路径寻址怎样应用到事件上？

woodytt · 发表于 2011-8-2 14:16:55

路径寻址怎样应用到事件上？
脚本如下：

#==============================================================================
# ■ 路径寻址
#==============================================================================
# Near Fantastica
# 版本 1
# 29.11.05
#==============================================================================
# Lets the Player or Event draw a path from an desonation to the source. This
# method is very fast and because the pathfinding is imbedded into the Game
# Character the pathfinding can be interrupted or redrawn at any time.
#==============================================================================
# Player :: $game_player.find_path(x,y)
# Event Script Call :: self.event.find_path(x,y)
# Event Movement Script Call :: self.find_path(x,y)
#==============================================================================
# [VX] Simple Mouse System Note: I edited the method
# character.passable?(x, y, direction) to character.passable?(x, y)
# according to change of this method in VX.
#------------------------------------------------------------------------------
class Game_Character
#--------------------------------------------------------------------------
alias nf_pf_game_character_initialize initialize
alias nf_pf_game_character_update update
#--------------------------------------------------------------------------
attr_accessor :map
attr_accessor :runpath
#--------------------------------------------------------------------------
def initialize
nf_pf_game_character_initialize
@map = nil
@runpath = false
end
#--------------------------------------------------------------------------
def update
run_path if @runpath == true
nf_pf_game_character_update
end
#--------------------------------------------------------------------------
def run_path
return if moving?
step = @map[@x,@y]
if step == 1
@map = nil
@runpath = false
return
end
dir = rand(2)
case dir
when 0
move_right if @map[@x+1,@y] == step - 1 and step != 0
move_down if @map[@x,@y+1] == step - 1 and step != 0
move_left if @map[@x-1,@y] == step -1 and step != 0
move_up if @map[@x,@y-1] == step - 1 and step != 0
when 1
move_up if @map[@x,@y-1] == step - 1 and step != 0
move_left if @map[@x-1,@y] == step -1 and step != 0
move_down if @map[@x,@y+1] == step - 1 and step != 0
move_right if @map[@x+1,@y] == step - 1 and step != 0
end
end
#--------------------------------------------------------------------------
def find_path(x,y)
sx, sy = @x, @y
result = setup_map(sx,sy,x,y)
@runpath = result[0]
@map = result[1]
@map[sx,sy] = result[2] if result[2] != nil
end
#--------------------------------------------------------------------------
def clear_path
@map = nil
@runpath = false
end
#--------------------------------------------------------------------------
def setup_map(sx,sy,ex,ey)
map = Table.new($game_map.width, $game_map.height)
map[ex,ey] = 1
old_positions = []
new_positions = []
old_positions.push([ex, ey])
depth = 2
depth.upto(100){|step|
loop do
break if old_positions[0] == nil
x,y = old_positions.shift
return [true, map, step] if x == sx and y+1 == sy
if $game_player.passable?(x, y) and map[x,y + 1] == 0
map[x,y + 1] = step
new_positions.push([x,y + 1])
end
return [true, map, step] if x-1 == sx and y == sy
if $game_player.passable?(x, y) and map[x - 1,y] == 0
map[x - 1,y] = step
new_positions.push([x - 1,y])
end
return [true, map, step] if x+1 == sx and y == sy
if $game_player.passable?(x, y) and map[x + 1,y] == 0
map[x + 1,y] = step
new_positions.push([x + 1,y])
end
return [true, map, step] if x == sx and y-1 == sy
if $game_player.passable?(x, y) and map[x,y - 1] == 0
map[x,y - 1] = step
new_positions.push([x,y - 1])
end
end
old_positions = new_positions
new_positions = []
}
return [false, nil, nil]
end
end
class Game_Map
#--------------------------------------------------------------------------
alias pf_game_map_setup setup
#--------------------------------------------------------------------------
def setup(map_id)
pf_game_map_setup(map_id)
$game_player.clear_path
end
end
class Game_Player
#--------------------------------------------------------------------------
alias pf_game_player_update update
#--------------------------------------------------------------------------
def update
$game_player.clear_path if Input.dir4 != 0
pf_game_player_update
end
end
class Interpreter
#--------------------------------------------------------------------------
def event
return $game_map.events[@event_id]
end
end

复制代码

在事件指令RGSS里写：$game_event(1,0).clear_path
$game_event(1,0).find_path(8, 12)
结果脚本错误。请高手解惑！

woodytt于2011-8-2 14:31补充以下内容：

解决了！！！把clear_path和find_path(8, 12)直接写到“事件指令——设定移动路线”里就行了

woodytt于2011-8-2 14:32补充以下内容：

可以做成很多类型的游戏啦

fux2 · 发表于 2011-8-2 17:22:25

既然这个脚本是作用在Character类上面的，你可以试试在事件"移动路线"里设定脚本"find_path(x,y)"
当然，这只是猜测，不行再问吧.

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