Folder restructuring from primedev (#624)v1.21.2-rc3v1.21.2

Copies of over the primedev folder structure for easier cherry-picking of further changes

Co-authored-by: F1F7Y <filip.bartos07@proton.me>

1 files changed, 1322 insertions, 0 deletions

diff --git a/primedev/shared/keyvalues.cpp b/primedev/shared/keyvalues.cpp
new file mode 100644
index 00000000..88753723
--- /dev/null
+++ b/primedev/shared/keyvalues.cpp
@@ -0,0 +1,1322 @@
+#include "keyvalues.h"
+#include <winnt.h>
+
+// implementation of the ConVar class
+// heavily based on https://github.com/Mauler125/r5sdk/blob/master/r5dev/vpc/keyvalues.cpp
+
+typedef int HKeySymbol;
+#define INVALID_KEY_SYMBOL (-1)
+
+#define MAKE_3_BYTES_FROM_1_AND_2(x1, x2) ((((uint16_t)x2) << 8) | (uint8_t)(x1))
+#define SPLIT_3_BYTES_INTO_1_AND_2(x1, x2, x3)                                                                                             \
+	do                                                                                                                                     \
+	{                                                                                                                                      \
+		x1 = (uint8_t)(x3);                                                                                                                \
+		x2 = (uint16_t)((x3) >> 8);                                                                                                        \
+	} while (0)
+
+struct CKeyValuesSystem
+{
+public:
+	struct __VTable
+	{
+		char pad0[8 * 3]; // 2 methods
+		HKeySymbol (*GetSymbolForString)(CKeyValuesSystem* self, const char* name, bool bCreate);
+		const char* (*GetStringForSymbol)(CKeyValuesSystem* self, HKeySymbol symbol);
+		char pad1[8 * 5];
+		HKeySymbol (*GetSymbolForStringCaseSensitive)(
+			CKeyValuesSystem* self, HKeySymbol& hCaseInsensitiveSymbol, const char* name, bool bCreate);
+	};
+
+	const __VTable* m_pVtable;
+};
+
+int (*V_UTF8ToUnicode)(const char* pUTF8, wchar_t* pwchDest, int cubDestSizeInBytes);
+int (*V_UnicodeToUTF8)(const wchar_t* pUnicode, char* pUTF8, int cubDestSizeInBytes);
+CKeyValuesSystem* (*KeyValuesSystem)();
+
+KeyValues::KeyValues() {} // default constructor for copying and such
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+// Input  : *pszSetName -
+//-----------------------------------------------------------------------------
+KeyValues::KeyValues(const char* pszSetName)
+{
+	Init();
+	SetName(pszSetName);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+// Input  : *pszSetName -
+//			*pszFirstKey -
+//			*pszFirstValue -
+//-----------------------------------------------------------------------------
+KeyValues::KeyValues(const char* pszSsetName, const char* pszFirstKey, const char* pszFirstValue)
+{
+	Init();
+	SetName(pszSsetName);
+	SetString(pszFirstKey, pszFirstValue);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+// Input  : *pszSetName -
+//			*pszFirstKey -
+//			*pwszFirstValue -
+//-----------------------------------------------------------------------------
+KeyValues::KeyValues(const char* pszSetName, const char* pszFirstKey, const wchar_t* pwszFirstValue)
+{
+	Init();
+	SetName(pszSetName);
+	SetWString(pszFirstKey, pwszFirstValue);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+// Input  : *pszSetName -
+//			*pszFirstKey -
+//			iFirstValue -
+//-----------------------------------------------------------------------------
+KeyValues::KeyValues(const char* pszSetName, const char* pszFirstKey, int iFirstValue)
+{
+	Init();
+	SetName(pszSetName);
+	SetInt(pszFirstKey, iFirstValue);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+// Input  : *pszSetName -
+//			*pszFirstKey -
+//			*pszFirstValue -
+//			*pszSecondKey -
+//			*pszSecondValue -
+//-----------------------------------------------------------------------------
+KeyValues::KeyValues(
+	const char* pszSetName, const char* pszFirstKey, const char* pszFirstValue, const char* pszSecondKey, const char* pszSecondValue)
+{
+	Init();
+	SetName(pszSetName);
+	SetString(pszFirstKey, pszFirstValue);
+	SetString(pszSecondKey, pszSecondValue);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+// Input  : *pszSetName -
+//			*pszFirstKey -
+//			iFirstValue -
+//			*pszSecondKey -
+//			iSecondValue -
+//-----------------------------------------------------------------------------
+KeyValues::KeyValues(const char* pszSetName, const char* pszFirstKey, int iFirstValue, const char* pszSecondKey, int iSecondValue)
+{
+	Init();
+	SetName(pszSetName);
+	SetInt(pszFirstKey, iFirstValue);
+	SetInt(pszSecondKey, iSecondValue);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor
+//-----------------------------------------------------------------------------
+KeyValues::~KeyValues(void)
+{
+	RemoveEverything();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Initialize member variables
+//-----------------------------------------------------------------------------
+void KeyValues::Init(void)
+{
+	m_iKeyName = 0;
+	m_iKeyNameCaseSensitive1 = 0;
+	m_iKeyNameCaseSensitive2 = 0;
+	m_iDataType = TYPE_NONE;
+
+	m_pSub = nullptr;
+	m_pPeer = nullptr;
+	m_pChain = nullptr;
+
+	m_sValue = nullptr;
+	m_wsValue = nullptr;
+	m_pValue = nullptr;
+
+	m_bHasEscapeSequences = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Clear out all subkeys, and the current value
+//-----------------------------------------------------------------------------
+void KeyValues::Clear(void)
+{
+	delete m_pSub;
+	m_pSub = nullptr;
+	m_iDataType = TYPE_NONE;
+}
+
+//-----------------------------------------------------------------------------
+// for backwards compat - we used to need this to force the free to run from the same DLL
+// as the alloc
+//-----------------------------------------------------------------------------
+void KeyValues::DeleteThis(void)
+{
+	delete this;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: remove everything
+//-----------------------------------------------------------------------------
+void KeyValues::RemoveEverything(void)
+{
+	KeyValues* dat;
+	KeyValues* datNext = nullptr;
+	for (dat = m_pSub; dat != nullptr; dat = datNext)
+	{
+		datNext = dat->m_pPeer;
+		dat->m_pPeer = nullptr;
+		delete dat;
+	}
+
+	for (dat = m_pPeer; dat && dat != this; dat = datNext)
+	{
+		datNext = dat->m_pPeer;
+		dat->m_pPeer = nullptr;
+		delete dat;
+	}
+
+	delete[] m_sValue;
+	m_sValue = nullptr;
+	delete[] m_wsValue;
+	m_wsValue = nullptr;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Find a keyValue, create it if it is not found.
