assets/shaders/blur.glsl

@@ -0,0 +1,18 @@
+extern vec2 direction; // (1.0, 0.0) для X, (0.0, 1.0) для Y
+extern number radius; // радиус размытия
+
+vec4 effect(vec4 vcolor, Image tex, vec2 texture_coords, vec2 screen_coords)
+{
+    vec4 sum = vec4(0.0);
+    float weightTotal = 0.0;
+
+    for (int i = -10; i <= 10; i++) {
+        float offset = float(i);
+        float weight = exp(-offset * offset / (2.0 * radius * radius));
+        vec2 shift = direction * offset / love_ScreenSize.xy;
+        sum += Texel(tex, texture_coords + shift) * weight;
+        weightTotal += weight;
+    }
+
+    return sum / weightTotal;
+}

assets/shaders/light.glsl

@@ -0,0 +1,30 @@
+extern vec3 color;
+extern number time;
+
+vec4 effect(vec4 vcolor, Image tex, vec2 texture_coords, vec2 screen_coords)
+{
+    vec4 texColor = Texel(tex, texture_coords);
+
+    float mask = texColor.r;
+
+    vec2 uv = texture_coords - 0.5;
+    float dist = length(uv * 2.0);
+
+    float t = time;
+
+    float wave = sin((uv.x + uv.y) * 6.0 + t * 1.5) * 0.03;
+    float ripple = sin(length(uv) * 20.0 - t * 2.0) * 0.02;
+    float flicker = sin(t * 2.5) * 0.02;
+
+    dist += wave + ripple + flicker;
+
+    float intensity = 1.0 - smoothstep(0.0, 1.0, dist);
+    intensity = pow(intensity, 2.0);
+
+    float colorShift = sin(t * 3.0) * 0.1;
+    vec3 flickerColor = color + vec3(colorShift, colorShift * 0.5, -colorShift * 0.3);
+
+    vec3 finalColor = flickerColor * intensity * mask;
+
+    return vec4(finalColor, mask * intensity);
+}

assets/shaders/light_postprocess.glsl

@@ -0,0 +1,20 @@
+extern Image scene;
+extern Image light;
+
+extern vec3 ambient;
+
+vec4 effect(vec4 vcolor, Image unused, vec2 uv, vec2 px)
+{
+    vec4 s = Texel(scene, uv);
+    vec3 l = Texel(light, uv).rgb;
+
+    l = clamp(l, 0.0, 1.0);
+    vec3 a = clamp(ambient, 0.0, 1.0);
+
+    // Канальный множитель: от ambient до 1 в зависимости от света
+    vec3 m = a + (vec3(1.0) - a) * l;
+
+    vec3 rgb = s.rgb * m;
+
+    return vec4(rgb, s.a);
+}

lib/animation_node.lua

@@ -89,6 +89,7 @@ local function new(data)
     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

lib/annotations.lua

@@ -1,6 +1,10 @@
 --- @meta _
-Tree.behaviors.map             = require "lib.character.behaviors.map"
 Tree.behaviors.spellcaster     = require "lib.character.behaviors.spellcaster"
 Tree.behaviors.sprite          = require "lib.character.behaviors.sprite"
 Tree.behaviors.stats           = require "lib.character.behaviors.stats"
 Tree.behaviors.residentsleeper = require "lib.character.behaviors.residentsleeper"
+Tree.behaviors.shadowcaster    = require "lib.character.behaviors.shadowcaster"
+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"

lib/character/behaviors/behavior.lua

@@ -11,6 +11,11 @@ behavior.id = "behavior"
 
 function behavior.new() return setmetatable({}, behavior) end
 
+--- это деструктор с крутым названием
+function behavior:die()
+
+end
+
 function behavior:update(dt) end
 
 function behavior:draw() end

lib/character/behaviors/cursor.lua

@@ -0,0 +1,19 @@
+--- Добавляет следование за курсором мыши
+--- @class CursorBehavior : Behavior
+local behavior = {}
+behavior.__index = behavior
+behavior.id = "cursor"
+
+---@return CursorBehavior
+function behavior.new()
+    return setmetatable({}, behavior)
+end
+
+function behavior:update()
+    self.owner:try(Tree.behaviors.positioned, function(b)
+        local mx, my = love.mouse.getX(), love.mouse.getY()
+        b.position = Tree.level.camera:toWorldPosition(Vec3 { mx, my })
+    end)
+end
+
+return behavior

