gc fixes

base/sources/export_arm.ts

@@ -125,44 +125,47 @@ function export_arm_run_project() {
 	let same_drive: bool = project_raw.envmap != null ? char_at(project_filepath, 0) == char_at(project_raw.envmap, 0) : true;
 	///end
 
-	project_raw = {
-		version: manifest_version,
-		material_groups: mgroups,
-		assets: texture_files,
-		packed_assets: packed_assets,
-		swatches: project_raw.swatches,
-		envmap: project_raw.envmap != null ?
-					(same_drive ?
-						path_to_relative(project_filepath, project_raw.envmap) :
-						project_raw.envmap) :
-					null,
-		envmap_strength: scene_world.strength,
-		camera_world: mat4_to_f32_array(scene_camera.base.transform.local),
-		camera_origin: export_arm_vec3f32(camera_origins[0].v),
-		camera_fov: scene_camera.data.fov,
+	project_raw.version = manifest_version;
+	project_raw.material_groups = mgroups;
+	project_raw.assets = texture_files;
+	project_raw.packed_assets = packed_assets;
+	project_raw.swatches = project_raw.swatches;
+	project_raw.envmap = project_raw.envmap != null ?
+		(same_drive ?
+			path_to_relative(project_filepath, project_raw.envmap) :
+			project_raw.envmap) :
+		null;
+	project_raw.envmap_strength = scene_world.strength;
+	project_raw.camera_world = mat4_to_f32_array(scene_camera.base.transform.local);
+	project_raw.camera_origin = export_arm_vec3f32(camera_origins[0].v);
+	project_raw.camera_fov = scene_camera.data.fov;
 
-		///if (is_paint || is_sculpt)
-		mesh_datas: md,
-		material_nodes: mnodes,
-		brush_nodes: bnodes,
-		layer_datas: ld,
-		font_assets: font_files,
-		mesh_assets: mesh_files,
-		atlas_objects: project_atlas_objects,
-		atlas_names: project_atlas_names,
-		///end
+	///if (is_paint || is_sculpt)
+	// project_raw.mesh_datas = md; // TODO: fix GC ref
+	project_raw.mesh_datas.length = 0;
+	for (let i: i32 = 0; i < md.length; ++i) {
+		array_push(project_raw.mesh_datas, md[i]);
+	}
 
-		///if is_lab
-		mesh_data: md,
-		material: c,
-		///end
+	project_raw.material_nodes = mnodes;
+	project_raw.brush_nodes = bnodes;
+	project_raw.layer_datas = ld;
+	project_raw.font_assets = font_files;
+	project_raw.mesh_assets = mesh_files;
+	project_raw.atlas_objects = project_atlas_objects;
+	project_raw.atlas_names = project_atlas_names;
+	///end
 
-		///if (arm_metal || arm_vulkan)
-		is_bgra: true
-		///else
-		is_bgra: false
-		///end
-	};
+	///if is_lab
+	project_raw.mesh_data = md;
+	project_raw.material = c;
+	///end
+
+	///if (arm_metal || arm_vulkan)
+	project_raw.is_bgra = true;
+	///else
+	project_raw.is_bgra = false;
+	///end
 
 	///if (arm_android || arm_ios)
 	let rt: render_target_t = map_get(render_path_render_targets, context_raw.render_mode == render_mode_t.FORWARD ? "buf" : "tex");

base/sources/import_arm.ts

@@ -615,7 +615,7 @@ function import_arm_run_swatches_from_project(project: project_format_t, path: s
 
 	if (project.swatches != null) {
 		for (let i: i32 = 0; i < project.swatches.length; ++i) {
-			let s: swatch_color_t = project.swatches[i];
+			let s: swatch_color_t = util_clone_swatch_color(project.swatches[i]);
 			array_push(project_raw.swatches, s);
 		}
 	}

base/sources/project.ts

@@ -36,6 +36,7 @@ let _project_unwrap_mesh_box_skip_ui: bool;
 let _project_import_asset_hdr_as_envmap: bool;
 let _project_import_swatches_replace_existing: bool;
 let _project_reimport_texture_asset: asset_t;
+let _project_scene_mesh_gc: scene_t;
 
 function project_open() {
 	ui_files_show("arm", false, false, function (path: string) {
@@ -209,8 +210,8 @@ function project_new(reset_layers: bool = true) {
 		}
 		else {
 			let b: buffer_t = data_get_blob("meshes/" + project_mesh_list[context_raw.project_type] + ".arm");
-			let scene: scene_t = armpack_decode(b);
-			raw = scene.mesh_datas[0];
+			_project_scene_mesh_gc = armpack_decode(b);
+			raw = _project_scene_mesh_gc.mesh_datas[0];
 		}
 
 		let md: mesh_data_t = mesh_data_create(raw);

base/sources/slot_brush.ts

@@ -29,11 +29,13 @@ function slot_brush_create(c: ui_node_canvas_t = null): slot_brush_t {
 			slot_brush_default_canvas = b;
 		}
 		raw.canvas = armpack_decode(slot_brush_default_canvas);
+		raw.canvas = util_clone_canvas(raw.canvas); // Clone to create GC references
+
 		let id: i32 = (raw.id + 1);
 		raw.canvas.name = "Brush " + id;
 	}
 	else {
-		raw.canvas = c;
+		raw.canvas = util_clone_canvas(c);
 	}
 
 	return raw;

base/sources/slot_material.ts

@@ -54,11 +54,12 @@ function slot_material_create(m: material_data_t = null, c: ui_node_canvas_t = n
 			slot_material_default_canvas = b;
 		}
 		raw.canvas = armpack_decode(slot_material_default_canvas);
+		raw.canvas = util_clone_canvas(raw.canvas); // Clone to create GC references
 		let id: i32 = (raw.id + 1);
 		raw.canvas.name = "Material " + id;
 	}
 	else {
-		raw.canvas = c;
+		raw.canvas = util_clone_canvas(c);
 	}
 
 	///if (arm_android || arm_ios)

base/sources/util_clone.ts

@@ -380,3 +380,17 @@ function util_clone_obj(o: obj_t): obj_t {
     }
     return r;
 }
+
+function util_clone_swatch_color(s: swatch_color_t): swatch_color_t {
+    let r: swatch_color_t = {};
+    r.base = s.base;
+	r.opacity = s.opacity;
+	r.occlusion = s.occlusion;
+	r.roughness = s.roughness;
+	r.metallic = s.metallic;
+	r.normal = s.normal;
+	r.emission = s.emission;
+	r.height = s.height;
+	r.subsurface = s.subsurface;
+    return r;
+}