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