Fix gravestone puzzle alignment when viewed from memos (#1131)

Author: FrozenFish24

Patches/Common.cpp

@@ -101,6 +101,7 @@ float *RPTClosetCutsceneBlurredBarsDespawnAddr = nullptr;
 BYTE *InputAssignmentFlagAddr = nullptr;
 BYTE *PauseMenuQuitIndexAddr = nullptr;
 int16_t *MemoCountIndexAddr = nullptr;
+BYTE *MemoUniqueIdAddr = nullptr;
 BYTE *QuitSubmenuFlagAddr = nullptr;
 BYTE *MousePointerVisibleFlagAddr = nullptr;
 int32_t *MemoListIndexAddr = nullptr;
@@ -2436,6 +2437,36 @@ BYTE* GetReadingMemoFlagPointer()
 	return ReadingMemoFlagAddr;
 }
 
+BYTE GetMemoUniqueId()
+{
+	BYTE* pMemoUniqueId = GetMemoUniqueIdPointer();
+
+	return (pMemoUniqueId) ? *pMemoUniqueId : 0;
+}
+
+BYTE* GetMemoUniqueIdPointer()
+{
+	if (MemoUniqueIdAddr)
+	{
+		return MemoUniqueIdAddr;
+	}
+
+	switch (GameVersion)
+	{
+	case SH2V_10:
+		MemoUniqueIdAddr = reinterpret_cast<BYTE*>(0x94D860);
+		break;
+	case SH2V_11:
+		MemoUniqueIdAddr = reinterpret_cast<BYTE*>(0x951460);
+		break;
+	case SH2V_DC:
+		MemoUniqueIdAddr = reinterpret_cast<BYTE*>(0x950460);
+		break;
+	}
+
+	return MemoUniqueIdAddr;
+}
+
 DWORD* GetDrawCursorPointer()
 {
 	if (DrawCursorAddr)

Patches/Patches.h

@@ -438,6 +438,7 @@ int16_t GetMemoCountIndex();
 int32_t GetMemoInventory();
 BYTE GetMousePointerVisibleFlag();
 BYTE GetReadingMemoFlag();
+BYTE GetMemoUniqueId();
 float GetGlobalFadeHoldValue();
 float GetPuzzleCursorHorizontalPos();
 float GetPuzzleCursorVerticalPos();
@@ -543,6 +544,7 @@ int16_t *GetMemoCountIndexPointer();
 int32_t *GetMemoInventoryPointer();
 BYTE *GetMousePointerVisibleFlagPointer();
 BYTE *GetReadingMemoFlagPointer();
+BYTE *GetMemoUniqueIdPointer();
 DWORD *GetDrawCursorPointer();
 DWORD *GetSetShowCursorPointer();
 BYTE* GetInputAssignmentFlagPointer();
@@ -640,7 +642,6 @@ void PatchFullscreenImages();
 void PatchFullscreenVideos();
 void PatchGameLoad();
 void PatchGameLoadFlashFix();
-void PatchGravestoneBoardsFix();
 void PatchHealthIndicatorOption();
 void PatchGreatKnifeBoatSpeed();
 void PatchHoldDamage();

Patches/PuzzleAlignmentFixes.cpp

@@ -8,8 +8,9 @@ static DrawUserInterfaceFunc DrawUserInterface = nullptr;
 
 void GravestoneBoardsFix(UIElement* uiElement)
 {
-    // Check we're in the grave room and examining the gravestone
-    if (GetRoomID() == R_MAN_GRAVE_ROOM && IsInFullScreenImageEvent())
+    // Check we're in the grave room and examining the gravestone or reading memo 54
+    if ((GetRoomID() == R_MAN_GRAVE_ROOM && IsInFullScreenImageEvent()) ||
+        (GetReadingMemoFlag() && GetEventIndex() == EVENT_MEMO_LIST && GetMemoUniqueId() == 54))
     {
         // Step 1: Adjust the texture coordinates for each board to more closely match eachother