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added basics for Bonus updater

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This commit is contained in:
Henning Koehler 2017-09-09 17:43:53 +12:00
parent 3795985de9
commit 67330efa4a
2 changed files with 54 additions and 0 deletions
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17
lib/HeroBonus.cpp
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@ -1543,3 +1543,20 @@ void LimiterList::add( TLimiterPtr limiter )
{
limiters.push_back(limiter);
}
void ScalingUpdater::update(BonusUpdateContext & context)
{
if(context.node.getNodeType() == CBonusSystemNode::HERO)
{
int level = static_cast<const CGHeroInstance &>(context.node).level;
int steps = stepSize ? level / stepSize : level;
//rounding follows format for HMM3 creature specialty bonus
context.b->val = (valPer20 * steps + 19) / 20;
}
}
std::shared_ptr<Bonus> Bonus::addUpdater(TUpdaterPtr Updater)
{
updater = Updater;
return this->shared_from_this();
}

37
lib/HeroBonus.h
View File

@ -17,11 +17,13 @@ class IBonusBearer;
class CBonusSystemNode;
class ILimiter;
class IPropagator;
class IUpdater;
class BonusList;
typedef std::shared_ptr<BonusList> TBonusListPtr;
typedef std::shared_ptr<ILimiter> TLimiterPtr;
typedef std::shared_ptr<IPropagator> TPropagatorPtr;
typedef std::shared_ptr<IUpdater> TUpdaterPtr;
typedef std::set<CBonusSystemNode*> TNodes;
typedef std::set<const CBonusSystemNode*> TCNodes;
typedef std::vector<CBonusSystemNode *> TNodesVector;
@ -340,6 +342,7 @@ struct DLL_LINKAGE Bonus : public std::enable_shared_from_this<Bonus>
TLimiterPtr limiter;
TPropagatorPtr propagator;
TUpdaterPtr updater;
std::string description;
@ -422,6 +425,7 @@ struct DLL_LINKAGE Bonus : public std::enable_shared_from_this<Bonus>
std::shared_ptr<Bonus> addLimiter(TLimiterPtr Limiter); //returns this for convenient chain-calls
std::shared_ptr<Bonus> addPropagator(TPropagatorPtr Propagator); //returns this for convenient chain-calls
std::shared_ptr<Bonus> addUpdater(TUpdaterPtr Updater); //returns this for convenient chain-calls
};
DLL_LINKAGE std::ostream & operator<<(std::ostream &out, const Bonus &bonus);
@ -1006,3 +1010,36 @@ void BonusList::insert(const int position, InputIterator first, InputIterator la
bonuses.insert(bonuses.begin() + position, first, last);
changed();
}
// bonus decorators for updating bonuses based on events (e.g. hero gaining level)
struct BonusUpdateContext
{
std::shared_ptr<Bonus> b;
const CBonusSystemNode & node;
};
class DLL_LINKAGE IUpdater
{
public:
virtual void update(BonusUpdateContext & context) const = 0;
template <typename Handler> void serialize(Handler &h, const int version)
{
}
};
struct DLL_LINKAGE ScalingUpdater : public IUpdater
{
int valPer20 = 0;
int stepSize = 1;
template <typename Handler> void serialize(Handler &h, const int version)
{
IUpdater::serialize(h, version);
h & valPer20;
h & stepSize;
}
void update(BonusUpdateContext & context);
};