#include <a_samp>
#pragma tabsize 0
public OnFilterScriptInit()
{
        print(\"--------------------------------\");
        print(\"A Headshot filterscript betöltve\");
        print(\"--------------------------------\");
        return true;
}
public OnFilterScriptExit()
{
        print(\"--------------------------------\");
        print(\"A Headshot filterscript kilépve.\");
        print(\"--------------------------------\");
        return true;
}
Float:DistanceCameraTargetToLocation(Float:CamX, Float:CamY, Float:CamZ, Float:ObjX, Float:ObjY, Float:ObjZ, Float:FrX, Float:FrY, Float:FrZ) {
        new Float:TGTDistance;
        TGTDistance = floatsqroot((CamX - ObjX) * (CamX - ObjX) + (CamY - ObjY) * (CamY - ObjY) + (CamZ - ObjZ) * (CamZ - ObjZ));
        new Float:tmpX, Float:tmpY, Float:tmpZ;
        tmpX = FrX * TGTDistance + CamX;
        tmpY = FrY * TGTDistance + CamY;
        tmpZ = FrZ * TGTDistance + CamZ;
        return floatsqroot((tmpX - ObjX) * (tmpX - ObjX) + (tmpY - ObjY) * (tmpY - ObjY) + (tmpZ - ObjZ) * (tmpZ - ObjZ));
}
stock Float:GetPointAngleToPoint(Float:x2, Float:y2, Float:X, Float:Y) {
  new Float:DX, Float:DY;
  new Float:angle;
  DX = floatabs(floatsub(x2,X));
  DY = floatabs(floatsub(y2,Y));
  if (DY == 0.0 || DX == 0.0) {
    if(DY == 0 && DX > 0) angle = 0.0;
    else if(DY == 0 && DX < 0) angle = 180.0;
    else if(DY > 0 && DX == 0) angle = 90.0;
    else if(DY < 0 && DX == 0) angle = 270.0;
    else if(DY == 0 && DX == 0) angle = 0.0;
  }
  else {
    angle = atan(DX/DY);
    if(X > x2 && Y <= y2) angle += 90.0;
    else if(X <= x2 && Y < y2) angle = floatsub(90.0, angle);
    else if(X < x2 && Y >= y2) angle -= 90.0;
    else if(X >= x2 && Y > y2) angle = floatsub(270.0, angle);
  }
  return floatadd(angle, 90.0);
}
stock GetXYInFrontOfPoint(&Float:x, &Float:y, Float:angle, Float:distance) {
        x += (distance * floatsin(-angle, degrees));
        y += (distance * floatcos(-angle, degrees));
}
stock IsPlayerAimingAt(playerid, Float:x, Float:y, Float:z, Float:radius) {
  new Float:camera_x,Float:camera_y,Float:camera_z,Float:vector_x,Float:vector_y,Float:vector_z;
  GetPlayerCameraPos(playerid, camera_x, camera_y, camera_z);
  GetPlayerCameraFrontVector(playerid, vector_x, vector_y, vector_z);
        new Float:vertical, Float:horizontal;
        switch (GetPlayerWeapon(playerid)) {
          case 34,35,36: {
          if (DistanceCameraTargetToLocation(camera_x, camera_y, camera_z, x, y, z, vector_x, vector_y, vector_z) < radius) return true;
          return false;
          }
          case 30,31: {vertical = 4.0; horizontal = -1.6;}
          case 33: {vertical = 2.7; horizontal = -1.0;}
          default: {vertical = 6.0; horizontal = -2.2;}
        }
  new Float:angle = GetPointAngleToPoint(0, 0, floatsqroot(vector_x*vector_x+vector_y*vector_y), vector_z) - 270.0;
  new Float:resize_x, Float:resize_y, Float:resize_z = floatsin(angle+vertical, degrees);
  GetXYInFrontOfPoint(resize_x, resize_y, GetPointAngleToPoint(0, 0, vector_x, vector_y)+horizontal, floatcos(angle+vertical, degrees));
  if (DistanceCameraTargetToLocation(camera_x, camera_y, camera_z, x, y, z, resize_x, resize_y, resize_z) < radius) return true;
  return false;
}
public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
        if(newkeys == KEY_FIRE && (GetPlayerWeapon(playerid) == 33 || GetPlayerWeapon(playerid) == 34))
        {
                new Float:cam_y,Float:cam_x,Float:cam_z,Float:vec_x,Float:vec_y,Float:vec_z;
                new Float:Pos[3];
                GetPlayerCameraPos(playerid,cam_x,cam_y,cam_z);
                GetPlayerCameraFrontVector(playerid,vec_x,vec_y,vec_z);
                for(new i = 0,j=GetMaxPlayers(); i < j; i++)
                {
                        if(!IsPlayerConnected(i)) continue;
                        GetPlayerPos(i,Pos[0],Pos[1],Pos[2]);
                        if(IsPlayerAimingAt(playerid, Pos[0], Pos[1], Pos[2]+0.8, 0.2))
                        {
                                SetPlayerHealth(i,0.0);
                                SendDeathMessage(playerid,i,GetPlayerWeapon(playerid));
                                new String[256];
                                new Name[MAX_PLAYER_NAME];
                                GetPlayerName(i,Name,MAX_PLAYER_NAME);
                                format(String,256,\"Lelõtted az illetõt!\",Name);
                                SendClientMessage(playerid,0x0000ff77,String);
                                break;
                        }
                        else
            {
             SetPlayerHealth(i,20.0);
             ApplyAnimation(playerid,\"SWAT\",\"gnstwall_injurd\",4.1,1,1,1,0,4000,1);
             SendClientMessage(i, -1, \"Elkapott egy golyó próbálj meg gyorsan elmenekülni!\");
             new String[256];
                         new Name[MAX_PLAYER_NAME];
                         GetPlayerName(i,Name,MAX_PLAYER_NAME);
                         format(String,256,\"Lábon kaptad az illetõt!\",Name);
                         SendClientMessage(playerid,0x0000ff77,String);
                }
        }
        return true;
}