private void OnSend(IAsyncResult asyncResult)
{
Socket s = (Socket)asyncResult.AsyncState;
if (s == null || s.Connected == false)
{
ServerConsole.DebugLine("socket null or connection closed");
Dispose();
return;
}
try {
int bytes = s.EndSend(asyncResult);
if (bytes <= 0)
{
Dispose(false);
return;
}
UpdateAcitivty();
if (mCoalesceSleep > 0)
{
Thread.Sleep(mCoalesceSleep);
}
} catch (Exception ex) {
ExceptionHandler.Trace(ex);
Dispose(false);
}
}
/// Request to walk
/// 0x00A7 9:
public static void WalkToXY(NetState state, PacketReader reader)
{
if (state.IsValid(EAccountState.World) == false)
{
state.Disconnect();
return;
}
// TODO: this is the worst system i've ever seen..
// we receive the FINAL position instead of step by step packets
// and have to search a path to the final position
// if a path has been found, we walk it step by step
// this is done using a Timer..
Character c = state.Account.ActiveChar;
int unkInt = reader.ReadInt32();
// Since 2008-08-27aRagexeRE, X/Y starts at pos 6
byte b1 = reader.ReadByte();
byte b2 = reader.ReadByte();
byte b3 = reader.ReadByte();
int x = b1 * 4 + (b2 >> 6);
int y = ((b2 & 63) << 4) + (b3 >> 4);
ServerConsole.DebugLine("WalkToXY: from " + c.Location.X + "/" + c.Location.Y + " to " + x + "/" + y);
WalkingHelper.WalkToXY(c, new Point2D(x, y));
}
public static void OnWorldLoadFinish()
{
Thread.Sleep(1000);
ServerConsole.DebugLine("ThreadTest: Initialize called! Thread will sleep 5secs...");
Thread.Sleep(5000);
ServerConsole.DebugLine("ThreadTest: Initialize released!");
}
public List <ICharacterInfo> GetCharacterInfos(IAccountInfo account, IServerDescription server)
{
ServerConsole.DebugLine("Auth-server requested character list for account: {0}", account.Username);
return(new List <ICharacterInfo>(new[] {
new CharacterInfo(815, "Test Character")
}));
}
public List <IServerDescription> GetServerDescriptions()
{
ServerConsole.DebugLine("Auth-server requested server descriptions of known world server types..");
// @TODO: Get list of world servers here
return(new List <IServerDescription>(new [] {
new ServerDescription("Test server")
}));
}
/// <summary>
/// Invoked by the client including the parameter.
/// </summary>
/// <param name="poco"></param>
public void SomeRemoteMagic(SimplePoco poco)
{
ServerConsole.DebugLine("Recv poco obj from client! {0}: {1}", poco.Id, poco.Title);
Debug.WriteLine(poco);
// Get client proxy and invoke a answer to the poco
var proxy = CurrentClient.GetClientProxy <ITestClient>();
proxy.SomeClientMagic("Got your poco, ty client!");
}
public static bool ValidateMessage(NetState state, string text, out string username, out string message)
{
// Delimiter for <username> and <message>
// and yep, this means, the client sends us "Username : message" as one string
// so we have to parse it..
string delim = " : ";
username = "";
message = "";
// TODO: i saw a topic in eA source request about fakename talking
// he wanted to display the fakename in the chat
// if implementing such a mod, we should check here for the fakename too!
if (text.StartsWith(state.ActiveChar.Status.Name + delim) == false)
{
// This is just to check for a hacked packet
// The message always has to start with <username><delimiter>, so its incorrect either @ this point
if (text.StartsWith(state.ActiveChar.Status.Name) == false)
{
ServerConsole.DebugLine("Chatting.ValidateMessage: Player '{0}' sent a message using an incorrect name! Forcing a relog...", state.ActiveChar.Status.Name);
state.Dispose();
}
return(false);
}
// Split by delimiter
string[] messageParts = text.Split(new string[] { delim }, StringSplitOptions.None);
// Just in case..
