47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
/* Copyright: (c) Kayne Ruse 2013-2016
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*/
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#include "lua_utilities.hpp"
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#include <stdexcept>
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#include <string>
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//this is for functions passed to SetOnCreate & SetOnUnload
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int runHook(lua_State* L, int scriptRef, void* userdata, int index) {
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//get the hook
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lua_rawgeti(L, LUA_REGISTRYINDEX, scriptRef);
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if (lua_isnil(L, -1)) {
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lua_pop(L, 1);
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return -1;
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}
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//push args
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lua_pushlightuserdata(L, userdata);
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lua_pushinteger(L, index);
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//call the function, 2 arg, 0 return
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if (lua_pcall(L, 2, 0, 0) != LUA_OK) {
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throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(L, -1) ));
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}
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return 0;
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} |