mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2025-12-20 17:26:01 +08:00
2108 lines
68 KiB
Dart
2108 lines
68 KiB
Dart
import 'dart:convert' as convert;
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import 'dart:ffi';
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import 'dart:io';
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import 'dart:typed_data';
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import 'dart:ui';
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import 'package:ffi/ffi.dart';
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import 'package:flutter/rendering.dart';
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import 'package:http/http.dart' as http;
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import 'package:flutter/services.dart';
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import 'spine_flutter_bindings_generated.dart';
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export 'spine_widget.dart';
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import 'package:path/path.dart' as path;
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int majorVersion() => _bindings.spine_major_version();
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int minorVersion() => _bindings.spine_minor_version();
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void reportLeaks() => _bindings.spine_report_leaks();
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class Color {
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double r;
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double g;
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double b;
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double a;
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Color(this.r, this.g, this.b, this.a);
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}
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class Bounds {
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double x;
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double y;
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double width;
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double height;
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Bounds(this.x, this.y, this.width, this.height);
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}
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class Vector2 {
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double x;
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double y;
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Vector2(this.x, this.y);
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}
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class Atlas {
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final Pointer<spine_atlas> _atlas;
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final List<Image> atlasPages;
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final List<Paint> atlasPagePaints;
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bool _disposed;
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Atlas._(this._atlas, this.atlasPages, this.atlasPagePaints): _disposed = false;
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static Future<Atlas> _load(String atlasFileName, Future<Uint8List> Function(String name) loadFile) async {
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final atlasBytes = await loadFile(atlasFileName);
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final atlasData = convert.utf8.decode(atlasBytes);
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final atlasDataNative = atlasData.toNativeUtf8();
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final atlas = _bindings.spine_atlas_load(atlasDataNative.cast());
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malloc.free(atlasDataNative);
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if (atlas.ref.error.address != nullptr.address) {
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final Pointer<Utf8> error = atlas.ref.error.cast();
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final message = error.toDartString();
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_bindings.spine_atlas_dispose(atlas);
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throw Exception("Couldn't load atlas: $message");
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}
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final atlasDir = path.dirname(atlasFileName);
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List<Image> atlasPages = [];
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List<Paint> atlasPagePaints = [];
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for (int i = 0; i < atlas.ref.numImagePaths; i++) {
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final Pointer<Utf8> atlasPageFile = atlas.ref.imagePaths[i].cast();
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final imagePath = path.join(atlasDir, atlasPageFile.toDartString());
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var imageData = await loadFile(imagePath);
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final Codec codec = await instantiateImageCodec(imageData);
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final FrameInfo frameInfo = await codec.getNextFrame();
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final Image image = frameInfo.image;
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atlasPages.add(image);
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atlasPagePaints.add(Paint()
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..shader = ImageShader(image, TileMode.clamp, TileMode.clamp, Matrix4.identity().storage, filterQuality: FilterQuality.high)
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..isAntiAlias = true
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);
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}
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return Atlas._(atlas, atlasPages, atlasPagePaints);
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}
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static Future<Atlas> fromAsset(AssetBundle assetBundle, String atlasFileName) async {
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return _load(atlasFileName, (file) async => (await assetBundle.load(file)).buffer.asUint8List());
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}
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static Future<Atlas> fromFile(String atlasFileName) async {
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return _load(atlasFileName, (file) => File(file).readAsBytes());
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}
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static Future<Atlas> fromUrl(String atlasFileName) async {
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return _load(atlasFileName, (file) async {
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return (await http.get(Uri.parse(file))).bodyBytes;
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});
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}
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void dispose() {
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if (_disposed) return;
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_disposed = true;
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_bindings.spine_atlas_dispose(_atlas);
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for (final image in atlasPages) {
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image.dispose();
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}
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}
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}
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class SkeletonData {
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final spine_skeleton_data _data;
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bool _disposed;
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SkeletonData._(this._data): _disposed = false;
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static SkeletonData fromJson(Atlas atlas, String json) {
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final jsonNative = json.toNativeUtf8();
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final result = _bindings.spine_skeleton_data_load_json(atlas._atlas, jsonNative.cast());
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malloc.free(jsonNative);
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if (result.error.address != nullptr.address) {
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final Pointer<Utf8> error = result.error.cast();
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final message = error.toDartString();
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malloc.free(error);
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throw Exception("Couldn't load skeleton data: $message");
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}
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return SkeletonData._(result.skeletonData);
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}
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static SkeletonData fromBinary(Atlas atlas, Uint8List binary) {
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final Pointer<Uint8> binaryNative = malloc.allocate(binary.lengthInBytes);
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binaryNative.asTypedList(binary.lengthInBytes).setAll(0, binary);
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final result = _bindings.spine_skeleton_data_load_binary(atlas._atlas, binaryNative.cast(), binary.lengthInBytes);
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malloc.free(binaryNative);
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if (result.error.address != nullptr.address) {
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final Pointer<Utf8> error = result.error.cast();
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final message = error.toDartString();
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malloc.free(error);
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throw Exception("Couldn't load skeleton data: $message");
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}
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return SkeletonData._(result.skeletonData);
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}
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/// Finds a bone by comparing each bone's name. It is more efficient to cache the results of this method than to call it multiple times.
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BoneData? findBone(String name) {
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final nativeName = name.toNativeUtf8();
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final bone = _bindings.spine_skeleton_data_find_bone(_data, nativeName.cast());
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malloc.free(nativeName);
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if (bone.address == nullptr.address) return null;
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return BoneData._(bone);
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}
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/// Finds a slot by comparing each slot's name. It is more efficient to cache the results of this method than to call it multiple times.
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SlotData? findSlot(String name) {
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final nativeName = name.toNativeUtf8();
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final slot = _bindings.spine_skeleton_data_find_slot(_data, nativeName.cast());
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malloc.free(nativeName);
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if (slot.address == nullptr.address) return null;
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return SlotData._(slot);
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}
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/// Finds a skin by comparing each skin's name. It is more efficient to cache the results of this method than to call it
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/// multiple times.
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Skin? findSkin(String name) {
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final nativeName = name.toNativeUtf8();
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final skin = _bindings.spine_skeleton_data_find_skin(_data, nativeName.cast());
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malloc.free(nativeName);
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if (skin.address == nullptr.address) return null;
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return Skin._(skin);
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}
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/// Finds an event by comparing each events's name. It is more efficient to cache the results of this method than to call it
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/// multiple times.
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EventData? findEvent(String name) {
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final nativeName = name.toNativeUtf8();
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final event = _bindings.spine_skeleton_data_find_event(_data, nativeName.cast());
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malloc.free(nativeName);
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if (event.address == nullptr.address) return null;
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return EventData._(event);
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}
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/// Finds an animation by comparing each animation's name. It is more efficient to cache the results of this method than to
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/// call it multiple times.
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Animation? findAnimation(String name) {
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final nativeName = name.toNativeUtf8();
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final animation = _bindings.spine_skeleton_data_find_animation(_data, nativeName.cast());
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malloc.free(nativeName);
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if (animation.address == nullptr.address) return null;
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return Animation._(animation);
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}
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/// Finds an IK constraint by comparing each IK constraint's name. It is more efficient to cache the results of this method
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/// than to call it multiple times.
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IkConstraintData? findIkConstraint(String name) {
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final nativeName = name.toNativeUtf8();
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final constraint = _bindings.spine_skeleton_data_find_ik_constraint(_data, nativeName.cast());
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malloc.free(nativeName);
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if (constraint.address == nullptr.address) return null;
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return IkConstraintData._(constraint);
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}
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/// Finds a transform constraint by comparing each transform constraint's name. It is more efficient to cache the results of
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/// this method than to call it multiple times.
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TransformConstraintData? findTransformConstraint(String name) {
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final nativeName = name.toNativeUtf8();
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final constraint = _bindings.spine_skeleton_data_find_transform_constraint(_data, nativeName.cast());
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malloc.free(nativeName);
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if (constraint.address == nullptr.address) return null;
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return TransformConstraintData._(constraint);
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}
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/// Finds a path constraint by comparing each path constraint's name. It is more efficient to cache the results of this method
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/// than to call it multiple times.
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PathConstraintData? findPathConstraint(String name) {
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final nativeName = name.toNativeUtf8();
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final constraint = _bindings.spine_skeleton_data_find_transform_constraint(_data, nativeName.cast());
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malloc.free(nativeName);
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if (constraint.address == nullptr.address) return null;
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return PathConstraintData._(constraint);
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}
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/// The skeleton's name, which by default is the name of the skeleton data file when possible, or null when a name hasn't been
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/// set.
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String? getName() {
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Pointer<Utf8> name = _bindings.spine_skeleton_data_get_name(_data).cast();
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if (name.address == nullptr.address) return null;
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return name.toDartString();
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}
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/// The skeleton's bones, sorted parent first. The root bone is always the first bone.
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List<BoneData> getBones() {
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final List<BoneData> bones = [];
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final numBones = _bindings.spine_skeleton_data_get_num_bones(_data);
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final nativeBones = _bindings.spine_skeleton_data_get_bones(_data);
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for (int i = 0; i < numBones; i++) {
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bones.add(BoneData._(nativeBones[i]));
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}
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return bones;
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}
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/// The skeleton's slots.
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List<SlotData> getSlots() {
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final List<SlotData> slots = [];
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final numSlots = _bindings.spine_skeleton_data_get_num_slots(_data);
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final nativeSlots = _bindings.spine_skeleton_data_get_slots(_data);
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for (int i = 0; i < numSlots; i++) {
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slots.add(SlotData._(nativeSlots[i]));
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}
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return slots;
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}
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/// All skins, including the default skin.
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List<Skin> getSkins() {
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final List<Skin> skins = [];
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final numSkins = _bindings.spine_skeleton_data_get_num_skins(_data);
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final nativeSkins = _bindings.spine_skeleton_data_get_skins(_data);
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for (int i = 0; i < numSkins; i++) {
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skins.add(Skin._(nativeSkins[i]));
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}
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return skins;
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}
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/// The skeleton's default skin. By default this skin contains all attachments that were not in a skin in Spine.
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Skin? getDefaultSkin() {
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final skin = _bindings.spine_skeleton_data_get_default_skin(_data);
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if (skin.address == nullptr.address) return null;
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return Skin._(skin);
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}
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void setDefaultSkin(Skin? skin) {
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if (skin == null) {
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_bindings.spine_skeleton_data_set_default_skin(_data, nullptr);
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} else {
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_bindings.spine_skeleton_data_set_default_skin(_data, skin._skin);
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}
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}
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/// The skeleton's events.
