added comments

internal/wad/wad.go

@@ -1,3 +1,5 @@
+// Extrahieren der "Rohen" Lump-Bytes einer WAD-Datei
+// siehe def Lumps: https://doomwiki.org/wiki/Lump
 package wad
 
 import (
@@ -31,6 +33,7 @@ type Wad struct {
 	path   string
 }
 
+// Öffnen der WAD und checks
 func Open(path string) (*Wad, error) {
 	f, err := os.Open(path)
 	if err != nil {
@@ -90,6 +93,7 @@ func Open(path string) (*Wad, error) {
 	return w, nil
 }
 
+// WAD Closing
 func (w *Wad) Close() error {
 	if w == nil || w.f == nil {
 		return nil
@@ -101,6 +105,7 @@ func (w *Wad) Close() error {
 
 func (w *Wad) Dir() []DirEntry { return w.dir }
 
+// Lessen der Lump roh Bytes
 func (w *Wad) ReadLump(i int) (name string, data []byte, err error) {
 	if i < 0 || i >= len(w.dir) {
 		return "", nil, fmt.Errorf("lump index out of range: %d", i)
@@ -118,6 +123,7 @@ func (w *Wad) ReadLump(i int) (name string, data []byte, err error) {
 	return name, buf, nil
 }
 
+// Extrahieren der Lump Namen aus den rohen Bytes
 func (w *Wad) ReadLumpByName(name string) ([]byte, int, error) {
 	want := strings.ToUpper(name)
 	for i, d := range w.dir {
@@ -129,6 +135,7 @@ func (w *Wad) ReadLumpByName(name string) ([]byte, int, error) {
 	return nil, -1, fmt.Errorf("lump %q not found", want)
 }
 
+// Finden der Map( start und ende) in der WAD
 func (w *Wad) FindMap(marker string) (start, end int, err error) {
 	m := strings.ToUpper(marker)
 	start = -1
@@ -151,6 +158,7 @@ func (w *Wad) FindMap(marker string) (start, end int, err error) {
 	return start, end, nil
 }
 
+// Laden der Map Lumps
 func (w *Wad) LoadMapLumps(marker string, names ...string) (map[string][]byte, error) {
 	start, end, err := w.FindMap(marker)
 	if err != nil {