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OpenDiablo2/d2core/d2asset/palette_manager.go
dk c1a88c9cf7
Animation manager abstraction (#544)
* abstracted palettes, colors, and palette manager

* make asset manager use the palette manager interface

* added BGRA setter/getter, fixed lint errors

* abstraction for animation and animation manager
2020-07-05 13:01:44 -04:00

42 lines
872 B
Go

package d2asset
import (
"github.com/OpenDiablo2/OpenDiablo2/d2common"
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2dat"
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface"
)
type paletteManager struct {
cache d2interface.Cache
}
const (
paletteBudget = 64
)
func createPaletteManager() *paletteManager {
return &paletteManager{d2common.CreateCache(paletteBudget)}
}
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
}