allow AnimationNode to not have its own animation

lib/animation_node.lua

@@ -30,11 +30,13 @@ function animation:chain(children)
     return self
 end
 
---- @param data {[1]: animationRunner, onEnd?: voidCallback, children?: AnimationNode[]}
+--- @param data {[1]: animationRunner?, onEnd?: voidCallback, children?: AnimationNode[]}
 --- @return AnimationNode
 local function new(data)
     local t = setmetatable({}, animation)
-    t.run = data[1]
+    t.run = data[1] or function(self)
+        self:finish()
+    end
     t.onEnd = data.onEnd
     t.count = 1 -- своя анимация
     t.children = {}

lib/spellbook.lua

@@ -115,9 +115,6 @@ function attack:cast(caster, target)
     if not sprite or not targetSprite then return true end
 
     AnimationNode {
-        function(node)
-            caster:has(Tree.behaviors.residentsleeper):sleep(0, node)
-        end,
         onEnd = function() caster:has(Tree.behaviors.spellcaster):endCast() end,
         children = {
             AnimationNode {