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List<EventData> getEvents() {
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final List<EventData> events = [];
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final numEvents = _bindings.spine_skeleton_data_get_num_events(_data);
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final nativeEvents = _bindings.spine_skeleton_data_get_events(_data);
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for (int i = 0; i < numEvents; i++) {
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events.add(EventData._(nativeEvents[i]));
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}
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return events;
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}
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/// The skeleton's animations.
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List<Animation> getAnimations() {
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final List<Animation> events = [];
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final numAnimation = _bindings.spine_skeleton_data_get_num_animations(_data);
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final nativeAnimations = _bindings.spine_skeleton_data_get_animations(_data);
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for (int i = 0; i < numAnimation; i++) {
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events.add(Animation._(nativeAnimations[i]));
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}
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return events;
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}
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/// The skeleton's IK constraints.
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List<IkConstraintData> getIkConstraints() {
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final List<IkConstraintData> constraints = [];
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final numConstraints = _bindings.spine_skeleton_data_get_num_ik_constraints(_data);
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final nativeConstraints = _bindings.spine_skeleton_data_get_ik_constraints(_data);
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for (int i = 0; i < numConstraints; i++) {
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constraints.add(IkConstraintData._(nativeConstraints[i]));
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}
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return constraints;
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}
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/// The skeleton's transform constraints.
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List<TransformConstraint> getTransformConstraints() {
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final List<TransformConstraint> constraints = [];
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final numConstraints = _bindings.spine_skeleton_data_get_num_transform_constraints(_data);
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final nativeConstraints = _bindings.spine_skeleton_data_get_transform_constraints(_data);
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for (int i = 0; i < numConstraints; i++) {
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constraints.add(TransformConstraint._(nativeConstraints[i]));
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}
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return constraints;
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}
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/// The skeleton's path constraints.
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List<PathConstraintData> getPathConstraints() {
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final List<PathConstraintData> constraints = [];
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final numConstraints = _bindings.spine_skeleton_data_get_num_path_constraints(_data);
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final nativeConstraints = _bindings.spine_skeleton_data_get_path_constraints(_data);
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for (int i = 0; i < numConstraints; i++) {
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constraints.add(PathConstraintData._(nativeConstraints[i]));
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}
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return constraints;
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}
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/// The X coordinate of the skeleton's axis aligned bounding box in the setup pose.
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double getX() {
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return _bindings.spine_skeleton_data_get_x(_data);
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}
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void setX(double x) {
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_bindings.spine_skeleton_data_set_x(_data, x);
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}
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/// The Y coordinate of the skeleton's axis aligned bounding box in the setup pose.
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double getY() {
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return _bindings.spine_skeleton_data_get_y(_data);
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}
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void setY(double y) {
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_bindings.spine_skeleton_data_set_x(_data, y);
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}
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/// The width of the skeleton's axis aligned bounding box in the setup pose.
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double getWidth() {
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return _bindings.spine_skeleton_data_get_width(_data);
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}
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void setWidth(double width) {
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_bindings.spine_skeleton_data_set_width(_data, width);
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}
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/// The height of the skeleton's axis aligned bounding box in the setup pose.
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double getHeight() {
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return _bindings.spine_skeleton_data_get_height(_data);
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}
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void setHeight(double height) {
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_bindings.spine_skeleton_data_set_height(_data, height);
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}
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/// The Spine version used to export the skeleton data.
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String? getVersion() {
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Pointer<Utf8> name = _bindings.spine_skeleton_data_get_version(_data).cast();
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if (name.address == nullptr.address) return null;
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return name.toDartString();
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}
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/// The skeleton data hash. This value will change if any of the skeleton data has changed.
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String? getHash() {
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Pointer<Utf8> name = _bindings.spine_skeleton_data_get_hash(_data).cast();
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if (name.address == nullptr.address) return null;
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return name.toDartString();
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}
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/// The path to the images directory as defined in Spine, or null if nonessential data was not exported.
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String? getImagesPath() {
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Pointer<Utf8> name = _bindings.spine_skeleton_data_get_images_path(_data).cast();
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if (name.address == nullptr.address) return null;
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return name.toDartString();
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}
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/// The path to the audio directory as defined in Spine, or null if nonessential data was not exported.
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String? getAudioPath() {
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Pointer<Utf8> name = _bindings.spine_skeleton_data_get_audio_path(_data).cast();
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if (name.address == nullptr.address) return null;
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return name.toDartString();
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}
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/// The dopesheet FPS in Spine, or zero if nonessential data was not exported.
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double getFps() {
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return _bindings.spine_skeleton_data_get_fps(_data);
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}
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void dispose() {
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if (_disposed) return;
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_disposed = true;
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_bindings.spine_skeleton_data_dispose(_data);
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}
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}
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enum BlendMode {
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Normal(0),
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Additive(1),
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Multiply(2),
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Screen(3);
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final int value;
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const BlendMode(this.value);
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}
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enum TransformMode {
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Normal(0),
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OnlyTranslation(1),
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NoRotationOrReflection(2),
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NoScale(3),
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NoScaleOrReflection(4);
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final int value;
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const TransformMode(this.value);
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}
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class BoneData {
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final spine_bone_data _data;
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BoneData._(this._data);
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int getIndex() {
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return _bindings.spine_bone_data_get_index(_data);
