From 07336347d040944e9c0b92ab11d8badbd7c5c567 Mon Sep 17 00:00:00 2001
From: krystalgamer <callofdutypsp@gmail.com>
Date: Fri, 13 Sep 2024 18:35:20 +0200
Subject: [PATCH] Pack_Unpack

---
 main.cpp |  2 ++
 pack.cpp | 47 ++++++++++++++++++++++++++++++++++++++++++++++-
 pack.h   | 16 +++++++++++++++-
 3 files changed, 63 insertions(+), 2 deletions(-)

diff --git a/main.cpp b/main.cpp
index f0e5890..48e505f 100644
--- a/main.cpp
+++ b/main.cpp
@@ -77,6 +77,7 @@
 #include "SpideyDX.h"
 #include "DXsound.h"
 #include "DXinit.h"
+#include "pack.h"
 
 extern int FAIL_VALIDATION;
 
@@ -391,6 +392,7 @@ i32 validate(void)
 	validate_SDataGlyph();
 	validate_POLY_FT4();
 	validate_POLY_GT4();
+	validate_SPack();
 
 	puts("[*] Validation done!");
 
diff --git a/pack.cpp b/pack.cpp
index d7b6546..73df977 100644
--- a/pack.cpp
+++ b/pack.cpp
@@ -1 +1,46 @@
-#include "pack.h"
\ No newline at end of file
+#include "pack.h"
+#include "mem.h"
+#include "validate.h"
+
+EXPORT SPack Pack_pFull;
+
+// @SMALLTODO
+void Pack_Init(void)
+{
+    printf("Pack_Init(void)");
+}
+
+// @SMALLTODO
+void Pack_Pack(i32,i32,i32,i32 *,i32 *,i32,i32,u32)
+{
+    printf("Pack_Pack(i32,i32,i32,i32 *,i32 *,i32,i32,u32)");
+}
+
+// @Ok
+// @Matching
+void Pack_Unpack(SPack* a1)
+{
+	SPack* pPrev = &Pack_pFull;
+	for (SPack *pCur = pPrev->pNext;
+			pCur;
+			pCur = pCur->pNext)
+	{
+		if (a1 == pCur)
+		{
+			pPrev->pNext = pCur->pNext;
+			Mem_Delete(a1);
+			return;
+		}
+
+		pPrev = pCur;
+	}
+	
+	print_if_false(0, "Couldn't find pack structure.");
+	Mem_Delete(a1);
+}
+
+void validate_SPack(void)
+{
+	VALIDATE_SIZE(SPack, 0xC);
+	VALIDATE(SPack, pNext, 0x8);
+}
diff --git a/pack.h b/pack.h
index 46a0d15..53c6198 100644
--- a/pack.h
+++ b/pack.h
@@ -3,4 +3,18 @@
 #ifndef PACK_H
 #define PACK_H
 
-#endif
\ No newline at end of file
+#include "export.h"
+
+struct SPack
+{
+	u8 padTop[8];
+	SPack* pNext;
+};
+
+EXPORT void Pack_Init(void);
+EXPORT void Pack_Pack(i32,i32,i32,i32 *,i32 *,i32,i32,u32);
+EXPORT void Pack_Unpack(SPack *);
+
+void validate_SPack(void);
+
+#endif