if (messageParts.Length != 2)
{
return(false);
}
// TODO: couldnt trim here to not modify the message, but i should.. maybe.. or not? o.o
username = messageParts[0];
message = messageParts[1];
// Remove |00
if (message.StartsWith("|00") == true)
{
message = message.Substring(3);
}
// TODO: We didnt have max size for message as eAthena
// but the client has (max display size is 254 + 1)
// so.. ? o.o
if (message.Length >= Global.CHAT_SIZE_MAX)
{
ServerConsole.WarningLine("Chatting.ValidateMessage: Message is to long! Max {0} length, msg has {1}: {2}", Global.CHAT_SIZE_MAX, message.Length, message);
message = message.Substring(0, Global.CHAT_SIZE_MAX - 1);
}
return(true);
}
public static void OnServerStarted()
{
// Spawn test
ServerConsole.DebugLine("Spawn a mob");
Location location = new Location(1, new Point2D(157, 183));
Monster.SpawnOnce(null, location, "Rovolution Poring", 1002, 1);
ServerConsole.DebugLine("Spawn a npc");
location = new Location(1, new Point2D(155, 183));
NpcScript.Spawn("Test NPC", 46, location);
}
public IEnumerable <IServerDescription> GetServerDescriptions()
{
ServerConsole.DebugLine("Client requests server descriptions");
var currentAccount = GetCurrentAccount();
if (currentAccount == null)
{
throw new NotLoggedInException();
}
return(_interClient.GetServerDescriptions());
}
public static void Main(string[] args)
{
var endPoint = ProtocolEndPointBase.CreateEndPoint("tcp://127.0.0.1:13378");
_server = ServiceBuilder.CreateService(endPoint);
_server.AddService <ITestServerService, TestServerService>(new TestServerService());
_server.ClientConnected += ServerOnClientConnected;
_server.ClientDisconnected += ServerOnClientDisconnected;
_server.Start();
ServerConsole.DebugLine("Service running on {0}", endPoint);
Console.Read();
}
public IAccountInfo ClientLogin(string username, string password)
{
ServerConsole.DebugLine("Client login: {0} @ {1}", username, password);
var accountInfo = new AccountInfo(1337, username, password);
// Same key twice means the same connection logged in again
// @TODO: Verify this about not beeing a hack
if (_knownAcccounts.ContainsKey(CurrentClient))
{
_knownAcccounts.Remove(CurrentClient);
}
_knownAcccounts.Add(CurrentClient, accountInfo);
return(accountInfo);
}
public IEnumerable <ICharacterInfo> SelectServer(IServerDescription server)
{
ServerConsole.DebugLine("Client selected server: {0}", server.Name);
var currentAccount = GetCurrentAccount();
if (currentAccount == null)
{
throw new NotLoggedInException();
}
var characters = _interClient.GetCharacterInfos(currentAccount, server);
ServerConsole.DebugLine("Returning {0} character infos..", characters.Count());
return(characters);
}
public static void Main(string[] args)
{
// Try access a config
var conf = Factory.Create <Provider>("server-conf.xml");
var dynConf = conf.AsExpando().configuration;
// Prepare console for a large output
var width = Math.Min(100, Console.LargestWindowWidth - 2);
Console.CursorVisible = false;
Console.Clear();
Console.WindowLeft = Console.WindowTop = 0;
if (Console.WindowWidth < width)
{
Console.WindowWidth = width;
}
Console.Title = "Simple TCP message server test";
// Create a test server
_server = new SimpleTcpMessageServer(dynConf.network.host, dynConf.network.port);
_server.Start();
do
{
var cmd = Console.ReadLine();
if (cmd == "exit")
{
_server.Stop();
}
if (cmd == "testmsg")
{
var msg = new TextMessage("Hello from server! äöüß");
_server.Broadcast(msg);
}
if (cmd == "testobj")
{
var msg = new TextMessage("Hello from server! äöüß");
_server.Broadcast(msg);
}
} while (_server.IsActive);
ServerConsole.DebugLine("Press any key to exit.");
Console.Read();
}
protected override void ClientOnMessageReceived(object sender, MessageEventArgs args)
{
base.ClientOnMessageReceived(sender, args);
var client = sender as IServerClient;
if (client == null)
{
