/*TODO should only happen in tick phase...
* Otherwise two bots could validly reproduce into same cell...
* one would succeed and the other would not.
* Or would kill the newborn or something. Bad.
*/
public void addNewEntity(AbsPos target, Entity toAdd) {
// target position for new entity should be empty
checkNotNull(toAdd);
assert (grid.get(target) != DEBUG_PENDING_CHANGE_PLACEHOLDER);
assert (grid.get(target) == null);
assert (!addBuffer.contains(toAdd));
grid.set(
target,
DEBUG_PENDING_CHANGE_PLACEHOLDER); // TODO removeme; pending new ent; don't want anything
// else to happen here
addBuffer.add(new Entry<Entity>(target, toAdd));
}
public void swap(AbsPos a, AbsPos b) {
Entity aEnt = get(a);
if (aEnt instanceof BotEntity) {
botIndex.put(((BotEntity) aEnt).getID(), b);
}
Entity bEnt = get(b);
if (bEnt instanceof BotEntity) {
botIndex.put(((BotEntity) bEnt).getID(), a);
}
grid.set(a, bEnt);
grid.set(b, aEnt);
}
private void flushRemoveBuffer() {
while (!removeBuffer.isEmpty()) {
Entity fakeEntToDie = removeBuffer.remove();
Entry<Entity> entry = grid.get(fakeEntToDie);
AbsPos pos = entry.getPosition();
Entity entToDie = entry.getContents();
if (entToDie instanceof BotEntity) {
BotEntity botToDie = ((BotEntity) entToDie);
botIndex.remove(botToDie.getID());
}
grid.set(pos, null);
MatchLog.removeEntity(entToDie);
}
}
private void flushAddBuffer() {
while (!addBuffer.isEmpty()) {
Entry<Entity> entry = addBuffer.remove();
Entity toAdd = entry.getContents();
AbsPos addPos = entry.getPosition();
assert (!grid.contains(toAdd));
assert (grid.get(addPos) == DEBUG_PENDING_CHANGE_PLACEHOLDER);
if (toAdd instanceof BotEntity) {
BotEntity newBot = (BotEntity) toAdd;
botIndex.put(newBot.getID(), addPos);
}
grid.set(addPos, toAdd);
MatchLog.addEntity(toAdd, addPos);
}
}