Prefetch char.ini for characters present in area via playerlist

Store player data (charId, area) in an in-memory Map on the client,
updated by PR/PU packet handlers. Use this to eagerly load char.ini
when a player's character appears in our area or when switching areas,
eliminating the lazy-load delay on first IC message.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/webAO/packets/handlers/handlePR.ts b/webAO/packets/handlers/handlePR.ts
index aeb3969..e39103d 100644
--- a/webAO/packets/handlers/handlePR.ts
+++ b/webAO/packets/handlers/handlePR.ts
@@ -53,6 +53,11 @@ function removePlayer(playerID: number) {
  */
 export const handlePR = (args: string[]) => {
   const playerID = Number(args[1]);
-  if (Number(args[2]) === 0) addPlayer(playerID);
-  else if (Number(args[2]) === 1) removePlayer(playerID);
+  if (Number(args[2]) === 0) {
+    addPlayer(playerID);
+    client.players.set(playerID, { charId: -1, area: 0 });
+  } else if (Number(args[2]) === 1) {
+    removePlayer(playerID);
+    client.players.delete(playerID);
+  }
 };