From 3a8bf7ba7e1c133ffffd1ae4609dd54b48fad033 Mon Sep 17 00:00:00 2001
From: 88hcsif <62969634+88hcsif@users.noreply.github.com>
Date: Wed, 1 Jul 2020 10:51:01 +0100
Subject: [PATCH] Regulate calls to the retro core based on the fps reported by
 the game. (#214)

:+1:
---
 pkg/config/config.go                         | 2 +-
 pkg/emulator/libretro/nanoarch/naemulator.go | 2 +-
 pkg/emulator/libretro/nanoarch/nanoarch.go   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkg/config/config.go b/pkg/config/config.go
index e7b64dc6..ce0381ec 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -54,7 +54,7 @@ type EmulatorMeta struct {
 	Width           int
 	Height          int
 	AudioSampleRate int
-	Fps             int
+	Fps             float64
 	BaseWidth       int
 	BaseHeight      int
 	Ratio           float64
diff --git a/pkg/emulator/libretro/nanoarch/naemulator.go b/pkg/emulator/libretro/nanoarch/naemulator.go
index 7fa8e163..cdbc1a03 100644
--- a/pkg/emulator/libretro/nanoarch/naemulator.go
+++ b/pkg/emulator/libretro/nanoarch/naemulator.go
@@ -154,7 +154,7 @@ func (na *naEmulator) SetViewport(width int, height int) {
 
 func (na *naEmulator) Start() {
 	na.playGame(na.gamePath)
-	ticker := time.NewTicker(time.Second / 60)
+	ticker := time.NewTicker(time.Second / time.Duration(na.meta.Fps))
 
 	for range ticker.C {
 		select {
diff --git a/pkg/emulator/libretro/nanoarch/nanoarch.go b/pkg/emulator/libretro/nanoarch/nanoarch.go
index 1cb5f408..49ff0d76 100644
--- a/pkg/emulator/libretro/nanoarch/nanoarch.go
+++ b/pkg/emulator/libretro/nanoarch/nanoarch.go
@@ -610,7 +610,7 @@ func coreLoadGame(filename string) {
 
 	// Append the library name to the window title.
 	NAEmulator.meta.AudioSampleRate = int(avi.timing.sample_rate)
-	NAEmulator.meta.Fps = int(avi.timing.fps)
+	NAEmulator.meta.Fps = float64(avi.timing.fps)
 	NAEmulator.meta.BaseWidth = int(avi.geometry.base_width)
 	NAEmulator.meta.BaseHeight = int(avi.geometry.base_height)
 	// set aspect ratio