70 lines
1.2 KiB
Go
70 lines
1.2 KiB
Go
package assetstore
|
|
|
|
import (
|
|
"log"
|
|
|
|
"github.com/hajimehoshi/ebiten"
|
|
|
|
"code.ur.gs/lupine/ordoor/internal/data"
|
|
)
|
|
|
|
type Object struct {
|
|
assets *AssetStore
|
|
images []*ebiten.Image
|
|
|
|
raw *data.Object
|
|
}
|
|
|
|
func (a *AssetStore) Object(name string) (*Object, error) {
|
|
name = canonical(name)
|
|
|
|
if obj, ok := a.objs[name]; ok {
|
|
return obj, nil
|
|
}
|
|
log.Printf("Loading object %v", name)
|
|
|
|
filename, err := a.lookup(name, "obj", "Obj")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
raw, err := data.LoadObjectLazily(filename)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
raw.Name = name
|
|
|
|
obj := &Object{
|
|
assets: a,
|
|
images: make([]*ebiten.Image, int(raw.NumSprites)),
|
|
raw: raw,
|
|
}
|
|
a.objs[name] = obj
|
|
|
|
return obj, nil
|
|
}
|
|
|
|
// Filled lazily
|
|
func (o *Object) Image(idx int) (*ebiten.Image, error) {
|
|
if img := o.images[idx]; img != nil {
|
|
return img, nil
|
|
}
|
|
log.Printf("Loading sprite %v %v", o.raw.Name, idx)
|
|
|
|
if o.raw.Sprites[idx] == nil {
|
|
if err := o.raw.LoadSprite(idx); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
stdImg := o.raw.Sprites[idx].ToImage()
|
|
img, err := ebiten.NewImageFromImage(stdImg, ebiten.FilterDefault)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
o.images[idx] = img
|
|
|
|
return img, nil
|
|
}
|