Merge branch 'lua-minmax-plus' into 'next'

Let Lua cvars use preset values in addition to MIN and MAX

See merge request STJr/SRB2!1480
This commit is contained in:
LJ Sonic 2021-04-26 06:06:58 -04:00
commit 7d167f531b
1 changed files with 34 additions and 2 deletions

View File

@ -361,6 +361,9 @@ static int lib_cvRegisterVar(lua_State *L)
size_t count = 0;
CV_PossibleValue_t *cvpv;
const char * const MINMAX[2] = {"MIN", "MAX"};
int minmax_unset = 3;
lua_pushnil(L);
while (lua_next(L, 4)) {
count++;
@ -377,16 +380,45 @@ static int lib_cvRegisterVar(lua_State *L)
i = 0;
lua_pushnil(L);
while (lua_next(L, 4)) {
INT32 n;
const char * strval;
// stack: [...] PossibleValue table, index, value
// 4 5 6
if (lua_type(L, 5) != LUA_TSTRING
|| lua_type(L, 6) != LUA_TNUMBER)
FIELDERROR("PossibleValue", "custom PossibleValue table requires a format of string=integer, i.e. {MIN=0, MAX=9999}");
cvpv[i].strvalue = Z_StrDup(lua_tostring(L, 5));
cvpv[i].value = (INT32)lua_tonumber(L, 6);
strval = lua_tostring(L, 5);
if (
stricmp(strval, MINMAX[n=0]) == 0 ||
stricmp(strval, MINMAX[n=1]) == 0
){
/* need to shift forward */
if (minmax_unset == 3)
{
memmove(&cvpv[2], &cvpv[0],
i * sizeof *cvpv);
}
cvpv[n].strvalue = MINMAX[n];
minmax_unset &= ~(1 << n);
}
else
{
n = i;
cvpv[n].strvalue = Z_StrDup(strval);
}
cvpv[n].value = (INT32)lua_tonumber(L, 6);
i++;
lua_pop(L, 1);
}
if (minmax_unset)
FIELDERROR("PossibleValue", "custom PossibleValue table requires requires both MIN and MAX keys if one is present");
cvpv[i].value = 0;
cvpv[i].strvalue = NULL;
cvar->PossibleValue = cvpv;