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source: code/branches/sound5/src/libraries/core/LuaState.h @ 8748

Last change on this file since 8748 was 6417, checked in by rgrieder, 15 years ago

Merged presentation2 branch back to trunk.
Major new features:

  • Actual GUI with settings, etc.
  • Improved space ship steering (human interaction)
  • Rocket fire and more particle effects
  • Advanced sound framework
  • Property svn:eol-style set to native
File size: 4.3 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Benjamin Knecht
24 *      Reto Grieder
25 *   Co-authors:
26 *      ...
27 *
28 */
29
30#ifndef _LuaState_H__
31#define _LuaState_H__
32
33#include "CorePrereqs.h"
34
35#include <map>
36#include <sstream>
37#include <string>
38#include <vector>
39#include <boost/shared_ptr.hpp>
40
41#include "util/ScopeGuard.h"
42#include "core/Functor.h"
43#include "ToluaInterface.h"
44
45namespace orxonox // tolua_export
46{ // tolua_export
47    class Functor; // tolua_export
48
49    //! Functor subclass that simply executes code with 0 arguments.
50    class _CoreExport LuaFunctor : public Functor
51    {
52        public:
53            LuaFunctor(const std::string& code, LuaState* luaState);
54            void operator()(const MultiType& param1 = MT_Type::Null, const MultiType& param2 = MT_Type::Null, const MultiType& param3 = MT_Type::Null, const MultiType& param4 = MT_Type::Null, const MultiType& param5 = MT_Type::Null);
55            void evaluateParam(unsigned int index, MultiType& param) const {}
56
57        private:
58            std::string code_;
59            LuaState*   lua_;
60    };
61
62
63    /**
64    @brief
65        Representation of an interface to lua
66    */
67    class _CoreExport LuaState // tolua_export
68    { // tolua_export
69    public:
70        LuaState();
71        ~LuaState();
72
73        void doFile(const std::string& filename); // tolua_export
74        void doString(const std::string& code, const shared_ptr<ResourceInfo>& sourceFileInfo = shared_ptr<ResourceInfo>());
75
76        void includeFile(const std::string& filename); // tolua_export
77        void includeString(const std::string& code, const shared_ptr<ResourceInfo>& sourceFileInfo = shared_ptr<ResourceInfo>());
78
79        void luaPrint(const std::string& str); // tolua_export
80        void luaLog(unsigned int level, const std::string& message); // tolua_export
81        bool fileExists(const std::string& filename); // tolua_export
82
83        const std::stringstream& getOutput() const { return output_; }
84        void clearOutput() { output_.clear(); } // tolua_export
85
86        void setIncludeParser(std::string (*function)(const std::string&)) { includeParseFunction_ = function; }
87        lua_State* getInternalLuaState() { return luaState_; }
88
89        void setDefaultResourceInfo(const shared_ptr<ResourceInfo>& sourceFileInfo) { this->sourceFileInfo_ = sourceFileInfo; }
90        const shared_ptr<ResourceInfo>& getDefaultResourceInfo() { return this->sourceFileInfo_; }
91
92        Functor* createLuaFunctor(const std::string& code) { return new LuaFunctor(code, this); } // tolua_export
93
94        static bool addToluaInterface(int (*function)(lua_State*), const std::string& name);
95        static bool removeToluaInterface(const std::string& name);
96        static void openToluaInterfaces(lua_State* state);
97        static void closeToluaInterfaces(lua_State* state);
98
99    private:
100        shared_ptr<ResourceInfo> getFileInfo(const std::string& filename);
101
102#if LUA_VERSION_NUM != 501
103        struct LoadS
104        {
105            const char* s;
106            size_t size;
107        };
108
109        static const char * lua_Chunkreader(lua_State *L, void *data, size_t *size);
110#endif
111
112        std::stringstream output_;
113        lua_State* luaState_;
114        bool bIsRunning_;
115        shared_ptr<ResourceInfo> sourceFileInfo_;
116        std::string (*includeParseFunction_)(const std::string&);
117
118        typedef std::map<std::string, int (*)(lua_State *L)> ToluaInterfaceMap;
119        static ToluaInterfaceMap toluaInterfaces_s;
120        static std::vector<LuaState*> instances_s;
121    }; // tolua_export
122} // tolua_export
123
124#endif /* _LuaState_H__ */
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