技能回收最多3个

lua/app/module/battle/battle_const.lua

@@ -46,6 +46,7 @@ BattleConst.RECOVER_HP_COUNT = 3
 BattleConst.RECOVER_HP_INTERVAL = 0.2
 BattleConst.RECOVER_HP_PERCENT = 333
 BattleConst.EFFECT_NUMBER_DELAY = 0.2
+BattleConst.MAX_CACHE_SKILL_COUNT = 3
 
 BattleConst.BATTLE_ROUND_STEP = {
     WAIT_BEGIN = 0,             -- 等待开始

lua/app/ui/battle/battle_ui.lua

@@ -46,6 +46,7 @@ function BattleUI:_display()
     self.boardCacheNode = uiMap["battle_ui.bg_2.board_cache_node"]
     self.boardCacheNode:setVisible(false)
     self.boardCacheBox = uiMap["battle_ui.bg_2.board_cache_node.skill_box"]
+    self.boardCacheBox:setAnchoredPositionX(DEFAULT_X)
     self.battleRoot = uiMap["battle_ui.battle_root"]
     self:initBg()
     self:initSkill()

lua/app/userdata/battle/battle_data.lua

@@ -418,9 +418,29 @@ end
 function BattleData:cacheBoardSkill()
     self.cacheSkillList = {}
     self.cacheSkillCount = 0
+    local list
+    local count = 0
     for posId, entity in pairs(self:getGridEnties()) do
         if entity:getSkillId() then
-            table.insert(self.cacheSkillList, {skillId = entity:getSkillId(), posId = posId})
+            if not list then
+                list = {}
+            end
+            table.insert(list, {skillId = entity:getSkillId(), posId = posId})
+            count = count + 1
+        end
+    end
+
+    if list then
+        if count > BattleConst.MAX_CACHE_SKILL_COUNT then
+            count = BattleConst.MAX_CACHE_SKILL_COUNT
+        end
+
+        for i = 1, count do
+            if not list[1] then
+                break
+            end
+            local info = table.remove(list, math.random(1, #list))
+            table.insert(self.cacheSkillList, info)
             self.cacheSkillCount = self.cacheSkillCount + 1
         end
     end