Event (#70)

将执行回合和摸初始牌作为了“事件”
同时为事件添加了自定义清理函数（未经测试

lua/server/events/gameflow.lua

@@ -0,0 +1,11 @@
+GameEvent.functions[GameEvent.DrawInitial] = function(self)
+  local room = self.room
+  for _, p in ipairs(room.alive_players) do
+    room.logic:trigger(fk.DrawInitialCards, p, { num = 4 })
+  end
+end
+
+GameEvent.functions[GameEvent.Turn] = function(self)
+  local room = self.room
+  room.logic:trigger(fk.TurnStart, room.current)
+end

lua/server/events/init.lua

@@ -26,6 +26,10 @@ dofile "lua/server/events/skill.lua"
 GameEvent.Judge = 14
 dofile "lua/server/events/judge.lua"
 
+GameEvent.DrawInitial = 15
+GameEvent.Turn = 16
+dofile "lua/server/events/gameflow.lua"
+
 -- TODO: fix this
 GameEvent.BreakEvent = 999
 

lua/server/events/judge.lua

@@ -49,6 +49,7 @@ GameEvent.cleaners[GameEvent.Judge] = function(self)
   if self:getCardArea(data.card.id) == Card.Processing then
     self:moveCardTo(data.card, Card.DiscardPile, nil, fk.ReasonPutIntoDiscardPile)
   end
+  if not self.interrupted then return end
 
   -- prohibit access to judge.card
   setmetatable(data, {

lua/server/gameevent.lua

@@ -2,6 +2,10 @@
 ---@field room Room
 ---@field event integer
 ---@field data any
+---@field main_func fun(self: GameEvent)
+---@field clear_func fun(self: GameEvent)
+---@field extra_clear_funcs any[]
+---@field interrupted boolean
 local GameEvent = class("GameEvent")
 
 GameEvent.functions = {}
@@ -19,6 +23,15 @@ function GameEvent:initialize(event, ...)
   self.data = { ... }
   self.main_func = wrapCoFunc(GameEvent.functions[event], self) or dummyFunc
   self.clear_func = wrapCoFunc(GameEvent.cleaners[event], self) or dummyFunc
+  self.extra_clear_funcs = {}
+  self.interrupted = false
+end
+
+function GameEvent:clear()
+  for _, f in ipairs(self.extra_clear_funcs) do
+    if type(f) == "function" then f(self) end
+  end
+  self:clear_func()
 end
 
 function GameEvent:exec()
@@ -38,7 +51,8 @@ function GameEvent:exec()
         fk.qCritical(yield_result)
         print(debug.traceback(co))
       end
-      self.clear_func()
+      self.interrupted = true
+      self:clear()
       ret = true
       break
     end
@@ -50,7 +64,8 @@ function GameEvent:exec()
     elseif type(yield_result) == "table" and yield_result.class
       and yield_result:isInstanceOf(GameEvent) then
       -- yield to corresponding GameEvent, first pop self from stack
-      self.clear_func()
+      self.interrupted = true
+      self:clear()
       logic.game_event_stack:pop(self)
 
       -- then, call yield
@@ -61,7 +76,8 @@ function GameEvent:exec()
       local cancelEvent = GameEvent:new(GameEvent.BreakEvent, self)
       local notcanceled = cancelEvent:exec()
       if not notcanceled then
-        self.clear_func()
+        self.interrupted = true
+        self:clear()
         ret = true
         extra_ret = extra_yield_result
         break
@@ -69,6 +85,7 @@ function GameEvent:exec()
 
     else
       -- normally exit, simply break the loop
+      self:clear()
       extra_ret = yield_result
       break
     end

lua/server/gamelogic.lua

@@ -40,6 +40,13 @@ function GameLogic:run()
   self:action()
 end
 
+local function execGameEvent(type, ...)
+  local event = GameEvent:new(type, ...)
+  local _, ret = event:exec()
+  return ret
+end
+
+
 function GameLogic:assignRoles()
   local room = self.room
   local n = #room.players
@@ -162,12 +169,10 @@ function GameLogic:action()
   self:trigger(fk.GameStart)
   local room = self.room
 
-  for _, p in ipairs(room.alive_players) do
-    self:trigger(fk.DrawInitialCards, p, { num = 4 })
-  end
+  execGameEvent(GameEvent.DrawInitial)
 
   while true do
-    self:trigger(fk.TurnStart, room.current)
+    execGameEvent(GameEvent.Turn)
     if room.game_finished then break end
     room.current = room.current:getNextAlive()
   end