CS2Cheat/examples/CS2-Internal-silenty/SourceEngine/UserCMD.h

#pragma once
#include "qAngles.h"
#include "Utils/Memory.h"
#include "Utils/Defines.h"
#include "Utils/cVector.h"

enum ECommandButtons : std::uint64_t
{
	IN_ATTACK = 1 << 0,
	IN_JUMP = 1 << 1,
	IN_DUCK = 1 << 2,
	IN_FORWARD = 1 << 3,
	IN_BACK = 1 << 4,
	IN_USE = 1 << 5,
	IN_LEFT = 1 << 7,
	IN_RIGHT = 1 << 8,
	IN_MOVELEFT = 1 << 9,
	IN_MOVERIGHT = 1 << 10,
	IN_SECOND_ATTACK = 1 << 11,
	IN_RELOAD = 1 << 13,
	IN_SPRINT = 1 << 16,
	IN_JOYAUTOSPRINT = 1 << 17,
	IN_SHOWSCORES = 1ULL << 33,
	IN_ZOOM = 1ULL << 34,
	IN_LOOKATWEAPON = 1ULL << 35
};

// compiled protobuf messages and looked at what bits are used in them
enum ESubtickMoveStepBits : std::uint32_t
{
	MOVESTEP_BITS_BUTTON = 0x1U,
	MOVESTEP_BITS_PRESSED = 0x2U,
	MOVESTEP_BITS_WHEN = 0x4U,
	MOVESTEP_BITS_ANALOG_FORWARD_DELTA = 0x8U,
	MOVESTEP_BITS_ANALOG_LEFT_DELTA = 0x10U
};

enum EInputHistoryBits : std::uint32_t
{
	INPUT_HISTORY_BITS_VIEWANGLES = 0x1U,
	INPUT_HISTORY_BITS_SHOOTPOSITION = 0x2U,
	INPUT_HISTORY_BITS_TARGETHEADPOSITIONCHECK = 0x4U,
	INPUT_HISTORY_BITS_TARGETABSPOSITIONCHECK = 0x8U,
	INPUT_HISTORY_BITS_TARGETANGCHECK = 0x10U,
	INPUT_HISTORY_BITS_CL_INTERP = 0x20U,
	INPUT_HISTORY_BITS_SV_INTERP0 = 0x40U,
	INPUT_HISTORY_BITS_SV_INTERP1 = 0x80U,
	INPUT_HISTORY_BITS_PLAYER_INTERP = 0x100U,
	INPUT_HISTORY_BITS_RENDERTICKCOUNT = 0x200U,
	INPUT_HISTORY_BITS_RENDERTICKFRACTION = 0x400U,
	INPUT_HISTORY_BITS_PLAYERTICKCOUNT = 0x800U,
	INPUT_HISTORY_BITS_PLAYERTICKFRACTION = 0x1000U,
	INPUT_HISTORY_BITS_FRAMENUMBER = 0x2000U,
	INPUT_HISTORY_BITS_TARGETENTINDEX = 0x4000U
};

enum EButtonStatePBBits : uint32_t
{
	BUTTON_STATE_PB_BITS_BUTTONSTATE1 = 0x1U,
	BUTTON_STATE_PB_BITS_BUTTONSTATE2 = 0x2U,
	BUTTON_STATE_PB_BITS_BUTTONSTATE3 = 0x4U
};

enum EBaseCmdBits : std::uint32_t
{
	BASE_BITS_MOVE_CRC = 0x1U,
	BASE_BITS_BUTTONPB = 0x2U,
	BASE_BITS_VIEWANGLES = 0x4U,
	BASE_BITS_COMMAND_NUMBER = 0x8U,
	BASE_BITS_CLIENT_TICK = 0x10U,
	BASE_BITS_FORWARDMOVE = 0x20U,
	BASE_BITS_LEFTMOVE = 0x40U,
	BASE_BITS_UPMOVE = 0x80U,
	BASE_BITS_IMPULSE = 0x100U,
	BASE_BITS_WEAPON_SELECT = 0x200U,
	BASE_BITS_RANDOM_SEED = 0x400U,
	BASE_BITS_MOUSEDX = 0x800U,
	BASE_BITS_MOUSEDY = 0x1000U,
	BASE_BITS_CONSUMED_SERVER_ANGLE = 0x2000U,
	BASE_BITS_CMD_FLAGS = 0x4000U,
	BASE_BITS_ENTITY_HANDLE = 0x8000U
};

enum ECSGOUserCmdBits : std::uint32_t
{
	CSGOUSERCMD_BITS_BASECMD = 0x1U,
	CSGOUSERCMD_BITS_LEFTHAND = 0x2U,
	CSGOUSERCMD_BITS_ATTACK3START = 0x4U,
	CSGOUSERCMD_BITS_ATTACK1START = 0x8U,
	CSGOUSERCMD_BITS_ATTACK2START = 0x10U
};


template <typename T>
struct RepeatedPtrField_t
{
	struct Rep_t
	{
		int nAllocatedSize;
		T* tElements[(2147483647 - 2 * sizeof(int)) / sizeof(void*)];
	};

	void* pArena;
	int nCurrentSize;
	int nTotalSize;
	Rep_t* pRep;
};

class CBasePB
{
public:
	MEM_PAD(0x8); // 0x0 VTABLE
	std::uint32_t nHasBits; // 0x8
	std::uint64_t nCachedBits; // 0xC

	void SetBits(std::uint64_t nBits)
	{
		// @note: you don't need to check if the bits are already set as bitwise OR will not change the value if the bit is already set
		nCachedBits |= nBits;
	}
};

