八方向寻路与决定键控制冲突 - Project1

#==============================================================================
# ■ Find_Path
#------------------------------------------------------------------------------
# 　寻路算法--完整鼠标系统（八方向）专用版
# By whbm
#==============================================================================
class Find_Path
#--------------------------------------------------------------------------
def initialize #初始化
@open_list = []
@close_lise = []
@path = []
end #结束初始化
#--------------------------------------------------------------------------
def fp_passable?(x, y, d, tr_x = -2, tr_y = -2) #开始判定通行
return false if (tr_x == @unable_xa or
tr_x == @unable_xb or
tr_y == @unable_ya or
tr_y == @unable_yb)
if [2, 4, 6, 8].include?(d)
if $game_player.passable?(x, y, d)
return true
else
return false
end
else
case d
when 1
if ($game_player.passable?(x, y, 4) and
$game_player.passable?(x - 1, y, 2)) or
($game_player.passable?(x, y, 2) and
$game_player.passable?(x, y + 1, 4))
return true
else
return false
end
when 3
if ($game_player.passable?(x, y, 6) and
$game_player.passable?(x + 1, y, 2)) or
($game_player.passable?(x, y, 2) and
$game_player.passable?(x, y + 1, 6))
return true
else
return false
end
when 7
if ($game_player.passable?(x, y, 4) and
$game_player.passable?(x - 1, y, 8)) or
($game_player.passable?(x, y, 8) and
$game_player.passable?(x, y - 1, 4))
return true
else
return false
end
when 9
if ($game_player.passable?(x, y, 6) and
$game_player.passable?(x + 1, y, 8)) or
($game_player.passable?(x, y, 8) and
$game_player.passable?(x, y - 1, 6))
return true
else
return false
end
end
end
end #结束判定通行
#--------------------------------------------------------------------------
def get_g(now_point) #开始计算G值
d = now_point[2]
return 0 if d == 5
father_point = get_father_point(now_point)
g = father_point[3] + ((d == 1 or d == 3 or d == 7 or d == 9) ? 14 : 10)
return g
end #结束计算G值
#--------------------------------------------------------------------------
def get_h(now_point) #开始计算H值
now_x = now_point[0]
now_y = now_point[1]
#print @trg_x,now_x,@trg_y,now_y
h = (@trg_x - now_x).abs + (@trg_y - now_y).abs
return h * 10
end #结束计算H值
#--------------------------------------------------------------------------
def get_f(now_point) #开始计算F值
f = now_point[3] + now_point[4]
return f
end #结束计算F值
#--------------------------------------------------------------------------
def get_point(x, y) #取已知坐标点
if @open_list.size != 0
@open_list.each do |point|
if point[0] == x and point[1] == y
return point
break
end
end
end
if @close_list.size != 0
@close_list.each do |point|
if point[0] == x and point[1] == y
return point
break
end
end
end
end #结束取已知坐标点
#--------------------------------------------------------------------------
def get_father_point(now_point) #取已知点的父节点
d = now_point[2]
return now_point if d == 5
x = now_point[0] + ((d == 9 or d == 6 or d == 3) ? 1 : ((d == 7 or d == 4 or d == 1) ? -1 : 0))
y = now_point[1] + ((d == 1 or d == 2 or d == 3) ? 1 : ((d == 7 or d == 8 or d == 9) ? -1 : 0))
return get_point(x, y)
end #结束取已知点的父节点
#--------------------------------------------------------------------------
def new_point(x, y, d) #开始建立新节点
#print x,y,d
point = [x, y, d]
point.push get_g(point)
point.push get_h(point)
point.push get_f(point)
return point
end #结束建立新节点
