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chared.go
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chared.go
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package olded
import (
"encoding/json"
"fmt"
"io/fs"
"log"
"os"
"path"
"strconv"
"strings"
"github.com/mb0/babasite/game/ids"
"github.com/mb0/babasite/game/pix"
)
func (s *store) loadAssets(path string) error {
err := ensureDir(path)
if err != nil {
return err
}
dirfs := os.DirFS(path)
files, err := fs.ReadDir(dirfs, ".")
if err != nil {
return err
}
pal := &Pal{Name: "default", Feats: []*Feat{
{Name: "basic", Colors: []Color{0xffffff, 0x000000}},
{Name: "skin", Colors: []Color{0xffcbb8, 0xfca99a, 0xc58e81, 0x190605}},
{Name: "eyes", Colors: []Color{0xfffff0, 0x1a5779, 0x110100}},
{Name: "hair", Colors: []Color{0xf1ba60, 0xc47e31, 0x604523, 0x090100}},
{Name: "shirt", Colors: []Color{0xa9cc86, 0x6e8e52, 0x51683b, 0x040000}},
{Name: "pants", Colors: []Color{0x484a49, 0x303030, 0x282224, 0x170406}},
{Name: "shoes", Colors: []Color{0xb16f4b, 0x82503e, 0x3f1f15, 0x030000}},
}}
s.Pals[pal.Name] = pal
for _, f := range files {
name := f.Name()
if f.IsDir() {
// parse as asset
_, err := s.loadAsset(dirfs, name)
if err != nil {
if err != fs.ErrNotExist {
log.Printf("error reading %s/%s: %v", path, name, err)
}
continue
}
} else if strings.HasSuffix(name, ".json") {
// parse as palette
_, err := s.loadPal(dirfs, name[:len(name)-5])
if err != nil {
log.Printf("error reading palette %s: %v", name, err)
continue
}
}
}
return nil
}
func (s *store) loadPal(fs fs.FS, name string) (*Pal, error) {
pal, err := readPal(fs, fmt.Sprintf("%s.json", name))
if err != nil {
return nil, err
}
pal.Name = name
s.Pals[name] = pal
return pal, nil
}
func (s *store) loadAsset(fs fs.FS, name string) (*Asset, error) {
a, err := readAsset(fs, name)
if err != nil {
return nil, err
}
s.Assets[name] = a
return a, nil
}
func readPal(dir fs.FS, pat string) (*Pal, error) {
raw, err := fs.ReadFile(dir, pat)
if err != nil {
return nil, err
}
var p Pal
err = json.Unmarshal(raw, &p)
return &p, err
}
func readAssetInfo(dir fs.FS, pat string) (m AssetInfo, err error) {
raw, err := fs.ReadFile(dir, path.Join(pat, "asset.json"))
if err != nil {
return m, err
}
err = json.Unmarshal(raw, &m)
if err != nil {
return m, err
}
if m.Kind == "" || m.W <= 0 || m.H <= 0 {
return m, fmt.Errorf("unknown asset kind")
}
return m, nil
}
func readAsset(dir fs.FS, pat string) (*Asset, error) {
m, err := readAssetInfo(dir, pat)
if err != nil {
return nil, err
}
pics, max, err := readPics(dir, pat)
if err != nil {
return nil, err
}
m.Name = path.Base(pat)
return &Asset{AssetInfo: m, Pics: pics, Last: max}, nil
}
func readPics(dir fs.FS, apath string) (m map[ids.Pic]*Pic, max ids.Pic, _ error) {
files, err := fs.ReadDir(dir, apath)
if err != nil {
return nil, 0, err
}
m = make(map[ids.Pic]*Pic)
for _, f := range files {
if f.IsDir() {
continue
}
name := f.Name()
uid, err := strconv.ParseUint(name, 10, 32)
if err != nil {
continue
}
sel, err := readSel(dir, path.Join(apath, name))
if err != nil {
return nil, 0, err
}
id := ids.Pic(uid)
if id > max {
max = id
}
m[id] = &Pic{ID: id, Pix: sel}
}
return m, max, nil
}
func readSel(dir fs.FS, path string) (sel pix.Pix, err error) {
raw, err := fs.ReadFile(dir, path)
if err != nil {
return sel, err
}
err = sel.UnmarshalBinary(raw)
return sel, err
}
func ensureDir(path string) error {
d, err := os.Stat(path)
if err != nil {
if os.IsNotExist(err) {
return os.MkdirAll(path, 0755)
}
return err
} else if !d.IsDir() {
return fmt.Errorf("expect dir")
}
return nil
}