/// <summary>
/// Gets the thing with the specified parameters or
/// null if such a thing can't be found. Note: The thing
/// must be visible for the player.
/// </summary>
/// <param name="player">The player for whom to get the item.</param>
/// <param name="pos">The position of the item.</param>
/// <param name="stackpos">The stackposition of the thing.</param>
/// <param name="usePosZ">Use position.z for index instead of stackpos.</param>
/// <returns>The thing or null if can't be found.</returns>
public Thing GetThing(Player player, Position pos, byte stackpos, bool usePosZ)
{
//container/inventory
if (CarryingPos(pos)) {
if (ContainerPos(pos)) { //From container
int containerIndex = pos.y - CONTAINER_HEADER;
int itemIndex = usePosZ ? pos.z : stackpos;
Container container = player.GetContainerByIndex(containerIndex);
if (container == null) {
return null;
}
return container.GetItemByIndex(itemIndex);
} else { //inventory
return player.GetInventoryItem((byte)pos.y);
}
} else if (player.CanSee(pos)) { //ground
if (stackpos == Constants.STACKPOS_TOP_ITEM) {
return map.GetTopThing(pos);
} else {
Tile tile = map.GetTile(pos);
if (tile == null) {
return null;
}
return tile.GetThing(stackpos);
}
}
return null;
}
/// <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);
}
}
public Spell()
{
//Number of vocations
int vocationsTotal = Enum.GetValues(typeof(Vocation)).Length;
Name = "None";
RequiredMLevel = 0;
Immunity = ImmunityType.IMMUNE_PHYSICAL;
DistanceEffect = DistanceType.EFFECT_NONE;
SpellEffect = MagicEffect.YELLOW_RINGS;
SpellCenter = new Position(0, 0, 0);
MinDmg = 0;
MaxDmg = 0;
Rand = new Random(DateTime.Now.Millisecond);
Rune = null;
RequiresTarget = false;
}
/// <summary>
/// Given an old position and a direction, this method returns
/// a new position based on that direction.
/// </summary>
/// <param name="oldPos">The old position.</param>
/// <param name="direction">The direction to move.</param>
/// <returns>The new position.</returns>
public static Position GetNewPosition(Position oldPos, Direction direction)
{
Position pos = oldPos.Clone();
switch (direction) {
case Direction.NORTH:
pos.y--;
break;
case Direction.EAST:
pos.x++;
break;
case Direction.SOUTH:
pos.y++;
break;
case Direction.WEST:
pos.x--;
break;
default:
Log.WriteLine("Unknown direction: " + direction);
break;
}
return pos;
}
/// <summary>
/// Sends the protocol data for adding itself to the ground.
/// </summary>
/// <param name="proto">A reference to the protocol.</param>
/// <param name="player">The player for whom to add this to.</param>
/// <param name="stackPos">The stack position of this thing.</param>
public override void AddThisToGround(ProtocolSend proto,
Player Player, Position pos, byte stackPos)
{
proto.AddScreenCreature(this, Player.KnowsCreature(this),
pos, stackPos);
}
/// <summary>
/// Gets the next bytes in the buffer and treats them as a position.
/// </summary>
/// <returns>
/// The position as specified by the buffer.
/// </returns>
public Position GetPosition()
{
Position pos = new Position();
pos.x = GetU16();
pos.y = GetU16();
pos.z = GetByte();
return pos;
}
/// <summary>
/// Adds the specified position to the buffer.
/// </summary>
/// <param name="pos">
/// The position to add.
/// </param>
public void AddPosition(Position pos)
{
AddU16(pos.x);
AddU16(pos.y);
AddByte(pos.z);
}
private void HandlePush(Player player, Position posFrom, ushort thingID,
byte stackpos, Position posTo, byte count)
{
this.player = player;
this.posFrom = posFrom;
this.thingID = thingID;
this.stackpos = stackpos;
this.posTo = posTo;
this.count = count;
}
public abstract void UpdateItem(Position pos, Item item, byte stackpos);
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);
}
/// <summary>
/// Tests if the specified position indicates
/// a move to/from a carrying position.
