Added old AI references/rewrite attempt as references

AI references/Old AI rewrite attempt/050_Other script changes.rb

@@ -0,0 +1,86 @@
+class PokeBattle_StatUpMove < PokeBattle_Move
+  attr_reader :statUp
+end
+
+class PokeBattle_MultiStatUpMove < PokeBattle_Move
+  attr_reader :statUp
+end
+
+#===============================================================================
+# Battle Palace AI.
+#===============================================================================
+class PokeBattle_AI
+  alias _battlePalace_pbEnemyShouldWithdraw? pbEnemyShouldWithdraw?
+
+  def pbEnemyShouldWithdraw?
+    return _battlePalace_pbEnemyShouldWithdraw? if !@battlePalace
+    shouldswitch = false
+    if @user.effects[PBEffects::PerishSong]==1
+      shouldswitch = true
+    elsif !@battle.pbCanChooseAnyMove?(@user.index) &&
+       @user.turnCount && @user.turnCount>5
+      shouldswitch = true
+    else
+      hppercent = @user.hp*100/@user.totalhp
+      percents = []
+      maxindex = -1
+      maxpercent = 0
+      factor = 0
+      @battle.pbParty(@user.index).each_with_index do |pkmn,i|
+        if @battle.pbCanSwitch?(@user.index,i)
+          percents[i] = 100*pkmn.hp/pkmn.totalhp
+          if percents[i]>maxpercent
+            maxindex = i
+            maxpercent = percents[i]
+          end
+        else
+          percents[i] = 0
+        end
+      end
+      if hppercent<50
+        factor = (maxpercent<hppercent) ? 20 : 40
+      end
+      if hppercent<25
+        factor = (maxpercent<hppercent) ? 30 : 50
+      end
+      case @user.status
+      when PBStatuses::SLEEP, PBStatuses::FROZEN
+        factor += 20
+      when PBStatuses::POISON, PBStatuses::BURN
+        factor += 10
+      when PBStatuses::PARALYSIS
+        factor += 15
+      end
+      if @justswitched[@user.index]
+        factor -= 60
+        factor = 0 if factor<0
+      end
+      shouldswitch = (pbAIRandom(100)<factor)
+      if shouldswitch && maxindex>=0
+        @battle.pbRegisterSwitch(@user.index,maxindex)
+        return true
+      end
+    end
+    @justswitched[@user.index] = shouldswitch
+    if shouldswitch
+      @battle.pbParty(@user.index).each_with_index do |_pkmn,i|
+        next if !@battle.pbCanSwitch?(@user.index,i)
+        @battle.pbRegisterSwitch(@user.index,i)
+        return true
+      end
+    end
+    return false
+  end
+end
+
+#===============================================================================
+# Battle Arena AI.
+#===============================================================================
+class PokeBattle_AI
+  alias _battleArena_pbEnemyShouldWithdraw? pbEnemyShouldWithdraw?
+
+  def pbEnemyShouldWithdraw?
+    return _battleArena_pbEnemyShouldWithdraw? if !@battleArena
+    return false
+  end
+end