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#include <systems/lua.hpp>
void LuaScript::setGlobal(const LuaVariable& nv) const
{
lua_pushnumber(state, std::get<float&>(nv));
lua_setglobal(state, std::get<std::string>(nv).c_str());
}
void LuaScript::getReturns(std::vector<double>& rets) const
{
int count = lua_gettop(state);
for (int i = 1; i <= count; i++)
rets.emplace_back(lua_tonumber(state, i));
lua_pop(state, count);
}
void LuaScript::operator()(const std::string& func, std::vector<LuaVariable> vars) const
{
for (auto& v : vars)
setGlobal(v);
(*this)(func);
for (auto& v : vars) {
lua_getglobal(state, std::get<std::string>(v).c_str());
std::get<float&>(v) = lua_tonumber(state, -1);
}
}
void LuaScript::operator()(const std::string& func, std::vector<double>& rets,
std::vector<LuaVariable> vars) const
{
for (auto& v : vars)
setGlobal(v);
(*this)(func);
getReturns(rets);
for (auto& v : vars) {
lua_getglobal(state, std::get<std::string>(v).c_str());
std::get<float&>(v) = lua_tonumber(state, -1);
}
}
void LuaScript::operator()(std::vector<LuaVariable> vars) const
{
for (auto& v : vars)
setGlobal(v);
(*this)();
for (auto& v : vars) {
lua_getglobal(state, std::get<std::string>(v).c_str());
std::get<float&>(v) = lua_tonumber(state, -1);
}
}
void LuaScript::operator()(std::vector<double>& rets, std::vector<LuaVariable> vars) const
{
for (auto& v : vars)
setGlobal(v);
(*this)();
getReturns(rets);
for (auto& v : vars) {
lua_getglobal(state, std::get<std::string>(v).c_str());
std::get<float&>(v) = lua_tonumber(state, -1);
}
}
void LuaScript::operator()(const std::string& s) const
{
lua_getglobal(state, s.c_str());
lua_pcall(state, 0, LUA_MULTRET, 0);
}
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