bool Monster::getDanceStep(const Position& creaturePos, Direction& dir, bool keepAttack /*= true*/, bool keepDistance /*= true*/)
{
assert(attackedCreature);
bool canDoAttackNow = canUseAttack(creaturePos, attackedCreature);
const Position& centerPos = attackedCreature->getPosition();
uint32_t tmpDist, centerToDist = std::max(std::abs(creaturePos.x - centerPos.x), std::abs(creaturePos.y - centerPos.y));
DirVector dirVector;
if(!keepDistance || creaturePos.y - centerPos.y >= 0)
{
tmpDist = std::max(std::abs((creaturePos.x) - centerPos.x), std::abs((creaturePos.y - 1) - centerPos.y));
if(tmpDist == centerToDist && canWalkTo(creaturePos, NORTH))
{
bool result = true;
if(keepAttack)
result = (!canDoAttackNow || canUseAttack(Position(creaturePos.x, creaturePos.y - 1, creaturePos.z), attackedCreature));
if(result)
dirVector.push_back(NORTH);
}
}
if(!keepDistance || creaturePos.y - centerPos.y <= 0)
{
tmpDist = std::max(std::abs((creaturePos.x) - centerPos.x), std::abs((creaturePos.y + 1) - centerPos.y));
if(tmpDist == centerToDist && canWalkTo(creaturePos, SOUTH))
{
bool result = true;
if(keepAttack)
result = (!canDoAttackNow || canUseAttack(Position(creaturePos.x, creaturePos.y + 1, creaturePos.z), attackedCreature));
if(result)
dirVector.push_back(SOUTH);
}
}
if(!keepDistance || creaturePos.x - centerPos.x >= 0)
{
tmpDist = std::max(std::abs((creaturePos.x + 1) - centerPos.x), std::abs((creaturePos.y) - centerPos.y));
if(tmpDist == centerToDist && canWalkTo(creaturePos, EAST))
{
bool result = true;
if(keepAttack)
result = (!canDoAttackNow || canUseAttack(Position(creaturePos.x + 1, creaturePos.y, creaturePos.z), attackedCreature));
if(result)
dirVector.push_back(EAST);
}
}
if(!keepDistance || creaturePos.x - centerPos.x <= 0)
{
tmpDist = std::max(std::abs((creaturePos.x - 1) - centerPos.x), std::abs((creaturePos.y) - centerPos.y));
if(tmpDist == centerToDist && canWalkTo(creaturePos, WEST))
{
bool result = true;
if(keepAttack)
result = (!canDoAttackNow || canUseAttack(Position(creaturePos.x - 1, creaturePos.y, creaturePos.z), attackedCreature));
if(result)
dirVector.push_back(WEST);
}
}
if(dirVector.empty())
return false;
std::random_shuffle(dirVector.begin(), dirVector.end());
dir = dirVector[random_range(0, dirVector.size() - 1)];
return true;
}