throw new ArgumentNullException("sender", "Internal server error - sender-client can not be null");
}
// Simple debug
var textMessage = args.Message as TextMessage;
if (textMessage != null)
{
ServerConsole.DebugLine("[{0}] RECV: {1}", client.RemoteEndPoint, textMessage.Text);
}
else
{
ServerConsole.DebugLine("[{0}] RECV: {1}", client.RemoteEndPoint, args.Message.GetType());
}
}
public static void OnWorldLoadFinish()
{
ServerConsole.DebugLine("global Event OnWorldLoadFinish called :O");
}
public static void Main(string[] args)
{
// Try access a config
var serverConfiguration = Factory.Create <Provider>("conf/server.xml");
var dynamicConfig = serverConfiguration.FirstAsExpando().configuration;
// Prepare console for a large output
#if WINDOWS
var width = Math.Min(100, Console.LargestWindowWidth - 2);
Console.CursorVisible = false;
Console.Clear();
Console.WindowLeft = Console.WindowTop = 0;
if (Console.WindowWidth < width)
{
Console.WindowWidth = width;
}
#endif
var ver = Assembly.GetExecutingAssembly().GetName().Version;
Console.Title = string.Format("Zeus auth-server v{0}.{1}", ver.Major, ver.Minor);
ServerConsole.StatusLine(Console.Title);
// Create inter-server listener service
string interServerEndPointAddress = string.Format("tcp://{0}:{1}", dynamicConfig.network.inter_server.host, dynamicConfig.network.inter_server.port);
var interServerEndPoint = ProtocolEndPointBase.CreateEndPoint(interServerEndPointAddress);
ServerConsole.Info("Start connecting to inter-server..");
// @TODO: Is any action coming from inter-server to auth-server?
// @TODO: Create inter -> auth service (character goes back to char select)
_interClient = ServiceClientBuilder.CreateClient <IAuthService>(interServerEndPoint, new ServerServiceImplementation());
_interClient.Connected += (o, a) => {
ServerConsole.WriteLine(ServerConsoleColor.Status, " successfull!");
// AuthServerLogin
_interClient.ServiceProxy.AuthServerLogin((string)dynamicConfig.network.inter_server.password);
};
_interClient.Disconnected += delegate {
ServerConsole.ErrorLine("Connection to inter-server lost.");
// @TODO: Reconnect?
};
_interClient.ConnectTimeout = 30;
_interClient.Connect();
// Create a client listener service
string endPointAddress = string.Format("tcp://{0}:{1}", dynamicConfig.network.host, dynamicConfig.network.port);
_clientService = ServiceBuilder.CreateService(ProtocolEndPointBase.CreateEndPoint(endPointAddress));
_clientService.ClientConnected += (sender, clientEventArgs) => ServerConsole.DebugLine("Client connected #{0}", clientEventArgs.Client.ClientId);
_clientService.ClientDisconnected += (sender, clientEventArgs) => ServerConsole.DebugLine("Client disconnected #{0}", clientEventArgs.Client.ClientId);
// Add interface for client connections
var clientService = new ClientServiceImplementation(_interClient.ServiceProxy);
_clientService.AddService <IClientService, ClientServiceImplementation>(clientService);
// Start listener service
_clientService.Start();
ServerConsole.StatusLine("Auth-server is listening to: {0}", endPointAddress);
do
{
var cmd = Console.ReadLine();
if (cmd == "exit")
{
_clientService.Stop();
}
} while (_clientService.Connected);
ServerConsole.WarningLine("Press any key to exit.");
Console.Read();
}
public static void OnServerStarted()
{
ServerConsole.DebugLine("global Event OnServerStarted called :O");
}
public static void WalkToXY_Tick(WorldObjectUnit obj)
{
if (obj.Walkpath == null)
{
return;
}
else if (obj.Walkpath.path_pos >= obj.Walkpath.path_len)
{
return;
}
else if (obj.Walkpath.path[obj.Walkpath.path_pos] == EDirection.None)
{
return;
}
else if ((int)obj.Walkpath.path[obj.Walkpath.path_pos] > 8)
{
return;
}
else
{
}
// TODO: this is the point there the client seems to look laggy
// eAthena sends before any movement the WalkOk() packet
// and the client animates the move to the target location.
