Brush import export

Sources/arm/io/ExportArm.hx

@@ -112,6 +112,38 @@ class ExportArm {
 		Krom.fileSaveBytes(path, bytes.getData());
 	}
 
+	public static function runBrush(path: String) {
+		var bnodes: Array<TNodeCanvas> = [];
+		var b = Context.brush;
+		var c: TNodeCanvas = Json.parse(Json.stringify(b.canvas));
+		var assets: Array<TAsset> = [];
+		for (n in c.nodes) {
+			if (n.type == "TEX_IMAGE") {
+				var index = n.buttons[0].default_value;
+				n.buttons[0].data = App.enumTexts(n.type)[index];
+
+				var asset = Project.assets[index];
+				if (assets.indexOf(asset) == -1) {
+					assets.push(asset);
+				}
+			}
+		}
+		bnodes.push(c);
+
+		var texture_files = assetsToFiles(assets);
+
+		var raw = {
+			version: App.version,
+			brush_nodes: bnodes,
+			brush_icons: [Lz4.encode(b.image.getPixels())],
+			assets: texture_files
+		};
+
+		var bytes = ArmPack.encode(raw);
+		if (!path.endsWith(".arm")) path += ".arm";
+		Krom.fileSaveBytes(path, bytes.getData());
+	}
+
 	static function assetsToFiles(assets: Array<TAsset>): Array<String> {
 		var texture_files: Array<String> = [];
 		for (a in assets) {

Sources/arm/io/ImportArm.hx

@@ -316,6 +316,52 @@ class ImportArm {
 		Data.deleteBlob(path);
 	}
 
+	public static function runBrush(path: String) {
+		Data.getBlob(path, function(b: Blob) {
+			var project: TProjectFormat = ArmPack.decode(b.toBytes());
+			if (project.version == null) { Data.deleteBlob(path); return; }
+			runBrushFromProject(project, path);
+		});
+	}
+
+	public static function runBrushFromProject(project: TProjectFormat, path: String) {
+		var base = Path.baseDir(path);
+		for (file in project.assets) {
+			#if krom_windows
+			file = file.replace("/", "\\");
+			#else
+			file = file.replace("\\", "/");
+			#end
+			// Convert image path from relative to absolute
+			var abs = Data.isAbsolute(file) ? file : base + file;
+			if (!File.exists(abs)) {
+				makePink(abs);
+			}
+			arm.io.ImportTexture.run(abs);
+		}
+
+		var imported: Array<BrushSlot> = [];
+
+		for (n in project.brush_nodes) {
+			initNodes(n.nodes);
+			Context.brush = new BrushSlot(n);
+			Project.brushes.push(Context.brush);
+			imported.push(Context.brush);
+		}
+
+		function makeBrushPreview(_) {
+			for (b in imported) {
+				Context.setBrush(b);
+				RenderUtil.makeBrushPreview();
+			}
+			iron.App.removeRender(makeBrushPreview);
+		}
+		iron.App.notifyOnRender(makeBrushPreview);
+
+		UITrait.inst.hwnd1.redraws = 2;
+		Data.deleteBlob(path);
+	}
+
 	static function makePink(abs: String) {
 		Log.error(Strings.error2 + abs);
 		var b = Bytes.alloc(4);