[Freeciv-Dev] Civ 2 Style Fighters

[Raahul Kumar <raahul_da_man@xxxxxxxxx>]

The previous version was the wrong diff. This is the correct one. Enjoy.

According to the Civ 2 Manual:

When a Fighter or Stealth Fighter is stationed in a city that is attacked by
air units other than a fighter, the defending units scramble, gaining a defence
factor four times their normal value. However, they gain no additional
protection from SAM Missile Batteries(because the SAMs don't want to down their
own planes).

This patch implements Civ 2 style fighters.

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diff -ruN -Xdiff_ignore cvs-freeciv/common/combat.c freeciv/common/combat.c
--- cvs-freeciv/common/combat.c Mon Apr  8 09:22:50 2002
+++ freeciv/common/combat.c     Mon Apr  8 11:14:17 2002
@@ -330,8 +330,14 @@
        (is_air_unittype(att_type) || is_heli_unittype(att_type))) {
       defensepower *= 5;
     }
+    
+    if (unit_type_flag(def_type, F_FIGHTER) &&
+       (is_air_unittype(att_type) || is_heli_unittype(att_type))) {
+      defensepower *= 4;
+    }
 
-    if (is_air_unittype(att_type) && pcity) {
+    if (is_air_unittype(att_type) && pcity && 
+    (!unit_type_flag(def_type, F_FIGHTER))) {
       if (city_got_building(pcity, B_SAM)) {
        defensepower *= 2;
       }