#--------------------------------------------------------------------------
def get_direction(self_x, self_y, trg_x, trg_y)
if trg_x > self_x
if trg_y - self_y > - 0.4 * ( trg_x - self_x ) and
trg_y - self_y < 0.4 * ( trg_x - self_x )
return 6
end
if trg_y - self_y > 0.4 * ( trg_x - self_x ) and
trg_y - self_y < 2.4 * ( trg_x - self_x )
return 3
end
if trg_y - self_y < - 0.4 * ( trg_x - self_x ) and
trg_y - self_y > - 2.4 * ( trg_x - self_x )
return 9
end
if trg_y - self_y > 2.4 * ( trg_x - self_x )
return 2
end
if trg_y - self_y < - 2.4 * ( trg_x - self_x )
return 8
end
end
if trg_x < self_x
if trg_y - self_y > - 0.4 * ( self_x - trg_x ) and
trg_y - self_y < 0.4 * ( self_x - trg_x )
return 4
end
if trg_y - self_y > 0.4 * ( self_x - trg_x ) and
trg_y - self_y < 2.4 * ( self_x - trg_x )
return 1
end
if trg_y - self_y < - 0.4 * ( self_x - trg_x ) and
trg_y - self_y > - 2.4 * ( self_x - trg_x )
return 7
end
if trg_y - self_y > 2.4 * ( self_x - trg_x )
return 2
end
if trg_y - self_y < - 2.4 * ( self_x - trg_x )
return 8
end
end
end
#--------------------------------------------------------------------------
def get_d_x_y(x, y, d)
d_x = x + ((d == 9 or d == 6 or d == 3) ? 1 : ((d == 7 or d == 4 or d == 1) ? -1 : 0))
d_y = y + ((d == 1 or d == 2 or d == 3) ? 1 : ((d == 7 or d == 8 or d == 9) ? -1 : 0))
return d_x, d_y
end
#--------------------------------------------------------------------------
def find_short_path_other(self_x, self_y, trg_x, trg_y,
real_self_x, real_self_y, real_trg_x, real_trg_y)
@self_x = self_x
@self_y = self_y
@now_x = self_x
@now_y = self_y
@trg_x = trg_x
@trg_y = trg_y
@path = []
direction = get_direction(real_self_x, real_self_y, real_trg_x, real_trg_y)
@now_trg_x, @now_trg_y = get_d_x_y(@self_x, @self_y, direction)
while fp_passable?(@now_x, @now_y, direction)
@path.push direction
@now_x = @now_trg_x
@now_y = @now_trg_y
@now_trg_x, @now_trg_y = get_d_x_y(@now_x, @now_y, direction)
end
return @path
end
#--------------------------------------------------------------------------
def find_short_path(self_x, self_y, trg_x, trg_y,
real_self_x, real_self_y, real_trg_x, real_trg_y) #开始搜索路径
return find_short_path_other(self_x, self_y, trg_x, trg_y,
real_self_x, real_self_y, real_trg_x, real_trg_y) if not
(fp_passable?(trg_x, trg_y + 1, 8) or
fp_passable?(trg_x + 1, trg_y, 4) or
fp_passable?(trg_x - 1, trg_y, 6) or
fp_passable?(trg_x, trg_y - 1, 2)) and @goal_type != 1
#根据屏幕限定搜索面积..加速
@unable_xa = $game_map.display_x / 128 - 1
@unable_ya = $game_map.display_y / 128 - 1
@unable_xb = $game_map.display_x / 128 + 20
@unable_yb = $game_map.display_y / 128 + 20
@self_x = self_x
@self_y = self_y
@now_x = self_x
@now_y = self_y
@trg_x = trg_x
@trg_y = trg_y
@open_list = []
@close_list = []
#准备搜索
#print @self_x,@self_y
@now_point = new_point(@self_x, @self_y, 5) #令起始点为当前点
@open_list.push @now_point #将当前点加入关闭列表
#开始搜索
begin
loop do
check_trg = check_around_point(@now_point)
if check_trg == true
@path = get_path
break
end
@now_point = get_lowest_f_point
if @now_point == [] or @now_point == nil
@path = []
break
end
end
rescue Hangup
retry
end
return @path
end #结束搜索路径
#--------------------------------------------------------------------------
def find_player_short_path(trg_x, trg_y,
real_trg_x, real_trg_y) #寻找角色的最短路径
self_x = $game_player.x
self_y = $game_player.y
