Decompile 4 functions in Source/Client/Mode/CGameMode.h, Source/Contents/Ground/TerrainCoordinates.cpp, ...

Batch #1556 by ragnarok-clanker: 2 byte-identical, 2 confirmed by peer review.

- fn_19489 CNavi_Link::GetLinkedInfo: byte-identical
- fn_19481 CNaviInfo::IsVisited: byte-identical
- fn_45449 CNaviData::Clear: logic confirmed by peer review
- fn_19371 CNaviData::~CNaviData: logic confirmed by peer review

Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
Adds to the build: Source/Contents/NavigationDestinations.cpp, Source/Contents/NavigationGraph.cpp, Source/Contents/WorldNavigation.cpp

Source/Contents/NavigationDestinations.cpp

@@ -0,0 +1,48 @@
+#include "Contents/NavigationManager.h"
+
+#include <cstring>
+
+#pragma pack(push, 1)
+struct NavigationStateRecord {
+  /* 0000 */ int type;
+  /* 0004 */ char map[0x14];
+  /* 0018 */ int x;
+  /* 001C */ int y;
+  /* 0020 */ int nameLength;
+};
+#pragma pack(pop)
+
+// OFFSET: 0x00B974D0
+bool CNavigationManager::LoadStates(std::vector<char> packet) {
+  if (packet.begin() == packet.end()) {
+    return false;
+  }
+
+  const int count = *reinterpret_cast<const int*>(packet.data());
+  this->states.clear();
+
+  std::size_t offset = sizeof(int);
+  for (int i = 0; i < count; ++i) {
+    NavigationTarget target;
+    NavigationStateRecord record;
+    std::memcpy(&record, packet.data() + offset, sizeof(record));
+    target.type = record.type;
+    target.x = record.x;
+    target.y = record.y;
+    offset += sizeof(record);
+
+    if (record.nameLength > 0) {
+      target.name.resize(record.nameLength, '\0');
+      std::memcpy(&target.name[0], packet.data() + offset, record.nameLength);
+      offset += record.nameLength;
+    }
+
+    CNaviInfo* info = this->FindObject(record.map);
+    if (info != nullptr) {
+      target.object = info;
+      this->states.push_back(target);
+    }
+  }
+
+  return true;
+}