fluids/resources/images.go

package resources

import (
	"bytes"
	"image"
	"log"

	_ "embed"

	"github.com/hajimehoshi/ebiten/v2"
)

type ImageName string

const (
	RoundedBottomFlaskBase          ImageName = "RoundedBottomFlaskBase"
	RoundedBottomFlaskHighlights    ImageName = "RoundedBottomFlaskHighlights"
	RoundedBottomFlaskBoundaryMap   ImageName = "RoundedBottomFlaskBoundaryMap"
	RoundedBottomFlaskBoundaryMap46 ImageName = "RoundedBottomFlaskBoundaryMap46"
)

var (
	ImageBank map[ImageName]*ebiten.Image

	//go:embed rounded_bottom_flask_base.png
	rounded_bottom_flask_base []byte
	//go:embed rounded_bottom_flask_highlights.png
	rounded_bottom_flask_highlight []byte
	//go:embed rounded_bottom_flask_boundary_map.png
	rounded_bottom_flask_boundary_map []byte
	//go:embed rounded_bottom_flask_boundary_map_46.png
	rounded_bottom_flask_boundary_map_46 []byte
)

func LoadImages() {
	ImageBank = make(map[ImageName]*ebiten.Image)
	ImageBank[RoundedBottomFlaskBase] = LoadImagesFatal(rounded_bottom_flask_base)
	ImageBank[RoundedBottomFlaskHighlights] = LoadImagesFatal(rounded_bottom_flask_highlight)
	ImageBank[RoundedBottomFlaskBoundaryMap] = LoadImagesFatal(rounded_bottom_flask_boundary_map)
	ImageBank[RoundedBottomFlaskBoundaryMap46] = LoadImagesFatal(rounded_bottom_flask_boundary_map_46)
}

func LoadImagesFatal(b []byte) *ebiten.Image {
	img, _, err := image.Decode(bytes.NewReader(b))
	if err != nil {
		log.Fatal(err)
	}
	return ebiten.NewImageFromImage(img)
}