// But if we attacked by a skill or w00tever,
// eAthena updates the position (i think)
// AND THIS is the all-known movement/position-reset.
//
// In future, we may test to send a WalkOk() Packet in every single step
// So the client maybe display it more accurate..
EDirection dir = obj.Walkpath.path[obj.Walkpath.path_pos];
Point2D targetLoc = obj.Location.Point + dir.ToPoint2D();
ServerConsole.DebugLine("{0}: walk from {1} to {2} ({3})", obj, obj.Location.Point, targetLoc, dir);
//obj.Map.DrawGat();
//Mapcache.Maps[obj.Map.Name].DrawGat();
if (obj.Map.CheckCell(targetLoc, ECollisionType.Walkable) == false)
{
// Target location is not walkable - recalc path!
ServerConsole.DebugLine("WalkToXY_Tick: location {0} not walkable, recalc path..", targetLoc);
WalkToXY(obj, obj.TargetLocation);
return;
}
obj.Move(dir);
obj.Walkpath.path_pos++;
int speed = CalcWalkspeed(obj);
// Next step?
if (speed > 0)
{
obj.WalkTimer = Timer.DelayCall(TimeSpan.FromMilliseconds(speed), TimeSpan.Zero, 1, new TimerStateCallback <WorldObjectUnit>(WalkToXY_Tick), obj);
}
else
{
// No next step, target location reached, update target location
// just to be sure..
obj.TargetLocation = obj.Location.Point;
obj.Walkpath = null;
ServerConsole.DebugLine("WalkToXY_Tick: finished moving to location {0}", obj.Location.Point);
}
}
public bool HandleReceive(NetState ns)
{
if (ns == null || ns.Running == false)
{
return(false);
}
ByteQueue buffer = ns.Buffer;
if (buffer == null || buffer.Length <= 0)
{
return(true);
}
ServerConsole.DebugLine("{0}: Incoming data, {1} bytes", ns, buffer.Length);
/*
* Packet Analyse/verify && Parsing
*/
lock (buffer) {
int turns = 0;
int length = buffer.Length;
while (length > 0 && ns != null && ns.Running)
{
short packetID = buffer.GetPacketID();
#if DEBUG_PACKETS
// debug log
using (TextWriter writer = File.CreateText(AppDomain.CurrentDomain.BaseDirectory + @"\packet_" + DateTime.Now.UnixTimestamp() + ".log")) {
using (MemoryStream ms = new MemoryStream(buffer.ByteBuffer))
Tools.FormatBuffer(writer, ms, (int)ms.Length);
}
#endif
PacketHandler handler = PacketHandlers.GetHandler(packetID);
if (handler == null)
{
byte[] data = new byte[length];
length = buffer.Dequeue(data, 0, length);
// Log unknown packets
string unknownPacketPath = AppDomain.CurrentDomain.BaseDirectory + @"\packet_" + packetID.ToString("X4") + ".log";
if (File.Exists(unknownPacketPath) == false)
{
using (TextWriter writer = File.CreateText(unknownPacketPath)) {
writer.WriteLine("Unknown packet 0x" + packetID.ToString("X4") + ", length " + length);
using (MemoryStream ms = new MemoryStream(data)) {
Tools.FormatBuffer(writer, ms, (int)ms.Length);
}
}
}
ServerConsole.WarningLine("{0}: P {1:X4}, {2} bytes, no Handler found!", ns, packetID, length);
break;
}
ServerConsole.StatusLine("{0}: [{1}] P {2:X4}, {3} bytes, handled {4}", ns, handler.Name, packetID, length, handler.Length);
byte[] packetBuffer;
// If we set the length to -1 (dynamic packet length), read the full buffer
