mirror of https://github.com/minetest/minetest.git
95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
/*
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Minetest
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Copyright (C) 2018 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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extern "C" {
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#include <lauxlib.h>
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}
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#include "helper.h"
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#include <cmath>
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#include <irr_v2d.h>
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#include <irr_v3d.h>
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#include <string_view>
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#include "c_converter.h"
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#include "c_types.h"
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/*
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* Read template functions
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*/
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template <>
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bool LuaHelper::readParam(lua_State *L, int index)
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{
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return lua_toboolean(L, index) != 0;
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}
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template <>
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s16 LuaHelper::readParam(lua_State *L, int index)
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{
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return luaL_checkinteger(L, index);
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}
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template <>
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int LuaHelper::readParam(lua_State *L, int index)
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{
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return luaL_checkinteger(L, index);
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}
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template <>
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float LuaHelper::readParam(lua_State *L, int index)
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{
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lua_Number v = luaL_checknumber(L, index);
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if (std::isnan(v) && std::isinf(v))
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throw LuaError("Invalid float value (NaN or infinity)");
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return static_cast<float>(v);
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}
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template <>
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v2s16 LuaHelper::readParam(lua_State *L, int index)
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{
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return read_v2s16(L, index);
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}
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template <>
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v2f LuaHelper::readParam(lua_State *L, int index)
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{
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return check_v2f(L, index);
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}
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template <>
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v3f LuaHelper::readParam(lua_State *L, int index)
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{
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return check_v3f(L, index);
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}
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template <>
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std::string_view LuaHelper::readParam(lua_State *L, int index)
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{
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size_t length;
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const char *str = luaL_checklstring(L, index, &length);
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return std::string_view(str, length);
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}
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template <>
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std::string LuaHelper::readParam(lua_State *L, int index)
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{
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auto sv = readParam<std::string_view>(L, index);
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return std::string(sv); // a copy
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}
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