/**
* Check for game end conditions (without time) and end the game if they are satisified. Otherwise
* do nothing.
*/
private void checkForGameEnd() {
if (mNpcContainer.getDemonCount() <= 0) {
end(GameEndReason.ALL_DEMONS_DEAD);
} else if (mNpcContainer.getHumanCount() <= 0) {
end(GameEndReason.ALL_HUMANS_DEAD);
}
}
/**
* Update all game elements. Consider update methods execution dependencies. Currently there are
* none.
*/
@Override
public void update() {
if (getGameState() == GameState.RUNNING) {
updateTime();
mBackground.update();
mDeathEffectContainer.update();
mNpcContainer.update();
}
}
/**
* On touch remove top touched npc and create a death effect on the touched spot. Trigger
* GameState.END if the last Demon or Human was killed
*
* @param touchX
* @param touchY
* @return enum value that shows if some game element was actually touched or not
*/
public TouchedElement onTouchEvent(float touchX, float touchY) {
TouchedElement result = TouchedElement.NONE;
if (mGameState == GameState.RUNNING) {
Npc touchedNpc = mNpcContainer.removeTopTouchedNpc(touchX, touchY);
if (touchedNpc != null) {
boolean isDemon = touchedNpc.getNpcType().isEnemy();
updateScore(touchedNpc);
// Create a new death effect at the location of the killed npc
mDeathEffectContainer.createDeathEffect(
touchedNpc.getCenterX(), touchedNpc.getCenterY(), isDemon);
if (isDemon) {
result = TouchedElement.DEMON;
} else {
result = TouchedElement.HUMAN;
}
}
checkForGameEnd();
}
return result;
}
/**
* Save state of Score and NPCs. Ignore the death effects since they are too short to matter
*
* @param outState
*/
public void saveState(Bundle outState) {
mNpcContainer.saveState(outState);
outState.putInt(SCORE, mScore);
outState.putInt(TIME, mTimeLeftInSeconds);
outState.putLong(TIME_MILLIS, mTimeLeftInMilliseconds);
}
/**
* Render all game elements. Order of rendering affects the order on the Z axis. First things
* rendered are on the back. Last things rendered are on the front.
*/
@Override
public void render(Canvas canvas) {
mBackground.render(canvas);
mDeathEffectContainer.render(canvas);
mNpcContainer.render(canvas);
}