Refactor out the junk randomizer and put it in rituals where it belongs.

rituals.cpp

@@ -196,4 +196,25 @@ namespace ritual {
       contents.erase(item_id);
     }
   }
+
+  JunkPile random_junk(components::GameConfig &config, int count) {
+    dbc::check(count > 0, "cant' call random_junk with count < 0");
+    // this means the entity dropped loot, so make a lootable tombstone
+    ritual::JunkPile pile;
+    auto& junk = config.rituals["junk"];
+
+    ritual::JunkPile select_from;
+    for(auto& el : junk.items()) {
+      select_from.contents.push_back(el.key());
+    }
+
+    for(int i = 0; i < count; i++) {
+      size_t max_junk = select_from.contents.size();
+      auto& item = select_from.contents.at(Random::uniform(size_t(0), max_junk-1));
+      pile.contents.push_back(item);
+    }
+
+    dbc::check(pile.contents.size() > 0, "ritual::random_junk returned junk size == 0");
+    return pile;
+  }
 }

rituals.hpp

@@ -2,6 +2,7 @@
 #include "goap.hpp"
 #include "ai.hpp"
 #include "config.hpp"
+#include "components.hpp"
 
 namespace ritual {
   using JunkItem = std::string;
@@ -96,4 +97,6 @@ namespace ritual {
     bool no_selections();
     void consume_crafting();
   };
+
+  JunkPile random_junk(components::GameConfig& config, int count);
 }

systems.cpp

@@ -144,20 +144,7 @@ void System::distribute_loot(GameLevel &level, Position target_pos) {
   auto loot_entity = world.entity();
 
   if(inventory_count > 0) {
-    // this means the entity dropped loot, so make a lootable tombstone
-    ritual::JunkPile pile;
-    auto& junk = config.rituals["junk"];
-
-    ritual::JunkPile select_from;
-    for(auto& el : junk.items()) {
-      select_from.contents.push_back(el.key());
-    }
-
-    for(int i = 0; i < inventory_count; i++) {
-      size_t max_junk = select_from.contents.size();
-      auto& item = select_from.contents.at(Random::uniform(size_t(0), max_junk-1));
-      pile.contents.push_back(item);
-    }
+    auto pile = ritual::random_junk(config, inventory_count);
 
     auto entity_data = config.devices["GRAVE_STONE"];
     components::configure_entity(world, loot_entity, entity_data["components"]);