Add memory info to debug flag

Author: Wieku

app/states/player.go

@@ -2,6 +2,7 @@ package states
 
 import (
 	"fmt"
+	"github.com/dustin/go-humanize"
 	"github.com/go-gl/mathgl/mgl32"
 	"github.com/wieku/danser-go/app/audio"
 	"github.com/wieku/danser-go/app/beatmap"
@@ -993,36 +994,50 @@ func (player *Player) drawDebug() {
 
 			var queue []tx
 
-			drawWithBackground := func(pos float64, text string) {
+			pos := 3.0
+
+			drawWithBackground := func(text string) {
 				width := player.font.GetWidthMonospaced(size, text)
 				player.batch.DrawStObject(vector.NewVec2d(0, (size+padDown)*pos), vector.CentreLeft, vector.NewVec2d(width, size+padDown), false, false, 0, color2.NewLA(0, 0.8), false, graphics.Pixel.GetRegion())
 
 				queue = append(queue, tx{pos, text})
+				pos++
 			}
 
-			drawWithBackground(3, fmt.Sprintf("VSync: %t", settings.Graphics.VSync))
-			drawWithBackground(4, fmt.Sprintf("Blur: %t", settings.Playfield.Background.Blur.Enabled))
-			drawWithBackground(5, fmt.Sprintf("Bloom: %t", settings.Playfield.Bloom.Enabled))
+			drawWithBackground(fmt.Sprintf("VSync: %t", settings.Graphics.VSync))
+			drawWithBackground(fmt.Sprintf("Blur: %t", settings.Playfield.Background.Blur.Enabled))
+			drawWithBackground(fmt.Sprintf("Bloom: %t", settings.Playfield.Bloom.Enabled))
 
 			msaa := "OFF"
 			if settings.Graphics.MSAA > 0 {
 				msaa = strconv.Itoa(int(settings.Graphics.MSAA)) + "x"
 			}
 
-			drawWithBackground(6, fmt.Sprintf("MSAA: %s", msaa))
+			drawWithBackground(fmt.Sprintf("MSAA: %s", msaa))
 
-			drawWithBackground(7, fmt.Sprintf("FBO Binds: %d", statistic.GetPrevious(statistic.FBOBinds)))
-			drawWithBackground(8, fmt.Sprintf("VAO Binds: %d", statistic.GetPrevious(statistic.VAOBinds)))
-			drawWithBackground(9, fmt.Sprintf("VBO Binds: %d", statistic.GetPrevious(statistic.VBOBinds)))
-			drawWithBackground(10, fmt.Sprintf("Vertex Upload: %.2fk", float64(statistic.GetPrevious(statistic.VertexUpload))/1000))
-			drawWithBackground(11, fmt.Sprintf("Vertices Drawn: %.2fk", float64(statistic.GetPrevious(statistic.VerticesDrawn))/1000))
-			drawWithBackground(12, fmt.Sprintf("Draw Calls: %d", statistic.GetPrevious(statistic.DrawCalls)))
-			drawWithBackground(13, fmt.Sprintf("Sprites Drawn: %d", statistic.GetPrevious(statistic.SpritesDrawn)))
+			drawWithBackground(fmt.Sprintf("FBO Binds: %d", statistic.GetPrevious(statistic.FBOBinds)))
+			drawWithBackground(fmt.Sprintf("VAO Binds: %d", statistic.GetPrevious(statistic.VAOBinds)))
+			drawWithBackground(fmt.Sprintf("VBO Binds: %d", statistic.GetPrevious(statistic.VBOBinds)))
+			drawWithBackground(fmt.Sprintf("Vertex Upload: %.2fk", float64(statistic.GetPrevious(statistic.VertexUpload))/1000))
+			drawWithBackground(fmt.Sprintf("Vertices Drawn: %.2fk", float64(statistic.GetPrevious(statistic.VerticesDrawn))/1000))
+			drawWithBackground(fmt.Sprintf("Draw Calls: %d", statistic.GetPrevious(statistic.DrawCalls)))
+			drawWithBackground(fmt.Sprintf("Sprites Drawn: %d", statistic.GetPrevious(statistic.SpritesDrawn)))
 
 			if storyboard := player.background.GetStoryboard(); storyboard != nil {
-				drawWithBackground(14, fmt.Sprintf("SB sprites: %d", player.storyboardDrawn))
+				drawWithBackground(fmt.Sprintf("SB sprites: %d", player.storyboardDrawn))
 			}
 
+			pos++
+			drawWithBackground("Memory:")
+
+			var m runtime.MemStats
+			runtime.ReadMemStats(&m)
+
+			drawWithBackground(fmt.Sprintf("Allocated: %s", humanize.Bytes(m.Alloc)))
+			drawWithBackground(fmt.Sprintf("System: %s", humanize.Bytes(m.Sys)))
+			drawWithBackground(fmt.Sprintf("GC Runs: %d", m.NumGC))
+			drawWithBackground(fmt.Sprintf("GC Time: %.3fms", float64(m.PauseTotalNs)/1000000))
+
 			player.batch.ResetTransform()
 
 			for _, t := range queue {