42 changed files with 412 additions and 1132 deletions
--- a/assets/audio/music/level1/bass/bass.ogg
+++ b/assets/audio/music/level1/bass/bass.ogg
--- a/assets/audio/music/level1/battle.ogg
+++ b/assets/audio/music/level1/battle.ogg
--- a/assets/audio/music/level1/choral.ogg
+++ b/assets/audio/music/level1/choral.ogg
--- a/assets/audio/music/level1/drums.ogg
+++ b/assets/audio/music/level1/drums.ogg
--- a/assets/audio/music/level1/flute.ogg
+++ b/assets/audio/music/level1/flute.ogg
--- a/assets/audio/music/level1/guitar.ogg
+++ b/assets/audio/music/level1/guitar.ogg
--- a/assets/audio/music/level1/violin.ogg
+++ b/assets/audio/music/level1/violin.ogg
--- a/assets/audio/sounds/hurt.ogg
+++ b/assets/audio/sounds/hurt.ogg
--- a/assets/shaders/divine_ripple.glsl
+++ b/assets/shaders/divine_ripple.glsl
@ -1,47 +0,0 @@
-extern vec2 center;
-extern number time;
-extern number intensity;
-extern vec2 screenSize;
-
-// Hexagon grid logic
-// Returns distance to nearest hex center
-float hexDist(vec2 p) {
-    p = abs(p);
-    float c = dot(p, normalize(vec2(1.0, 1.73)));
-    c = max(c, p.x);
-    return c;
-}
-
-vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 screen_coords) {
-    // Normalize coordinates to -1..1, correcting for aspect ratio
-    vec2 aspect = vec2(screenSize.x / screenSize.y, 1.0);
-    vec2 uv = (screen_coords / screenSize.y) - (center / screenSize.y);
-    
-    // Wave parameters
-    float dist = length(uv);
-    float speed = 5.0;
-    float waveWidth = 0.1;
-    float decay = 1.0 - smoothstep(0.0, 1.5, dist); // Decay over distance
-    
-    // Calculate wave pulse
-    float wavePhase = time * speed;
-    float pulse = smoothstep(waveWidth, 0.0, abs(dist - mod(wavePhase, 2.0)));
-    
-    // Hex grid pattern (visual only)
-    vec2 hexUV = screen_coords * 0.05; // Scale grid
-    // Basic hex grid approximation
-    vec2 q = vec2(hexUV.x * 2.0/3.0, hexUV.y);
-    
-    // Distortion
-    vec2 distort = normalize(uv) * pulse * intensity * 0.02 * decay;
-    vec2 finalUV = texture_coords - distort;
-    
-    // Sample texture with distortion
-    vec4 texColor = Texel(texture, finalUV);
-    
-    // Add divine glow at the wavefront
-    vec4 glowColor = vec4(1.0, 0.8, 0.4, 1.0); // Gold/Kitsune-fire color
-    texColor += glowColor * pulse * decay * 0.5;
-    
-    return texColor * color;
-}
--- a/lib/animation_node.lua
+++ b/lib/animation_node.lua
@ -0,0 +1,102 @@
+local easing = require "lib.utils.easing"
+
+--- @alias voidCallback fun(): nil
+--- @alias animationRunner fun(node: AnimationNode)
+
+--- Узел дерева анимаций.
+---
+--- Отслеживает завершение всех анимаций всех дочерних узлов и оповещает вышестоящий узел.
+---
+--- Дочерние узлы одного уровня запускают свою анимацию одновременно после завершения анимации родителя.
+--- Example:
+--- ```lua
+---     AnimationNode {
+---         function (node) residentsleeper:sleep(1000, node) end, -- must pass itself down as the parameter
+---         onEnd = function() print("completed") end,
+---         children = { -- children run in parallel after the parent animation is completed
+---             AnimationNode {
+---                 function (node) sprite:animate("attack", node) end
+---             },
+---             AnimationNode {
+---                 function (node) other_sprite:animate("hurt", node) end
+---             },
+---         }
+---     }:run()
+--- ```
+--- @class AnimationNode
+--- @field count integer
+--- @field run animationRunner
+--- @field parent AnimationNode?
+--- @field children AnimationNode[]
+--- @field finish voidCallback
+--- @field onEnd voidCallback?
+--- @field duration number продолжительность в миллисекундах
+--- @field easing ease функция смягчения
+--- @field t number прогресс анимации
+--- @field state "running" | "waiting" | "finished"
+local animation = {}
+animation.__index = animation
+
+--- Регистрация завершения дочерней анимации
+function animation:bubbleUp()
+    self.count = self.count - 1
+    if self.count > 0 then return end
+    self.state = "finished"
+    if self.onEnd then self.onEnd() end
+    if self.parent then self.parent:bubbleUp() end
+end
+
+--- @param children AnimationNode[]
+--- Запланировать анимации после текущей, которые запустятся одновременно друг с другом
+function animation:chain(children)
+    for _, child in ipairs(children) do
+        child.parent = self
+        table.insert(self.children, child)
+        self.count = self.count + 1
+    end
+    return self
+end
+
+--- Возвращает текущий прогресс анимации с учетом смягчения
+function animation:getValue()
+    return self.easing(self.t)
+end
+
+function animation:update(dt)
+    if self.state ~= "running" then return end
+
+    if self.t < 1 then
+        self.t = self.t + dt * 1000 / self.duration -- в знаменателе продолжительность анимации в секундах
+    else
+        self.t = 1
+        self:finish()
+    end
+end
+
+--- @param data {[1]: animationRunner?, onEnd?: voidCallback, duration: number?, easing: ease?, children?: AnimationNode[]}
+--- @return AnimationNode
+local function new(data)
+    local t = setmetatable({}, animation)
+    t.run = data[1] or function(self)
+        self:finish()
+    end
+    t.onEnd = data.onEnd
+    t.count = 1 -- своя анимация
+    t.children = {}
+    t:chain(data.children or {})
+    t.duration = data.duration or 1000
+    t.easing = data.easing or easing.linear
+    t.t = 0
+    t.state = "running"
+    t.finish = function()
+        if t.state ~= "running" then return end
+        t.state = "waiting"
+        t:bubbleUp()
+        for _, anim in ipairs(t.children) do
+            anim:run()
+        end
+    end
+    return t
+end
+
+return new
--- a/lib/annotations.lua
+++ b/lib/annotations.lua
@ -8,6 +8,3 @@ Tree.behaviors.light           = require "character.behaviors.light"
 Tree.behaviors.positioned      = require "character.behaviors.positioned"
 Tree.behaviors.tiled           = require "character.behaviors.tiled"
 Tree.behaviors.cursor          = require "character.behaviors.cursor"
-Tree.behaviors.ai              = require "lib.character.behaviors.ai"
-
--- @alias voidCallback fun(): nil
--- a/lib/audio.lua
+++ b/lib/audio.lua
@ -1,99 +0,0 @@
-local task = require "lib.utils.task"
-local ease = require "lib.utils.easing"
-
-local EFFECTS_SUPPORTED = love.audio.isEffectsSupported()
-
--- @alias SourceFilter { type: "bandpass"|"highpass"|"lowpass", volume: number, highgain: number, lowgain: number }
-
--- @class Audio
--- @field musicVolume number
--- @field soundVolume number
--- @field looped boolean
--- @field from love.Source?
--- @field to love.Source?
-audio = {}
-audio.__index = audio
-
--- здесь мы должны выгружать значения из файлика с сохранением настроек
-local function new(musicVolume, soundVolume)
-    return setmetatable({
-        musicVolume = musicVolume,
-        soundVolume = soundVolume,
-        looped = true
-    }, audio)
-end
-
-function audio:update(dt)
-    if self.fader then
-        local t = self.fader.value
-        if self.from then self.from:setVolume(self.musicVolume * (1 - t)) end
-        if self.to then self.to:setVolume(self.musicVolume * t) end
-    end
-end
-
--- if from is nil, than we have fade in to;
--- if to is nil, than we have fade out from
---
--- also we should guarantee, that from and to have the same volume
--- @param from love.Source
--- @param to love.Source
--- @param ms number? in milliseconds
-function audio:crossfade(from, to, ms)
-    print("[Audio]: Triggered crossfade")
-
-    -- Stop previous 'from' if it's dangling to avoid leaks
-    if self.from and self.from ~= from and self.from ~= to then
-        self.from:stop()
-    end
-
-    self:play(to)
-    to:setVolume(0)
-    self.from = from
-    self.to = to
-
-    -- Reuse fader object to allow task cancellation
-    if not self.fader then self.fader = { value = 0 } end
-    self.fader.value = 0
-
-    task.tween(self.fader, { value = 1 }, ms or 1000, ease.easeOutCubic)(function()
-        if self.from then
-            self.from:setVolume(0)
-            self.from:stop()
-        end
-        if self.to then
-            self.to:setVolume(self.musicVolume)
-        end
-        self.fader = nil
-        print("[Audio]: Crossfade done")
-    end)
-end
-
--- @param source love.Source
--- @param settings SourceFilter?
--- @param effectName string?
-function audio:play(source, settings, effectName)
-    if source:getType() == "stream" then
-        source:setLooping(self.looped)
-        source:setVolume(self.musicVolume)
-        source:play()
-    else
-        source:setVolume(self.soundVolume)
-        source:play()
-    end
-    if settings and EFFECTS_SUPPORTED then
-        source.setFilter(source, settings)
-    end
-    if effectName and EFFECTS_SUPPORTED then
-        source:setEffect(effectName, true)
-    end
-end
-
-function audio:setMusicVolume(volume)
-    self.musicVolume = volume
-end
-
-function audio:setSoundVolume(volume)
-    self.soundVolume = volume
-end
-
-return { new = new }
--- a/lib/character/behaviors/ai.lua
+++ b/lib/character/behaviors/ai.lua
@ -1,64 +0,0 @@
-local easing = require "lib.utils.easing"
-
-local function closestCharacter(char)
-    local caster = Vec3 {}
-    char:try(Tree.behaviors.positioned, function(b)
-        caster = b.position
-    end)
-    local charTarget
-    local minDist = 88005553535 -- spooky magic number
-    for k, v in pairs(Tree.level.characters) do
-        v:try(Tree.behaviors.positioned, function(b)
-            local dist = ((caster.x - b.position.x) ^ 2 + (caster.y - b.position.y) ^ 2) ^ 0.5
-            if dist < minDist and dist ~= 0 then
-                minDist = dist
-                charTarget = v
-            end
-            -- print(k, b.position)
-        end)
-    end
-    return charTarget
-end
-
--- @class AIBehavior : Behavior
--- @field target Vec3?
-local behavior = {}
-behavior.__index = behavior
-behavior.id = "ai"
-
-function behavior.new()
-    return setmetatable({}, behavior)
-end
-
--- @return Task<nil>
-function behavior:makeTurn()
-    return function(callback) -- почему так, описано в Task
-        self.owner:try(Tree.behaviors.spellcaster, function(spellB)
-            local charTarget = closestCharacter(self.owner)
-            charTarget:try(Tree.behaviors.positioned, function(b)
-                self.target = Vec3 { b.position.x, b.position.y + 1 } --- @todo тут захардкожено + 1, но мы должны как-то хитро определять с какой стороны обойти
-            end)
-
-            local task1 = spellB.spellbook[1]:cast(self.owner, self.target)
-            if task1 then
-                task1(
-                    function()
-                        -- здесь мы оказываемся после того, как сходили в первый раз
-                        local newTarget = Vec3 { 1, 1 }
-                        local task2 = spellB.spellbook[1]:cast(self.owner, newTarget)
-                        if task2 then
-                            -- дергаем функцию после завершения хода
-                            task2(callback)
-                        else
-                            callback()
-                        end
-                    end
-                )
-            else
-                callback()
-            end
-        end)
-    end
-end
-
-return behavior
--- a/lib/character/behaviors/light.lua
+++ b/lib/character/behaviors/light.lua
@ -1,10 +1,10 @@
-local task = require "lib.utils.task"
-
 --- @class LightBehavior : Behavior
 --- @field intensity number
 --- @field color Vec3
 --- @field seed integer
--- @field private animateColorTask? Task
+--- @field colorAnimationNode? AnimationNode
+--- @field targetColor? Vec3
+--- @field sourceColor? Vec3
 local behavior = {}
 behavior.__index = behavior
 behavior.id = "light"
@ -20,12 +20,17 @@ function behavior.new(values)
 end

