
|
||||
/// 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)
|
||||
///
|
||||
Future setBoneAnimation(
|
||||
FilamentEntity asset, BoneAnimationData animation) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
// var data = calloc<Float>(animation.frameData.length);
|
||||
// int offset = 0;
|
||||
// var numFrames = animation.frameData.length ~/ 7;
|
||||
// var boneNames = calloc<Pointer<Char>>(1);
|
||||
// boneNames.elementAt(0).value =
|
||||
// animation.boneName.toNativeUtf8().cast<Char>();
|
||||
|
||||
// var meshNames = calloc<Pointer<Char>>(animation.meshNames.length);
|
||||
// for (int i = 0; i < animation.meshNames.length; i++) {
|
||||
// meshNames.elementAt(i).value =
|
||||
// animation.meshNames[i].toNativeUtf8().cast<Char>();
|
||||
// }
|
||||
|
||||
// for (int i = 0; i < animation.frameData.length; i++) {
|
||||
// data.elementAt(offset).value = animation.frameData[i];
|
||||
// offset += 1;
|
||||
// }
|
||||
|
||||
// await _channel.invokeMethod("setBoneAnimation", [
|
||||
// _assetManager,
|
||||
// asset,
|
||||
// data,
|
||||
// numFrames,
|
||||
// 1,
|
||||
// boneNames,
|
||||
// meshNames,
|
||||
// animation.meshNames.length,
|
||||
// animation.frameLengthInMs
|
||||
// ]);
|
||||
// calloc.free(data);
|
||||
}
|
||||
|
||||
Future removeAsset(FilamentEntity asset) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("removeAsset", asset);
|
||||
}
|
||||
|
||||
Future clearAssets() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("clearAssets");
|
||||
}
|
||||
|
||||
Future zoomBegin() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("scrollBegin");
|
||||
}
|
||||
|
||||
Future zoomUpdate(double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("scrollUpdate", [0.0, 0.0, z]);
|
||||
}
|
||||
|
||||
Future zoomEnd() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("scrollEnd");
|
||||
}
|
||||
|
||||
Future playAnimation(FilamentEntity asset, int index,
|
||||
void setBoneAnimation(FilamentEntity asset, BoneAnimationData animation);
|
||||
void removeAsset(FilamentEntity asset);
|
||||
void clearAssets();
|
||||
void zoomBegin();
|
||||
void zoomUpdate(double z);
|
||||
void zoomEnd();
|
||||
void playAnimation(FilamentEntity asset, int index,
|
||||
{bool loop = false,
|
||||
bool reverse = false,
|
||||
bool replaceActive = true,
|
||||
double crossfade = 0.0}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("playAnimation",
|
||||
[_assetManager, asset, index, loop, reverse, replaceActive, crossfade]);
|
||||
}
|
||||
double crossfade = 0.0});
|
||||
void setAnimationFrame(FilamentEntity asset, int index, int animationFrame);
|
||||
void stopAnimation(FilamentEntity asset, int animationIndex);
|
||||
void setCamera(FilamentEntity asset, String? name);
|
||||
void setToneMapping(ToneMapper mapper);
|
||||
void setBloom(double bloom);
|
||||
void setCameraFocalLength(double focalLength);
|
||||
void setCameraFocusDistance(double focusDistance);
|
||||
void setCameraPosition(double x, double y, double z);
|
||||
void moveCameraToAsset(FilamentEntity asset);
|
||||
void setViewFrustumCulling(bool enabled);
|
||||
void setCameraExposure(
|
||||
double aperture, double shutterSpeed, double sensitivity);
|
||||
void setCameraRotation(double rads, double x, double y, double z);
|
||||
void setCameraModelMatrix(List<double> matrix);
|
||||
|
||||
Future setAnimationFrame(
|
||||
FilamentEntity asset, int index, int animationFrame) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod(
|
||||
"setAnimationFrame", [_assetManager, asset, index, animationFrame]);
|
||||
}
|
||||
|
||||
Future stopAnimation(FilamentEntity asset, int animationIndex) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("stopAnimation", [_assetManager, asset, animationIndex]);
|
||||
}
|
||||
|
||||
Future setCamera(FilamentEntity asset, String? name) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (await _channel.invokeMethod("setCamera", [asset, name]) != true) {
|
||||
throw Exception("Failed to set camera");
|
||||
}
|
||||
}
|
||||
|
||||
Future setToneMapping(ToneMapper mapper) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (!await _channel.invokeMethod("setToneMapping", mapper.index)) {
|
||||
throw Exception("Failed to set tone mapper");
|
||||
}
|
||||
}
|
||||
|
||||
Future setBloom(double bloom) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (!await _channel.invokeMethod("setBloom", bloom)) {
|
||||
throw Exception("Failed to set bloom");
|
||||
}
|
||||
}
|
||||
|
||||
Future setCameraFocalLength(double focalLength) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setCameraFocalLength", focalLength);
|
||||
}
|
||||
|
||||
Future setCameraFocusDistance(double focusDistance) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setCameraFocusDistance", focusDistance);
|
||||
}
|
||||
|
||||
Future setCameraPosition(double x, double y, double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setCameraPosition", [x, y, z]);
|
||||
}
|
||||
|
||||
Future moveCameraToAsset(FilamentEntity asset) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("moveCameraToAsset", asset);
|
||||
}
|
||||
|
||||
Future setViewFrustumCulling(bool enabled) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setViewFrustumCulling", enabled);
|
||||
}
|
||||
|
||||
Future setCameraExposure(
|
||||
double aperture, double shutterSpeed, double sensitivity) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod(
|
||||
"setCameraExposure", [aperture, shutterSpeed, sensitivity]);
|
||||
}
|
||||
|
||||
Future setCameraRotation(double rads, double x, double y, double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setCameraRotation", [rads, x, y, z]);
|
||||
}
|
||||
|
||||
Future setCameraModelMatrix(List<double> matrix) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
