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>

6 files changed, 1088 insertions, 0 deletions

diff --git a/primedev/core/convar/concommand.cpp b/primedev/core/convar/concommand.cpp
new file mode 100644
index 00000000..41f54c76
--- /dev/null
+++ b/primedev/core/convar/concommand.cpp
@@ -0,0 +1,157 @@
+#include "concommand.h"
+#include "shared/misccommands.h"
+#include "engine/r2engine.h"
+
+#include "plugins/pluginbackend.h"
+#include "plugins/plugin_abi.h"
+
+#include <iostream>
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns true if this is a command
+// Output : bool
+//-----------------------------------------------------------------------------
+bool ConCommand::IsCommand(void) const
+{
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns true if this is a command
+// Output : bool
+//-----------------------------------------------------------------------------
+bool ConCommandBase::IsCommand(void) const
+{
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Has this cvar been registered
+// Output : Returns true on success, false on failure.
+//-----------------------------------------------------------------------------
+bool ConCommandBase::IsRegistered(void) const
+{
+	return m_bRegistered;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Test each ConCommand query before execution.
+// Input  : *pCommandBase - nFlags
+// Output : False if execution is permitted, true if not.
+//-----------------------------------------------------------------------------
+bool ConCommandBase::IsFlagSet(int nFlags) const
+{
+	return m_nFlags & nFlags;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Checks if ConCommand has requested flags.
+// Input  : nFlags -
+// Output : True if ConCommand has nFlags.
+//-----------------------------------------------------------------------------
+bool ConCommandBase::HasFlags(int nFlags)
+{
+	return m_nFlags & nFlags;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Add's flags to ConCommand.
+// Input  : nFlags -
+//-----------------------------------------------------------------------------
+void ConCommandBase::AddFlags(int nFlags)
+{
+	m_nFlags |= nFlags;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Removes flags from ConCommand.
+// Input  : nFlags -
+//-----------------------------------------------------------------------------
+void ConCommandBase::RemoveFlags(int nFlags)
+{
+	m_nFlags &= ~nFlags;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns current flags.
+// Output : int
+//-----------------------------------------------------------------------------
+int ConCommandBase::GetFlags(void) const
+{
+	return m_nFlags;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Output : const ConCommandBase
+//-----------------------------------------------------------------------------
+ConCommandBase* ConCommandBase::GetNext(void) const
+{
+	return m_pNext;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns the ConCommandBase help text.
+// Output : const char*
+//-----------------------------------------------------------------------------
+const char* ConCommandBase::GetHelpText(void) const
+{
+	return m_pszHelpString;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Copies string using local new/delete operators
+// Input  : *szFrom -
+// Output : char
+//-----------------------------------------------------------------------------
+char* ConCommandBase::CopyString(const char* szFrom) const
+{
+	size_t nLen;
+	char* szTo;
+
+	nLen = strlen(szFrom);
+	if (nLen <= 0)
+	{
+		szTo = new char[1];
+		szTo[0] = 0;
+	}
+	else
+	{
+		szTo = new char[nLen + 1];
+		memmove(szTo, szFrom, nLen + 1);
+	}
+	return szTo;
+}
+
+typedef void (*ConCommandConstructorType)(
+	ConCommand* newCommand, const char* name, FnCommandCallback_t callback, const char* helpString, int flags, void* parent);
+ConCommandConstructorType ConCommandConstructor;
+
+void RegisterConCommand(const char* name, FnCommandCallback_t callback, const char* helpString, int flags)
+{
+	spdlog::info("Registering ConCommand {}", name);
+
+	// no need to free this ever really, it should exist as long as game does
+	ConCommand* newCommand = new ConCommand;
+	ConCommandConstructor(newCommand, name, callback, helpString, flags, nullptr);
+}
+
+void RegisterConCommand(
+	const char* name, FnCommandCallback_t callback, const char* helpString, int flags, FnCommandCompletionCallback completionCallback)
+{
+	spdlog::info("Registering ConCommand {}", name);
+
+	// no need to free this ever really, it should exist as long as game does
+	ConCommand* newCommand = new ConCommand;
+	ConCommandConstructor(newCommand, name, callback, helpString, flags, nullptr);
+	newCommand->m_pCompletionCallback = completionCallback;
+}
+
+ON_DLL_LOAD("engine.dll", ConCommand, (CModule module))
+{
+	ConCommandConstructor = module.Offset(0x415F60).RCast<ConCommandConstructorType>();
+	AddMiscConCommands();
+
+	g_pPluginCommunicationhandler->m_sEngineData.ConCommandConstructor =
+		reinterpret_cast<PluginConCommandConstructorType>(ConCommandConstructor);
+}
diff --git a/primedev/core/convar/concommand.h b/primedev/core/convar/concommand.h
new file mode 100644
index 00000000..71a82fec
--- /dev/null
+++ b/primedev/core/convar/concommand.h
@@ -0,0 +1,139 @@
+#pragma once
+
+// From Source SDK
+class ConCommandBase;
+class IConCommandBaseAccessor
+{
+public:
+	// Flags is a combination of FCVAR flags in cvar.h.
