//----------------------------- GetBotAtPosition ------------------------------
//
// given a position on the map this method returns the bot found with its
// bounding radius of that position.
// If there is no bot at the position the method returns NULL
//-----------------------------------------------------------------------------
Raven_Bot* Raven_Game::GetBotAtPosition(Vector2D CursorPos)const
{
std::list<Raven_Bot*>::const_iterator curBot = m_Bots.begin();
for (curBot; curBot != m_Bots.end(); ++curBot)
{
if (Vec2DDistance((*curBot)->Pos(), CursorPos) < (*curBot)->BRadius())
{
if ((*curBot)->isAlive())
{
return *curBot;
}
}
}
return NULL;
}
//---------------------------- ctor -------------------------------------------
//-----------------------------------------------------------------------------
Raven_Door::Raven_Door(Raven_Map* pMap,
std::ifstream& is):
BaseGameEntity(GetValueFromStream<int>(is)),
m_Status(closed),
m_iNumTicksStayOpen(60) //MGC!
{
Read(is);
m_vtoP2Norm = Vec2DNormalize(m_vP2 - m_vP1);
m_dCurrentSize = m_dSize = Vec2DDistance(m_vP2, m_vP1);
Vector2D perp = m_vtoP2Norm.Perp();
//create the walls that make up the door's geometry
m_pWall1 = pMap->AddWall(m_vP1+perp, m_vP2+perp);
m_pWall2 = pMap->AddWall(m_vP2-perp, m_vP1-perp);
}
//----------------------------- AttemptToAddBot -------------------------------
//-----------------------------------------------------------------------------
bool Raven_Game::AttemptToAddBot(Raven_Bot* pBot)
{
//make sure there are some spawn points available
if (m_pMap->GetSpawnPoints().size() <= 0)
{
//ErrorBox("Map has no spawn points!"); return false;
cocos2d::CCLog("Error: Map has no spawn points!");
return false;
}
//we'll make the same number of attempts to spawn a bot this update as
//there are spawn points
int attempts = m_pMap->GetSpawnPoints().size();
while (--attempts >= 0)
{
//select a random spawn point
Vector2D pos = m_pMap->GetRandomSpawnPoint();
//check to see if it's occupied
std::list<Raven_Bot*>::const_iterator curBot = m_Bots.begin();
bool bAvailable = true;
for (curBot; curBot != m_Bots.end(); ++curBot)
{
//if the spawn point is unoccupied spawn a bot
if (Vec2DDistance(pos, (*curBot)->Pos()) < (*curBot)->BRadius())
{
bAvailable = false;
}
}
if (bAvailable)
{
pBot->Spawn(pos);
return true;
}
}
return false;
}
//--------------- InflictDamageOnBotsWithinBlastRadius ------------------------
//
// If the rocket has impacted we test all bots to see if they are within the
// blast radius and reduce their health accordingly
//-----------------------------------------------------------------------------
void Rocket::InflictDamageOnBotsWithinBlastRadius()
{
std::list<Raven_Bot*>::const_iterator curBot = m_pWorld->GetAllBots().begin();
for (curBot; curBot != m_pWorld->GetAllBots().end(); ++curBot)
{
if (Vec2DDistance(Pos(), (*curBot)->Pos()) < m_dBlastRadius + (*curBot)->BRadius())
{
//send a message to the bot to let it know it's been hit, and who the
//shot came from
Dispatcher->DispatchMsg(SEND_MSG_IMMEDIATELY,
m_iShooterID,
(*curBot)->ID(),
Msg_TakeThatMF,
(void*)&m_iDamageInflicted);
}
}
}
//-------------------------------- SelectWeapon -------------------------------
//
//-----------------------------------------------------------------------------
void Raven_WeaponSystem::SelectWeapon()
{
//if a target is present use fuzzy logic to determine the most desirable
//weapon.
if (m_pOwner->GetTargetSys()->isTargetPresent())
{
//calculate the distance to the target
double DistToTarget = Vec2DDistance(m_pOwner->Pos(), m_pOwner->GetTargetSys()->GetTarget()->Pos());
//for each weapon in the inventory calculate its desirability given the
//current situation. The most desirable weapon is selected
double BestSoFar = MinDouble;
WeaponMap::const_iterator curWeap;
for (curWeap = m_WeaponMap.begin(); curWeap != m_WeaponMap.end(); ++curWeap)
{
//grab the desirability of this weapon (desirability is based upon
//distance to target and ammo remaining)
if (curWeap->second)
{
double score = curWeap->second->GetDesirability(DistToTarget);
//if it is the most desirable so far select it
if (score > BestSoFar)
{
BestSoFar = score;
//place the weapon in the bot's hand.
