From 19cb44149e5c4d8be27afb948097b43b441adb0d Mon Sep 17 00:00:00 2001
From: David Gay <david@davidgay.org>
Date: Sun, 6 Jun 2021 19:39:22 -0400
Subject: Awarding items and XP for leviathans

---
 app/models/monster_spawn.rb        | 11 ------
 app/models/monster_spawn_combat.rb | 70 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+), 11 deletions(-)

(limited to 'app/models')

diff --git a/app/models/monster_spawn.rb b/app/models/monster_spawn.rb
index d34e390..4423557 100644
--- a/app/models/monster_spawn.rb
+++ b/app/models/monster_spawn.rb
@@ -3,7 +3,6 @@ class MonsterSpawn < ApplicationRecord
   belongs_to :location
   has_many :monster_spawn_combats
 
-  after_update :check_hp
   after_create :send_chat_message
 
   def alive?
@@ -22,14 +21,4 @@ class MonsterSpawn < ApplicationRecord
         ChatRoomChannel.broadcast_chat_message(chat_message)
       end
     end
-
-    def check_hp
-      if alive?
-        chat_message = ChatMessage.new(body: "The #{monster.name} in #{location.name} has been slain!",
-                                       chat_room: ChatRoom.find_by_gid("news"))
-        if chat_message.save
-          ChatRoomChannel.broadcast_chat_message(chat_message)
-        end
-      end
-    end
 end
diff --git a/app/models/monster_spawn_combat.rb b/app/models/monster_spawn_combat.rb
index 50a565b..7ad06c8 100644
--- a/app/models/monster_spawn_combat.rb
+++ b/app/models/monster_spawn_combat.rb
@@ -3,4 +3,74 @@ class MonsterSpawnCombat < ApplicationRecord
   belongs_to :character
 
   validates :hp_lost, numericality: { greater_than_or_equal_to: 0, only_integer: true }
+
+  after_create :check_hp
+
+  private
+    def check_hp
+      return if monster_spawn.alive?
+      monster = monster_spawn.monster
+      message_body_parts = {}
+
+      # TODO: HACK (should allow multiple xp awards, eventually)
+      xp_award_data = monster.whatnot[:awards].find { |a| a[:type] == "xp" }
+      involved_character_ids = MonsterSpawnCombat.where(monster_spawn: monster_spawn).pluck(:character_id).uniq
+      involved_characters = Character.where(id: involved_character_ids)
+      involved_characters.each do |character|
+        total_xp = xp_award_data[:base] * MonsterSpawnCombat.where(monster_spawn: monster_spawn, character: character).count
+        character.add_skill_xp(xp_award_data[:gid], total_xp)
+        message_body_parts[character.id] ||= []
+        message_body_parts[character.id].push("You got #{total_xp} #{Skill.find_by_gid(xp_award_data[:gid]).name} XP.")
+      end
+
+      monster.whatnot[:awards]&.each do |data|
+        case data[:type]
+        when "item"
+          return if rand > (data[:chance] || 1)
+
+          if data[:table]
+            table_roll = rand
+
+            data[:table].sort_by { |t| -t[:score] }.each do |table_entry|
+              min_quantity = table_entry[:min_quantity] || table_entry[:quantity] || 1
+              max_quantity = table_entry[:max_quantity] || table_entry[:quantity] || 1
+              quantity = rand(min_quantity..max_quantity)
+
+              score = table_entry[:score]
+
+              if table_roll >= score
+                winning_character = involved_characters.sample
+                item = Item.find_by_gid(data[:gid])
+                winning_character.shift_item(item, quantity)
+                message_body_parts[winning_character.id] ||= []
+                message_body_parts[winning_character.id].push("You got #{quantity} #{item.name}.k")
+                break
+              end
+            end
+          else
+            min_quantity = data[:min_quantity] || data[:quantity] || 1
+            max_quantity = data[:max_quantity] || data[:quantity] || 1
+            quantity = rand(min_quantity..max_quantity)
+            winning_character = involved_characters.sample
+            item = Item.find_by_gid(data[:gid])
+            winning_character.shift_item(item, quantity)
+            message_body_parts[winning_character.id] ||= []
+            message_body_parts[winning_character.id].push("You got #{quantity} #{item.name}.")
+            break
+          end
+        end
+      end
+
+      message_body_parts.each do |character_id, body_parts|
+        if body_parts.any?
+          Message.create(recipient_id: character_id, subject: "#{monster.name} slain", body: body_parts.join(", "))
+        end
+      end
+
+      chat_message = ChatMessage.new(body: "The #{monster.name} in #{monster_spawn.location.name} has been slain!",
+                                     chat_room: ChatRoom.find_by_gid("news"))
+      if chat_message.save
+        ChatRoomChannel.broadcast_chat_message(chat_message)
+      end
+    end
 end
-- 
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