我用LuaBind在C ++中用Lua代码包装什么代码？ [英] What code do I wrap around Lua code in C++ with LuaBind?
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问题描述
我终于得到LuaBind配置为与我的C + +项目。我最近发现，Tiled地图编辑器有一个选项将文件导出为.lua，所以我想试试看。下面的代码是否可以用于我的C ++ RPG项目？
return {
version =1.1，
luaversion =5.1，
orientation =orthogonal，
width = 24，
height = 20，
tilewidth =
tileheight = 16，
properties = {}，
tilesets = {
{
name =PALLET TOWN，
firstgid = 1，
tilewidth = 16，
tileheight = 16，
spacing = 0，
margin = 0，
image =PALLET TOWN.bmp，
imagewidth = 384 ，
imageheight = 320，
properties = {}，
tiles = {}
}
}，
layers = {
{
type =tilelayer，
name =Tile Layer 1，
x = 0，
y = 0，
width = 24，
height = 20 ，
visible = true，
opacity = 1，
properties = {}，
encoding =lua，
data = {
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 ，166,167,168，
169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188 ，189，190，191，192，
193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211 ，212,213,214,215,216，
217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234 ，235,236,237,238,239,240，
241，242，243，244，245，246，247，248，249，250，251，252，253，254，255，256，257 ，258,259,260,261,262,263,264，
265，266，267，268，269，270，271，272，273，274，275，276，277，278，279，280 ，281,282,283,284,285,286,287,288，
289，290，291，292，293，294，295，296，297，298，299，300，301，302，303 ，304,305,306,307,308,309,310,311,312，
313,314,315,316,317,318,319,320,321,322,323,324,325,326 ，327,328,329,330,331,332,333,334,335,336，
337，338，339，340，341，342，343，344，345，346，347，348，349 ，350,351,352,353,354,355,356,357,358,359,360，
361，362，363，364，365，366，367，368，369，370，371，372 ，373,374,375,376,377,378,379,380,381,382,383,384，
385，386，387，388，389，390，391，392，393，394，395 ，396,397,398,399,400,401,402,403,404,405,406,407,408，
409,410,411,412,413,414,415,416，417,418 ，419,420,421,422,423,424,425,426,427,428,429,430,431,432，
433，434，435，436，437，438，439，440，441 ，442,443,444,445,446,447,448,449,450,451,452,453,454,455,456，
457，458,459,460,461,462,463,464 ，465，466，467，468，469，470，471，472，473，474，475，476，477，478，479，480
}
}
} $ b b}
解决方案
警告：我的回答可能是nooby
首先，删除属于以下内容的 return 和{}回报。
现在把它放到你的程序可以找到的地方。
现在来到luabind部分（luabind对这种工作不是真正必要的，但我会使用它，因为它是一个很好的做法）。
让我们看看你的主程序使用这些值叫做 stage
，调用 load 。
从头开始：
externC
{
#include< lua.h>
#include< lualib.h>
#include< lauxlib.h>
}
#include.\luabind\luabind.hpp
#include< iostream>
class Stage
{
public：
Stage（）;
Stage（string stage_name）;
//阶段用于运行的方法
static void _load（< a input of input
或任何你希望传递信息的方式>，
intptr_t stage） ; / * static for luabind intptr_t设计为
以保持int形式的指针。* /
void load（< a input of input或者你想要传递信息的任何方式>）;
〜Stage（）;
private：
//很多你想要的值。
}
在cpp文件中，开始游戏：
void _load（<输入表
或任何你想要传输的方式信息>表，
intptr_t stage）
{
Stage * stage =（Stage *）stg; // intptr_t back to pointer
stage-> load（table）;
}
void Stage：load（< a input of input
或任何你想传递信息的表>表）
{
< load infos into your variable>
}
Stage（string stage_name）
{
intptr_t stage =（intptr_t）* this;
//创建一个新的lua状态
lua_State * myLuaState = luaL_newstate（）;
//将LuaBind连接到这个lua状态
luabind :: open（myLuaState）;
luaL_openlibs（myLuaState）;
luabind :: module（myLuaState）[
luabind :: def（load，& _load）
];
luabind :: globals（myLuaState）[stage] = stage; //给指针指向lua
stringstream fileadd< < candidate address here> ;;
lual_dofile（myLuaState，fileadd）;
lua_close（myLuaState）; /我们不需要lua /
< start your game>
}
lua示例：
<您的原始档案无返回>
<将它放入表或某事>
- load是在您的阶段启动后的可调用文件cpp
- stage是传递给lua的指针
load（< table of information> stage）
这取决于你如何传递变量，但我认为这个方法应该可以正常工作， / p>
I finally got LuaBind configured to work with my C++ project. I recently found out that the Tiled map editor has an option to export the files as a .lua, so I wanted to try it out. What code would I wrap around the pasted code below to have it work with my C++ RPG project?