+//			Set bCreate to true to create the key if it doesn't already exist
+//			(which ensures a valid pointer will be returned)
+// Input  : *pszKeyName -
+//			bCreate -
+// Output : *KeyValues
+//-----------------------------------------------------------------------------
+KeyValues* KeyValues::FindKey(const char* pszKeyName, bool bCreate)
+{
+	assert_msg(this, "Member function called on NULL KeyValues");
+
+	if (!pszKeyName || !*pszKeyName)
+		return this;
+
+	const char* pSubStr = strchr(pszKeyName, '/');
+	const char* pSearchStr = pszKeyName;
+	if (pSubStr && !*(pSubStr + 1))
+	{
+		// if key name is just '/', then use it as a key directly
+		pSearchStr = pSubStr;
+		pSubStr = nullptr;
+	}
+
+	HKeySymbol iSearchStr = KeyValuesSystem()->m_pVtable->GetSymbolForString(KeyValuesSystem(), pSearchStr, bCreate);
+	if (iSearchStr == INVALID_KEY_SYMBOL)
+	{
+		// not found, couldn't possibly be in key value list
+		return nullptr;
+	}
+
+	KeyValues* pLastKVs = nullptr;
+	KeyValues* pCurrentKVs;
+	// find the searchStr in the current peer list
+	for (pCurrentKVs = m_pSub; pCurrentKVs != nullptr; pCurrentKVs = pCurrentKVs->m_pPeer)
+	{
+		pLastKVs = pCurrentKVs; // record the last item looked at (for if we need to append to the end of the list)
+
+		// symbol compare
+		if (pLastKVs->m_iKeyName == (uint32_t)iSearchStr)
+			break;
+	}
+
+	if (!pCurrentKVs && m_pChain)
+		pCurrentKVs = m_pChain->FindKey(pSearchStr, false);
+
+	// make sure a key was found
+	if (!pCurrentKVs)
+	{
+		if (bCreate)
+		{
+			// we need to create a new key
+			pCurrentKVs = new KeyValues(pSearchStr);
+			//			Assert(dat != NULL);
+
+			// insert new key at end of list
+			if (pLastKVs)
+				pLastKVs->m_pPeer = pCurrentKVs;
+			else
+				m_pSub = pCurrentKVs;
+
+			pCurrentKVs->m_pPeer = nullptr;
+
+			// a key graduates to be a submsg as soon as it's m_pSub is set
+			// this should be the only place m_pSub is set
+			m_iDataType = TYPE_NONE;
+		}
+		else
+		{
+			return nullptr;
+		}
+	}
+
+	// if we've still got a subStr we need to keep looking deeper in the tree
+	if (pSubStr)
+	{
+		// recursively chain down through the paths in the string
+		return pCurrentKVs->FindKey(pSubStr + 1, bCreate);
+	}
+
+	return pCurrentKVs;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Locate last child.  Returns NULL if we have no children
+// Output : *KeyValues
+//-----------------------------------------------------------------------------
+KeyValues* KeyValues::FindLastSubKey(void) const
+{
+	// No children?
