Quiz thingy

void object::Update(background A_Field){
     if (newframe){delayU=Frames[currframe].delay;newframe=false;}
     if (delayU==0){previousframe=currframe;currframe=Frames[currframe].nxt;newframe=true;}else{  //update frame and loop on the delay
     delayU--;}



     if (previousframe!=4321 && Frames[currframe].loop_condition==previousframe && !doloop && Frames[currframe].loop_length!=0&&newframe){ //loop tag
        U_loop_length= Frames[currframe].loop_length;
        doloop=true;
     }
     if (Frames[currframe].loop_condition==previousframe && doloop&&newframe){
        if (U_loop_length == 0){
            previousframe=currframe;currframe=Frames[currframe].loop_goto;
            doloop=false;newframe=true;
        }else{
        U_loop_length--;}
     }


     if(Frames[currframe].state==0&&total_fx!=0){ //apply friction
        if (total_fx>0){
            total_fx-=FRICTION;
            if (total_fx<0) total_fx=0;
        }else if (total_fx<0){
            total_fx+=FRICTION;
            if (total_fx>0) total_fx=0;
        }
     }
     if (Frames[currframe].f_x!=0){           //f_x tag
        if (Frames[currframe].f_x!=4321){
            total_fx=Frames[currframe].f_x;
        }else{total_fx=0;}
     }
     if (facing==0) {
     Move(total_fx, 'x',A_Field);
     }else{Move(-total_fx, 'x',A_Field);
     }

     total_fx+=Frames[currframe].acc;   //acc tag

     if (P_UP==true){Move(-Frames[currframe].zhlddstnc, 'z', A_Field);}  //z_hold_distance tag
     if (P_DOWN==true){Move(Frames[currframe].zhlddstnc, 'z', A_Field);}

     if (P_RIGHT==true){Move(Frames[currframe].xhlddstnc, 'x', A_Field);}  //x_hold_distance tag
     if (P_LEFT==true){Move(-Frames[currframe].xhlddstnc, 'x', A_Field);}



//This is the part which deals with running (called dashing here):
     if ((P_UP==true||P_DOWN==true||P_LEFT==true||P_RIGHT==true)&&Frames[currframe].state==0){
        if (DASHR==1&&P_RIGHT==true&&facing==0){
            previousframe=currframe;currframe=dashing;newframe=true;DASHR=0;DASHL=0;DshClksIntrvlL,DshClksIntrvlR=0;
        }else if(DASHL==1&&P_LEFT==true&&facing==1){
            previousframe=currframe;currframe=dashing;newframe=true;DASHL=0;DASHR=0;DshClksIntrvlL,DshClksIntrvlR=0;
        }else{
         previousframe=currframe;currframe=walking;newframe=true;}}
        if(Frames[currframe].state==1 && !(P_UP==true||P_DOWN==true||P_LEFT==true||P_RIGHT==true)){
        currframe=standing;newframe=true;previousframe=currframe;
     }



     if (Frames[currframe].state==1){
        if (P_UP==true){movedirz = 0;}
        else if (P_DOWN==true){movedirz =1;}else movedirz = 2;
        if (P_LEFT==true){movedirx = 1;}
        else if (P_RIGHT==true){movedirx= 0;}else movedirx = 2;
        Walk(movedirx, movedirz, A_Field);}


     }