/// <summary>
/// Execute the specified command.
/// </summary>
/// <param name="world">A reference to the game world.</param>
/// <param name="gameMap">A reference to the game map.</param>
/// <param name="msg">The creature's message.</param>
public static void ExecuteCommand(GameWorld world, Map gameMap,
string msg, Creature creature)
{
string[] parameters = Regex.Split(msg, " ");
commands[parameters[0].ToLower()].CommandMethod.
Invoke(new object[] { world, gameMap, parameters, creature });
}
/// <summary>
/// Adds a creature to a single tile with only the
/// most basic information. Note: Used for speeding up
/// loading spawns.
/// </summary>
/// <param name="creature">Creature to add.</param>
/// <param name="position">Position to add creature.</param>
public void AddCachedCreature(Creature creature, Position position)
{
lock (lockThis) {
creature.World = this;
creaturesOnline.Add(creature.GetID(), creature);
creature.Finder = pathFinder;
creature.LogedIn = true;
gameMap.AddThing(creature, position);
}
}
/// <summary>
/// Sends a private message to another player.
/// </summary>
/// <param name="sender">The creature sending.</param>
/// <param name="recipient">The recipient's name (player).</param>
/// <param name="msg">The message to send.</param>
private void AppendPrivateMessage(Creature sender, string recipient, string msg)
{
recipient = recipient.ToLower();
foreach (KeyValuePair<string, Player> kvp in playersOnline) {
if (kvp.Key.StartsWith(recipient)) {
kvp.Value.AddGlobalChat(ChatGlobal.PRIVATE_MSG, msg, sender.Name);
sender.AddStatusMessage("Message sent to " + kvp.Value.Name + ".");
return;
}
}
sender.AddStatusMessage("A player with this name is not online.");
}
/// <summary>
/// Handle a message from a creature.
/// </summary>
/// <param name="creature">The creature sending the message.</param>
/// <param name="msg">The message sent.</param>
public void HandleChat(Creature creature, string msg)
{
ThingSet tSet = new ThingSet();
if (msg.StartsWith(PRIVATE_MSG_INDICATOR)) {
HandlePrivateMessage(creature, msg);
} else if (msg.StartsWith(MSG_QUANTIFIER)) {
HandleQuantifiedMessage(creature, msg, tSet);
} else {
tSet = gameMap.GetThingsInVicinity(creature.CurrentPosition, true);
HandleLocalChat(creature.GetChatType(), tSet, msg, creature);
}
}
/// <summary>
/// Gets whether this message is a command. Note: Returns true
/// only if it is a command and the creature has a high
/// enough access level.
/// </summary>
/// <param name="msg">The message to test</param>
/// <param name="creature">The creature for whom to test</param>
/// <returns>True if it is a command and creature has valid access
/// or false otherwise</returns>
public static bool IsCommand(string msg, Creature creature)
{
string[] parameters = Regex.Split(msg, " ");
if (parameters.Length == 0) {
return false;
}
string command = parameters[0];
if (!commands.ContainsKey(command.ToLower())) {
return false;
}
return true; //TODO: Uncomment the bottom command
// return creature.Access >= commands[command.ToLower()].AccessLevel;
}
/// <summary>
/// Handles sending a chat message in a player's local vicinity.
/// </summary>
/// <param name="type">The type of chat to send.</param>
/// <param name="set">The set of things in the player's local vicinity.</param>
/// <param name="msg">The message to send.</param>
/// <param name="sender">The sender of the message.</param>
private void HandleLocalChat(ChatLocal type, ThingSet set,
string msg, Creature sender)
{
foreach (Thing thing in set.GetThings()) {
thing.AddLocalChat(type, msg, sender.CurrentPosition, sender);
}
}
/// <summary>
/// Use this method cast the specified spell. Note: This method only
/// appends and does not send protocol data.