+	if (m_pSub == nullptr)
+		return nullptr;
+
+	// Scan for the last one
+	KeyValues* pLastChild = m_pSub;
+	while (pLastChild->m_pPeer)
+		pLastChild = pLastChild->m_pPeer;
+	return pLastChild;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Adds a subkey. Make sure the subkey isn't a child of some other keyvalues
+// Input  : *pSubKey -
+//-----------------------------------------------------------------------------
+void KeyValues::AddSubKey(KeyValues* pSubkey)
+{
+	// Make sure the subkey isn't a child of some other keyvalues
+	assert(pSubkey != nullptr);
+	assert(pSubkey->m_pPeer == nullptr);
+
+	// add into subkey list
+	if (m_pSub == nullptr)
+	{
+		m_pSub = pSubkey;
+	}
+	else
+	{
+		KeyValues* pTempDat = m_pSub;
+		while (pTempDat->GetNextKey() != nullptr)
+		{
+			pTempDat = pTempDat->GetNextKey();
+		}
+
+		pTempDat->SetNextKey(pSubkey);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Remove a subkey from the list
+// Input  : *pSubKey -
+//-----------------------------------------------------------------------------
+void KeyValues::RemoveSubKey(KeyValues* pSubKey)
+{
+	if (!pSubKey)
+		return;
+
+	// check the list pointer
+	if (m_pSub == pSubKey)
+	{
+		m_pSub = pSubKey->m_pPeer;
+	}
+	else
+	{
+		// look through the list
+		KeyValues* kv = m_pSub;
+		while (kv->m_pPeer)
+		{
+			if (kv->m_pPeer == pSubKey)
+			{
+				kv->m_pPeer = pSubKey->m_pPeer;
+				break;
+			}
+
+			kv = kv->m_pPeer;
+		}
+	}
+
+	pSubKey->m_pPeer = nullptr;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Insert a subkey at index
+// Input  : nIndex -
+//			*pSubKey -
+//-----------------------------------------------------------------------------
+void KeyValues::InsertSubKey(int nIndex, KeyValues* pSubKey)
+{
+	// Sub key must be valid and not part of another chain
+	assert(pSubKey && pSubKey->m_pPeer == nullptr);
+
+	if (nIndex == 0)
+	{
+		pSubKey->m_pPeer = m_pSub;
+		m_pSub = pSubKey;
+		return;
+	}
+	else
+	{
+		int nCurrentIndex = 0;
+		for (KeyValues* pIter = GetFirstSubKey(); pIter != nullptr; pIter = pIter->GetNextKey())
+		{
+			++nCurrentIndex;
+			if (nCurrentIndex == nIndex)
+			{
+				pSubKey->m_pPeer = pIter->m_pPeer;
+				pIter->m_pPeer = pSubKey;
+				return;
+			}
+		}
+		// Index is out of range if we get here
+		assert(0);
+		return;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Checks if key contains a subkey
+// Input  : *pSubKey -
+// Output : true if contains, false otherwise
+//-----------------------------------------------------------------------------
+bool KeyValues::ContainsSubKey(KeyValues* pSubKey)
+{
+	for (KeyValues* pIter = GetFirstSubKey(); pIter != nullptr; pIter = pIter->GetNextKey())
+	{
+		if (pSubKey == pIter)
+		{
+			return true;
+		}
+	}
+	return false;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Swaps existing subkey with another
+// Input  : *pExistingSubkey -
+//			*pNewSubKey -
+//-----------------------------------------------------------------------------
+void KeyValues::SwapSubKey(KeyValues* pExistingSubkey, KeyValues* pNewSubKey)
+{
+	assert(pExistingSubkey != nullptr && pNewSubKey != nullptr);
+
+	// Make sure the new sub key isn't a child of some other keyvalues
+	assert(pNewSubKey->m_pPeer == nullptr);
+
+	// Check the list pointer
+	if (m_pSub == pExistingSubkey)
+	{
+		pNewSubKey->m_pPeer = pExistingSubkey->m_pPeer;
+		pExistingSubkey->m_pPeer = nullptr;
+		m_pSub = pNewSubKey;
+	}
+	else
+	{
+		// Look through the list
+		KeyValues* kv = m_pSub;
+		while (kv->m_pPeer)
+		{
+			if (kv->m_pPeer == pExistingSubkey)
+			{
+				pNewSubKey->m_pPeer = pExistingSubkey->m_pPeer;
+				pExistingSubkey->m_pPeer = nullptr;
+				kv->m_pPeer = pNewSubKey;
+				break;
+			}
+
+			kv = kv->m_pPeer;
+		}
+		// Existing sub key should always be found, otherwise it's a bug in the calling code.
+		assert(kv->m_pPeer != nullptr);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Elides subkey
+// Input  : *pSubKey -
+//-----------------------------------------------------------------------------
+void KeyValues::ElideSubKey(KeyValues* pSubKey)
+{
+	// This pointer's "next" pointer needs to be fixed up when we elide the key
+	KeyValues** ppPointerToFix = &m_pSub;
+	for (KeyValues* pKeyIter = m_pSub; pKeyIter != nullptr; ppPointerToFix = &pKeyIter->m_pPeer, pKeyIter = pKeyIter->GetNextKey())
+	{
+		if (pKeyIter == pSubKey)
+		{
+			if (pSubKey->m_pSub == nullptr)
+			{
+				// No children, simply remove the key
+				*ppPointerToFix = pSubKey->m_pPeer;
+				delete pSubKey;
+			}
+			else
+			{
+				*ppPointerToFix = pSubKey->m_pSub;
+				// Attach the remainder of this chain to the last child of pSubKey
+				KeyValues* pChildIter = pSubKey->m_pSub;
+				while (pChildIter->m_pPeer != nullptr)
+				{
+					pChildIter = pChildIter->m_pPeer;
+				}
+				// Now points to the last child of pSubKey
+				pChildIter->m_pPeer = pSubKey->m_pPeer;
+				// Detach the node to be elided
+				pSubKey->m_pSub = nullptr;
+				pSubKey->m_pPeer = nullptr;
+				delete pSubKey;
+			}
+			return;
+		}
+	}
+	// Key not found; that's caller error.
+	assert(0);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Check if a keyName has no value assigned to it.
