Initial import

Scripts/RPG/Spriteset_Weather.rb

@@ -0,0 +1,185 @@
+# -*- coding: utf-8 -*-
+#==============================================================================
+# ** Spriteset_Weather
+#------------------------------------------------------------------------------
+#  A class for weather effects (rain, storm, and snow). It is used within the
+# Spriteset_Map class.
+#==============================================================================
+
+class Spriteset_Weather
+  #--------------------------------------------------------------------------
+  # * Public Instance Variables
+  #--------------------------------------------------------------------------
+  attr_accessor :type                     # Weather type
+  attr_accessor :ox                       # X coordinate of origin
+  attr_accessor :oy                       # Y coordinate of orgin
+  attr_reader   :power                    # Intensity
+  #--------------------------------------------------------------------------
+  # * Object Initialization
+  #--------------------------------------------------------------------------
+  def initialize(viewport = nil)
+    @viewport = viewport
+    init_members
+    create_rain_bitmap
+    create_storm_bitmap
+    create_snow_bitmap
+  end
+  #--------------------------------------------------------------------------
+  # * Initialize Member Variables
+  #--------------------------------------------------------------------------
+  def init_members
+    @type = :none
+    @ox = 0
+    @oy = 0
+    @power = 0
+    @sprites = []
+  end
+  #--------------------------------------------------------------------------
+  # * Free
+  #--------------------------------------------------------------------------
+  def dispose
+    @sprites.each {|sprite| sprite.dispose }
+    @rain_bitmap.dispose
+    @storm_bitmap.dispose
+    @snow_bitmap.dispose
+  end
+  #--------------------------------------------------------------------------
+  # * Particle Color 1
+  #--------------------------------------------------------------------------
+  def particle_color1
+    Color.new(255, 255, 255, 192)
+  end
+  #--------------------------------------------------------------------------
+  # * Particle Color 2
+  #--------------------------------------------------------------------------
+  def particle_color2
+    Color.new(255, 255, 255, 96)
+  end
+  #--------------------------------------------------------------------------
+  # * Create [Rain] Weather Bitmap
+  #--------------------------------------------------------------------------
+  def create_rain_bitmap
+    @rain_bitmap = Bitmap.new(7, 42)
+    7.times {|i| @rain_bitmap.fill_rect(6-i, i*6, 1, 6, particle_color1) }
+  end
+  #--------------------------------------------------------------------------
+  # * Create [Storm] Weather Bitmap
+  #--------------------------------------------------------------------------
+  def create_storm_bitmap
+    @storm_bitmap = Bitmap.new(34, 64)
+    32.times do |i|
+      @storm_bitmap.fill_rect(33-i, i*2, 1, 2, particle_color2)
+      @storm_bitmap.fill_rect(32-i, i*2, 1, 2, particle_color1)
+      @storm_bitmap.fill_rect(31-i, i*2, 1, 2, particle_color2)
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Create [Snow] Weather Bitmap
+  #--------------------------------------------------------------------------
+  def create_snow_bitmap
+    @snow_bitmap = Bitmap.new(6, 6)
+    @snow_bitmap.fill_rect(0, 1, 6, 4, particle_color2)
+    @snow_bitmap.fill_rect(1, 0, 4, 6, particle_color2)
+    @snow_bitmap.fill_rect(1, 2, 4, 2, particle_color1)
+    @snow_bitmap.fill_rect(2, 1, 2, 4, particle_color1)
+  end
+  #--------------------------------------------------------------------------
+  # * Set Weather Intensity
+  #--------------------------------------------------------------------------
+  def power=(power)
+    @power = power
+    (sprite_max - @sprites.size).times { add_sprite }
+    (@sprites.size - sprite_max).times { remove_sprite }
+  end
+  #--------------------------------------------------------------------------
+  # * Get Maximum Number of Sprites
+  #--------------------------------------------------------------------------
+  def sprite_max
+    (@power * 10).to_i
+  end
+  #--------------------------------------------------------------------------
+  # * Add Sprite
+  #--------------------------------------------------------------------------
+  def add_sprite
+    sprite = Sprite.new(@viewport)
+    sprite.opacity = 0
+    @sprites.push(sprite)
+  end
+  #--------------------------------------------------------------------------
+  # * Delete Sprite
+  #--------------------------------------------------------------------------
+  def remove_sprite
+    sprite = @sprites.pop
+    sprite.dispose if sprite
+  end
+  #--------------------------------------------------------------------------
+  # * Frame Update
+  #--------------------------------------------------------------------------
+  def update
+    update_screen
+    @sprites.each {|sprite| update_sprite(sprite) }
+  end
+  #--------------------------------------------------------------------------
+  # * Update Screen
+  #--------------------------------------------------------------------------
+  def update_screen
+    @viewport.tone.set(-dimness, -dimness, -dimness)
+  end
+  #--------------------------------------------------------------------------
+  # * Get Dimness
+  #--------------------------------------------------------------------------
+  def dimness
+    (@power * 6).to_i
+  end
+  #--------------------------------------------------------------------------
+  # * Update Sprite
+  #--------------------------------------------------------------------------
+  def update_sprite(sprite)
+    sprite.ox = @ox
+    sprite.oy = @oy
+    case @type
+    when :rain
+      update_sprite_rain(sprite)
+    when :storm
+      update_sprite_storm(sprite)
+    when :snow
+      update_sprite_snow(sprite)
+    end
+    create_new_particle(sprite) if sprite.opacity < 64
+  end
+  #--------------------------------------------------------------------------
+  # * Update Sprite [Rain]
+  #--------------------------------------------------------------------------
+  def update_sprite_rain(sprite)
+    sprite.bitmap = @rain_bitmap
+    sprite.x -= 1
+    sprite.y += 6
+    sprite.opacity -= 12
+  end
+  #--------------------------------------------------------------------------
+  # * Update Sprite [Storm]
+  #--------------------------------------------------------------------------
+  def update_sprite_storm(sprite)
+    sprite.bitmap = @storm_bitmap
+    sprite.x -= 3
+    sprite.y += 6
+    sprite.opacity -= 12
+  end
+  #--------------------------------------------------------------------------
+  # * Update Sprite [Snow]
+  #--------------------------------------------------------------------------
+  def update_sprite_snow(sprite)
+    sprite.bitmap = @snow_bitmap
+    sprite.x -= 1
+    sprite.y += 3
+    sprite.opacity -= 12
+  end
+  #--------------------------------------------------------------------------
+  # * Create New Particle
+  #--------------------------------------------------------------------------
+  def create_new_particle(sprite)
+    sprite.x = rand(Graphics.width + 100) - 100 + @ox
+    sprite.y = rand(Graphics.height + 200) - 200 + @oy
+    sprite.opacity = 160 + rand(96)
+  end
+end