Snowstorm, forfeiting trainer battles, battle outcome values

Data/Scripts/011_Battle/001_Battle/011_Battle_EndOfRoundPhase.rb

@@ -14,6 +14,7 @@ class Battle
       when :Rain      then pbDisplay(_INTL("The rain stopped."))
       when :Sandstorm then pbDisplay(_INTL("The sandstorm subsided."))
       when :Hail      then pbDisplay(_INTL("The hail stopped."))
+      when :Snowstorm then pbDisplay(_INTL("The snow stopped."))
       when :ShadowSky then pbDisplay(_INTL("The shadow sky faded."))
       end
       @field.weather = :None
@@ -31,6 +32,7 @@ class Battle
     when :Rain        then pbDisplay(_INTL("Rain continues to fall."))
     when :Sandstorm   then pbDisplay(_INTL("The sandstorm is raging."))
     when :Hail        then pbDisplay(_INTL("The hail is crashing down."))
+    when :Snowstorm   then pbDisplay(_INTL("The snow is blowing about!"))
     when :HarshSun    then pbDisplay(_INTL("The sunlight is extremely harsh."))
     when :HeavyRain   then pbDisplay(_INTL("It is raining heavily."))
     when :StrongWinds then pbDisplay(_INTL("The wind is strong."))
@@ -390,7 +392,6 @@ class Battle
        (perishSongUsers.find_all { |idxBattler| !opposes?(idxBattler) }.length == perishSongUsers.length))
       pbJudgeCheckpoint(@battlers[perishSongUsers[0]])
     end
-    return if @decision > 0
   end
 
   #=============================================================================
@@ -675,7 +676,7 @@ class Battle
     # Effects that apply to a battler that wear off after a number of rounds
     pbEOREndBattlerEffects(priority)
     # Check for end of battle (i.e. because of Perish Song)
-    if @decision > 0
+    if decided?
       pbGainExp
       return
     end
@@ -702,12 +703,12 @@ class Battle
       end
     end
     pbGainExp
-    return if @decision > 0
+    return if decided?
     # Form checks
     priority.each { |battler| battler.pbCheckForm(true) }
     # Switch Pokémon in if possible
     pbEORSwitch
-    return if @decision > 0
+    return if decided?
     # In battles with at least one side of size 3+, move battlers around if none
     # are near to any foes
     pbEORShiftDistantBattlers