+// Input  : *pszKeyName -
+// Output : true on success, false otherwise
+//-----------------------------------------------------------------------------
+bool KeyValues::IsEmpty(const char* pszKeyName)
+{
+	KeyValues* pKey = FindKey(pszKeyName, false);
+	if (!pKey)
+		return true;
+
+	if (pKey->m_iDataType == TYPE_NONE && pKey->m_pSub == nullptr)
+		return true;
+
+	return false;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: gets the first true sub key
+// Output : *KeyValues
+//-----------------------------------------------------------------------------
+KeyValues* KeyValues::GetFirstTrueSubKey(void) const
+{
+	assert_msg(this, "Member function called on NULL KeyValues");
+	KeyValues* pRet = this ? m_pSub : nullptr;
+	while (pRet && pRet->m_iDataType != TYPE_NONE)
+		pRet = pRet->m_pPeer;
+
+	return pRet;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: gets the next true sub key
+// Output : *KeyValues
+//-----------------------------------------------------------------------------
+KeyValues* KeyValues::GetNextTrueSubKey(void) const
+{
+	assert_msg(this, "Member function called on NULL KeyValues");
+	KeyValues* pRet = this ? m_pPeer : nullptr;
+	while (pRet && pRet->m_iDataType != TYPE_NONE)
+		pRet = pRet->m_pPeer;
+
+	return pRet;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: gets the first value
+// Output : *KeyValues
+//-----------------------------------------------------------------------------
+KeyValues* KeyValues::GetFirstValue(void) const
+{
+	assert_msg(this, "Member function called on NULL KeyValues");
+	KeyValues* pRet = this ? m_pSub : nullptr;
+	while (pRet && pRet->m_iDataType == TYPE_NONE)
+		pRet = pRet->m_pPeer;
+
+	return pRet;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: gets the next value
+// Output : *KeyValues
+//-----------------------------------------------------------------------------
+KeyValues* KeyValues::GetNextValue(void) const
+{
+	assert_msg(this, "Member function called on NULL KeyValues");
+	KeyValues* pRet = this ? m_pPeer : nullptr;
+	while (pRet && pRet->m_iDataType == TYPE_NONE)
+		pRet = pRet->m_pPeer;
+
+	return pRet;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Return the first subkey in the list
+//-----------------------------------------------------------------------------
+KeyValues* KeyValues::GetFirstSubKey() const
+{
+	assert_msg(this, "Member function called on NULL KeyValues");
+	return this ? m_pSub : nullptr;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Return the next subkey
+//-----------------------------------------------------------------------------
+KeyValues* KeyValues::GetNextKey() const
+{
+	assert_msg(this, "Member function called on NULL KeyValues");
+	return this ? m_pPeer : nullptr;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get the name of the current key section
+// Output : const char*
+//-----------------------------------------------------------------------------
+const char* KeyValues::GetName(void) const
+{
+	return KeyValuesSystem()->m_pVtable->GetStringForSymbol(
+		KeyValuesSystem(), MAKE_3_BYTES_FROM_1_AND_2(m_iKeyNameCaseSensitive1, m_iKeyNameCaseSensitive2));
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get the integer value of a keyName. Default value is returned
+//			if the keyName can't be found.
+// Input  : *pszKeyName -
+//			nDefaultValue -
+// Output : int
+//-----------------------------------------------------------------------------
+int KeyValues::GetInt(const char* pszKeyName, int iDefaultValue)
+{
+	KeyValues* pKey = FindKey(pszKeyName, false);
+	if (pKey)
+	{
+		switch (pKey->m_iDataType)
+		{
+		case TYPE_STRING:
+			return atoi(pKey->m_sValue);
+		case TYPE_WSTRING:
+			return _wtoi(pKey->m_wsValue);
+		case TYPE_FLOAT:
+			return static_cast<int>(pKey->m_flValue);
+		case TYPE_UINT64:
+			// can't convert, since it would lose data
+			assert(0);
+			return 0;
+		case TYPE_INT:
+		case TYPE_PTR:
+		default:
+			return pKey->m_iValue;
+		};
+	}
+	return iDefaultValue;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get the integer value of a keyName. Default value is returned
+//			if the keyName can't be found.
+// Input  : *pszKeyName -
+//			nDefaultValue -
+// Output : uint64_t
+//-----------------------------------------------------------------------------
+uint64_t KeyValues::GetUint64(const char* pszKeyName, uint64_t nDefaultValue)
+{
+	KeyValues* pKey = FindKey(pszKeyName, false);
+	if (pKey)
+	{
+		switch (pKey->m_iDataType)
+		{
+		case TYPE_STRING:
+		{
+			uint64_t uiResult = 0ull;
+			sscanf(pKey->m_sValue, "%lld", &uiResult);
+			return uiResult;
+		}
+		case TYPE_WSTRING:
+		{
+			uint64_t uiResult = 0ull;
+			swscanf(pKey->m_wsValue, L"%lld", &uiResult);
+			return uiResult;
+		}
+		case TYPE_FLOAT:
+			return static_cast<int>(pKey->m_flValue);
+		case TYPE_UINT64:
+			return *reinterpret_cast<uint64_t*>(pKey->m_sValue);
+		case TYPE_PTR:
+			return static_cast<uint64_t>(reinterpret_cast<uintptr_t>(pKey->m_pValue));
+		case TYPE_INT:
+		default:
+			return pKey->m_iValue;
+		};
+	}
+	return nDefaultValue;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get the pointer value of a keyName. Default value is returned
+//			if the keyName can't be found.
