aboutsummaryrefslogtreecommitdiff
path: root/src/script/cpp_api/s_mainmenu.cpp
blob: 5c54f7368668facb78d029b956996e59ff9354b1 (plain)
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
/*
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.
*/

#include "cpp_api/s_mainmenu.h"
#include "cpp_api/s_internal.h"
#include "common/c_converter.h"

void ScriptApiMainMenu::setMainMenuErrorMessage(std::string errormessage)
{
	SCRIPTAPI_PRECHECKHEADER

	lua_getglobal(L, "gamedata");
	int gamedata_idx = lua_gettop(L);
	lua_pushstring(L, "errormessage");
	lua_pushstring(L, errormessage.c_str());
	lua_settable(L, gamedata_idx);
	lua_pop(L, 1);
}

void ScriptApiMainMenu::handleMainMenuEvent(std::string text)
{
	SCRIPTAPI_PRECHECKHEADER

	lua_pushcfunction(L, script_error_handler);
	int errorhandler = lua_gettop(L);

	// Get handler function
	lua_getglobal(L, "engine");
	lua_getfield(L, -1, "event_handler");
	lua_remove(L, -2); // Remove engine
	if(lua_isnil(L, -1)) {
		lua_pop(L, 1); // Pop event_handler
		return;
	}
	luaL_checktype(L, -1, LUA_TFUNCTION);

	// Call it
	lua_pushstring(L, text.c_str());
	if(lua_pcall(L, 1, 0, errorhandler))
		scriptError();
	lua_pop(L, 1); // Pop error handler
}

void ScriptApiMainMenu::handleMainMenuButtons(std::map<std::string, std::string> fields)
{
	SCRIPTAPI_PRECHECKHEADER

	lua_pushcfunction(L, script_error_handler);
	int errorhandler = lua_gettop(L);

	// Get handler function
	lua_getglobal(L, "engine");
	lua_getfield(L, -1, "button_handler");
	lua_remove(L, -2); // Remove engine
	if(lua_isnil(L, -1)) {
		lua_pop(L, 1); // Pop button handler
		return;
	}
	luaL_checktype(L, -1, LUA_TFUNCTION);

	// Convert fields to lua table
	lua_newtable(L);
	for(std::map<std::string, std::string>::const_iterator
		i = fields.begin(); i != fields.end(); i++){
		const std::string &name = i->first;
		const std::string &value = i->second;
		lua_pushstring(L, name.c_str());
		lua_pushlstring(L, value.c_str(), value.size());
		lua_settable(L, -3);
	}

	// Call it
	if(lua_pcall(L, 1, 0, errorhandler))
		scriptError();
	lua_pop(L, 1); // Pop error handler
}
) { c2 = is.get(); if(is.eof()) throw SerializationError("JSON string ended prematurely"); switch(c2) { default: os<<c2; break; case 'b': os<<'\b'; break; case 'f': os<<'\f'; break; case 'n': os<<'\n'; break; case 'r': os<<'\r'; break; case 't': os<<'\t'; break; case 'u': { char hexdigits[4+1]; is.read(hexdigits, 4); if(is.eof()) throw SerializationError("JSON string ended prematurely"); hexdigits[4] = 0; std::istringstream tmp_is(hexdigits, std::ios::binary); int hexnumber; tmp_is >> std::hex >> hexnumber; os<<((char)hexnumber); break; } } } else { os<<c; } } return os.str(); }