assert(matrix.length == 16);
|
||||
await _channel.invokeMethod("setCameraModelMatrix", matrix);
|
||||
}
|
||||
|
||||
Future setTexture(FilamentEntity asset, String assetPath,
|
||||
{int renderableIndex = 0}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setTexture", [_assetManager, asset]);
|
||||
}
|
||||
|
||||
Future setMaterialColor(FilamentEntity asset, String meshName,
|
||||
int materialIndex, Color color) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var result = await _channel.invokeMethod("setMaterialColor", [
|
||||
_assetManager,
|
||||
asset,
|
||||
meshName,
|
||||
materialIndex,
|
||||
[
|
||||
color.red.toDouble() / 255.0,
|
||||
color.green.toDouble() / 255.0,
|
||||
color.blue.toDouble() / 255.0,
|
||||
color.alpha.toDouble() / 255.0
|
||||
]
|
||||
]);
|
||||
if (!result) {
|
||||
throw Exception("Failed to set material color");
|
||||
}
|
||||
}
|
||||
|
||||
Future transformToUnitCube(FilamentEntity asset) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("transformToUnitCube", [_assetManager, asset]);
|
||||
}
|
||||
|
||||
Future setPosition(FilamentEntity asset, double x, double y, double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setPosition", [_assetManager, asset, x, y, z]);
|
||||
}
|
||||
|
||||
Future setScale(FilamentEntity asset, double scale) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setScale", [_assetManager, asset, scale]);
|
||||
}
|
||||
|
||||
Future setRotation(
|
||||
FilamentEntity asset, double rads, double x, double y, double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("setRotation", [_assetManager, asset, rads, x, y, z]);
|
||||
}
|
||||
|
||||
Future hide(FilamentEntity asset, String meshName) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (await _channel
|
||||
.invokeMethod("hideMesh", [_assetManager, asset, meshName]) !=
|
||||
1) {
|
||||
throw Exception("Failed to hide mesh $meshName");
|
||||
}
|
||||
}
|
||||
|
||||
Future reveal(FilamentEntity asset, String meshName) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (await _channel
|
||||
.invokeMethod("revealMesh", [_assetManager, asset, meshName]) !=
|
||||
1) {
|
||||
throw Exception("Failed to reveal mesh $meshName");
|
||||
}
|
||||
}
|
||||
void setMaterialColor(
|
||||
FilamentEntity asset, String meshName, int materialIndex, Color color);
|
||||
void transformToUnitCube(FilamentEntity asset);
|
||||
void setPosition(FilamentEntity asset, double x, double y, double z);
|
||||
void setScale(FilamentEntity asset, double scale);
|
||||
void setRotation(
|
||||
FilamentEntity asset, double rads, double x, double y, double z);
|
||||
void hide(FilamentEntity asset, String meshName);
|
||||
void reveal(FilamentEntity asset, String meshName);
|
||||
}
|
||||
|
||||
654
lib/filament_controller_ffi.dart
Normal file
654
lib/filament_controller_ffi.dart
Normal file
@@ -0,0 +1,654 @@
|
||||
import 'dart:async';
|
||||
import 'dart:ffi';
|
||||
import 'dart:io';
|
||||
import 'dart:typed_data';
|
||||
import 'dart:ui' as ui;
|
||||
import 'package:flutter/services.dart';
|
||||
import 'package:ffi/ffi.dart';
|
||||
import 'package:polyvox_filament/filament_controller.dart';
|
||||
import 'package:polyvox_filament/animations/bone_animation_data.dart';
|
||||
import 'package:polyvox_filament/animations/morph_animation_data.dart';
|
||||
import 'package:polyvox_filament/generated_bindings.dart';
|
||||
|
||||
class FilamentControllerFFI extends FilamentController {
|
||||
late MethodChannel _channel = MethodChannel("app.polyvox.filament/event");
|
||||
|
||||
double _pixelRatio = 1.0;
|
||||
ui.Size size = ui.Size.zero;
|
||||
|
||||
int? _textureId;
|
||||
final _textureIdController = StreamController<int?>.broadcast();
|
||||
Stream<int?> get textureId => _textureIdController.stream;
|
||||
|
||||
Completer _isReadyForScene = Completer();
|
||||
Future get isReadyForScene => _isReadyForScene.future;
|
||||
|
||||
late Pointer<Void>? _assetManager;
|
||||
|
||||
late NativeLibrary _lib;
|
||||
|
||||
Pointer<Void>? _viewer;
|
||||
|
||||
bool _resizing = false;
|
||||
|
||||
///
|
||||
/// 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.
|
||||
///
|
||||
FilamentControllerFFI() {
|
||||
_channel.setMethodCallHandler((call) async {
|
||||
throw Exception("Unknown method channel invocation ${call.method}");
|
||||
});
|
||||
_lib = NativeLibrary(Platform.isIOS || Platform.isMacOS
|
||||
? DynamicLibrary.process()
|
||||
: DynamicLibrary.open("libpolyvox_filament.so"));
|
||||
}
|
||||
|
||||
Future setRendering(bool render) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_rendering_ffi(_viewer!, render ? 1 : 0);
|
||||
}
|
||||
|
||||
Future render() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.render_ffi(_viewer!);
|
||||
}
|
||||
|
||||
Future setFrameRate(int framerate) async {
|
||||
await _channel.invokeMethod("setFrameInterval", 1.0 / framerate);
|
||||
}
|
||||
|
||||
void setPixelRatio(double ratio) {
|
||||
_pixelRatio = ratio;
|
||||
}
|
||||
|
||||
Future destroyViewer() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_viewer = null;
|
||||
_assetManager = null;
|
||||
_lib.destroy_filament_viewer_ffi(_viewer!);
|
||||
_isReadyForScene = Completer();
|
||||
}
|
||||
|
||||
Future destroyTexture() async {
|
||||
await _channel.invokeMethod("destroyTexture");
|
||||
_textureId = null;
|
||||
_textureIdController.add(null);
|
||||
}
|
||||
|
||||
///
|
||||
/// You can insert a Filament viewport into the Flutter rendering hierarchy as follows:
|
||||
/// 1) Create a FilamentController
|
||||
/// 2) Insert a FilamentWidget into the rendering tree, passing this instance of FilamentController
|
||||
/// 3) Initially, the FilamentWidget will only contain an empty Container (by default, with a solid red background).