+// Input  : *pszKeyName -
+//			pDefaultValue -
+// Output : void*
+//-----------------------------------------------------------------------------
+void* KeyValues::GetPtr(const char* pszKeyName, void* pDefaultValue)
+{
+	KeyValues* pKey = FindKey(pszKeyName, false);
+	if (pKey)
+	{
+		switch (pKey->m_iDataType)
+		{
+		case TYPE_PTR:
+			return pKey->m_pValue;
+
+		case TYPE_WSTRING:
+		case TYPE_STRING:
+		case TYPE_FLOAT:
+		case TYPE_INT:
+		case TYPE_UINT64:
+		default:
+			return nullptr;
+		};
+	}
+	return pDefaultValue;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get the float value of a keyName. Default value is returned
+//			if the keyName can't be found.
+// Input  : *pszKeyName -
+//			flDefaultValue -
+// Output : float
+//-----------------------------------------------------------------------------
+float KeyValues::GetFloat(const char* pszKeyName, float flDefaultValue)
+{
+	KeyValues* pKey = FindKey(pszKeyName, false);
+	if (pKey)
+	{
+		switch (pKey->m_iDataType)
+		{
+		case TYPE_STRING:
+			return static_cast<float>(atof(pKey->m_sValue));
+		case TYPE_WSTRING:
+			return static_cast<float>(_wtof(pKey->m_wsValue)); // no wtof
+		case TYPE_FLOAT:
+			return pKey->m_flValue;
+		case TYPE_INT:
+			return static_cast<float>(pKey->m_iValue);
+		case TYPE_UINT64:
+			return static_cast<float>((*(reinterpret_cast<uint64_t*>(pKey->m_sValue))));
+		case TYPE_PTR:
+		default:
+			return 0.0f;
+		};
+	}
+	return flDefaultValue;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get the string pointer of a keyName. Default value is returned
+//			if the keyName can't be found.
+// // Input  : *pszKeyName -
+//			pszDefaultValue -
+// Output : const char*
+//-----------------------------------------------------------------------------
+const char* KeyValues::GetString(const char* pszKeyName, const char* pszDefaultValue)
+{
+	KeyValues* pKey = FindKey(pszKeyName, false);
+	if (pKey)
+	{
+		// convert the data to string form then return it
+		char buf[64];
+		switch (pKey->m_iDataType)
+		{
+		case TYPE_FLOAT:
+			snprintf(buf, sizeof(buf), "%f", pKey->m_flValue);
+			SetString(pszKeyName, buf);
+			break;
+		case TYPE_PTR:
+			snprintf(buf, sizeof(buf), "%lld", reinterpret_cast<uint64_t>(pKey->m_pValue));
+			SetString(pszKeyName, buf);
+			break;
+		case TYPE_INT:
+			snprintf(buf, sizeof(buf), "%d", pKey->m_iValue);
+			SetString(pszKeyName, buf);
+			break;
+		case TYPE_UINT64:
+			snprintf(buf, sizeof(buf), "%lld", *(reinterpret_cast<uint64_t*>(pKey->m_sValue)));
+			SetString(pszKeyName, buf);
+			break;
+		case TYPE_COLOR:
+			snprintf(buf, sizeof(buf), "%d %d %d %d", pKey->m_Color[0], pKey->m_Color[1], pKey->m_Color[2], pKey->m_Color[3]);
+			SetString(pszKeyName, buf);
+			break;
+
+		case TYPE_WSTRING:
+		{
+			// convert the string to char *, set it for future use, and return it
+			char wideBuf[512];
+			int result = V_UnicodeToUTF8(pKey->m_wsValue, wideBuf, 512);
+			if (result)
+			{
+				// note: this will copy wideBuf
+				SetString(pszKeyName, wideBuf);
+			}
+			else
+			{
+				return pszDefaultValue;
+			}
+			break;
+		}
+		case TYPE_STRING:
+			break;
+		default:
+			return pszDefaultValue;
+		};
+
+		return pKey->m_sValue;
+	}
+	return pszDefaultValue;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get the wide string pointer of a keyName. Default value is returned
+//			if the keyName can't be found.
+// // Input  : *pszKeyName -
+//			pwszDefaultValue -
+// Output : const wchar_t*
+//-----------------------------------------------------------------------------
+const wchar_t* KeyValues::GetWString(const char* pszKeyName, const wchar_t* pwszDefaultValue)
+{
+	KeyValues* pKey = FindKey(pszKeyName, false);
+	if (pKey)
+	{
+		wchar_t wbuf[64];
+		switch (pKey->m_iDataType)
+		{
+		case TYPE_FLOAT:
+			swprintf(wbuf, ARRAYSIZE(wbuf), L"%f", pKey->m_flValue);
+			SetWString(pszKeyName, wbuf);
+			break;
+		case TYPE_PTR:
+			swprintf(wbuf, ARRAYSIZE(wbuf), L"%lld", static_cast<int64_t>(reinterpret_cast<size_t>(pKey->m_pValue)));
+			SetWString(pszKeyName, wbuf);
+			break;
+		case TYPE_INT:
+			swprintf(wbuf, ARRAYSIZE(wbuf), L"%d", pKey->m_iValue);
+			SetWString(pszKeyName, wbuf);
+			break;
+		case TYPE_UINT64:
+		{
+			swprintf(wbuf, ARRAYSIZE(wbuf), L"%lld", *(reinterpret_cast<uint64_t*>(pKey->m_sValue)));
+			SetWString(pszKeyName, wbuf);
+		}
+		break;
+		case TYPE_COLOR:
+			swprintf(wbuf, ARRAYSIZE(wbuf), L"%d %d %d %d", pKey->m_Color[0], pKey->m_Color[1], pKey->m_Color[2], pKey->m_Color[3]);
+			SetWString(pszKeyName, wbuf);
+			break;
+
+		case TYPE_WSTRING:
+			break;
+		case TYPE_STRING:
+		{