+	// hOut is filled in with a handle to the variable.
+	virtual bool RegisterConCommandBase(ConCommandBase* pVar) = 0;
+};
+
+class CCommand
+{
+public:
+	CCommand() = delete;
+
+	int64_t ArgC() const;
+	const char** ArgV() const;
+	const char* ArgS() const; // All args that occur after the 0th arg, in string form
+	const char* GetCommandString() const; // The entire command in string form, including the 0th arg
+	const char* operator[](int nIndex) const; // Gets at arguments
+	const char* Arg(int nIndex) const; // Gets at arguments
+
+	static int MaxCommandLength();
+
+private:
+	enum
+	{
+		COMMAND_MAX_ARGC = 64,
+		COMMAND_MAX_LENGTH = 512,
+	};
+
+	int64_t m_nArgc;
+	int64_t m_nArgv0Size;
+	char m_pArgSBuffer[COMMAND_MAX_LENGTH];
+	char m_pArgvBuffer[COMMAND_MAX_LENGTH];
+	const char* m_ppArgv[COMMAND_MAX_ARGC];
+};
+
+inline int CCommand::MaxCommandLength()
+{
+	return COMMAND_MAX_LENGTH - 1;
+}
+inline int64_t CCommand::ArgC() const
+{
+	return m_nArgc;
+}
+inline const char** CCommand::ArgV() const
+{
+	return m_nArgc ? (const char**)m_ppArgv : NULL;
+}
+inline const char* CCommand::ArgS() const
+{
+	return m_nArgv0Size ? &m_pArgSBuffer[m_nArgv0Size] : "";
+}
+inline const char* CCommand::GetCommandString() const
+{
+	return m_nArgc ? m_pArgSBuffer : "";
+}
+inline const char* CCommand::Arg(int nIndex) const
+{
+	// FIXME: Many command handlers appear to not be particularly careful
+	// about checking for valid argc range. For now, we're going to
+	// do the extra check and return an empty string if it's out of range
+	if (nIndex < 0 || nIndex >= m_nArgc)
+		return "";
+	return m_ppArgv[nIndex];
+}
+inline const char* CCommand::operator[](int nIndex) const
+{
+	return Arg(nIndex);
+}
+
+//-----------------------------------------------------------------------------
+// Called when a ConCommand needs to execute
+//-----------------------------------------------------------------------------
+typedef void (*FnCommandCallback_t)(const CCommand& command);
+
+#define COMMAND_COMPLETION_MAXITEMS 64
+#define COMMAND_COMPLETION_ITEM_LENGTH 128
+
+//-----------------------------------------------------------------------------
+// Returns 0 to COMMAND_COMPLETION_MAXITEMS worth of completion strings
+//-----------------------------------------------------------------------------
+typedef int (*FnCommandCompletionCallback)(const char* partial, char commands[COMMAND_COMPLETION_MAXITEMS][COMMAND_COMPLETION_ITEM_LENGTH]);
+
+// From r5reloaded
+class ConCommandBase
+{
+public:
+	bool HasFlags(int nFlags);
+	void AddFlags(int nFlags);
+	void RemoveFlags(int nFlags);
+
+	bool IsCommand(void) const;
+	bool IsRegistered(void) const;
+	bool IsFlagSet(int nFlags) const;
+	static bool IsFlagSet(ConCommandBase* pCommandBase, int nFlags); // For hooking to engine's implementation.
+
+	int GetFlags(void) const;
+	ConCommandBase* GetNext(void) const;
+	const char* GetHelpText(void) const;
+
+	char* CopyString(const char* szFrom) const;
+
+	void* m_pConCommandBaseVTable; // 0x0000
+	ConCommandBase* m_pNext; // 0x0008
+	bool m_bRegistered; // 0x0010
+	char pad_0011[7]; // 0x0011 <- 3 bytes padding + unk int32.
+	const char* m_pszName; // 0x0018
+	const char* m_pszHelpString; // 0x0020
+	int m_nFlags; // 0x0028
+	ConCommandBase* s_pConCommandBases; // 0x002C
+	IConCommandBaseAccessor* s_pAccessor; // 0x0034
+}; // Size: 0x0040
+
+// taken from ttf2sdk
+class ConCommand : public ConCommandBase
+{
+	friend class CCVar;
+
+public:
+	ConCommand(void) {}; // !TODO: Rebuild engine constructor in SDK instead.
+	ConCommand(const char* szName, const char* szHelpString, int nFlags, void* pCallback, void* pCommandCompletionCallback);
+	void Init(void);
+	bool IsCommand(void) const;
+
+	FnCommandCallback_t m_pCommandCallback {}; // 0x0040 <- starts from 0x40 since we inherit ConCommandBase.
+	FnCommandCompletionCallback m_pCompletionCallback {}; // 0x0048 <- defaults to sub_180417410 ('xor eax, eax').
