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Move asyncpackage from apps/openmw/mwlua to components/lua

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This commit is contained in:
Petr Mikheev 2023-02-12 22:21:35 +01:00
parent 9673f5b932
commit 71ba7b88e2
12 changed files with 136 additions and 124 deletions
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54
components/lua/asyncpackage.hpp Normal file
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#ifndef COMPONENTS_LUA_ASYNCPACKAGE_H
#define COMPONENTS_LUA_ASYNCPACKAGE_H
#include "scriptscontainer.hpp"
namespace LuaUtil
{
struct AsyncPackageId
{
ScriptsContainer* mContainer;
int mScriptId;
sol::table mHiddenData;
};
sol::function getAsyncPackageInitializer(
lua_State* L, std::function<double()> simulationTimeFn, std::function<double()> gameTimeFn);
// Wrapper for a Lua function.
// Holds information about the script the function belongs to.
// Needed to prevent callback calls if the script was removed.
struct Callback
{
sol::main_protected_function mFunc;
sol::table mHiddenData; // same object as Script::mHiddenData in ScriptsContainer
bool isValid() const { return mHiddenData[ScriptsContainer::sScriptIdKey] != sol::nil; }
template <typename... Args>
sol::object call(Args&&... args) const
{
sol::optional<ScriptId> scriptId = mHiddenData[ScriptsContainer::sScriptIdKey];
if (scriptId.has_value())
return LuaUtil::call(scriptId.value(), mFunc, std::forward<Args>(args)...);
else
Log(Debug::Debug) << "Ignored callback to the removed script "
<< mHiddenData.get<std::string>(ScriptsContainer::sScriptDebugNameKey);
return sol::nil;
}
template <typename... Args>
void tryCall(Args&&... args) const
{
try
{
this->call(std::forward<Args>(args)...);
}
catch (std::exception& e)
{
Log(Debug::Error) << "Error in callback: " << e.what();
}
}
};
}
#endif // COMPONENTS_LUA_ASYNCPACKAGE_H