1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <iostream>
#include <string>
#include <thread>
#include <mutex>
#include <unordered_map>
#include "common/helper.h"
#include "util/basic_macros.h"
extern "C" {
#include <lua.h>
#include <lualib.h>
}
#include "irrlichttypes.h"
#include "common/c_types.h"
#include "common/c_internal.h"
#include "debug.h"
#include "config.h"
#define SCRIPTAPI_LOCK_DEBUG
#define SCRIPTAPI_DEBUG
// MUST be an invalid mod name so that mods can't
// use that name to bypass security!
#define BUILTIN_MOD_NAME "*builtin*"
#define PCALL_RES(RES) { \
int result_ = (RES); \
if (result_ != 0) { \
scriptError(result_, __FUNCTION__); \
} \
}
#define runCallbacks(nargs, mode) \
runCallbacksRaw((nargs), (mode), __FUNCTION__)
#define setOriginFromTable(index) \
setOriginFromTableRaw(index, __FUNCTION__)
enum class ScriptingType: u8 {
Async,
Client,
MainMenu,
Server
};
class Server;
#ifndef SERVER
class Client;
#endif
class IGameDef;
class Environment;
class GUIEngine;
class ServerActiveObject;
struct PlayerHPChangeReason;
class ScriptApiBase : protected LuaHelper {
public:
ScriptApiBase(ScriptingType type);
// fake constructor to allow script API classes (e.g ScriptApiEnv) to virtually inherit from this one.
ScriptApiBase()
{
FATAL_ERROR("ScriptApiBase created without ScriptingType!");
}
virtual ~ScriptApiBase();
DISABLE_CLASS_COPY(ScriptApiBase);
// These throw a ModError on failure
void loadMod(const std::string &script_path, const std::string &mod_name);
void loadScript(const std::string &script_path);
#ifndef SERVER
void loadModFromMemory(const std::string &mod_name);
#endif
void runCallbacksRaw(int nargs,
RunCallbacksMode mode, const char *fxn);
/* object */
void addObjectReference(ServerActiveObject *cobj);
void removeObjectReference(ServerActiveObject *cobj);
IGameDef *getGameDef() { return m_gamedef; }
Server* getServer();
ScriptingType getType() { return m_type; }
#ifndef SERVER
Client* getClient();
#endif
std::string getOrigin() { return m_last_run_mod; }
void setOriginDirect(const char *origin);
void setOriginFromTableRaw(int index, const char *fxn);
void clientOpenLibs(lua_State *L);
protected:
friend class LuaABM;
friend class LuaLBM;
friend class InvRef;
friend class ObjectRef;
friend class NodeMetaRef;
friend class ModApiBase;
friend class ModApiEnvMod;
friend class LuaVoxelManip;
lua_State* getStack()
{ return m_luastack; }
void realityCheck();
void scriptError(int result, const char *fxn);
void stackDump(std::ostream &o);
void setGameDef(IGameDef* gamedef) { m_gamedef = gamedef; }
Environment* getEnv() { return m_environment; }
void setEnv(Environment* env) { m_environment = env; }
#ifndef SERVER
GUIEngine* getGuiEngine() { return m_guiengine; }
void setGuiEngine(GUIEngine* guiengine) { m_guiengine = guiengine; }
#endif
void objectrefGetOrCreate(lua_State *L, ServerActiveObject *cobj);
void pushPlayerHPChangeReason(lua_State *L, const PlayerHPChangeReason& reason);
std::recursive_mutex m_luastackmutex;
std::string m_last_run_mod;
bool m_secure = false;
#ifdef SCRIPTAPI_LOCK_DEBUG
int m_lock_recursion_count{};
std::thread::id m_owning_thread;
#endif
private:
static int luaPanic(lua_State *L);
lua_State *m_luastack = nullptr;
IGameDef *m_gamedef = nullptr;
Environment *m_environment = nullptr;
#ifndef SERVER
GUIEngine *m_guiengine = nullptr;
#endif
ScriptingType m_type;
};
|
