UNTESTED: ebiten v2

internal/ui/window.go

@@ -8,9 +8,9 @@ import (
 	"runtime/debug"
 	"runtime/pprof"
 
-	"github.com/hajimehoshi/ebiten"
-	"github.com/hajimehoshi/ebiten/ebitenutil"
-	"github.com/hajimehoshi/ebiten/inpututil"
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/ebitenutil"
+	"github.com/hajimehoshi/ebiten/v2/inpututil"
 )
 
 type Game interface {
@@ -53,8 +53,6 @@ type Window struct {
 //
 // ebiten assumes a single window, so only call this once...
 func NewWindow(game Game, title string, xRes int, yRes int) (*Window, error) {
-	ebiten.SetRunnableInBackground(true)
-
 	return &Window{
 		Title:    title,
 		debug:    true,
@@ -109,10 +107,12 @@ func (w *Window) drawCursor(screen *ebiten.Image) error {
 
 	ebiten.SetCursorMode(ebiten.CursorModeHidden)
 
-	return screen.DrawImage(cursor, op)
+	screen.DrawImage(cursor, op)
+
+	return nil
 }
 
-func (w *Window) Update(screen *ebiten.Image) (outErr error) {
+func (w *Window) Update() (outErr error) {
 	// Ebiten does not like it if we panic inside its main loop
 	defer func() {
 		if panicErr := recover(); panicErr != nil {
@@ -124,7 +124,8 @@ func (w *Window) Update(screen *ebiten.Image) (outErr error) {
 		}
 	}()
 
-	if err := w.game.Update(screen.Size()); err != nil {
+	// FIXME: remove need for update generally
+	if err := w.game.Update(w.xRes, w.yRes); err != nil {
 		return err
 	}
 
@@ -157,13 +158,11 @@ func (w *Window) Update(screen *ebiten.Image) (outErr error) {
 		}
 	}
 
-	if ebiten.IsDrawingSkipped() {
-		return nil
-	}
+	return nil
+}
 
-	if err := w.game.Draw(screen); err != nil {
-		return err
-	}
+func (w *Window) Draw(screen *ebiten.Image) {
+	w.game.Draw(screen)
 
 	if w.debug {
 		// Draw FPS, etc, to the screen
@@ -172,7 +171,7 @@ func (w *Window) Update(screen *ebiten.Image) (outErr error) {
 	}
 
 	// Draw the cursor last
-	return w.drawCursor(screen)
+	w.drawCursor(screen)
 }
 
 // TODO: a stop or other cancellation mechanism