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Doc
2025-08-18 12:48:48 +02:00
parent 2af5bd222e
commit bb9a47cd6d
2 changed files with 19 additions and 0 deletions
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8
internal/wad/wad.go
View File

@@ -1,3 +1,5 @@
// Extrahieren der "Rohen" Lump-Bytes einer WAD-Datei
// siehe def Lumps: https://doomwiki.org/wiki/Lump
package wad package wad
import ( import (
@@ -31,6 +33,7 @@ type Wad struct {
path string path string
} }
// Öffnen der WAD und checks
func Open(path string) (*Wad, error) { func Open(path string) (*Wad, error) {
f, err := os.Open(path) f, err := os.Open(path)
if err != nil { if err != nil {
@@ -90,6 +93,7 @@ func Open(path string) (*Wad, error) {
return w, nil return w, nil
} }
// WAD Closing
func (w *Wad) Close() error { func (w *Wad) Close() error {
if w == nil || w.f == nil { if w == nil || w.f == nil {
return nil return nil
@@ -101,6 +105,7 @@ func (w *Wad) Close() error {
func (w *Wad) Dir() []DirEntry { return w.dir } 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) { func (w *Wad) ReadLump(i int) (name string, data []byte, err error) {
if i < 0 || i >= len(w.dir) { if i < 0 || i >= len(w.dir) {
return "", nil, fmt.Errorf("lump index out of range: %d", i) 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 return name, buf, nil
} }
// Extrahieren der Lump Namen aus den rohen Bytes
func (w *Wad) ReadLumpByName(name string) ([]byte, int, error) { func (w *Wad) ReadLumpByName(name string) ([]byte, int, error) {
want := strings.ToUpper(name) want := strings.ToUpper(name)
for i, d := range w.dir { 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) 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) { func (w *Wad) FindMap(marker string) (start, end int, err error) {
m := strings.ToUpper(marker) m := strings.ToUpper(marker)
start = -1 start = -1
@@ -151,6 +158,7 @@ func (w *Wad) FindMap(marker string) (start, end int, err error) {
return start, end, nil return start, end, nil
} }
// Laden der Map Lumps
func (w *Wad) LoadMapLumps(marker string, names ...string) (map[string][]byte, error) { func (w *Wad) LoadMapLumps(marker string, names ...string) (map[string][]byte, error) {
start, end, err := w.FindMap(marker) start, end, err := w.FindMap(marker)
if err != nil { if err != nil {

11
main.go
View File

@@ -1,6 +1,7 @@
package main package main
import ( import (
"bspviz/internal/mapfmt"
"bspviz/internal/wad" "bspviz/internal/wad"
"flag" "flag"
"fmt" "fmt"
@@ -48,6 +49,7 @@ func main() {
} }
fmt.Printf("Map %s: Directory [%d, %d)\n", strings.ToUpper(*mapMarker), start, end) fmt.Printf("Map %s: Directory [%d, %d)\n", strings.ToUpper(*mapMarker), start, end)
//info über die daten in WAD
if *info { if *info {
lumps, err := w.LoadMapLumps(*mapMarker, "VERTEXES", "LINEDEFS") lumps, err := w.LoadMapLumps(*mapMarker, "VERTEXES", "LINEDEFS")
if err != nil { if err != nil {
@@ -55,12 +57,20 @@ func main() {
} }
vb := lumps["VERTEXES"] vb := lumps["VERTEXES"]
lb := lumps["LINEDEFS"] lb := lumps["LINEDEFS"]
m, err := mapfmt.LoadMap(lumps)
if err != nil {
log.Fatal(err)
}
verts := len(vb) / 4 verts := len(vb) / 4
lines := len(lb) / 14 lines := len(lb) / 14
fmt.Printf("VERTEXES: bytes=%d count=%d\n", len(vb), verts) fmt.Printf("VERTEXES: bytes=%d count=%d\n", len(vb), verts)
fmt.Printf("LINEDEFS: bytes=%d count=%d\n", len(lb), lines) fmt.Printf("LINEDEFS: bytes=%d count=%d\n", len(lb), lines)
fmt.Printf("Map has %d vertices and %d linedefs\n", len(m.Vertices), len(m.Linedefs))
fmt.Printf("First vertex: %+v\n", m.Vertices[0])
fmt.Printf("First linedef: %+v\n", m.Linedefs[0])
if len(vb)%4 != 0 { if len(vb)%4 != 0 {
fmt.Println("WARN: VERTEXES size ist kein Vielfaches von 4 → Format prüfen") fmt.Println("WARN: VERTEXES size ist kein Vielfaches von 4 → Format prüfen")
} }
@@ -69,6 +79,7 @@ func main() {
} }
} }
// Generiert einzelne Lump Dateien zum Debugen
if *extract != "" { if *extract != "" {
want := strings.Split(*extract, ",") want := strings.Split(*extract, ",")
for i := range want { for i := range want {