Important fixes for ArmorPaint + suggestion

.gitignore

@@ -6,3 +6,4 @@ armorlab/assets/models/*.onnx
 armorlab/assets/models/*.json
 armorlab/assets/models/*.txt
 armorlab/assets/models/*.zip
+.ccls-cache

armorcore/sources/ts/data.ts

@@ -323,8 +323,11 @@ function data_is_abs(file: string): bool {
 	return char_at(file, 0) == "/" || char_at(file, 1) == ":" || (char_at(file, 0) == "\\" && char_at(file, 1) == "\\");
 }
 
-function data_is_up(file: string): bool {
-	return char_at(file, 0) == "." && char_at(file, 1) == ".";
+function data_is_rel(file: string): bool { // This function does not check for paths that
+										   // don't begin in `.` or `..`, such paths are
+										   // used in the code as `./data` paths. Read
+										   // the comment I've written at import_arm.ts:4
+	return char_at(file, 0) == "." || (char_at(file, 0) == "." && char_at(file, 1) == ".");
 }
 
 function data_base_name(path: string): string {
@@ -333,7 +336,7 @@ function data_base_name(path: string): string {
 }
 
 function data_resolve_path(file: string): string {
-	if (data_is_abs(file) || data_is_up(file)) {
+	if (data_is_abs(file) || data_is_rel(file)) {
 		return file;
 	}
 	return data_path() + file;

base/sources/export_arm.ts

@@ -141,11 +141,17 @@ function export_arm_run_project() {
 	project_raw.camera_fov = scene_camera.data.fov;
 
 	///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]);
-	}
+	project_raw.mesh_datas = md; // TODO: fix GC ref // Best to keep an eye on this, there
+								 // might be a bug reintroduced, or it might have been
+								 // fixed already.
+//	project_raw.mesh_datas.length = 0; // This code assigns something to a null variable,
+									   // which prevents saving any project. (At least in ArmorPaint.)
+									   // Runtime tests may help prevent this kind of thing
+									   // from happening again, because this is code that
+									   // *does* make its way on the stores...
+//	for (let i: i32 = 0; i < md.length; ++i) {
+//		array_push(project_raw.mesh_datas, md[i]);
+//	}
 
 	project_raw.material_nodes = mnodes;
 	project_raw.brush_nodes = bnodes;

base/sources/import_arm.ts

@@ -1,7 +1,16 @@
 
 let scene_raw_gc: scene_t;
 
-function import_arm_run_project(path: string) {
+function import_arm_run_project(path: string) { // This function should be rewritten to support
+												// relative paths passed on the command line,
+												// including just names. Paths starting from
+												// the current directory now work, but not
+												// names only, which is fundamentally
+												// impossible to implement unless this code was
+												// written to support it. Assuming people on
+												// Linux aren't going to use a command line
+												// and assuming all paths are full, absolute
+												// paths is a bad assumption to make.
 	let b: buffer_t = data_get_blob(path);
 	let project: project_format_t;
 	let import_as_mesh: bool = false;