94 lines
1.7 KiB
Go
94 lines
1.7 KiB
Go
package engine
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import (
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"encoding/gob"
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"fmt"
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"image"
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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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var (
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_ interface {
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Drawer
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Hider
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} = &PerfDisplay{}
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_ interface {
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Drawer
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Hider
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Updater
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} = &DebugToast{}
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)
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func init() {
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gob.Register(&DebugToast{})
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gob.Register(&PerfDisplay{})
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}
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// DebugToast debugprints a string for a while, then disappears.
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type DebugToast struct {
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ID
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Hides
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Pos image.Point
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Timer int // ticks
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Text string
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}
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func (d *DebugToast) Draw(screen *ebiten.Image, _ *ebiten.DrawImageOptions) {
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ebitenutil.DebugPrintAt(screen, d.Text, d.Pos.X, d.Pos.Y)
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}
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// Draw last.
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func (DebugToast) DrawAfter(x Drawer) bool {
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switch x.(type) {
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case *DebugToast, PerfDisplay, tombstone:
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return false
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}
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return true
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}
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func (DebugToast) DrawBefore(x Drawer) bool {
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return false
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}
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func (d *DebugToast) String() string {
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return fmt.Sprintf("DebugToast@%v", d.Pos)
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}
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func (d *DebugToast) Toast(text string) {
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d.Text = text
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d.Timer = 120
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d.Hides = false
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}
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func (d *DebugToast) Update() error {
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if d.Hides = d.Timer <= 0; !d.Hides {
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d.Timer--
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}
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return nil
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}
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// PerfDisplay debugprints CurrentTPS and CurrentFPS in the top left.
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type PerfDisplay struct {
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Hides
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}
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func (p PerfDisplay) Draw(screen *ebiten.Image, _ *ebiten.DrawImageOptions) {
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ebitenutil.DebugPrint(screen, fmt.Sprintf("TPS: %0.2f FPS: %0.2f", ebiten.CurrentTPS(), ebiten.CurrentFPS()))
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}
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// Draw last.
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func (PerfDisplay) DrawAfter(x Drawer) bool {
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switch x.(type) {
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case *DebugToast, PerfDisplay, tombstone:
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return false
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}
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return true
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}
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func (PerfDisplay) DrawBefore(Drawer) bool {
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return false
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}
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func (PerfDisplay) String() string { return "PerfDisplay" }
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