+			size_t bufSize = strlen(pKey->m_sValue) + 1;
+			wchar_t* pWBuf = new wchar_t[bufSize];
+			int result = V_UTF8ToUnicode(pKey->m_sValue, pWBuf, static_cast<int>(bufSize * sizeof(wchar_t)));
+			if (result >= 0) // may be a zero length string
+			{
+				SetWString(pszKeyName, pWBuf);
+				delete[] pWBuf;
+			}
+			else
+			{
+				delete[] pWBuf;
+				return pwszDefaultValue;
+			}
+
+			break;
+		}
+		default:
+			return pwszDefaultValue;
+		};
+
+		return reinterpret_cast<const wchar_t*>(pKey->m_wsValue);
+	}
+	return pwszDefaultValue;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Gets a color
+// Input  : *pszKeyName -
+//			&defaultColor -
+// Output : Color
+//-----------------------------------------------------------------------------
+Color KeyValues::GetColor(const char* pszKeyName, const Color& defaultColor)
+{
+	Color color = defaultColor;
+	KeyValues* pKey = FindKey(pszKeyName, false);
+	if (pKey)
+	{
+		if (pKey->m_iDataType == TYPE_COLOR)
+		{
+			color[0] = pKey->m_Color[0];
+			color[1] = pKey->m_Color[1];
+			color[2] = pKey->m_Color[2];
+			color[3] = pKey->m_Color[3];
+		}
+		else if (pKey->m_iDataType == TYPE_FLOAT)
+		{
+			color[0] = static_cast<unsigned char>(pKey->m_flValue);
+		}
+		else if (pKey->m_iDataType == TYPE_INT)
+		{
+			color[0] = static_cast<unsigned char>(pKey->m_iValue);
+		}
+		else if (pKey->m_iDataType == TYPE_STRING)
+		{
+			// parse the colors out of the string
+			float a = 0, b = 0, c = 0, d = 0;
+			sscanf(pKey->m_sValue, "%f %f %f %f", &a, &b, &c, &d);
+			color[0] = static_cast<unsigned char>(a);
+			color[1] = static_cast<unsigned char>(b);
+			color[2] = static_cast<unsigned char>(c);
+			color[3] = static_cast<unsigned char>(d);
+		}
+	}
+	return color;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get the data type of the value stored in a keyName
+// Input  : *pszKeyName -
+//-----------------------------------------------------------------------------
+KeyValuesTypes_t KeyValues::GetDataType(const char* pszKeyName)
+{
+	KeyValues* pKey = FindKey(pszKeyName, false);
+	if (pKey)
+		return static_cast<KeyValuesTypes_t>(pKey->m_iDataType);
+
+	return TYPE_NONE;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get the data type of the value stored in this keyName
+//-----------------------------------------------------------------------------
+KeyValuesTypes_t KeyValues::GetDataType(void) const
+{
+	return static_cast<KeyValuesTypes_t>(m_iDataType);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Set the integer value of a keyName.
+// Input  : *pszKeyName -
+//			iValue -
+//-----------------------------------------------------------------------------
+void KeyValues::SetInt(const char* pszKeyName, int iValue)
+{
+	KeyValues* pKey = FindKey(pszKeyName, true);
+	if (pKey)
+	{
+		pKey->m_iValue = iValue;
+		pKey->m_iDataType = TYPE_INT;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Set the integer value of a keyName.
+//-----------------------------------------------------------------------------
+void KeyValues::SetUint64(const char* pszKeyName, uint64_t nValue)
+{
+	KeyValues* pKey = FindKey(pszKeyName, true);
+
+	if (pKey)
+	{
+		// delete the old value
+		delete[] pKey->m_sValue;
+		// make sure we're not storing the WSTRING  - as we're converting over to STRING
+		delete[] pKey->m_wsValue;
+		pKey->m_wsValue = nullptr;
+
+		pKey->m_sValue = new char[sizeof(uint64_t)];
+		*(reinterpret_cast<uint64_t*>(pKey->m_sValue)) = nValue;
+		pKey->m_iDataType = TYPE_UINT64;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Set the float value of a keyName.
+// Input  : *pszKeyName -
+//			flValue -
+//-----------------------------------------------------------------------------
+void KeyValues::SetFloat(const char* pszKeyName, float flValue)
+{
+	KeyValues* pKey = FindKey(pszKeyName, true);
+	if (pKey)
+	{
+		pKey->m_flValue = flValue;
+		pKey->m_iDataType = TYPE_FLOAT;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Set the name value of a keyName.
+// Input  : *pszSetName -
+//-----------------------------------------------------------------------------
+void KeyValues::SetName(const char* pszSetName)
+{
+	HKeySymbol hCaseSensitiveKeyName = INVALID_KEY_SYMBOL, hCaseInsensitiveKeyName = INVALID_KEY_SYMBOL;
+	hCaseSensitiveKeyName =
+		KeyValuesSystem()->m_pVtable->GetSymbolForStringCaseSensitive(KeyValuesSystem(), hCaseInsensitiveKeyName, pszSetName, false);
+
+	m_iKeyName = hCaseInsensitiveKeyName;
+	SPLIT_3_BYTES_INTO_1_AND_2(m_iKeyNameCaseSensitive1, m_iKeyNameCaseSensitive2, hCaseSensitiveKeyName);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Set the pointer value of a keyName.
