/**
* This method actually notifies which enemies need to update their paths
*
* @param inMiddleOfWave
* @param enemy
*/
private void updateEnemyPaths(boolean inMiddleOfWave, Enemy enemy) {
if (inMiddleOfWave) {
Log.i("Updating path", "Updating path");
enemy.setNeedToUpdatePath(true);
for (Enemy child : enemy.childArray) {
child.setNeedToUpdatePath(true);
}
} else {
Path p = null;
Enemy en = null;
for (Enemy e : currentWave.getEnemies()) {
if (e.getClass() != BeachballEnemy.class) {
p = aStarHelper.getPath(e);
en = e;
break;
}
}
// We have a wave full of beach-ball enemies
if (en == null) return;
if (p == null) {
removeCurrentTower(true);
p = aStarHelper.getPath(en);
}
for (Enemy e : currentWave.getEnemies()) {
if (e.getClass() != BeachballEnemy.class) e.setPath(p.deepCopy());
else aStarHelper.getPath(e);
}
}
}
/**
* When placing a tower on the field, this checks if the path needs to be updated for each enemy
*
* @param current
* @param inMiddleOfWave
*/
private void updateAffectedEnemies(TMXTile current, boolean inMiddleOfWave) {
List<Enemy> enemies = currentWave.getEnemies();
Path p;
float pX;
float pY;
outer:
for (Enemy enemy : enemies) {
if (enemy == null) continue;
p = enemy.getPath();
for (int i = 0; i < p.getCoordinatesX().length; i++) {
pX = p.getCoordinatesX()[i];
pY = p.getCoordinatesY()[i];
TMXTile tile = this.tmxLayer.getTMXTileAt(pX - enemy.getOffsetX(), pY - enemy.getOffsetY());
if (current.equals(tile)) {
updateEnemyPaths(inMiddleOfWave, enemy);
if (!inMiddleOfWave) break outer;
else break;
}
}
}
if (inMiddleOfWave) {
Enemy dummy = new Enemy();
dummy.setUserData("dummy");
Path path = aStarHelper.getPath(dummy);
if (path == null) {
removeCurrentTower(true);
}
}
}