Only allow one living monster_spawn per location

1 files changed, 6 insertions, 2 deletions

diff --git a/app/lib/activity_processor.rb b/app/lib/activity_processor.rb
index 4ba3609..d3bf5cb 100644
--- a/app/lib/activity_processor.rb
+++ b/app/lib/activity_processor.rb
@@ -118,8 +118,12 @@ class ActivityProcessor
         when "create_monster_spawn"
           next if rand > (result[:chance] || 1)
           monster = Monster.find_by_gid(result[:gid])
-          MonsterSpawn.create(monster: monster, location: @character.location)
-          @results.push({ type: type, monster: monster })
+          monster_spawn = MonsterSpawn.new(monster: monster, location: @character.location)
+          if monster_spawn.save
+            @results.push({ type: type, monster: monster })
+          else
+            @results.push({ type: "message", body: "A leviathan did not appear since there is already a leviathan at #{@character.location.name}." })
+          end
         else
           raise "Invalid result type (#{type})" # TODO: Improve this.
         end