 function behavior:update(dt)
-    -- All logic moved to tasks
+    if not self.colorAnimationNode then return end
+    local delta = self.targetColor - self.sourceColor
+    self.color = self.sourceColor + delta * self.colorAnimationNode:getValue()
+    self.colorAnimationNode:update(dt)
 end

-function behavior:animateColor(targetColor, duration, easing)
-    -- If there's support for canceling tasks, we should do it here
-    return task.tween(self, { color = targetColor }, duration or 800, easing)
+function behavior:animateColor(targetColor, animationNode)
+    if self.colorAnimationNode then self.colorAnimationNode:finish() end
+    self.colorAnimationNode = animationNode
+    self.sourceColor = self.color
+    self.targetColor = targetColor
 end

 function behavior:draw()
--- a/lib/character/behaviors/residentsleeper.lua
+++ b/lib/character/behaviors/residentsleeper.lua
@ -1,37 +1,21 @@
 --- Умеет асинхронно ждать какое-то время (для анимаций)
 --- @class ResidentSleeperBehavior : Behavior
--- @field private t0 number?
--- @field private sleepTime number?
--- @field private callback voidCallback?
--- @field private state 'running' | 'finished'
+--- @field animationNode? AnimationNode
 local behavior = {}
 behavior.__index = behavior
 behavior.id = "residentsleeper"

 function behavior.new() return setmetatable({}, behavior) end

-function behavior:update(_)
-    if self.state ~= 'running' then return end
-
-    local t = love.timer.getTime()
-    if t >= self.t0 + self.sleepTime then
-        self.state = 'finished'
-        self.callback()
-    end
+function behavior:update(dt)
+    if not self.animationNode then return end
+    self.animationNode:update(dt)
 end

--- @return Task<nil>
-function behavior:sleep(ms)
-    self.sleepTime = ms / 1000
-    return function(callback)
-        if self.state == 'running' then
-            self.callback()
-        end
-
-        self.t0 = love.timer.getTime()
-        self.callback = callback
-        self.state = 'running'
-    end
+--- @param node AnimationNode
+function behavior:sleep(node)
+    if self.animationNode then self.animationNode:finish() end
+    self.animationNode = node
 end

 return behavior
--- a/lib/character/behaviors/spellcaster.lua
+++ b/lib/character/behaviors/spellcaster.lua
@ -1,13 +1,11 @@
 --- @class SpellcasterBehavior : Behavior
 --- @field spellbook Spell[] собственный набор спеллов персонажа
 --- @field cast Spell | nil ссылка на активный спелл из спеллбука
--- @field cooldowns {[string]: integer} текущий кулдаун спеллов по тегам
 --- @field state "idle" | "casting" | "running"
 local behavior = {}
 behavior.__index = behavior
 behavior.id = "spellcaster"
 behavior.state = "idle"
-behavior.cooldowns = {}

 ---@param spellbook Spell[] | nil
 ---@return SpellcasterBehavior
@ -15,7 +13,6 @@ function behavior.new(spellbook)
    local spb = require "lib.spellbook" --- @todo временное добавление ходьбы (и читов) всем персонажам
    local t = {}
    t.spellbook = spellbook or spb.of { spb.walk, spb.regenerateMana, spb.attack }
-    t.cooldowns = {}
    return setmetatable(t, behavior)
 end

@ -26,14 +23,6 @@ function behavior:endCast()
    Tree.level.selector:unlock()
 end

-function behavior:processCooldowns()
-    local cds = {}
-    for tag, cd in pairs(self.cooldowns) do
-        cds[tag] = (cd - 1) >= 0 and cd - 1 or 0
-    end
-    self.cooldowns = cds
-end
-
 function behavior:update(dt)
    if Tree.level.selector:deselected() then
        self.state = "idle"
--- a/lib/character/behaviors/sprite.lua
+++ b/lib/character/behaviors/sprite.lua
@ -69,21 +69,18 @@ function sprite:draw()
    )
 end

--- @return Task<nil>
-function sprite:animate(state)
-    return function(callback)
+--- @param node AnimationNode
+function sprite:animate(state, node)
    if not self.animationGrid[state] then
-            print("[SpriteBehavior]: no animation for '" .. state .. "'")
-            callback()
+        return print("[SpriteBehavior]: no animation for '" .. state .. "'")
    end
    self.animationTable[state] = anim8.newAnimation(self.animationGrid[state], self.ANIMATION_SPEED,
        function()
            self:loop("idle")
-                callback()
+            node:finish()
        end)
    self.state = state
 end
-end

 function sprite:loop(state)
    if not self.animationGrid[state] then
--- a/lib/character/behaviors/tiled.lua
+++ b/lib/character/behaviors/tiled.lua
@ -1,7 +1,12 @@
-local task = require "lib.utils.task"
+local utils = require "lib.utils.utils"