+	int m_nCallbackFlags {}; // 0x0050
+	char pad_0054[4]; // 0x0054
+	int unk0; // 0x0058
+	int unk1; // 0x005C
+}; // Size: 0x0060
+
+void RegisterConCommand(const char* name, void (*callback)(const CCommand&), const char* helpString, int flags);
+void RegisterConCommand(
+	const char* name, void (*callback)(const CCommand&), const char* helpString, int flags, FnCommandCompletionCallback completionCallback);
diff --git a/primedev/core/convar/convar.cpp b/primedev/core/convar/convar.cpp
new file mode 100644
index 00000000..e77ae1fd
--- /dev/null
+++ b/primedev/core/convar/convar.cpp
@@ -0,0 +1,534 @@
+#include "bits.h"
+#include "cvar.h"
+#include "convar.h"
+#include "core/sourceinterface.h"
+
+#include "plugins/pluginbackend.h"
+#include "plugins/plugin_abi.h"
+
+#include <float.h>
+
+typedef void (*ConVarRegisterType)(
+	ConVar* pConVar,
+	const char* pszName,
+	const char* pszDefaultValue,
+	int nFlags,
+	const char* pszHelpString,
+	bool bMin,
+	float fMin,
+	bool bMax,
+	float fMax,
+	void* pCallback);
+ConVarRegisterType conVarRegister;
+
+typedef void (*ConVarMallocType)(void* pConVarMaloc, int a2, int a3);
+ConVarMallocType conVarMalloc;
+
+void* g_pConVar_Vtable = nullptr;
+void* g_pIConVar_Vtable = nullptr;
+
+//-----------------------------------------------------------------------------
+// Purpose: ConVar interface initialization
+//-----------------------------------------------------------------------------
+ON_DLL_LOAD("engine.dll", ConVar, (CModule module))
+{
+	conVarMalloc = module.Offset(0x415C20).RCast<ConVarMallocType>();
+	conVarRegister = module.Offset(0x417230).RCast<ConVarRegisterType>();
+
+	g_pConVar_Vtable = module.Offset(0x67FD28);
+	g_pIConVar_Vtable = module.Offset(0x67FDC8);
+
+	g_pCVarInterface = new SourceInterface<CCvar>("vstdlib.dll", "VEngineCvar007");
+	g_pCVar = *g_pCVarInterface;
+
+	g_pPluginCommunicationhandler->m_sEngineData.conVarMalloc = reinterpret_cast<PluginConVarMallocType>(conVarMalloc);
+	g_pPluginCommunicationhandler->m_sEngineData.conVarRegister = reinterpret_cast<PluginConVarRegisterType>(conVarRegister);
+	g_pPluginCommunicationhandler->m_sEngineData.ConVar_Vtable = reinterpret_cast<void*>(g_pConVar_Vtable);
+	g_pPluginCommunicationhandler->m_sEngineData.IConVar_Vtable = reinterpret_cast<void*>(g_pIConVar_Vtable);
+	g_pPluginCommunicationhandler->m_sEngineData.g_pCVar = reinterpret_cast<void*>(g_pCVar);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: constructor
+//-----------------------------------------------------------------------------
+ConVar::ConVar(const char* pszName, const char* pszDefaultValue, int nFlags, const char* pszHelpString)
+{
+	spdlog::info("Registering Convar {}", pszName);
+
+	this->m_ConCommandBase.m_pConCommandBaseVTable = g_pConVar_Vtable;
+	this->m_ConCommandBase.s_pConCommandBases = (ConCommandBase*)g_pIConVar_Vtable;
+
+	conVarMalloc(&this->m_pMalloc, 0, 0); // Allocate new memory for ConVar.
+	conVarRegister(this, pszName, pszDefaultValue, nFlags, pszHelpString, 0, 0, 0, 0, 0);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: constructor
+//-----------------------------------------------------------------------------
+ConVar::ConVar(
+	const char* pszName,
+	const char* pszDefaultValue,
+	int nFlags,
+	const char* pszHelpString,
+	bool bMin,
+	float fMin,
+	bool bMax,
+	float fMax,
+	FnChangeCallback_t pCallback)
+{
+	spdlog::info("Registering Convar {}", pszName);
+
+	this->m_ConCommandBase.m_pConCommandBaseVTable = g_pConVar_Vtable;
+	this->m_ConCommandBase.s_pConCommandBases = (ConCommandBase*)g_pIConVar_Vtable;
+
+	conVarMalloc(&this->m_pMalloc, 0, 0); // Allocate new memory for ConVar.
+	conVarRegister(this, pszName, pszDefaultValue, nFlags, pszHelpString, bMin, fMin, bMax, fMax, (void*)pCallback);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: destructor
+//-----------------------------------------------------------------------------
+ConVar::~ConVar(void)
+{
+	if (m_Value.m_pszString)
+		delete[] m_Value.m_pszString;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns the base ConVar name.
+// Output : const char*
+//-----------------------------------------------------------------------------
+const char* ConVar::GetBaseName(void) const
+{
+	return m_ConCommandBase.m_pszName;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns the ConVar help text.
+// Output : const char*
+//-----------------------------------------------------------------------------
+const char* ConVar::GetHelpText(void) const
+{
+	return m_ConCommandBase.m_pszHelpString;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Add's flags to ConVar.
