Create Formicid species and monsters.

Tavern post:
https://crawl.develz.org/tavern/viewtopic.php?f=8&t=8298

Wierdness & mutations:
- poison weakness
- retractable antennae (can wear headgear and ignore mutation)
- chitin skin (+3 AC)
- most weapons 1-handed, big weapons 2-handed
- permanent stasis
- ability to shaft self
- ability to dig
- Starts with 2 curing pots

3 monster versions of formicids were added:
formicid, a weak fighter
formicid drone, a stronger fighter
formicid venom mage, a magician with olgreb's and mass cure poison

[ Pushing to a branch for experimental playtesting on CSZO.
  Also optimised the new tiles. -nfm ]

1 files changed, 4 insertions, 3 deletions

diff --git a/crawl-ref/source/itemprop.h b/crawl-ref/source/itemprop.h
index d4cbe67020..54fc185e94 100644
--- a/crawl-ref/source/itemprop.h
+++ b/crawl-ref/source/itemprop.h
@@ -89,9 +89,10 @@ int weapon_rarity(int w_type) IMMUTABLE;
 int   cmp_weapon_size(const item_def &item, size_type size) PURE;
 bool  check_weapon_wieldable_size(const item_def &item, size_type size) PURE;
 
-hands_reqd_type hands_reqd(const item_def &item, size_type size) PURE;
-hands_reqd_type hands_reqd(object_class_type base_type, int sub_type,
-                           size_type size) IMMUTABLE;
+size_type weapon_size(const item_def &item) PURE;
+
+hands_reqd_type basic_hands_reqd(const item_def &item, size_type size) PURE;
+hands_reqd_type hands_reqd(const actor* ac, object_class_type base_type, int sub_type);
 
 bool is_giant_club_type(int wpn_type) IMMUTABLE;