 --- Отвечает за перемещение по тайлам
 --- @class TiledBehavior : Behavior
+--- @field private runSource? Vec3 точка, из которой бежит персонаж
+--- @field private runTarget? Vec3 точка, в которую в данный момент бежит персонаж
+--- @field private path? Deque путь, по которому сейчас бежит персонаж
+--- @field private animationNode? AnimationNode AnimationNode, с которым связана анимация перемещения
+--- @field private t0 number время начала движения
 --- @field size Vec3
 local behavior = {}
 behavior.__index = behavior
@ -15,35 +20,29 @@ function behavior.new(size)
 end

 --- @param path Deque
--- @return Task<nil>
-function behavior:followPath(path)
-    if path:is_empty() then return task.fromValue(nil) end
-
+--- @param animationNode AnimationNode
+function behavior:followPath(path, animationNode)
+    if path:is_empty() then return animationNode:finish() end
+    self.animationNode = animationNode
    self.owner:try(Tree.behaviors.sprite, function(sprite)
        sprite:loop("run")
    end)
-
-    -- Рекурсивная функция для прохода по пути
-    local function nextStep()
-        if path:is_empty() then
-            self.owner:try(Tree.behaviors.sprite, function(sprite)
-                sprite:loop("idle")
-            end)
-            return task.fromValue(nil)
-        end
-
-        local nextCell = path:pop_front()
-        return task.chain(self:runTo(nextCell), nextStep)
-    end
-
-    return nextStep()
+    self.path = path;
+    ---@type Vec3
+    local nextCell = path:peek_front()
+    self:runTo(nextCell)
+    path:pop_front()
 end

 --- @param target Vec3
--- @return Task<nil>
 function behavior:runTo(target)
    local positioned = self.owner:has(Tree.behaviors.positioned)
-    if not positioned then return task.fromValue(nil) end
+    if not positioned then return end
+
+    self.t0 = love.timer.getTime()
+    self.runTarget = target
+
+    self.runSource = positioned.position

    self.owner:try(Tree.behaviors.sprite,
        function(sprite)
@ -54,15 +53,31 @@ function behavior:runTo(target)
            end
        end
    )
-
-    local distance = target:subtract(positioned.position):length()
-    local duration = distance * 500 -- 500ms per unit
-
-    return task.tween(positioned, { position = target }, duration)
 end

 function behavior:update(dt)
-    -- Logic moved to tasks
+    if self.runTarget then
+        local positioned = self.owner:has(Tree.behaviors.positioned)
+        if not positioned then return end
+
+        local delta = love.timer.getTime() - self.t0 or love.timer.getTime()
+        local fraction = delta /
+            (0.5 * self.runTarget:subtract(self.runSource):length()) -- бежим одну клетку за 500 мс, по диагонали больше
+        if fraction >= 1 then                                        -- анимация перемещена завершена
+            positioned.position = self.runTarget
+            if not self.path:is_empty() then                         -- еще есть, куда бежать
+                self:runTo(self.path:pop_front())
+            else                                                     -- мы добежали до финальной цели
+                self.owner:try(Tree.behaviors.sprite, function(sprite)
+                    sprite:loop("idle")
+                end)
+                self.runTarget = nil
+                if self.animationNode then self.animationNode:finish() end
+            end
+        else                                                                           -- анимация перемещения не завершена
+            positioned.position = utils.lerp(self.runSource, self.runTarget, fraction) -- линейный интерполятор
+        end
+    end
 end

 return behavior
--- a/lib/level/camera.lua
+++ b/lib/level/camera.lua
@ -1,7 +1,5 @@
 local Vec3 = require "lib.utils.vec3"
 local utils = require "lib.utils.utils"
-local task = require "lib.utils.task"
-local easing = require "lib.utils.easing"

 local EPSILON = 0.001

@ -11,6 +9,9 @@ local EPSILON = 0.001
 --- @field speed number
 --- @field pixelsPerMeter integer
 --- @field scale number
+--- @field animationNode AnimationNode?
+--- @field animationEndPosition Vec3
+--- @field animationBeginPosition Vec3
 local camera = {
    position = Vec3 {},
    velocity = Vec3 {},
@ -37,6 +38,12 @@ local controlMap = {
 }

 function camera:update(dt)
+    if self.animationNode and self.animationNode.state == "running" then
+        self.animationNode:update(dt) -- тик анимации
+        self.position = utils.lerp(self.animationBeginPosition, self.animationEndPosition, self.animationNode:getValue())
+        return
+    end
+
    -------------------- зум на колесо ---------------------
    local y = Tree.controls.mouseWheelY
    if camera.scale > camera:getDefaultScale() * 5 and y > 0 then return end;
@ -90,14 +97,14 @@ function camera:detach()
    love.graphics.pop()
 end

--- Плавно перемещает камеру к указанной точке.
 --- @param position Vec3
--- @param duration number?
--- @param easing function?
--- @return Task
-function camera:animateTo(position, duration, easing)
-    self.velocity = Vec3 {} -- Сбрасываем инерцию перед началом анимации
-    return task.tween(self, { position = position }, duration or 1000, easing)
+--- @param animationNode AnimationNode
+function camera:animateTo(position, animationNode)
+    if self.animationNode and self.animationNode.state ~= "finished" then self.animationNode:finish() end
+    self.animationNode = animationNode
+    self.animationEndPosition = position
+    self.animationBeginPosition = self.position
+    self.velocity = Vec3 {}
 end

 --- @return Camera
--- a/lib/level/grid/base.lua
+++ b/lib/level/grid/base.lua
@ -8,7 +8,7 @@ grid.__index = grid
 --- adds a value to the grid
 --- @param value any
 function grid:add(value)
-    self.__grid[tostring(value.position)] = value
+    grid[tostring(value.position)] = value
 end

 --- @param position Vec3
--- a/lib/level/level.lua
+++ b/lib/level/level.lua
@ -19,9 +19,6 @@ level.__index = level
 local function new(type, template)
    local size = Vec3 { 30, 30 } -- magic numbers for testing purposes only
    print(type, template, size)
-
-    Tree.audio:play(Tree.assets.files.audio.music.level1.battle)
-
    return setmetatable({
        size = size,
        characters = {},
@ -40,7 +37,6 @@ end
 function level:update(dt)
    utils.each(self.deadIds, function(id)
        self.characters[id] = nil
-        self.turnOrder:remove(id)
    end)
    self.deadIds = {}

--- a/lib/level/selector.lua
+++ b/lib/level/selector.lua
@ -37,18 +37,10 @@ function selector:update(dt)
                if not selectedId then self:select(nil) end
                return
            end
-            local task = b.cast:cast(char, mousePosition) -- в task функция, которая запускает анимацию спелла
-            if not task then return end                   -- не получилось скастовать
-
+            if b.cast:cast(char, mousePosition) then
                self:lock()
                b.state = "running"
-
-            task(
-                function(_)                                                          -- это коллбэк, который сработает по окончании анимации спелла
-                    b:endCast()
-                    if not char:has(Tree.behaviors.ai) then self:select(char.id) end -- выделяем персонажа обратно после того, как посмотрели на каст
            end
-            )
        end)
    end
 end
--- a/lib/level/turn_order.lua
+++ b/lib/level/turn_order.lua
@ -1,5 +1,4 @@
 local PriorityQueue = require "lib.utils.priority_queue"
-local easing               = require "lib.utils.easing"

 local initiativeComparator = function(id_a, id_b)
    local res = Tree.level.characters[id_a]:try(Tree.behaviors.stats, function(astats)
@ -30,47 +29,17 @@ end
 --- Перемещаем активного персонажа в очередь сходивших
 ---
 --- Если в очереди на ход больше никого нет, заканчиваем раунд
---
--- Анимируем камеру к следующему персонажу. Если это ИИ, то активируем его логику.
 function turnOrder:next()
    self.actedQueue:insert(self.current)
    local next = self.pendingQueue:peek()
-    if not next then self:endRound() else self.current = self.pendingQueue:pop() end
-
-    local char = Tree.level.characters[self.current]
-
-    Tree.level.selector:lock()
-    char:try(Tree.behaviors.positioned, function(positioned)
-        Tree.level.camera:animateTo(positioned.position, 1500, easing.easeInOutCubic)(
-            function()
-                if char:has(Tree.behaviors.ai) then
-                    char:has(Tree.behaviors.ai):makeTurn()(
-                        function()
-                            self:next()
-                        end)
-                else
-                    Tree.level.selector:unlock()
-                    Tree.level.selector:select(self.current)
-                end
-            end
-        )
-    end)
+    if not next then return self:endRound() end
+    self.current = self.pendingQueue:pop()
 end

