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[Mod installer] add a fps counter :v

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This commit is contained in:
khanhduytran0 2020-11-05 12:58:27 +07:00
parent cc11e9bb5e
commit 0d650d88fe
1 changed files with 24 additions and 2 deletions
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24
app/src/main/java/net/kdt/pojavlaunch/InstallModActivity.java
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@ -11,6 +11,7 @@ import java.util.*;
import org.lwjgl.glfw.*;
import android.support.v7.app.*;
import android.content.*;
import android.text.*;
public class InstallModActivity extends LoggableActivity {
public static volatile boolean IS_JRE_RUNNING;
@ -70,7 +71,26 @@ public class InstallModActivity extends LoggableActivity {
// final Surface surface = new Surface(tex);
new Thread(new Runnable(){
private TextPaint fpsPaint = new TextPaint(Color.LIGHT_GRAY);
private boolean attached = false;
// Temporary count fps https://stackoverflow.com/a/13729241
private LinkedList<Long> times = new LinkedList<Long>(){{add(System.nanoTime());}};
private final int MAX_SIZE = 100;
private final double NANOS = 1000000000.0;
/** Calculates and returns frames per second */
private double fps() {
long lastTime = System.nanoTime();
double difference = (lastTime - times.getFirst()) / NANOS;
times.addLast(lastTime);
int size = times.size();
if (size > MAX_SIZE) {
times.removeFirst();
}
return difference > 0 ? times.size() / difference : 0.0;
}
@Override
public void run() {
try {
@ -78,10 +98,12 @@ public class InstallModActivity extends LoggableActivity {
if (!attached) {
attached = CallbackBridge.nativeAttachThreadToOther(true, MainActivity.isInputStackCall);
Thread.sleep(100);
continue;
}
Canvas canvas = mTextureView.lockCanvas();
if (attached) {
JREUtils.renderAWTScreenFrame(canvas, w, h);
}
canvas.drawText("FPS: " + fps(), 10, 10, fpsPaint);
mTextureView.unlockCanvasAndPost(canvas);
}
} catch (InterruptedException e) {}