/**
* <B><U> Concept</U> :</B><br>
* <br>
* All visible object are identified in <B>_visibleObjects</B> of their current L2WorldRegion <br>
* All surrounding L2WorldRegion are identified in <B>_surroundingRegions</B> of the selected
* L2WorldRegion in order to scan a large area around a L2Object
*
* @param object L2object that determine the center of the circular area
* @param radius Radius of the spheric area
* @return all visible objects of the L2WorldRegions in the spheric area (radius) centered on the
* object.
*/
public static List<L2Object> getVisibleObjects3D(L2Object object, int radius) {
if (object == null || !object.isVisible()) return new ArrayList<>();
int x = object.getX();
int y = object.getY();
int z = object.getZ();
int sqRadius = radius * radius;
// Create an FastList in order to contain all visible L2Object
List<L2Object> result = new ArrayList<>();
// Go through visible object of the selected region
for (L2WorldRegion regi : object.getWorldRegion().getSurroundingRegions()) {
Collection<L2Object> vObj = regi.getVisibleObjects().values();
for (L2Object _object : vObj) {
if (_object == null || _object.equals(object)) continue; // skip our own character
int x1 = _object.getX();
int y1 = _object.getY();
int z1 = _object.getZ();
long dx = x1 - x;
long dy = y1 - y;
long dz = z1 - z;
if (dx * dx + dy * dy + dz * dz < sqRadius) result.add(_object);
}
}
return result;
}
/**
* <B><U> Concept</U> :</B><br>
* <br>
* All visible object are identified in <B>_visibleObjects</B> of their current L2WorldRegion <br>
* All surrounding L2WorldRegion are identified in <B>_surroundingRegions</B> of the selected
* L2WorldRegion in order to scan a large area around a L2Object
*
* @param object L2object that determine the center of the circular area
* @param radius Radius of the circular area
* @return all visible objects of the L2WorldRegions in the circular area (radius) centered on the
* object.
*/
public static List<L2Object> getVisibleObjects(L2Object object, int radius) {
if (object == null || !object.isVisible()) return new ArrayList<>();
int x = object.getX();
int y = object.getY();
int sqRadius = radius * radius;
// Create an FastList in order to contain all visible L2Object
List<L2Object> result = new ArrayList<>();
// Go through the FastList of region
for (L2WorldRegion regi : object.getWorldRegion().getSurroundingRegions()) {
// Go through visible objects of the selected region
Collection<L2Object> vObj = regi.getVisibleObjects().values();
for (L2Object _object : vObj) {
if (_object == null || _object.equals(object)) continue; // skip our own character
int x1 = _object.getX();
int y1 = _object.getY();
double dx = x1 - x;
double dy = y1 - y;
// If the visible object is inside the circular area add the object to the FastList result
if (dx * dx + dy * dy < sqRadius) result.add(_object);
}
}
return result;
}
/**
* Remove a L2Object from the world.<br>
* <br>
* <B><U> Concept</U> :</B><br>
* <br>
* L2Object (including L2PcInstance) are identified in <B>_visibleObjects</B> of his current
* L2WorldRegion and in <B>_knownObjects</B> of other surrounding L2Characters <br>
* L2PcInstance are identified in <B>_allPlayers</B> of L2World, in <B>_allPlayers</B> of his
* current L2WorldRegion and in <B>_knownPlayer</B> of other surrounding L2Characters <br>
* <br>
* <B><U> Actions</U> :</B><br>
* <br>
* <li>Remove the L2Object object from _allPlayers* of L2World
* <li>Remove the L2Object object from _visibleObjects and _allPlayers* of L2WorldRegion
* <li>Remove the L2Object object from _gmList** of GmListTable
* <li>Remove object from _knownObjects and _knownPlayer* of all surrounding L2WorldRegion
* L2Characters<br>
* <li>If object is a L2Character, remove all L2Object from its _knownObjects and all L2PcInstance
* from its _knownPlayer<br>
* <br>
* <FONT COLOR=#FF0000><B> <U>Caution</U> : This method DOESN'T REMOVE the object from
* _allObjects of L2World</B></FONT><br>
* <br>
* <I>* only if object is a L2PcInstance</I><br>
* <I>** only if object is a GM L2PcInstance</I><br>
* <br>
* <B><U> Example of use </U> :</B><br>
* <br>
* <li>Pickup an Item
* <li>Decay a L2Character<br>
* <br>
*
* @param object L2object to remove from the world
* @param oldRegion L2WorldRegion in wich the object was before removing
*/
public void removeVisibleObject(L2Object object, L2WorldRegion oldRegion) {
if (object == null) return;
if (oldRegion != null) {
// Remove the object from the L2ObjectHashSet(L2Object) _visibleObjects of L2WorldRegion
// If object is a L2PcInstance, remove it from the L2ObjectHashSet(L2PcInstance) _allPlayers
// of this L2WorldRegion
oldRegion.removeVisibleObject(object);
// Go through all surrounding L2WorldRegion L2Characters
for (L2WorldRegion reg : oldRegion.getSurroundingRegions()) {
Collection<L2Object> vObj = reg.getVisibleObjects().values();
for (L2Object obj : vObj) {
if (obj != null) {
obj.getKnownList().removeKnownObject(object);
object.getKnownList().removeKnownObject(obj);
}
}
}
// If object is a L2Character :
// Remove all L2Object from L2ObjectHashSet(L2Object) containing all L2Object detected by the
// L2Character
// Remove all L2PcInstance from L2ObjectHashSet(L2PcInstance) containing all player ingame
// detected by the L2Character
object.getKnownList().removeAllKnownObjects();
// If selected L2Object is a L2PcIntance, remove it from L2ObjectHashSet(L2PcInstance)
// _allPlayers of L2World
if (object instanceof L2PcInstance) {
if (!((L2PcInstance) object).isTeleporting()) removeFromAllPlayers((L2PcInstance) object);
}
}
}
/**
* <B><U> Concept</U> :</B><br>
* <br>
* All visible object are identified in <B>_visibleObjects</B> of their current L2WorldRegion <br>
* All surrounding L2WorldRegion are identified in <B>_surroundingRegions</B> of the selected
* L2WorldRegion in order to scan a large area around a L2Object<br>
* <br>
*
* @param object L2object that determine the current L2WorldRegion
* @return all visible objects of the L2WorldRegion object's and of its surrounding L2WorldRegion.
*/
public static List<L2Object> getVisibleObjects(L2Object object) {
L2WorldRegion reg = object.getWorldRegion();
if (reg == null) return null;
// Create an FastList in order to contain all visible L2Object
List<L2Object> result = new ArrayList<>();
// Go through the FastList of region
for (L2WorldRegion regi : reg.getSurroundingRegions()) {
// Go through visible objects of the selected region
Collection<L2Object> vObj = regi.getVisibleObjects().values();
for (L2Object _object : vObj) {
if (_object == null || _object.equals(object)) continue; // skip our own character
if (!_object.isVisible()) continue; // skip dying objects
result.add(_object);
}
}
return result;
}