real_self_x = $game_player.screen_x
real_self_y = $game_player.screen_y
@goal_type, event = $game_map.check_event_custom_exist(real_trg_x, real_trg_y)
if @goal_type == 1
trg_x = event.x
trg_y = event.y
end
return find_short_path(self_x, self_y, trg_x, trg_y,
real_self_x, real_self_y, real_trg_x, real_trg_y)
end #结束角色的寻找路径
#--------------------------------------------------------------------------
def get_path #取得最终的路径
path = []
now_point = @open_list[@open_list.size - 1]
path.push(10 - now_point[2])
last_point = now_point
loop do
now_point = get_father_point(now_point)
break if now_point[2] == 5
path.push(10 - now_point[2])
end
return path.reverse
end #结束取得最终的路径
#--------------------------------------------------------------------------
def get_lowest_f_point #开始取得最低F值的点
if @open_list == []
return []
end
last_lowest_f_point = @open_list[0]
@open_list.each do |point|
last_lowest_f_point = point if point[5] < last_lowest_f_point[5]
end
return last_lowest_f_point
end #结束取得最低F值点
#--------------------------------------------------------------------------
def check_around_point(point) #开始检查已知点的八方节点
for d in [1, 2, 3, 4, 6, 7, 8, 9]
x = point[0] + ((d == 9 or d == 6 or d == 3) ? 1 : ((d == 7 or d == 4 or d == 1) ? -1 : 0))
y = point[1] + ((d == 1 or d == 2 or d == 3) ? 1 : ((d == 7 or d == 8 or d == 9) ? -1 : 0))
if in_close_list?(x, y) #在关闭列表中
next
elsif in_open_list?(x, y) #在开启列表中
get_new_g_point = new_point(x, y, 10 - d)
get_last_g_point = get_point(x, y)
if get_new_g_point[3] >= get_last_g_point[3]
next
else
#如果改变父节点是新G值更小则确定改变
@open_list[@open_list.index(get_last_g_point)] = get_new_g_point
end
else
if fp_passable?(point[0], point[1], d, x, y)
# 如果不在开启列表中、且不在关闭列表中、且通行则添加它到新八周节点
@open_list.push new_point(x, y, 10 - d)
#如果将目标点添加到了开启列表中就返回true
return true if x == @trg_x and y == @trg_y
return true if @goal_type == 1 and [1, 0, -1].include?(x - @trg_x) and [1, 0, -1].include?(y - @trg_y)
end
end
end
#此刻没有找到目标点并将当前点加入关闭列表并在开启列表中删除
@close_list.push point
@open_list.delete(point)
#此刻没找到目标点并返回false
return false
end #结束计算已知点的八方节点
#--------------------------------------------------------------------------
def in_open_list?(x, y) #开始检查谋点是否在开启列表中
@open_list.each do |point|
return true if point[0] == x and point[1] == y
end
return false
end #结束检查谋点是否在开启列表中
#--------------------------------------------------------------------------
def in_close_list?(x, y) #开始检查谋点是否在关闭列表中
@close_list.each do |point|
return true if point[0] == x and point[1] == y
end
return false
end #结束检查谋点是否在关闭列表中
#--------------------------------------------------------------------------
end

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#=============================
# ■ Game_Player
#------------------------------------------------------------------------------
# 　处理主角的类。事件启动的判定、以及地图的滚动等功能。
# 本类的实例请参考 $game_player。
#===========================================================================
$决定键失效 = 20 # 开关25号打开的时候决定键失效
#===========================================================================
class Game_Player < Game_Character
#--------------------------------------------------------------------------
# ● 恒量
#--------------------------------------------------------------------------
CENTER_X = (320 - 16) * 4 # 画面中央的 X 坐标 * 4
CENTER_Y = (240 - 16) * 4 # 画面中央的 Y 坐标 * 4
#--------------------------------------------------------------------------
