/// <summary>
/// Notifies the User about the new page.
/// </summary>
void NotifyUserOfNewPage()
{
if (_dialogItem == null)
{
// Dialog has ended
using (var pw = ServerPacket.EndChatDialog())
{
_user.Send(pw, ServerMessageType.GUI);
}
}
else
{
// New page
using (var pw = ServerPacket.SetChatDialogPage(_dialogItem.ID, GetResponsesToSkip()))
{
_user.Send(pw, ServerMessageType.GUI);
}
}
}
void RecvRequestMapEntityIndex(IIPSocket conn, BitStream r)
{
var index = r.ReadMapEntityIndex();
// Get the user and their map
User user;
if ((user = TryGetUser(conn)) == null)
{
return;
}
Map map;
if (!TryGetMap(user, out map))
{
return;
}
// Get the DynamicEntity
var de = map.GetDynamicEntity(index);
if (de == null)
{
// The DynamicEntity for the index was null, so tell the client to delete whatever is at that index
using (var pw = ServerPacket.RemoveDynamicEntity(index))
{
conn.Send(pw, ServerMessageType.Map);
}
}
else
{
// A DynamicEntity does exist at that index, so tell the client to create it
using (var pw = ServerPacket.CreateDynamicEntity(de))
{
conn.Send(pw, ServerMessageType.Map);
}
}
}
void RecvGetFriends(IIPSocket conn, BitStream r)
{
var account = TryGetAccount(conn);
if (account == null)
{
return;
}
User user;
if ((user = TryGetUser(conn)) == null)
{
return;
}
string FriendsString = account.Friends;
List <string> FriendsList = FriendsString.Split(',').ToList <string>();
string OnlineFriendsString = "";
string FriendsMap = "";
var OnlineMembers = Server.World.GetUsers();
foreach (var Member in OnlineMembers)
{
if (FriendsList.Contains(Member.Name))
{
OnlineFriendsString += Member.Name + ",";
var parentMap = World.GetMap(Member.Map.ParentMapID);
FriendsMap += parentMap.Name + ",";
}
}
using (var pw = ServerPacket.ReceiveFriends(OnlineFriendsString, FriendsMap, FriendsString))
{
user.Send(pw, ServerMessageType.GUI);
}
}
/// <summary>
/// When overridden in the derived class, allows for handling when the status of an <see cref="IIPSocket"/> changes.
/// </summary>
/// <param name="sender">The <see cref="IIPSocket"/> who's status has changed.</param>
/// <param name="status">The new status.</param>
/// <param name="reason">The reason for the status change.</param>
protected override void OnReceiveStatusChanged(IIPSocket sender, NetConnectionStatus status, string reason)
{
base.OnReceiveStatusChanged(sender, status, reason);
switch (status)
{
case NetConnectionStatus.Disconnected:
// If there was an account on the socket, destroy it
var acc = World.GetUserAccount(sender, false);
if (acc != null)
{
acc.Dispose();
}
break;
case NetConnectionStatus.Connected:
// Send the server time to the client
using (var pw = ServerPacket.SetGameTime(DateTime.Now))
{
sender.Send(pw, ServerMessageType.GUI);
}
break;
}
}
/// <summary>
/// Updates the client with the changes that have been made to the UserInventory.
/// </summary>
public void Update()
{
// Don't actually grab the PacketWriter from the pool until we know we will need it
PacketWriter pw = null;
try
{
// Loop through all slots
for (var slot = 0; slot < GameData.MaxInventorySize; slot++)
{
// Skip unchanged slots
if (!_slotChanged[slot])
{
continue;
}
// Get the item in the slot
var invSlot = new InventorySlot(slot);
var item = UserInventory[invSlot];
// Get the values to send, which depends on if the slot is empty (item == null) or not
GrhIndex sendItemGraphic;
byte sendItemAmount;
if (item == null)
{
sendItemGraphic = GrhIndex.Invalid;
sendItemAmount = 0;
}
else
{
sendItemGraphic = item.GraphicIndex;
sendItemAmount = item.Amount;
}
// Grab the PacketWriter if we have not already, or clear it if we have
if (pw == null)
{
pw = ServerPacket.GetWriter();
}
else
{
pw.Reset();
}
// Pack the data and send it
ServerPacket.SetInventorySlot(pw, invSlot, sendItemGraphic, sendItemAmount);
OwnerUser.Send(pw, ServerMessageType.GUIItems);
}
}
finally
{
// If we grabbed a PacketWriter, make sure we dispose of it!
