private static void generateScenery(
String mapId, int x, int y, int nx, int ny, DatastoreService store) {
if (x != nx && y != ny && x != y) { // Clear the diagonal line for escape
Entity obstacle = new Entity(Transport.SCENERY);
obstacle.setProperty("x", x);
obstacle.setProperty("y", y);
obstacle.setProperty("map", mapId);
store.put(obstacle);
}
}
private static Entity ensurePlayerExists(String username, DatastoreService store) {
Query q =
new Query(Transport.PLAYER)
.setFilter(new Query.FilterPredicate("identity", Query.FilterOperator.EQUAL, username));
Entity player = store.prepare(q).asSingleEntity();
if (player == null) {
Long x = 10l;
Long y = 10l;
player = new Entity(Transport.PLAYER);
player.setProperty("identity", username);
player.setProperty("speed", 4);
PointSet points = new PointSet(20, 20);
points.add(new Transport.Point(x, y));
player.setProperty("path", new Gson().toJson(new Transport.Points(points)));
store.put(player);
QueueFactory.getDefaultQueue().add(withUrl("/tick").param("identity", username));
}
return player;
}
private static Entity ensureMapExists(Entity player, DatastoreService store) {
Query mq = new Query(Transport.MAP);
Entity map = store.prepare(mq).asSingleEntity();
Random rand = new Random();
if (map == null) {
map = new Entity(Transport.MAP);
String mapId = "sandbox";
int width = 20;
int height = 20;
map.setProperty("width", width);
map.setProperty("height", height);
map.setProperty("identity", mapId);
store.put(map);
for (int j = 0; j < 8; j++) {
int sx = width / 2;
int sy = height / 2;
for (int i = 0; i < 100; i++) {
switch (rand.nextInt(4)) {
case 0:
sx++;
break;
case 1:
sy++;
break;
case 2:
sx--;
break;
case 3:
sy--;
break;
}
generateScenery(mapId, sx, sy, 10, 10, store);
}
}
player.setProperty("map", mapId);
store.put(player);
}
return map;
}
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
int index;
DatastoreService ds;
MemcacheService ms;
Cookie[] cookies;
boolean insideFlag;
String delpw;
String paramOffset;
String paramSize;
int offset;
int size;
Key postObjGroupKey;
Query q;
List<Entity> postObjList;
PostObj postObj;
Gson gson;
List<String> filelinkList;
resp.setCharacterEncoding("UTF-8");
resp.setContentType("text/plain");
ds = DatastoreServiceFactory.getDatastoreService();
ms = MemcacheServiceFactory.getMemcacheService();
insideFlag = false;
try {
cookies = req.getCookies();
if (cookies.length > 0) {
if (ms.contains(cookies[0].getValue()) == true) {
insideFlag = true;
}
}
} catch (Exception e) {
insideFlag = false;
}
delpw = req.getParameter("delpw");
if (delpw != null) {
if (delpw.equals("") == true) {
delpw = null;
}
}
paramOffset = req.getParameter("offset");
if (paramOffset != null) {
offset = Integer.valueOf(paramOffset);
} else {
offset = 0;
}
paramSize = req.getParameter("size");
if (paramSize != null) {
size = Integer.valueOf(paramSize);
} else {
size = 4096;
}
postObjGroupKey = KeyFactory.createKey("PostObjGroup", 1L);
q = new Query("PostObj", postObjGroupKey);
if (delpw != null) {
q.addFilter("delpw", FilterOperator.EQUAL, delpw);
q.addSort("delpw");
}
q.addSort("posttime", SortDirection.DESCENDING);
postObjList = ds.prepare(q).asList(FetchOptions.Builder.withOffset(offset).limit(size));
postObj = new PostObj();
filelinkList = new ArrayList<String>();
for (index = 0; index < postObjList.size(); index++) {
postObj.getDB(postObjList.get(index));
if ((postObj.flag.equals("showgallery") == false && insideFlag == true)
|| (postObj.flag.equals("showgallery") == true && insideFlag == false)
|| delpw != null) {
filelinkList.add(postObj.filelink);
}
}
gson = new Gson();
resp.getWriter().print(gson.toJson(filelinkList));
}