# ● 可以通行判定
# x : X 坐标
# y : Y 坐标
# d : 方向 (0,2,4,6,8) ※ 0 = 全方向不能通行的情况判定 (跳跃用)
#--------------------------------------------------------------------------
def passable?(x, y, d)
# 求得新的坐标
new_x = x + (d == 6 ? 1 : d == 4 ? -1 : 0)
new_y = y + (d == 2 ? 1 : d == 8 ? -1 : 0)
# 坐标在地图外的情况下
unless $game_map.valid?(new_x, new_y)
# 不能通行
return false
end
# 调试模式为 ON 并且按下 CTRL 键的情况下
if $DEBUG and Input.press?(Input::CTRL)
# 可以通行
return true
end
super
end
#--------------------------------------------------------------------------
# ● 像通到画面中央一样的设置地图的显示位置
#--------------------------------------------------------------------------
def center(x, y)
max_x = ($game_map.width - 20) * 128
max_y = ($game_map.height - 15) * 128
$game_map.display_x = [0, [x * 128 - CENTER_X, max_x].min].max
$game_map.display_y = [0, [y * 128 - CENTER_Y, max_y].min].max
end
#--------------------------------------------------------------------------
# ● 向指定的位置移动
# x : X 座標
# y : Y 座標
#--------------------------------------------------------------------------
def moveto(x, y)
super
# 自连接
center(x, y)
# 生成遇敌计数
make_encounter_count
end
#--------------------------------------------------------------------------
# ● 增加步数
#--------------------------------------------------------------------------
def increase_steps
super
# 不是强制移动路线的场合
unless @move_route_forcing
# 增加步数
$game_party.increase_steps
# 步数是偶数的情况下
if $game_party.steps % 2 == 0
# 检查连续伤害
$game_party.check_map_slip_damage
end
end
end
#--------------------------------------------------------------------------
# ● 获取遇敌计数
#--------------------------------------------------------------------------
def encounter_count
return @encounter_count
end
#--------------------------------------------------------------------------
# ● 生成遇敌计数
#--------------------------------------------------------------------------
def make_encounter_count
# 两种颜色震动的图像
if $game_map.map_id != 0
n = $game_map.encounter_step
@encounter_count = rand(n) + rand(n) + 1
end
end
#--------------------------------------------------------------------------
# ● 刷新
#--------------------------------------------------------------------------
def refresh
# 同伴人数为 0 的情况下
if $game_party.actors.size == 0
# 清除角色的文件名及对像
@character_name = ""
@character_hue = 0
# 分支结束
return
end
# 获取带头的角色
actor = $game_party.actors[0]
# 设置角色的文件名及对像
@character_name = actor.character_name
@character_hue = actor.character_hue
# 初始化不透明度和合成方式子
@opacity = 255
@blend_type = 0
end
#--------------------------------------------------------------------------
# ● 同位置的事件启动判定
#--------------------------------------------------------------------------
def check_event_trigger_here(triggers)
result = false
# 事件执行中的情况下
if $game_system.map_interpreter.running?
return result
end
# 全部事件的循环
for event in $game_map.events.values
# 事件坐标与目标一致的情况下
if event.x == @x and event.y == @y and triggers.include?(event.trigger)
# 跳跃中以外的情况下、启动判定是同位置的事件
if not event.jumping? and event.over_trigger?
event.start
result = true
end
end
end
return result
end
#--------------------------------------------------------------------------
# ● 正面事件的启动判定
#--------------------------------------------------------------------------
def check_event_trigger_there(triggers)
result = false
# 事件执行中的情况下
if $game_system.map_interpreter.running?
