/**
* Sets the entities of the map.
*
* @param allEntities an array of 3 MapEntity sets: a set for each layer (this array is copied)
*/
public void setAllEntities(MapEntities[] allEntities) {
for (Layer layer : Layer.values()) {
this.allEntities[layer.getId()] = new MapEntities(allEntities[layer.getId()]);
}
setChanged();
notifyObservers();
}
/**
* Changes the layer of an entity. You should call this method instead of calling directly
* MapEntity.setLayer(), because the entity of the 3 layers are stored in 3 different structures.
* If the entity is not known by the map (yet), this method just calls MapEntity.setLayer().
*
* @param entity the entity to change the layer
* @param layer the new layer
*/
public void setEntityLayer(MapEntity entity, Layer layer) {
Layer oldLayer = entity.getLayer();
if (layer != oldLayer) {
entity.setLayer(layer);
if (allEntities[oldLayer.getId()].remove(entity)) {
allEntities[layer.getId()].add(entity);
}
setChanged();
notifyObservers();
}
}
/**
* Finds all entities of a type on the map.
*
* @param entityType a type of entity
* @return the list of the entities of this kind on the map
*/
public List<MapEntity> getEntitiesOfType(EntityType entityType) {
List<MapEntity> list = new LinkedList<MapEntity>();
for (Layer layer : Layer.values()) {
list.addAll(allEntities[layer.getId()].getEntitiesOfType(entityType));
}
return list;
}
/**
* Changes the tileset of the map.
*
* @param tilesetId id of the new tileset, or an empty string to set no tileset
* @return true if the tileset was loaded successfuly, false if some tiles could not be loaded in
* this tileset
* @throws MapException if this tileset could be applied
*/
public boolean setTileset(String tilesetId) throws ZSDXException {
this.badTiles = false;
// if the tileset is removed
if (tilesetId.length() == 0 && this.tilesetId.length() != 0) {
this.tilesetId = tilesetId;
this.tileset = null;
setChanged();
notifyObservers();
}
// if the tileset is changed
else if (!tilesetId.equals(this.tilesetId)) {
this.tileset = new Tileset(tilesetId);
for (Layer layer : Layer.values()) {
LinkedList<MapEntity> entitiesToRemove = new LinkedList<MapEntity>();
for (MapEntity entity : allEntities[layer.getId()]) {
try {
entity.setTileset(tileset);
} catch (NoSuchTilePatternException ex) {
// the entity is not valid anymore, we should remove it from the map
entitiesToRemove.add(entity);
badTiles = true;
}
}
for (MapEntity entity : entitiesToRemove) {
allEntities[layer.getId()].remove(entity);
}
}
this.tilesetId = tilesetId;
setChanged();
notifyObservers(tileset);
}
return !badTiles;
}
/** Initializes the object. */
private void initialize() {
this.allEntities = new MapEntities[3];
for (Layer layer : Layer.values()) {
this.allEntities[layer.getId()] = new MapEntities();
}
this.entitySelection = new MapEntitySelection(this);
this.history = new MapEditorHistory();
}
/**
* Returns an entity, specifying its type and its name.
*
* @param type the type of entity
* @param name the name of the entity
* @return the entity, or null if there is no entity with this name
*/
public MapEntity getEntityWithName(EntityType type, String name) {
for (Layer layer : Layer.values()) {
MapEntity entity = allEntities[layer.getId()].getEntityWithName(type, name);
if (entity != null) {
return entity;
}
}
return null;
}
/**
* Returns the total number of active entities of the map.
*
* @return the total number of active entities of the map.
*/
public int getNbDynamicEntities() {
int nbDynamicEntities = 0;
// count the dynamic entities of each layer
for (Layer layer : Layer.values()) {
nbDynamicEntities += allEntities[layer.getId()].getNbDynamicEntities();
}
return nbDynamicEntities;
}
/**
* Returns the total number of entities of the map.
*
* @return the total number of entities of the map.
*/
public int getNbEntities() {
int nbEntities = 0;
// count the entities of each layer
for (Layer layer : Layer.values()) {
nbEntities += allEntities[layer.getId()].size();
}
return nbEntities;
}
/**
* Returns the highest layer where a specified rectangle overlaps an existing entity.
*
* @param rectangle a rectangle
* @return the highest layer where an entity exists in this rectangle, or Layer.LOW if there is
* nothing here
*/
public Layer getLayerInRectangle(Rectangle rectangle) {
Layer[] layers = {Layer.HIGH, Layer.INTERMEDIATE, Layer.LOW};
for (Layer layer : layers) {
for (MapEntity entity : allEntities[layer.getId()]) {
if (rectangle.intersects(entity.getPositionInMap())) {
return layer;
}
}
}
return Layer.LOW;
}
/**
* Returns the first entity under a point of the map, in the specified layer.
