LunaCON: accept empty square brackets for {g,s}etuserdef optional index part.

git-svn-id: https://svn.eduke32.com/eduke32@4287 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/eduke32/source/lunatic/lunacon.lua

@@ -1852,6 +1852,8 @@ end
 -- is kinda breaking the classic "no array nesting" rules
 -- (if there ever were any) but making our life harder else.
 local arraypat = sp0 * "[" * sp0 * tok.rvar * sp0 * "]"
+-- For {get,set}userdef:
+local arraypat_maybe_empty = sp0 * "[" * sp0 * (tok.rvar * sp0)^-1 * "]"
 
 -- Table of various patterns that are (parts of) more complex inner commands.
 local patt = {}
@@ -2263,7 +2265,8 @@ local handle =
     soundonce = "_con._soundonce(_aci,%1)",
 }
 
-local userdef_common_pat = (arraypat + sp1)/{} * lpeg.Cc(0) * lpeg.Ct(patt.singlemember) * sp1
+local userdef_common_pat = (arraypat_maybe_empty + sp1)/{}
+    * lpeg.Cc(0) * lpeg.Ct(patt.singlemember) * sp1
 
 -- NOTE about prefixes: most is handled by all_alt_pattern(), however commands
 -- that have no arguments and that are prefixes of other commands MUST be

polymer/eduke32/source/lunatic/test/getuserdef.con

@@ -1,16 +1,26 @@
-// XXX: should be allowed to override existing modes? (Probably yes.)
-// XXX: but currently, this ensues badness? (g_numGametypes becomes inconsistent?)
-definegametype 0 46051 Cooperative
+definegametype 0 46051 Cooperative, not Dukematch
+
+// NOTE: we need to define the rest anew too (or at least #4), because
+//  'definegametype' does "g_numGametypes = idx+1", as opposed to
+//  "g_numGametypes = max(g_numGametypes, idx+1)".
+definegametype 1 46051 Cooperative
+definegametype 2 16410 Dukematch (no spawn)
+definegametype 3 216088 Team Dukematch
+definegametype 4 213018 Team Dukematch (no spawn)
 
 gamevar temp 0 0
 
 // Original version by Fox, from
 // http://forums.duke4.net/topic/775-eduke32-20-and-polymer/page__view__findpost__p__183890
 onevent EVENT_DISPLAYREST
-//    getuserdef[THISACTOR].statusbarscale temp
-    // NOTE: index (THISACTOR) is never used.
-    // NOTE: incorrect if screenpeek != myconnectindex, e.g. by pressing [K]:
+    // Notes:
+    //  - index (THISACTOR) is never used.
+    //  - incorrect if screenpeek != myconnectindex, e.g. by pressing [K]:
+    //  - all three are equivalent:
+    getuserdef[THISACTOR].statusbarscale temp
     getuserdef .statusbarscale temp
+    getuserdef[].statusbarscale temp
+
     redefinequote 0 %ld
     qsprintf 0 0 temp
     gametext STARTALPHANUM 10 10 0 0 0 0 0 0 xdim ydim