+// Input  : nFlags -
+//-----------------------------------------------------------------------------
+void ConVar::AddFlags(int nFlags)
+{
+	m_ConCommandBase.m_nFlags |= nFlags;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Removes flags from ConVar.
+// Input  : nFlags -
+//-----------------------------------------------------------------------------
+void ConVar::RemoveFlags(int nFlags)
+{
+	m_ConCommandBase.m_nFlags &= ~nFlags;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Return ConVar value as a boolean.
+// Output : bool
+//-----------------------------------------------------------------------------
+bool ConVar::GetBool(void) const
+{
+	return !!GetInt();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Return ConVar value as a float.
+// Output : float
+//-----------------------------------------------------------------------------
+float ConVar::GetFloat(void) const
+{
+	return m_Value.m_fValue;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Return ConVar value as an integer.
+// Output : int
+//-----------------------------------------------------------------------------
+int ConVar::GetInt(void) const
+{
+	return m_Value.m_nValue;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Return ConVar value as a color.
+// Output : Color
+//-----------------------------------------------------------------------------
+Color ConVar::GetColor(void) const
+{
+	unsigned char* pColorElement = ((unsigned char*)&m_Value.m_nValue);
+	return Color(pColorElement[0], pColorElement[1], pColorElement[2], pColorElement[3]);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Return ConVar value as a string.
+// Output : const char *
+//-----------------------------------------------------------------------------
+const char* ConVar::GetString(void) const
+{
+	if (m_ConCommandBase.m_nFlags & FCVAR_NEVER_AS_STRING)
+	{
+		return "FCVAR_NEVER_AS_STRING";
+	}
+
+	char const* str = m_Value.m_pszString;
+	return str ? str : "";
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input  : flMinVal -
+// Output : true if there is a min set.
+//-----------------------------------------------------------------------------
+bool ConVar::GetMin(float& flMinVal) const
+{
+	flMinVal = m_fMinVal;
+	return m_bHasMin;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input  : flMaxVal -
+// Output : true if there is a max set.
+//-----------------------------------------------------------------------------
+bool ConVar::GetMax(float& flMaxVal) const
+{
+	flMaxVal = m_fMaxVal;
+	return m_bHasMax;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: returns the min value.
+// Output : float
+//-----------------------------------------------------------------------------
+float ConVar::GetMinValue(void) const
+{
+	return m_fMinVal;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: returns the max value.
+// Output : float
+//-----------------------------------------------------------------------------
+float ConVar::GetMaxValue(void) const
+{
+	return m_fMaxVal;
+	;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: checks if ConVar has min value.
+// Output : bool
+//-----------------------------------------------------------------------------
+bool ConVar::HasMin(void) const
+{
+	return m_bHasMin;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: checks if ConVar has max value.
+// Output : bool
+//-----------------------------------------------------------------------------
+bool ConVar::HasMax(void) const
+{
+	return m_bHasMax;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: sets the ConVar int value.
+// Input  : nValue -
+//-----------------------------------------------------------------------------
+void ConVar::SetValue(int nValue)
+{
+	if (nValue == m_Value.m_nValue)
+	{
+		return;
+	}
+
+	float flValue = (float)nValue;
+
+	// Check bounds.
+	if (ClampValue(flValue))
+	{
+		nValue = (int)(flValue);
+	}
+
+	// Redetermine value.
+	float flOldValue = m_Value.m_fValue;
+	m_Value.m_fValue = flValue;
+	m_Value.m_nValue = nValue;
+
+	if (!(m_ConCommandBase.m_nFlags & FCVAR_NEVER_AS_STRING))
+	{
+		char szTempValue[32];
+		snprintf(szTempValue, sizeof(szTempValue), "%d", m_Value.m_nValue);
+		ChangeStringValue(szTempValue, flOldValue);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: sets the ConVar float value.
+// Input  : flValue -
+//-----------------------------------------------------------------------------
+void ConVar::SetValue(float flValue)
+{
+	if (flValue == m_Value.m_fValue)
+	{
+		return;
+	}
+
+	// Check bounds.
+	ClampValue(flValue);
+
+	// Redetermine value.
+	float flOldValue = m_Value.m_fValue;
+	m_Value.m_fValue = flValue;
+	m_Value.m_nValue = (int)m_Value.m_fValue;
+
+	if (!(m_ConCommandBase.m_nFlags & FCVAR_NEVER_AS_STRING))
+	{
+		char szTempValue[32];
+		snprintf(szTempValue, sizeof(szTempValue), "%f", m_Value.m_fValue);
+		ChangeStringValue(szTempValue, flOldValue);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: sets the ConVar string value.
