CoD2 draw k/d in status bar

#include <Windows.h>
#include <iostream>

void cracking_hook_call(int from, const int to)
{
    DWORD dwback;
    const int len = 5;

    VirtualProtect((LPVOID)from, len, PAGE_READWRITE, &dwback);

    int relative = to - (from + 5); // +5 is the position of next opcode
    memcpy((void *)(from + 1), &relative, 4); // set relative address with endian

    VirtualProtect((LPVOID)from, len, dwback, &dwback);
}

char static_text[128] = "\0";
char *new_text = &static_text[0];
int is_player, ptr_text;
float score;

void save_score()
{
    score = atof((char*)ptr_text);
}

void change_death()
{
    float death, kd;

    death = atof((char*)ptr_text);

    if (!score && !death)
        kd = 0;
    else if (!score && death)
        kd = -death;
    else if (score && !death)
        kd = score;
    else
        kd = score / death;

    sprintf_s<128>(static_text, "%s (%.1f)", (char*)ptr_text, kd);
}

bool draw_player()
{
    return (**(byte**)is_player == 0);
}

bool cmp( char *txt )
{
    return (strcmp(*(char**)is_player, txt) == 0);
}

bool draw_score()
{
    return cmp("CGAME_SB_SCORE");
}

bool draw_death()
{
    return cmp("CGAME_SB_DEATHS");
}

void __declspec(naked)Ui_DrawStatusBar()
{
    _asm
    {
        add ebp, 0x4
        mov is_player, ebp
        sub ebp, 0x4
    }

    if (draw_score())
    {
        _asm
        {
            add esp, 0x4
            pop eax
            mov ptr_text, eax
            push eax
            sub esp, 0x4
        }

        save_score();
    }

    if (draw_death())
    {
        _asm
        {
            add esp, 0x4
            pop eax
            mov ptr_text, eax
            push eax
            sub esp, 0x4
        }

        change_death();

        _asm
        {
            add esp, 0x4
            pop eax
            push new_text
            sub esp, 0x4
        }
    }

    _asm
    {
        mov eax, 0x52BEF0
        jmp eax
    }
}

void _main()
{
    while (GetModuleHandleA("gfx_d3d_mp_x86_s.dll") == 0)
        Sleep(100);

    cracking_hook_call((int)0x4D419A, (int)Ui_DrawStatusBar);
}

BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID)
{
    DisableThreadLibraryCalls(hinstDLL);

    if (fdwReason == DLL_PROCESS_ATTACH)
        CreateThread(0, 0, (LPTHREAD_START_ROUTINE)_main, 0, 0, 0);

    return true;
}