Hello, it looks like I've come across a bug in KeyBindingManager. If your framerate is very poor (i.e. <10fps), then keypresses you make can often be discarded by KeyBindingManager.
I've included code for a test class that shows this. It will force your framerate down to 1fps and adds two ways of detecting the 'B' key being pressed. One way is using KeyBindingManager, the other using InputHandler and ActionEvents. When you press the B key, it will System.out.println the result. I've found that the action event will always pick up the keypress, but the binding manager won't.
I believe this is because KeyBindingManager's isValidCommand() always asks what the current key is, but it's asking this well after the key has been both pressed and released.
I hope this helps.
package draco;
import com.jme.app.FixedFramerateGame;
import com.jme.input.InputHandler;
import com.jme.input.KeyBindingManager;
import com.jme.input.KeyInput;
import com.jme.input.KeyInputListener;
import com.jme.input.action.InputAction;
import com.jme.input.action.InputActionEvent;
import com.jme.system.DisplaySystem;
import com.jme.system.GameSettings;
import com.jme.system.PropertiesGameSettings;
import com.jme.util.Timer;
/**
*
*/
public class KeyPressTest extends FixedFramerateGame {
Timer timer;
InputHandler input;
public static void main(String[] args)
{
KeyPressTest main = new KeyPressTest();
main.setConfigShowMode(ConfigShowMode.AlwaysShow);
main.start();
}
@Override
protected void update(float interpolation) {
timer.update();
input.update(timer.getTimePerFrame());
if (KeyBindingManager.getKeyBindingManager().isValidCommand("mytest", false)) {
System.out.println("KeyBindingManager detected the 'B' being pressed");
}
}
@Override
protected void render(float interpolation) {
}
@Override
protected void initSystem() {
display = DisplaySystem.getDisplaySystem(settings.getRenderer());
// Create a window with the startup box's information.
display.createWindow(settings.getWidth(), settings.getHeight(),
settings.getDepth(), settings.getFrequency(),
settings.isFullscreen());
input = new InputHandler();
}
@Override
protected void initGame() {
setFrameRate(1);
/*
KeyInput.get().addListener(new KeyInputListener() {
public void onKey(char character, int keyCode, boolean pressed) {
System.out.println("Pressed " + character);
}
});
*/
KeyBindingManager.getKeyBindingManager().set("mytest", KeyInput.KEY_B);
KeyBindingManager.getKeyBindingManager().set("showframerate", KeyInput.KEY_F);
final InputAction actionBKey = new InputAction() {
public void performAction( InputActionEvent evt ) {
if (evt.getTriggerPressed())
{
System.out.println("InputHandler detected 'B' key");
}
}
};
input.addAction(actionBKey, InputHandler.DEVICE_KEYBOARD, KeyInput.KEY_B, InputHandler.AXIS_NONE, false );
final InputAction showFrameRate = new InputAction() {
public void performAction( InputActionEvent evt ) {
if (evt.getTriggerPressed())
{
System.out.println("FPS = " + timer.getFrameRate());
}
}
};
input.addAction(showFrameRate, InputHandler.DEVICE_KEYBOARD, KeyInput.KEY_F, InputHandler.AXIS_NONE, false );
timer = Timer.getTimer();
}
@Override
protected void reinit() {
}
@Override
protected void cleanup() {
}
@Override
protected GameSettings getNewSettings() {
GameSettings gameSettings = new BaseGameSettings();
gameSettings.setFramerate(1);
gameSettings.setVerticalSync(true);
return gameSettings;
}
static class BaseGameSettings extends PropertiesGameSettings
{
static
{
defaultFullscreen = Boolean.FALSE;
defaultSettingsWidgetImage = "/jmetest/data/images/Monkey.png";
}
BaseGameSettings()
{
super("properties.cfg");
load();
}
}
}
