r5sdk/r5dev/engine/host_state.h

#pragma once
#include "mathlib/vector.h"

enum class HostStates_t : int
{
	HS_NEW_GAME        = 0x0,
	HS_LOAD_GAME       = 0x1,
	HS_CHANGE_LEVEL_SP = 0x2,
	HS_CHANGE_LEVEL_MP = 0x3,
	HS_RUN             = 0x4,
	HS_GAME_SHUTDOWN   = 0x5,
	HS_SHUTDOWN        = 0x6,
	HS_RESTART         = 0x7,
};

class CHostState
{
public:
	static void FrameUpdate(CHostState* pHostState, double flCurrentTime, float flFrameTime);
	void LoadConfig(void) const;

	void Init(void);
	void Setup(void);
	void Think(void) const;

	void SetState(const HostStates_t newState);
	void GameShutDown(void);

	void State_NewGame(void);
	void State_ChangeLevelSP(void);
	void State_ChangeLevelMP(void);

	void ResetLevelName(void);

public:
	HostStates_t m_iCurrentState;                    //0x0000
	HostStates_t m_iNextState;                       //0x0004
	Vector3D     m_vecLocation;                      //0x0008
	QAngle       m_angLocation;                      //0x0014
	char         m_levelName[MAX_MAP_NAME_HOST];     //0x0020
	char         m_mapGroupName[256];                //0x0060
	char         m_landMarkName[256];                //0x0160
	float        m_flShortFrameTime;                 //0x0260
	bool         m_bActiveGame;                      //0x0264
	bool         m_bRememberLocation;                //0x0265
	bool         m_bBackgroundLevel;                 //0x0266
	bool         m_bWaitingForConnection;            //0x0267
	bool         m_bSplitScreenConnect;              //0x0268
	bool         m_bGameHasShutDownAndFlushedMemory; //0x0269
	HostStates_t m_iServerState;                     //0x026C
};

/* ==== CHOSTSTATE ====================================================================================================================================================== */
inline void(*CHostState__FrameUpdate)(CHostState* pHostState, double flCurrentTime, float flFrameTime);
inline void(*CHostState__State_Run)(HostStates_t* pState, double flCurrentTime, float flFrameTime);
inline void(*CHostState__State_GameShutDown)(CHostState* thisptr);
inline void(*v_HostState_ChangeLevelMP)(char const* pNewLevel, char const* pLandmarkName);

///////////////////////////////////////////////////////////////////////////////
extern CHostState* g_pHostState;

///////////////////////////////////////////////////////////////////////////////
class VHostState : public IDetour
{
	virtual void GetAdr(void) const
	{
		LogFunAdr("CHostState::FrameUpdate", CHostState__FrameUpdate);
		LogFunAdr("CHostState::State_Run", CHostState__State_Run);
		LogFunAdr("CHostState::State_GameShutDown", CHostState__State_GameShutDown);
		LogFunAdr("HostState_ChangeLevelMP", v_HostState_ChangeLevelMP);
		LogVarAdr("g_pHostState", g_pHostState);
	}
	virtual void GetFun(void) const
	{
		g_GameDll.FindPatternSIMD("48 89 5C 24 08 48 89 6C 24 20 F3 0F 11 54 24 18").GetPtr(CHostState__FrameUpdate);
		g_GameDll.FindPatternSIMD("48 8B C4 48 89 58 10 48 89 70 18 48 89 78 20 55 41 54 41 55 41 56 41 57 48 8D A8 ?? ?? ?? ?? 48 81 EC ?? ?? ?? ?? 0F 29 70 C8 45 33 E4").GetPtr(CHostState__State_Run);
		g_GameDll.FindPatternSIMD("48 89 5C 24 ?? 57 48 83 EC 20 48 8B D9 E8 ?? ?? ?? ?? 48 8B 0D ?? ?? ?? ??").GetPtr(CHostState__State_GameShutDown);
		g_GameDll.FindPatternSIMD("48 89 5C 24 ?? 48 89 74 24 ?? 57 48 83 EC 20 48 8B F9 48 8B F2 8B 0D ?? ?? ?? ??").GetPtr(v_HostState_ChangeLevelMP);
	}
	virtual void GetVar(void) const
	{
		g_pHostState = CMemory(CHostState__FrameUpdate).FindPattern("48 8D ?? ?? ?? ?? 01", CMemory::Direction::DOWN, 100).ResolveRelativeAddressSelf(0x3, 0x7).RCast<CHostState*>();
	}
	virtual void GetCon(void) const { }
	virtual void Detour(const bool bAttach) const;
};
///////////////////////////////////////////////////////////////////////////////