# The random Weather Chanche out of 100.
RANDOM_WEATHER_CHANCHE=50


#["","Rain","Storm","Snow","Sandstorm","Sunny","HeavyRain","Blizzard"]]
#===============================================================================
# * Method which will check whether the weather needs a change
#  depending on season + location.
#===============================================================================
def weatherNeedsChange?(weather)
  val=rand(100)
  case $PokemonGlobal.season[0]
  when "Spring" || "Autumn"
    # Rain
    return true if (weather==1 && val>90)
    # Storm
    return true if (weather==2 && val>90)
    # Snow
    return true if (weather==3 && val>25)
    # Sandstorm
    return true if (weather==4 && val>90)
    # Sunny
    return true if (weather==5 && val>90)
    # HeavyRain
    return true if (weather==6 && val>90)
    # Blizzard
    return true if (weather==7 && val>25)
  when "Summer"
    # Rain
    return true if (weather==1 && val>25)
    # Storm
    return true if (weather==2 && val>25)
    # Snow
    return true if (weather==3 && val>5)
    # Sandstorm
    return true if (weather==4 && val>95)
    # Sunny
    return true if (weather==5 && val>95)
    # HeavyRain
    return true if (weather==6 && val>25)
    # Blizzard
    return true if (weather==7 && val>5)
#  when "Winter"
    # Rain
    return true if (weather==1 && val>90)
    # Storm
    return true if (weather==2 && val>90)
    # Snow
    return true if (weather==3 && val>95)
    # Sandstorm
    return true if (weather==4 && val>5)
    # Sunny# Sunny
    return true if (weather==5 && val>5)
    # HeavyRain
    return true if (weather==6 && val>90)
    # Blizzard
    return true if (weather==7 && val>95)
  end
  # None
  return true if (weather==nil && val>RANDOM_WEATHER_CHANCHE)
  return false
end


#===============================================================================
# * Creating and returning random weather depending on season + location.
#===============================================================================
def randomWeather
  environment=pbGetEnvironment
  weather=[0,250,50,50,0,300,100,0] if isSeason?("Spring") || isSeason?("Autumn")
  weather=[0,50,50,0,0,600,50,0] if isSeason?("Summer")
  weather=[0,100,50,500,0,50,100,100] if isSeason?("Winter")
  # Changing weather chanches depending on the environment.
  if environment==PBEnvironment::Grass ||
     environment==PBEnvironment::TallGrass ||
     environment==PBEnvironment::Rock
    weather[4]=0
    weather[7]=0
  elsif environment==PBEnvironment::MovingWater ||
        environment==PBEnvironment::StillWater
    weather[4]=0
  elsif environment==PBEnvironment::Sand
    weather[1]/=4
    weather[2]/=4
    weather[3]/=4
    weather[4]+=750
    weather[5]+=250
    weather[6]/=4
    weather[7]/=4
  elsif environment==PBEnvironment::Underwater ||
        environment==PBEnvironment::Cave
    return nil
  end
  # Calculating the chanches + returning weather depending on chanche.
  rand_num=0
  for i in 0...weather.length
    rand_num+=weather[i]
  end
  randVal=rand(rand_num)
  minVal=0 ; maxVal=0
  for i in 0...weather.length
    weather[i].round
    maxVal+=weather[i]
    if randVal>minVal && randVal<maxVal
      return [i,100]
    else
      minVal+=weather[i]
    end
  end
  return nil
end