void Colosseum::pushAllVillains(int r, int c, int dir)
{
// pushes all villains at [r,c] in the given direction
// Note that if r,c isn't a valid location, this will
// do nothing. We could instead have checked
// to see if it's in range, and skipped the loop
// in that case.
// (or we could do bounds checking before calling, etc)
for (int k = m_nVillains-1; k >= 0; k--)
{
Villain* vp = m_villains[k];
if( vp->row() == r && vp->col() == c )
{
vp->push( dir );
if (vp->isDead())
{
delete vp;
// The order of Villain pointers in the m_villains array is
// irrelevant, so it's easiest to move the last pointer to
// replace the one pointing to the now-deleted villain. Since
// we are traversing the array from last to first, we know this
// last pointer does not point to a dead villain.
m_villains[k] = m_villains[m_nVillains-1];
m_nVillains--;
}
}
}
}
int Colosseum::numberOfVillainsAt(int r, int c) const
{
int count = 0;
for (int k = 0; k < m_nVillains; k++)
{
Villain* vp = m_villains[k];
if (vp->row() == r && vp->col() == c)
count++;
}
return count;
}
void Colosseum::moveVillains()
{
// Move all villains
for (int k = m_nVillains-1; k >= 0; k--)
{
Villain* vp = m_villains[k];
vp->move();
if (m_player != NULL &&
vp->row() == m_player->row() && vp->col() == m_player->col())
m_player->setDead();
}
// Another turn has been taken
m_turns++;
}