new zombie: necro-boomer

data/json/monstergroups/zombies.json

@@ -294,7 +294,8 @@
     "default": "mon_zombie_gasbag",
     "monsters": [
       { "monster": "mon_zombie_gasbag", "freq": 20, "cost_multiplier": 0 },
-      { "monster": "mon_boomer", "freq": 480, "cost_multiplier": 2 }
+      { "monster": "mon_boomer", "freq": 480, "cost_multiplier": 2 },
+      { "monster": "mon_zombie_necro_boomer", "freq": 1, "cost_multiplier": 27 }
     ]
   },
   {
@@ -335,6 +336,7 @@
       { "monster": "mon_zombie_shrieker", "freq": 45, "cost_multiplier": 5 },
       { "monster": "mon_zombie_acidic", "freq": 45, "cost_multiplier": 2 },
       { "monster": "mon_zombie_necro", "freq": 8, "cost_multiplier": 25 },
+      { "monster": "mon_zombie_necro_boomer", "freq": 6, "cost_multiplier": 27 },
       { "monster": "mon_boomer", "freq": 45, "cost_multiplier": 5 },
       { "monster": "mon_zombie_brute", "freq": 23, "cost_multiplier": 15 },
       { "monster": "mon_zombie_master", "freq": 2, "cost_multiplier": 30 },

data/json/monsters/zed_misc.json

@@ -707,6 +707,15 @@
       "FILTHY"
     ]
   },
+  {
+    "id": "mon_zombie_necro_boomer",
+    "type": "MONSTER",
+    "name": { "str": "zombie necro-boomer" },
+    "description": "At first this creature looks like nothing more than a grotesque and oleaginous husk, bloated and punctured by jet-black pustules.  When approached its glowing red eyes and an aching grin take form; its skin tears and guts teem with unmatched fecundity, as its gaze inspires fear of nothing less than cosmic, inhuman ecstasy.",
+    "copy-from": "mon_zombie_necro",
+    "diff": 25,
+    "death_function": [ "NECRO_BOOMER" ]
+  },
   {
     "id": "mon_zombie_runner",
     "type": "MONSTER",

src/mondeath.cpp

@@ -899,3 +899,27 @@ void mdeath::conflagration( monster &z )
     sounds::sound( z.pos(), 24, sounds::sound_t::combat, explode, false, "explosion", "small" );
 
 }
+
+void mdeath::necro_boomer( monster &z )
+{
+    std::string explode = string_format( _( "a %s explodes!" ), z.name() );
+    sounds::sound( z.pos(), 24, sounds::sound_t::combat, explode, false, "explosion", "small" );
+    for( const tripoint &aoe : g->m.points_in_radius( z.pos(), 10 ) ) {
+        for( item &corpse : g->m.i_at( aoe ) ) {
+            if( !corpse.is_corpse() ) {
+                continue;
+            }
+            if( g->revive_corpse( aoe, corpse ) ) {
+                g->m.i_rem( aoe, &corpse );
+                break;
+            }
+        }
+    }
+    for( const tripoint &aoe : g->m.points_in_radius( z.pos(), 10 ) ) {
+        monster *mon = g->critter_at<monster>( aoe );
+        if( mon != nullptr && one_in( 10 ) ) {
+            mon->allow_upgrade();
+            mon->try_upgrade( false );
+        }
+    }
+}

src/mondeath.h

@@ -80,6 +80,8 @@ void preg_roach( monster &z );
 void fireball( monster &z );
 // Similar to above but bigger and guaranteed.
 void conflagration( monster &z );
+// raises and then upgrades all zombies in a radius
+void necro_boomer( monster &z );
 
 // Game over!  Defense mode
 void gameover( monster &z );

src/monstergenerator.cpp

@@ -501,6 +501,8 @@ void MonsterGenerator::init_death()
     death_map["FIREBALL"] = &mdeath::fireball;
     // Explode in a huge fireball
     death_map["CONFLAGRATION"] = &mdeath::conflagration;
+    // resurrect all zombies in the area and upgrade all zombies in the area
+    death_map["NECRO_BOOMER"] = &mdeath::necro_boomer;
 
     /* Currently Unimplemented */
     // Screams loudly