lib/character/behaviors/light.lua

@@ -0,0 +1,57 @@
+--- @class LightBehavior : Behavior
+--- @field intensity number
+--- @field color Vec3
+--- @field seed integer
+--- @field colorAnimationNode? AnimationNode
+--- @field targetColor? Vec3
+--- @field sourceColor? Vec3
+local behavior = {}
+behavior.__index = behavior
+behavior.id = "light"
+
+---@param values {intensity: number?, color: Vec3?, seed: integer?}
+---@return LightBehavior
+function behavior.new(values)
+    return setmetatable({
+        intensity = values.intensity or 1,
+        color = values.color or Vec3 { 1, 1, 1 },
+        seed = values.seed or math.random(math.pow(2, 16))
+    }, behavior)
+end
+
+function behavior:update(dt)
+    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, animationNode)
+    if self.colorAnimationNode then self.colorAnimationNode:finish() end
+    self.colorAnimationNode = animationNode
+    self.sourceColor = self.color
+    self.targetColor = targetColor
+end
+
+function behavior:draw()
+    local positioned = self.owner:has(Tree.behaviors.positioned)
+    if not positioned then return end
+
+    Tree.level.camera:attach()
+    love.graphics.setCanvas(Tree.level.render.textures.lightLayer)
+    local shader = Tree.assets.files.shaders.light
+    shader:send("color", { self.color.x, self.color.y, self.color.z })
+    shader:send("time", love.timer.getTime() + self.seed)
+    love.graphics.setShader(shader)
+    love.graphics.draw(Tree.assets.files.masks.circle128, positioned.position.x - self.intensity / 2,
+        positioned.position.y - self.intensity / 2, 0, self.intensity / 128,
+        self.intensity / 128)
+
+    love.graphics.setBlendMode("alpha")
+
+    love.graphics.setShader()
+    love.graphics.setCanvas()
+    Tree.level.camera:detach()
+end
+
+return behavior

lib/character/behaviors/map.lua

@@ -1,91 +0,0 @@
-local utils = require "lib.utils.utils"
-
---- Отвечает за размещение и перемещение по локации
---- @class MapBehavior : Behavior
---- @field position Vec3
---- @field runTarget Vec3 точка, в которую в данный момент бежит персонаж
---- @field displayedPosition Vec3 точка, в которой персонаж отображается
---- @field t0 number время начала движения для анимациии
---- @field path Deque путь, по которому сейчас бежит персонаж
---- @field animationNode? AnimationNode AnimationNode, с которым связана анимация перемещения
---- @field size Vec3
-local mapBehavior = {}
-mapBehavior.__index = mapBehavior
-mapBehavior.id = "map"
-
-
---- @param position? Vec3
---- @param size? Vec3
-function mapBehavior.new(position, size)
-    return setmetatable({
-        position = position or Vec3({}),
-        displayedPosition = position or Vec3({}),
-        size = size or Vec3({ 1, 1 }),
-    }, mapBehavior)
-end
-
---- @param position Vec3
-function mapBehavior:lookAt(position)
-    self.owner:try(Tree.behaviors.sprite,
-        function(sprite)
-            if position.x > self.displayedPosition.x then sprite.side = sprite.RIGHT end
-            -- (sic!)
-            if position.x < self.displayedPosition.x then sprite.side = sprite.LEFT end
-        end
-    )
-end
-
---- @param path Deque
---- @param animationNode AnimationNode
-function mapBehavior:followPath(path, animationNode)
-    if path:is_empty() then return animationNode:finish() end
-    self.animationNode = animationNode
-    self.position = self.displayedPosition
-    self.owner:try(Tree.behaviors.sprite, function(sprite)
-        sprite:loop("run")
-    end)
-    self.path = path;
-    ---@type Vec3
-    local nextCell = path:peek_front()
-    self:runTo(nextCell)
-    path:pop_front()
-end
-
---- @param target Vec3
-function mapBehavior:runTo(target)
-    self.t0 = love.timer.getTime()
-    self.runTarget = target
-    self.owner:try(Tree.behaviors.sprite,
-        function(sprite)
-            if target.x < self.position.x then
-                sprite.side = Tree.behaviors.sprite.LEFT
-            elseif target.x > self.position.x then
-                sprite.side = Tree.behaviors.sprite.RIGHT
-            end
-        end
-    )
-end
-
-function mapBehavior:update(dt)
-    if self.runTarget then
-        local delta = love.timer.getTime() - self.t0 or love.timer.getTime()
-        local fraction = delta /
-            (0.5 * self.runTarget:subtract(self.position):length()) -- бежим одну клетку за 500 мс, по диагонали больше
-        if fraction >= 1 then                                       -- анимация перемещена завершена
-            self.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
-            self.displayedPosition = utils.lerp(self.position, self.runTarget, fraction) -- линейный интерполятор
-        end
-    end
-end
-
-return mapBehavior

