/// <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>
/// Todo: Finish code.
/// </summary>
/// <returns></returns>
public bool CanSpawn()
{
if (!Monster.ExistsMonster(MonsterName)) {
return false;
}
Position pos = new Position(CenterX, CenterY, CenterZ);
Map map = world.GetGameMap();
Tile tile = map.GetTile(pos);
if (tile == null || tile.ContainsType(Constants.TYPE_BLOCKS_AUTO_WALK)) {
return false;
}
return true;
}
public static Spell CreateCreatureSpell(string name, string argument,
Creature creature, int min, int max, Position spellCenter)
{
Spell spell = new Spell();
otherSpells[name.ToLower()].InitDelegate.Invoke
(new object[] { name, creature, min, max, spellCenter, spell, argument });
return spell;
}
/// <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>
/// 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 UseItemAction(Player player, byte itemType,
Position pos, ushort itemID, byte stackpos)
{
this.player = player;
this.itemType = itemType;
this.pos = pos;
this.itemID = itemID;
this.stackpos = stackpos;
}
public MoveItemDelayed(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 bool GetPathTo(Creature creature, Position destPos,
List<byte> listDir, Int32 maxSearchDist, bool allowZChange, bool intendingToReachDes)
{
if (intendingToReachDes &&
gameMap.TileContainsType(destPos, Constants.TYPE_BLOCKS_AUTO_WALK)) {
listDir.Clear();
return false;
}
listDir.Clear();
Position startPos = creature.CurrentPosition;
Position endPos = destPos;
if (endPos == null) {
return false;
}
if (startPos.z != endPos.z)
return false;
AStarNodes nodes = new AStarNodes();
AStarNode startNode = nodes.CreateOpenNode();
startNode.x = startPos.x;
startNode.y = startPos.y;
startNode.g = 0;
startNode.h = nodes.GetEstimatedDistance
(startPos.x, startPos.y, endPos.x, endPos.y);
startNode.f = startNode.g + startNode.h;
startNode.parent = null;
Position pos = new Position();
pos.z = startPos.z;
short[,] neighbourOrderList =
{
{-1, 0},
{0, 1},
{1, 0},
{0, -1},
//diagonal
{-1, -1},
{1, -1},
{1, 1},
{-1, 1},
};
//MapTile tile = null;
AStarNode found = null;
while (nodes.CountClosedNodes() < 100) {
AStarNode n = nodes.GetBestNode();
if (n == null) {
listDir.Clear();
return false; //No path found
}
if (n.x == endPos.x && n.y == endPos.y) {
found = n;
break;
} else {
for (int i = 0; i < 8; i++) {
if (i > 3 && (allowZChange || intendingToReachDes)) {
continue;
}
//Console.WriteLine("neighbourhood["+i+", 1]" + neighbourOrderList[i, 0]);
pos.x = (ushort)(n.x + neighbourOrderList[i, 0]);
pos.y = (ushort)(n.y + neighbourOrderList[i, 1]);
int endPosX = endPos.x;
int endPosY = endPos.y;
int posX = pos.x;
int posY = pos.y;
bool outOfRange = false;
if (Math.Abs(endPosX - posX) > maxSearchDist ||
Math.Abs(endPosY - posY) > maxSearchDist) {
outOfRange = true;
}
if ((!outOfRange) &&
(!gameMap.TileContainsType(pos, Constants.TYPE_BLOCKS_AUTO_WALK))
|| (destPos.x == pos.x && destPos.y == pos.y)) {
if (i > 3 && !destPos.Equals(pos)) {
nodes.CloseNode(n);
continue;
}
int cost = 0;
int extraCost = 0;
int newg = n.g + cost + extraCost;
AStarNode neighbourNode = nodes.GetNodeInList(pos.x, pos.y);
if (neighbourNode != null) {
if (neighbourNode.g <= newg) {
continue;
}
nodes.OpenNode(neighbourNode);
} else {
neighbourNode = nodes.CreateOpenNode();
if (neighbourNode == null) {
listDir.Clear();
return false;
}
}
neighbourNode.x = pos.x;
neighbourNode.y = pos.y;
neighbourNode.parent = n;
neighbourNode.g = newg;
neighbourNode.h = (nodes.GetEstimatedDistance((int)neighbourNode.x,
(int)neighbourNode.y, (int)endPos.x, (int)endPos.y));
neighbourNode.f = neighbourNode.g + neighbourNode.h;
}
}
nodes.CloseNode(n);
}
}
int prevX = endPos.x;
int prevY = endPos.y;
int dx, dy;
while (found != null) {
pos.x = (ushort)found.x;
pos.y = (ushort)found.y;
found = found.parent;
