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Add capability to read table flag fields from Lua API

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This commit is contained in:
kwolekr 2014-02-09 12:38:50 -05:00
parent 57710520dc
commit 2a01050a0c
7 changed files with 83 additions and 3 deletions
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41
src/script/common/c_content.cpp
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@ -842,8 +842,45 @@ void push_hit_params(lua_State *L,const HitParams &params)
u32 getflagsfield(lua_State *L, int table, const char *fieldname,
FlagDesc *flagdesc, u32 *flagmask)
{
std::string flagstring = getstringfield_default(L, table, fieldname, "");
return readFlagString(flagstring, flagdesc, flagmask);
u32 flags = 0;
lua_getfield(L, table, fieldname);
if (lua_isstring(L, -1)) {
std::string flagstr = lua_tostring(L, -1);
flags = readFlagString(flagstr, flagdesc, flagmask);
} else if (lua_istable(L, -1)) {
flags = read_flags_table(L, -1, flagdesc, flagmask);
}
lua_pop(L, 1);
return flags;
}
u32 read_flags_table(lua_State *L, int table, FlagDesc *flagdesc, u32 *flagmask)
{
u32 flags = 0, mask = 0;
char fnamebuf[64] = "no";
for (int i = 0; flagdesc[i].name; i++) {
bool result;
if (getboolfield(L, table, flagdesc[i].name, result)) {
mask |= flagdesc[i].flag;
if (result)
flags |= flagdesc[i].flag;
}
strlcpy(fnamebuf + 2, flagdesc[i].name, sizeof(fnamebuf) - 2);
if (getboolfield(L, table, fnamebuf, result))
mask |= flagdesc[i].flag;
}
if (flagmask)
*flagmask = mask;
return flags;
}
/******************************************************************************/