|
||||
/// This widget will render a single frame to get its actual size, then will itself call [createViewer]. You do not need to call [createViewer] yourself.
|
||||
/// 4) The FilamentController
|
||||
/// 4) The FilamentWidget will replace the empty Container with a Texture widget
|
||||
/// If you need to wait
|
||||
///
|
||||
Future createViewer(int width, int height) async {
|
||||
if (_viewer != null) {
|
||||
throw Exception(
|
||||
"Viewer already exists, make sure you call destroyViewer first");
|
||||
}
|
||||
if (_isReadyForScene.isCompleted) {
|
||||
throw Exception(
|
||||
"Do not call createViewer when a viewer has already been created without calling destroyViewer");
|
||||
}
|
||||
size = ui.Size(width * _pixelRatio, height * _pixelRatio);
|
||||
|
||||
_textureId =
|
||||
await _channel.invokeMethod("createTexture", [size.width, size.height]);
|
||||
|
||||
var sharedContext = await _channel.invokeMethod("getSharedContext");
|
||||
var loader = await _channel.invokeMethod("getResourceLoaderWrapper");
|
||||
|
||||
_viewer = _lib.create_filament_viewer_ffi(
|
||||
Pointer<Void>.fromAddress(sharedContext ?? 0),
|
||||
Pointer<ResourceLoaderWrapper>.fromAddress(loader));
|
||||
_lib.update_viewport_and_camera_projection_ffi(
|
||||
_viewer!, width, height, 1.0);
|
||||
|
||||
_assetManager = _lib.get_asset_manager(_viewer!);
|
||||
|
||||
_textureIdController.add(_textureId);
|
||||
|
||||
_isReadyForScene.complete(true);
|
||||
}
|
||||
|
||||
Future resize(int width, int height,
|
||||
{double contentScaleFactor = 1.0}) async {
|
||||
_resizing = true;
|
||||
_textureId = await _channel.invokeMethod("resize",
|
||||
[width * _pixelRatio, height * _pixelRatio, contentScaleFactor]);
|
||||
_textureIdController.add(_textureId);
|
||||
_resizing = false;
|
||||
}
|
||||
|
||||
Future clearBackgroundImage() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.clear_background_image_ffi(_viewer!);
|
||||
}
|
||||
|
||||
Future setBackgroundImage(String path, {bool fillHeight = false}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_background_image_ffi(
|
||||
_viewer!, path.toNativeUtf8().cast<Char>(), fillHeight ? 1 : 0);
|
||||
}
|
||||
|
||||
Future setBackgroundColor(Color color) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_background_color_ffi(
|
||||
_viewer!,
|
||||
color.red.toDouble() / 255.0,
|
||||
color.green.toDouble() / 255.0,
|
||||
color.blue.toDouble() / 255.0,
|
||||
color.alpha.toDouble() / 255.0);
|
||||
}
|
||||
|
||||
Future setBackgroundImagePosition(double x, double y,
|
||||
{bool clamp = false}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_background_image_position_ffi(_viewer!, x, y, clamp ? 1 : 0);
|
||||
}
|
||||
|
||||
Future loadSkybox(String skyboxPath) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.load_skybox_ffi(_viewer!, skyboxPath.toNativeUtf8().cast<Char>());
|
||||
}
|
||||
|
||||
Future loadIbl(String lightingPath, {double intensity = 30000}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.load_ibl_ffi(
|
||||
_viewer!, lightingPath.toNativeUtf8().cast<Char>(), intensity);
|
||||
}
|
||||
|
||||
Future removeSkybox() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.remove_skybox_ffi(_viewer!);
|
||||
}
|
||||
|
||||
Future removeIbl() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.remove_ibl_ffi(_viewer!);
|
||||
}
|
||||
|
||||
Future<FilamentEntity> addLight(
|
||||
int type,
|
||||
double colour,
|
||||
double intensity,
|
||||
double posX,
|
||||
double posY,
|
||||
double posZ,
|
||||
double dirX,
|
||||
double dirY,
|
||||
double dirZ,
|
||||
bool castShadows) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var entity = _lib.add_light_ffi(_viewer!, type, colour, intensity, posX,
|
||||
posY, posZ, dirX, dirY, dirZ, castShadows ? 1 : 0);
|
||||
return entity;
|
||||
}
|
||||
|
||||
Future removeLight(FilamentEntity light) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.remove_light_ffi(_viewer!, light);
|
||||
}
|
||||
|
||||
Future clearLights() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.clear_lights_ffi(_viewer!);
|
||||
}
|
||||
|
||||
Future<FilamentEntity> loadGlb(String path, {bool unlit = false}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (unlit) {
|
||||
throw Exception("Not yet implemented");
|
||||
}
|
||||
var asset = _lib.load_glb_ffi(
|
||||
_assetManager!, path.toNativeUtf8().cast<Char>(), unlit ? 1 : 0);
|
||||
if (asset == FILAMENT_ASSET_ERROR) {
|
||||
throw Exception("An error occurred loading the asset at $path");
|
||||
}
|
||||
return asset;
|
||||
}
|
||||
|
||||
Future<FilamentEntity> loadGltf(
|
||||
String path, String relativeResourcePath) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var entity = _lib.load_gltf_ffi(
|
||||
_assetManager!,
|
||||
path.toNativeUtf8().cast<Char>(),
|
||||
relativeResourcePath.toNativeUtf8().cast<Char>());
|
||||
return entity;
|
||||
}
|
||||
|
||||
Future panStart(double x, double y) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.grab_begin(_viewer!, x * _pixelRatio, y * _pixelRatio, 1);
|
||||
}
|
||||
|
||||
Future panUpdate(double x, double y) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.grab_update(_viewer!, x * _pixelRatio, y * _pixelRatio);
|
||||
}
|
||||
|
||||
Future panEnd() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.grab_end(_viewer!);
|
||||
}
|
||||
|
||||
Future rotateStart(double x, double y) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.grab_begin(_viewer!, x * _pixelRatio, y * _pixelRatio, 0);
|
||||
}
|
||||
|
||||
Future rotateUpdate(double x, double y) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.grab_update(_viewer!, x * _pixelRatio, y * _pixelRatio);