m_pCurrentWeapon = curWeap->second;
}
}
}
}
else
{
m_pCurrentWeapon = m_WeaponMap[type_blaster];
}
}
//---------------------------- AddFuzzyDeviationToAim -------------------------
//
// adds a deviation to the firing angle using fuzzy logic
//-------------------------------------- ---------------------------------------
void Raven_WeaponSystem::AddFuzzyDeviationToAim(Vector2D& AimingPos)
{
double distToTarget = Vec2DDistance(m_pOwner->Pos(), m_pOwner->GetTargetSys()->GetTarget()->Pos());
double targetVelocity = m_pOwner->Speed();
double targetVisiblePeriod = m_pOwner->GetTargetSys()->GetTimeTargetHasBeenVisible();
/* Fuzzification */
m_FuzzyModule.Fuzzify("DistToTarget", distToTarget);
m_FuzzyModule.Fuzzify("TargetVelocity", targetVelocity);
m_FuzzyModule.Fuzzify("TargetVisiblePeriod", targetVisiblePeriod);
double derivation = m_FuzzyModule.DeFuzzify("Deviation", FuzzyModule::max_av);
bool isDerivationPosition = RandBool();
/* Deviation computing */
Vector2D toPos = AimingPos - m_pOwner->Pos();
if (isDerivationPosition)
Vec2DRotateAroundOrigin(toPos, derivation*m_dAimAccuracy);
else
Vec2DRotateAroundOrigin(toPos, -1 * derivation*m_dAimAccuracy);
AimingPos = toPos + m_pOwner->Pos();
}
//----------------- CalculateExpectedTimeToReachPosition ----------------------
//
// returns a value indicating the time in seconds it will take the bot
// to reach the given position at its current speed.
//-----------------------------------------------------------------------------
double Raven_Bot::CalculateTimeToReachPosition(Vector2D pos)const
{
return Vec2DDistance(Pos(), pos) / (MaxSpeed() * FrameRate);
}
//--------------------------- DetermineBestSupportingPosition -----------------
//
// see header or book for description
//-----------------------------------------------------------------------------
Vector2D Prior__SupportSpotCalculator::DetermineBestSupportingPosition()
{
//only update the spots every few frames
if (!m_pRegulator->isReady() && m_pBestSupportingSpot)
{
return m_pBestSupportingSpot->m_vPos;
}
//reset the best supporting spot
m_pBestSupportingSpot = NULL;
double BestScoreSoFar = 0.0;
std::vector<SupportSpot>::iterator curSpot;
for (curSpot = m_Spots.begin(); curSpot != m_Spots.end(); ++curSpot)
{
//first remove any previous score. (the score is set to one so that
//the viewer can see the positions of all the spots if he has the
//aids turned on)
curSpot->m_dScore = 1.0;
//Test 1. is it possible to make a safe pass from the ball's position
//to this position?
if(m_pTeam->isPassSafeFromAllOpponents(m_pTeam->ControllingPlayer()->Pos(),
curSpot->m_vPos,
NULL,
Prm.MaxPassingForce))
{
curSpot->m_dScore += Prm.Spot_PassSafeScore;
}
//Test 2. Determine if a goal can be scored from this position.
if( m_pTeam->CanShoot(curSpot->m_vPos,
Prm.MaxShootingForce))
{
curSpot->m_dScore += Prm.Spot_CanScoreFromPositionScore;
}
//Test 3. calculate how far this spot is away from the controlling
//player. The further away, the higher the score. Any distances further
//away than OptimalDistance pixels do not receive a score.
if (m_pTeam->SupportingPlayer())
{
const double OptimalDistance = 200.0;
double dist = Vec2DDistance(m_pTeam->ControllingPlayer()->Pos(),
curSpot->m_vPos);
double temp = fabs(OptimalDistance - dist);
if (temp < OptimalDistance)
{
//normalize the distance and add it to the score
curSpot->m_dScore += Prm.Spot_DistFromControllingPlayerScore *
(OptimalDistance-temp)/OptimalDistance;
}
}
//check to see if this spot has the highest score so far
if (curSpot->m_dScore > BestScoreSoFar)
{
BestScoreSoFar = curSpot->m_dScore;
m_pBestSupportingSpot = &(*curSpot);
}
}
return m_pBestSupportingSpot->m_vPos;
}
