Free Hero Mesh

static Uint32 obj_dir(Uint32 n,Uint32 d) {
  if(n==VOIDLINK) return VOIDLINK;
  d=resolve_dir(n,d);
  return obj_top_at(objects[n]->x+x_delta[d],objects[n]->y+y_delta[d]);
}

static Sint16 new_x(Sint16 n,Uint8 d) {
  n+=x_delta[d];
  n+=x_delta[d&7];
  return n<0?0:n>pfwidth?pfwidth+1:n;
}

static Sint16 new_y(Sint16 n,Uint8 d) {
  n+=y_delta[d];
  n+=y_delta[d&7];
  return n<0?0:n>pfheight?pfheight+1:n;
}

static void change_shape(Uint32 n,int d,int v) {
  v&=3;
  v<<=d+d;
  v|=objects[n]->shape&~(3<<(d+d));

    case OP_MOVETO_D: NoIgnore(); StackReq(2,0); t3=Pop(); Numeric(t3); t2=Pop(); Numeric(t2); move_to(obj,obj,t2.u,t3.u); break;
    case OP_MOVETO_CD: NoIgnore(); StackReq(3,0); t3=Pop(); Numeric(t3); t2=Pop(); Numeric(t2); i=v_object(Pop()); move_to(obj,i,t2.u,t3.u); break;
    case OP_MSG: StackReq(0,1); Push(MVALUE(msgvars.msg)); break;
    case OP_MUL: StackReq(2,1); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); Push(NVALUE(t1.u*t2.u)); break;
    case OP_MUL_C: StackReq(2,1); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); Push(NVALUE(t1.s*t2.s)); break;
    case OP_NE: StackReq(2,1); t2=Pop(); t1=Pop(); Push(NVALUE(v_equal(t1,t2)?0:1)); break;
    case OP_NEG: StackReq(1,1); t1=Pop(); Numeric(t1); t1.s=-t1.s; Push(t1); break;
    case OP_NEWX: StackReq(2,1); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); Push(NVALUE(new_x(t1.u,resolve_dir(obj,t2.u)))); break;
    case OP_NEWY: StackReq(2,1); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); Push(NVALUE(new_y(t1.u,resolve_dir(obj,t2.u)))); break;
    case OP_NEWX: StackReq(2,1); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); Push(NVALUE(new_x(t1.u,t2.u))); break;
    case OP_NEWY: StackReq(2,1); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); Push(NVALUE(new_y(t1.u,t2.u))); break;
    case OP_NEXT: StackReq(0,1); ptr=v_next(code,ptr); break;
    case OP_NIP: StackReq(2,1); t1=Pop(); Pop(); Push(t1); break;
    case OP_OBJABOVE: StackReq(0,1); i=obj_above(obj); Push(OVALUE(i)); break;
    case OP_OBJABOVE_C: StackReq(1,1); i=obj_above(v_object(Pop())); Push(OVALUE(i)); break;
    case OP_OBJBELOW: StackReq(0,1); i=obj_below(obj); Push(OVALUE(i)); break;
    case OP_OBJBELOW_C: StackReq(1,1); i=obj_below(v_object(Pop())); Push(OVALUE(i)); break;
    case OP_OBJBOTTOMAT: StackReq(2,1); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); i=obj_bottom_at(t1.u,t2.u); Push(OVALUE(i)); break;