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}
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String getName() {
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Pointer<Utf8> name = _bindings.spine_bone_data_get_name(_data).cast();
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return name.toDartString();
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}
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BoneData? getParent() {
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final parent = _bindings.spine_bone_data_get_parent(_data);
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if (parent.address == nullptr.address) return null;
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return BoneData._(parent);
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}
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double getLength() {
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return _bindings.spine_bone_data_get_length(_data);
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}
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void setLength(double length) {
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_bindings.spine_bone_data_set_length(_data, length);
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}
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double getX() {
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return _bindings.spine_bone_data_get_x(_data);
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}
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void setX(double x) {
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_bindings.spine_bone_data_set_x(_data, x);
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}
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double getY() {
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return _bindings.spine_bone_data_get_y(_data);
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}
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void setY(double y) {
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_bindings.spine_bone_data_set_y(_data, y);
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}
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double getRotation() {
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return _bindings.spine_bone_data_get_rotation(_data);
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}
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void setRotation(double rotation) {
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_bindings.spine_bone_data_set_rotation(_data, rotation);
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}
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double getScaleX() {
|
|
return _bindings.spine_bone_data_get_scale_x(_data);
|
|
}
|
|
|
|
void setScaleX(double scaleX) {
|
|
_bindings.spine_bone_data_set_scale_x(_data, scaleX);
|
|
}
|
|
|
|
double getScaleY() {
|
|
return _bindings.spine_bone_data_get_scale_y(_data);
|
|
}
|
|
|
|
void setScaleY(double scaleY) {
|
|
_bindings.spine_bone_data_set_scale_y(_data, scaleY);
|
|
}
|
|
|
|
double getShearX() {
|
|
return _bindings.spine_bone_data_get_shear_x(_data);
|
|
}
|
|
|
|
void setShearX(double shearX) {
|
|
_bindings.spine_bone_data_set_shear_x(_data, shearX);
|
|
}
|
|
|
|
double getShearY() {
|
|
return _bindings.spine_bone_data_get_shear_y(_data);
|
|
}
|
|
|
|
void setShearY(double shearY) {
|
|
_bindings.spine_bone_data_set_shear_y(_data, shearY);
|
|
}
|
|
|
|
TransformMode getTransformMode() {
|
|
final nativeMode = _bindings.spine_bone_data_get_transform_mode(_data);
|
|
return TransformMode.values[nativeMode];
|
|
}
|
|
|
|
void setTransformMode(TransformMode mode) {
|
|
_bindings.spine_bone_data_set_transform_mode(_data, mode.value);
|
|
}
|
|
|
|
bool isSkinRequired() {
|
|
return _bindings.spine_bone_data_is_skin_required(_data) == -1;
|
|
}
|
|
|
|
void setIsSkinRequired(bool isSkinRequired) {
|
|
_bindings.spine_bone_data_set_is_skin_required(_data, isSkinRequired ? -1 : 0);
|
|
}
|
|
|
|
Color getColor() {
|
|
final color = _bindings.spine_bone_data_get_color(_data);
|
|
return Color(color.r, color.g, color.b, color.a);
|
|
}
|
|
|
|
void setColor(double r, double g, double b, double a) {
|
|
_bindings.spine_bone_data_set_color(_data, r, g, b, a);
|
|
}
|
|
|
|
@override
|
|
String toString() {
|
|
return getName();
|
|
}
|
|
}
|
|
|
|
class Bone {
|
|
final spine_bone _bone;
|
|
|
|
Bone._(this._bone);
|
|
|
|
void update() {
|
|
_bindings.spine_bone_update(_bone);
|
|
}
|
|
|
|
void updateWorldTransform() {
|
|
_bindings.spine_bone_update_world_transform(_bone);
|
|
}
|
|
|
|
void updateWorldTransformWith(double x, double y, double rotation, double scaleX, double scaleY, double shearX, double shearY) {
|
|
_bindings.spine_bone_update_world_transform_with(_bone, x, y, rotation, scaleX, scaleY, shearX, shearY);
|
|
}
|
|
|
|
void setToSetupPose() {
|
|
_bindings.spine_bone_set_to_setup_pose(_bone);
|
|
}
|
|
|
|
Vector2 worldToLocal(double worldX, double worldY) {
|
|
final local = _bindings.spine_bone_world_to_local(_bone, worldX, worldY);
|
|
return Vector2(local.x, local.y);
|
|
}
|
|
|
|
Vector2 localToWorld(double localX, double localY) {
|
|
final world = _bindings.spine_bone_local_to_world(_bone, localX, localY);
|
|
return Vector2(world.x, world.y);
|
|
}
|
|
|
|
double worldToLocalRotation(double worldRotation) {
|
|
return _bindings.spine_bone_world_to_local_rotation(_bone, worldRotation);
|
|
}
|
|
|
|
double localToWorldRotation(double localRotation) {
|
|
return _bindings.spine_bone_local_to_world_rotation(_bone, localRotation);
|
|
}
|
|
|
|
void rotateWorld(double degrees) {
|
|
_bindings.spine_bone_rotate_world(_bone, degrees);
|
|
}
|
|
|
|
double getWorldToLocalRotationX() {
|
|
return _bindings.spine_bone_get_world_rotation_x(_bone);
|
|
}
|
|
|
|
double getWorldToLocalRotationY() {
|
|
return _bindings.spine_bone_get_world_to_local_rotation_y(_bone);
|
|
}
|
|
|
|
BoneData getData() {
|
|
return BoneData._(_bindings.spine_bone_get_data(_bone));
|
|
}
|
|
|
|
Skeleton getSkeleton() {
|
|
return Skeleton._(_bindings.spine_bone_get_skeleton(_bone));
|
|
}
|
|
|
|
Bone? getParent() {
|
|
final parent = _bindings.spine_bone_get_parent(_bone);
|
|
if (parent.address == nullptr.address) return null;
|
|
return Bone._(parent);
|
|
}
|
|
|
|
List<Bone> getChildren() {
|
|
List<Bone> children = [];
|
|
final numChildren = _bindings.spine_bone_get_num_children(_bone);
|
|
final nativeChildren = _bindings.spine_bone_get_children(_bone);
|
|
for (int i = 0; i < numChildren; i++) {
|
|
children.add(Bone._(nativeChildren[i]));
|
|
}
|
|
return children;
|
|
}
|
|
|
|
double getX() {
|
|
return _bindings.spine_bone_get_x(_bone);
|
|
}
|
|
|
|
void setX(double x) {
|
|
_bindings.spine_bone_set_x(_bone, x);
|
|
}
|
|
|
|
double getY() {
|
|
return _bindings.spine_bone_get_y(_bone);
|
|
}
|
|
|
|
void setY(double y) {
|
|
_bindings.spine_bone_set_y(_bone, y);
|
|
}
|
|
|
|
double getRotation() {
|
|
return _bindings.spine_bone_get_rotation(_bone);
|
|
}
|
|
|
|
void setRotation(double rotation) {
|
|
_bindings.spine_bone_set_rotation(_bone, rotation);
|
|
}
|
|
|
|
double getScaleX() {
|
|
return _bindings.spine_bone_get_scale_x(_bone);
|
|
}
|
|
|
|
void setScaleX(double scaleX) {
|
|
_bindings.spine_bone_set_scale_x(_bone, scaleX);
|
|
}
|
|
|
|
double getScaleY() {
|
|
return _bindings.spine_bone_get_scale_y(_bone);
|
|
}
|
|
|
|
void setScaleY(double scaleY) {
|
|
_bindings.spine_bone_set_scale_y(_bone, scaleY);
|
|
}
|
|
|
|
double getShearX() {
|
|
return _bindings.spine_bone_get_shear_x(_bone);
|
|
}
|
|
|
|
void setShearX(double shearX) {
|
|
_bindings.spine_bone_set_shear_x(_bone, shearX);
|
|
}
|
|
|
|
double getShearY() {
|
|
return _bindings.spine_bone_get_shear_y(_bone);
|
|
}
|
|
|
|
void setShearY(double shearY) {
|
|
_bindings.spine_bone_set_shear_y(_bone, shearY);
|
|
}
|
|
|
|
double getAX() {
|
|
return _bindings.spine_bone_get_a_x(_bone);
|
|
}
|
|
|
|
void setAX(double x) {
|
|
_bindings.spine_bone_set_a_x(_bone, x);
|
|
}
|
|
|
|
double getAY() {
|
|
return _bindings.spine_bone_get_a_y(_bone);
|
|
}
|
|
|
|
void setAY(double y) {
|
|
_bindings.spine_bone_set_a_y(_bone, y);
|
|
}
|
|
|
|
double getAppliedRotation() {
|
|
return _bindings.spine_bone_get_applied_rotation(_bone);
|
|
}
|
|
|
|
void setAppliedRotation(double rotation) {
|
|
_bindings.spine_bone_set_applied_rotation(_bone, rotation);
|
|
}
|
|
|
|
double getAScaleX() {
|
|
return _bindings.spine_bone_get_a_scale_x(_bone);
|
|
}
|
|
|
|
void setAScaleX(double scaleX) {
|
|
_bindings.spine_bone_set_a_scale_x(_bone, scaleX);
|
|
}
|
|
|
|
double getAScaleY() {
|
|
return _bindings.spine_bone_get_a_scale_y(_bone);
|
|
}
|
|
|
|
void setAScaleY(double scaleY) {
|
|
_bindings.spine_bone_set_a_scale_y(_bone, scaleY);
|
|
}
|
|
|
|
double getAShearX() {
|
|
return _bindings.spine_bone_get_a_shear_x(_bone);
|
|
}
|
|
|
|
void setAShearX(double shearX) {
|
|
_bindings.spine_bone_set_a_shear_x(_bone, shearX);
|
|
}
|
|
|
|
double getAShearY() {
|
|
return _bindings.spine_bone_get_a_shear_y(_bone);
|
|
}
|
|
|
|
void setAShearY(double shearY) {
|
|
_bindings.spine_bone_set_a_shear_y(_bone, shearY);
|
|
}
|
|
|
|
double getA() {
|
|
return _bindings.spine_bone_get_a(_bone);
|
|
}
|
|
|
|
void setA(double a) {
|
|
_bindings.spine_bone_set_a(_bone, a);
|
|
}
|
|
|
|
double getB() {
|
|
return _bindings.spine_bone_get_b(_bone);
|
|
}
|
|
|
|
void setB(double b) {
|
|
_bindings.spine_bone_set_b(_bone, b);
|
|
}
|
|
|
|
double getC() {
|
|
return _bindings.spine_bone_get_c(_bone);
|
|
}
|
|
|
|
void setC(double c) {
|
|
_bindings.spine_bone_set_c(_bone, c);
|
|
}
|
|
|
|
double getD() {
|
|
return _bindings.spine_bone_get_d(_bone);
|
|
}
|
|
|
|
void setD(double d) {
|
|
_bindings.spine_bone_set_a(_bone, d);
|
|
}
|
|
|
|
double getWorldX() {
|
|
return _bindings.spine_bone_get_world_x(_bone);
|
|
}
|
|
|
|
void setWorldX(double worldX) {
|
|
_bindings.spine_bone_set_world_x(_bone, worldX);
|
|
}
|
|
|
|
double getWorldY() {
|
|
return _bindings.spine_bone_get_world_y(_bone);
|
|
}
|
|
|
|
void setWorldY(double worldY) {
|
|
_bindings.spine_bone_set_world_y(_bone, worldY);
|
|
}
|
|
|
|
double getWorldRotationX() {
|
|
return _bindings.spine_bone_get_world_rotation_x(_bone);
|
|
}
|
|
|
|
double getWorldRotationY() {
|
|
return _bindings.spine_bone_get_world_rotation_y(_bone);
|
|
}
|
|
|
|
double getWorldScaleX() {
|
|
return _bindings.spine_bone_get_world_scale_x(_bone);
|
|
}
|
|
|
|
double getWorldScaleY() {
|
|
return _bindings.spine_bone_get_world_scale_y(_bone);
|
|
}
|
|
|
|
bool isActive() {
|
|
return _bindings.spine_bone_get_is_active(_bone) == -1;
|
|
}
|
|
|
|
void setIsActive(bool isActive) {
|
|
_bindings.spine_bone_set_is_active(_bone, isActive ? -1 : 0);
|
|
}
|
|
}
|
|
|
|
class SlotData {
|
|
final spine_slot_data _data;
|
|
|
|
SlotData._(this._data);
|
|
|
|
int getIndex() {
|
|
return _bindings.spine_slot_data_get_index(_data);
|
|
}
|
|
|
|
String getName() {
|
|
final Pointer<Utf8> value = _bindings.spine_slot_data_get_name(_data).cast();
|
|
return value.toDartString();
|
|
}
|
|
|
|
BoneData getBoneData() {
|
|
return BoneData._(_bindings.spine_slot_data_get_bone_data(_data));
|
|
}
|
|
|
|
Color getColor() {
|
|
final color = _bindings.spine_slot_data_get_color(_data);
|
|
return Color(color.r, color.g, color.b, color.a);
|
|
}
|
|
|
|
void setColor(double r, double g, double b, double a) {
|
|
_bindings.spine_slot_data_set_color(_data, r, g, b, a);
|
|
}
|
|
|
|
Color getDarkColor() {
|
|
final color = _bindings.spine_slot_data_get_dark_color(_data);
|
|