+// Input  : *szValue -
+//-----------------------------------------------------------------------------
+void ConVar::SetValue(const char* pszValue)
+{
+	if (strcmp(this->m_Value.m_pszString, pszValue) == 0)
+		return;
+
+	char szTempValue[32] {};
+	const char* pszNewValue {};
+
+	float flOldValue = m_Value.m_fValue;
+	pszNewValue = (char*)pszValue;
+	if (!pszNewValue)
+	{
+		pszNewValue = "";
+	}
+
+	if (!SetColorFromString(pszValue))
+	{
+		// Not a color, do the standard thing
+		float flNewValue = (float)atof(pszValue);
+		if (!std::isfinite(flNewValue))
+		{
+			spdlog::warn("Warning: ConVar '{}' = '{}' is infinite, clamping value.\n", GetBaseName(), pszValue);
+			flNewValue = FLT_MAX;
+		}
+
+		if (ClampValue(flNewValue))
+		{
+			snprintf(szTempValue, sizeof(szTempValue), "%f", flNewValue);
+			pszNewValue = szTempValue;
+		}
+
+		// Redetermine value
+		m_Value.m_fValue = flNewValue;
+		m_Value.m_nValue = (int)(m_Value.m_fValue);
+	}
+
+	if (!(m_ConCommandBase.m_nFlags & FCVAR_NEVER_AS_STRING))
+	{
+		ChangeStringValue(pszNewValue, flOldValue);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: sets the ConVar color value.
+// Input  : clValue -
+//-----------------------------------------------------------------------------
+void ConVar::SetValue(Color clValue)
+{
+	std::string svResult = "";
+
+	for (int i = 0; i < 4; i++)
+	{
+		if (!(clValue.GetValue(i) == 0 && svResult.size() == 0))
+		{
+			svResult += std::to_string(clValue.GetValue(i));
+			svResult.append(" ");
+		}
+	}
+
+	this->m_Value.m_pszString = svResult.c_str();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: changes the ConVar string value.
+// Input  : *pszTempVal - flOldValue
+//-----------------------------------------------------------------------------
+void ConVar::ChangeStringValue(const char* pszTempVal, float flOldValue)
+{
+	assert(!(m_ConCommandBase.m_nFlags & FCVAR_NEVER_AS_STRING));
+
+	char* pszOldValue = (char*)_malloca(m_Value.m_iStringLength);
+	if (pszOldValue != NULL)
+	{
+		memcpy(pszOldValue, m_Value.m_pszString, m_Value.m_iStringLength);
+	}
+
+	if (pszTempVal)
+	{
+		int len = strlen(pszTempVal) + 1;
+
+		if (len > m_Value.m_iStringLength)
+		{
+			if (m_Value.m_pszString)
+				delete[] m_Value.m_pszString;
+
+			m_Value.m_pszString = new char[len];
+			m_Value.m_iStringLength = len;
+		}
+
+		memcpy((char*)m_Value.m_pszString, pszTempVal, len);
+	}
+	else
+	{
+		m_Value.m_pszString = NULL;
+	}
+
+	pszOldValue = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: sets the ConVar color value from string.
+// Input  : *pszValue -
+//-----------------------------------------------------------------------------
+bool ConVar::SetColorFromString(const char* pszValue)
+{
+	bool bColor = false;
+
+	// Try pulling RGBA color values out of the string.
+	int nRGBA[4] {};
+	int nParamsRead = sscanf_s(pszValue, "%i %i %i %i", &(nRGBA[0]), &(nRGBA[1]), &(nRGBA[2]), &(nRGBA[3]));
+
+	if (nParamsRead >= 3)
+	{
+		// This is probably a color!
+		if (nParamsRead == 3)
+		{
+			// Assume they wanted full alpha.
+			nRGBA[3] = 255;
+		}
+
+		if (nRGBA[0] >= 0 && nRGBA[0] <= 255 && nRGBA[1] >= 0 && nRGBA[1] <= 255 && nRGBA[2] >= 0 && nRGBA[2] <= 255 && nRGBA[3] >= 0 &&
+			nRGBA[3] <= 255)
+		{
+			// printf("*** WOW! Found a color!! ***\n");
+
+			// This is definitely a color!
+			bColor = true;
+
+			// Stuff all the values into each byte of our int.
+			unsigned char* pColorElement = ((unsigned char*)&m_Value.m_nValue);
+			pColorElement[0] = nRGBA[0];
+			pColorElement[1] = nRGBA[1];
+			pColorElement[2] = nRGBA[2];
+			pColorElement[3] = nRGBA[3];
+
+			// Copy that value into our float.
+			m_Value.m_fValue = (float)(m_Value.m_nValue);
+		}
+	}
+
+	return bColor;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Checks if ConVar is registered.
+// Output : bool
+//-----------------------------------------------------------------------------
+bool ConVar::IsRegistered(void) const
+{
+	return m_ConCommandBase.m_bRegistered;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns true if this is a command
+// Output : bool
+//-----------------------------------------------------------------------------
+bool ConVar::IsCommand(void) const
+{
+	return false;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Test each ConVar query before setting the value.
+// Input  : nFlags
+// Output : False if change is permitted, true if not.
+//-----------------------------------------------------------------------------
+bool ConVar::IsFlagSet(int nFlags) const
+{
+	return m_ConCommandBase.m_nFlags & nFlags;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Check whether to clamp and then perform clamp.
+// Input  : flValue -
+// Output : Returns true if value changed.
