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#sector.lines now returns the number of linedefs in the sector

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Monster Iestyn 2016-01-20 16:03:17 +00:00
parent 79e3e2351d
commit 5abdb08a25
1 changed files with 20 additions and 0 deletions
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20
src/lua_maplib.c
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@ -306,6 +306,23 @@ static int sectorlines_get(lua_State *L)
return 1; return 1;
} }
static int sectorlines_num(lua_State *L)
{
line_t **seclines = *((line_t ***)luaL_checkudata(L, 1, META_SECTORLINES));
size_t numoflines = 0;
// check first linedef to figure which of its sectors owns this sector->lines pointer
// then check that sector's linecount to get a maximum index
//if (!seclines[0])
//return luaL_error(L, "no lines found!"); // no first linedef?????
if (seclines[0]->frontsector->lines == seclines)
numoflines = seclines[0]->frontsector->linecount;
else if (seclines[0]->backsector && seclines[0]->backsector->lines == seclines) // check backsector exists first
numoflines = seclines[0]->backsector->linecount;
//if neither sector has it then ???
lua_pushinteger(L, numoflines);
return 1;
}
static int sector_get(lua_State *L) static int sector_get(lua_State *L)
{ {
sector_t *sector = *((sector_t **)luaL_checkudata(L, 1, META_SECTOR)); sector_t *sector = *((sector_t **)luaL_checkudata(L, 1, META_SECTOR));
@ -1282,6 +1299,9 @@ int LUA_MapLib(lua_State *L)
luaL_newmetatable(L, META_SECTORLINES); luaL_newmetatable(L, META_SECTORLINES);
lua_pushcfunction(L, sectorlines_get); lua_pushcfunction(L, sectorlines_get);
lua_setfield(L, -2, "__index"); lua_setfield(L, -2, "__index");
lua_pushcfunction(L, sectorlines_num);
lua_setfield(L, -2, "__len");
lua_pop(L, 1); lua_pop(L, 1);
luaL_newmetatable(L, META_SECTOR); luaL_newmetatable(L, META_SECTOR);