/// </summary>
/// <param name="pos">The position to test.</param>
/// <returns>True if to/from carrying, false otherwise.</returns>
private bool CarryingPos(Position pos)
{
return pos.x == CARRYING_HEADER;
}
public abstract void AddScreenMoveByOne(Direction direction, Position oldPos,
Position newPos, Map map, Player player);
public abstract void AddShootEffect(byte effect, Position origin, Position dest);
public abstract void AddLocalChat(ChatLocal chatType, string message, Position pos,
string nameFrom);
public abstract void AddScreenCreature(Creature creature, bool knowsCreature,
Position pos, byte stackpos);
public abstract void AddItem(Position pos, Item item, byte stackpos);
public abstract void AddEffect(MagicEffect effect, Position pos);
public abstract void AddCreatureMove(Direction direction, Creature creature,
Position oldPos, Position newPos, byte oldStackpos, byte newStackpos);
public override void AppendHandlePush(Player player, Position posFrom, ushort thingID,
byte stackpos, Position posTo, byte count, GameWorld world)
{
world.GetMovingSystem().HandlePush(player, posFrom, thingID, stackpos, posTo,
count, this);
}
public override void AddCreatureMove(Direction direction, Creature creature,
Position oldPos, Position newPos, byte oldStackpos, byte newStackpos)
{
if (!creature.AttackableByMonster()) {
return;
}
potentialTargets.Add(creature);
PerformThink();
}
/// <summary>
/// See GetThing()'s overloaded method.
/// </summary>
/// <param name="player"></param>
/// <param name="?"></param>
/// <param name="stackpos"></param>
/// <returns></returns>
public Thing GetThing(Player player, Position pos, byte stackpos)
{
return GetThing(player, pos, stackpos, false);
}
public override void AddTileCreature(Creature creature, Position position,
byte stackpos)
{
if (!creature.AttackableByMonster()) {
return;
}
potentialTargets.Add(creature);
}
/// <summary>
/// Handle moving from a player. Note: This method is not thread-safe!
/// </summary>
/// <param name="player">The player moving the thing.</param>
/// <param name="posFrom">The position where the thing current is.</param>
/// <param name="thingID">The thing's id.</param>
/// <param name="stackpos">The thing's stackpos.</param>
/// <param name="posTo">The new position to place the item.</param>
/// <param name="count">How much of the thing to move, if applicable.</param>
public void HandlePush(Player player, Position posFrom, ushort thingID,
byte stackpos, Position posTo, byte count, Item itemMoved)
{
HandlePush(player, posFrom, thingID, stackpos, posTo, count);
itemToMove = itemMoved;
//TODO: Finish validating moves...
if (!IsItemMoveValid()) {
return;
}
HandleItemMove();
}
/// <summary>
/// Swap the items. Note: The posTo must be to an inventory location
/// and the posFrom must not be an inventory item and the items
/// to swap must both be equipable.
/// </summary>
/// <param name="invItem">The inventory item to swap.</param>
/// <param name="invIndex">The index for which to swap in the inventory.</param>
private void SwapItem(Item invItem, byte invIndex)
{
byte origCount = count;
Item otherItem = itemToMove;
Position oldPos = posFrom.Clone();
posFrom = posTo;
itemToMove = invItem;
count = invItem.Count;
MoveItemFromInventory();
itemToMove = invItem;
count = invItem.Count;
posTo = oldPos;
if (ContainerPos(posTo)) {
MoveItemToContainer();
} else {
MoveToGround();
}
posTo = posFrom;
itemToMove = otherItem;
count = origCount;
MoveItemToInventory();
/*Thing thingToMove = otherItem;
count = otherItem.Count;
Position temp = posFrom.Clone();
if (ContainerPos(posFrom)) {
MoveFromContainer(ref thingToMove);
} else { //From ground
Console.WriteLine("from ground called");
MoveFromGround(ref thingToMove);
}
/*
thingToMove = invItem;
count = invItem.Count;
posFrom.y = invIndex;
MoveFromInventory(ref thingToMove);
Position temp2 = posTo.Clone();
posTo = temp.Clone();
if (ContainerPos(posTo)) {
MoveToContainer(thingToMove);
} else {
MoveToGround(thingToMove);
}
thingToMove = otherItem;
posTo = temp2.Clone();
MoveToInventory(thingToMove);
foreach (Thing thing in thingsPrepared) {
thing.Finish();
}*/
}
/// <summary>
/// Tests if the specified position indicates
/// a move to/from a container position.
/// </summary>
/// <param name="pos">The position to test.</param>
/// <returns>True if to/from container, false otherwise.</returns>
private bool ContainerPos(Position pos)
{
return CarryingPos(pos) && (pos.y & CONTAINER_HEADER) != 0;
}
public abstract void RemoveThing(Position pos, byte stackpos);
/// <summary>
/// Tests if the specified position indicates
/// a move to/from an inventory position.
/// </summary>
/// <param name="pos">The position to test.</param>
/// <returns>True if to/from inventory, false otherwise.</returns>
private bool InventoryPos(Position pos)
{
return CarryingPos(pos) && !ContainerPos(pos);
}
public abstract void UpdateCreatureDirection(Creature creature,
Direction direction, byte stackpos, Position position);
public override void RemoveThing(Position position, byte stackpos)
{
PerformThink();
}
/// <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
}