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OpenMW is an open implementation of the Morrowind engine
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120#include "asyncpackage.hpp"
#include "util.hpp"
namespace sol{ template <> struct is_automagical<LuaUtil::AsyncPackageId> : std::false_type { };
template <> struct is_automagical<LuaUtil::Callback> : std::false_type { };}
namespace LuaUtil{
struct TimerCallback { AsyncPackageId mAsyncId; std::string mName; };
Callback Callback::fromLua(const sol::table& t) { const sol::object& function = t.raw_get<sol::object>(1); const sol::object& asyncPackageId = t.raw_get<sol::object>(2); if (!function.is<sol::main_protected_function>() || !asyncPackageId.is<AsyncPackageId>()) throw std::domain_error("Expected an async:callback, received a table"); return Callback{ function.as<sol::main_protected_function>(), asyncPackageId.as<AsyncPackageId>().mHiddenData }; }
sol::table Callback::makeMetatable(lua_State* state) { sol::table callbackMeta = sol::table::create(state); callbackMeta[sol::meta_function::call] = [](const sol::table& callback, sol::variadic_args va) { return Callback::fromLua(callback).call(sol::as_args(va)); }; callbackMeta[sol::meta_function::to_string] = [] { return "Callback"; }; callbackMeta[sol::meta_function::metatable] = false; callbackMeta["isCallback"] = true; return callbackMeta; } sol::table Callback::make(const AsyncPackageId& asyncId, sol::main_protected_function fn, sol::table metatable) { sol::table c = sol::table::create(fn.lua_state(), 2); c.raw_set(1, std::move(fn), 2, asyncId); c[sol::metatable_key] = metatable; return c; }
bool Callback::isLuaCallback(const sol::object& t) { if (!t.is<sol::table>()) return false; sol::object meta = sol::table(t)[sol::metatable_key]; if (!meta.is<sol::table>()) return false; return sol::table(meta).raw_get_or<bool, std::string_view, bool>("isCallback", false); }
sol::function getAsyncPackageInitializer( lua_State* state, std::function<double()> simulationTimeFn, std::function<double()> gameTimeFn) { sol::state_view lua(state); using TimerType = ScriptsContainer::TimerType; sol::usertype<AsyncPackageId> api = lua.new_usertype<AsyncPackageId>("AsyncPackage"); api["registerTimerCallback"] = [](const AsyncPackageId& asyncId, std::string_view name, sol::main_protected_function callback) { asyncId.mContainer->registerTimerCallback(asyncId.mScriptId, name, std::move(callback)); return TimerCallback{ asyncId, std::string(name) }; }; api["newSimulationTimer"] = [simulationTimeFn](const AsyncPackageId&, double delay, const TimerCallback& callback, sol::main_object callbackArg) { callback.mAsyncId.mContainer->setupSerializableTimer(TimerType::SIMULATION_TIME, simulationTimeFn() + delay, callback.mAsyncId.mScriptId, callback.mName, std::move(callbackArg)); }; api["newGameTimer"] = [gameTimeFn](const AsyncPackageId&, double delay, const TimerCallback& callback, sol::main_object callbackArg) { callback.mAsyncId.mContainer->setupSerializableTimer(TimerType::GAME_TIME, gameTimeFn() + delay, callback.mAsyncId.mScriptId, callback.mName, std::move(callbackArg)); }; api["newUnsavableSimulationTimer"] = [simulationTimeFn](const AsyncPackageId& asyncId, double delay, sol::main_protected_function callback) { asyncId.mContainer->setupUnsavableTimer( TimerType::SIMULATION_TIME, simulationTimeFn() + delay, asyncId.mScriptId, std::move(callback)); }; api["newUnsavableGameTimer"] = [gameTimeFn](const AsyncPackageId& asyncId, double delay, sol::main_protected_function callback) { asyncId.mContainer->setupUnsavableTimer( TimerType::GAME_TIME, gameTimeFn() + delay, asyncId.mScriptId, std::move(callback)); }; api["newRealTimeTimer"] = [](const AsyncPackageId&, double delay, const TimerCallback& callback, sol::main_object callbackArg) { callback.mAsyncId.mContainer->setupSerializableTimer(TimerType::REAL_TIME, getRealTime() + delay, callback.mAsyncId.mScriptId, callback.mName, std::move(callbackArg)); }; api["newUnsavableRealTimeTimer"] = [](const AsyncPackageId& asyncId, double delay, sol::main_protected_function callback) { asyncId.mContainer->setupUnsavableTimer( TimerType::REAL_TIME, getRealTime() + delay, asyncId.mScriptId, std::move(callback)); };
sol::table callbackMeta = Callback::makeMetatable(state); api["callback"] = [callbackMeta](const AsyncPackageId& asyncId, sol::main_protected_function fn) -> sol::table { return Callback::make(asyncId, std::move(fn), callbackMeta); };
auto initializer = [](sol::table hiddenData) { ScriptId id = hiddenData[ScriptsContainer::sScriptIdKey]; return AsyncPackageId{ id.mContainer, id.mIndex, std::move(hiddenData) }; }; return sol::make_object(lua, initializer); }
}