Filter.h

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#pragma once

#include "conditions/ICondition.h"
#include "filter/IFilter.h"

#define FILTER_NAME "Filter"

namespace ai {

class Filter: public ICondition {
protected:
    Filters _filters;

    void getConditionNameWithValue(std::stringstream& s, const AIPtr& entity) override {
        bool first = true;
        s << "(";
        auto copy = entity->_filteredEntities;
        for (const FilterPtr& filter : _filters) {
            if (!first)
                s << ",";
            s << filter->getName() << "{" << filter->getParameters() << "}[";
            entity->_filteredEntities.clear();
            filter->filter(entity);
            bool firstChr = true;
            int cnt = 0;
            for (CharacterId id : entity->_filteredEntities) {
                if (!firstChr)
                    s << ",";
                s << id;
                firstChr = false;
                ++cnt;
                if (cnt > 15) {
                    s << ",...";
                    break;
                }
            }
            s << "]";
            first = false;
        }
        entity->_filteredEntities = copy;
        s << ")";
    }

public:
    CONDITION_FACTORY_NO_IMPL(Filter)

    explicit Filter (const Filters& filters) :
            ICondition(FILTER_NAME, ""), _filters(filters) {
    }

    bool evaluate(const AIPtr& entity) override {
        entity->_filteredEntities.clear();
        for (const FilterPtr filter : _filters) {
            filter->filter(entity);
        }
        return !entity->_filteredEntities.empty();
    }
};

inline ConditionPtr Filter::Factory::create(const ConditionFactoryContext *ctx) const {
    return std::make_shared<Filter>(ctx->filters);
}

}