int bufferLength = (handler.Length > 0 ? handler.Length : length);
if (bufferLength < mBufferSize)
{
packetBuffer = mBuffers.AcquireBuffer();
}
else
{
packetBuffer = new byte[bufferLength];
}
buffer.Dequeue(packetBuffer, 0, bufferLength);
PacketReader r = new PacketReader(packetBuffer, bufferLength, 0, true);
handler.OnReceive(ns, r);
length -= bufferLength;
if (bufferLength < mBufferSize)
{
mBuffers.ReleaseBuffer(packetBuffer);
}
else
{
packetBuffer = null;
}
turns++;
} // end while()*/
} // end Lock()
// Clear internal byte buffer for receive data
if (ns != null && ns.Buffer != null)
{
ns.Buffer.Clear();
}
return(true);
}
public virtual void Send(Packet p)
{
if (mSocket == null || mBlockAllPackets)
{
ServerConsole.ErrorLine("{0}: Socket is null! Packet {1:X4} ({2} bytes) cant be send", this, p.PacketID, p.Length);
// Wont send packet, but trigger OnSend to free data..
p.OnSend(this);
Dispose();
return;
}
// Allow APIs to break sending
if (p.OnBeforeSend(this) == false)
{
// Didnt send the packet, so let the APIs know that (2nd param, false)
p.OnSend(this, false);
return;
}
PacketSendProfile prof = PacketSendProfile.Acquire(p.GetType());
int length = 0;
byte[] buffer = p.Compile(out length);
if (buffer == null)
{
ServerConsole.ErrorLine("{0}: null buffer send, disconnecting...", this);
using (StreamWriter op = new StreamWriter("null_send.log", true)) {
op.WriteLine("{0} Client", "{1}: null buffer send, disconnecting...", DateTime.Now, this);
op.WriteLine(new System.Diagnostics.StackTrace());
}
Dispose();
return;
}
if (buffer.Length <= 0 || length <= 0)
{
p.OnSend(this);
return;
}
if (prof != null)
{
prof.Start();
}
if (mEncoder != null)
{
mEncoder.EncodeOutgoingPacket(this, ref buffer, ref length);
}
try {
ServerConsole.DebugLine("{0}: sending Packet 0x{1:X4} ({2} bytes)", this, p.PacketID, length);
mSocket.BeginSend(buffer, 0, length, SocketFlags.None, mOnSend, mSocket);
} catch (Exception ex) {
ExceptionHandler.Trace(ex);
Dispose(false);
}
p.OnSend(this);
if (prof != null)
{
prof.Finish(length);
}
}
/// First packet after selecting a character
/// 0x0436 19: <accountID>.L <charID>.L <loginID1>.L <clientTick>.L <sex>.B
public static void WantToConnect(NetState state, PacketReader reader)
{
int accountID = reader.ReadInt32();
int charID = reader.ReadInt32();
int loginID1 = reader.ReadInt32();
int clientTick = reader.ReadInt32();
byte iSex = reader.ReadByte();
EAccountSex sex = (EAccountSex)iSex;
state.Account = (Account)World.Objects[EDatabaseType.Account, accountID];
if (state.Account == null || state.Account.AccountState != EAccountState.Char)
{
ServerConsole.DebugLine("Invalid account or account state: {0}", (state.Account != null ? state.Account.AccountState.ToString() : "null"));
state.Disconnect();
return;
}
if (state.Account.LoginID1 != loginID1 || state.Account.Sex != sex)
{
ServerConsole.DebugLine("Invalid loginID or sex: {0} != {1}; {2} != {3}", state.Account.LoginID1, loginID1, state.Account.Sex, sex);
