67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
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#ifndef CREATURELIB_SCRIPTAGGREGATOR_HPP
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#define CREATURELIB_SCRIPTAGGREGATOR_HPP
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#include <any>
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#include <queue>
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#include "Script.hpp"
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#include "ScriptSet.hpp"
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namespace CreatureLib::Battling{
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class ScriptAggregator{
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std::queue<std::any> _queue;
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bool _isSetSet = false;
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std::__detail::_Node_iterator<std::pair<const std::string, Script *>, false, true> _setIterator;
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std::__detail::_Node_iterator<std::pair<const std::string, Script *>, false, true> _setEnd;
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public:
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ScriptAggregator() = default;
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void Add(Script* script){
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_queue.push(script);
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}
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void Add(ScriptSet* scriptSet){
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_queue.push(scriptSet);
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}
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bool HasNext(){
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return !_queue.empty() || _isSetSet;
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}
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Script* GetNext(){
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// We can probably do this in a cleaner version once C++ 20 drops with Coroutine support.
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if (_isSetSet){
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if (_setIterator == _setEnd){
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_isSetSet = false;
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return GetNext();
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}
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auto s = _setIterator->second;
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_setIterator.operator++();
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if (_setIterator == _setEnd){
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_isSetSet = false;
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}
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return s;
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}
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if (_queue.empty())
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return nullptr;
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auto next = _queue.front();
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_queue.pop();
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if (next.type() == typeid(Script*)){
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return std::any_cast<Script*>(next);
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}
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else{
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auto set = std::any_cast<ScriptSet*>(next);
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if (set->Count() == 0)
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return GetNext();
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auto it = set->GetIterator();
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_setIterator = it->begin();
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_setEnd = it->end();
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_isSetSet = true;
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return GetNext();
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}
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throw NotReachableException();
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}
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};
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}
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#endif //CREATURELIB_SCRIPTAGGREGATOR_HPP
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