[Freeciv-Dev] Re: (PR#9737) team (human+ai) causes problems when researching [freeciv #9737]

["Per I. Mathisen" <per@xxxxxxxxxxx>]

<URL: http://rt.freeciv.org/Ticket/Display.html?id=9737 >

On Thu, 19 Aug 2004, Mattias Linde wrote:
> On Thu, 19 Aug 2004, Per I. Mathisen wrote:
> >On Thu, 19 Aug 2004, Mattias Linde wrote:
> > > I'v found a problem with techs when in team with AI.

This patch should fix the problem. Not tested.

  - Per

Index: server/plrhand.c
===================================================================
RCS file: /home/freeciv/CVS/freeciv/server/plrhand.c,v
retrieving revision 1.317
diff -u -r1.317 plrhand.c
--- server/plrhand.c    14 Aug 2004 19:41:24 -0000      1.317
+++ server/plrhand.c    19 Aug 2004 22:02:07 -0000
@@ -453,11 +453,18 @@
         && plr->diplstates[aplayer->player_no].type == DS_TEAM
         && aplayer->is_alive
         && get_invention(aplayer, tech_found) != TECH_KNOWN) {
-      notify_player_ex(aplayer, -1, -1, E_TECH_LEARNED,
-                       _("Game: Learned %s in cooperation with %s. "
-                         "Scientists choose to research %s."),
-                       advances[tech_found].name, plr->name,
-                       get_tech_name(plr, plr->research.researching));
+      if (tech_exists(plr->research.researching)) {
+        notify_player_ex(aplayer, -1, -1, E_TECH_LEARNED,
+                         _("Game: Learned %s in cooperation with %s. "
+                           "Scientists choose to research %s."),
+                         advances[tech_found].name, plr->name,
+                         get_tech_name(plr, plr->research.researching));
+      } else {
+        notify_player_ex(aplayer, -1, -1, E_TECH_LEARNED,
+                         _("Game: Learned %s in cooperation with %s. "
+                           "Scientists do not know what to research next."),
+                         advances[tech_found].name, plr->name);
+      }
       found_new_tech(aplayer, tech_found, was_discovery, saving_bulbs,
                      plr->research.researching);
     }