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50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
//go:build example
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// +build example
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package system
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import (
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"fmt"
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"code.rocketnine.space/tslocum/gohan"
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"code.rocketnine.space/tslocum/gohan/examples/twinstick/component"
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"code.rocketnine.space/tslocum/gohan/examples/twinstick/world"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/ebitenutil"
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)
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type printInfoSystem struct {
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img *ebiten.Image
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op *ebiten.DrawImageOptions
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player gohan.Entity
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}
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func NewPrintInfoSystem(player gohan.Entity) *printInfoSystem {
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p := &printInfoSystem{
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img: ebiten.NewImage(200, 100),
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op: &ebiten.DrawImageOptions{},
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player: player,
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}
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p.op.GeoM.Scale(2, 2)
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return p
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}
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func (s *printInfoSystem) Components() []gohan.ComponentID {
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return []gohan.ComponentID{
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component.WeaponComponentID,
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}
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}
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func (s *printInfoSystem) Update(ctx *gohan.Context) error {
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return gohan.ErrSystemWithoutUpdate
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}
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func (s *printInfoSystem) Draw(ctx *gohan.Context, screen *ebiten.Image) error {
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w := world.World
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s.img.Clear()
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ebitenutil.DebugPrint(s.img, fmt.Sprintf("KEY WASD+MOUSE\nENT %d\nUPD %d\nDRA %d\nTPS %0.0f\nFPS %0.0f", w.ActiveEntities(), w.UpdatedEntities(), w.DrawnEntities(), ebiten.CurrentTPS(), ebiten.CurrentFPS()))
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screen.DrawImage(s.img, s.op)
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return nil
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}
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