return Color(color.r, color.g, color.b, color.a);
|
|
}
|
|
|
|
void setDarkColor(double r, double g, double b, double a) {
|
|
_bindings.spine_slot_data_set_dark_color(_data, r, g, b, a);
|
|
}
|
|
|
|
bool hasDarkColor() {
|
|
return _bindings.spine_slot_data_has_dark_color(_data) == -1;
|
|
}
|
|
|
|
void setHasDarkColor(bool hasDarkColor) {
|
|
_bindings.spine_slot_data_set_has_dark_color(_data, hasDarkColor ? -1 : 0);
|
|
}
|
|
|
|
String getAttachmentName() {
|
|
final Pointer<Utf8> value = _bindings.spine_slot_data_get_attachment_name(_data).cast();
|
|
return value.toDartString();
|
|
}
|
|
|
|
void setAttachmentName(String attachmentName) {
|
|
final nativeName = attachmentName.toNativeUtf8();
|
|
_bindings.spine_slot_data_set_attachment_name(_data, nativeName.cast());
|
|
malloc.free(nativeName);
|
|
}
|
|
|
|
BlendMode getBlendMode() {
|
|
return BlendMode.values[_bindings.spine_slot_data_get_blend_mode(_data)];
|
|
}
|
|
|
|
void setBlendMode(BlendMode mode) {
|
|
_bindings.spine_slot_data_set_blend_mode(_data, mode.value);
|
|
}
|
|
|
|
@override
|
|
String toString() {
|
|
return getName();
|
|
}
|
|
}
|
|
|
|
class Slot {
|
|
final spine_slot _slot;
|
|
|
|
Slot._(this._slot);
|
|
|
|
void setToSetupPose() {
|
|
_bindings.spine_slot_set_to_setup_pose(_slot);
|
|
}
|
|
|
|
SlotData getData() {
|
|
return SlotData._(_bindings.spine_slot_get_data(_slot));
|
|
}
|
|
|
|
Bone getBone() {
|
|
return Bone._(_bindings.spine_slot_get_bone(_slot));
|
|
}
|
|
|
|
Skeleton getSkeleton() {
|
|
return Skeleton._(_bindings.spine_slot_get_skeleton(_slot));
|
|
}
|
|
|
|
Color getColor() {
|
|
final color = _bindings.spine_slot_get_color(_slot);
|
|
return Color(color.r, color.g, color.b, color.a);
|
|
}
|
|
|
|
void setColor(Color color) {
|
|
_bindings.spine_slot_set_color(_slot, color.r, color.g, color.b, color.a);
|
|
}
|
|
|
|
Color getDarkColor() {
|
|
final color = _bindings.spine_slot_get_dark_color(_slot);
|
|
return Color(color.r, color.g, color.b, color.a);
|
|
}
|
|
|
|
void setDarkColor(Color color) {
|
|
_bindings.spine_slot_set_dark_color(_slot, color.r, color.g, color.b, color.a);
|
|
}
|
|
|
|
bool hasDarkColor() {
|
|
return _bindings.spine_slot_has_dark_color(_slot) == -1;
|
|
}
|
|
|
|
Attachment? getAttachment() {
|
|
final attachment = _bindings.spine_slot_get_attachment(_slot);
|
|
if (attachment.address == nullptr.address) return null;
|
|
return Attachment._(attachment);
|
|
}
|
|
|
|
void setAttachment(Attachment? attachment) {
|
|
_bindings.spine_slot_set_attachment(_slot, attachment != null ? attachment._attachment : nullptr);
|
|
}
|
|
|
|
@override
|
|
String toString() {
|
|
return getData().getName();
|
|
}
|
|
}
|
|
|
|
enum AttachmentType {
|
|
Region(0),
|
|
Mesh(1),
|
|
Clipping(2),
|
|
BoundingBox(3),
|
|
Path(4),
|
|
Point(5);
|
|
|
|
final int value;
|
|
const AttachmentType(this.value);
|
|
}
|
|
class Attachment {
|
|
final spine_attachment _attachment;
|
|
|
|
Attachment._(this._attachment);
|
|
|
|
String getName() {
|
|
Pointer<Utf8> name = _bindings.spine_attachment_get_name(_attachment).cast();
|
|
return name.toString();
|
|
}
|
|
|
|
AttachmentType getType() {
|
|
final type = _bindings.spine_attachment_get_type(_attachment);
|
|
return AttachmentType.values[type];
|
|
}
|
|
}
|
|
|
|
class SkinEntry {
|
|
final int slotIndex;
|
|
final String name;
|
|
final Attachment? attachment;
|
|
|
|
SkinEntry(this.slotIndex, this.name, this.attachment);
|
|
}
|
|
|
|
class Skin {
|
|
final spine_skin _skin;
|
|
|
|
Skin._(this._skin);
|
|
|
|
void setAttachment(int slotIndex, String name, Attachment? attachment) {
|
|
final nativeName = name.toNativeUtf8();
|
|
_bindings.spine_skin_set_attachment(_skin, slotIndex, nativeName.cast(), attachment == null ? nullptr : attachment._attachment);
|
|
malloc.free(nativeName);
|
|
}
|
|
|
|
Attachment? getAttachment(int slotIndex, String name) {
|
|
final nativeName = name.toNativeUtf8();
|
|
final attachment = _bindings.spine_skin_get_attachment(_skin, slotIndex, nativeName.cast());
|
|
malloc.free(nativeName);
|
|
if (attachment.address == nullptr.address) return null;
|
|
return Attachment._(attachment);
|
|
}
|
|
|
|
void removeAttachment(int slotIndex, String name) {
|
|
final nativeName = name.toNativeUtf8();
|
|
_bindings.spine_skin_remove_attachment(_skin, slotIndex, nativeName.cast());
|
|
malloc.free(nativeName);
|
|
}
|
|
|
|
String getName() {
|
|
Pointer<Utf8> name = _bindings.spine_skin_get_name(_skin).cast();
|
|
return name.toDartString();
|
|
}
|
|
|
|
void addSkin(Skin other) {
|
|
_bindings.spine_skin_add_skin(_skin, other._skin);
|
|
}
|
|
|
|
List<SkinEntry> getEntries() {
|
|
List<SkinEntry> result = [];
|
|
final entries = _bindings.spine_skin_get_entries(_skin);
|
|
int numEntries = entries.ref.numEntries;
|
|
for (int i = 0; i < numEntries; i++) {
|
|
final entry = entries.ref.entries[i];
|
|
Pointer<Utf8> name = entry.name.cast();
|
|
result.add(SkinEntry(entry.slotIndex, name.toDartString(), entry.attachment.address == nullptr.address ? null : Attachment._(entry.attachment)));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
List<BoneData> getBones() {
|
|
List<BoneData> bones = [];
|
|
final numBones = _bindings.spine_skin_get_num_bones(_skin);
|
|
final nativeBones = _bindings.spine_skin_get_bones(_skin);
|
|
for (int i = 0; i < numBones; i++) {
|
|
bones.add(BoneData._(nativeBones[i]));
|
|
}
|
|
return bones;
|
|
}
|
|
|
|
List<ConstraintData> getConstraints() {
|
|
List<ConstraintData> constraints = [];
|
|
final numConstraints = _bindings.spine_skin_get_num_constraints(_skin);
|
|
final nativeConstraints = _bindings.spine_skin_get_constraints(_skin);
|
|
for (int i = 0; i < numConstraints; i++) {
|
|
final nativeConstraint = nativeConstraints[i];
|
|
final type = _bindings.spine_constraint_data_get_type(nativeConstraint);
|
|
switch (type) {
|
|
case spine_constraint_type.SPINE_CONSTRAINT_IK:
|
|
constraints.add(IkConstraintData._(nativeConstraint));
|
|
break;
|
|
case spine_constraint_type.SPINE_CONSTRAINT_TRANSFORM:
|
|
constraints.add(TransformConstraintData._(nativeConstraint));
|
|
break;
|
|
case spine_constraint_type.SPINE_CONSTRAINT_PATH:
|
|
constraints.add(PathConstraintData._(nativeConstraint));
|
|
break;
|
|
}
|
|
}
|
|
return constraints;
|
|
}
|
|
}
|
|
|
|
class ConstraintData {
|
|
final spine_constraint_data _data;
|
|
|
|
ConstraintData._(this._data);
|
|
}
|
|
|
|
class IkConstraintData extends ConstraintData {
|
|
IkConstraintData._(spine_ik_constraint_data data): super._(data);
|
|
|
|
List<BoneData> getBones() {
|
|
final List<BoneData> result = [];
|
|
final numBones = _bindings.spine_ik_constraint_data_get_num_bones(_data);
|
|
final nativeBones = _bindings.spine_ik_constraint_data_get_bones(_data);
|
|
for (int i = 0; i < numBones; i++) {
|
|
result.add(BoneData._(nativeBones[i]));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
BoneData getTarget() {
|
|
return BoneData._(_bindings.spine_ik_constraint_data_get_target(_data));
|
|
}
|
|
|
|
void setTarget(BoneData target) {
|
|
_bindings.spine_ik_constraint_data_set_target(_data, target._data);
|
|
}
|
|
|
|
int getBendDirection() {
|
|
return _bindings.spine_ik_constraint_data_get_bend_direction(_data);
|
|
}
|
|
|
|
void setBendDirection(int bendDirection) {
|
|
_bindings.spine_ik_constraint_data_set_bend_direction(_data, bendDirection);
|
|
}
|
|
|
|
bool getCompress() {
|
|
return _bindings.spine_ik_constraint_data_get_compress(_data) == -1;
|
|
}
|
|
|
|
void setCompress(bool compress) {
|
|
_bindings.spine_ik_constraint_data_set_compress(_data, compress ? -1 : 0);
|
|
}
|
|
|
|
bool getStretch() {
|
|
return _bindings.spine_ik_constraint_data_get_stretch(_data) == -1;
|
|
}
|
|
|
|
void setStretch(bool stretch) {
|
|
_bindings.spine_ik_constraint_data_set_stretch(_data, stretch ? -1 : 0);
|
|
}
|
|
|
|
bool getUniform() {
|
|
return _bindings.spine_ik_constraint_data_get_uniform(_data) == -1;
|
|
}
|
|
|
|
void setUniform(bool uniform) {
|
|
_bindings.spine_ik_constraint_data_set_uniform(_data, uniform ? -1 : 0);
|
|
}
|
|
|
|
double getMix() {
|
|
return _bindings.spine_ik_constraint_data_get_mix(_data);
|
|
}
|
|
|
|
void setMix(double mix) {
|
|
_bindings.spine_ik_constraint_data_set_mix(_data, mix);
|
|
}
|
|
|
|
double getSoftness() {
|
|
return _bindings.spine_ik_constraint_data_get_softness(_data);
|
|
}
|
|
|
|
void setSoftness(double softness) {
|
|
_bindings.spine_ik_constraint_data_set_softness(_data, softness);
|
|
}
|
|
}
|
|
|
|
class IkConstraint {
|
|
final spine_ik_constraint _constraint;
|
|
|
|
IkConstraint._(this._constraint);
|
|
|
|
void update() {
|
|
_bindings.spine_ik_constraint_update(_constraint);
|
|
}
|
|
|
|
int getOrder() {
|
|
return _bindings.spine_ik_constraint_get_order(_constraint);
|
|
}
|
|
|
|
IkConstraintData getData() {
|
|
return IkConstraintData._(_bindings.spine_ik_constraint_get_data(_constraint));
|
|
}
|
|
|
|
List<Bone> getBones() {
|
|
List<Bone> result = [];
|
|
final num = _bindings.spine_ik_constraint_get_num_bones(_constraint);
|
|
final nativeBones = _bindings.spine_ik_constraint_get_bones(_constraint);
|
|
for (int i = 0; i < num; i++) {
|
|
result.add(Bone._(nativeBones[i]));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
Bone getTarget() {
|
|
return Bone._(_bindings.spine_ik_constraint_get_target(_constraint));
|
|
}
|
|
|
|
void setTarget(Bone target) {
|
|
_bindings.spine_ik_constraint_set_target(_constraint, target._bone);
|
|
}
|
|
|
|
int getBendDirection() {
|
|
return _bindings.spine_ik_constraint_get_bend_direction(_constraint);
|
|
}
|
|
|
|
void setBendDirection(int bendDirection) {
|
|
_bindings.spine_ik_constraint_set_bend_direction(_constraint, bendDirection);
|
|
}
|
|
|
|
bool getCompress() {
|
|
return _bindings.spine_ik_constraint_get_compress(_constraint) == -1;
|
|
}
|
|
|
|
void setCompress(bool compress) {
|
|
_bindings.spine_ik_constraint_set_compress(_constraint, compress ? -1 : 0);
|
|
}
|
|
|
|
bool getStretch() {
|
|
return _bindings.spine_ik_constraint_get_stretch(_constraint) == -1;
|
|
}
|
|
|
|
void setStretch(bool stretch) {
|
|
_bindings.spine_ik_constraint_set_stretch(_constraint, stretch ? -1 : 0);
|
|
}
|
|
|
|
double getMix() {
|
|
return _bindings.spine_ik_constraint_get_mix(_constraint);
|
|
}
|
|
|
|
void setMix(double mix) {
|
|
_bindings.spine_ik_constraint_set_mix(_constraint, mix);
|
|
}
|
|
|
|
double getSoftness() {
|
|
return _bindings.spine_ik_constraint_get_softness(_constraint);
|
|
}
|
|
|
|
void setSoftness(double softness) {
|
|
_bindings.spine_ik_constraint_set_softness(_constraint, softness);
|
|
}
|
|
|
|
bool isActive() {
|
|
return _bindings.spine_ik_constraint_get_is_active(_constraint) == -1;
|
|
}
|
|
|
|
void setIsActive(bool isActive) {
|
|
_bindings.spine_ik_constraint_set_is_active(_constraint, isActive ? -1 : 0);
|
|
}
|
|
}
|
|
|
|
// FIXME
|
|
class TransformConstraintData extends ConstraintData {
|
|
TransformConstraintData._(spine_transform_constraint_data data): super._(data);
|
|
}
|
|
|
|
// FIXME
|
|
class TransformConstraint {
|
|
final spine_transform_constraint _constraint;
|
|
|
|
TransformConstraint._(this._constraint);
|
|
}
|
|
|
|
// FIXME
|
|
class PathConstraintData extends ConstraintData {
|
|
PathConstraintData._(spine_path_constraint_data data): super._(data);
|
|
}
|
|
|
|
// FIXME
|
|
class PathConstraint {
|
|
final spine_path_constraint _constraint;
|
|
|
|
PathConstraint._(this._constraint);
|
|
}
|
|
|
|
class Skeleton {
|
|
final spine_skeleton _skeleton;
|
|
|
|
Skeleton._(this._skeleton);
|
|
|
|
/// Caches information about bones and constraints. Must be called if bones, constraints or weighted path attachments are added
|
|
/// or removed.
