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