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rudimentary framerate benchmarking (turning it on will make the game run significantly slower)

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minjaesong
2022-10-15 01:09:51 +09:00
parent 8533f92274
commit 93af194c8a
6 changed files with 44 additions and 4 deletions
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22
src/net/torvald/terrarum/TerrarumPostProcessor.kt
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@@ -153,6 +153,26 @@ object TerrarumPostProcessor : Disposable {
App.fontGame.draw(it, thisIsDebugStr, 5f, App.scr.height - 24f)
}
}
if (KeyToggler.isOn(App.getConfigInt("debug_key_deltat_benchmark"))) {
batch.color = Toolkit.Theme.COL_ACTIVE
batch.inUse {
// we're going to assume the data are normally distributed
val benchstr = if (INGAME.deltaTeeBenchmarks.elemCount < INGAME.deltaTeeBenchmarks.size) {
"ΔF: Gathering data (${INGAME.deltaTeeBenchmarks.elemCount}/${INGAME.deltaTeeBenchmarks.size})"
}
else {
val tallies = INGAME.deltaTeeBenchmarks.toList()
val average = tallies.average()
val stdev = (tallies.sumOf { (it - average).sqr() } / tallies.size).sqrt()
val low5 = average + stdev * -1.64
val low1 = average + stdev * -2.33
"ΔF: Avr ${average.format(1)}; 95% ${low5.format(1)}; 99% ${low1.format(1)}; σ ${stdev.format(1)}"
}
val tw = App.fontGame.getWidth(benchstr)
App.fontGame.draw(it, benchstr, Toolkit.drawWidth - tw - 5f, App.scr.height - 24f)
}
}
}
}
@@ -160,6 +180,8 @@ object TerrarumPostProcessor : Disposable {
}
private val rng = HQRNG()
private fun Double.format(digits: Int) = "%.${digits}f".format(this)
private val swizzler = intArrayOf(
1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1,
1,0,0,0, 0,1,0,0, 0,0,0,1, 0,0,1,0,