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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
//
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// Created by koncord on 12.01.19.
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//
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#pragma once
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#include "SystemInterface.hpp"
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#include "Callbacks.hpp"
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#include <unordered_map>
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#include <memory>
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#include <vector>
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class Plugin: Callbacks
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{
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private:
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lib_t lib;
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void (*PluginFree)();
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int (*PluginInit)();
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typedef std::vector<std::unique_ptr<Plugin>> PluginList;
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std::unordered_map<unsigned int, FunctionEllipsis<void>> callbacks_;
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static PluginList plugins;
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public:
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explicit Plugin(const std::string &pluginName);
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~Plugin();
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Plugin(const Plugin&) = delete;
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Plugin& operator=(const Plugin&) = delete;
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static bool LoadPlugin(const std::string &plugin);
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static void LoadPlugins(const std::vector<std::string> &pluginsList);
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static void SetModDir(const std::string &moddir);
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static const char* GetModDir();
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static void SetPluginDir(const std::string &pluginDir);
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static const char* GetPluginDir();
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static constexpr ScriptCallbackData const& CallBackData(const unsigned int I, const unsigned int N = 0)
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{
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return callbacks[N].index == I ? callbacks[N] : CallBackData(I, N + 1);
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}
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template<unsigned int I, bool B = false, typename... Args>
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static unsigned int Call(Args&&... args)
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{
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constexpr ScriptCallbackData const& data = CallBackData(I);
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static_assert(data.callback.matches(TypeString<typename std::remove_reference<Args>::type...>::value),
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"Wrong number or types of arguments");
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unsigned int count = 0;
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for (auto& plugin : plugins)
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{
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if (!plugin->callbacks_.count(I))
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plugin->callbacks_.emplace(I, SystemInterface<FunctionEllipsis<void>>(plugin->lib, data.name).result);
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auto callback = plugin->callbacks_[I];
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if (!callback)
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continue;
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(callback)(std::forward<Args>(args)...);
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++count;
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}
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return count;
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}
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};
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