renaming to Thermion

thermion_dart/lib/thermion_dart/utils/camera_orientation.dart

@@ -0,0 +1,15 @@
+import 'package:vector_math/vector_math_64.dart' as v;
+
+class CameraOrientation {
+  v.Vector3 position = v.Vector3(0, 0, 0);
+
+  var rotationX = 0.0;
+  var rotationY = 0.0;
+  var rotationZ = 0.0;
+
+  v.Quaternion compose() {
+    return v.Quaternion.axisAngle(v.Vector3(0, 0, 1), rotationZ) *
+        v.Quaternion.axisAngle(v.Vector3(0, 1, 0), rotationY) *
+        v.Quaternion.axisAngle(v.Vector3(1, 0, 0), rotationX);
+  }
+}

thermion_dart/lib/thermion_dart/utils/dart_resources.dart

@@ -0,0 +1,28 @@
+import 'dart:ffi';
+import 'dart:io';
+import '../compatibility/compatibility.dart';
+import 'package:ffi/ffi.dart' hide Utf8Pointer;
+
+class DartResourceLoader {
+  static final _assets = <int, Pointer>{};
+  static void loadResource(Pointer<Char> uri, Pointer<ResourceBuffer> out) {
+    try {
+      var data = File(uri.cast<Utf8>().toDartString().replaceAll("file://", ""))
+          .readAsBytesSync();
+      var ptr = calloc<Uint8>(data.lengthInBytes);
+      ptr.asTypedList(data.lengthInBytes).setRange(0, data.lengthInBytes, data);
+
+      out.ref.data = ptr.cast<Void>();
+      out.ref.size = data.lengthInBytes;
+      out.ref.id = _assets.length;
+      _assets[out.ref.id] = ptr;
+    } catch (err) {
+      print(err);
+      out.ref.size = -1;
+    }
+  }
+
+  static void freeResource(ResourceBuffer rb) {
+    calloc.free(_assets[rb.id]!);
+  }
+}

thermion_dart/lib/thermion_dart/utils/light_options.dart

@@ -0,0 +1,29 @@
+import 'package:vector_math/vector_math_64.dart' as v;
+
+class LightOptions {
+  String? iblPath;
+  double iblIntensity;
+  int directionalType;
+  double directionalColor;
+  double directionalIntensity;
+  bool directionalCastShadows;
+  late v.Vector3 directionalPosition;
+  late v.Vector3 directionalDirection;
+
+  LightOptions(
+      {required this.iblPath,
+      required this.iblIntensity,
+      required this.directionalType,
+      required this.directionalColor,
+      required this.directionalIntensity,
+      required this.directionalCastShadows,
+      v.Vector3? directionalDirection,
+      v.Vector3? directionalPosition}) {
+    this.directionalDirection = directionalDirection == null
+        ? v.Vector3(0, -1, 0)
+        : directionalDirection;
+    this.directionalPosition = directionalPosition == null
+        ? v.Vector3(0, 100, 0)
+        : directionalPosition;
+  }
+}

thermion_dart/lib/thermion_dart/utils/using_pointer.dart

@@ -0,0 +1,10 @@
+import 'dart:ffi';
+
+import 'package:ffi/ffi.dart';
+
+final allocator = calloc;
+
+void using(Pointer ptr, Future Function(Pointer ptr) function) async {
+  await function.call(ptr);
+  allocator.free(ptr);
+}