lib/character/behaviors/positioned.lua

@@ -0,0 +1,25 @@
+--- Отвечает за размещение на уровне
+--- @class PositionedBehavior : Behavior
+--- @field position Vec3
+local behavior = {}
+behavior.__index = behavior
+behavior.id = "positioned"
+
+--- @param position? Vec3
+function behavior.new(position)
+    return setmetatable({
+        position = position or Vec3({}),
+    }, behavior)
+end
+
+--- @param position Vec3
+function behavior:lookAt(position)
+    self.owner:try(Tree.behaviors.sprite,
+        function(sprite)
+            if position.x > self.position.x then sprite.side = sprite.RIGHT end
+            if position.x < self.position.x then sprite.side = sprite.LEFT end
+        end
+    )
+end
+
+return behavior

lib/character/behaviors/residentsleeper.lua

@@ -1,7 +1,6 @@
 --- Умеет асинхронно ждать какое-то время (для анимаций)
 --- @class ResidentSleeperBehavior : Behavior
 --- @field animationNode? AnimationNode
---- @field endsAt? number
 local behavior = {}
 behavior.__index = behavior
 behavior.id = "residentsleeper"
@@ -10,19 +9,13 @@ function behavior.new() return setmetatable({}, behavior) end
 
 function behavior:update(dt)
     if not self.animationNode then return end
-    if love.timer.getTime() >= self.endsAt then
-        self.animationNode:finish()
-        self.animationNode = nil
-        self.endsAt = nil
-    end
+    self.animationNode:update(dt)
 end
 
---- @param ms number time to wait in milliseconds
 --- @param node AnimationNode
-function behavior:sleep(ms, node)
-    if self.animationNode then node:finish() end
+function behavior:sleep(node)
+    if self.animationNode then self.animationNode:finish() end
     self.animationNode = node
-    self.endsAt = love.timer.getTime() + ms / 1000
 end
 
 return behavior

lib/character/behaviors/shadowcaster.lua

@@ -0,0 +1,63 @@
+local easing = require "lib.utils.easing"
+--- @class ShadowcasterBehavior : Behavior
+local behavior = {}
+behavior.id = "shadowcaster"
+behavior.__index = behavior
+
+function behavior.new() return setmetatable({}, behavior) end
+
+function behavior:draw()
+    local sprite = self.owner:has(Tree.behaviors.sprite)
+    local positioned = self.owner:has(Tree.behaviors.positioned)
+    if not positioned then return end
+
+    local ppm = Tree.level.camera.pixelsPerMeter
+    local position = positioned.position + Vec3 { 0.5, 0.5 }
+
+    local lightIds = Tree.level.lightGrid:query(position, 5)
+    --- @type Character[]
+    local lights = {}
+    for _, id in ipairs(lightIds) do
+        table.insert(lights, Tree.level.characters[id])
+    end
+
+    Tree.level.camera:attach()
+    love.graphics.setCanvas(Tree.level.render.textures.shadowLayer)
+    love.graphics.push()
+    love.graphics.setColor(0, 0, 0, 1)
+    love.graphics.translate(position.x, position.y)
+    love.graphics.ellipse("fill", 0, 0, 0.2, 0.2 * math.cos(math.pi / 4))
+    love.graphics.pop()
+
+    if not sprite then
+        love.graphics.setCanvas()
+        return
+    end
+
+    love.graphics.setCanvas(Tree.level.render.textures.spriteLightLayer)
+    love.graphics.setBlendMode("add")
+    for _, light in ipairs(lights) do
+        local lightPos = light:has(Tree.behaviors.positioned).position
+        local lightVec = lightPos - position
+
+        local lightColor = light:has(Tree.behaviors.light).color
+        if lightPos.y > position.y then
+            love.graphics.setColor(lightColor.x, lightColor.y, lightColor.z,
+                1 - 0.3 * lightVec:length())
+        elseif position.y - lightPos.y < 3 then
+            love.graphics.setColor(lightColor.x, lightColor.y, lightColor.z,
+                (1 - easing.easeInSine((position.y - lightPos.y))) - 0.3 * lightVec:length())
+        end
+
+        sprite.animationTable[sprite.state]:draw(Tree.assets.files.sprites.character[sprite.state],
+            position.x,
+            position.y, nil, 1 / ppm * sprite.side, 1 / ppm, 38, 47)
+    end
+    love.graphics.setBlendMode("alpha")
+
+    Tree.level.camera:detach()
+    love.graphics.setColor(1, 1, 1)
+    love.graphics.setCanvas()
+end
+
+return behavior