--- Производим действия в конце раунда
---
 --- Меняем местами очередь сходивших и не сходивших (пустую)
 function turnOrder:endRound()
    assert(self.pendingQueue:size() == 0, "[TurnOrder]: tried to end the round before everyone had a turn")
    print("[TurnOrder]: end of the round")
-
-    for _, id in ipairs(self.actedQueue.data) do
-        local char = Tree.level.characters[id]
-        char:try(Tree.behaviors.spellcaster, function(spellcaster)
-            spellcaster:processCooldowns()
-        end)
-    end
-
    self.actedQueue, self.pendingQueue = self.pendingQueue, self.actedQueue
    self.current = self.pendingQueue:pop()
 end
@ -139,29 +108,4 @@ function turnOrder:add(id)
    self.actedQueue:insert(id) -- новые персонажи по умолчанию попадают в очередь следующего хода
 end

--- Удалить персонажа из очереди хода (например, при смерти)
--- @param id Id
-function turnOrder:remove(id)
-    if self.current == id then
-        self.current = self.pendingQueue:pop()
-        if not self.current then
-            self:endRound()
-        end
-        return
-    end
-
-    local function filterQueue(q, targetId)
-        local newQ = PriorityQueue.new(initiativeComparator)
-        for _, val in ipairs(q.data) do
-            if val ~= targetId then
-                newQ:insert(val)
-            end
-        end
-        return newQ
-    end
-
-    self.actedQueue = filterQueue(self.actedQueue, id)
-    self.pendingQueue = filterQueue(self.pendingQueue, id)
-end
-
 return { new = new }
--- a/lib/music.lua
+++ b/lib/music.lua
@ -1,52 +0,0 @@
-- --- @class Music
-- --- @field source table<string, love.Source> audio streams, that supports multitrack (kind of)
-- --- @field offset number
-- music = {}
-- music.__index = music
-
-- --- @param path string accepts path to dir with some music files (example: "main_ambient"; "player/theme1" and etc etc)
-- local function new(path)
--     local dir = Tree.assets.files.audio.music[path]
--     --- @type table<string, love.Source>
--     local source = {}
--     print(dir)
-
--     for _, v in pairs(dir) do
--         print(v.filename)
--         source[v.filename] = v.source
--         print(v.filename)
--     end
-
--     print('[music]: new source: ', table.concat(source, ' '))
-
--     return setmetatable({ source = source, offset = 0 }, music)
-- end
-
-- function music:update()
--     for _, v in ipairs(self.source) do
--         v:seek()
--     end
-- end
-
-- --- pause stemfile or music at all
-- --- @param filename? string
-- function music:pause(filename)
--     if filename then
--         self.source[filename]:pause()
--     else
--         for _, v in pairs(self.source) do
--             v:pause()
--         end
--     end
-- end
-
-- --- play music stemfile by his name
-- --- @param filename string
-- --- @return boolean
-- function music:play(filename)
--     print('[music]: ', table.concat(self.source, ' '))
--     self.source[filename]:seek(self.offset, "seconds")
--     return self.source[filename]:play()
-- end
-
-- return { new = new }
--- a/lib/simple_ui/level/bar.lua
+++ b/lib/simple_ui/level/bar.lua
@ -57,7 +57,7 @@ function barElement:draw()
    love.graphics.setColor(1, 1, 1)
    --- текст поверх
    if self.drawText then
-        local font = Tree.fonts:getDefaultTheme():getVariant("small")
+        local font = Tree.fonts:getDefaultTheme():getVariant("medium")
        local t = love.graphics.newText(font, tostring(self.value) .. "/" .. tostring(self.maxValue))
        love.graphics.draw(t, math.floor(self.bounds.x + self.bounds.width / 2 - t:getWidth() / 2),
            math.floor(self.bounds.y + self.bounds.height / 2 - t:getHeight() / 2))
--- a/lib/simple_ui/level/cpanel.lua
+++ b/lib/simple_ui/level/cpanel.lua
@ -1,5 +1,5 @@
-local task = require "lib.utils.task"
 local easing = require "lib.utils.easing"
+local AnimationNode = require "lib.animation_node"
 local Element = require "lib.simple_ui.element"
 local Rect = require "lib.simple_ui.rect"
 local SkillRow = require "lib.simple_ui.level.skill_row"
@ -7,8 +7,7 @@ local Bars = require "lib.simple_ui.level.bottom_bars"
 local EndTurnButton = require "lib.simple_ui.level.end_turn"

 --- @class CharacterPanel : UIElement
--- @field animationTask Task
--- @field alpha number
+--- @field animationNode AnimationNode
 --- @field state "show" | "idle" | "hide"
 --- @field skillRow SkillRow
 --- @field bars BottomBars
@ -22,26 +21,41 @@ function characterPanel.new(characterId)
    t.skillRow = SkillRow(characterId)
    t.bars = Bars(characterId)
    t.endTurnButton = EndTurnButton {}
-    t.alpha = 0 -- starts hidden/animating
    return setmetatable(t, characterPanel)
 end

 function characterPanel:show()
+    AnimationNode {
+        function(animationNode)
+            if self.animationNode then self.animationNode:finish() end
+            self.animationNode = animationNode
            self.state = "show"
-    self.animationTask = task.tween(self, { alpha = 1 }, 300, easing.easeOutCubic)
-    self.animationTask(function() self.state = "idle" end)
+        end,
+        duration = 300,
+        onEnd = function()
+            self.state = "idle"
+        end,
+        easing = easing.easeOutCubic
+    }:run()
 end

 function characterPanel:hide()
+    AnimationNode {
+        function(animationNode)
+            if self.animationNode then self.animationNode:finish() end
+            self.animationNode = animationNode
            self.state = "hide"
-    self.animationTask = task.tween(self, { alpha = 0 }, 300, easing.easeOutCubic)
+        end,
+        duration = 300,
+        easing = easing.easeOutCubic
+    }:run()
 end

 --- @type love.Canvas
 local characterPanelCanvas;

 function characterPanel:update(dt)
-    -- Tasks update automatically via task.update(dt) in main.lua
+    if self.animationNode then self.animationNode:update(dt) end
    self.skillRow:update(dt)
    self.bars.bounds = Rect {
        width = self.skillRow.bounds.width,
@ -68,8 +82,14 @@ function characterPanel:update(dt)
    end

    --- анимация появления
+    local alpha = 1
+    if self.state == "show" then
+        alpha = self.animationNode:getValue()
+    elseif self.state == "hide" then
+        alpha = 1 - self.animationNode:getValue()
+    end
    local revealShader = Tree.assets.files.shaders.reveal
-    revealShader:send("t", self.alpha)
+    revealShader:send("t", alpha)
 end

 function characterPanel:draw()
--- a/lib/simple_ui/level/end_turn.lua
+++ b/lib/simple_ui/level/end_turn.lua
@ -1,5 +1,5 @@
 local Element = require "lib.simple_ui.element"
-local task = require "lib.utils.task"
+local AnimationNode = require "lib.animation_node"
 local easing = require "lib.utils.easing"

 --- @class EndTurnButton : UIElement
@ -22,7 +22,7 @@ function endTurnButton:update(dt)
 end

 function endTurnButton:layout()
-    local font = Tree.fonts:getDefaultTheme():getVariant("large")
+    local font = Tree.fonts:getDefaultTheme():getVariant("headline")
    self.text = love.graphics.newText(font, "Завершить ход")
    self.bounds.width = self.text:getWidth() + 32
    self.bounds.height = self.text:getHeight() + 16
@ -46,6 +46,19 @@ end

 function endTurnButton:onClick()
    Tree.level.turnOrder:next()
+    Tree.level.selector:select(nil)
+    local cid = Tree.level.turnOrder.current
+    local playing = Tree.level.characters[cid]
+    if not playing:has(Tree.behaviors.positioned) then return end
+
+    AnimationNode {
+        function(node)
+            Tree.level.camera:animateTo(playing:has(Tree.behaviors.positioned).position, node)
+        end,
+        duration = 1500,
+        easing = easing.easeInOutCubic,
+        onEnd = function() Tree.level.selector:select(cid) end
+    }:run()
 end

 return function(values)
--- a/lib/simple_ui/level/skill_row.lua
+++ b/lib/simple_ui/level/skill_row.lua
@ -8,7 +8,6 @@ local UI_SCALE = require "lib.simple_ui.level.scale"
 --- @field hovered boolean
 --- @field selected boolean
 --- @field onClick function?
--- @field getCooldown function?
 --- @field icon? string
 local skillButton = setmetatable({}, Element)
 skillButton.__index = skillButton
@ -19,11 +18,7 @@ function skillButton:update(dt)
    if self:hitTest(mx, my) then
        self.hovered = true
        if Tree.controls:isJustPressed("select") then
-            local cd = self.getCooldown and self.getCooldown() or 0
-            if cd == 0 then
            if self.onClick then self.onClick() end
-            end
-
            Tree.controls:consume("select")
        end
    else
@ -34,7 +29,6 @@ end
 function skillButton:draw()
    love.graphics.setLineWidth(2)