|
|
void updateCache() {
|
|
_bindings.spine_skeleton_update_cache(_skeleton);
|
|
}
|
|
|
|
/// Updates the world transform for each bone and applies constraints.
|
|
void updateWorldTransform() {
|
|
_bindings.spine_skeleton_update_world_transform(_skeleton);
|
|
}
|
|
|
|
void updateWorldTransformBone(Bone parent) {
|
|
_bindings.spine_skeleton_update_world_transform_bone(_skeleton, parent._bone);
|
|
}
|
|
|
|
/// Sets the bones, constraints, and slots to their setup pose values.
|
|
void setToSetupPose() {
|
|
_bindings.spine_skeleton_set_to_setup_pose(_skeleton);
|
|
}
|
|
|
|
/// Sets the bones and constraints to their setup pose values.
|
|
void setBonesToSetupPose() {
|
|
_bindings.spine_skeleton_set_bones_to_setup_pose(_skeleton);
|
|
}
|
|
|
|
void setSlotsToSetupPose() {
|
|
_bindings.spine_skeleton_set_slots_to_setup_pose(_skeleton);
|
|
}
|
|
|
|
Bone? findBone(String boneName) {
|
|
final nameNative = boneName.toNativeUtf8();
|
|
final bone = _bindings.spine_skeleton_find_bone(_skeleton, nameNative.cast());
|
|
malloc.free(nameNative);
|
|
if (bone.address == nullptr.address) return null;
|
|
return Bone._(bone);
|
|
}
|
|
|
|
Slot? findSlot(String slotName) {
|
|
final nameNative = slotName.toNativeUtf8();
|
|
final slot = _bindings.spine_skeleton_find_slot(_skeleton, nameNative.cast());
|
|
malloc.free(nameNative);
|
|
if (slot.address == nullptr.address) return null;
|
|
return Slot._(slot);
|
|
}
|
|
|
|
/// Attachments from the new skin are attached if the corresponding attachment from the old skin was attached.
|
|
/// If there was no old skin, each slot's setup mode attachment is attached from the new skin.
|
|
/// After changing the skin, the visible attachments can be reset to those attached in the setup pose by calling
|
|
/// See Skeleton::setSlotsToSetupPose()
|
|
/// Also, often AnimationState::apply(Skeleton&) is called before the next time the
|
|
/// skeleton is rendered to allow any attachment keys in the current animation(s) to hide or show attachments from the new skin.
|
|
/// @param skinName May be NULL.
|
|
void setSkin(String skinName) {
|
|
final nameNative = skinName.toNativeUtf8();
|
|
_bindings.spine_skeleton_set_skin(_skeleton, nameNative.cast());
|
|
malloc.free(nameNative);
|
|
}
|
|
|
|
Attachment? getAttachmentByName(String slotName, String attachmentName) {
|
|
final slotNameNative = slotName.toNativeUtf8();
|
|
final attachmentNameNative = attachmentName.toNativeUtf8();
|
|
final attachment = _bindings.spine_skeleton_get_attachment_by_name(_skeleton, slotNameNative.cast(), attachmentNameNative.cast());
|
|
malloc.free(slotNameNative);
|
|
malloc.free(attachmentNameNative);
|
|
if (attachment.address == nullptr.address) return null;
|
|
return Attachment._(attachment);
|
|
}
|
|
|
|
Attachment? getAttachment(int slotIndex, String attachmentName) {
|
|
final attachmentNameNative = attachmentName.toNativeUtf8();
|
|
final attachment = _bindings.spine_skeleton_get_attachment(_skeleton, slotIndex, attachmentNameNative.cast());
|
|
malloc.free(attachmentNameNative);
|
|
if (attachment.address == nullptr.address) return null;
|
|
return Attachment._(attachment);
|
|
}
|
|
|
|
void setAttachment(String slotName, String attachmentName) {
|
|
final slotNameNative = slotName.toNativeUtf8();
|
|
final attachmentNameNative = attachmentName.toNativeUtf8();
|
|
_bindings.spine_skeleton_set_attachment(_skeleton, slotNameNative.cast(), attachmentNameNative.cast());
|
|
malloc.free(slotNameNative);
|
|
malloc.free(attachmentNameNative);
|
|
}
|
|
|
|
IkConstraint? findIkConstraint(String constraintName) {
|
|
final nameNative = constraintName.toNativeUtf8();
|
|
final constraint = _bindings.spine_skeleton_find_ik_constraint(_skeleton, nameNative.cast());
|
|
malloc.free(nameNative);
|
|
if (constraint.address == nullptr.address) return null;
|
|
return IkConstraint._(constraint);
|
|
}
|
|
|
|
TransformConstraint? findTransformConstraint(String constraintName) {
|
|
final nameNative = constraintName.toNativeUtf8();
|
|
final constraint = _bindings.spine_skeleton_find_transform_constraint(_skeleton, nameNative.cast());
|
|
malloc.free(nameNative);
|
|
if (constraint.address == nullptr.address) return null;
|
|
return TransformConstraint._(constraint);
|
|
}
|
|
|
|
PathConstraint? findPathConstraint(String constraintName) {
|
|
final nameNative = constraintName.toNativeUtf8();
|
|
final constraint = _bindings.spine_skeleton_find_path_constraint(_skeleton, nameNative.cast());
|
|
malloc.free(nameNative);
|
|
if (constraint.address == nullptr.address) return null;
|
|
return PathConstraint._(constraint);
|
|
}
|
|
|
|
/// Returns the axis aligned bounding box (AABB) of the region and mesh attachments for the current pose.
|
|
/// @param outX The horizontal distance between the skeleton origin and the left side of the AABB.
|
|
/// @param outY The vertical distance between the skeleton origin and the bottom side of the AABB.
|
|
/// @param outWidth The width of the AABB
|
|
/// @param outHeight The height of the AABB.
|
|
/// @param outVertexBuffer Reference to hold a Vector of floats. This method will assign it with new floats as needed.