dx = pos.x - prevX;
dy = pos.y - prevY;
prevX = pos.x;
prevY = pos.y;
if (dx == 1)
listDir.Insert(0, (byte)Direction.WEST);
else if (dx == -1)
listDir.Insert(0, (byte)Direction.EAST);
else if (dy == 1)
listDir.Insert(0, (byte)Direction.NORTH);
else if (dy == -1)
listDir.Insert(0, (byte)Direction.SOUTH);
}
bool empty = true;
if (listDir.Count == 0)
empty = false;
return (!empty);
}
public bool GetPathTo(Creature creature, Position destPos,
List<byte> listDir, Int32 maxSearchDist, bool allowZChange)
{
return GetPathTo(creature, destPos, listDir, maxSearchDist, allowZChange, false);
}
public bool GetPathTo(Creature creature, Position destPos,
ref List<byte> listDir, Int32 maxSearchDist)
{
return GetPathTo(creature, destPos, listDir, 12, false);
}
public override void RemoveThing(Position position, byte stackpos)
{
PerformThink();
}
public override void AddTileCreature(Creature creature, Position position,
byte stackpos)
{
if (!creature.AttackableByMonster()) {
return;
}
potentialTargets.Add(creature);
}
/// <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;
}
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;
}
/// <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.AddItem(pos, this, stackPos);
}
/// <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();
}*/
}
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);
}
/// <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);
}
public override void UseThingWith(Player user, Position posWith, GameWorld world,
byte stackposWith)
{
string attr = GetAttribute(Constants.ATTRIBUTE_RUNES_SPELL_NAME);
if (attr != null) {
Spell spell = Spell.CreateRuneSpell(attr, user, posWith);
spell.Rune = this;
spell.UseWithPos = posWith;
spell.UseWithStackpos = stackposWith;
world.GetSpellSystem().CastSpell(spell.Name, user, spell, world);
return;
}
if (useItemsWith.ContainsKey(ItemID)) {
useItemsWith[ItemID](this, user, world, posWith, stackposWith);
}
}
/// <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
}
/// <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 static Spell CreateRuneSpell(string name, Player player, Position pos)
{
Spell spell = new Spell();
otherSpells[name.ToLower()].InitDelegate.Invoke
(new object[] { name, player, pos, spell });
return spell;
}
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);
}
public override void AddLocalChat(ChatLocal chatType,
string message, Position pos, Creature creatureFrom)
{
if (creatureFrom == this) {
return;
}
lastMessage = message.ToLower();
lastMessage = lastMessage.Replace(".", "");
lastMessage = lastMessage.Replace("?", "");
lastCreatureSay = creatureFrom;
HandleMessage();
}
/// <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();
}
//TODO: Completely rework this method... it currently sucks
//A LOT... i mean it!
public void CheckForRespawn()
{
Position pos = new Position(CenterX, CenterY, CenterZ);
Monster monster = Monster.CreateMonster(MonsterName);
if (monster != null && world.GetGameMap().GetTile(pos) != null) {
world.AppendAddMonster(monster, pos);
}
return;
Map map = world.GetGameMap();
ThingSet tSet = map.GetThingsInVicinity(pos);
//Monster monster = Monster.CreateMonster(MonsterName);
if (monster == null)
return;
if (map.GetTile(pos) != null &&
!map.TileContainsType(pos, Constants.TYPE_BLOCKS_AUTO_WALK)) {
bool canRespawn = true;
foreach (Thing thing in tSet.GetThings()) {
if (thing is Player) { //TODO: FIX this crap
canRespawn = false;
}
}
if (canRespawn)
world.SendAddMonster(monster, pos);
} else {
return;
}
// if (map.GetTile(pos) != null &&
// !map.TileContainsType(pos, Constants.TYPE_BLOCKS_AUTO_WALK)) {
// Console.WriteLine("x: " + x++);
//world.SendAddMonster(monster, pos);
// }
world.AddEventInCS(SpawnTime, CheckForRespawn);
}
/// <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;
}
