✨ Profiler and fixed tps

pkg/internal/land/prof.go

@@ -0,0 +1,39 @@
+package land
+
+import (
+	"log"
+	"sync/atomic"
+	"time"
+)
+
+type PerformanceAnalyzer struct {
+	tickCount int64
+	drawCount int64
+}
+
+func (p *PerformanceAnalyzer) Tick() {
+	atomic.AddInt64(&p.tickCount, 1)
+}
+
+func (p *PerformanceAnalyzer) Draw() {
+	atomic.AddInt64(&p.drawCount, 1)
+}
+
+func (p *PerformanceAnalyzer) KeepResetting(duration time.Duration) {
+	ticker := time.NewTicker(duration)
+	defer ticker.Stop()
+	for {
+		<-ticker.C
+		log.Printf("TPS: %d FPS: %d\n", atomic.LoadInt64(&p.tickCount), atomic.LoadInt64(&p.drawCount))
+		atomic.StoreInt64(&p.tickCount, 0)
+		atomic.StoreInt64(&p.drawCount, 0)
+	}
+}
+
+func (p *PerformanceAnalyzer) GetTPS() int64 {
+	return atomic.LoadInt64(&p.tickCount)
+}
+
+func (p *PerformanceAnalyzer) GetFPS() int64 {
+	return atomic.LoadInt64(&p.drawCount)
+}

pkg/internal/land/root.go

@@ -2,16 +2,56 @@ package land
 
 import (
 	"github.com/veandco/go-sdl2/sdl"
+	"time"
 )
 
 type RootObject struct {
 	BaseObject
+
+	Analyzer *PerformanceAnalyzer
+}
+
+func NewRootObject() *RootObject {
+	in := &RootObject{
+		Analyzer: &PerformanceAnalyzer{},
+	}
+
+	go in.Analyzer.KeepResetting(1 * time.Second)
+
+	return in
+}
+
+func (p *RootObject) RunEventLoop(tickDuration time.Duration) {
+	for {
+		startTime := time.Now()
+
+		p.Update()
+
+		elapsed := time.Since(startTime)
+		hangDuration := tickDuration - elapsed
+		if hangDuration > 0 {
+			time.Sleep(hangDuration)
+		}
+	}
+}
+
+func (p *RootObject) Update() {
+	p.BaseObject.Update()
+
+	p.Analyzer.Tick()
 }
 
 func (p *RootObject) Draw(pen *sdl.Renderer) {
+	// Render background and clear previous state
+	pen.SetDrawColor(77, 77, 77, 255)
+	pen.Clear()
+
+	// Render each child
 	for _, child := range p.Children {
 		if drawableChild, ok := child.(DrawableObject); ok {
 			drawableChild.Draw(pen)
 		}
 	}
+
+	p.Analyzer.Draw()
 }