state.Disconnect();
return;
}
if (state.Account.ActiveChar == null || state.Account.ActiveChar.ID != charID)
{
ServerConsole.DebugLine("Invalid active character or charID: {0}", (state.ActiveChar != null ? state.ActiveChar.ID.ToString() : "null"));
state.Disconnect();
return;
}
// Seems to be valid, save the netstate
state.Account.Netstate = state;
long tick = Timer.Ticks;
// Mark as authed
state.Account.AccountState = EAccountState.World;
// pc_setnew
state.ActiveChar.Status.Sex = state.Account.Sex;
state.ActiveChar.LoginID1 = loginID1;
state.ActiveChar.LoginID2 = 0;
state.ActiveChar.ClientTick = clientTick;
state.ActiveChar.State.Active = false; //Is set to true after player is fully authed and loaded
state.ActiveChar.CanLogTick = tick;
// Required to prevent homunculus copuing a base speed of 0
state.ActiveChar.BattleStatus.Speed = (ushort)Global.DEFAULT_WALK_SPEED;
// pc_authok
if (state.ActiveChar.Status.HP == 0)
{
state.ActiveChar.SetDead();
}
state.ActiveChar.State.ConnectNew = true;
state.ActiveChar.FollowTimer = null;
state.ActiveChar.InvisibleTimer = null;
state.ActiveChar.NpcTimer = null;
state.ActiveChar.PvpTimer = null;
state.ActiveChar.CanUseItemTick = tick;
state.ActiveChar.CanUseCashFoodTick = tick;
state.ActiveChar.CanEquipTick = tick;
state.ActiveChar.CanTalkTick = tick;
state.ActiveChar.CanSendMailTick = tick;
state.ActiveChar.SpiritTimer = new List <Timer>();
state.ActiveChar.AutoBonus.Clear();
state.ActiveChar.AutoBonus2.Clear();
state.ActiveChar.AutoBonus3.Clear();
if (Config.ItemAutoGet)
{
state.ActiveChar.State.Autoloot = 10000;
}
if (Config.DispExperience)
{
state.ActiveChar.State.Showexp = true;
}
if (Config.DispZeny)
{
state.ActiveChar.State.Showzeny = true;
}
if ((Config.DisplaySkillFail & 2) > 0)
{
state.ActiveChar.State.Showdelay = true;
}
// Check and move equip
//pc_setinventorydata(sd);
for (int i = 0; i < state.ActiveChar.Status.Inventory.Count; i++)
{
}
//pc_setequipindex(sd);
// status_change_init here!
// Note: eAthena dosnt realy init the status here, just memset() all to 0
// TODO: why did i set StatusChange.Clear() HERE? confirm this..
state.ActiveChar.StatusChange.Clear();
// TODO: implement player commands (eAthenas @commands)
//if ((battle_config.atc_gmonly == 0 || pc_isGM(sd)) && (pc_isGM(sd) >= get_atcommand_level(atcommand_hide)))
// sd->status.option &= (OPTION_MASK | OPTION_INVISIBLE);
//else
state.ActiveChar.Status.Option &= EStatusOption.Mask;
state.ActiveChar.StatusChange.Option = state.ActiveChar.Status.Option; // This is the actual option used in battle
// Set here because we need the inventory data for weapon sprite parsing
state.ActiveChar.ViewData = WorldObjectViewData.GetViewData(state.ActiveChar.Status, (int)state.ActiveChar.Status.Class);
// Set base timer for walkable units (from unit_setdata)
// TODO: maybe this should be placed in a WorldObjectUnit-method to be used for every walkable unit..
