Decompile 4 functions in Source/Contents/NavigationRoute.cpp, Source/Contents/NavigationManager.h, ...

Batch #1397 by Yommy: 0 byte-identical, 4 confirmed by peer review.

- fn_19376 NavigationManager::FindObject: logic confirmed by peer review
- fn_19434 NavigationObject::HasName: logic confirmed by peer review
- fn_19613 NavigationManager::LoadSettings: logic confirmed by peer review
- fn_19618 NavigationManager::FitToSquare: logic confirmed by peer review

Reviewed-by: ragnarok-clanker
Adds to the build: Source/Contents/NavigationRoute.cpp

Source/Contents/NavigationManager.h

@@ -3,8 +3,15 @@
 
 #include <cstddef>
 #include <string>
+#include <vector>
 
-class NavigationObject;
+class NavigationObject {
+public:
+  bool HasName(const char* name) const;
+
+  /* 0000 */ unsigned char unknown_0000[8];
+  /* 0008 */ std::string name;
+};
 
 struct NavigationTarget {
   /* 0000 */ int type;
@@ -20,14 +27,22 @@ public:
   NavigationTarget GetSavedTarget() const;
   int GetCurrentTargetType() const;
   int SaveCurrentTarget();
+  NavigationObject* FindObject(const char* name) const;
+  float FitToSquare(int* offsetX, int* offsetY, int width, int height, float size) const;
+  void LoadSettings();
 
-  /* 0000 */ unsigned char unknown_0000[0x10FC];
+  /* 0000 */ std::vector<NavigationObject*> objects;
+  /* 000C */ unsigned char unknown_000C[0x10F0];
   /* 10FC */ NavigationTarget currentTarget;
   /* 1124 */ NavigationTarget savedTarget;
+  /* 114C */ unsigned char unknown_114C[0x1F8];
+  /* 1344 */ int viewIcon;
 };
 
 #if defined(_WIN32) && !defined(_WIN64)
+static_assert(offsetof(NavigationObject, name) == 0x8);
 static_assert(offsetof(NavigationManager, savedTarget) == 0x1124);
+static_assert(offsetof(NavigationManager, viewIcon) == 0x1344);
 #endif
 
 #endif

Source/Contents/NavigationRoute.cpp

@@ -0,0 +1,57 @@
+#include "Contents/NavigationManager.h"
+
+#include "Client/Registry.h"
+#include "Utility/RegistryKey.h"
+
+#include <cstring>
+
+// OFFSET: 0x00B88800
+// FUNCTION: fn_19376
+NavigationObject* NavigationManager::FindObject(const char* name) const {
+  for (NavigationObject* object : this->objects) {
+    if (object->HasName(name)) {
+      return object;
+    }
+  }
+  return nullptr;
+}
+
+// OFFSET: 0x00B8D270
+// FUNCTION: fn_19434
+bool NavigationObject::HasName(const char* name) const {
+  return std::strcmp(this->name.c_str(), name) == 0;
+}
+
+// OFFSET: 0x00B996D0
+// FUNCTION: fn_19613
+void NavigationManager::LoadSettings() {
+  RegistryKey key;
+  std::string subKey(g_subKey);
+  subKey += "\Navigation";
+  if (key.Open(HKEY_LOCAL_MACHINE, subKey.c_str())) {
+    DWORD viewIcon = 0;
+    if (key.Query("ViewIcon", REG_DWORD, reinterpret_cast<BYTE*>(&viewIcon), sizeof(viewIcon))) {
+      this->viewIcon = viewIcon;
+    }
+  }
+}
+
+// OFFSET: 0x00B9C020
+// FUNCTION: fn_19618
+float NavigationManager::FitToSquare(int* offsetX, int* offsetY, int width, int height, float size) const {
+  float scale;
+  if (width > height) {
+    scale = size / width;
+    *offsetY = static_cast<int>((width - height) * 0.5f * scale);
+    *offsetX = 0;
+  } else if (width < height) {
+    scale = size / height;
+    *offsetX = static_cast<int>((height - width) * 0.5f * scale);
+    *offsetY = 0;
+  } else {
+    *offsetY = 0;
+    scale = size / width;
+    *offsetX = 0;
+  }
+  return scale;
+}

Source/Utility/RegistryKey.h

@@ -5,6 +5,14 @@
 
 class RegistryKey {
 public:
+  RegistryKey() : handle(nullptr) {}
+  ~RegistryKey() {
+    if (this->handle != nullptr) {
+      RegCloseKey(this->handle);
+    }
+    this->handle = nullptr;
+  }
+
   /* 0000 */ HKEY handle;
 
   bool Create(HKEY parent, const char* subKey);