forked from Mirrorlandia_minetest/minetest
102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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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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#pragma once
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#include "common/c_types.h"
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#include "common/c_internal.h"
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#include "common/helper.h"
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#include "gamedef.h"
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#include <unordered_map>
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extern "C" {
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#include <lua.h>
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#include <lauxlib.h>
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}
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#ifndef SERVER
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class Client;
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class GUIEngine;
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#endif
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class ScriptApiBase;
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class Server;
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class Environment;
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class ServerInventoryManager;
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class ModApiBase : protected LuaHelper {
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public:
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static ScriptApiBase* getScriptApiBase(lua_State *L);
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static Server* getServer(lua_State *L);
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static ServerInventoryManager *getServerInventoryMgr(lua_State *L);
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#ifndef SERVER
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static Client* getClient(lua_State *L);
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static GUIEngine* getGuiEngine(lua_State *L);
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#endif // !SERVER
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static IGameDef* getGameDef(lua_State *L);
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static Environment* getEnv(lua_State *L);
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// When we are not loading the mod, this function returns "."
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static std::string getCurrentModPath(lua_State *L);
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// Get an arbitrary subclass of ScriptApiBase
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// by using dynamic_cast<> on getScriptApiBase()
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template<typename T>
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static T* getScriptApi(lua_State *L) {
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ScriptApiBase *scriptIface = getScriptApiBase(L);
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T *scriptIfaceDowncast = dynamic_cast<T*>(scriptIface);
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if (!scriptIfaceDowncast) {
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throw LuaError("Requested unavailable ScriptApi - core engine bug!");
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}
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return scriptIfaceDowncast;
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}
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static bool registerFunction(lua_State *L,
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const char* name,
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lua_CFunction func,
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int top);
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static void registerClass(lua_State *L, const char *name,
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const luaL_Reg *methods,
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const luaL_Reg *metamethods);
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template<typename T>
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static inline T *checkObject(lua_State *L, int narg)
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{
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return *reinterpret_cast<T**>(luaL_checkudata(L, narg, T::className));
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}
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/**
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* A wrapper for deprecated functions.
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*
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* When called, handles the deprecation according to user settings and then calls `func`.
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*
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* @throws Lua Error if required by the user settings.
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*
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* @param L Lua state
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* @param good Name of good function/method
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* @param bad Name of deprecated function/method
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* @param func Actual implementation of function
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* @return value from `func`
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*/
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static int l_deprecated_function(lua_State *L, const char *good, const char *bad, lua_CFunction func);
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};
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