state.ActiveChar.WalkTimer = null;
state.ActiveChar.ActiveSkillTimer = null;
state.ActiveChar.AttackTimer = null;
state.ActiveChar.AttackableTick =
state.ActiveChar.CanActTick =
state.ActiveChar.CanMoveTick = tick;
// clif_authok crap
state.ActiveChar.GuildPosition = new Point2D(-1, -1);
// Event timer
state.ActiveChar.EventTimer = new List <Timer>();
// Rental Timer
state.ActiveChar.RentalTimer = null;
state.ActiveChar.HateMob = new short[3] {
-1, -1, -1
};
// Character enters the map block
// TODO: Position checking
state.ActiveChar.Location.Map.OnEnter(state.ActiveChar);
/*
* if ((i = pc_setpos(sd, sd->status.last_point.map, sd->status.last_point.x, sd->status.last_point.y, CLR_OUTSIGHT)) != 0) {
* ShowError("Last_point_map %s - id %d not found (error code %d)\n", mapindex_id2name(sd->status.last_point.map), sd->status.last_point.map, i);
*
* // try warping to a default map instead (church graveyard)
* if (pc_setpos(sd, mapindex_name2id(MAP_PRONTERA), 273, 354, CLR_OUTSIGHT) != 0) {
* // if we fail again
* clif_authfail_fd(sd->fd, 0);
* return false;
* }
* }
*/
// Let the client know that the authendication was successfull
state.Send(new WorldResponseAuthOK(state.Account));
// eA puts the "char logged in" message here..
// TODO: send friend list
// TODO: message about expired accounts, night flag
// TODO: request registry
// or dont need an async load of registry?
state.ActiveChar.DieCounter = -1;
}
/// <summary>
/// Locates a random spare cell around the object given, using range as max
/// distance from that spot. Used for warping functions. Use range below 0 for whole map range.
/// </summary>
/// <param name="src">src can be null as long as flag&1</param>
/// <param name="p">Source poition to use (if flag & 1), will also contain the new position</param>
/// <param name="rx">Range width</param>
/// <param name="ry">Range height</param>
/// <param name="flag">
/// <para>&1 = random cell must be around given m,x,y, not around src</para>
/// <PARA>&2 = the target should be able to walk to the target tile</para>
/// <para>&4 = there shouldn't be any players around the target tile (use the no_spawn_on_player setting)</para>
/// </param>
/// <returns></returns>
public bool SearchFreeCell(WorldObjectUnit src, ref Point2D p, int rx, int ry, int flag)
{
int tries, spawn = 0;
int bx, by;
int rx2 = 2 * rx + 1;
int ry2 = 2 * ry + 1;
if (src == null && ((flag & 1) != 1 || (flag & 2) != 2))
{
ServerConsole.DebugLine("SearchFreeCell: Incorrect usage! When src is NULL, flag has to be &1 and can't have &2");
return(false);
}
if ((flag & 1) == 1)
{
bx = p.X;
by = p.Y;
}
else
{
bx = src.X;
by = src.Y;
}
// No range? Return the target cell then....
if (rx == 0 && ry == 0)
{
p.X = bx;
p.Y = by;
return(CheckCell(p, ECollisionType.Reachable));
}
// Calc max tries
if (rx >= 0 && ry >= 0)
{
tries = rx2 * ry2;
if (tries > 100)
{
tries = 100;
}
}
else
{
tries = Width * Height;
if (tries > 500)
{
tries = 500;
}
}
Random rand = new Random();
while (tries-- > 0)
{
p.X = (rx >= 0 ? (rand.Next() % rx2 - rx + bx) : (rand.Next() % (Width - 2) + 1));
p.Y = (ry >= 0 ? (rand.Next() % ry2 - ry + by) : (rand.Next() % (Height - 2) + 1));
// Avoid picking the same target tile
if (p.X == bx && p.Y == by)
{
continue;
}
if (CheckCell(p, ECollisionType.Reachable) == true)
{
if ((flag & 2) == 2 && src.CanReach(p, 1) == false)
{
continue;
}
if ((flag & 4) == 4)
{
// Limit of retries reached.
if (spawn >= 100)
{
return(false);
}
/*
* if (spawn++ < battle_config.no_spawn_on_player &&
* map_foreachinarea(map_count_sub, m,
* x-AREA_SIZE, *y-AREA_SIZE,
* x+AREA_SIZE, *y+AREA_SIZE, BL_PC)
* )
* continue;
*/
}
return(true);
}
}
p.X = bx;
p.Y = by;
return(false);
}
public static void OnWorldLoadFinish()
{
ServerConsole.DebugLine("PrioTest -> 0");
}
