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123 lines
3.2 KiB
C++
123 lines
3.2 KiB
C++
//
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// Created by koncord on 19.03.16.
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//
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#ifndef PLUGINSYSTEM3_SCRIPT_HPP
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#define PLUGINSYSTEM3_SCRIPT_HPP
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#include <boost/any.hpp>
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#include <unordered_map>
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#include <memory>
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#include "Types.hpp"
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#include "SystemInterface.hpp"
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#include "ScriptFunction.hpp"
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#include "ScriptFunctions.hpp"
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#include "Language.hpp"
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#include "Networking.hpp"
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class Script : private ScriptFunctions
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{
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// http://imgur.com/hU0N4EH
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private:
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Language *lang;
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enum
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{
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SCRIPT_CPP,
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SCRIPT_LUA
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};
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template<typename R>
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R GetScript(const char *name)
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{
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if (script_type == SCRIPT_CPP)
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{
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return SystemInterface<R>(lang->GetInterface(), name).result;
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}
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else
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{
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return reinterpret_cast<R>(lang->IsCallbackPresent(name));
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}
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}
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int script_type;
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std::unordered_map<unsigned int, FunctionEllipsis<void>> callbacks_;
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typedef std::vector<std::unique_ptr<Script>> ScriptList;
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static ScriptList scripts;
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Script(const char *path);
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Script(const Script&) = delete;
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Script& operator=(const Script&) = delete;
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protected:
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static std::string moddir;
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public:
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~Script();
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static void LoadScript(const char *script, const char* base);
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static void LoadScripts(char* scripts, const char* base);
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static void UnloadScripts();
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static void SetModDir(const std::string &moddir);
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static const char* GetModDir();
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static constexpr ScriptCallbackData const& CallBackData(const unsigned int I, const unsigned int N = 0) {
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return callbacks[N].index == I ? callbacks[N] : CallBackData(I, N + 1);
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}
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template<size_t N>
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static constexpr unsigned int CallbackIdentity(const char(&str)[N])
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{
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return Utils::hash(str);
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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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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& script : scripts)
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{
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if (!script->callbacks_.count(I))
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script->callbacks_.emplace(I, script->GetScript<FunctionEllipsis<void>>(data.name));
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auto callback = script->callbacks_[I];
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if (!callback)
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continue;
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if (script->script_type == SCRIPT_CPP)
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(callback)(std::forward<Args>(args)...);
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#if defined (ENABLE_LUA)
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else if (script->script_type == SCRIPT_LUA)
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{
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try
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{
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script->lang->Call(data.name, data.callback.types, B, std::forward<Args>(args)...);
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}
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catch (std::exception &e)
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{
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LOG_MESSAGE_SIMPLE(Log::LOG_ERROR, e.what());
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Script::Call<Script::CallbackIdentity("OnServerScriptCrash")>(e.what());
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if (!mwmp::Networking::getPtr()->getScriptErrorIgnoringState())
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throw;
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}
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}
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#endif
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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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#endif //PLUGINSYSTEM3_SCRIPT_HPP
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