static_assert(sizeof(CBasePB) == 0x18);

class CMsgQAngle : public CBasePB
{
public:
	QAngle_t angValue; // 0x18
};

static_assert(sizeof(CMsgQAngle) == 0x28);

class CMsgVector : public CBasePB
{
public:
	Vector4D_t vecValue; // 0x18
};

static_assert(sizeof(CMsgVector) == 0x28);

class CCSGOInterpolationInfoPB : public CBasePB
{
public:
	float flFraction; // 0x18
	int nSrcTick; // 0x1C
	int nDstTick; // 0x20
};

static_assert(sizeof(CCSGOInterpolationInfoPB) == 0x28);

class CCSGOInputHistoryEntryPB : public CBasePB
{
public:
	CMsgQAngle* pViewAngles; // 0x18
	CMsgVector* pShootPosition; // 0x20
	CMsgVector* pTargetHeadPositionCheck; // 0x28
	CMsgVector* pTargetAbsPositionCheck; // 0x30
	CMsgQAngle* pTargetAngPositionCheck; // 0x38
	CCSGOInterpolationInfoPB* cl_interp; // 0x40
	CCSGOInterpolationInfoPB* sv_interp0; // 0x48
	CCSGOInterpolationInfoPB* sv_interp1; // 0x50
	CCSGOInterpolationInfoPB* player_interp; // 0x58
	int nRenderTickCount; // 0x60
	float flRenderTickFraction; // 0x64
	int nPlayerTickCount; // 0x68
	float flPlayerTickFraction; // 0x6C
	int nFrameNumber; // 0x70
	int nTargetEntIndex; // 0x74
};

static_assert(sizeof(CCSGOInputHistoryEntryPB) == 0x78);

struct CInButtonStatePB : CBasePB
{
	std::uint64_t nValue;
	std::uint64_t nValueChanged;
	std::uint64_t nValueScroll;
};

static_assert(sizeof(CInButtonStatePB) == 0x30);

struct CSubtickMoveStep : CBasePB
{
public:
	std::uint64_t nButton;
	bool bPressed;
	float flWhen;
	float flAnalogForwardDelta;
	float flAnalogLeftDelta;
};

static_assert(sizeof(CSubtickMoveStep) == 0x30);

class CBaseUserCmdPB : public CBasePB
{
public:
	RepeatedPtrField_t<CSubtickMoveStep> subtickMovesField;
	std::string* strMoveCrc;
	CInButtonStatePB* pInButtonState;
	CMsgQAngle* pViewAngles;
	std::int32_t nLegacyCommandNumber;
	std::int32_t nClientTick;
	float flForwardMove;
	float flSideMove;
	float flUpMove;
	std::int32_t nImpulse;
	std::int32_t nWeaponSelect;
	std::int32_t nRandomSeed;
	std::int32_t nMousedX;
	std::int32_t nMousedY;
	std::uint32_t nConsumedServerAngleChanges;
	std::int32_t nCmdFlags;
	std::uint32_t nPawnEntityHandle;

	int CalculateCmdCRCSize()
	{
		return M::CallVFunc<int, 7U>(this);
	}
};

static_assert(sizeof(CBaseUserCmdPB) == 0x80);

class CCSGOUserCmdPB
{
public:
	std::uint32_t nHasBits;
	std::uint64_t nCachedSize;
	RepeatedPtrField_t<CCSGOInputHistoryEntryPB> inputHistoryField;
	CBaseUserCmdPB* pBaseCmd;
	bool bLeftHandDesired;
	std::int32_t nAttack3StartHistoryIndex;
	std::int32_t nAttack1StartHistoryIndex;
	std::int32_t nAttack2StartHistoryIndex;

	// @note: this function is used to check if the bits are set and set them if they are not
	void CheckAndSetBits(std::uint32_t nBits)
	{
		if (!(nHasBits & nBits))
			nHasBits |= nBits;
	}
};
static_assert(sizeof(CCSGOUserCmdPB) == 0x40);

struct CInButtonState
{
public:
	MEM_PAD(0x8) // 0x0 VTABLE
		std::uint64_t nValue; // 0x8
	std::uint64_t nValueChanged; // 0x10
	std::uint64_t nValueScroll; // 0x18
};
static_assert(sizeof(CInButtonState) == 0x20);

class CUserCmd
{
public:
	MEM_PAD(0x8); // 0x0 VTABLE
	MEM_PAD(0x10); // TODO: find out what this is, added 14.08.2024
	CCSGOUserCmdPB csgoUserCmd; // 0x18
	CInButtonState nButtons; // 0x58
	MEM_PAD(0x20); // 0x78

	CCSGOInputHistoryEntryPB* GetInputHistoryEntry(int nIndex)
	{
		if (nIndex >= csgoUserCmd.inputHistoryField.pRep->nAllocatedSize || nIndex >= csgoUserCmd.inputHistoryField.nCurrentSize)
			return nullptr;

		return csgoUserCmd.inputHistoryField.pRep->tElements[nIndex];
	}

	void SetSubTickAngle(const QAngle_t& angView)
	{
		for (int i = 0; i < this->csgoUserCmd.inputHistoryField.pRep->nAllocatedSize; i++)
		{
			CCSGOInputHistoryEntryPB* pInputEntry = this->GetInputHistoryEntry(i);
			if (!pInputEntry || !pInputEntry->pViewAngles)
				continue;

			pInputEntry->pViewAngles->angValue = angView;
			pInputEntry->SetBits(EInputHistoryBits::INPUT_HISTORY_BITS_VIEWANGLES);
		}
	}
};
static_assert(sizeof(CUserCmd) == 0x98);