|
|
Bounds getBounds() {
|
|
final nativeBounds = _bindings.spine_skeleton_get_bounds(_skeleton);
|
|
return Bounds(nativeBounds.x, nativeBounds.y, nativeBounds.width, nativeBounds.height);
|
|
}
|
|
|
|
Bone? getRootBone() {
|
|
final bone = _bindings.spine_skeleton_get_root_bone(_skeleton);
|
|
if (bone.address == nullptr.address) return null;
|
|
return Bone._(bone);
|
|
}
|
|
|
|
SkeletonData? getData() {
|
|
final data = _bindings.spine_skeleton_get_data(_skeleton);
|
|
if (data.address == nullptr.address) return null;
|
|
return SkeletonData._(data);
|
|
}
|
|
|
|
List<Bone> getBones() {
|
|
final List<Bone> bones = [];
|
|
final numBones = _bindings.spine_skeleton_get_num_bones(_skeleton);
|
|
final nativeBones = _bindings.spine_skeleton_get_bones(_skeleton);
|
|
for (int i = 0; i < numBones; i++) {
|
|
bones.add(Bone._(nativeBones[i]));
|
|
}
|
|
return bones;
|
|
}
|
|
|
|
List<Slot> getSlots() {
|
|
final List<Slot> slots = [];
|
|
final numSlots = _bindings.spine_skeleton_get_num_slots(_skeleton);
|
|
final nativeSlots = _bindings.spine_skeleton_get_slots(_skeleton);
|
|
for (int i = 0; i < numSlots; i++) {
|
|
slots.add(Slot._(nativeSlots[i]));
|
|
}
|
|
return slots;
|
|
}
|
|
|
|
List<Slot> getDrawOrder() {
|
|
final List<Slot> slots = [];
|
|
final numSlots = _bindings.spine_skeleton_get_num_draw_order(_skeleton);
|
|
final nativeDrawOrder = _bindings.spine_skeleton_get_draw_order(_skeleton);
|
|
for (int i = 0; i < numSlots; i++) {
|
|
slots.add(Slot._(nativeDrawOrder[i]));
|
|
}
|
|
return slots;
|
|
}
|
|
|
|
List<IkConstraint> getIkConstraints() {
|
|
final List<IkConstraint> constraints = [];
|
|
final numConstraints = _bindings.spine_skeleton_get_num_ik_constraints(_skeleton);
|
|
final nativeConstraints = _bindings.spine_skeleton_get_ik_constraints(_skeleton);
|
|
for (int i = 0; i < numConstraints; i++) {
|
|
constraints.add(IkConstraint._(nativeConstraints[i]));
|
|
}
|
|
return constraints;
|
|
}
|
|
|
|
List<PathConstraint> getPathConstraints() {
|
|
final List<PathConstraint> constraints = [];
|
|
final numConstraints = _bindings.spine_skeleton_get_num_path_constraints(_skeleton);
|
|
final nativeConstraints = _bindings.spine_skeleton_get_path_constraints(_skeleton);
|
|
for (int i = 0; i < numConstraints; i++) {
|
|
constraints.add(PathConstraint._(nativeConstraints[i]));
|
|
}
|
|
return constraints;
|
|
}
|
|
|
|
List<TransformConstraint> getTransformConstraints() {
|
|
final List<TransformConstraint> constraints = [];
|
|
final numConstraints = _bindings.spine_skeleton_get_num_transform_constraints(_skeleton);
|
|
final nativeConstraints = _bindings.spine_skeleton_get_transform_constraints(_skeleton);
|
|
for (int i = 0; i < numConstraints; i++) {
|
|
constraints.add(TransformConstraint._(nativeConstraints[i]));
|
|
}
|
|
return constraints;
|
|
}
|
|
|
|
Skin? getSkin() {
|
|
final skin = _bindings.spine_skeleton_get_skin(_skeleton);
|
|
if (skin.address == nullptr.address) return null;
|
|
return Skin._(skin);
|
|
}
|
|
|
|
Color getColor() {
|
|
final color = _bindings.spine_skeleton_get_color(_skeleton);
|
|
return Color(color.r, color.g, color.b, color.a);
|
|
}
|
|
|
|
void setColor(Color color) {
|
|
_bindings.spine_skeleton_set_color(_skeleton, color.r, color.g, color.b, color.a);
|
|
}
|
|
|
|
void setPosition(double x, double y) {
|
|
_bindings.spine_skeleton_set_position(_skeleton, x, y);
|
|
}
|
|
|
|
double getX() {
|
|
return _bindings.spine_skeleton_get_x(_skeleton);
|
|
}
|
|
|
|
void setX(double x) {
|
|
_bindings.spine_skeleton_set_x(_skeleton, x);
|
|
}
|
|
|
|
double getY() {
|
|
return _bindings.spine_skeleton_get_x(_skeleton);
|
|
}
|
|
|
|
void setY(double y) {
|
|
_bindings.spine_skeleton_set_y(_skeleton, y);
|
|
}
|
|
|
|
double getScaleX() {
|
|
return _bindings.spine_skeleton_get_scale_x(_skeleton);
|
|
}
|
|
|
|
void setScaleX(double scaleX) {
|
|
_bindings.spine_skeleton_set_scale_x(_skeleton, scaleX);
|
|
}
|
|
|
|
double getScaleY() {
|
|
return _bindings.spine_skeleton_get_scale_x(_skeleton);
|
|
}
|
|
|
|
void setScaleY(double scaleY) {
|
|
_bindings.spine_skeleton_set_scale_y(_skeleton, scaleY);
|
|
}
|
|
}
|
|
|
|
class Animation {
|
|
final spine_animation _animation;
|
|
|
|
Animation._(this._animation);
|
|
|
|
String getName() {
|
|
final Pointer<Utf8> value = _bindings.spine_animation_get_name(_animation).cast();
|
|
return value.toDartString();
|
|
}
|
|
|
|
double getDuration() {
|
|
return _bindings.spine_animation_get_duration(_animation);
|
|
}
|
|
}
|
|
|
|
enum MixBlend {
|
|
Setup(0),
|
|
First(1),
|
|
Replace(2),
|
|
Add(3);
|
|
|
|
final int value;
|
|
const MixBlend(this.value);
|
|
}
|
|
|
|
class TrackEntry {
|
|
final spine_track_entry _entry;
|
|
final AnimationState _state;
|
|
|
|
TrackEntry._(this._entry, this._state);
|
|
|
|
/// The index of the track where this entry is either current or queued.
|
|
int getTtrackIndex() {
|
|
return _bindings.spine_track_entry_get_track_index(_entry);
|
|
}
|
|
|
|
/// The animation to apply for this track entry.
|
|
Animation getAnimation() {
|
|
return Animation._(_bindings.spine_track_entry_get_animation(_entry));
|
|
}
|
|
|
|
/// If true, the animation will repeat. If false, it will not, instead its last frame is applied if played beyond its duration.
|
|
bool getLoop() {
|
|
return _bindings.spine_track_entry_get_loop(_entry) == -1;
|
|
}
|
|
|
|
void setLoop(bool loop) {
|
|
_bindings.spine_track_entry_set_loop(_entry, loop ? -1 : 0);
|
|
}
|
|
|
|
/// If true, when mixing from the previous animation to this animation, the previous animation is applied as normal instead
|
|
/// of being mixed out.
|
|
///
|
|
/// When mixing between animations that key the same property, if a lower track also keys that property then the value will
|
|
/// briefly dip toward the lower track value during the mix. This happens because the first animation mixes from 100% to 0%
|
|
/// while the second animation mixes from 0% to 100%. Setting holdPrevious to true applies the first animation
|
|
/// at 100% during the mix so the lower track value is overwritten. Such dipping does not occur on the lowest track which
|
|
/// keys the property, only when a higher track also keys the property.
|
|
///
|
|
/// Snapping will occur if holdPrevious is true and this animation does not key all the same properties as the
|
|
/// previous animation.
|
|
bool getHoldPrevious() {
|
|
return _bindings.spine_track_entry_get_hold_previous(_entry) == -1;
|
|
}
|
|
|
|
void setHoldPrevious(bool holdPrevious) {
|
|
_bindings.spine_track_entry_set_hold_previous(_entry, holdPrevious ? -1 : 0);
|
|
}
|
|
|
|
bool getReverse() {
|
|
return _bindings.spine_track_entry_get_reverse(_entry) == -1;
|
|
}
|
|
|
|
void setReverse(bool reverse) {
|
|
_bindings.spine_track_entry_set_reverse(_entry, reverse ? -1 : 0);
|
|
}
|
|
|
|
bool getShortestRotation() {
|
|
return _bindings.spine_track_entry_get_shortest_rotation(_entry) == 1;
|
|
}
|
|
|
|
void setShortestRotation(bool shortestRotation) {
|
|
_bindings.spine_track_entry_set_shortest_rotation(_entry, shortestRotation ? -1 : 0);
|
|
}
|
|
|
|
/// Seconds to postpone playing the animation. When a track entry is the current track entry, delay postpones incrementing
|
|
/// the track time. When a track entry is queued, delay is the time from the start of the previous animation to when the
|
|
/// track entry will become the current track entry.
|
|
double getDelay() {
|
|
return _bindings.spine_track_entry_get_delay(_entry);
|
|
}
|
|
|
|
void setDelay(double delay) {
|
|
_bindings.spine_track_entry_set_delay(_entry, delay);
|
|
}
|
|
|
|
/// Current time in seconds this track entry has been the current track entry. The track time determines
|
|
/// TrackEntry.AnimationTime. The track time can be set to start the animation at a time other than 0, without affecting looping.
|
|
double getTrackTime() {
|
|
return _bindings.spine_track_entry_get_track_time(_entry);
|
|
}
|
|
|
|
void setTrackTime(double trackTime) {
|
|
_bindings.spine_track_entry_set_track_time(_entry, trackTime);
|
|
}
|
|
|
|
/// The track time in seconds when this animation will be removed from the track. Defaults to the animation duration for
|
|
/// non-looping animations and to int.MaxValue for looping animations. If the track end time is reached and no
|
|
/// other animations are queued for playback, and mixing from any previous animations is complete, properties keyed by the animation,
|
|
/// are set to the setup pose and the track is cleared.
|
|
///
|
|
/// It may be desired to use AnimationState.addEmptyAnimation(int, float, float) to mix the properties back to the
|
|
/// setup pose over time, rather than have it happen instantly.
|
|
double getTrackEnd() {
|
|
return _bindings.spine_track_entry_get_track_end(_entry);
|
|
}
|
|
|
|
void setTrackEnd(double trackEnd) {
|
|
_bindings.spine_track_entry_set_track_end(_entry, trackEnd);
|
|
}
|
|
|
|
/// Seconds when this animation starts, both initially and after looping. Defaults to 0.
|
|
///
|
|
/// When changing the animation start time, it often makes sense to set TrackEntry.AnimationLast to the same value to
|
|
/// prevent timeline keys before the start time from triggering.
|
|
double getAnimationStart() {
|
|
return _bindings.spine_track_entry_get_animation_start(_entry);
|
|
}
|
|
|
|
void setAnimationStart(double animationStart) {
|
|
_bindings.spine_track_entry_set_animation_start(_entry, animationStart);
|
|
}
|
|
|
|
/// Seconds for the last frame of this animation. Non-looping animations won't play past this time. Looping animations will
|
|
/// loop back to TrackEntry.AnimationStart at this time. Defaults to the animation duration.
|
|
double getAnimationEnd() {
|
|
return _bindings.spine_track_entry_get_animation_end(_entry);
|
|
}
|
|
|
|
void setAnimationEnd(double animationEnd) {
|
|
_bindings.spine_track_entry_set_animation_end(_entry, animationEnd);
|
|
}
|
|
|
|
/// The time in seconds this animation was last applied. Some timelines use this for one-time triggers. Eg, when this
|
|
/// animation is applied, event timelines will fire all events between the animation last time (exclusive) and animation time
|
|
/// (inclusive). Defaults to -1 to ensure triggers on frame 0 happen the first time this animation is applied.
|
|
double getAnimationLast() {
|
|
return _bindings.spine_track_entry_get_animation_last(_entry);
|
|
}
|
|
|
|
void setAnimationLast(double animationLast) {
|
|
_bindings.spine_track_entry_set_animation_last(_entry, animationLast);
|
|
}
|
|
|
|
/// Uses TrackEntry.TrackTime to compute the animation time between TrackEntry.AnimationStart. and
|
|
/// TrackEntry.AnimationEnd. When the track time is 0, the animation time is equal to the animation start time.
|
|
double getAnimationTime() {
|
|
return _bindings.spine_track_entry_get_animation_time(_entry);
|
|
}
|
|
|
|
/// Multiplier for the delta time when the animation state is updated, causing time for this animation to play slower or
|
|
/// faster. Defaults to 1.
