Initial import

Scripts/RPG/Game_Enemy.rb

@@ -0,0 +1,265 @@
+# -*- coding: utf-8 -*-
+#==============================================================================
+# ** Game_Enemy
+#------------------------------------------------------------------------------
+#  This class handles enemies. It used within the Game_Troop class 
+# ($game_troop).
+#==============================================================================
+
+class Game_Enemy < Game_Battler
+  #--------------------------------------------------------------------------
+  # * Public Instance Variables
+  #--------------------------------------------------------------------------
+  attr_reader   :index                    # index in troop
+  attr_reader   :enemy_id                 # enemy ID
+  attr_reader   :original_name            # original name
+  attr_accessor :letter                   # letters to be attached to the name
+  attr_accessor :plural                   # multiple appearance flag
+  attr_accessor :screen_x                 # battle screen X coordinate
+  attr_accessor :screen_y                 # battle screen Y coordinate
+  #--------------------------------------------------------------------------
+  # * Object Initialization
+  #--------------------------------------------------------------------------
+  def initialize(index, enemy_id)
+    super()
+    @index = index
+    @enemy_id = enemy_id
+    enemy = $data_enemies[@enemy_id]
+    @original_name = enemy.name
+    @letter = ""
+    @plural = false
+    @screen_x = 0
+    @screen_y = 0
+    @battler_name = enemy.battler_name
+    @battler_hue = enemy.battler_hue
+    @hp = mhp
+    @mp = mmp
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Enemy
+  #--------------------------------------------------------------------------
+  def enemy?
+    return true
+  end
+  #--------------------------------------------------------------------------
+  # * Get Allied Units
+  #--------------------------------------------------------------------------
+  def friends_unit
+    $game_troop
+  end
+  #--------------------------------------------------------------------------
+  # * Get Enemy Units
+  #--------------------------------------------------------------------------
+  def opponents_unit
+    $game_party
+  end
+  #--------------------------------------------------------------------------
+  # * Get Enemy Object
+  #--------------------------------------------------------------------------
+  def enemy
+    $data_enemies[@enemy_id]
+  end
+  #--------------------------------------------------------------------------
+  # * Get Array of All Objects Retaining Features
+  #--------------------------------------------------------------------------
+  def feature_objects
+    super + [enemy]
+  end
+  #--------------------------------------------------------------------------
+  # * Get Display Name
+  #--------------------------------------------------------------------------
+  def name
+    @original_name + (@plural ? letter : "")
+  end
+  #--------------------------------------------------------------------------
+  # * Get Base Value of Parameter
+  #--------------------------------------------------------------------------
+  def param_base(param_id)
+    enemy.params[param_id]
+  end
+  #--------------------------------------------------------------------------
+  # * Get Experience
+  #--------------------------------------------------------------------------
+  def exp
+    enemy.exp
+  end
+  #--------------------------------------------------------------------------
+  # * Get Gold
+  #--------------------------------------------------------------------------
+  def gold
+    enemy.gold
+  end
+  #--------------------------------------------------------------------------
+  # * Create Array of Dropped Items
+  #--------------------------------------------------------------------------
+  def make_drop_items
+    enemy.drop_items.inject([]) do |r, di|
+      if di.kind > 0 && rand * di.denominator < drop_item_rate
+        r.push(item_object(di.kind, di.data_id))
+      else
+        r
+      end
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Get Multiplier for Dropped Item Acquisition Probability
+  #--------------------------------------------------------------------------
+  def drop_item_rate
+    $game_party.drop_item_double? ? 2 : 1
+  end
+  #--------------------------------------------------------------------------
+  # * Get Item Object
+  #--------------------------------------------------------------------------
+  def item_object(kind, data_id)
+    return $data_items  [data_id] if kind == 1
+    return $data_weapons[data_id] if kind == 2
+    return $data_armors [data_id] if kind == 3
+    return nil
+  end
+  #--------------------------------------------------------------------------
+  # * Use Sprites?
+  #--------------------------------------------------------------------------
+  def use_sprite?