|
||||
}
|
||||
|
||||
Future rotateEnd() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.grab_end(_viewer!);
|
||||
}
|
||||
|
||||
Future setMorphTargetWeights(
|
||||
FilamentEntity asset, String meshName, List<double> weights) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var weightsPtr = calloc<Float>(weights.length);
|
||||
|
||||
for (int i = 0; i < weights.length; i++) {
|
||||
weightsPtr.elementAt(i).value = weights[i];
|
||||
}
|
||||
_lib.set_morph_target_weights_ffi(_assetManager!, asset,
|
||||
meshName.toNativeUtf8().cast<Char>(), weightsPtr, weights.length);
|
||||
calloc.free(weightsPtr);
|
||||
}
|
||||
|
||||
Future<List<String>> getMorphTargetNames(
|
||||
FilamentEntity asset, String meshName) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var names = <String>[];
|
||||
var count = _lib.get_morph_target_name_count_ffi(
|
||||
_assetManager!, asset, meshName.toNativeUtf8().cast<Char>());
|
||||
var outPtr = calloc<Char>(255);
|
||||
for (int i = 0; i < count; i++) {
|
||||
_lib.get_morph_target_name(_assetManager!, asset,
|
||||
meshName.toNativeUtf8().cast<Char>(), outPtr, i);
|
||||
names.add(outPtr.cast<Utf8>().toDartString());
|
||||
}
|
||||
calloc.free(outPtr);
|
||||
return names.cast<String>();
|
||||
}
|
||||
|
||||
Future<List<String>> getAnimationNames(FilamentEntity asset) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var animationCount = _lib.get_animation_count(_assetManager!, asset);
|
||||
var names = <String>[];
|
||||
var outPtr = calloc<Char>(255);
|
||||
for (int i = 0; i < animationCount; i++) {
|
||||
_lib.get_animation_name_ffi(_assetManager!, asset, outPtr, i);
|
||||
names.add(outPtr.cast<Utf8>().toDartString());
|
||||
}
|
||||
|
||||
return names;
|
||||
}
|
||||
|
||||
///
|
||||
/// Returns the length (in seconds) of the animation at the given index.
|
||||
///
|
||||
Future<double> getAnimationDuration(
|
||||
FilamentEntity asset, int animationIndex) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var duration = await _channel.invokeMethod(
|
||||
"getAnimationDuration", [_assetManager!, asset, animationIndex]);
|
||||
return duration as double;
|
||||
}
|
||||
|
||||
///
|
||||
/// Create/start a dynamic morph target animation for [asset].
|
||||
///
|
||||
Future setMorphAnimationData(
|
||||
FilamentEntity asset, MorphAnimationData animation) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
|
||||
var dataPtr = calloc<Float>(animation.data.length);
|
||||
for (int i = 0; i < animation.data.length; i++) {
|
||||
dataPtr.elementAt(i).value = animation.data[i];
|
||||
}
|
||||
|
||||
var morphIndicesPtr = calloc<Int>(animation.animatedMorphIndices.length);
|
||||
for (int i = 0; i < animation.numMorphTargets; i++) {
|
||||
// morphIndicesPtr.elementAt(i) = animation.animatedMorphIndices[i];
|
||||
}
|
||||
|
||||
_lib.set_morph_animation(
|
||||
_assetManager!,
|
||||
asset,
|
||||
animation.meshName.toNativeUtf8().cast<Char>(),
|
||||
dataPtr,
|
||||
morphIndicesPtr,
|
||||
animation.numMorphTargets,
|
||||
animation.numFrames,
|
||||
(animation.frameLengthInMs));
|
||||
calloc.free(dataPtr);
|
||||
calloc.free(morphIndicesPtr);
|
||||
}
|
||||
|
||||
///
|
||||
/// 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)
|
||||
///
|
||||
Future setBoneAnimation(
|
||||
FilamentEntity asset, BoneAnimationData animation) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
// var data = calloc<Float>(animation.frameData.length);
|
||||
// int offset = 0;
|
||||
// var numFrames = animation.frameData.length ~/ 7;
|
||||
// var boneNames = calloc<Pointer<Char>>(1);
|
||||
// boneNames.elementAt(0).value =
|
||||
// animation.boneName.toNativeUtf8().cast<Char>();
|
||||
|
||||
// var meshNames = calloc<Pointer<Char>>(animation.meshNames.length);
|
||||
// for (int i = 0; i < animation.meshNames.length; i++) {
|
||||
// meshNames.elementAt(i).value =
|
||||
// animation.meshNames[i].toNativeUtf8().cast<Char>();
|
||||
// }
|
||||
|
||||
// for (int i = 0; i < animation.frameData.length; i++) {
|
||||
// data.elementAt(offset).value = animation.frameData[i];
|
||||
// offset += 1;
|
||||
// }
|
||||
|
||||
// await _channel.invokeMethod("setBoneAnimation", [
|
||||
// _assetManager!,
|
||||
// asset,
|
||||
// data,
|
||||
// numFrames,
|
||||
// 1,
|
||||
// boneNames,
|
||||
// meshNames,
|
||||
// animation.meshNames.length,
|
||||
// animation.frameLengthInMs
|
||||
// ]);
|
||||
// calloc.free(data);
|
||||
}
|
||||
|
||||
Future removeAsset(FilamentEntity asset) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.remove_asset_ffi(_assetManager!, asset);
|
||||
}
|
||||
|
||||
Future clearAssets() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.clear_assets_ffi(_viewer!);
|
||||
}
|
||||
|
||||
Future zoomBegin() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("scrollBegin");
|
||||
}
|
||||
|
||||
Future zoomUpdate(double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.scroll_update(_viewer!, 0.0, 0.0, z);
|
||||
}
|
||||
|
||||
Future zoomEnd() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.scroll_end(_viewer!);
|
||||
}
|
||||
|
||||
Future playAnimation(FilamentEntity asset, int index,
|
||||
{bool loop = false,
|
||||
bool reverse = false,
|
||||
bool replaceActive = true,
|
||||
double crossfade = 0.0}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.play_animation_ffi(_assetManager!, asset, index, loop ? 1 : 0,
|
||||
reverse ? 1 : 0, replaceActive ? 1 : 0, crossfade);
|
||||
}
|
||||
|
||||
Future setAnimationFrame(
|
||||
FilamentEntity asset, int index, int animationFrame) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod(
