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OpenDiablo2/d2core/d2asset/palette_manager.go
lord fe992699b5
fix lint errors in d2interface (#684)
- fixed lint errors in d2interface
- removed `archived_` from interface names, was not necessary
- removed the Bitmuncher and Bitstream interfaces, as they are too specific and unnecessary
2020-08-04 22:53:36 -04:00

57 lines
1.3 KiB
Go

package d2asset
import (
"github.com/OpenDiablo2/OpenDiablo2/d2common"
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2dat"
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface"
)
// Static checks to confirm struct conforms to interface
var _ d2interface.PaletteManager = &paletteManager{}
var _ d2interface.Cacher = &paletteManager{}
type paletteManager struct {
cache d2interface.Cache
}
const (
paletteBudget = 64
)
func createPaletteManager() d2interface.PaletteManager {
return &paletteManager{d2common.CreateCache(paletteBudget)}
}
// LoadPalette loads a palette from archives managed by the ArchiveManager
func (pm *paletteManager) LoadPalette(palettePath string) (d2interface.Palette, error) {
if palette, found := pm.cache.Retrieve(palettePath); found {
return palette.(d2interface.Palette), nil
}
paletteData, err := LoadFile(palettePath)
if err != nil {
return nil, err
}
palette, err := d2dat.Load(paletteData)
if err != nil {
return nil, err
}
if err := pm.cache.Insert(palettePath, palette, 1); err != nil {
return nil, err
}
return palette, nil
}
// ClearCache clears the palette cache
func (pm *paletteManager) ClearCache() {
pm.cache.Clear()
}
// GetCache returns the palette managers cache
func (pm *paletteManager) GetCache() d2interface.Cache {
return pm.cache
}