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

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Fix bugs with preset values in lua cvars

See merge request STJr/SRB2!1484
This commit is contained in:
Krabs 2023-10-31 05:36:56 +00:00
commit cec5338f7c
1 changed files with 35 additions and 3 deletions
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38
src/lua_consolelib.c
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@ -374,6 +374,9 @@ 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))
{
@ -392,16 +395,45 @@ static int lib_cvRegisterVar(lua_State *L)
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);
i++;
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);
i += 2;
}
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);
lua_pop(L, 1);
}
if (minmax_unset && minmax_unset != 3)
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;