|
||||
"setAnimationFrame", [_assetManager!, asset, index, animationFrame]);
|
||||
}
|
||||
|
||||
Future stopAnimation(FilamentEntity asset, int animationIndex) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("stopAnimation", [_assetManager!, asset, animationIndex]);
|
||||
}
|
||||
|
||||
Future setCamera(FilamentEntity asset, String? name) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (await _channel.invokeMethod("setCamera", [asset, name]) != true) {
|
||||
throw Exception("Failed to set camera");
|
||||
}
|
||||
}
|
||||
|
||||
Future setToneMapping(ToneMapper mapper) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
|
||||
_lib.set_tone_mapping_ffi(_viewer!, mapper.index);
|
||||
}
|
||||
|
||||
Future setBloom(double bloom) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_bloom_ffi(_viewer!, bloom);
|
||||
}
|
||||
|
||||
Future setCameraFocalLength(double focalLength) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_camera_focal_length(_viewer!, focalLength);
|
||||
}
|
||||
|
||||
Future setCameraFocusDistance(double focusDistance) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_camera_focus_distance(_viewer!, focusDistance);
|
||||
}
|
||||
|
||||
Future setCameraPosition(double x, double y, double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_camera_position(_viewer!, x, y, z);
|
||||
}
|
||||
|
||||
Future moveCameraToAsset(FilamentEntity asset) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.move_camera_to_asset(_viewer!, asset);
|
||||
}
|
||||
|
||||
Future setViewFrustumCulling(bool enabled) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_view_frustum_culling(_viewer!, enabled ? 1 : 0);
|
||||
}
|
||||
|
||||
Future setCameraExposure(
|
||||
double aperture, double shutterSpeed, double sensitivity) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_camera_exposure(_viewer!, aperture, shutterSpeed, sensitivity);
|
||||
}
|
||||
|
||||
Future setCameraRotation(double rads, double x, double y, double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_camera_rotation(_viewer!, rads, x, y, z);
|
||||
}
|
||||
|
||||
Future setCameraModelMatrix(List<double> matrix) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
assert(matrix.length == 16);
|
||||
var ptr = calloc<Float>(16);
|
||||
for (int i = 0; i < 16; i++) {
|
||||
ptr.elementAt(i).value = matrix[i];
|
||||
}
|
||||
_lib.set_camera_model_matrix(_viewer!, ptr);
|
||||
calloc.free(ptr);
|
||||
}
|
||||
|
||||
Future setMaterialColor(FilamentEntity asset, String meshName,
|
||||
int materialIndex, Color color) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var result = _lib.set_material_color(
|
||||
_assetManager!,
|
||||
asset,
|
||||
meshName.toNativeUtf8().cast<Char>(),
|
||||
materialIndex,
|
||||
color.red.toDouble() / 255.0,
|
||||
color.green.toDouble() / 255.0,
|
||||
color.blue.toDouble() / 255.0,
|
||||
color.alpha.toDouble() / 255.0);
|
||||
if (result != 1) {
|
||||
throw Exception("Failed to set material color");
|
||||
}
|
||||
}
|
||||
|
||||
Future transformToUnitCube(FilamentEntity asset) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.transform_to_unit_cube(_assetManager!, asset);
|
||||
}
|
||||
|
||||
Future setPosition(FilamentEntity asset, double x, double y, double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_position(_assetManager!, asset, x, y, z);
|
||||
}
|
||||
|
||||
Future setScale(FilamentEntity asset, double scale) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_scale(_assetManager!, asset, scale);
|
||||
}
|
||||
|
||||
Future setRotation(
|
||||
FilamentEntity asset, double rads, double x, double y, double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_lib.set_rotation(_assetManager!, asset, rads, x, y, z);
|
||||
}
|
||||
|
||||
Future hide(FilamentEntity asset, String meshName) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (_lib.hide_mesh(
|
||||
_assetManager!, asset, meshName.toNativeUtf8().cast<Char>()) !=
|
||||
1) {}
|
||||
}
|
||||
|
||||
Future reveal(FilamentEntity asset, String meshName) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (_lib.reveal_mesh(
|
||||
_assetManager!, asset, meshName.toNativeUtf8().cast<Char>()) !=
|
||||
1) {
|
||||
throw Exception("Failed to reveal mesh $meshName");
|
||||
}
|
||||
}
|
||||
}
|
||||
640
lib/filament_controller_method_channel.dart
Normal file
640
lib/filament_controller_method_channel.dart
Normal file
@@ -0,0 +1,640 @@
|
||||
import 'dart:async';
|
||||
import 'dart:ui' as ui;
|
||||
import 'package:flutter/services.dart';
|
||||
import 'package:polyvox_filament/filament_controller.dart';
|
||||
import 'package:polyvox_filament/animations/bone_animation_data.dart';
|
||||
import 'package:polyvox_filament/animations/morph_animation_data.dart';
|
||||
import 'package:polyvox_filament/generated_bindings_web.dart';
|
||||
import 'filament_controller.dart';
|
||||
|
||||
typedef AssetManager = int;
|
||||
|
||||
class FilamentControllerMethodChannel extends FilamentController {
|
||||
late MethodChannel _channel = MethodChannel("app.polyvox.filament/event");
|
||||
|
||||
double _pixelRatio = 1.0;
|
||||
ui.Size size = ui.Size.zero;
|
||||
|
||||
int? _textureId;
|
||||
final _textureIdController = StreamController<int?>.broadcast();
|
||||
Stream<int?> get textureId => _textureIdController.stream;
|
||||
|
||||
Completer _isReadyForScene = Completer();
|
||||
Future get isReadyForScene => _isReadyForScene.future;
|
||||
|
||||
late AssetManager _assetManager;
|
||||
|
||||
int? _viewer;
|
||||
|
||||
///
|
||||
/// 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.