-    local cd = self.getCooldown and self.getCooldown() or 0

    if not self.icon then
        love.graphics.setColor(0.05, 0.05, 0.05)
@ -59,25 +53,6 @@ function skillButton:draw()
        love.graphics.setColor(0.7, 1, 0.7, 0.5)
        love.graphics.rectangle("fill", self.bounds.x, self.bounds.y, self.bounds.width, self.bounds.height)
    end
-
-
-    if cd > 0 then
-        love.graphics.setColor(0, 0, 0, 0.5)
-        love.graphics.rectangle("fill", self.bounds.x, self.bounds.y, self.bounds.width, self.bounds.height)
-
-        local font = Tree.fonts:getDefaultTheme():getVariant("headline")
-        love.graphics.setColor(0, 0, 0)
-        local t = love.graphics.newText(font, tostring(cd))
-        love.graphics.draw(t, math.floor(self.bounds.x + 2 + self.bounds.width / 2 - t:getWidth() / 2),
-            math.floor(self.bounds.y + 2 + self.bounds.height / 2 - t:getHeight() / 2))
-
-        love.graphics.setColor(1, 1, 1)
-        love.graphics.draw(t, math.floor(self.bounds.x + self.bounds.width / 2 - t:getWidth() / 2),
-            math.floor(self.bounds.y + self.bounds.height / 2 - t:getHeight() / 2))
-    else
-
-    end
-
    love.graphics.setColor(1, 1, 1)
 end

@ -117,9 +92,6 @@ function skillRow.new(characterId)
                    behavior.cast = nil
                end
            end
-            skb.getCooldown = function()
-                return behavior.cooldowns[spell.tag] or 0
-            end
            t.children[i] = skb
        end
    end)
--- a/lib/sound.lua
+++ b/lib/sound.lua
@ -1,9 +0,0 @@
-- --- @class Sound
-- --- @field source love.Source just a sound
-- sound = {}
-
-- local function new()
--     return setmetatable({}, sound)
-- end
-
-- return { new }
--- a/lib/spell/spell.lua
+++ b/lib/spell/spell.lua
@ -1,104 +0,0 @@
-local Query        = require "lib.spell.target_query"
-local targetTest   = require "lib.spell.target_test"
-local task         = require "lib.utils.task"
-
--- @alias SpellPreview "default" Подсветка возможных целей
--- | "path" Подсветка пути до цели
-
--- @class Spell
--- @field tag string
--- @field baseCost integer Базовые затраты маны на каст
--- @field baseCooldown integer Базовый кулдаун в ходах
--- @field targetQuery SpellTargetQuery Селектор возможных целей
--- @field previewType SpellPreview Вид превью во время каста
--- @field distance? integer Сторона квадрата с центром в позиции кастера, в пределах которого должна находиться цель, либо отсутствие ограничения
--- @field update fun(self: Spell, caster: Character, dt: number): nil Изменяет состояние спелла
--- @field draw fun(self: Spell): nil Рисует превью каста, ничего не должна изменять в идеальном мире
--- @field cast fun(self: Spell, caster: Character, target: Vec3): Task<nil>? Вызывается в момент каста, изменяет мир.
-local spell        = {}
-spell.__index      = spell
-spell.tag          = "spell_base"
-spell.baseCost     = 1
-spell.baseCooldown = 1
-spell.targetQuery  = Query(targetTest.any)
-spell.previewType  = "default"
-
-function spell:update(caster, dt)
-    if self.previewType == "path" then
-        local charPos = caster:has(Tree.behaviors.positioned).position:floor()
-        --- @type Vec3
-        local mpos = Tree.level.camera:toWorldPosition(Vec3 { love.mouse.getX(), love.mouse.getY() }):floor()
-        if self.targetQuery.test(caster, mpos) then
-            self.path = require "lib.pathfinder" (charPos, mpos)
-        else
-            self.path = nil
-        end
-    end
-end
-
-function spell:draw()
-    if self.previewType == "path" then
-        local path = self.path --[[@as Deque?]]
-        if not path then return end
-        --- Это отрисовка пути персонажа к мышке
-        Tree.level.camera:attach()
-        love.graphics.setCanvas(Tree.level.render.textures.overlayLayer)
-        love.graphics.setColor(0.6, 0.75, 0.5)
-        for p in path:values() do
-            love.graphics.circle("fill", p.x + 0.45, p.y + 0.45, 0.1)
-        end
-        love.graphics.setCanvas()
-        Tree.level.camera:detach()
-        love.graphics.setColor(1, 1, 1)
-    end
-end
-
-function spell:cast(caster, target) return task.fromValue() end
-
--- Конструктор [Spell]
--- @param data {tag: string, baseCost: integer, baseCooldown: integer, targetQuery: SpellTargetQuery?, previewType: SpellPreview?, distance: integer?, onCast: fun(caster: Character, target: Vec3): Task<nil>?}
--- @return Spell
-function spell.new(data)
-    local newSpell = setmetatable({
-        tag = data.tag,
-        baseCost = data.baseCost,
-        baseCooldown = data.baseCooldown,
-        targetQuery = data.targetQuery,
-        previewType = data.previewType,
-        distance = data.distance
-    }, spell)
-
-    newSpell.targetQuery = newSpell.distance
-        and newSpell.targetQuery:intersect(Query(targetTest.distance(newSpell.distance)))
-        or newSpell.targetQuery
-
-    function newSpell:cast(caster, target)
-        if caster:try(Tree.behaviors.spellcaster, function(spellcaster) -- проверка на кулдаун
-                return (spellcaster.cooldowns[self.tag] or 0) > 0
-            end) then
-            return
-        end
-
-        if not self.targetQuery.test(caster, target) then return end -- проверка корректности цели
-
-        -- проверка на достаточное количество маны
-        if caster:try(Tree.behaviors.stats, function(stats)
-                return stats.mana < self.baseCost
-            end) then
-            return
-        end
-
-        caster:try(Tree.behaviors.stats, function(stats)
-            stats.mana = stats.mana - self.baseCost
-        end)
-
-        caster:try(Tree.behaviors.spellcaster, function(spellcaster)
-            spellcaster.cooldowns[self.tag] = self.baseCooldown
-        end)
-        return data.onCast(caster, target)
-    end
-
-    return newSpell
-end
-
-return spell
--- a/lib/spell/target_query.lua
+++ b/lib/spell/target_query.lua
@ -1,67 +0,0 @@
--- Тип, отвечающий за выбор и фильтрацию подходящих тайлов как цели спелла
--- теория множеств my beloved?
--- @class SpellTargetQuery
-local query = {}
-query.__index = query
-
--- Проверяет координаты на соответствие внутреннему условию
--- @param caster Character
--- @param position Vec3
--- @return boolean
-function query.test(caster, position)
-    return true
-end
-
--- Объединение
--- @param q SpellTargetQuery
-function query:join(q)
-    return setmetatable({
-        test = function(caster, pos)
-            return self.test(caster, pos) or q.test(caster, pos)
-        end
-    }, query)
-end
-
--- Пересечение
--- @param q SpellTargetQuery
-function query:intersect(q)
-    return setmetatable({
-        test = function(caster, pos)
-            return self.test(caster, pos) and q.test(caster, pos)
-        end
-    }, query)
-end
-
--- Исключение (не коммутативное, "те, что есть в query, но нет в q")
--- @param q SpellTargetQuery
-function query:exclude(q)
-    return setmetatable({
-        test = function(caster, pos)
-            return self.test(caster, pos) and not q.test(caster, pos)
-        end
-    }, query)
-end
-
--- Находит все соответствующие условиям координаты тайлов и возвращает их в виде списка
--- @param caster Character
--- @return Vec3[]
-function query:asSet(caster)
-    --- @TODO: оптимизировать и брать не всю карту для выборки
-    local res = {}
-    for _, tile in pairs(Tree.level.tileGrid) do
-        if self.test(caster, tile.position) then
-            table.insert(res, tile.position)
-        end
-    end
-
-    return res
-end
-
--- @param test SpellTargetTest
-local function new(test)
-    return setmetatable({
-        test = test
-    }, query)
-end
-
-return new
--- a/lib/spell/target_test.lua
+++ b/lib/spell/target_test.lua
@ -1,27 +0,0 @@
--- @alias SpellTargetTest fun(caster: Character, targetPosition: Vec3) : boolean
-
-return {
-    -- любой тайл
-    any = function() return true end,
-    -- тайл, где находится кастующий
-    caster = function(caster, targetPosition)
-        local targetCharacterId = Tree.level.characterGrid:get(targetPosition)
-        return caster.id == targetCharacterId
-    end,
-    -- тайл, где находится любой персонаж
-    character = function(caster, targetPosition)
-        local targetCharacterId = Tree.level.characterGrid:get(targetPosition)
-        return not not targetCharacterId
-    end,
-    -- тайл в пределах окружности в нашей кривой метрике
-    --- @param radius number
-    distance = function(radius)
-        return function(caster, targetPosition)
-            return caster:try(Tree.behaviors.positioned, function(p)
-                local dist = math.max(math.abs(p.position.x - targetPosition.x),
-                    math.abs(p.position.y - targetPosition.y))
-                return dist <= radius
-            end)
-        end
-    end
-}
--- a/lib/spellbook.lua
+++ b/lib/spellbook.lua
@ -7,80 +7,135 @@
 --- --TODO: каждый каст должен возвращать объект, который позволит отследить момент завершения анимации спелла
 --- Да, это Future/Promise/await/async