+//-----------------------------------------------------------------------------
+bool ConVar::ClampValue(float& flValue)
+{
+	if (m_bHasMin && (flValue < m_fMinVal))
+	{
+		flValue = m_fMinVal;
+		return true;
+	}
+
+	if (m_bHasMax && (flValue > m_fMaxVal))
+	{
+		flValue = m_fMaxVal;
+		return true;
+	}
+
+	return false;
+}
+
+int ParseConVarFlagsString(std::string modName, std::string sFlags)
+{
+	int iFlags = 0;
+	std::stringstream stFlags(sFlags);
+	std::string sFlag;
+
+	while (std::getline(stFlags, sFlag, '|'))
+	{
+		// trim the flag
+		sFlag.erase(sFlag.find_last_not_of(" \t\n\f\v\r") + 1);
+		sFlag.erase(0, sFlag.find_first_not_of(" \t\n\f\v\r"));
+
+		// skip if empty
+		if (sFlag.empty())
+			continue;
+
+		// find the matching flag value
+		bool ok = false;
+		for (auto const& flagPair : g_PrintCommandFlags)
+		{
+			if (sFlag == flagPair.second)
+			{
+				iFlags |= flagPair.first;
+				ok = true;
+				break;
+			}
+		}
+		if (!ok)
+		{
+			spdlog::warn("Mod ConCommand {} has unknown flag {}", modName, sFlag);
+		}
+	}
+
+	return iFlags;
+}
diff --git a/primedev/core/convar/convar.h b/primedev/core/convar/convar.h
new file mode 100644
index 00000000..f0366b46
--- /dev/null
+++ b/primedev/core/convar/convar.h
@@ -0,0 +1,194 @@
+#pragma once
+#include "core/sourceinterface.h"
+#include "core/math/color.h"
+#include "cvar.h"
+#include "concommand.h"
+
+// taken directly from iconvar.h
+
+// The default, no flags at all
+#define FCVAR_NONE 0
+
+// Command to ConVars and ConCommands
+// ConVar Systems
+#define FCVAR_UNREGISTERED (1 << 0) // If this is set, don't add to linked list, etc.
+#define FCVAR_DEVELOPMENTONLY (1 << 1) // Hidden in released products. Flag is removed automatically if ALLOW_DEVELOPMENT_CVARS is defined.
+#define FCVAR_GAMEDLL (1 << 2) // defined by the game DLL
+#define FCVAR_CLIENTDLL (1 << 3) // defined by the client DLL
+#define FCVAR_HIDDEN (1 << 4) // Hidden. Doesn't appear in find or auto complete. Like DEVELOPMENTONLY, but can't be compiled out.
+
+// ConVar only
+#define FCVAR_PROTECTED                                                                                                                    \
+	(1 << 5) // It's a server cvar, but we don't send the data since it's a password, etc.  Sends 1 if it's not bland/zero, 0 otherwise as
+			 // value.
+#define FCVAR_SPONLY (1 << 6) // This cvar cannot be changed by clients connected to a multiplayer server.
+#define FCVAR_ARCHIVE (1 << 7) // set to cause it to be saved to vars.rc
+#define FCVAR_NOTIFY (1 << 8) // notifies players when changed
+#define FCVAR_USERINFO (1 << 9) // changes the client's info string
+
+#define FCVAR_PRINTABLEONLY (1 << 10) // This cvar's string cannot contain unprintable characters ( e.g., used for player name etc ).
+#define FCVAR_GAMEDLL_FOR_REMOTE_CLIENTS                                                                                                   \
+	(1 << 10) // When on concommands this allows remote clients to execute this cmd on the server.
+			  // We are changing the default behavior of concommands to disallow execution by remote clients without
+			  // this flag due to the number existing concommands that can lag or crash the server when clients abuse them.
+
+#define FCVAR_UNLOGGED (1 << 11) // If this is a FCVAR_SERVER, don't log changes to the log file / console if we are creating a log
+#define FCVAR_NEVER_AS_STRING (1 << 12) // never try to print that cvar
+
+// It's a ConVar that's shared between the client and the server.
+// At signon, the values of all such ConVars are sent from the server to the client (skipped for local client, of course )
+// If a change is requested it must come from the console (i.e., no remote client changes)
+// If a value is changed while a server is active, it's replicated to all connected clients
+#define FCVAR_REPLICATED (1 << 13) // server setting enforced on clients, TODO rename to FCAR_SERVER at some time
+#define FCVAR_CHEAT (1 << 14) // Only useable in singleplayer / debug / multiplayer & sv_cheats
+#define FCVAR_SS (1 << 15) // causes varnameN where N == 2 through max splitscreen slots for mod to be autogenerated
+#define FCVAR_DEMO (1 << 16) // record this cvar when starting a demo file
+#define FCVAR_DONTRECORD (1 << 17) // don't record these command in demofiles
+#define FCVAR_SS_ADDED (1 << 18) // This is one of the "added" FCVAR_SS variables for the splitscreen players
+#define FCVAR_RELEASE (1 << 19) // Cvars tagged with this are the only cvars avaliable to customers
+#define FCVAR_RELOAD_MATERIALS (1 << 20) // If this cvar changes, it forces a material reload
+#define FCVAR_RELOAD_TEXTURES (1 << 21) // If this cvar changes, if forces a texture reload
+
+#define FCVAR_NOT_CONNECTED (1 << 22) // cvar cannot be changed by a client that is connected to a server
+#define FCVAR_MATERIAL_SYSTEM_THREAD (1 << 23) // Indicates this cvar is read from the material system thread
+#define FCVAR_ARCHIVE_PLAYERPROFILE (1 << 24) // respawn-defined flag, same as FCVAR_ARCHIVE but writes to profile.cfg
+
+#define FCVAR_SERVER_CAN_EXECUTE                                                                                                           \
+	(1 << 28) // the server is allowed to execute this command on clients via
+			  // ClientCommand/NET_StringCmd/CBaseClientState::ProcessStringCmd.
