cgen: do full struct initialisation for V structs, fixes invalid data from map[string]Struct{}['unknown'] (#9878)

examples/sokol/06_obj_viewer/modules/obj/util.v

@@ -0,0 +1,44 @@
+module obj
+
+import os
+
+// read a file as single lines
+pub fn read_lines_from_file(file_path string) []string {
+	mut path := ''
+	mut rows := []string{}
+	$if android {
+		path = 'models/' + file_path
+		bts := os.read_apk_asset(path) or {
+			eprintln('File [$path] NOT FOUND!')
+			return rows
+		}
+		rows = bts.bytestr().split_into_lines()
+	} $else {
+		path = os.resource_abs_path('assets/models/' + file_path)
+		rows = os.read_lines(path) or {
+			eprintln('File [$path] NOT FOUND! file_path: $file_path')
+			return rows
+		}
+	}
+	return rows
+}
+
+// read a file as []byte
+pub fn read_bytes_from_file(file_path string) []byte {
+	mut path := ''
+	mut buffer := []byte{}
+	$if android {
+		path = 'models/' + file_path
+		buffer = os.read_apk_asset(path) or {
+			eprintln('Texure file: [$path] NOT FOUND!')
+			exit(0)
+		}
+	} $else {
+		path = os.resource_abs_path('assets/models/' + file_path)
+		buffer = os.read_bytes(path) or {
+			eprintln('Texure file: [$path] NOT FOUND!')
+			exit(0)
+		}
+	}
+	return buffer
+}