X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=plugins%2Fnet.mograsim.logic.core%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fcore%2Ftimeline%2FPauseableTimeFunction.java;fp=plugins%2Fnet.mograsim.logic.core%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fcore%2Ftimeline%2FPauseableTimeFunction.java;h=86f4ce996d990ba4c8fc7b3fee833fc37719a9ba;hb=46d4c053db9a363185a9dce28fcefbc3bf9d6afd;hp=0000000000000000000000000000000000000000;hpb=76c2b3eab6cec47490bb75713356152deb5d07ed;p=Mograsim.git

diff --git a/plugins/net.mograsim.logic.core/src/net/mograsim/logic/core/timeline/PauseableTimeFunction.java b/plugins/net.mograsim.logic.core/src/net/mograsim/logic/core/timeline/PauseableTimeFunction.java
new file mode 100644
index 00000000..86f4ce99
--- /dev/null
+++ b/plugins/net.mograsim.logic.core/src/net/mograsim/logic/core/timeline/PauseableTimeFunction.java
@@ -0,0 +1,58 @@
+package net.mograsim.logic.core.timeline;
+
+import java.util.function.LongSupplier;
+
+public class PauseableTimeFunction implements LongSupplier
+{
+	private boolean paused = false;
+	private long unpausedSysTime = 0, lastPausedInternalTime = 0;
+	private int speedPercentage = 100;
+
+	public void pause()
+	{
+		if (!paused)
+		{
+			lastPausedInternalTime = getAsLong();
+			paused = true;
+		}
+	}
+
+	public void unpause()
+	{
+		if (paused)
+		{
+			paused = false;
+			unpausedSysTime = System.currentTimeMillis();
+		}
+	}
+
+	@Override
+	public long getAsLong()
+	{
+		return paused ? lastPausedInternalTime
+				: lastPausedInternalTime + ((System.currentTimeMillis() - unpausedSysTime) * speedPercentage) / 100;
+	}
+
+	public void setSpeedPercentage(int percentage)
+	{
+		if (!paused)
+		{
+			pause();
+			unpause();
+		}
+		this.speedPercentage = Integer.min(100, Integer.max(percentage, 1));
+	}
+
+	public boolean isPaused()
+	{
+		return paused;
+	}
+
+	public void toggle()
+	{
+		if (paused)
+			unpause();
+		else
+			pause();
+	}
+}