return result
end
# 计算正面坐标
new_x = @x + (@direction == 6 ? 1 : @direction == 4 ? -1 : 0)
new_y = @y + (@direction == 2 ? 1 : @direction == 8 ? -1 : 0)
# 全部事件的循环
for event in $game_map.events.values
# 事件坐标与目标一致的情况下
if event.x == new_x and event.y == new_y and
triggers.include?(event.trigger)
# 跳跃中以外的情况下、启动判定是正面的事件
if not event.jumping? and not event.over_trigger?
event.start
result = true
end
end
end
# 找不到符合条件的事件的情况下
if result == false
# 正面的元件是计数器的情况下
if $game_map.counter?(new_x, new_y)
# 计算 1 元件里侧的坐标
new_x += (@direction == 6 ? 1 : @direction == 4 ? -1 : 0)
new_y += (@direction == 2 ? 1 : @direction == 8 ? -1 : 0)
# 全事件的循环
for event in $game_map.events.values
# 事件坐标与目标一致的情况下
if event.x == new_x and event.y == new_y and
triggers.include?(event.trigger)
# 跳跃中以外的情况下、启动判定是正面的事件
if not event.jumping? and not event.over_trigger?
event.start
result = true
end
end
end
end
end
return result
end
#--------------------------------------------------------------------------
# ● 接触事件启动判定
#--------------------------------------------------------------------------
def check_event_trigger_touch(x, y)
result = false
# 事件执行中的情况下
if $game_system.map_interpreter.running?
return result
end
# 全事件的循环
for event in $game_map.events.values
# 事件坐标与目标一致的情况下
if event.x == x and event.y == y and [1,2].include?(event.trigger)
# 跳跃中以外的情况下、启动判定是正面的事件
if not event.jumping? and not event.over_trigger?
event.start
result = true
end
end
end
return result
end
#--------------------------------------------------------------------------
# ● 画面更新
#--------------------------------------------------------------------------
def update
# 本地变量记录移动信息
last_moving = moving?
# 移动中、事件执行中、强制移动路线中、
# 信息窗口一个也不显示的时候
unless moving? or $game_system.map_interpreter.running? or
@move_route_forcing or $game_temp.message_window_showing
# 如果方向键被按下、主角就朝那个方向移动
case Input.dir4
when 2
move_down
when 4
move_left
when 6
move_right
when 8
move_up
end
end
# 本地变量记忆坐标
last_real_x = @real_x
last_real_y = @real_y
super
# 角色向下移动、画面上的位置在中央下方的情况下
if @real_y > last_real_y and @real_y - $game_map.display_y > CENTER_Y
# 画面向下卷动
$game_map.scroll_down(@real_y - last_real_y)
end
# 角色向左移动、画面上的位置在中央左方的情况下
if @real_x < last_real_x and @real_x - $game_map.display_x < CENTER_X
# 画面向左卷动
$game_map.scroll_left(last_real_x - @real_x)
end
# 角色向右移动、画面上的位置在中央右方的情况下
if @real_x > last_real_x and @real_x - $game_map.display_x > CENTER_X
# 画面向右卷动
$game_map.scroll_right(@real_x - last_real_x)
end
# 角色向上移动、画面上的位置在中央上方的情况下
if @real_y < last_real_y and @real_y - $game_map.display_y < CENTER_Y
# 画面向上卷动
$game_map.scroll_up(last_real_y - @real_y)
end
# 不在移动中的情况下
unless moving?
# 上次主角移动中的情况
if last_moving
# 与同位置的事件接触就判定为事件启动
result = check_event_trigger_here([1,2])
# 没有可以启动的事件的情况下
if result == false
# 调试模式为 ON 并且按下 CTRL 键的情况下除外
unless $DEBUG and Input.press?(Input::CTRL)
# 遇敌计数下降
if @encounter_count > 0
@encounter_count -= 1
end
end
end
end
# 按下 C 键的情况下
if $game_switches[$决定键失效] == true
else
if Input.trigger?(Input::C)
# 判定为同位置以及正面的事件启动
check_event_trigger_here([0])
check_event_trigger_there([0,1,2])
end
end
end
end
end

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