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class CharacterSkill < ApplicationRecord
belongs_to :character
belongs_to :skill
validates :skill_id, uniqueness: { scope: :character_id }
validates :xp, numericality: { greater_than_or_equal_to: 0, only_integer: true }
before_update :send_chat_message_if_leveled_up, :award_titles
scope :ordered_by_skill_name, -> { includes(:skill).order("skills.name") }
XP_TOTALS_PER_LEVEL = [
0, 117, 436, 959, 1685, 2615, 3749, 5088, 6634, 8387, 10347, 12517, 14897,
17489, 20296, 23318, 26559, 30022, 33709, 37624, 41773, 46158, 50788,
55667, 60804, 66207, 71886, 77853, 84122, 90706, 97626, 104899, 112551,
120608, 129101, 138067, 147545, 157584, 168239, 179572, 191657, 204576,
218427, 233319, 249382, 266761, 285626, 306173, 328626, 353243, 380324,
410211, 443300, 480046, 520974, 566687, 617881, 675357, 740038, 812987,
895428, 988769, 1094635, 1214895, 1351701, 1507535, 1685252, 1888141,
2119991, 2385164, 2688687, 3036344, 3434803, 3891738, 4415991, 5017743,
5708720, 6502428, 7414420, 8462610, 9667629, 11053238, 12646801, 14479834,
16588636, 19015009, 21807100, 25020357, 28718640, 32975498, 37875637,
43516611, 50010775, 57487528, 66095898, 76007520, 87420069, 100561203,
115693120, 133117791, 153182996, 176289273, 202897924, 233540227,
268828058, 309466113, 356265990, 410162408, 472231880, 543714231,
626037362, 720845790, 830033503, 955781810, 1100602922, 1267390153,
1459475733, 1680697391, 1935475040, 2228899094
].freeze
def self.top_xp_for(skill, limit: 10)
skill = Skill.find_by_gid(skill) if skill.is_a? String
where(skill: skill).order(xp: :desc, updated_at: :asc).limit(limit)
end
def self.level_for_xp(xp)
XP_TOTALS_PER_LEVEL.each_with_index do |total, index|
if total > xp
return index
end
end
end
def self.xp_required_for_level(level)
level <= 120 ? XP_TOTALS_PER_LEVEL[level - 1] : nil
end
def level
XP_TOTALS_PER_LEVEL.each_with_index do |total, index|
return index if total > self.xp
end
end
def total_xp_for_next_level
CharacterSkill.xp_required_for_level(level + 1)
end
def xp_to_next_level
total_xp_for_next_level - self.xp
end
def rank
CharacterSkill.top_xp_for(self.skill, limit: nil).map(&:character).map(&:id).index(self.character.id) + 1
end
def percentage_of_skill_level_completed
xp_gained_this_level = xp - CharacterSkill.xp_required_for_level(level)
total_xp_gain_neeeded_for_entire_level = total_xp_for_next_level - CharacterSkill.xp_required_for_level(level)
(xp_gained_this_level.to_f / total_xp_gain_neeeded_for_entire_level) * 100
end
private
def send_chat_message_if_leveled_up
if CharacterSkill.level_for_xp(self.xp_was) < CharacterSkill.level_for_xp(self.xp)
chat_message = ChatMessage.new(body: "reached #{self.skill.name} level #{self.level}!",
target: self.character,
chat_room: ChatRoom.find_by_gid("achievement"))
if chat_message.save
ChatRoomChannel.broadcast_chat_message(chat_message)
end
end
end
def award_titles
new_level = CharacterSkill.level_for_xp(xp)
if CharacterSkill.level_for_xp(self.xp_was) < new_level
if character.character_skills.where.not(id: self.id).to_a.sum(&:level) + new_level >= 100
character.award_title("aspirant")
end
end
end
end
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