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Swapped from list to set to prevent duplicates

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Use a set instead, clone instead of adding directly to the list.
This commit is contained in:
James McDowell
2021-05-20 19:16:22 +10:00
parent 0345ce844e
commit 9128329d37
3 changed files with 6 additions and 4 deletions
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2
src/main/java/config/ServerConfig.java
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@@ -307,6 +307,6 @@ public class ServerConfig {
//Event End Timestamp
public long EVENT_END_TIMESTAMP;
//Custom NPC overrides. NPC ID to Name pair.
//Custom NPC overrides. List of NPC IDs.
public List<Integer> NPCS_SCRIPTABLE = new ArrayList<>();
}

6
src/main/java/net/server/channel/handlers/PlayerLoggedinHandler.java
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@@ -408,14 +408,16 @@ public final class PlayerLoggedinHandler extends AbstractMaplePacketHandler {
}
if (YamlConfig.config.server.USE_NPCS_SCRIPTABLE) {
List<Integer> npcsIds = YamlConfig.config.server.NPCS_SCRIPTABLE;
// Create a set to remove duplicate entries if they exist.
Set<Integer> npcsIds = new HashSet<>(YamlConfig.config.server.NPCS_SCRIPTABLE);
// Any npc be specified as the rebirth npc. Allow the npc to use custom scripts explicitly.
if (YamlConfig.config.server.USE_REBIRTH_SYSTEM) {
npcsIds.add(YamlConfig.config.server.REBIRTH_NPC_ID);
}
c.announce(MaplePacketCreator.setNPCScriptable(YamlConfig.config.server.NPCS_SCRIPTABLE));
c.announce(MaplePacketCreator.setNPCScriptable(npcsIds));
}
if(newcomer) player.setLoginTime(System.currentTimeMillis());

2
src/main/java/tools/MaplePacketCreator.java
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@@ -8326,7 +8326,7 @@ public class MaplePacketCreator {
* @param scriptableNpcIds Ids of npcs to enable scripts for.
* @return a packet which makes the npc's provided scriptable.
*/
public static byte[] setNPCScriptable(List<Integer> scriptableNpcIds) { // thanks to GabrielSin
public static byte[] setNPCScriptable(Set<Integer> scriptableNpcIds) { // thanks to GabrielSin
MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();
mplew.writeShort(SendOpcode.SET_NPC_SCRIPTABLE.getValue());
mplew.write(scriptableNpcIds.size());