|
|
double getTimeScale() {
|
|
return _bindings.spine_animation_state_get_time_scale(_entry);
|
|
}
|
|
|
|
void setTimeScale(double timeScale) {
|
|
_bindings.spine_track_entry_set_time_scale(_entry, timeScale);
|
|
}
|
|
|
|
/// Values less than 1 mix this animation with the last skeleton pose. Defaults to 1, which overwrites the last skeleton pose with
|
|
/// this animation.
|
|
///
|
|
/// Typically track 0 is used to completely pose the skeleton, then alpha can be used on higher tracks. It doesn't make sense
|
|
/// to use alpha on track 0 if the skeleton pose is from the last frame render.
|
|
double getAlpha() {
|
|
return _bindings.spine_track_entry_get_alpha(_entry);
|
|
}
|
|
|
|
void setAlpha(double alpha) {
|
|
_bindings.spine_track_entry_set_alpha(_entry, alpha);
|
|
}
|
|
|
|
/// When the mix percentage (mix time / mix duration) is less than the event threshold, event timelines for the animation
|
|
/// being mixed out will be applied. Defaults to 0, so event timelines are not applied for an animation being mixed out.
|
|
double getEventThreshold() {
|
|
return _bindings.spine_track_entry_get_event_threshold(_entry);
|
|
}
|
|
|
|
void setEventThreshold(double eventThreshold) {
|
|
_bindings.spine_track_entry_set_event_threshold(_entry, eventThreshold);
|
|
}
|
|
|
|
/// When the mix percentage (mix time / mix duration) is less than the attachment threshold, attachment timelines for the
|
|
/// animation being mixed out will be applied. Defaults to 0, so attachment timelines are not applied for an animation being
|
|
/// mixed out.
|
|
double getAttachmentThreshold() {
|
|
return _bindings.spine_track_entry_get_attachment_threshold(_entry);
|
|
}
|
|
|
|
void setAttachmentThreshold(double attachmentThreshold) {
|
|
_bindings.spine_track_entry_set_attachment_threshold(_entry, attachmentThreshold);
|
|
}
|
|
|
|
/// When the mix percentage (mix time / mix duration) is less than the draw order threshold, draw order timelines for the
|
|
/// animation being mixed out will be applied. Defaults to 0, so draw order timelines are not applied for an animation being
|
|
/// mixed out.
|
|
double getDrawOrderThreshold() {
|
|
return _bindings.spine_track_entry_get_draw_order_threshold(_entry);
|
|
}
|
|
|
|
void setDrawOrderThreshold(double drawOrderThreshold) {
|
|
_bindings.spine_track_entry_set_draw_order_threshold(_entry, drawOrderThreshold);
|
|
}
|
|
|
|
/// The animation queued to start after this animation, or null.
|
|
TrackEntry? getNext() {
|
|
final next = _bindings.spine_track_entry_get_next(_entry);
|
|
if (next.address == nullptr.address) return null;
|
|
return TrackEntry._(next, _state);
|
|
}
|
|
|
|
/// Returns true if at least one loop has been completed.
|
|
bool isComplete() {
|
|
return _bindings.spine_track_entry_is_complete(_entry) == -1;
|
|
}
|
|
|
|
/// Seconds from 0 to the mix duration when mixing from the previous animation to this animation. May be slightly more than
|
|
/// TrackEntry.MixDuration when the mix is complete.
|
|
double getMixTime() {
|
|
return _bindings.spine_track_entry_get_mix_time(_entry);
|
|
}
|
|
|
|
void setMixTime(double mixTime) {
|
|
_bindings.spine_track_entry_set_mix_time(_entry, mixTime);
|
|
}
|
|
|
|
/// Seconds for mixing from the previous animation to this animation. Defaults to the value provided by
|
|
/// AnimationStateData based on the animation before this animation (if any).
|
|
///
|
|
/// The mix duration can be set manually rather than use the value from AnimationStateData.GetMix.
|
|
/// In that case, the mixDuration must be set before AnimationState.update(float) is next called.
|
|
///
|
|
/// When using AnimationState::addAnimation(int, Animation, bool, float) with a delay
|
|
/// less than or equal to 0, note the Delay is set using the mix duration from the AnimationStateData
|
|
double getMixDuration() {
|
|
return _bindings.spine_track_entry_get_mix_duration(_entry);
|
|
}
|
|
|
|
void setMixDuration(double mixDuration) {
|
|
_bindings.spine_track_entry_set_mix_duration(_entry, mixDuration);
|
|
}
|
|
|
|
MixBlend getMixBlend() {
|
|
return MixBlend.values[_bindings.spine_track_entry_get_mix_blend(_entry)];
|
|
}
|
|
|
|
void setMixBlend(MixBlend mixBlend) {
|
|
_bindings.spine_track_entry_set_mix_blend(_entry, mixBlend.value);
|
|
}
|
|
|
|
/// The track entry for the previous animation when mixing from the previous animation to this animation, or NULL if no
|
|
/// mixing is currently occuring. When mixing from multiple animations, MixingFrom makes up a double linked list with MixingTo.
|
|
TrackEntry? getMixingFrom() {
|
|
final from = _bindings.spine_track_entry_get_mixing_from(_entry);
|
|
if (from.address == nullptr.address) return null;
|
|
return TrackEntry._(from, _state);
|
|
}
|
|
|
|
/// The track entry for the next animation when mixing from this animation, or NULL if no mixing is currently occuring.
|
|
/// When mixing from multiple animations, MixingTo makes up a double linked list with MixingFrom.
|
|
TrackEntry? getMixingTo() {
|
|
final to = _bindings.spine_track_entry_get_mixing_to(_entry);
|
|
if (to.address == nullptr.address) return null;
|
|
return TrackEntry._(to, _state);
|
|
}
|
|
|
|
/// Resets the rotation directions for mixing this entry's rotate timelines. This can be useful to avoid bones rotating the
|
|
/// long way around when using alpha and starting animations on other tracks.
|
|
///
|
|
/// Mixing involves finding a rotation between two others, which has two possible solutions: the short way or the long way around.
|
|
/// The two rotations likely change over time, so which direction is the short or long way also changes.
|
|
/// If the short way was always chosen, bones would flip to the other side when that direction became the long way.
|
|
/// TrackEntry chooses the short way the first time it is applied and remembers that direction.
|
|
void resetRotationDirections() {
|
|
_bindings.spine_track_entry_reset_rotation_directions(_entry);
|
|
}
|
|
|
|
double getTrackComplete() {
|
|
return _bindings.spine_track_entry_get_track_complete(_entry);
|
|
}
|
|
|
|
void setListener(AnimationStateListener? listener) {
|
|
_state._setTrackEntryListener(_entry, listener);
|
|
}
|
|
}
|
|
|
|
enum EventType {
|
|
Start,
|
|
Interrupt,
|
|
End,
|
|
Complete,
|
|
Dispose,
|
|
Event
|
|
}
|
|
|
|
class EventData {
|
|
final spine_event_data _data;
|
|
|
|
EventData._(this._data);
|
|
|
|
String getName() {
|
|
final Pointer<Utf8> value = _bindings.spine_event_data_get_name(_data).cast();
|
|
return value.toDartString();
|
|
}
|
|
|
|
int getIntValue() {
|
|
return _bindings.spine_event_data_get_int_value(_data);
|
|
}
|
|
|
|
double getFloatValue() {
|
|
return _bindings.spine_event_data_get_float_value(_data);
|
|
}
|
|
|
|
String getStringValue() {
|
|
final Pointer<Utf8> value = _bindings.spine_event_data_get_string_value(_data).cast();
|
|
return value.toDartString();
|
|
}
|
|
|
|
String getAudioPath() {
|
|
final Pointer<Utf8> value = _bindings.spine_event_data_get_audio_path(_data).cast();
|
|
return value.toDartString();
|
|
}
|
|
|
|
double getVolume() {
|
|
return _bindings.spine_event_data_get_volume(_data);
|
|
}
|
|
|
|
double getBalance() {
|
|
return _bindings.spine_event_data_get_balance(_data);
|
|
}
|
|
}
|
|
|
|
class Event {
|
|
final spine_event _event;
|
|
|
|
Event._(this._event);
|
|
|
|
EventData getData() {
|
|
return EventData._(_bindings.spine_event_get_data(_event));
|
|
}
|
|
|
|
double getTime() {
|
|
return _bindings.spine_event_get_time(_event);
|
|
}
|
|
|
|
int getIntValue() {
|
|
return _bindings.spine_event_get_int_value(_event);
|
|
}
|
|
|
|
double getFloatValue() {
|
|
return _bindings.spine_event_get_float_value(_event);
|
|
}
|
|
|
|
String getStringValue() {
|
|
final Pointer<Utf8> value = _bindings.spine_event_get_string_value(_event).cast();
|
|
return value.toDartString();
|
|
}
|
|
|
|
double getVolume() {
|
|
return _bindings.spine_event_get_volume(_event);
|
|
}
|
|
|
|
double getBalance() {
|
|
return _bindings.spine_event_get_balance(_event);
|
|
}
|
|
}
|
|
|
|
typedef AnimationStateListener = void Function(EventType type, TrackEntry entry, Event? event);
|
|
|
|
class AnimationStateData {
|
|
// FIXME
|
|
}
|
|
|
|
class AnimationState {
|
|
final spine_animation_state _state;
|
|
final spine_animation_state_events _events;
|
|
final Map<spine_track_entry, AnimationStateListener> _trackEntryListeners;
|
|
AnimationStateListener? _stateListener;
|
|
|
|
AnimationState._(this._state, this._events): _trackEntryListeners = {};
|
|
|
|
void _setTrackEntryListener(spine_track_entry entry, AnimationStateListener? listener) {
|
|
if (listener == null) {
|
|
_trackEntryListeners.remove(entry);
|
|
} else {
|
|
_trackEntryListeners[entry] = listener;
|
|
}
|
|
}
|
|
|
|
/// Increments the track entry times, setting queued animations as current if needed
|
|
/// @param delta delta time
|
|
void update(double delta) {
|
|
_bindings.spine_animation_state_update(_state, delta);
|
|
|
|
final numEvents = _bindings.spine_animation_state_events_get_num_events(_events);
|
|
if (numEvents > 0) {
|
|
for (int i = 0; i < numEvents; i++) {
|
|
late final EventType type;
|
|
switch(_bindings.spine_animation_state_events_get_event_type(_events, i)) {
|
|
case 0:
|
|
type = EventType.Start;
|
|
break;
|
|
case 1:
|
|
type = EventType.Interrupt;
|
|
break;
|
|
case 2:
|
|
type = EventType.End;
|
|
break;
|
|
case 3:
|
|
type = EventType.Complete;
|
|
break;
|
|
case 4:
|
|
type = EventType.Dispose;
|
|
break;
|
|
case 5:
|
|
type = EventType.Event;
|
|
break;
|
|
}
|
|
final nativeEntry = _bindings.spine_animation_state_events_get_track_entry(_events, i);
|
|
final entry = TrackEntry._(nativeEntry, this);
|
|
final nativeEvent = _bindings.spine_animation_state_events_get_event(_events, i);
|
|
final event = nativeEvent.address == nullptr.address ? null : Event._(nativeEvent);
|
|
if (_trackEntryListeners.containsKey(nativeEntry)) {
|
|
_trackEntryListeners[entry]?.call(type, entry, event);
|
|
}
|
|
if (_stateListener != null) {
|
|
_stateListener?.call(type, entry, event);
|
|
}
|
|
if (type == EventType.Dispose) {
|
|
_bindings.spine_animation_state_dispose_track_entry(_state, nativeEntry);
|
|
}
|
|
}
|
|
}
|
|
_bindings.spine_animation_state_events_reset(_events);
|
|
}
|
|
|
|
/// Poses the skeleton using the track entry animations. There are no side effects other than invoking listeners, so the
|
|
/// animation state can be applied to multiple skeletons to pose them identically.