lib/character/behaviors/sprite.lua

@@ -41,10 +41,15 @@ end
 function sprite:draw()
     if not self.animationTable[self.state] or not Tree.assets.files.sprites.character[self.state] then return end
 
-    self.owner:try(Tree.behaviors.map,
-        function(map)
+    self.owner:try(Tree.behaviors.positioned,
+        function(pos)
             local ppm = Tree.level.camera.pixelsPerMeter
-            local position = map.displayedPosition
+            local position = pos.position + Vec3 { 0.5, 0.5 }
+
+            love.graphics.setCanvas(Tree.level.render.textures.spriteLayer)
+            Tree.level.camera:attach()
+
+            love.graphics.setColor(1, 1, 1)
             if Tree.level.selector.id == self.owner.id then
                 local texW, texH = Tree.assets.files.sprites.character[self.state]:getWidth(),
                     Tree.assets.files.sprites.character[self.state]:getHeight()
@@ -53,12 +58,13 @@ function sprite:draw()
                 shader:send("time", love.timer:getTime())
                 love.graphics.setShader(shader)
             end
-
             self.animationTable[self.state]:draw(Tree.assets.files.sprites.character[self.state],
-                position.x + 0.5,
-                position.y + 0.5, nil, 1 / ppm * self.side, 1 / ppm, 38, 47)
-            love.graphics.setColor(1, 1, 1)
+                position.x,
+                position.y, nil, 1 / ppm * self.side, 1 / ppm, 38, 47)
+
             love.graphics.setShader()
+            Tree.level.camera:detach()
+            love.graphics.setCanvas()
         end
     )
 end

lib/character/behaviors/tiled.lua

@@ -0,0 +1,83 @@
+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
+behavior.id = "tiled"
+
+--- @param size? Vec3
+function behavior.new(size)
+    return setmetatable({
+        size = size or Vec3({ 1, 1 }),
+    }, behavior)
+end
+
+--- @param path Deque
+--- @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)
+    self.path = path;
+    ---@type Vec3
+    local nextCell = path:peek_front()
+    self:runTo(nextCell)
+    path:pop_front()
+end
+
+--- @param target Vec3
+function behavior:runTo(target)
+    local positioned = self.owner:has(Tree.behaviors.positioned)
+    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)
+            if target.x < positioned.position.x then
+                sprite.side = Tree.behaviors.sprite.LEFT
+            elseif target.x > positioned.position.x then
+                sprite.side = Tree.behaviors.sprite.RIGHT
+            end
+        end
+    )
+end
+
+function behavior:update(dt)
+    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

lib/character/character.lua

@@ -13,11 +13,7 @@ character.__index = character
 
 --- Создаёт персонажа, которым будет управлять или игрок или компьютер
 --- @param name string
---- @param spriteDir table
---- @param position? Vec3
---- @param size? Vec3
---- @param initiative? integer
-local function spawn(name, spriteDir, position, size, initiative)
+local function spawn(name)
     local char = {}
 
     char = setmetatable(char, character)
@@ -26,14 +22,6 @@ local function spawn(name, spriteDir, position, size, initiative)
     char.behaviors = {}
     char._behaviorsIdx = {}
 
