From be5131b0d239cc4afc83cbe1bebc9a5d74876079 Mon Sep 17 00:00:00 2001
From: Aaron M <Boomslangnz@hotmail.com>
Date: Sat, 2 May 2020 12:19:38 +1200
Subject: [PATCH] Add Helper function for Reading/Writing memory if necessary

---
 OpenParrot/src/Utility/Helper.cpp | 70 +++++++++++++++++++++++++++++++
 OpenParrot/src/Utility/Helper.h   | 15 +++++++
 2 files changed, 85 insertions(+)
 create mode 100644 OpenParrot/src/Utility/Helper.cpp
 create mode 100644 OpenParrot/src/Utility/Helper.h

diff --git a/OpenParrot/src/Utility/Helper.cpp b/OpenParrot/src/Utility/Helper.cpp
new file mode 100644
index 0000000..a70d34e
--- /dev/null
+++ b/OpenParrot/src/Utility/Helper.cpp
@@ -0,0 +1,70 @@
+#include <Windows.h>
+#include "Helper.h"
+
+typedef unsigned char U8;
+
+// reading/writing memory
+LPVOID Helpers::GetTranslatedOffset(INT_PTR offset)
+{
+	return reinterpret_cast<LPVOID>((INT_PTR)GetModuleHandle(NULL) + offset);
+}
+
+UINT8 Helpers::ReadByte(INT_PTR offset, bool isRelativeOffset)
+{
+	UINT8 val = 0;
+	SIZE_T read;
+	LPVOID trueOffset = (isRelativeOffset ? GetTranslatedOffset(offset) : (LPVOID)offset);
+	ReadProcessMemory(GetCurrentProcess(), trueOffset, &val, sizeof(UINT8), &read);
+	return val;
+}
+
+float Helpers::WriteFloat32(INT_PTR offset, float val, bool isRelativeOffset)
+{
+	SIZE_T written;
+	LPVOID trueOffset = (isRelativeOffset ? GetTranslatedOffset(offset) : (LPVOID)offset);
+	WriteProcessMemory(GetCurrentProcess(), trueOffset, &val, sizeof(float), &written);
+	return val;
+};
+
+UINT8 Helpers::WriteByte(INT_PTR offset, UINT8 val, bool isRelativeOffset)
+{
+	SIZE_T written;
+	LPVOID trueOffset = (isRelativeOffset ? GetTranslatedOffset(offset) : (LPVOID)offset);
+	WriteProcessMemory(GetCurrentProcess(), trueOffset, &val, sizeof(UINT8), &written);
+	return val;
+}
+
+INT_PTR Helpers::WriteIntPtr(INT_PTR offset, INT_PTR val, bool isRelativeOffset)
+{
+	SIZE_T written;
+	LPVOID trueOffset = (isRelativeOffset ? GetTranslatedOffset(offset) : (LPVOID)offset);
+	WriteProcessMemory(GetCurrentProcess(), trueOffset, &val, sizeof(INT_PTR), &written);
+	return val;
+};
+
+int Helpers::ReadInt32(INT_PTR offset, bool isRelativeOffset)
+{
+	int val = 0;
+	SIZE_T read;
+	LPVOID trueOffset = (isRelativeOffset ? GetTranslatedOffset(offset) : (LPVOID)offset);
+	ReadProcessMemory(GetCurrentProcess(), trueOffset, &val, sizeof(int), &read);
+	return val;
+}
+
+INT_PTR Helpers::ReadIntPtr(INT_PTR offset, bool isRelativeOffset)
+{
+	SIZE_T read;
+	LPVOID trueOffset = (isRelativeOffset ? GetTranslatedOffset(offset) : (LPVOID)offset);
+	INT_PTR val;
+	ReadProcessMemory(GetCurrentProcess(), trueOffset, &val, sizeof(INT_PTR), &read);
+	return val;
+};
+
+float Helpers::ReadFloat32(INT_PTR offset, bool isRelativeOffset)
+{
+	float val = 0.0f;
+	SIZE_T read;
+	LPVOID trueOffset = (isRelativeOffset ? GetTranslatedOffset(offset) : (LPVOID)offset);
+	ReadProcessMemory(GetCurrentProcess(), trueOffset, &val, sizeof(float), &read);
+	return val;
+};
\ No newline at end of file
diff --git a/OpenParrot/src/Utility/Helper.h b/OpenParrot/src/Utility/Helper.h
new file mode 100644
index 0000000..3f99200
--- /dev/null
+++ b/OpenParrot/src/Utility/Helper.h
@@ -0,0 +1,15 @@
+#pragma once
+#include <Windows.h>
+
+class Helpers {
+public:
+	// reading/writing memory
+	LPVOID GetTranslatedOffset(INT_PTR offset);
+	int ReadInt32(INT_PTR offset, bool isRelativeOffset);
+	UINT8 ReadByte(INT_PTR offset, bool isRelativeOffset);
+	float WriteFloat32(INT_PTR offset, float val, bool isRelativeOffset);
+	UINT8 WriteByte(INT_PTR offset, UINT8 val, bool isRelativeOffset);
+	INT_PTR WriteIntPtr(INT_PTR offset, INT_PTR val, bool isRelativeOffset);
+	INT_PTR ReadIntPtr(INT_PTR offset, bool isRelativeOffset);
+	float ReadFloat32(INT_PTR offset, bool isRelativeOffset);
+};