|
|
void apply(Skeleton skeleton) {
|
|
_bindings.spine_animation_state_apply(_state, skeleton._skeleton);
|
|
}
|
|
|
|
/// Removes all animations from all tracks, leaving skeletons in their previous pose.
|
|
/// It may be desired to use AnimationState.setEmptyAnimations(float) to mix the skeletons back to the setup pose,
|
|
/// rather than leaving them in their previous pose.
|
|
void clearTracks() {
|
|
_bindings.spine_animation_state_clear_tracks(_state);
|
|
}
|
|
|
|
/// Removes all animations from the tracks, leaving skeletons in their previous pose.
|
|
/// It may be desired to use AnimationState.setEmptyAnimations(float) to mix the skeletons back to the setup pose,
|
|
/// rather than leaving them in their previous pose.
|
|
void clearTrack(int trackIndex) {
|
|
_bindings.spine_animation_state_clear_track(_state, trackIndex);
|
|
}
|
|
|
|
/// Sets the current animation for a track, discarding any queued animations.
|
|
/// @param loop If true, the animation will repeat.
|
|
/// If false, it will not, instead its last frame is applied if played beyond its duration.
|
|
/// In either case TrackEntry.TrackEnd determines when the track is cleared.
|
|
/// @return
|
|
/// A track entry to allow further customization of animation playback. References to the track entry must not be kept
|
|
/// after AnimationState.Dispose.
|
|
TrackEntry setAnimation(int trackIndex, String animationName, bool loop) {
|
|
final animation = animationName.toNativeUtf8();
|
|
final entry = _bindings.spine_animation_state_set_animation(_state, trackIndex, animation.cast(), loop ? -1 : 0);
|
|
malloc.free(animation);
|
|
if (entry.address == nullptr.address) throw Exception("Couldn't set animation $animationName");
|
|
return TrackEntry._(entry, this);
|
|
}
|
|
|
|
/// Adds an animation to be played delay seconds after the current or last queued animation
|
|
/// for a track. If the track is empty, it is equivalent to calling setAnimation.
|
|
/// @param delay
|
|
/// Seconds to begin this animation after the start of the previous animation. May be <= 0 to use the animation
|
|
/// duration of the previous track minus any mix duration plus the negative delay.
|
|
///
|
|
/// @return A track entry to allow further customization of animation playback. References to the track entry must not be kept
|
|
/// after AnimationState.Dispose
|
|
TrackEntry addAnimation(int trackIndex, String animationName, bool loop, double delay) {
|
|
final animation = animationName.toNativeUtf8();
|
|
final entry = _bindings.spine_animation_state_add_animation(_state, trackIndex, animation.cast(), loop ? -1 : 0, delay);
|
|
malloc.free(animation);
|
|
if (entry.address == nullptr.address) throw Exception("Couldn't add animation $animationName");
|
|
return TrackEntry._(entry, this);
|
|
}
|
|
|
|
/// Sets an empty animation for a track, discarding any queued animations, and mixes to it over the specified mix duration.
|
|
TrackEntry setEmptyAnimation(int trackIndex, double mixDuration) {
|
|
final entry = _bindings.spine_animation_state_set_empty_animation(_state, trackIndex, mixDuration);
|
|
return TrackEntry._(entry, this);
|
|
}
|
|
|
|
/// Adds an empty animation to be played after the current or last queued animation for a track, and mixes to it over the
|
|
/// specified mix duration.
|
|
/// @return
|
|
/// A track entry to allow further customization of animation playback. References to the track entry must not be kept after AnimationState.Dispose.
|
|
///
|
|
/// @param trackIndex Track number.
|
|
/// @param mixDuration Mix duration.
|
|
/// @param delay Seconds to begin this animation after the start of the previous animation. May be <= 0 to use the animation
|
|
/// duration of the previous track minus any mix duration plus the negative delay.
|
|
TrackEntry addEmptyAnimation(int trackIndex, double mixDuration, double delay) {
|
|
final entry = _bindings.spine_animation_state_add_empty_animation(_state, trackIndex, mixDuration, delay);
|
|
return TrackEntry._(entry, this);
|
|
}
|
|
|
|
TrackEntry? getCurrent(int trackIndex) {
|
|
final entry = _bindings.spine_animation_state_get_current(_state, trackIndex);
|
|
if (entry.address == nullptr.address) return null;
|
|
return TrackEntry._(entry, this);
|
|
}
|
|
|
|
/// Sets an empty animation for every track, discarding any queued animations, and mixes to it over the specified mix duration.
|
|
void setEmptyAnimations(double mixDuration) {
|
|
_bindings.spine_animation_state_set_empty_animations(_state, mixDuration);
|
|
}
|
|
|
|
double getTimeScale() {
|
|
return _bindings.spine_animation_state_get_time_scale(_state);
|
|
}
|
|
|
|
void setTimeScale(double timeScale) {
|
|
_bindings.spine_animation_state_set_time_scale(_state, timeScale);
|
|
}
|
|
|
|
void setListener(AnimationStateListener? listener) {
|
|
_stateListener = listener;
|
|
}
|
|
}
|
|
|
|
class SkeletonDrawable {
|
|
final Atlas atlas;
|
|
final SkeletonData skeletonData;
|
|
late final Pointer<spine_skeleton_drawable> _drawable;
|
|
late final Skeleton skeleton;
|
|
late final AnimationState animationState;
|
|
final bool _ownsAtlasAndSkeletonData;
|
|
bool _disposed;
|
|
|
|
SkeletonDrawable(this.atlas, this.skeletonData, this._ownsAtlasAndSkeletonData): _disposed = false {
|
|
_drawable = _bindings.spine_skeleton_drawable_create(skeletonData._data);
|
|
skeleton = Skeleton._(_drawable.ref.skeleton);
|
|
animationState = AnimationState._(_drawable.ref.animationState, _drawable.ref.animationStateEvents);
|
|
}
|
|
|
|
void update(double delta) {
|
|
if (_disposed) return;
|
|
animationState.update(delta);
|
|
animationState.apply(skeleton);
|
|
skeleton.updateWorldTransform();
|
|
}
|
|
|
|
List<RenderCommand> render() {
|
|
if (_disposed) return [];
|
|
Pointer<spine_render_command> nativeCmd = _bindings.spine_skeleton_drawable_render(_drawable);
|
|
List<RenderCommand> commands = [];
|
|
while(nativeCmd.address != nullptr.address) {
|
|
final atlasPage = atlas.atlasPages[nativeCmd.ref.atlasPage];
|
|
commands.add(RenderCommand._(nativeCmd, atlasPage.width.toDouble(), atlasPage.height.toDouble()));
|
|
nativeCmd = nativeCmd.ref.next;
|
|
}
|
|
return commands;
|
|
}
|
|
|
|
void dispose() {
|
|
if (_disposed) return;
|
|
_disposed = true;
|
|
if (_ownsAtlasAndSkeletonData) {
|
|
atlas.dispose();
|
|
skeletonData.dispose();
|
|
}
|
|
_bindings.spine_skeleton_drawable_dispose(_drawable);
|
|
}
|
|
}
|
|
|
|
class RenderCommand {
|
|
late final Vertices vertices;
|
|
late final int atlasPageIndex;
|
|
|
|
RenderCommand._(Pointer<spine_render_command> nativeCmd, double pageWidth, double pageHeight) {
|
|
atlasPageIndex = nativeCmd.ref.atlasPage;
|
|
int numVertices = nativeCmd.ref.numVertices;
|
|
int numIndices = nativeCmd.ref.numIndices;
|
|
final uvs = nativeCmd.ref.uvs.asTypedList(numVertices * 2);
|
|
for (int i = 0; i < numVertices * 2; i += 2) {
|
|
uvs[i] *= pageWidth;
|
|
uvs[i+1] *= pageHeight;
|
|
}
|
|
// We pass the native data as views directly to Vertices.raw. According to the sources, the data
|
|
// is copied, so it doesn't matter that we free up the underlying memory on the next
|
|
// render call. See the implementation of Vertices.raw() here:
|
|
// https://github.com/flutter/engine/blob/5c60785b802ad2c8b8899608d949342d5c624952/lib/ui/painting/vertices.cc#L21
|
|
vertices = Vertices.raw(VertexMode.triangles,
|
|
nativeCmd.ref.positions.asTypedList(numVertices * 2),
|
|
textureCoordinates: uvs,
|
|
colors: nativeCmd.ref.colors.asTypedList(numVertices),
|
|
indices: nativeCmd.ref.indices.asTypedList(numIndices)
|
|
);
|
|
}
|
|
}
|
|
|
|
const String _libName = 'spine_flutter';
|
|
|
|
final DynamicLibrary _dylib = () {
|
|
if (Platform.isMacOS || Platform.isIOS) {
|
|
return DynamicLibrary.open('$_libName.framework/$_libName');
|
|
}
|
|
if (Platform.isAndroid || Platform.isLinux) {
|
|
return DynamicLibrary.open('lib$_libName.so');
|
|
}
|
|
if (Platform.isWindows) {
|
|
return DynamicLibrary.open('$_libName.dll');
|
|
}
|
|
throw UnsupportedError('Unknown platform: ${Platform.operatingSystem}');
|
|
}();
|
|
|
|
final SpineFlutterBindings _bindings = SpineFlutterBindings(_dylib);
|