/// </summary>
/// <param name="caster">The creature casting the spell</param>
/// <param name="spell">The spell to cast</param>
/// <param name="tSet">The set of affected things</param>
public void CastSpell(string msg, Creature caster, Spell spell, GameWorld world)
{
/*string error = caster.CanCastSpell(spell);
if (error != null) {
caster.AddAnonymousChat(ChatAnonymous.WHITE, error);
return;
}*/ //TODO: Uncomment
if (spell.IsSpellValid != null && !spell.IsSpellValid(world, msg)) {
world.AddMagicEffect(MagicEffect.PUFF, caster.CurrentPosition);
return;
}
if (spell.RequiresTarget) {
Tile tile = map.GetTile(spell.SpellCenter);
if (tile == null || !tile.ContainsType(Constants.TYPE_CREATURE)) {
world.AddMagicEffect(MagicEffect.PUFF, caster.CurrentPosition);
caster.AddAnonymousChat(ChatAnonymous.WHITE, "No target selected.");
return;
}
}
//Constants.
//Not the most efficient method but it is simple and works.
int length = spell.SpellArea.GetLength(0);
int width = spell.SpellArea.GetLength(1);
Position startPos = new Position();
startPos.x = (ushort)(spell.SpellCenter.x - (width / 2));
startPos.y = (ushort)(spell.SpellCenter.y - (length / 2));
startPos.z = spell.SpellCenter.z;
Position local = new Position();
List<Thing> things = new List<Thing>();
for (int i = 0; i < length; i++) {
for (int j = 0; j < width; j++) {
local.x = (ushort)(startPos.x + j);
local.y = (ushort)(startPos.y + i);
local.z = startPos.z;
if (map.GetTile(local) == null
/*|| !map.GetTile(local).CanMoveTo(caster)
* TODO: Finish*/) {
continue;
}
if (spell.SpellArea[i, j] &&
!map.GetTile(local).ContainsType(Constants.TYPE_BLOCKS_MAGIC)) {
ThingSet tSet = map.GetThingsInVicinity(local);
foreach (Thing thing in tSet.GetThings()) {
thing.AddEffect(spell.SpellEffect, local);
if (spell.HasDistanceType()) {
thing.AddShootEffect((byte)spell.DistanceEffect,
caster.CurrentPosition, spell.SpellCenter);
}
}
List<Thing> localThings = map.GetTile(local).GetThings();
if (spell.Action != null) {
spell.Action.Invoke(world, local, localThings);
}
foreach (Thing thing in map.GetTile(local).GetThings()) {
things.Add(thing);
}
}
}
}
foreach (Thing thing in things) {
thing.AppendHandleDamage(spell.GetDamage(), caster, spell.Immunity, world, true);
}
//caster.NotifyOfSuccessfulCast(spell); TODO: Uncomment
}
public void TurnTowardsTarget(Creature target)
{
//basic error checks
if (target == null)
return;
//Here comes the formula :D
Position oppPos = target.CurrentPosition;
Position thisPos = this.CurrentPosition;
Direction directionToTurn = Direction.WEST;
if (oppPos.x < thisPos.x) {
directionToTurn = Direction.WEST;
} else if (oppPos.x > thisPos.x) {
directionToTurn = Direction.EAST;
} else if (oppPos.y < thisPos.y) {
directionToTurn = Direction.NORTH;
} else if (oppPos.y > thisPos.y) {
directionToTurn = Direction.SOUTH;
}
if (CurrentDirection == directionToTurn) {
//Already facing this direction...
return;
}
World.HandleChangeDirection(this, directionToTurn);
}
/// <summary>
/// Gets how much damage to be done to this creature based on
/// the attacking creature's stats.
/// </summary>
/// <param name="attacker">The creature attacking.</param>
/// <returns>The damage amount if > 0 or PUFF/SPARK constants
/// otherwise.</returns>
public int GetDamageAmt(Creature attacker)
{
int atkValue = attacker.GetAtkValue();
int shieldValue = this.GetShieldValue();
int netValue = atkValue - shieldValue;
if (netValue > 0) {
return netValue;
} else if (netValue == 0) {
return Constants.SPARK;
} else {
return Constants.PUFF;
}
}
public abstract void UpdateCreatureLight(Creature creature, byte light);
public AttackersInformation(Creature atker, int amtDealt)
{
Attacker = atker;
DamageByCreature = amtDealt;
}
public abstract void AddScreenCreature(Creature creature, bool knowsCreature,
Position pos, byte stackpos);
public abstract void AddTileCreature(Creature creature, bool knowsCreature);
public abstract void AddRequestOutfit(Creature creature);
public abstract void AddCreatureMove(Direction direction, Creature creature,
Position oldPos, Position newPos, byte oldStackpos, byte newStackpos);
public abstract void UpdateCreatureOutfit(Creature creature);
/// <summary>
/// This method handles a private message.