+#define FCVAR_SERVER_CANNOT_QUERY                                                                                                          \
+	(1 << 29) // If this is set, then the server is not allowed to query this cvar's value (via IServerPluginHelpers::StartQueryCvarValue).
+
+// !!!NOTE!!! : this is likely incorrect, there are multiple concommands that the vanilla game registers with this flag that 100% should not
+// be remotely executable i.e. multiple commands that only exist on client (screenshot, joystick_initialize) we now use
+// FCVAR_GAMEDLL_FOR_REMOTE_CLIENTS in all places this flag was previously used
+#define FCVAR_CLIENTCMD_CAN_EXECUTE                                                                                                        \
+	(1 << 30) // IVEngineClient::ClientCmd is allowed to execute this command.
+			  // Note: IVEngineClient::ClientCmd_Unrestricted can run any client command.
+
+#define FCVAR_ACCESSIBLE_FROM_THREADS (1 << 25) // used as a debugging tool necessary to check material system thread convars
+
+// TODO: could be cool to repurpose these for northstar use somehow?
+// #define FCVAR_AVAILABLE			(1<<26)
+// #define FCVAR_AVAILABLE			(1<<27)
+// #define FCVAR_AVAILABLE			(1<<31)
+
+// flag => string stuff
+const std::multimap<int, const char*> g_PrintCommandFlags = {
+	{FCVAR_UNREGISTERED, "UNREGISTERED"},
+	{FCVAR_DEVELOPMENTONLY, "DEVELOPMENTONLY"},
+	{FCVAR_GAMEDLL, "GAMEDLL"},
+	{FCVAR_CLIENTDLL, "CLIENTDLL"},
+	{FCVAR_HIDDEN, "HIDDEN"},
+	{FCVAR_PROTECTED, "PROTECTED"},
+	{FCVAR_SPONLY, "SPONLY"},
+	{FCVAR_ARCHIVE, "ARCHIVE"},
+	{FCVAR_NOTIFY, "NOTIFY"},
+	{FCVAR_USERINFO, "USERINFO"},
+
+	// TODO: PRINTABLEONLY and GAMEDLL_FOR_REMOTE_CLIENTS are both 1<<10, one is for vars and one is for commands
+	// this fucking sucks i think
+	{FCVAR_PRINTABLEONLY, "PRINTABLEONLY"},
+	{FCVAR_GAMEDLL_FOR_REMOTE_CLIENTS, "GAMEDLL_FOR_REMOTE_CLIENTS"},
+
+	{FCVAR_UNLOGGED, "UNLOGGED"},
+	{FCVAR_NEVER_AS_STRING, "NEVER_AS_STRING"},
+	{FCVAR_REPLICATED, "REPLICATED"},
+	{FCVAR_CHEAT, "CHEAT"},
+	{FCVAR_SS, "SS"},
+	{FCVAR_DEMO, "DEMO"},
+	{FCVAR_DONTRECORD, "DONTRECORD"},
+	{FCVAR_SS_ADDED, "SS_ADDED"},
+	{FCVAR_RELEASE, "RELEASE"},
+	{FCVAR_RELOAD_MATERIALS, "RELOAD_MATERIALS"},
+	{FCVAR_RELOAD_TEXTURES, "RELOAD_TEXTURES"},
+	{FCVAR_NOT_CONNECTED, "NOT_CONNECTED"},
+	{FCVAR_MATERIAL_SYSTEM_THREAD, "MATERIAL_SYSTEM_THREAD"},
+	{FCVAR_ARCHIVE_PLAYERPROFILE, "ARCHIVE_PLAYERPROFILE"},
+	{FCVAR_SERVER_CAN_EXECUTE, "SERVER_CAN_EXECUTE"},
+	{FCVAR_SERVER_CANNOT_QUERY, "SERVER_CANNOT_QUERY"},
+	{FCVAR_CLIENTCMD_CAN_EXECUTE, "UNKNOWN"},
+	{FCVAR_ACCESSIBLE_FROM_THREADS, "ACCESSIBLE_FROM_THREADS"}};
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class ConCommandBase;
+class ConCommand;
+class ConVar;
+
+typedef void (*FnChangeCallback_t)(ConVar* var, const char* pOldValue, float flOldValue);
+
+//-----------------------------------------------------------------------------
+// Purpose: A console variable
+//-----------------------------------------------------------------------------
+class ConVar
+{
+public:
+	ConVar(void) {};
+	ConVar(const char* pszName, const char* pszDefaultValue, int nFlags, const char* pszHelpString);
+	ConVar(
+		const char* pszName,
+		const char* pszDefaultValue,
+		int nFlags,
+		const char* pszHelpString,
+		bool bMin,
+		float fMin,
+		bool bMax,
+		float fMax,
+		FnChangeCallback_t pCallback);
+	~ConVar(void);
+
+	const char* GetBaseName(void) const;
+	const char* GetHelpText(void) const;
+
+	void AddFlags(int nFlags);
+	void RemoveFlags(int nFlags);
+
+	bool GetBool(void) const;
+	float GetFloat(void) const;
+	int GetInt(void) const;
+	Color GetColor(void) const;
