Free Hero Mesh

  return x.s>y.s;
}

static inline int v_unsigned_greater(Value x,Value y) {
  if(x.t!=TY_NUMBER || y.t!=TY_NUMBER) Throw("Type mismatch");
  return x.u>y.u;
}

static Uint32 v_is(Value x,Value y) {
  Uint32 n;
  if(x.t==TY_NUMBER && !x.u) {
    return 0;
  } else if(x.t>TY_MAXTYPE && y.t==TY_CLASS) {
    n=v_object(x);
    return (objects[n]->class==y.u)?1:0;
    //TODO: subclassing (using CF_GROUP)
  } else if((x.t>TY_MAXTYPE || x.t==TY_CLASS) && y.t==TY_NUMBER && !y.u) {
    return 1;
  } else if(x.t==TY_CLASS && y.t==TY_CLASS) {
    return (x.u==y.u)?1:0;
    //TODO: subclassing (using CF_GROUP)
  } else {
    Throw("Type mismatch");
  }
}

static Uint8 collisions_at(Uint32 x,Uint32 y) {
  Uint8 c=0;
  Uint32 n;
  if(x<1 || y<1 || x>pfwidth || y>pfheight) return 0;
  n=playfield[x+y*64-65];
  while(n!=VOIDLINK) {

  if(o->oflags&OF_DESTROYED) return VOIDLINK;
  for(i=25;i>=0;i--) {
    xx=x+Xbit(i); yy=y+Ybit(i);
    if(xx<1 || xx>pfwidth || yy<1 || yy>pfheight) continue;
    m=playfield[xx+yy*64-65];
    while(m!=VOIDLINK) {
      p=objects[m];
      if(p->arrivals&(1<<i)) if(m!=n) send_message(n,m,MSG_CREATED,NVALUE(x),NVALUE(y),v);
      m=p->up;
    }
  }
  if(o->oflags&OF_DESTROYED) return VOIDLINK;
  m=objects[n]->up;
  if(m!=VOIDLINK) {
    v=send_message(VOIDLINK,n,MSG_SUNK,NVALUE(0),NVALUE(0),v);

    case OP_INTMOVE_C: NoIgnore(); StackReq(2,1); t1=Pop(); Numeric(t1); i=v_object(Pop()); if(i==VOIDLINK) Push(NVALUE(0)); else Push(NVALUE(move_dir(obj,i,t1.u))); break;
    case OP_INTMOVE_D: NoIgnore(); StackReq(1,0); t1=Pop(); Numeric(t1); move_dir(obj,obj,t1.u); break;
    case OP_INTMOVE_CD: NoIgnore(); StackReq(2,0); t1=Pop(); Numeric(t1); i=v_object(Pop()); if(i!=VOIDLINK) move_dir(obj,i,t1.u); break;
    case OP_INVISIBLE: StackReq(0,1); if(o->oflags&OF_INVISIBLE) Push(NVALUE(1)); else Push(NVALUE(0)); break;
    case OP_INVISIBLE_C: StackReq(1,1); GetFlagOf(OF_INVISIBLE); break;
    case OP_INVISIBLE_E: NoIgnore(); StackReq(1,0); if(v_bool(Pop())) o->oflags|=OF_INVISIBLE; else o->oflags&=~OF_INVISIBLE; break;
    case OP_INVISIBLE_EC: NoIgnore(); StackReq(2,0); SetFlagOf(OF_INVISIBLE); break;
    case OP_IS: StackReq(2,1); t2=Pop(); t1=Pop(); Push(NVALUE(v_is(t1,t2))); break;
    case OP_JUMPTO: NoIgnore(); StackReq(2,1); t3=Pop(); Numeric(t3); t2=Pop(); Numeric(t2); Push(NVALUE(jump_to(obj,obj,t2.u,t3.u))); break;
    case OP_JUMPTO_C: NoIgnore(); StackReq(3,1); t3=Pop(); Numeric(t3); t2=Pop(); Numeric(t2); i=v_object(Pop()); Push(NVALUE(jump_to(obj,i,t2.u,t3.u))); break;
    case OP_JUMPTO_D: NoIgnore(); StackReq(2,0); t3=Pop(); Numeric(t3); t2=Pop(); Numeric(t2); jump_to(obj,obj,t2.u,t3.u); break;
    case OP_JUMPTO_CD: NoIgnore(); StackReq(3,0); t3=Pop(); Numeric(t3); t2=Pop(); Numeric(t2); i=v_object(Pop()); jump_to(obj,i,t2.u,t3.u); break;
    case OP_KEY: StackReq(0,1); Push(NVALUE(current_key)); break;
    case OP_KEYCLEARED: StackReq(0,1); if(o->oflags&OF_KEYCLEARED) Push(NVALUE(1)); else Push(NVALUE(0)); break;
    case OP_KEYCLEARED_C: StackReq(1,1); GetFlagOf(OF_KEYCLEARED); break;