if (pw != null)
{
pw.Dispose();
}
}
// Changes complete
_slotChanged.SetAll(false);
}
void RecvAcceptOrTurnInQuest(IIPSocket conn, BitStream r)
{
var providerIndex = r.ReadMapEntityIndex();
var questID = r.ReadQuestID();
// Get the user
User user;
if ((user = TryGetUser(conn)) == null || user.Map == null)
{
return;
}
if (user.IsPeerTrading)
{
return;
}
// Get the provider
var npc = user.Map.GetDynamicEntity <Character>(providerIndex);
var provider = npc as IQuestProvider <User>;
if (provider == null)
{
return;
}
// Check the distance and state
if (user.Map != npc.Map || user.Map == null || !npc.IsAlive || npc.IsDisposed ||
user.GetDistance(npc) > GameData.MaxNPCChatDistance)
{
return;
}
// Get the quest
var quest = _questManager.GetQuest(questID);
if (quest == null)
{
return;
}
// Ensure this provider even provides this quest
if (!provider.Quests.Contains(quest))
{
return;
}
// If the user already has the quest, try to turn it in
if (user.ActiveQuests.Contains(quest))
{
// Quest already started, try to turn in
var success = user.TryFinishQuest(quest);
using (var pw = ServerPacket.AcceptOrTurnInQuestReply(questID, success, false))
{
user.Send(pw, ServerMessageType.GUI);
}
}
else
{
// Quest not started yet, try to add it
var success = user.TryAddQuest(quest);
using (var pw = ServerPacket.AcceptOrTurnInQuestReply(questID, success, true))
{
user.Send(pw, ServerMessageType.GUI);
}
}
}
void RecvUseWorld(IIPSocket conn, BitStream r)
{
var useEntityIndex = r.ReadMapEntityIndex();
// Get the map and user
User user;
Map map;
if (!TryGetMap(conn, out user, out map))
{
return;
}
if (user.IsPeerTrading)
{
return;
}
if (!user.IsAlive)
{
const string errmsg = "User `{0}` tried to use world entity while dead.";
if (log.IsInfoEnabled)
{
log.InfoFormat(errmsg, user);
}
return;
}
// Grab the DynamicEntity to use
var useEntity = map.GetDynamicEntity(useEntityIndex);
if (useEntity == null)
{
const string errmsg = "UseEntity received but usedEntityIndex `{0}` is not a valid DynamicEntity.";
Debug.Fail(string.Format(errmsg, useEntityIndex));
if (log.IsErrorEnabled)
{
log.ErrorFormat(errmsg, useEntityIndex);
}
return;
}
// Ensure the used DynamicEntity is even usable
var asUsable = useEntity as IUsableEntity;
if (asUsable == null)
{
const string errmsg =
"UseEntity received but useByIndex `{0}` refers to DynamicEntity `{1}` which does " +
"not implement IUsableEntity.";
Debug.Fail(string.Format(errmsg, useEntityIndex, useEntity));
if (log.IsErrorEnabled)
{
log.WarnFormat(errmsg, useEntityIndex, useEntity);
}
return;
}
// Use it
if (asUsable.Use(user))
{
// Notify everyone in the map it was used
if (asUsable.NotifyClientsOfUsage)
{
using (var pw = ServerPacket.UseEntity(useEntity.MapEntityIndex, user.MapEntityIndex))
{
map.Send(pw, ServerMessageType.Map);
}
}
}
}
/// <summary>
/// Tells the skill user to start using the given <paramref name="skill"/>. This is more of a suggestion than a
/// request since the skill user does not actually have to start casting the skill. If this skill user decides
/// to use the skill, the CurrentCastingSkill must be set to the <paramref name="skill"/>.