-    char:addBehavior {
-        Tree.behaviors.residentsleeper.new(),
-        Tree.behaviors.stats.new(nil, nil, initiative),
-        Tree.behaviors.map.new(position, size),
-        Tree.behaviors.sprite.new(spriteDir),
-        Tree.behaviors.spellcaster.new()
-    }
-
     Tree.level.characters[char.id] = char
     return char
 end
@@ -92,6 +80,18 @@ function character:addBehavior(behaviors)
     return self
 end
 
+--- Добавляет персонажа в очередь на удаление.
+--- В конце фрейма он умирает. Ужасной смертью.
+---
+--- Ещё этот метод должен освобождать ресурсы в поведениях. Мы против утечек памяти!
+function character:die()
+    for _, b in ipairs(self.behaviors) do
+        if b.die then b:die() end
+    end
+
+    table.insert(Tree.level.deadIds, self.id)
+end
+
 function character:update(dt)
     for _, b in ipairs(self.behaviors) do
         if b.update then b:update(dt) end

lib/level/grid/character_grid.lua

@@ -12,12 +12,15 @@ function grid:add(id)
     local character = Tree.level.characters[id]
     if not character then return end
 
-    local mapB = character:has(Tree.behaviors.map)
-    if not mapB then return end
+    local positioned = character:has(Tree.behaviors.positioned)
+    if not positioned then return end
 
-    local centerX, centerY = math.floor(mapB.displayedPosition.x + 0.5),
-        math.floor(mapB.displayedPosition.y + 0.5)
-    local sizeX, sizeY     = mapB.size.x, mapB.size.y
+    local tiled = character:has(Tree.behaviors.tiled)
+    if not tiled then return end
+
+    local centerX, centerY = math.floor(positioned.position.x + 0.5),
+        math.floor(positioned.position.y + 0.5)
+    local sizeX, sizeY     = tiled.size.x, tiled.size.y
 
     for y = centerY, centerY + sizeY - 1 do
         for x = centerX, centerX + sizeX - 1 do
@@ -29,10 +32,8 @@ end
 --- @param a Character
 --- @param b Character
 local function drawCmp(a, b)
-    -- здесь персонажи гарантированно имеют нужное поведение
-    return a:has(Tree.behaviors.map).displayedPosition.y
-        <
-        b:has(Tree.behaviors.map).displayedPosition.y
+    --- @TODO: это захардкожено, надо разделить поведения
+    return a:has(Tree.behaviors.positioned).position.y < b:has(Tree.behaviors.positioned).position.y
 end
 
 --- fills the grid with the actual data

lib/level/grid/light_grid.lua

@@ -0,0 +1,65 @@
+local utils = require "lib.utils.utils"
+--- Пометровая сетка источников света, чтобы быстро искать ближайшие для некоторого объекта
+--- @class LightGrid : Grid
+--- @field __grid {string: [Id]}
+local grid = setmetatable({}, require "lib.level.grid.base")
+grid.__index = grid
+
+--- Adds a character id to the grid
+--- @private
+--- @param id Id
+function grid:add(id)
+    local character = Tree.level.characters[id]
+    if not character then return end
+
+    local lightB = character:has(Tree.behaviors.light)
+    if not lightB then return end
+
+    local positioned = character:has(Tree.behaviors.positioned)
+    if not positioned then return end
+
+    local key = tostring(Vec3 { positioned.position.x, positioned.position.y }:floor())
+    if not self.__grid[key] then self.__grid[key] = {} end
+    table.insert(self.__grid[key], character.id)
+end
+
+--- fills the grid with the actual data
+---
+--- should be called as early as possible during every tick
+function grid:reload()
+    self:reset()
+    utils.each(Tree.level.characters, function(c)
+        self:add(c.id)
+    end)
+end
+
+--- Возвращает все источники света, которые находятся в пределах круга с диаметром [distance] в [метрике Чебышёва](https://ru.wikipedia.org/wiki/Расстояние_Чебышёва)
+--- @param position Vec3
+--- @param distance integer
+function grid:query(position, distance)
+    --- @type Id[]
+    local res = {}
+    local topLeft = position:subtract(Vec3 { distance / 2, distance / 2 }):floor()
+    for i = 0, distance, 1 do
+        for j = 0, distance, 1 do
+            --- @type Id[]?
+            local lights = self:get(topLeft:add(Vec3 { i, j }))
+            if lights then
+                for _, lightChar in ipairs(lights) do
+                    table.insert(res, lightChar)
+                end
+            end
+        end
+    end
+    return res
+end
+
+--- Generates an empty grid
+--- @return LightGrid
+local function new()
+    return setmetatable({
+        __grid = {}
+    }, grid)
+end
+
+return { new = new }