+    return true
+  end
+  #--------------------------------------------------------------------------
+  # * Get Battle Screen Z-Coordinate
+  #--------------------------------------------------------------------------
+  def screen_z
+    return 100
+  end
+  #--------------------------------------------------------------------------
+  # * Execute Damage Effect
+  #--------------------------------------------------------------------------
+  def perform_damage_effect
+    @sprite_effect_type = :blink
+    Sound.play_enemy_damage
+  end
+  #--------------------------------------------------------------------------
+  # * Execute Collapse Effect
+  #--------------------------------------------------------------------------
+  def perform_collapse_effect
+    case collapse_type
+    when 0
+      @sprite_effect_type = :collapse
+      Sound.play_enemy_collapse
+    when 1
+      @sprite_effect_type = :boss_collapse
+      Sound.play_boss_collapse1
+    when 2
+      @sprite_effect_type = :instant_collapse
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Transform
+  #--------------------------------------------------------------------------
+  def transform(enemy_id)
+    @enemy_id = enemy_id
+    if enemy.name != @original_name
+      @original_name = enemy.name
+      @letter = ""
+      @plural = false
+    end
+    @battler_name = enemy.battler_name
+    @battler_hue = enemy.battler_hue
+    refresh
+    make_actions unless @actions.empty?
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Action Conditions Are Met
+  #     action : RPG::Enemy::Action
+  #--------------------------------------------------------------------------
+  def conditions_met?(action)
+    method_table = {
+      1 => :conditions_met_turns?,
+      2 => :conditions_met_hp?,
+      3 => :conditions_met_mp?,
+      4 => :conditions_met_state?,
+      5 => :conditions_met_party_level?,
+      6 => :conditions_met_switch?,
+    }
+    method_name = method_table[action.condition_type]
+    if method_name
+      send(method_name, action.condition_param1, action.condition_param2)
+    else
+      true
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Action Conditions Are Met [Turns]
+  #--------------------------------------------------------------------------
+  def conditions_met_turns?(param1, param2)
+    n = $game_troop.turn_count
+    if param2 == 0
+      n == param1
+    else
+      n > 0 && n >= param1 && n % param2 == param1 % param2
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Action Conditions Are Met [HP]
+  #--------------------------------------------------------------------------
+  def conditions_met_hp?(param1, param2)
+    hp_rate >= param1 && hp_rate <= param2
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Action Conditions Are Met [MP]
+  #--------------------------------------------------------------------------
+  def conditions_met_mp?(param1, param2)
+    mp_rate >= param1 && mp_rate <= param2
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Action Conditions Are Met [State]
+  #--------------------------------------------------------------------------
+  def conditions_met_state?(param1, param2)
+    state?(param1)
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Action Conditions Are Met [Party Level]
+  #--------------------------------------------------------------------------
+  def conditions_met_party_level?(param1, param2)
+    $game_party.highest_level >= param1
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Action Conditions Are Met [Switch]
+  #--------------------------------------------------------------------------
+  def conditions_met_switch?(param1, param2)
+    $game_switches[param1]
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Action Is Valid in Current State
+  #     action : RPG::Enemy::Action
+  #--------------------------------------------------------------------------
+  def action_valid?(action)
+    conditions_met?(action) && usable?($data_skills[action.skill_id])
+  end
+  #--------------------------------------------------------------------------
+  # * Randomly Select Action
+  #     action_list:  RPG::Enemy::Action array
+  #     rating_zero:  Rating value to consider as zero
+  #--------------------------------------------------------------------------
+  def select_enemy_action(action_list, rating_zero)
+    sum = action_list.inject(0) {|r, a| r += a.rating - rating_zero }
+    return nil if sum <= 0
+    value = rand(sum)
+    action_list.each do |action|
+      return action if value < action.rating - rating_zero
+      value -= action.rating - rating_zero
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Create Battle Action
+  #--------------------------------------------------------------------------
+  def make_actions
+    super
+    return if @actions.empty?
+    action_list = enemy.actions.select {|a| action_valid?(a) }
+    return if action_list.empty?
+    rating_max = action_list.collect {|a| a.rating }.max
+    rating_zero = rating_max - 3
+    action_list.reject! {|a| a.rating <= rating_zero }
+    @actions.each do |action|
+      action.set_enemy_action(select_enemy_action(action_list, rating_zero))
+    end
+  end
+end