|
||||
///
|
||||
FilamentController() {
|
||||
_channel.setMethodCallHandler((call) async {
|
||||
throw Exception("Unknown method channel invocation ${call.method}");
|
||||
});
|
||||
}
|
||||
|
||||
Future setRendering(bool render) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
return _channel.invokeMethod("setRendering", render);
|
||||
}
|
||||
|
||||
Future render() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("render");
|
||||
}
|
||||
|
||||
Future setFrameRate(int framerate) async {
|
||||
await _channel.invokeMethod("setFrameInterval", 1.0 / framerate);
|
||||
}
|
||||
|
||||
void setPixelRatio(double ratio) {
|
||||
_pixelRatio = ratio;
|
||||
}
|
||||
|
||||
Future destroyViewer() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
_viewer = null;
|
||||
await _channel.invokeMethod("destroyViewer");
|
||||
_isReadyForScene = Completer();
|
||||
}
|
||||
|
||||
Future destroyTexture() async {
|
||||
await _channel.invokeMethod("destroyTexture");
|
||||
_textureId = null;
|
||||
_assetManager = 0;
|
||||
_textureIdController.add(null);
|
||||
}
|
||||
|
||||
///
|
||||
/// The process for creating/initializing the Filament layer is as follows:
|
||||
/// 1) Create a FilamentController
|
||||
/// 2) Insert a FilamentWidget into the rendering tree
|
||||
/// 3) Initially, this widget will only contain an empty Container. After the first frame is rendered, the widget itself will automatically call [createViewer] with the width/height from its constraints
|
||||
/// 4) The FilamentWidget will replace the empty Container with the Texture widget.
|
||||
///
|
||||
Future createViewer(int width, int height) async {
|
||||
if (_viewer != null) {
|
||||
throw Exception(
|
||||
"Viewer already exists, make sure you call destroyViewer first");
|
||||
}
|
||||
if (_isReadyForScene.isCompleted) {
|
||||
throw Exception(
|
||||
"Do not call createViewer when a viewer has already been created without calling destroyViewer");
|
||||
}
|
||||
size = ui.Size(width * _pixelRatio, height * _pixelRatio);
|
||||
|
||||
_textureId =
|
||||
await _channel.invokeMethod("createTexture", [size.width, size.height]);
|
||||
|
||||
_viewer = await _channel
|
||||
.invokeMethod("createFilamentViewer", [size.width, size.height]);
|
||||
|
||||
await _channel.invokeMethod("updateViewportAndCameraProjection",
|
||||
[size.width.toInt(), size.height.toInt(), 1.0]);
|
||||
_assetManager = await _channel.invokeMethod("getAssetManager");
|
||||
|
||||
_textureIdController.add(_textureId);
|
||||
|
||||
_isReadyForScene.complete(true);
|
||||
}
|
||||
|
||||
bool _resizing = false;
|
||||
|
||||
Future resize(int width, int height,
|
||||
{double contentScaleFactor = 1.0}) async {
|
||||
_resizing = true;
|
||||
_textureId = await _channel.invokeMethod("resize",
|
||||
[width * _pixelRatio, height * _pixelRatio, contentScaleFactor]);
|
||||
_textureIdController.add(_textureId);
|
||||
_resizing = false;
|
||||
}
|
||||
|
||||
Future clearBackgroundImage() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("clearBackgroundImage");
|
||||
}
|
||||
|
||||
Future setBackgroundImage(String path, {bool fillHeight = false}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setBackgroundImage", [path, fillHeight]);
|
||||
}
|
||||
|
||||
Future setBackgroundColor(Color color) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setBackgroundColor", [
|
||||
color.red.toDouble() / 255.0,
|
||||
color.green.toDouble() / 255.0,
|
||||
color.blue.toDouble() / 255.0,
|
||||
color.alpha.toDouble() / 255.0
|
||||
]);
|
||||
}
|
||||
|
||||
Future setBackgroundImagePosition(double x, double y,
|
||||
{bool clamp = false}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("setBackgroundImagePosition", [x, y, clamp ? 1 : 0]);
|
||||
}
|
||||
|
||||
Future loadSkybox(String skyboxPath) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("loadSkybox", skyboxPath);
|
||||
}
|
||||
|
||||
Future loadIbl(String lightingPath, {double intensity = 30000}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("loadIbl", [lightingPath, intensity]);
|
||||
}
|
||||
|
||||
Future removeSkybox() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("removeSkybox");
|
||||
}
|
||||
|
||||
Future removeIbl() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("removeIbl");
|
||||
}
|
||||
|
||||
// copied from LightManager.h
|
||||
// enum class Type : uint8_t {
|
||||
// SUN, //!< Directional light that also draws a sun's disk in the sky.
|
||||
// DIRECTIONAL, //!< Directional light, emits light in a given direction.
|
||||
// POINT, //!< Point light, emits light from a position, in all directions.
|
||||
// FOCUSED_SPOT, //!< Physically correct spot light.
|
||||
// SPOT, //!< Spot light with coupling of outer cone and illumination disabled.