/// </summary>
/// <param name="sender">The sender of the message.</param>
/// <param name="msg">The message itself.</param>
private void HandlePrivateMessage(Creature sender, string msg)
{
// Valid format: *name* msg
if (!msg.StartsWith(PRIVATE_MSG_INDICATOR)) {
throw new Exception("Invalid call to HandlePrivateMessage()");
}
bool isName = true;
string name = "";
string message = "";
for (int i = 1; i < msg.Length; i++) {
string charAt = msg[i] + "";
if (charAt == PRIVATE_MSG_INDICATOR) {
isName = false;
continue; //Skip adding PRIVATE_MSG_INDICATOR to message
}
if (isName) {
name += charAt;
} else {
message += charAt;
}
}
//Remove starting space, if applicable;
if (message.StartsWith(EMPTY_SPACE)) {
#if DEBUG
Log.WriteDebug("Message started with empty space.");
#endif
message = message.Substring(1);
}
AppendPrivateMessage(sender, name, message);
}
/// <summary>
/// Handles a broadcast made by a creature.
/// </summary>
/// <param name="sender">The sender of the broadcast.</param>
/// <param name="msg">The message to broadcast.</param>
private void HandleBroadcast(Creature sender, string msg)
{
if (!msg.ToLower().StartsWith(BROADCAST_TYPE + "")) {
throw new Exception("Invalid call to HandleBroadcast()");
}
msg = msg.Substring(1); //Remove quantifier type
//Invalid access level
if (sender.Access < Constants.ACCESS_GAMEMASTER) {
return;
}
foreach (KeyValuePair<string, Player> kvp in playersOnline) {
kvp.Value.ResetNetMessages();
kvp.Value.AddGlobalChat(ChatGlobal.BROADCAST, msg, sender.Name);
kvp.Value.WriteToSocket();
}
}
/// <summary>
/// A quantified message is a message that starts with a special character. For example,
/// in tibia 6.4, # is a quantifier, so #y is used to yell, #w is used to whisper etc.
/// </summary>
/// <param name="sender">Sender of the quantified message.</param>
/// <param name="msg">The message itself.</param>
private void HandleQuantifiedMessage(Creature sender, string msg, ThingSet tSet)
{
if (!msg.StartsWith(MSG_QUANTIFIER)) {
throw new Exception("Invalid call to HandleQuantifiedMessage()");
}
msg = msg.Substring(1); //Remove first quanitifer
char quantifierType = char.ToLower(msg[0]);
switch (quantifierType) {
case BROADCAST_TYPE:
HandleBroadcast(sender, msg);
break;
case WHISPER_TYPE:
gameMap.GetThingsInWhisperVicinity(sender.CurrentPosition, tSet);
//msg.Substring(2) is called in order to remove quantifier type and a space
HandleLocalChat(ChatLocal.WHISPER, tSet, msg.Substring(2), sender);
break;
case YELL_TYPE:
gameMap.GetThingsInYellVacinity(sender.CurrentPosition, tSet);
//msg.Substring(2) is called in order to remove quantifier type and a space
HandleLocalChat(ChatLocal.YELLS, tSet, msg.Substring(2).ToUpper(), sender);
break;
default:
#if DEBUG
Log.WriteDebug("Invalid quantifier type");
#endif
break;
}
}
public override void AppendHandleDamage(int dmgAmt, Creature attacker, ImmunityType type,
GameWorld world, bool magic)
{
world.AppendAddDamage(attacker, this, dmgAmt, type, magic);
}
public override void AddCreatureMove(Direction direction, Creature creature,
Position oldPos, Position newPos, byte oldStackpos, byte newStackpos)
{
if (!creature.AttackableByMonster()) {
return;
}
potentialTargets.Add(creature);
PerformThink();
}
public abstract void UpdateCreatureHealth(Creature creature);
/// <summary>
/// Lets the creature know that it was damaged by another creature.
