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openmw-tes3mp/apps/openmw-mp/Script/Script.hpp

126 lines
3.2 KiB
C++

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