From d248a85aeeb35bd22870488aa5d92d1c5dbde262 Mon Sep 17 00:00:00 2001
From: Nick Fisher <nick.fisher@avinium.com>
Date: Fri, 20 Sep 2024 14:08:16 +0800
Subject: [PATCH] add createUnlitMaterialInstance, setMaterialPropertyInt
 methods to viewer interface

---
 .../viewer/thermion_viewer_base.dart          | 21 +++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/thermion_dart/lib/thermion_dart/viewer/thermion_viewer_base.dart b/thermion_dart/lib/thermion_dart/viewer/thermion_viewer_base.dart
index bdac6c24..d0419f58 100644
--- a/thermion_dart/lib/thermion_dart/viewer/thermion_viewer_base.dart
+++ b/thermion_dart/lib/thermion_dart/viewer/thermion_viewer_base.dart
@@ -1,4 +1,5 @@
 import 'package:thermion_dart/thermion_dart/viewer/events.dart';
+import 'package:thermion_dart/thermion_dart/viewer/ffi/thermion_viewer_ffi.dart';
 
 import 'shared_types/shared_types.dart';
 export 'shared_types/shared_types.dart';
@@ -189,7 +190,10 @@ abstract class ThermionViewer {
   /// If [keepData] is false, the source glTF data will be released and [createInstance] will throw an exception.
   ///
   Future<ThermionEntity> loadGlbFromBuffer(Uint8List data,
-      {int numInstances = 1, bool keepData = false, int priority=4, int layer=0});
+      {int numInstances = 1,
+      bool keepData = false,
+      int priority = 4,
+      int layer = 0});
 
   ///
   /// Create a new instance of [entity].
@@ -588,6 +592,13 @@ abstract class ThermionViewer {
   Future setMaterialPropertyFloat(ThermionEntity entity, String propertyName,
       int materialIndex, double value);
 
+  ///
+  /// Sets the material property [propertyName] under material [materialIndex] for [entity] to [value].
+  /// [entity] must have a Renderable attached.
+  ///
+  Future setMaterialPropertyInt(ThermionEntity entity, String propertyName,
+      int materialIndex, int value);
+
   ///
   /// Scale [entity] to fit within the unit cube.
   ///
@@ -786,7 +797,8 @@ abstract class ThermionViewer {
   /// Creates a (renderable) entity with the specified geometry and adds to the scene.
   /// If [keepData] is true, the source data will not be released.
   ///
-  Future createGeometry(Geometry geometry, {MaterialInstance? materialInstance,  bool keepData = false});
+  Future createGeometry(Geometry geometry,
+      {MaterialInstance? materialInstance, bool keepData = false});
 
   ///
   /// Gets the parent entity of [entity]. Returns null if the entity has no parent.
@@ -915,4 +927,9 @@ abstract class ThermionViewer {
   ///
   ///
   Future destroyMaterialInstance(covariant MaterialInstance materialInstance);
+
+  ///
+  ///
+  ///
+  Future<MaterialInstance> createUnlitMaterialInstance();
 }