*
* @param layer the layer
* @param x x of the point
* @param y y of the point
* @return the entity found, or null if there is no entity here
*/
public MapEntity getEntityAt(Layer layer, int x, int y) {
MapEntities entities = allEntities[layer.getId()];
ListIterator<MapEntity> iterator = entities.listIterator(entities.size());
while (iterator.hasPrevious()) {
MapEntity entity = iterator.previous();
if (entity.containsPoint(x, y)) {
return entity;
}
}
return null;
}
/**
* Brings the specified entities to the front, keeping their layer. The order of the specified
* entities in the map is unchanged.
*
* @param entities the entities to move
*/
public void bringToFront(List<MapEntity> entities) {
List<MapEntity> sortedEntities = getSortedEntities(entities);
// bring to front each entity from sortedEntities
ListIterator<MapEntity> iterator = sortedEntities.listIterator(0);
while (iterator.hasNext()) {
MapEntity entity = iterator.next();
Layer layer = entity.getLayer();
allEntities[layer.getId()].remove(entity);
allEntities[layer.getId()].addLast(entity);
}
setChanged();
notifyObservers();
}
/**
* Brings the specified entities to the back, keeping their layer. The order of the specified
* entities in the map is unchanged.
*
* @param entities the entities to move
*/
public void bringToBack(List<MapEntity> entities) {
List<MapEntity> sortedEntities = getSortedEntities(entities);
// bring to back each entity from sortedEntities
ListIterator<MapEntity> iterator = sortedEntities.listIterator(sortedEntities.size());
while (iterator.hasPrevious()) {
MapEntity entity = iterator.previous();
Layer layer = entity.getLayer();
allEntities[layer.getId()].remove(entity);
allEntities[layer.getId()].addFirst(entity);
}
setChanged();
notifyObservers();
}
/**
* Returns the specified entities, sorted in the order of the map. The first entity is the lowest
* one, the last entity is the highest one.
*
* @param entities the entities to sort
* @return the same entities, sorted as they are in the map
*/
public List<MapEntity> getSortedEntities(List<MapEntity> entities) {
List<MapEntity> sortedEntities = new LinkedList<MapEntity>();
// sort the entities so that they have the same order as in the map
for (Layer layer : Layer.values()) {
for (MapEntity entity : allEntities[layer.getId()]) {
if (entities.contains(entity)) {
sortedEntities.add(entity);
}
}
}
// now sortedEntities contains all entities of the list,
// sorted in the same order as in the map
return sortedEntities;
}
/**
* Returns the entities located in a rectangle defined by two points.
*
* @param x1 x coordinate of the first point
* @param y1 y coordinate of the first point
* @param x2 x coordinate of the second point
* @param y2 y coordinate of the second point
*/
public List<MapEntity> getEntitiesInRectangle(int x1, int y1, int x2, int y2) {
List<MapEntity> entitiesInRectangle = new LinkedList<MapEntity>();
int x = Math.min(x1, x2);
int width = Math.abs(x2 - x1);
int y = Math.min(y1, y2);
int height = Math.abs(y2 - y1);
Rectangle rectangle = new Rectangle(x, y, width, height);
for (Layer layer : Layer.values()) {
for (MapEntity entity : allEntities[layer.getId()]) {
if (rectangle.contains(entity.getPositionInMap())) {
entitiesInRectangle.add(entity);
}
}
}
return entitiesInRectangle;
}
/**
* Returns the entities of the map on a given layer.
*
* @param layer the layer
* @return the entities placed on that layer
*/
public MapEntities getEntities(Layer layer) {
return allEntities[layer.getId()];
}
/**
* Saves the map into its file.
*
* @throws ZSDXException if the file could not be written for various reasons
*/
public void save() throws ZSDXException {
// check that the map is valid
checkValidity();
try {
// open the map file
File mapFile = Project.getMapFile(mapId);
PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(mapFile)));
// print the map general info
// syntax: width height world floor x y small_keys_variable tileset_id music_id
out.print(size.width);
out.print('\t');
out.print(size.height);
out.print('\t');
out.print(world);
out.print('\t');
out.print(floor);
out.print('\t');
out.print(location.x);
out.print('\t');
out.print(location.y);
out.print('\t');
out.print(smallKeysVariable);
out.print('\t');
out.print(tilesetId);
out.print('\t');
out.print(musicId);
out.println();
for (Layer layer : Layer.values()) {
MapEntities entities = allEntities[layer.getId()];
// print the entities
for (MapEntity entity : entities) {
out.print(entity.toString());
out.println();
}
}
out.close();
history.setSaved();
// also update the map name in the global resource list
Resource mapResource = Project.getResource(ResourceType.MAP);
mapResource.setElementName(mapId, name);
Project.getResourceDatabase().save();
// upate the dungeon elements of this map
if (isInDungeon()) {
Dungeon.saveMapInfo(this);
}
// create a script for the map if necessary
File scriptFile = Project.getMapScriptFile(mapId);
if (!scriptFile.exists()) {
scriptFile.createNewFile();
}
} catch (IOException ex) {
throw new MapException(ex.getMessage());
}
}