|
||||
// };
|
||||
Future<FilamentEntity> addLight(
|
||||
int type,
|
||||
double colour,
|
||||
double intensity,
|
||||
double posX,
|
||||
double posY,
|
||||
double posZ,
|
||||
double dirX,
|
||||
double dirY,
|
||||
double dirZ,
|
||||
bool castShadows) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var entity = await _channel.invokeMethod("addLight", [
|
||||
type,
|
||||
colour,
|
||||
intensity,
|
||||
posX,
|
||||
posY,
|
||||
posZ,
|
||||
dirX,
|
||||
dirY,
|
||||
dirZ,
|
||||
castShadows ? 1 : 0
|
||||
]);
|
||||
return entity as FilamentEntity;
|
||||
}
|
||||
|
||||
Future removeLight(FilamentEntity light) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("removeLight", light);
|
||||
}
|
||||
|
||||
Future clearLights() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("clearLights");
|
||||
}
|
||||
|
||||
Future<FilamentEntity> loadGlb(String path, {bool unlit = false}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var asset =
|
||||
await _channel.invokeMethod("loadGlb", [_assetManager, path, unlit]);
|
||||
if (asset == FILAMENT_ASSET_ERROR) {
|
||||
throw Exception("An error occurred loading the asset at $path");
|
||||
}
|
||||
return asset;
|
||||
}
|
||||
|
||||
Future<FilamentEntity> loadGltf(
|
||||
String path, String relativeResourcePath) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var entity = await _channel
|
||||
.invokeMethod("loadGltf", [_assetManager, path, relativeResourcePath]);
|
||||
return entity as FilamentEntity;
|
||||
}
|
||||
|
||||
Future panStart(double x, double y) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("grabBegin", [x * _pixelRatio, y * _pixelRatio, 1]);
|
||||
}
|
||||
|
||||
Future panUpdate(double x, double y) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("grabUpdate", [x * _pixelRatio, y * _pixelRatio]);
|
||||
}
|
||||
|
||||
Future panEnd() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("grabEnd");
|
||||
}
|
||||
|
||||
Future rotateStart(double x, double y) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("grabBegin", [x * _pixelRatio, y * _pixelRatio, 0]);
|
||||
}
|
||||
|
||||
Future rotateUpdate(double x, double y) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("grabUpdate", [x * _pixelRatio, y * _pixelRatio]);
|
||||
}
|
||||
|
||||
Future rotateEnd() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("grabEnd");
|
||||
}
|
||||
|
||||
Future setMorphTargetWeights(
|
||||
FilamentEntity asset, String meshName, List<double> weights) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setMorphTargetWeights",
|
||||
[_assetManager, asset, meshName, weights, weights.length]);
|
||||
}
|
||||
|
||||
Future<List<String>> getMorphTargetNames(
|
||||
FilamentEntity asset, String meshName) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var names = await _channel
|
||||
.invokeMethod("getMorphTargetNames", [_assetManager, asset, meshName]);
|
||||
return names.cast<String>();
|
||||
}
|
||||
|
||||
Future<List<String>> getAnimationNames(FilamentEntity asset) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var names = await _channel
|
||||
.invokeMethod("getAnimationNames", [_assetManager, asset]);
|
||||
return names.cast<String>();
|
||||
}
|
||||
|
||||
///
|
||||
/// Returns the length (in seconds) of the animation at the given index.
|
||||
///
|
||||
Future<double> getAnimationDuration(
|
||||
FilamentEntity asset, int animationIndex) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var duration = await _channel.invokeMethod(
|
||||
"getAnimationDuration", [_assetManager, asset, animationIndex]);
|
||||
return duration as double;
|
||||
}
|
||||
|
||||
///
|
||||
/// 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.
|
||||
///
|
||||
Future setMorphAnimationData(
|
||||
FilamentEntity asset, MorphAnimationData animation) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setMorphAnimation", [
|
||||
_assetManager,
|
||||
asset,
|
||||
animation.meshName,
|
||||
animation.data,
|
||||
animation.animatedMorphIndices,
|
||||
animation.numMorphTargets,
|
||||
animation.numFrames,
|
||||
animation.frameLengthInMs
|
||||
]);
|
||||
}
|
||||
|
||||
///
|
||||
/// 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)
|
||||
///
|
||||
Future setBoneAnimation(
|
||||
FilamentEntity asset, BoneAnimationData animation) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
// var data = calloc<Float>(animation.frameData.length);
|
||||
// int offset = 0;
|
||||
// var numFrames = animation.frameData.length ~/ 7;
|
||||
// var boneNames = calloc<Pointer<Char>>(1);
|
||||
// boneNames.elementAt(0).value =
|
||||
// animation.boneName.toNativeUtf8().cast<Char>();
|
||||
|
||||
// var meshNames = calloc<Pointer<Char>>(animation.meshNames.length);
|
||||
// for (int i = 0; i < animation.meshNames.length; i++) {
|
||||
// meshNames.elementAt(i).value =
|
||||
// animation.meshNames[i].toNativeUtf8().cast<Char>();
|
||||
// }
|
||||
|
||||
// for (int i = 0; i < animation.frameData.length; i++) {
|
||||
// data.elementAt(offset).value = animation.frameData[i];
|
||||
// offset += 1;
|
||||
// }
|
||||
|
||||
// await _channel.invokeMethod("setBoneAnimation", [
|
||||
// _assetManager,
|
||||
// asset,
|
||||
// data,
|
||||
// numFrames,
|
||||
// 1,
|
||||
// boneNames,
|
||||
// meshNames,
|
||||
// animation.meshNames.length,
|
||||
// animation.frameLengthInMs
|
||||
// ]);
|
||||
// calloc.free(data);
|
||||
}
|
||||
|
||||
Future removeAsset(FilamentEntity asset) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("removeAsset", asset);
|
||||
}
|
||||
|
||||
Future clearAssets() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("clearAssets");
|
||||
}
|
||||
|
||||
Future zoomBegin() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("scrollBegin");
|
||||
}
|
||||
|
||||
Future zoomUpdate(double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("scrollUpdate", [0.0, 0.0, z]);
|
||||
}
|
||||
|
||||
