Can you help me with opk function ?

struct CPlayer
{
	WORD weapon;  //0x101D8  
		char unknown0[50320]; //0x0000
	BYTE index; //0xC490  
		char unknown50321[27]; //0xC491
	//CVehicle* pVehicle; //0xC4AC  
		char unknown50352[15588]; //0xC4B0
	float pitch; //0x10194   
	float yaw; //0x10198     
		char unknown65948[156]; //0x1019C
	BYTE state; //0x10238  
		char unknown66105[19]; //0x10239
	float posx; //0x1024C  
	float posy; //0x10250  
	float posz; //0x10254  
		char unknown66136[136]; //0x10258
	float pos1; //0x102E0  
		char unknown66276[4]; //0x102E4
	float pos2; //0x102E8  
		char unknown66284[4]; //0x102EC
	float pos3; //0x102F0  
		char unknown66292[16716]; //0x102F4
		float nfd; //0x102C8  
};//Size=0x17C40(97344)

struct CBase
{
	 CPlayer* local;         //0x000000
	 char unknown0[1169872];  //0x000004
	 CPlayer** player;      //0x11D9B4
};

struct CPlayerInfo
{	
		char unknown1[8];		//0x0
	 __int32 premium;       //0x8
	char unknown2[1712];	//0xC
	 __int32 ping;			//0x6BC
	char unknown3[20];		//0x6C0
	 char ip[16];			//0x6D4  
	char unknown4[140];		//0x6E4
	 DWORD exp;	            //0x770
	char unknown5[12];		//0x774
	 __int32 dinar;			//0x780
	char unknown6[4];       //0x784
	 __int32 totalkills;    //0x788
	 __int32 totaldeaths;   //0x78C
	char unknown7[564];		//0x790
	 char name[20];			//0x9C4
	char unknown8[4500];	//0x9D8
	 __int32 points;		//0x1B6C
	char unknown9[24];		//0x1B70
	 __int32 kills;			//0x1B88
	 __int32 deaths;		//0x1B8C
	 __int32 flags;			//0x1B90
	 
	  CHAR unknown7048[12]; //0x1B88

	 __int32 health;		//0x1B94 
	 __int32 maxhealth;		//0x1B98
	char unknown10[4];		//0x1B9C
	 __int32 branch;		//0x1BA0
	char unknown11[132];	//0x1BA4
	 BYTE ready;	        //0x1C28
	char unknown12[171];	//0x1C29
	char unknown7068[320]; //0x1B9C
	BYTE team; //0x1CDC

#define Nfd 0x102C8 //should work

int Nfd = 0;

if(Nfd == 1)
{
*(float*)(dwPlayerPtr+Nfd) = -20000;
}

{
*(float*)(dwPlayerPtr+Nfd) = -20000;
}

if(GetAsyncKeyState(VK_"Your HotKey") &1)
{
*(float*)(dwPlayerPtr+Nfd) = -20000;
}