Fix saving slot names

Sources/arm/ProjectFormat.hx

@@ -17,6 +17,7 @@ typedef TProjectFormat = {
 }
 
 typedef TLayerData = {
+	public var name: String;
 	public var res: Int; // Width pixels
 	public var bpp: Int; // Bits per pixel
 	public var texpaint: haxe.io.Bytes;

Sources/arm/data/BrushSlot.hx

@@ -25,11 +25,10 @@ class BrushSlot {
 				});
 			}
 			canvas = Json.parse(defaultCanvas);
+			canvas.name = "Brush " + (id + 1);
 		}
 		else {
 			canvas = c;
 		}
-
-		canvas.name = "Brush " + (id + 1);
 	}
 }

Sources/arm/data/MaterialSlot.hx

@@ -44,12 +44,11 @@ class MaterialSlot {
 				});
 			}
 			canvas = Json.parse(defaultCanvas);
+			canvas.name = "Material " + (id + 1);
 		}
 		else {
 			canvas = c;
 		}
-
-		canvas.name = "Material " + (id + 1);
 	}
 
 	public function unload() {

Sources/arm/io/ExportArm.hx

@@ -46,6 +46,7 @@ class ExportArm {
 		var ld: Array<TLayerData> = [];
 		for (l in Project.layers) {
 			ld.push({
+				name: l.name,
 				res: l.texpaint != null ? l.texpaint.width : Project.layers[0].texpaint.width,
 				bpp: bpp,
 				texpaint: l.texpaint != null ? Lz4.encode(l.texpaint.getPixels()) : null,

Sources/arm/io/ImportArm.hx

@@ -191,6 +191,7 @@ class ImportArm {
 				var ld = project.layer_datas[i];
 				var isGroup = ld.texpaint == null;
 				var l = new LayerSlot("", isGroup);
+				if (ld.name != null) l.name = ld.name;
 				Project.layers.push(l);
 
 				if (!isGroup) {