rename to Constructor to Konstructor

konstructor/engine.go

@@ -0,0 +1,26 @@
+package konstructor
+
+import (
+	"image/color"
+
+	"github.com/hajimehoshi/ebiten"
+)
+
+type GameEngine struct {
+	Konstructor Konstructor
+}
+
+func (g *GameEngine) Update(screen *ebiten.Image) error {
+	g.Konstructor.Controller.Watch()
+	return nil
+}
+
+func (g *GameEngine) Draw(screen *ebiten.Image) {
+	if g.Konstructor.Controller.UpPressed() {
+		screen.Fill(color.White)
+	}
+}
+
+func (g *GameEngine) Layout(outsideWidth, outsideHeight int) (int, int) {
+	return g.Konstructor.GameSettings.ScreenSettings.Width, g.Konstructor.GameSettings.ScreenSettings.Height
+}

konstructor/keyboard.go

@@ -0,0 +1,69 @@
+package konstructor
+
+import (
+	"fmt"
+	"reflect"
+
+	"github.com/hajimehoshi/ebiten"
+	"github.com/hajimehoshi/ebiten/inpututil"
+)
+
+type KeyMap struct {
+	Up      ebiten.Key
+	Down    ebiten.Key
+	Right   ebiten.Key
+	Left    ebiten.Key
+	Action0 ebiten.Key
+	Action1 ebiten.Key
+	Action2 ebiten.Key
+	Action3 ebiten.Key
+}
+
+type Controller struct {
+	PressedKey ebiten.Key
+	KeyMap     KeyMap
+}
+
+func (k *Controller) Watch() {
+	values := reflect.ValueOf(k.KeyMap)
+
+	for i := 0; i < values.NumField(); i++ {
+		key := values.Field(i).Interface().(ebiten.Key)
+		if inpututil.IsKeyJustPressed(key) {
+			fmt.Printf("Key pressed: %s\n", key)
+			k.PressedKey = key
+		}
+	}
+}
+
+func (k *Controller) UpPressed() bool {
+	return k.PressedKey == k.KeyMap.Up
+}
+
+func (k *Controller) DownPressed() bool {
+	return k.PressedKey == k.KeyMap.Down
+}
+
+func (k *Controller) RightPressed() bool {
+	return k.PressedKey == k.KeyMap.Right
+}
+
+func (k *Controller) LeftPressed() bool {
+	return k.PressedKey == k.KeyMap.Left
+}
+
+func (k *Controller) Action0Pressed() bool {
+	return k.PressedKey == k.KeyMap.Action0
+}
+
+func (k *Controller) Action1Pressed() bool {
+	return k.PressedKey == k.KeyMap.Action1
+}
+
+func (k *Controller) Action2Pressed() bool {
+	return k.PressedKey == k.KeyMap.Action2
+}
+
+func (k *Controller) Action3Pressed() bool {
+	return k.PressedKey == k.KeyMap.Action3
+}

konstructor/konstructor.go

@@ -0,0 +1,41 @@
+package konstructor
+
+import (
+	"log"
+
+	"github.com/hajimehoshi/ebiten"
+)
+
+type ContextInterface interface {
+}
+
+type DomainInterface interface {
+	Init()
+}
+
+type ScreenSettings struct {
+	Width  int
+	Height int
+}
+
+type GameSettings struct {
+	Name           string
+	ScreenSettings ScreenSettings
+}
+
+type Konstructor struct {
+	Context      ContextInterface
+	Domain       DomainInterface
+	Controller   Controller
+	GameSettings GameSettings
+}
+
+func (k Konstructor) Init() {
+	ebiten.SetWindowSize(k.GameSettings.ScreenSettings.Width, k.GameSettings.ScreenSettings.Height)
+	ebiten.SetWindowTitle(k.GameSettings.Name)
+	if err := ebiten.RunGame(&GameEngine{
+		Konstructor: k,
+	}); err != nil {
+		log.Fatal(err)
+	}
+}

konstructor/utils.go

@@ -0,0 +1,32 @@
+package konstructor
+
+import (
+	"bytes"
+	"image"
+	"io/ioutil"
+	"log"
+
+	_ "image/png"
+
+	"github.com/hajimehoshi/ebiten"
+)
+
+func LoadImage(path string) *ebiten.Image {
+
+	file, err := ioutil.ReadFile(path) //read the content of file
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	img, _, err := image.Decode(bytes.NewReader(file))
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	out, err := ebiten.NewImageFromImage(img, 0)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return out
+}