[SAMP] GetPlayerAimedBodyPart by Dinnozor

/*

GetPlayerAimedBodyPart include by Dinnozor

Detects if you shoot the head/arm/leg/torso of a player !

Feel free to share but please don't remove credits.

*/

#include <a_samp>

#define BP_HEAD 1
#define BP_BODY 0
#define BP_ARM 3
#define BP_LEG 2

forward Float:Distance(Float:xA,Float:yA,Float:zA,Float:xB,Float:yB,Float:zB);

forward OnPlayerHeadshot(playerid,targetid,weaponid);
forward OnPlayerLegshot(playerid,targetid,weaponid);
forward OnPlayerArmshot(playerid,targetid,weaponid);



public Float:Distance(Float:xA,Float:yA,Float:zA,Float:xB,Float:yB,Float:zB)
{
    new Float:Dist=floatsqroot((xB-xA)*(xB-xA)+(yB-yA)*(yB-yA)+(zB-zA)*(zB-zA));
    return Dist;
}

stock GetPlayerAimedBodyPart(playerid, targetid, Float:range,weapon)
{
    new Float:Dist,Float:AngleD, Float:xv,Float:yv,Float:zv,Float:xc,Float:yc,Float:zc,Float:xt,Float:yt,Float:zt,Float:X2,Float:Y2,Float:Z2;
    new Float:AngleP;
    GetPlayerPos(targetid,X2,Y2,Z2);
    GetPlayerCameraPos(playerid,xc,yc,zc);
    GetPlayerCameraFrontVector(playerid,xv,yv,zv);
    GetPlayerFacingAngle(targetid,AngleP);
    xt=range*xv+xc;
    yt=range*yv+yc;
    zt=range*zv+zc;

    switch(weapon)

    {
        case 34:AngleD=0;
        case 33:AngleD=3;
        case 30,31:AngleD=4;
        case 22..24:AngleD=6;
        case 25..27:AngleD=4;
        default:AngleD=6;


    }
    if(GetPlayerSpecialAction(targetid)==1)

    {
        if(Z2-0.1<=range*floattan(AngleD,degrees)+zt) return BP_HEAD;
        else if((Z2-0.55<=zt+range*floattan(AngleD,degrees))&&floatabs(0.3*floatcos(-AngleP,degrees)+X2-xt)<=0.2&&floatabs(-0.3*floatsin(-AngleP,degrees)+Y2-yt)<=0.2) return BP_ARM;


    }
    else if(GetPlayerState(playerid)!=1)

    {
        if(Z2+0.4<=range*floattan(AngleD,degrees)+zt) return BP_HEAD;


    }
    else

    {
        if(Z2+0.5<=range*floattan(AngleD,degrees)+zt) return BP_HEAD;
        else if(Z2-0.3>=zt+range*floattan(AngleD,degrees)) return BP_LEG;
        else if((Z2-0.2<=zt+range*floattan(AngleD,degrees))&&floatabs(0.27*floatcos(-AngleP,degrees)+X2-xt)<=0.2&&floatabs(-0.27*floatsin(-AngleP,degrees)+Y2-yt)<=0.2) return BP_ARM;



    }
    return BP_BODY;
}

public OnPlayerTakeDamage(playerid, issuerid, Float:amount, weaponid)
{
    new Float:Xt,Float:Yt,Float:Zt;
    GetPlayerPos(playerid,Xt,Yt,Zt);
    if(issuerid!=INVALID_PLAYER_ID)
    {

        new Float:xc,Float:yc,Float:zc,Float:DistC;
        GetPlayerCameraPos(issuerid,xc,yc,zc);
        DistC=Distance(xc,yc,zc,Xt,Yt,Zt);

        switch(GetPlayerAimedBodyPart(issuerid,playerid,DistC,weaponid))
        {
            case 1:OnPlayerHeadshot(issuerid,playerid,weaponid);
            case 2:OnPlayerLegshot(issuerid,playerid,weaponid);
            case 3:OnPlayerArmshot(issuerid,playerid,weaponid);
            //Create a call back for torso shots if you want : use default here

        }

    }
    return 1;
}

public OnPlayerHeadshot(playerid,targetid,weaponid)
{
    //Put whatever you want in these callbacks
    return 1;
}

public OnPlayerLegshot(playerid,targetid,weaponid)
{

    return 1;
}

public OnPlayerArmshot(playerid,targetid,weaponid)
{

    return 1;
}