-local task           = require 'lib.utils.task'
-local spell          = require 'lib.spell.spell'
-local targetTest     = require 'lib.spell.target_test'
-local Query          = require "lib.spell.target_query"
+local AnimationNode = require "lib.animation_node"
 local easing        = require "lib.utils.easing"

-local walk           = spell.new {
-    tag = "dev_move",
-    previewType = "path",
-    baseCooldown = 1,
-    baseCost = 2,
-    targetQuery = Query(targetTest.any):exclude(Query(targetTest.character)),
-    distance = 3,
-    onCast = function(caster, target)
-        local initialPos = caster:has(Tree.behaviors.positioned).position:floor()
-        local path = require "lib.pathfinder" (initialPos, target)
-        path:pop_front()
-        if path:is_empty() then
-            print("[Walk]: the path is empty", initialPos, target)
-            return
+--- @class Spell Здесь будет много бойлерплейта, поэтому тоже понадобится спеллмейкерский фреймворк, который просто вернет готовый Spell
+--- @field tag string
+--- @field update fun(self: Spell, caster: Character, dt: number): nil Изменяет состояние спелла
+--- @field draw fun(self: Spell): nil Рисует превью каста, ничего не должна изменять в идеальном мире
+--- @field cast fun(self: Spell, caster: Character, target: Vec3): boolean Вызывается в момент каста, изменяет мир. Возвращает bool в зависимости от того, получилось ли скастовать
+local spell         = {}
+spell.__index       = spell
+spell.tag           = "base"
+
+function spell:update(caster, dt) end
+
+function spell:draw() end
+
+function spell:cast(caster, target) return true end
+
+local walk = setmetatable({
+    --- @type Deque
+    path = nil
+}, spell)
+walk.tag = "dev_move"
+
+function walk:cast(caster, target)
+    if not caster:try(Tree.behaviors.stats, function(stats)
+            return stats.mana >= 2
+        end) then
+        return false
    end

+    local path = self.path
+    path:pop_front()
+    if path:is_empty() then return false end
+
+    for p in path:values() do print(p) end
+
+    caster:try(Tree.behaviors.stats, function(stats)
+        stats.mana = stats.mana - 2
+        print(stats.mana)
+    end)
+
    local sprite = caster:has(Tree.behaviors.sprite)
-        assert(sprite, "[Walk]", "WTF DUDE WHERE'S YOUR SPRITE")
-        if not sprite then
-            return
+    if not sprite then return true end
+    AnimationNode {
+        function(node) caster:has(Tree.behaviors.tiled):followPath(path, node) end,
+        onEnd = function() caster:has(Tree.behaviors.spellcaster):endCast() end,
+    }:run()
+
+    return true
 end

-        return caster:has(Tree.behaviors.tiled):followPath(path)
+function walk:update(caster, dt)
+    local charPos = caster:has(Tree.behaviors.positioned).position:floor()
+    --- @type Vec3
+    local mpos = Tree.level.camera:toWorldPosition(Vec3 { love.mouse.getX(), love.mouse.getY() }):floor()
+    self.path = require "lib.pathfinder" (charPos, mpos)
 end
-}

-local regenerateMana = spell.new {
-    tag = "dev_mana",
-    baseCooldown = 2,
-    baseCost = 0,
-    targetQuery = Query(targetTest.caster),
-    distance = 0,
-    onCast = function(caster, target)
+function walk:draw()
+    if not self.path then return end
+    --- Это отрисовка пути персонажа к мышке
+    Tree.level.camera:attach()
+    love.graphics.setCanvas(Tree.level.render.textures.overlayLayer)
+    love.graphics.setColor(0.6, 0.75, 0.5)
+    for p in self.path:values() do
+        love.graphics.circle("fill", p.x + 0.45, p.y + 0.45, 0.1)
+    end
+    love.graphics.setCanvas()
+    Tree.level.camera:detach()
+    love.graphics.setColor(1, 1, 1)
+end
+
+local regenerateMana = setmetatable({}, spell)
+regenerateMana.tag = "dev_mana"
+
+function regenerateMana:cast(caster, target)
    caster:try(Tree.behaviors.stats, function(stats)
        stats.mana = 10
        stats.initiative = stats.initiative + 10
    end)
-
-        local sprite = caster:has(Tree.behaviors.sprite)
-        if not sprite then return end
    print(caster.id, "has regenerated mana and gained initiative")
+    local sprite = caster:has(Tree.behaviors.sprite)
+    if not sprite then return true end

    local light = require "lib/character/character".spawn("Light Effect")
    light:addBehavior {
-            Tree.behaviors.light.new { color = Vec3 { 0.3, 0.3, 0.6 }, intensity = 4 },
+        Tree.behaviors.light.new { color = Vec3 { 0.6, 0.3, 0.3 }, intensity = 4 },
+        Tree.behaviors.residentsleeper.new(),
        Tree.behaviors.positioned.new(caster:has(Tree.behaviors.positioned).position + Vec3 { 0.5, 0.5 }),
    }
+    AnimationNode {
+        function(node)
+            sprite:animate("hurt", node)
+        end,
+        onEnd = function() caster:has(Tree.behaviors.spellcaster):endCast() end
+    }:run()

-        return task.wait {
-            task.chain(task.tween(light:has(Tree.behaviors.light) --[[@as LightBehavior]],
-                { intensity = 1, color = Vec3 {} }, 800, easing.easeInCubic), function()
-                light:die()
-                return task.fromValue()
-            end),
-            sprite:animate("hurt")
-        }
+    AnimationNode {
+        function(node)
+            light:has(Tree.behaviors.light):animateColor(Vec3 {}, node)
+        end,
+        easing = easing.easeInQuad,
+        duration = 800,
+        onEnd = function() light:die() end
+    }:run()
+
+    return true
 end
-}

-local attack         = spell.new {
-    tag = "dev_attack",
-    baseCooldown = 1,
-    baseCost = 2,
-    targetQuery = Query(targetTest.character):exclude(Query(targetTest.caster)),
-    distance = 1,
-    onCast = function(caster, target)
+local attack = setmetatable({}, spell)
+attack.tag = "dev_attack"
+
+function attack:cast(caster, target)
+    if caster:try(Tree.behaviors.positioned, function(p)
+            local dist = math.max(math.abs(p.position.x - target.x), math.abs(p.position.y - target.y))
+            print("dist:", dist)
+            return dist > 2
+        end) then
+        return false
+    end
+
+    caster:try(Tree.behaviors.stats, function(stats)
+        stats.mana = stats.mana - 2
+    end)
+
    --- @type Character
    local targetCharacterId = Tree.level.characterGrid:get(target)
+    if not targetCharacterId or targetCharacterId == caster.id then return false end
    local targetCharacter = Tree.level.characters[targetCharacterId]
    targetCharacter:try(Tree.behaviors.stats, function(stats)
        stats.hp = stats.hp - 4
@ -88,38 +143,36 @@ local attack         = spell.new {

    local sprite = caster:has(Tree.behaviors.sprite)
    local targetSprite = targetCharacter:has(Tree.behaviors.sprite)
-        if not sprite or not targetSprite then return end
+    if not sprite or not targetSprite then return true end

    caster:try(Tree.behaviors.positioned, function(b) b:lookAt(target) end)

