Project1

标题: 敌人受击后飙血特效 [打印本页]

作者: Ruigi 时间: 6 天前
标题: 敌人受击后飙血特效

#==============================================================================
# ** 敌人受击飙血特效
#------------------------------------------------------------------------------
#  作者：Ruigi
#  版本：1.0
#  功能：敌人受击时显示可定制的血液特效，包括固定和飞溅效果
#==============================================================================

module BloodEffect
  # 血液精灵的Z轴位置（在角色上方，特效下方）
  BLOOD_Z = 298

  # 基础持续时间（帧数）
  DURATION = 90

  # 血液痕迹持续时间（帧数）
  TRACE_DURATION = 300

  # 血液缩放范围 [最小, 最大]
  SCALE_RANGE = [0.2, 0.2]

  # 飞溅效果数量
  SPLASH_COUNT = 5

  # 痕迹基础透明度
  TRACE_OPACITY = 20

  # 血液贴图文件名前缀
  BLOOD_PREFIX = "blood_"

  # 从敌人备注获取血液颜色
  def self.blood_color(enemy)
# 默认红色
return Color.new(255, 0, 0) unless enemy.note =~ /<血液颜色:\s*(\d+)\s*\.\s*(\d+)\s*\.\s*(\d+)\s*>/i
Color.new($1.to_i, $2.to_i, $3.to_i)
  end

  # 获取随机血液贴图 [bitmap, is_splash]
  def self.random_blood_sprite
files = Dir.glob("Graphics/System/#{BLOOD_PREFIX}*.png", File::FNM_CASEFOLD)
return nil if files.empty?

file = files.sample
is_splash = file.downcase.include?("_splash")
begin
   filename = File.basename(file)
   bitmap = Cache.system(filename)
   [bitmap, is_splash]
rescue
   nil
end
  end
end

#==============================================================================
# ** Sprite_Blood
#------------------------------------------------------------------------------
#  血液特效精灵
#==============================================================================

class Sprite_Blood < Sprite
  attr_accessor :duration, :is_trace

  def initialize(viewport, bitmap, is_splash, color)
super(viewport)
self.bitmap = bitmap
self.color = color
self.blend_type = 0  # 使用加减法混合
self.z = BloodEffect::BLOOD_Z

# 飞溅效果随机位置和大小
if is_splash
   self.x = rand(Graphics.width)
   self.y = rand(Graphics.height)
   scale = rand(BloodEffect::SCALE_RANGE[1] - BloodEffect::SCALE_RANGE[0]) + BloodEffect::SCALE_RANGE[0]
   self.zoom_x = scale
   self.zoom_y = scale
   self.angle = rand(200)
   @duration = BloodEffect::DURATION / 1 + rand(BloodEffect::DURATION / 1)
else
   # 固定效果
   @duration = BloodEffect::DURATION
end

@is_trace = false
@fade_start = [@duration - 30, 0].max  # 提前30帧开始淡出
  end

  def update
super
@duration -= 1

# 淡出逻辑
if @duration <= 30 && @duration > 0
   self.opacity = (@duration / 30.0) * 255
   # 痕迹保持最低透明度
   self.opacity = BloodEffect::TRACE_OPACITY if @is_trace && self.opacity < BloodEffect::TRACE_OPACITY
elsif @duration <= 0
   self.opacity = 0
end

# 转换为痕迹
if @duration <= 0 && !@is_trace
   @is_trace = true
   @duration = BloodEffect::TRACE_DURATION
   self.opacity = BloodEffect::TRACE_OPACITY
end
  end

  def dispose
bitmap.dispose if bitmap
super
  end
end

#==============================================================================
# ** Spriteset_Battle
#------------------------------------------------------------------------------
#  战斗精灵组 - 添加血液特效支持
#==============================================================================

class Spriteset_Battle
  attr_reader :blood_sprites

  # 安全别名定义
  alias blood_effect_initialize initialize unless method_defined?(:blood_effect_initialize)

  def initialize(*args)
blood_effect_initialize(*args)
@blood_sprites = []  # 血液精灵数组
  end

  # 敌人精灵访问方法
  def enemy_sprites
@enemy_sprites || []
  end

  alias blood_effect_update update unless method_defined?(:blood_effect_update)

  def update
blood_effect_update
update_blood_sprites
  end

  alias blood_effect_dispose dispose unless method_defined?(:blood_effect_dispose)

  def dispose
dispose_blood_sprites
blood_effect_dispose
  end

  # 添加血液特效
  def add_blood_effect(bitmap, is_splash, color, x = nil, y = nil)
return unless bitmap && color && @viewport2
@blood_sprites ||= []  # 双重保障
sprite = Sprite_Blood.new(@viewport2, bitmap, is_splash, color)
sprite.x = x if x
sprite.y = y if y
@blood_sprites << sprite
  end

  # 更新所有血液精灵
  def update_blood_sprites
return unless @blood_sprites

# 安全删除方式
to_delete = []
@blood_sprites.each_with_index do |sprite, index|
   sprite.update
   if sprite.duration <= 0 && sprite.is_trace
      sprite.dispose
      to_delete << index
   end
end

# 从后往前删除避免索引错乱
to_delete.sort.reverse.each do |index|
   @blood_sprites.delete_at(index)
end
  end

  # 释放所有血液精灵
  def dispose_blood_sprites
return unless @blood_sprites
@blood_sprites.each(&:dispose)
@blood_sprites.clear
  end
end

#==============================================================================
# ** Scene_Battle
#------------------------------------------------------------------------------
#  战斗场景 - 添加受击检测和特效触发
#==============================================================================

class Scene_Battle < Scene_Base
  # 安全别名定义
  alias blood_effect_execute_action execute_action unless method_defined?(:blood_effect_execute_action)

  def initialize
super
@last_hp = {}  # 用于记录敌人受击前的HP
  end

  def execute_action
# 执行动作前记录敌人HP
if @subject && @subject.opponents_unit
   @subject.opponents_unit.members.each do |enemy|
      @last_hp[enemy] = enemy.hp
   end
end

blood_effect_execute_action
check_blood_effect
  end

  # 检查是否需要显示血液特效
  def check_blood_effect
return unless @subject && @subject.opponents_unit && @subject.current_action
return unless @spriteset

target = @subject.opponents_unit.members[@subject.current_action.target_index] rescue nil
return unless target && target.is_a?(Game_Enemy)

last_hp = @last_hp[target] || target.hp
return unless target.hp < last_hp

blood_color = BloodEffect.blood_color(target.enemy)
return unless blood_color

# 修正坐标获取方式
if sprite = @spriteset.enemy_sprites.find { |s| s.battler == target }
   # VX ACE正确的坐标获取方式
   x = sprite.x - sprite.ox + sprite.bitmap.width / 2
   y = sprite.y - sprite.oy + sprite.bitmap.height / 2

   # 添加固定血液效果
   if (data = BloodEffect.random_blood_sprite)
      bitmap, is_splash = data
      @spriteset.add_blood_effect(bitmap, false, blood_color, x, y) unless is_splash
   end

   # 添加飞溅效果
   BloodEffect::SPLASH_COUNT.times do
      if (data = BloodEffect.random_blood_sprite)
      bitmap, is_splash = data
      @spriteset.add_blood_effect(bitmap, true, blood_color) if is_splash
      end
   end
end
  end
end

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作者: BCJT 时间: 3 天前
很吊

，这个效果感觉更像是玩家飙血

作者: Ruigi 时间: 前天 14:48

BCJT 发表于 2025-7-15 08:33
很吊，这个效果感觉更像是玩家飙血

你就当作是敌人一口老血喷玩家脸上就行了）

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