55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
package assets
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import (
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"embed"
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"image"
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_ "image/png"
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"log"
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"log/slog"
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"os"
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"path/filepath"
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"strings"
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"github.com/hajimehoshi/ebiten/v2"
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)
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// Maps image name to image data
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type AssetRegistry map[string]*ebiten.Image
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//go:embed sprites/*.png fonts/*.ttf levels/*.ldtk
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var assetfs embed.FS
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var Assets = LoadImages("sprites")
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func LoadImages(dir string) AssetRegistry {
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images := AssetRegistry{}
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// we use embed.FS to iterate over all files in ./assets/
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entries, err := assetfs.ReadDir(dir)
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if err != nil {
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log.Fatalf("failed to read assets dir %s: %s", dir, err)
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}
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for _, imagefile := range entries {
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path := filepath.Join("assets", dir, imagefile.Name())
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fd, err := os.Open(path)
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if err != nil {
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log.Fatalf("failed to open image file %s: %s", imagefile.Name(), err)
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}
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defer fd.Close()
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name := strings.TrimSuffix(imagefile.Name(), ".png")
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img, _, err := image.Decode(fd)
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if err != nil {
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log.Fatalf("failed to decode image %s: %s", imagefile.Name(), err)
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}
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images[name] = ebiten.NewImageFromImage(img)
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slog.Debug("loaded asset", "path", path)
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}
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return images
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}
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