Scan all chunks in instance instead of in view for escort missions

src/Chunking.cpp

@@ -227,7 +227,7 @@ std::set<Chunk*> Chunking::getViewableChunks(ChunkPos chunk) {
 /*
  * inefficient algorithm to get all chunks from a specific instance
  */
-static std::vector<ChunkPos> getChunksInMap(uint64_t mapNum) {
+std::vector<ChunkPos> Chunking::getChunksInMap(uint64_t mapNum) {
     std::vector<ChunkPos> chnks;
 
     for (auto it = chunks.begin(); it != chunks.end(); it++) {

src/Chunking.hpp

@@ -37,6 +37,7 @@ namespace Chunking {
     bool chunkExists(ChunkPos chunk);
     ChunkPos chunkPosAt(int posX, int posY, uint64_t instanceID);
     std::set<Chunk*> getViewableChunks(ChunkPos chunkPos);
+    std::vector<ChunkPos> getChunksInMap(uint64_t mapNum);
 
     bool inPopulatedChunks(std::set<Chunk*>* chnks);
     void createInstance(uint64_t);

src/Missions.cpp

@@ -361,7 +361,8 @@ static void taskStart(CNSocket* sock, CNPacketData* data) {
 
     // if escort task, assign matching paths to all nearby NPCs
     if (task["m_iHTaskType"] == 6) {
-        for(Chunk* chunk : plr->viewableChunks) // check all NPCs in view
+        for (ChunkPos chunkPos : Chunking::getChunksInMap(plr->instanceID)) { // check all NPCs in the instance
+            Chunk* chunk = Chunking::chunks[chunkPos];
             for (EntityRef ref : chunk->entities) {
                 if (ref.type != EntityType::PLAYER) {
                     BaseNPC* npc = (BaseNPC*)ref.getEntity();
@@ -372,6 +373,7 @@ static void taskStart(CNSocket* sock, CNPacketData* data) {
                     }
                 }
             }
+        }
     }
 }