-        return
-            task.wait {
-                sprite:animate("attack"),
-                task.wait {
-                    task.chain(targetCharacter:has(Tree.behaviors.residentsleeper):sleep(500),
-                        function()
-                            local light = require "lib/character/character".spawn("Light Effect")
-                            light:addBehavior {
-                                Tree.behaviors.light.new { color = Vec3 { 0.6, 0.3, 0.3 }, intensity = 4 },
-                                Tree.behaviors.positioned.new(targetCharacter:has(Tree.behaviors.positioned).position + Vec3 { 0.5, 0.5 }),
-                            }
-                            return
-                                task.wait {
-                                    task.chain(task.tween(light:has(Tree.behaviors.light) --[[@as LightBehavior]],
-                                        { intensity = 1, color = Vec3 {} }, 1000, easing.easeInCubic), function()
-                                        light:die()
-                                        return task.fromValue()
-                                    end),
-                                    targetSprite:animate("hurt")
-                                }
+    AnimationNode {
+        onEnd = function() caster:has(Tree.behaviors.spellcaster):endCast() end,
+        children = {
+            AnimationNode {
+                function(node)
+                    sprite:animate("attack", node)
                end
-                    ),
+            },
+            AnimationNode {
+                function(node)
+                    targetCharacter:has(Tree.behaviors.residentsleeper):sleep(node)
+                end,
+                duration = 200,
+                children = {
+                    AnimationNode {
+                        function(node)
+                            targetSprite:animate("hurt", node)
+                        end
+                    }
+                }
+            }
+        }
+    }:run()

-                    Tree.audio:play(Tree.assets.files.audio.sounds.hurt)
-                }
-            }
+    return true
 end
-}

 ----------------------------------------
 local spellbook = {
@ -133,7 +186,6 @@ local spellbook      = {
 function spellbook.of(list)
    local spb = {}
    for i, sp in ipairs(list) do
-        print(i)
        spb[i] = setmetatable({}, { __index = sp })
    end
    return spb
--- a/lib/tree.lua
+++ b/lib/tree.lua
@ -9,11 +9,9 @@ Tree           = {
 Tree.fonts     = (require "lib.utils.font_manager"):load("WDXL_Lubrifont_TC"):loadTheme("Roboto_Mono") -- дефолтный шрифт
 Tree.panning   = require "lib/panning"
 Tree.controls  = require "lib.controls"
-Tree.audio     = (require "lib.audio").new(1, 1)
 Tree.level     = (require "lib.level.level").new("procedural", "flower_plains")   -- для теста у нас только один уровень, который сразу же загружен

 Tree.behaviors = (require "lib.utils.behavior_loader")("lib/character/behaviors") --- @todo написать нормальную загрузку поведений
-- Tree.audio     = (require "lib.audio").new(1, 1)
 -- Tree.behaviors.map         = require "lib.character.behaviors.map"
 -- Tree.behaviors.spellcaster = require "lib.character.behaviors.spellcaster"
 -- Tree.behaviors.sprite      = require "lib.character.behaviors.sprite"
--- a/lib/utils/asset_bundle.lua
+++ b/lib/utils/asset_bundle.lua
@ -50,10 +50,6 @@ function AssetBundle.loadFile(path)
        return love.graphics.newShader(path);
    elseif (ext == "lua") then
        return require(string.gsub(path, ".lua", ""))
-    elseif (ext == "ogg") and string.find(path, "sounds") then
-        return love.audio.newSource(path, 'static')
-    elseif (ext == "ogg") and string.find(path, "music") then
-        return love.audio.newSource(path, 'stream')
    end
    return filedata
 end
--- a/lib/utils/counter.lua
+++ b/lib/utils/counter.lua
@ -1,40 +0,0 @@
--- @class Counter
--- @field private count integer
--- @field private onFinish fun(): nil
--- @field private isAlive boolean
--- @field push fun():nil добавить 1 к счетчику
--- @field pop fun():nil убавить 1 у счетчика
--- @field set fun(count: integer): nil установить значение на счетчике
-local counter = {}
-counter.__index = counter
-
-
--- @private
-function counter:_push()
-    self.count = self.count + 1
-end
-
--- @private
-function counter:_pop()
-    self.count = self.count - 1
-    if self.count == 0 and self.isAlive then
-        self.isAlive = false
-        self.onFinish()
-    end
-end
-
--- @param onFinish fun(): nil
-local function new(onFinish)
-    local t = {
-        count = 0,
-        onFinish = onFinish,
-        isAlive = true,
-    }
-    t.push = function() counter._push(t) end
-    t.pop = function() counter._pop(t) end
-    t.set = function(count) t.count = count end
-
-    return setmetatable(t, counter)
-end
-
-return new
--- a/lib/utils/font_manager.lua
+++ b/lib/utils/font_manager.lua
@ -4,11 +4,11 @@
 --- @field private _sizes {[FontVariant]: integer}
 local theme = {
    _sizes = {
-        smallest = 12,
-        small = 14,
-        medium = 16,
-        large = 22,
-        headline = 32,
+        smallest = 10,
+        small = 12,
+        medium = 14,
+        large = 16,
+        headline = 20,
    }
 }
 theme.__index = theme
--- a/lib/utils/priority_queue.lua
+++ b/lib/utils/priority_queue.lua
@ -1,5 +1,5 @@
 ---@class PriorityQueue
---@field data any[] внутренний массив-куча (индексация с 1)
+---@field private data any[] внутренний массив-куча (индексация с 1)
 ---@field private cmp fun(a:any, b:any):boolean компаратор: true, если a выше по приоритету, чем b
 local PriorityQueue = {}
 PriorityQueue.__index = PriorityQueue
--- a/lib/utils/task.lua
+++ b/lib/utils/task.lua
@ -1,142 +0,0 @@
-local easing_lib = require "lib.utils.easing"
-local lerp = require "lib.utils.utils".lerp
-
--- Обобщенная асинхронная функция (Task).
--- По сути это функция, принимающая коллбэк: `fun(callback: fun(value: T): nil): nil`
--- @generic T
--- @alias Task fun(callback: fun(value: T): nil): nil
-
-local task = {}
-local activeTweens = {} -- list of tweens
-- We also need a way to track tweens by target to support cancellation/replacement
-- Let's stick to a simple list for update, but maybe add a helper to find by target?
-- Or, just allow multiple tweens per target (which is valid for different properties).
-- But if we animate the SAME property, we have a conflict.
-- For now, let's just add task.cancel(target) which kills ALL tweens for that target.
-
--- Обновление всех активных анимаций (твинов).
--- Нужно вызывать в love.update(dt)
-function task.update(dt)
-    for i = #activeTweens, 1, -1 do
-        local t = activeTweens[i]
-        if not t.cancelled then
-            t.elapsed = t.elapsed + dt * 1000
-            local progress = math.min(t.elapsed / t.duration, 1)
-            local value = t.easing(progress)
-
-            for key, targetValue in pairs(t.properties) do
-                t.target[key] = lerp(t.initial[key], targetValue, value)
-            end
-
-            if progress >= 1 then
-                t.completed = true
-                table.remove(activeTweens, i)
-                if t.resolve then t.resolve() end
-            end
-        else
-            table.remove(activeTweens, i)
-        end
-    end
-end
-
--- Возвращает Completer — объект, который позволяет вручную завершить таску.
--- @generic T
--- @return { complete: fun(val: T) }, Task<T> future
-function task.completer()
-    local c = { completed = false, value = nil, cb = nil }
-    function c:complete(val)
-        if self.completed then return end
-        self.completed = true
-        self.value = val
-        if self.cb then self.cb(val) end
-    end
-
-    local future = function(callback)
-        if c.completed then
-            callback(c.value)
-        else
-            c.cb = callback
-        end
-    end
-    return c, future
-end
-
--- Отменяет все активные твины для указанного объекта.
--- @param target table
-function task.cancel(target)
-    for _, t in ipairs(activeTweens) do
-        if t.target == target then
-            t.cancelled = true
-        end
-    end
-end
-
--- Создает таску, которая плавно меняет свойства объекта.
--- Автоматически отменяет предыдущие твины для этого объекта (чтобы не было конфликтов).
--- @param target table Объект, свойства которого меняем
--- @param properties table Набор конечных значений { key = value }
--- @param duration number Длительность в мс
--- @param easing function? Функция смягчения (по умолчанию linear)
--- @return Task<nil>
-function task.tween(target, properties, duration, easing)
-    task.cancel(target) -- Cancel previous animations on this target
-
-    local initial = {}
-    for k, _ in pairs(properties) do
-        initial[k] = target[k]
-        if type(initial[k]) == "table" and initial[k].copy then
-            initial[k] = initial[k]:copy() -- Для Vec3
-        end
-    end
-
-    local comp, future = task.completer()
-    table.insert(activeTweens, {
-        target = target,
-        initial = initial,
-        properties = properties,
-        duration = duration or 1000,
-        easing = easing or easing_lib.linear,
-        elapsed = 0,
-        resolve = function() comp:complete() end
-    })
-    return future
-end
-
--- Возвращает таску, которая завершится сразу с переданным значением.
-function task.fromValue(val)
-    return function(callback) callback(val) end
-end
-
--- Возвращает новый Task, который завершится после завершения всех переданных `tasks`.
--- @param tasks Task[]
--- @return Task<any[]>
-function task.wait(tasks)
-    if #tasks == 0 then return task.fromValue({}) end
-    local count = #tasks
-    local results = {}
-
-    return function(callback)
-        for i, t in ipairs(tasks) do
-            t(function(result)
-                results[i] = result
-                count = count - 1
-                if count == 0 then callback(results) end
-            end)
-        end
-    end
-end
-
--- Последовательно объединяет два `Task` в один.
--- @param t Task
--- @param onCompleted fun(value: any): Task
--- @return Task
-function task.chain(t, onCompleted)
-    return function(callback)
-        t(function(value)
-            local t2 = onCompleted(value)
-            t2(callback)
-        end)
-    end
-end
-
-return task
--- a/main.lua
+++ b/main.lua
@ -2,8 +2,6 @@

