12 - Calculate closest player to you

/*
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* Game hacking QTS ( Quickie Tip Series )
* no. 12 - Calculate closest player to you
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* Author: SEGnosis  - GHAnon.net
* Thanks to:
* bitterbanana      - No known site
* Drunken Cheetah   - No known site
* fatboy88      - No known site
* Geek4Ever         - No known site
* learn_more        - www.uc-forum.com
* Novocaine         - http://ilsken.net/blog/?page_id=64
* Philly0494        - No known site
* Roverturbo        - www.uc-forum.com
* SilentKarma       - www.halocoders.com - offline
* Strife        - www.uc-forum.com
* Wieter20      - No known site
*/

//------------------------------------//
#include <Windows.h>

#define NEG_TARGET -1

int GetClosestPlayer()
{
    int iPlayerRet = NEG_TARGET; // Dont want forced player index

    float   fMinDistance    = FLT_MAX;

    for( int i = 0; i < CPBase->m_uiPlayersInMap; i++ ) // enumerate players
    {
        if( !CEManager.PlayerTable[ i ] ) // if player exists
            continue;

        if( !CEManager.PlayerTable[ i ]->m_iHealth ) // if player is alive
            continue;

        FVect3* vBoneTarget = &CEManager.PlayerTable[ i ]->m_vBoneNeck; // get player position

        FVect3 vTotalDistance = {   CLEntity->m_vPos.x - vBoneTarget->x, // Get even distance
                                    CLEntity->m_vPos.y - vBoneTarget->y,
                                    CLEntity->m_vPos.z - vBoneTarget->z   };

        // Formula for hypotenuse
        float fDistance = sqrt( vTotalDistance .x * vTotalDistance .x + vTotalDistance .z * vTotalDistance .z );

        if( fDistance < fMinDistance ) // if distance is smaller than the last
        {
            fMinDistance = fDistance; // set it
            iPlayerRet = i; // set target player
        }
    }

    return iPlayerRet;
}
//------------------------------------//