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authorDan Goodliffe <dan@randomdan.homeip.net>2021-01-18 02:08:01 +0000
committerDan Goodliffe <dan@randomdan.homeip.net>2021-01-18 02:08:01 +0000
commit627aa88ad2559f41d5be62d36cdbf536a97e4246 (patch)
tree0e98c2e9c39db6ecc88ecf1914af608241d7c18e /utility/collection.hpp
parentHelpers can be static (diff)
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Factor to support worlds, objects, windows etc
Diffstat (limited to 'utility/collection.hpp')
-rw-r--r--utility/collection.hpp31
1 files changed, 31 insertions, 0 deletions
diff --git a/utility/collection.hpp b/utility/collection.hpp
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+#ifndef COLLECTION_H
+#define COLLECTION_H
+
+#include <algorithm>
+#include <memory>
+
+template<typename Object> class Collection {
+public:
+ using Ptr = std::unique_ptr<Object>;
+ std::vector<Ptr> objects;
+
+ template<typename T = Object, typename... Params>
+ const auto &
+ create(Params &&... params)
+ {
+ return objects.emplace_back(std::make_unique<T>(std::forward<Params>(params)...));
+ }
+
+ template<typename T = Object, typename M = void, typename... Params>
+ void
+ apply(const M & m, Params &&... params) const
+ {
+ std::for_each(objects.cbegin(), objects.cend(), [&m, &params...](auto && op) {
+ if (auto o = dynamic_cast<T *>(op.get())) {
+ std::invoke(m, o, std::forward<Params>(params)...);
+ }
+ });
+ }
+};
+
+#endif