/// Note: This method adjusts the damage as needed if hp less than 0 or
/// greater than max.
/// </summary>
/// <param name="dmgAmt">Damage amt to add.</param>
/// <param name="attacker">The name of the attacker, null if none.</param>
/// <param name="magic">True if it was a magic attack, false otherwise.</param>
public virtual void AddDamage(int dmgAmt, Creature attacker, bool magic)
{
if (CurrentHP - dmgAmt < 0) {
dmgAmt = CurrentHP;
} else if (CurrentHP - dmgAmt > MaxHP) {
dmgAmt = -1 * (MaxHP - CurrentHP);
}
CurrentHP = (ushort)(CurrentHP - dmgAmt);
if (dmgAmt > 0) {
string loseString = "You lose " + dmgAmt + " hitpoint" +
(dmgAmt > 1 ? "s" : "") + ".";
string leftString = " You have " + CurrentHP + " hitpoint" +
(CurrentHP > 1 ? "s" : "") + " left.";
AddStatusMessage(loseString + leftString);
}
if (CurrentHP == 0) {
CurrentHealthStatus = HealthStatus.DEAD;
} else {
//THE FORMULA! Lolz
int divisor = MaxHP / 5;
CurrentHealthStatus = (HealthStatus)((CurrentHP / divisor) + 1);
if (CurrentHealthStatus >= HealthStatus.TOTAL_TYPES) {
throw new Exception("Invalid health status in AddDamage()");
}
}
}
public override void AddDamage(int dmgAmt, Creature attacker, bool magic)
{
base.AddDamage(dmgAmt, attacker, magic);
totalDamageDealt += dmgAmt;
if (attacker == null) {
return;
}
foreach (AttackersInformation info in attackersInfoList) {
if (info.Attacker == attacker) {
info.DamageByCreature += dmgAmt;
return;
}
}
//Attacker not found in list... therefore add attacker
attackersInfoList.Add(new AttackersInformation(attacker, dmgAmt));
}
public virtual void AppendNotifyOfDeath(Item corpse, Map gameMap)
{
if (CurrentHP == 0) {
CreatureAttacking = null;
}
}
public override void AddTileCreature(Creature creature, Position position,
byte stackpos)
{
if (!creature.AttackableByMonster()) {
return;
}
potentialTargets.Add(creature);
}
public void SetCreatureAttacking(Creature creature)
{
foreach (Monster summon in summons) {
summon.SetCreatureAttacking(creature);
}
CreatureAttacking = creature;
}
/// <summary>
/// Set the master for this monster thus making it
/// a summoned/convinced creature. To make this monster wild (again),
/// send null as the argument.
/// </summary>
/// <param name="creature">Creature to set as the master.</param>
public void SetMaster(Creature creature)
{
if (creature != null) {
creature.AddSummon(this);
}
Master = creature;
}
public void HandlePush(Player player, Position posFrom, ushort thingID,
byte stackpos, Position posTo, byte count, Creature creatureMoved)
{
HandlePush(player, posFrom, thingID, stackpos, posTo, count);
creatureToMove = creatureMoved;
if (!creatureMoved.IsOfType(Constants.TYPE_MOVEABLE)
|| map.GetTile(posTo) == null) {
return;
}
if (map.GetTile(posTo).ContainsType(Constants.TYPE_BLOCKS_AUTO_WALK)
|| !creatureToMove.IsNextTo(posTo) || !player.IsNextTo(posFrom)) {
return;
}
world.HandleMove(creatureMoved, posTo, creatureToMove.CurrentDirection);
}
private bool ExistsPath(Creature creature)
{
List<byte> dir = new List<byte>();
Finder.GetPathTo(this, creature.CurrentPosition, dir, 12, false, false);
return dir.Count > 0;
}