+	const char* GetString(void) const;
+
+	bool GetMin(float& flMinValue) const;
+	bool GetMax(float& flMaxValue) const;
+	float GetMinValue(void) const;
+	float GetMaxValue(void) const;
+
+	bool HasMin(void) const;
+	bool HasMax(void) const;
+
+	void SetValue(int nValue);
+	void SetValue(float flValue);
+	void SetValue(const char* pszValue);
+	void SetValue(Color clValue);
+
+	void ChangeStringValue(const char* pszTempValue, float flOldValue);
+	bool SetColorFromString(const char* pszValue);
+	bool ClampValue(float& value);
+
+	bool IsRegistered(void) const;
+	bool IsCommand(void) const;
+	bool IsFlagSet(int nFlags) const;
+
+	struct CVValue_t
+	{
+		const char* m_pszString;
+		int64_t m_iStringLength;
+		float m_fValue;
+		int m_nValue;
+	};
+
+	ConCommandBase m_ConCommandBase {}; // 0x0000
+	const char* m_pszDefaultValue {}; // 0x0040
+	CVValue_t m_Value {}; // 0x0048
+	bool m_bHasMin {}; // 0x005C
+	float m_fMinVal {}; // 0x0060
+	bool m_bHasMax {}; // 0x0064
+	float m_fMaxVal {}; // 0x0068
+	void* m_pMalloc {}; // 0x0070
+	char m_pPad80[10] {}; // 0x0080
+}; // Size: 0x0080
+
+int ParseConVarFlagsString(std::string modName, std::string flags);
diff --git a/primedev/core/convar/cvar.cpp b/primedev/core/convar/cvar.cpp
new file mode 100644
index 00000000..aa5f0365
--- /dev/null
+++ b/primedev/core/convar/cvar.cpp
@@ -0,0 +1,26 @@
+#include "cvar.h"
+#include "convar.h"
+#include "concommand.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: returns all ConVars
+//-----------------------------------------------------------------------------
+std::unordered_map<std::string, ConCommandBase*> CCvar::DumpToMap()
+{
+	std::stringstream ss;
+	CCVarIteratorInternal* itint = FactoryInternalIterator(); // Allocate new InternalIterator.
+
+	std::unordered_map<std::string, ConCommandBase*> allConVars;
+
+	for (itint->SetFirst(); itint->IsValid(); itint->Next()) // Loop through all instances.
+	{
+		ConCommandBase* pCommand = itint->Get();
+		const char* pszCommandName = pCommand->m_pszName;
+		allConVars[pszCommandName] = pCommand;
+	}
+
+	return allConVars;
+}
+
+SourceInterface<CCvar>* g_pCVarInterface;
+CCvar* g_pCVar;
diff --git a/primedev/core/convar/cvar.h b/primedev/core/convar/cvar.h
new file mode 100644
index 00000000..beaa84f4
--- /dev/null
+++ b/primedev/core/convar/cvar.h
@@ -0,0 +1,38 @@
+#pragma once
+#include "convar.h"
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class ConCommandBase;
+class ConCommand;
+class ConVar;
+
+//-----------------------------------------------------------------------------
+// Internals for ICVarIterator
+//-----------------------------------------------------------------------------
+class CCVarIteratorInternal // Fully reversed table, just look at the virtual function table and rename the function.
+{
+public:
+	virtual void SetFirst(void) = 0; // 0
+	virtual void Next(void) = 0; // 1
+	virtual bool IsValid(void) = 0; // 2
+	virtual ConCommandBase* Get(void) = 0; // 3
+};
+
+//-----------------------------------------------------------------------------
+// Default implementation
+//-----------------------------------------------------------------------------
+class CCvar
+{
+public:
+	M_VMETHOD(ConCommandBase*, FindCommandBase, 14, (const char* pszCommandName), (this, pszCommandName));
+	M_VMETHOD(ConVar*, FindVar, 16, (const char* pszVarName), (this, pszVarName));
+	M_VMETHOD(ConCommand*, FindCommand, 18, (const char* pszCommandName), (this, pszCommandName));
+	M_VMETHOD(CCVarIteratorInternal*, FactoryInternalIterator, 41, (), (this));
+
+	std::unordered_map<std::string, ConCommandBase*> DumpToMap();
+};
+
+extern SourceInterface<CCvar>* g_pCVarInterface;
+extern CCvar* g_pCVar;