removed debug printer singleton from d2util (#901)

resolves #504

d2common/d2interface/renderer.go

@@ -1,5 +1,7 @@
 package d2interface
 
+import "github.com/hajimehoshi/ebiten/v2"
+
 type renderCallback = func(Surface) error
 
 type updateCallback = func() error
@@ -19,4 +21,6 @@ type Renderer interface {
 	GetCursorPos() (int, int)
 	CurrentFPS() float64
 	ShowPanicScreen(message string)
+	Print(target *ebiten.Image, str string) error
+	PrintAt(target *ebiten.Image, str string, x, y int)
 }

d2common/d2util/debug_print.go

@@ -13,9 +13,6 @@ const (
 	ch = assets.CharHeight
 )
 
-// DebugPrinter is the global debug printer
-var DebugPrinter = NewDebugPrinter() //nolint:gochecknoglobals // currently global by design
-
 // NewDebugPrinter creates a new debug printer
 func NewDebugPrinter() *GlyphPrinter {
 	img := ebiten.NewImageFromImage(assets.CreateTextImage())

d2core/d2render/ebiten/ebiten_renderer.go

@@ -4,6 +4,8 @@ import (
 	"errors"
 	"image"
 
+	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2util"
+
 	"github.com/hajimehoshi/ebiten/v2"
 	"github.com/hajimehoshi/ebiten/v2/ebitenutil"
 
@@ -34,6 +36,7 @@ var _ d2interface.Renderer = &Renderer{}
 type Renderer struct {
 	updateCallback
 	renderCallback
+	*d2util.GlyphPrinter
 	lastRenderError error
 }
 
@@ -67,7 +70,9 @@ func (r *Renderer) Layout(_, _ int) (width, height int) {
 
 // CreateRenderer creates an ebiten renderer instance
 func CreateRenderer(cfg *d2config.Configuration) (*Renderer, error) {
-	result := &Renderer{}
+	result := &Renderer{
+		GlyphPrinter: d2util.NewDebugPrinter(),
+	}
 
 	if cfg != nil {
 		config := cfg

d2core/d2render/ebiten/ebiten_surface.go

@@ -11,7 +11,6 @@ import (
 
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface"
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2util"
 )
 
 // static check that we implement our interface
@@ -208,7 +207,7 @@ func (s *ebitenSurface) handleStateEffect(opts *ebiten.DrawImageOptions) {
 // DrawTextf renders the string to the surface with the given format string and a set of parameters
 func (s *ebitenSurface) DrawTextf(format string, params ...interface{}) {
 	str := fmt.Sprintf(format, params...)
-	d2util.DebugPrinter.PrintAt(s.image, str, s.stateCurrent.x, s.stateCurrent.y)
+	s.Renderer().PrintAt(s.image, str, s.stateCurrent.x, s.stateCurrent.y)
 }
 
 // DrawLine draws a line