package system import ( "fmt" _ "image/png" "code.rocketnine.space/tslocum/gohan" "code.rocketnine.space/tslocum/monovania/component" "code.rocketnine.space/tslocum/monovania/engine" "code.rocketnine.space/tslocum/monovania/world" "github.com/hajimehoshi/ebiten/v2" "github.com/hajimehoshi/ebiten/v2/ebitenutil" ) type RenderDebugTextSystem struct { player gohan.Entity op *ebiten.DrawImageOptions debugImg *ebiten.Image } func NewRenderDebugTextSystem(player gohan.Entity) *RenderDebugTextSystem { s := &RenderDebugTextSystem{ player: player, op: &ebiten.DrawImageOptions{}, debugImg: ebiten.NewImage(200, 200), } return s } func (s *RenderDebugTextSystem) Needs() []gohan.ComponentID { return []gohan.ComponentID{ component.PositionComponentID, component.VelocityComponentID, component.WeaponComponentID, } } func (s *RenderDebugTextSystem) Uses() []gohan.ComponentID { return nil } func (s *RenderDebugTextSystem) Update(_ *gohan.Context) error { return gohan.ErrSystemWithoutUpdate } func (s *RenderDebugTextSystem) Draw(ctx *gohan.Context, screen *ebiten.Image) error { if world.World.Debug <= 0 { return nil } position := component.Position(ctx) velocity := component.Velocity(ctx) s.debugImg.Clear() s.op.GeoM.Reset() s.op.GeoM.Scale(2, 2) ebitenutil.DebugPrint(s.debugImg, fmt.Sprintf("POS %.0f,%.0f\nVEL %.2f,%.2f\nENT %d\nUPD %d\nDRA %d\nTPS %0.0f\nFPS %0.0f", position.X, position.Y, velocity.X, velocity.Y, engine.Engine.CurrentEntities(), engine.Engine.CurrentUpdates(), engine.Engine.CurrentDraws(), ebiten.CurrentTPS(), ebiten.CurrentFPS())) screen.DrawImage(s.debugImg, s.op) return nil }