assetbundling/

Asset Bundling Demo

What does it do?

It demonstrates how one can bundle assets into their binary to reduce distribution complexity

What are important aspects of the code?

These lines are key in this demo:

• import _ "github.com/go-bindata/go-bindata" to track go-bindata in go.mod
• //go:generate go-bindata -pkg=assets ./... to setup the go generate tool
• data, err := assets.Asset(file) to retrieve a bundled asset
• err = engo.Files.LoadReaderData(file, bytes.NewReader(data)) to load it into engo.Files

Load each file in a list

func (s *GameScene) Preload() {
	files := []string{
		"tilemap.tmx",
		"sprites.png,
	}
	for _, file := range files {
		data, err := assets.Asset(file)
		if err != nil {
			log.Fatalf("Unable to locate asset with URL: %v\n", file)
		}
		err = engo.Files.LoadReaderData(file, bytes.NewReader(data))
		if err != nil {
			log.Fatalf("Unable to load asset with URL: %v\n", file)
		}
	}
}

Setup a bundler go file to use go generate

assets/assets.go

//!build

package assets

import (
	// go-bindata required for code generation
	_ "github.com/go-bindata/go-bindata"
)

//go:generate go-bindata -pkg=assets ./...
//go:generate gofmt -s -w .