Future zoomEnd() async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("scrollEnd");
|
||||
}
|
||||
|
||||
Future playAnimation(FilamentEntity asset, int index,
|
||||
{bool loop = false,
|
||||
bool reverse = false,
|
||||
bool replaceActive = true,
|
||||
double crossfade = 0.0}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("playAnimation",
|
||||
[_assetManager, asset, index, loop, reverse, replaceActive, crossfade]);
|
||||
}
|
||||
|
||||
Future setAnimationFrame(
|
||||
FilamentEntity asset, int index, int animationFrame) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod(
|
||||
"setAnimationFrame", [_assetManager, asset, index, animationFrame]);
|
||||
}
|
||||
|
||||
Future stopAnimation(FilamentEntity asset, int animationIndex) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("stopAnimation", [_assetManager, asset, animationIndex]);
|
||||
}
|
||||
|
||||
Future setCamera(FilamentEntity asset, String? name) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (await _channel.invokeMethod("setCamera", [asset, name]) != true) {
|
||||
throw Exception("Failed to set camera");
|
||||
}
|
||||
}
|
||||
|
||||
Future setToneMapping(ToneMapper mapper) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (!await _channel.invokeMethod("setToneMapping", mapper.index)) {
|
||||
throw Exception("Failed to set tone mapper");
|
||||
}
|
||||
}
|
||||
|
||||
Future setBloom(double bloom) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (!await _channel.invokeMethod("setBloom", bloom)) {
|
||||
throw Exception("Failed to set bloom");
|
||||
}
|
||||
}
|
||||
|
||||
Future setCameraFocalLength(double focalLength) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setCameraFocalLength", focalLength);
|
||||
}
|
||||
|
||||
Future setCameraFocusDistance(double focusDistance) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setCameraFocusDistance", focusDistance);
|
||||
}
|
||||
|
||||
Future setCameraPosition(double x, double y, double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setCameraPosition", [x, y, z]);
|
||||
}
|
||||
|
||||
Future moveCameraToAsset(FilamentEntity asset) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("moveCameraToAsset", asset);
|
||||
}
|
||||
|
||||
Future setViewFrustumCulling(bool enabled) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setViewFrustumCulling", enabled);
|
||||
}
|
||||
|
||||
Future setCameraExposure(
|
||||
double aperture, double shutterSpeed, double sensitivity) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod(
|
||||
"setCameraExposure", [aperture, shutterSpeed, sensitivity]);
|
||||
}
|
||||
|
||||
Future setCameraRotation(double rads, double x, double y, double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setCameraRotation", [rads, x, y, z]);
|
||||
}
|
||||
|
||||
Future setCameraModelMatrix(List<double> matrix) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
assert(matrix.length == 16);
|
||||
await _channel.invokeMethod("setCameraModelMatrix", matrix);
|
||||
}
|
||||
|
||||
Future setTexture(FilamentEntity asset, String assetPath,
|
||||
{int renderableIndex = 0}) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setTexture", [_assetManager, asset]);
|
||||
}
|
||||
|
||||
Future setMaterialColor(FilamentEntity asset, String meshName,
|
||||
int materialIndex, Color color) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
var result = await _channel.invokeMethod("setMaterialColor", [
|
||||
_assetManager,
|
||||
asset,
|
||||
meshName,
|
||||
materialIndex,
|
||||
[
|
||||
color.red.toDouble() / 255.0,
|
||||
color.green.toDouble() / 255.0,
|
||||
color.blue.toDouble() / 255.0,
|
||||
color.alpha.toDouble() / 255.0
|
||||
]
|
||||
]);
|
||||
if (!result) {
|
||||
throw Exception("Failed to set material color");
|
||||
}
|
||||
}
|
||||
|
||||
Future transformToUnitCube(FilamentEntity asset) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("transformToUnitCube", [_assetManager, asset]);
|
||||
}
|
||||
|
||||
Future setPosition(FilamentEntity asset, double x, double y, double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setPosition", [_assetManager, asset, x, y, z]);
|
||||
}
|
||||
|
||||
Future setScale(FilamentEntity asset, double scale) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel.invokeMethod("setScale", [_assetManager, asset, scale]);
|
||||
}
|
||||
|
||||
Future setRotation(
|
||||
FilamentEntity asset, double rads, double x, double y, double z) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
await _channel
|
||||
.invokeMethod("setRotation", [_assetManager, asset, rads, x, y, z]);
|
||||
}
|
||||
|
||||
Future hide(FilamentEntity asset, String meshName) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (await _channel
|
||||
.invokeMethod("hideMesh", [_assetManager, asset, meshName]) !=
|
||||
1) {
|
||||
throw Exception("Failed to hide mesh $meshName");
|
||||
}
|
||||
}
|
||||
|
||||
Future reveal(FilamentEntity asset, String meshName) async {
|
||||
if (_viewer == null || _resizing) {
|
||||
throw Exception("No viewer available, ignoring");
|
||||
}
|
||||
if (await _channel
|
||||
.invokeMethod("revealMesh", [_assetManager, asset, meshName]) !=
|
||||
1) {
|
||||
throw Exception("Failed to reveal mesh $meshName");
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -5,9 +5,10 @@ import 'package:flutter/material.dart';
|
||||
import 'package:flutter/rendering.dart';
|
||||
import 'package:flutter/widgets.dart';
|
||||
import 'package:flutter/scheduler.dart';
|
||||
import 'package:polyvox_filament/filament_controller.dart';
|
||||
|
||||
import 'dart:async';
|
||||
import 'filament_controller.dart';
|
||||
import 'filament_controller_method_channel.dart';
|
||||
|
||||
typedef ResizeCallback = void Function(Size oldSize, Size newSize);
|
||||
|
||||
|
||||
2219
lib/generated_bindings.dart
Normal file
2219
lib/generated_bindings.dart
Normal file
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user