Improve Malign Gateway.

Done:
	* Portal now appears without tentacles, and generates clouds of
	  translocational energy before the tentacle appears.
	* Portal is no longer a traversible square. This is somewhat
	  hackish but it works. Currently, the only monsters that will
	  enter it will be the actual tentacles themselves; if the
	  player attempts to enter, they will be harmed and blinked away
	  (there should be a prompt before entering).

To-do:
	* Chance of the tentacle being hostile to start.
	* Portal only generates surrounded by open squares.
	* Tentacle eventually turns hostile.
	* Tentacle speed and name (moving from demonic towards
	  "alien"-esque).

I'd rather push what has been done now than have to merge any massive
future changes as before.

1 files changed, 22 insertions, 0 deletions

diff --git a/crawl-ref/source/mapmark.h b/crawl-ref/source/mapmark.h
index 0668cec09a..0b5afc4207 100644
--- a/crawl-ref/source/mapmark.h
+++ b/crawl-ref/source/mapmark.h
@@ -121,6 +121,28 @@ public:
     int duration, source, target;
 };
 
+class map_malign_gateway_marker : public map_marker
+{
+public:
+    map_malign_gateway_marker (const coord_def& pos = coord_def(0, 0),
+                    int dur = 0, bool ip = false, monster* mon = NULL,
+                    god_type gd = GOD_NO_GOD, int pow = 0);
+
+    void write (writer &) const;
+    void read (reader &);
+    map_marker *clone() const;
+    std::string debug_describe() const;
+
+    static map_marker *read(reader &, map_marker_type);
+
+public:
+    int duration;
+    bool is_player;
+    monster* caster;
+    god_type god;
+    int power;
+};
+
 // A marker powered by Lua.
 class map_lua_marker : public map_marker, public dgn_event_listener
 {