/// </summary>
/// <param name="skill">The skill to be used.</param>
/// <param name="target">The optional character to use the skill on. Can be null.</param>
/// <returns>True if the <paramref name="skill"/> started being casted; otherwise false. This does not indicate
/// whether or not the skill was or will be successfully used, just that it was attempted to be used. Common
/// times this will return false is if there is a skill already being casted, or if the skill that was
/// attempted to be used still needs to cool down.</returns>
public bool TryStartCastingSkill(ISkill <SkillType, StatType, Character> skill, Character target)
{
if (!_character.IsAlive)
{
return(false);
}
// Check that the character knows the skill
if (!_character.KnownSkills.Knows(skill.SkillType))
{
return(false);
}
// Don't interrupt a skill that the character is already casting
if (IsCastingSkill)
{
return(false);
}
// Check that the group is available for usage
if (_cooldownManager.IsCoolingDown(skill.CooldownGroup, _character.GetTime()))
{
return(false);
}
// Only allow immediate-usage skills when moving
if (_character.Velocity != Vector2.Zero && skill.CastingTime > 0)
{
return(false);
}
if (skill.CastingTime == 0)
{
// The skill to use has no usage delay, so use it immediately
UseSkill(skill, target, true);
}
else
{
// The skill does have a delay, so queue it for usage
_currentCastingSkill = skill;
_castingSkillTarget = target;
var castingTime = skill.CastingTime;
_castingSkillUsageTime = _character.GetTime() + castingTime;
// Tell the character the details about the skill they are casting
if (_character is INetworkSender)
{
using (var pw = ServerPacket.SkillStartCasting_ToUser(skill.SkillType, castingTime))
{
((INetworkSender)_character).Send(pw, ServerMessageType.GUIUserStatus);
}
}
// Tell the users on the map that the character is casting
using (var pw = ServerPacket.SkillStartCasting_ToMap(_character.MapEntityIndex, skill.SkillType))
{
_character.Map.Send(pw, ServerMessageType.MapDynamicEntityProperty);
}
}
return(true);
}
protected void SynchronizePercentage()
{
const int _updatePercentDiff = 2;
// Check if the percentage has changed
int maxHP = _character.ModStats[StatType.MaxHP];
int maxMP = _character.ModStats[StatType.MaxMP];
if (maxHP < 1)
{
const string errmsg = "MaxHP is less than 1 for Character `{0}`!";
if (log.IsErrorEnabled)
{
log.ErrorFormat(errmsg, _character);
}
Debug.Fail(string.Format(errmsg, _character));
return;
}
var newHPPercent = (byte)(((float)_character.HP / maxHP) * 100.0f);
byte newMPPercent = 100;
if (maxMP > 0)
{
newMPPercent = (byte)(((float)_character.MP / maxMP) * 100.0f);
}
var updateHP = Math.Abs(newHPPercent - _lastSentHPPercent) >= _updatePercentDiff;
var updateMP = Math.Abs(newMPPercent - _lastSentMPPercent) >= _updatePercentDiff;
if (!updateHP && !updateMP)
{
return;
}
_lastSentHPPercent = newHPPercent;
_lastSentMPPercent = newMPPercent;
// Get the map
var map = _character.Map;
if (map == null)
{
return;
}
// Get the users to send the update to (excluding this character)
var users = map.Users;
if (_isUser)
{
users = users.Where(x => x != _character);
}
if (users.Count() == 0)
{
return;
}
// Send the updates
using (var pw = ServerPacket.GetWriter())
{
if (updateHP)
{
pw.Reset();
ServerPacket.SetCharacterHPPercent(pw, _character.MapEntityIndex, newHPPercent);
foreach (var user in users)
{
user.Send(pw, ServerMessageType.MapCharacterSP);
}
}
if (updateMP)
{
pw.Reset();
ServerPacket.SetCharacterMPPercent(pw, _character.MapEntityIndex, newMPPercent);
foreach (var user in users)
{
user.Send(pw, ServerMessageType.MapCharacterSP);
}
}
}
}
