Initial import

Scripts/RPG/Game_Screen.rb

@@ -0,0 +1,235 @@
+# -*- coding: utf-8 -*-
+#==============================================================================
+# ** Game_Screen
+#------------------------------------------------------------------------------
+#  This class handles screen maintenance data, such as changes in color tone,
+# flashes, etc. It's used within the Game_Map and Game_Troop classes.
+#==============================================================================
+
+class Game_Screen
+  #--------------------------------------------------------------------------
+  # * Public Instance Variables
+  #--------------------------------------------------------------------------
+  attr_reader   :brightness               # brightness
+  attr_reader   :tone                     # color tone
+  attr_reader   :flash_color              # flash color
+  attr_reader   :pictures                 # pictures
+  attr_reader   :shake                    # shake positioning
+  attr_reader   :weather_type             # weather type
+  attr_reader   :weather_power            # weather intensity (Float)
+  #--------------------------------------------------------------------------
+  # * Object Initialization
+  #--------------------------------------------------------------------------
+  def initialize
+    @pictures = Game_Pictures.new
+    clear
+  end
+  #--------------------------------------------------------------------------
+  # * Clear
+  #--------------------------------------------------------------------------
+  def clear
+    clear_fade
+    clear_tone
+    clear_flash
+    clear_shake
+    clear_weather
+    clear_pictures
+  end
+  #--------------------------------------------------------------------------
+  # * Clear Fade In/Out
+  #--------------------------------------------------------------------------
+  def clear_fade
+    @brightness = 255
+    @fadeout_duration = 0
+    @fadein_duration = 0
+  end
+  #--------------------------------------------------------------------------
+  # * Clear Color Tone
+  #--------------------------------------------------------------------------
+  def clear_tone
+    @tone = Tone.new
+    @tone_target = Tone.new
+    @tone_duration = 0
+  end
+  #--------------------------------------------------------------------------
+  # * Clear Flash
+  #--------------------------------------------------------------------------
+  def clear_flash
+    @flash_color = Color.new
+    @flash_duration = 0
+  end
+  #--------------------------------------------------------------------------
+  # * Clear Shake
+  #--------------------------------------------------------------------------
+  def clear_shake
+    @shake_power = 0
+    @shake_speed = 0
+    @shake_duration = 0
+    @shake_direction = 1
+    @shake = 0
+  end
+  #--------------------------------------------------------------------------
+  # * Clear Weather
+  #--------------------------------------------------------------------------
+  def clear_weather
+    @weather_type = :none
+    @weather_power = 0
+    @weather_power_target = 0
+    @weather_duration = 0
+  end
+  #--------------------------------------------------------------------------
+  # * Clear Picture
+  #--------------------------------------------------------------------------
+  def clear_pictures
+    @pictures.each {|picture| picture.erase }
+  end
+  #--------------------------------------------------------------------------
+  # * Start Fadeout
+  #--------------------------------------------------------------------------
+  def start_fadeout(duration)
+    @fadeout_duration = duration
+    @fadein_duration = 0
+  end
+  #--------------------------------------------------------------------------
+  # * Start Fadein
+  #--------------------------------------------------------------------------
+  def start_fadein(duration)
+    @fadein_duration = duration
+    @fadeout_duration = 0
+  end
+  #--------------------------------------------------------------------------
+  # * Start Changing Color Tone
+  #--------------------------------------------------------------------------
+  def start_tone_change(tone, duration)
+    @tone_target = tone.clone
+    @tone_duration = duration
+    @tone = @tone_target.clone if @tone_duration == 0
+  end
+  #--------------------------------------------------------------------------
+  # * Start Flashing
+  #--------------------------------------------------------------------------
+  def start_flash(color, duration)
+    @flash_color = color.clone
+    @flash_duration = duration
+  end
+  #--------------------------------------------------------------------------
+  # * Start Shaking
+  #     power: intensity
+  #     speed: speed
+  #--------------------------------------------------------------------------
+  def start_shake(power, speed, duration)
+    @shake_power = power
+    @shake_speed = speed
+    @shake_duration = duration
+  end
+  #--------------------------------------------------------------------------
+  # * Change Weather
+  #     type  : type (:none, :rain, :storm, :snow)
+  #     power: intensity
+  #    If weather type is none (:none), set @weather_power_target (target
+  #    value of intensity) to 0 to represent gradual stopping of rain, but
+  #    only in this case.
+  #--------------------------------------------------------------------------
+  def change_weather(type, power, duration)
+    @weather_type = type if type != :none || duration == 0
+    @weather_power_target = type == :none ? 0.0 : power.to_f
+    @weather_duration = duration
+    @weather_power = @weather_power_target if duration == 0
+  end
+  #--------------------------------------------------------------------------
+  # * Frame Update
+  #--------------------------------------------------------------------------
+  def update
+    update_fadeout
+    update_fadein
+    update_tone
+    update_flash
+    update_shake
+    update_weather
+    update_pictures
+  end
+  #--------------------------------------------------------------------------
+  # * Update Fadeout
+  #--------------------------------------------------------------------------
+  def update_fadeout
+    if @fadeout_duration > 0
+      d = @fadeout_duration
+      @brightness = (@brightness * (d - 1)) / d
+      @fadeout_duration -= 1
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Update Fadein
+  #--------------------------------------------------------------------------
+  def update_fadein
+    if @fadein_duration > 0
+      d = @fadein_duration
+      @brightness = (@brightness * (d - 1) + 255) / d
+      @fadein_duration -= 1
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Update Tone
+  #--------------------------------------------------------------------------
+  def update_tone
+    if @tone_duration > 0
+      d = @tone_duration
+      @tone.red = (@tone.red * (d - 1) + @tone_target.red) / d
+      @tone.green = (@tone.green * (d - 1) + @tone_target.green) / d
+      @tone.blue = (@tone.blue * (d - 1) + @tone_target.blue) / d
+      @tone.gray = (@tone.gray * (d - 1) + @tone_target.gray) / d
+      @tone_duration -= 1
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Update Flash
+  #--------------------------------------------------------------------------
+  def update_flash
+    if @flash_duration > 0
+      d = @flash_duration
+      @flash_color.alpha = @flash_color.alpha * (d - 1) / d
+      @flash_duration -= 1
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Update Shake
+  #--------------------------------------------------------------------------
+  def update_shake
+    if @shake_duration > 0 || @shake != 0
+      delta = (@shake_power * @shake_speed * @shake_direction) / 10.0
+      if @shake_duration <= 1 && @shake * (@shake + delta) < 0
+        @shake = 0
+      else
+        @shake += delta
+      end
+      @shake_direction = -1 if @shake > @shake_power * 2
+      @shake_direction = 1 if @shake < - @shake_power * 2
+      @shake_duration -= 1
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Update Weather
+  #--------------------------------------------------------------------------
+  def update_weather
+    if @weather_duration > 0
+      d = @weather_duration
+      @weather_power = (@weather_power * (d - 1) + @weather_power_target) / d
+      @weather_duration -= 1
+      if @weather_duration == 0 && @weather_power_target == 0
+        @weather_type = :none
+      end
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Update Pictures
+  #--------------------------------------------------------------------------
+  def update_pictures
+    @pictures.each {|picture| picture.update }
+  end
+  #--------------------------------------------------------------------------
+  # * Start Flash (for Poison/Damage Floor)
+  #--------------------------------------------------------------------------
+  def start_flash_for_damage
+    start_flash(Color.new(255,0,0,128), 8)
+  end
+end