return {
version = "1.1",
luaversion = "5.1",
orientation = "orthogonal",
width = 24,
height = 20,
tilewidth = 16,
tileheight = 16,
properties = {},
tilesets = {
{
name = "PALLET TOWN",
firstgid = 1,
tilewidth = 16,
tileheight = 16,
spacing = 0,
margin = 0,
image = "PALLET TOWN.bmp",
imagewidth = 384,
imageheight = 320,
properties = {},
tiles = {}
}
},
layers = {
{
type = "tilelayer",
name = "Tile Layer 1",
x = 0,
y = 0,
width = 24,
height = 20,
visible = true,
opacity = 1,
properties = {},
encoding = "lua",
data = {
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, 168,
169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192,
193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216,
217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240,
241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264,
265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288,
289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312,
313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336,
337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360,
361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384,
385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408,
409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432,
433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456,
457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480
}
}
}
}
解决方案
Warning: My answer might be nooby since I'm the kind prefer more work and less complicates.
first, remove the return and {} that belong to the return.
now put it to a place that your program can find it.
now come to the luabind part(luabind is not really necessary for this kind of job, but i will use it since it's a good practice for you).
let's see your main program that uses these values is called stage
and there is a loader method called load.
Start with the header:
extern "C"
{
#include <lua.h>
#include <lualib.h>
#include <lauxlib.h>
}
#include ".\luabind\luabind.hpp"
#include <iostream>
class Stage
{
public:
Stage();
Stage(string stage_name);
// the methods that stage use to run
static void _load(<a table of input
or whatever the way you want to transfer the information>,
intptr_t stage);/* static for luabind intptr_t is designed
to hold pointer in int form.*/
void load(<a table of input or whatever the way you want to transfer the information>);
~Stage();
private:
//lot of values that you want.
}
And in the cpp file, you well want load in the start of the game:
void _load(<a table of input
or whatever the way you want to transfer the information> table,
intptr_t stage)
{
Stage* stage = (Stage*)stg; // intptr_t back to pointer
stage->load(table);
}
void Stage:load(<a table of input
or whatever the way you want to transfer the information> table)
{
<load infos into your variable>
}
Stage(string stage_name)
{
intptr_t stage = (intptr_t)*this;
// Create a new lua state
lua_State *myLuaState = luaL_newstate();
// Connect LuaBind to this lua state
luabind::open(myLuaState);
luaL_openlibs(myLuaState);
luabind::module(myLuaState)[
luabind::def("load", &_load)
];
luabind::globals(myLuaState)["stage"] = stage;// give the pointer to lua
stringstream fileadd << <candidate address here>;
lual_dofile(myLuaState, fileadd);
lua_close(myLuaState);/we don't need lua anymore/
<start your game>
}
Example of lua:
<your origin file without return>
<put it into a table or something>
-- load is a callable file after it's launched with your stage cpp
-- stage is the pointer that passed to lua
load(<table of information>, stage)
It's up to you how to pass the variables, but I think this method should works fine, just lots works?
More information about pointer and luabind
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