+// Input  : *pszKeyName -
+//			*pValue -
+//-----------------------------------------------------------------------------
+void KeyValues::SetPtr(const char* pszKeyName, void* pValue)
+{
+	KeyValues* pKey = FindKey(pszKeyName, true);
+
+	if (pKey)
+	{
+		pKey->m_pValue = pValue;
+		pKey->m_iDataType = TYPE_PTR;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Set the string value (internal)
+// Input  : *pszValue -
+//-----------------------------------------------------------------------------
+void KeyValues::SetStringValue(char const* pszValue)
+{
+	// delete the old value
+	delete[] m_sValue;
+	// make sure we're not storing the WSTRING  - as we're converting over to STRING
+	delete[] m_wsValue;
+	m_wsValue = nullptr;
+
+	if (!pszValue)
+	{
+		// ensure a valid value
+		pszValue = "";
+	}
+
+	// allocate memory for the new value and copy it in
+	size_t len = strlen(pszValue);
+	m_sValue = new char[len + 1];
+	memcpy(m_sValue, pszValue, len + 1);
+
+	m_iDataType = TYPE_STRING;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Sets this key's peer to the KeyValues passed in
+// Input  : *pDat -
+//-----------------------------------------------------------------------------
+void KeyValues::SetNextKey(KeyValues* pDat)
+{
+	m_pPeer = pDat;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Set the string value of a keyName.
+// Input  : *pszKeyName -
+//			*pszValue -
+//-----------------------------------------------------------------------------
+void KeyValues::SetString(const char* pszKeyName, const char* pszValue)
+{
+	if (KeyValues* pKey = FindKey(pszKeyName, true))
+	{
+		pKey->SetStringValue(pszValue);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Set the string value of a keyName.
+// Input  : *pszKeyName -
+//			*pwszValue -
+//-----------------------------------------------------------------------------
+void KeyValues::SetWString(const char* pszKeyName, const wchar_t* pwszValue)
+{
+	KeyValues* pKey = FindKey(pszKeyName, true);
+	if (pKey)
+	{
+		// delete the old value
+		delete[] pKey->m_wsValue;
+		// make sure we're not storing the STRING  - as we're converting over to WSTRING
+		delete[] pKey->m_sValue;
+		pKey->m_sValue = nullptr;
+
+		if (!pwszValue)
+		{
+			// ensure a valid value
+			pwszValue = L"";
+		}
+
+		// allocate memory for the new value and copy it in
+		size_t len = wcslen(pwszValue);
+		pKey->m_wsValue = new wchar_t[len + 1];
+		memcpy(pKey->m_wsValue, pwszValue, (len + 1) * sizeof(wchar_t));
+
+		pKey->m_iDataType = TYPE_WSTRING;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Sets a color
+// Input  : *pszKeyName -
+//			color -
+//-----------------------------------------------------------------------------
+void KeyValues::SetColor(const char* pszKeyName, Color color)
+{
+	KeyValues* pKey = FindKey(pszKeyName, true);
+
+	if (pKey)
+	{
+		pKey->m_iDataType = TYPE_COLOR;
+		pKey->m_Color[0] = color[0];
+		pKey->m_Color[1] = color[1];
+		pKey->m_Color[2] = color[2];
+		pKey->m_Color[3] = color[3];
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input  : &src -
+//-----------------------------------------------------------------------------
+void KeyValues::RecursiveCopyKeyValues(KeyValues& src)
+{
+	// garymcthack - need to check this code for possible buffer overruns.
+
+	m_iKeyName = src.m_iKeyName;
+	m_iKeyNameCaseSensitive1 = src.m_iKeyNameCaseSensitive1;
+	m_iKeyNameCaseSensitive2 = src.m_iKeyNameCaseSensitive2;
+
+	if (!src.m_pSub)
+	{
+		m_iDataType = src.m_iDataType;
+		char buf[256];
+		switch (src.m_iDataType)
+		{
+		case TYPE_NONE:
+			break;
+		case TYPE_STRING:
+			if (src.m_sValue)
+			{
+				size_t len = strlen(src.m_sValue) + 1;
+				m_sValue = new char[len];
+				strncpy(m_sValue, src.m_sValue, len);
+			}
+			break;
+		case TYPE_INT:
+		{
+			m_iValue = src.m_iValue;
+			snprintf(buf, sizeof(buf), "%d", m_iValue);
+			size_t len = strlen(buf) + 1;
+			m_sValue = new char[len];
+			strncpy(m_sValue, buf, len);
+		}
+		break;
+		case TYPE_FLOAT:
+		{
+			m_flValue = src.m_flValue;
+			snprintf(buf, sizeof(buf), "%f", m_flValue);
+			size_t len = strlen(buf) + 1;
+			m_sValue = new char[len];
+			strncpy(m_sValue, buf, len);
+		}
+		break;
+		case TYPE_PTR:
+		{
+			m_pValue = src.m_pValue;
+		}
+		break;
+		case TYPE_UINT64:
+		{
+			m_sValue = new char[sizeof(uint64_t)];
+			memcpy(m_sValue, src.m_sValue, sizeof(uint64_t));
+		}
+		break;
+		case TYPE_COLOR:
+		{
+			m_Color[0] = src.m_Color[0];
+			m_Color[1] = src.m_Color[1];
+			m_Color[2] = src.m_Color[2];
+			m_Color[3] = src.m_Color[3];
+		}
+		break;
+
+		default:
+		{
+			// do nothing . .what the heck is this?