 local character = require "lib/character/character"
 local testLayout
-local TestRunner = require "test.runner"
-TestRunner:register(require "test.task")

 function love.conf(t)
    t.console = true
@ -25,36 +23,15 @@ function love.load()
                Tree.behaviors.shadowcaster.new(),
                Tree.behaviors.spellcaster.new()
            },
-        character.spawn("Foodor")
-            :addBehavior {
-                Tree.behaviors.residentsleeper.new(),
-                Tree.behaviors.stats.new(nil, nil, 1),
-                Tree.behaviors.positioned.new(Vec3 { 4, 3 }),
-                Tree.behaviors.tiled.new(),
-                Tree.behaviors.sprite.new(Tree.assets.files.sprites.character),
-                Tree.behaviors.shadowcaster.new(),
-                Tree.behaviors.spellcaster.new()
-            },
-        character.spawn("Foodor")
-            :addBehavior {
-                Tree.behaviors.residentsleeper.new(),
-                Tree.behaviors.stats.new(nil, nil, 3),
-                Tree.behaviors.positioned.new(Vec3 { 5, 3 }),
-                Tree.behaviors.tiled.new(),
-                Tree.behaviors.sprite.new(Tree.assets.files.sprites.character),
-                Tree.behaviors.shadowcaster.new(),
-                Tree.behaviors.spellcaster.new()
-            },
        character.spawn("Baris")
            :addBehavior {
                Tree.behaviors.residentsleeper.new(),
-                Tree.behaviors.stats.new(nil, nil, 2),
+                Tree.behaviors.stats.new(nil, nil, 1),
                Tree.behaviors.positioned.new(Vec3 { 5, 5 }),
                Tree.behaviors.tiled.new(),
                Tree.behaviors.sprite.new(Tree.assets.files.sprites.character),
                Tree.behaviors.shadowcaster.new(),
-                Tree.behaviors.spellcaster.new(),
-                Tree.behaviors.ai.new()
+                Tree.behaviors.spellcaster.new()
            },
    }

@ -69,16 +46,12 @@ end

 local lt = "0"
 function love.update(dt)
-    TestRunner:update(dt) -- закомментировать для отключения тестов
-
    local t1 = love.timer.getTime()
-    require('lib.utils.task').update(dt)
    Tree.controls:poll()
    Tree.level.camera:update(dt) -- сначала логика камеры, потому что на нее завязан UI
    testLayout:update(dt)        -- потом UI, потому что нужно перехватить жесты и не пустить их дальше
    Tree.panning:update(dt)
    Tree.level:update(dt)
-    Tree.audio:update(dt)

    Tree.controls:cache()

@ -111,7 +84,7 @@ function love.draw()
    testLayout:draw()
    love.graphics.setColor(1, 1, 1)

-    love.graphics.setFont(Tree.fonts:getTheme("Roboto_Mono"):getVariant("small"))
+    love.graphics.setFont(Tree.fonts:getTheme("Roboto_Mono"):getVariant("medium"))
    local stats = "fps: " ..
        love.timer.getFPS() ..
        " lt: " .. lt .. " dt: " .. dt .. " mem: " .. string.format("%.2f MB", collectgarbage("count") / 1000)
--- a/test/runner.lua
+++ b/test/runner.lua
@ -1,46 +0,0 @@
--- @class Test
-local test = {}
-function test:run(complete) end
-
-function test:update(dt) end
-
--- @class TestRunner
--- @field private tests Test[]
--- @field private state "loading" | "running" | "completed"
--- @field private completedCount integer
-local runner = {}
-runner.tests = {}
-runner.state = "loading"
-runner.completedCount = 0
-
--- глобальный update для тестов, нужен для тестирования фич, зависимых от времени
-function runner:update(dt)
-    if self.state == "loading" then
-        print("[TestRunner]: running " .. #self.tests .. " tests")
-
-        for _, t in ipairs(self.tests) do
-            t:run(
-                function()
-                    self.completedCount = self.completedCount + 1
-                    if self.completedCount == #self.tests then
-                        self.state = "completed"
-                        print("[TestRunner]: tests completed")
-                    end
-                end
-            )
-        end
-        self.state = "running"
-    end
-
-    for _, t in ipairs(self.tests) do
-        if t.update then t:update(dt) end
-    end
-end
-
--- добавляет тест для прохождения
--- @param t Test
-function runner:register(t)
-    table.insert(self.tests, t)
-end
-
-return runner
--- a/test/task.lua
+++ b/test/task.lua
@ -1,75 +0,0 @@
-local task = require "lib.utils.task"
-
-local test = {}
-
-local t0
-local task1Start, task2Start
-local task1Callback, task2Callback
-
--- @return Task<number>
-local function task1()
-    return function(callback)
-        task1Start = love.timer.getTime()
-        task1Callback = callback
-    end
-end
-
--- @return Task<number>
-local function task2()
-    return function(callback)
-        task2Start = love.timer.getTime()
-        task2Callback = callback
-    end
-end
-
-function test:run(complete)
-    t0 = love.timer.getTime()
-
-    task.wait {
-        task1(),
-        task2()
-    } (function(values)
-            local tWait = love.timer.getTime()
-            local dt = tWait - t0
-
-            local t1 = values[1]
-            local t2 = values[2]
-
-            assert(type(t1) == "number" and type(t2) == "number")
-            assert(t2 > t1)
-            assert(dt >= 2, "dt = " .. dt)
-
-            print("task.wait completed in " .. dt .. " sec", "t1 = " .. t1 - t0, "t2 = " .. t2 - t0)
-
-
-            t0 = love.timer.getTime()
-            task.chain(task1(), function(value)
-                t1 = value
-                assert(t1 - t0 >= 1)
-                return task2()
-            end)(
-                    function(value)
-                        t2 = value
-                        assert(t2 - t0 >= 2)
-                        print("task.chain completed in " .. t2 - t0 .. " sec")
-
-                        complete()
-                    end
-                )
-        end)
-end
-
-function test:update(dt)
-    local t = love.timer.getTime()
-    if task1Start and t - task1Start >= 1 then
-        task1Callback(t)
-        task1Start = nil
-    end
-
-    if task2Start and t - task2Start >= 2 then
-        task2Callback(t)
-        task2Start = nil
-    end
-end
-
-return test