bool RuleBase::can_reverse_direction( const Object::Enemy& self,
int friends_size,
const Object::Enemy* friends,
int self_index) const
{
for (int i = 0; i < friends_size; ++i)
{
if (i == self_index)
{
continue;
}
if (friends[i].point() == self.point())
{
return false;
}
}
GameLib::Framework f = GameLib::Framework::instance();
return f.getRandom(MaxRate) < reverse_rate_at_moving_;
}
Point RuleBase::select_direction( const Object::Enemy& self,
const Map& map,
int friends_size,
const Object::Enemy* friends,
int self_index)
{
int rates[4];
Point next_candidates[4];
// do not change the original
for (int i = 0; i < 4; ++i)
{
rates[i] = direction_rates_[i];
}
for (int i = 0; i < 4; ++i)
{
next_candidates[i] = self.point() + Directions[i];
if (map.can_not_invade(next_candidates[i]))
{
rates[i] = 0;
}
}
for (int i = 0; i < friends_size; ++i)
{
if (i == self_index)
{
continue;
}
if (friends[i].point() == next_candidates[i])
{
rates[i] = 0;
}
else if (friends[i].current_point() == next_candidates[i])
{
rates[i] = 0;
}
}
normalize_rate(rates);
if ((rates[0] + rates[1] + rates[2] + rates[3]) == 0)
{
return Point(0, 0);
}
GameLib::Framework f = GameLib::Framework::instance();
int rate = f.getRandom(MaxRate);
int index = 0;
int sum = 0;
for (int i = 0; i < 4; ++i)
{
sum = sum + rates[i];
if (sum > rate)
{
index = i;
break;
}
}
return Directions[index];
}
AppStatus::ITEM AppStatus::randomItem(){
GameLib::Framework f = GameLib::Framework::instance();
return static_cast<ITEM>(f.getRandom(4));
}