+			assert(0);
+		}
+		break;
+		}
+	}
+
+	// Handle the immediate child
+	if (src.m_pSub)
+	{
+		m_pSub = new KeyValues;
+
+		m_pSub->Init();
+		m_pSub->SetName(nullptr);
+
+		m_pSub->RecursiveCopyKeyValues(*src.m_pSub);
+	}
+
+	// Handle the immediate peer
+	if (src.m_pPeer)
+	{
+		m_pPeer = new KeyValues;
+
+		m_pPeer->Init();
+		m_pPeer->SetName(nullptr);
+
+		m_pPeer->RecursiveCopyKeyValues(*src.m_pPeer);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Make a new copy of all subkeys, add them all to the passed-in keyvalues
+// Input  : *pParent -
+//-----------------------------------------------------------------------------
+void KeyValues::CopySubkeys(KeyValues* pParent) const
+{
+	// recursively copy subkeys
+	// Also maintain ordering....
+	KeyValues* pPrev = nullptr;
+	for (KeyValues* pSub = m_pSub; pSub != nullptr; pSub = pSub->m_pPeer)
+	{
+		// take a copy of the subkey
+		KeyValues* pKey = pSub->MakeCopy();
+
+		// add into subkey list
+		if (pPrev)
+		{
+			pPrev->m_pPeer = pKey;
+		}
+		else
+		{
+			pParent->m_pSub = pKey;
+		}
+		pKey->m_pPeer = nullptr;
+		pPrev = pKey;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Makes a copy of the whole key-value pair set
+// Output : KeyValues*
+//-----------------------------------------------------------------------------
+KeyValues* KeyValues::MakeCopy(void) const
+{
+	KeyValues* pNewKeyValue = new KeyValues;
+
+	pNewKeyValue->Init();
+	pNewKeyValue->SetName(GetName());
+
+	// copy data
+	pNewKeyValue->m_iDataType = m_iDataType;
+	switch (m_iDataType)
+	{
+	case TYPE_STRING:
+	{
+		if (m_sValue)
+		{
+			size_t len = strlen(m_sValue);
+			assert(!pNewKeyValue->m_sValue);
+			pNewKeyValue->m_sValue = new char[len + 1];
+			memcpy(pNewKeyValue->m_sValue, m_sValue, len + 1);
+		}
+	}
+	break;
+	case TYPE_WSTRING:
+	{
+		if (m_wsValue)
+		{
+			size_t len = wcslen(m_wsValue);
+			pNewKeyValue->m_wsValue = new wchar_t[len + 1];
+			memcpy(pNewKeyValue->m_wsValue, m_wsValue, len + 1 * sizeof(wchar_t));
+		}
+	}
+	break;
+
+	case TYPE_INT:
+		pNewKeyValue->m_iValue = m_iValue;
+		break;
+
+	case TYPE_FLOAT:
+		pNewKeyValue->m_flValue = m_flValue;
+		break;
+
+	case TYPE_PTR:
+		pNewKeyValue->m_pValue = m_pValue;
+		break;
+
+	case TYPE_COLOR:
+		pNewKeyValue->m_Color[0] = m_Color[0];
+		pNewKeyValue->m_Color[1] = m_Color[1];
+		pNewKeyValue->m_Color[2] = m_Color[2];
+		pNewKeyValue->m_Color[3] = m_Color[3];
+		break;
+
+	case TYPE_UINT64:
+		pNewKeyValue->m_sValue = new char[sizeof(uint64_t)];
+		memcpy(pNewKeyValue->m_sValue, m_sValue, sizeof(uint64_t));
+		break;
+	};
+
+	// recursively copy subkeys
+	CopySubkeys(pNewKeyValue);
+	return pNewKeyValue;
+}
+
+ON_DLL_LOAD("vstdlib.dll", KeyValues, (CModule module))
+{
+	V_UTF8ToUnicode = module.GetExport("V_UTF8ToUnicode").RCast<int (*)(const char*, wchar_t*, int)>();
+	V_UnicodeToUTF8 = module.GetExport("V_UnicodeToUTF8").RCast<int (*)(const wchar_t*, char*, int)>();
+	KeyValuesSystem = module.GetExport("KeyValuesSystem").RCast<CKeyValuesSystem* (*)()>();
+}
+
+AUTOHOOK_INIT()
+
+// clang-format off
+AUTOHOOK(KeyValues__LoadFromBuffer, engine.dll + 0x426C30,
+char, __fastcall, (KeyValues* self, const char* pResourceName, const char* pBuffer, void* pFileSystem, void* a5, void* a6, int a7))
+// clang-format on
+{
+	static void* pSavedFilesystemPtr = nullptr;
+
+	// this is just to allow playlists to get a valid pFileSystem ptr for kv building, other functions that call this particular overload of
+	// LoadFromBuffer seem to get called on network stuff exclusively not exactly sure what the address wanted here is, so just taking it
+	// from a function call that always happens before playlists is loaded
+
+	// note: would be better if we could serialize this to disk for playlists, as this method breaks saving playlists in demos
+	if (pFileSystem != nullptr)
+		pSavedFilesystemPtr = pFileSystem;
+	if (!pFileSystem && !strcmp(pResourceName, "playlists"))
+		pFileSystem = pSavedFilesystemPtr;
+
+	return KeyValues__LoadFromBuffer(self, pResourceName, pBuffer, pFileSystem, a5, a6, a7);
+}
+
+ON_DLL_LOAD("engine.dll", EngineKeyValues, (CModule module))
+{
+	AUTOHOOK_DISPATCH()
+}