lib/level/grid/tile_grid.lua

@@ -13,9 +13,13 @@ local function new(type, template, size)
 end
 
 function map:draw()
+    love.graphics.setCanvas(Tree.level.render.textures.floorLayer)
+    Tree.level.camera:attach()
     utils.each(self.__grid, function(el)
         el:draw()
     end)
+    Tree.level.camera:detach()
+    love.graphics.setCanvas()
 end
 
 return { new = new }

lib/level/level.lua

@@ -3,16 +3,17 @@ local utils = require "lib.utils.utils"
 --- @class Level
 --- @field size Vec3
 --- @field characters Character[]
+--- @field deadIds Id[]
 --- @field characterGrid CharacterGrid
+--- @field lightGrid LightGrid
 --- @field selector Selector
 --- @field camera Camera
 --- @field tileGrid TileGrid
 --- @field turnOrder TurnOrder
+--- @field render Render
 local level = {}
 level.__index = level
 
-local path = nil
-
 --- @param type "procedural"|"handmaded"
 --- @param template Procedural|Handmaded
 local function new(type, template)
@@ -21,16 +22,26 @@ local function new(type, template)
     return setmetatable({
         size = size,
         characters = {},
+        deadIds = {},
         characterGrid = (require "lib.level.grid.character_grid").new(),
+        lightGrid = (require "lib.level.grid.light_grid").new(),
         tileGrid = (require "lib.level.grid.tile_grid").new(type, template, size),
         selector = (require "lib.level.selector").new(),
         camera = (require "lib.level.camera").new(),
         turnOrder = (require "lib.level.turn_order").new(),
+        render = (require "lib.level.render").new {},
+        weather = (require "lib.level.weather").new { ambientLight = Vec3 { 0.36, 0.42, 0.6 }, skyLight = Vec3 {} }
     }, level)
 end
 
 function level:update(dt)
+    utils.each(self.deadIds, function(id)
+        self.characters[id] = nil
+    end)
+    self.deadIds = {}
+
     self.characterGrid:reload()
+    self.lightGrid:reload()
     utils.each(self.characters, function(el)
         el:update(dt)
     end)
@@ -39,10 +50,13 @@ function level:update(dt)
 end
 
 function level:draw()
+    self.render:clear()
     self.tileGrid:draw()
     while not self.characterGrid.yOrderQueue:is_empty() do -- по сути это сортировка кучей за n log n
         self.characterGrid.yOrderQueue:pop():draw()
     end
+
+    self.render:draw()
 end
 
 return {

lib/level/render.lua

@@ -0,0 +1,106 @@
+--- @class Render
+--- @field textures table<string, love.Canvas>
+local render = {
+    textures = {}
+}
+
+function render:clear()
+    local weather = Tree.level.weather
+    local txs = self.textures
+    love.graphics.setCanvas(txs.shadowLayer)
+    love.graphics.clear()
+    love.graphics.setCanvas(txs.spriteLayer)
+    love.graphics.clear()
+    love.graphics.setCanvas(txs.spriteLightLayer)
+    love.graphics.clear(weather.skyLight.x, weather.skyLight.y, weather.skyLight.z)
+    love.graphics.setCanvas(txs.floorLayer)
+    love.graphics.clear()
+    love.graphics.setCanvas(txs.lightLayer)
+    love.graphics.clear(weather.skyLight.x, weather.skyLight.y, weather.skyLight.z)
+    love.graphics.setCanvas(txs.overlayLayer)
+    love.graphics.clear()
+end
+
+function render:free()
+    for _, tx in pairs(self.textures) do
+        tx:release()
+    end
+    self.textures = nil
+end
+
+--- TODO: это используется для блюра, должно кэшироваться и поддерживать ресайз
+
+function render:applyBlur(input, radius)
+    local blurShader = Tree.assets.files.shaders.blur
+
+    -- Горизонтальный проход
+    blurShader:send("direction", { 1.0, 0.0 })
+    blurShader:send("radius", radius)
+
+    self.textures.tmp1:renderTo(function()
+        love.graphics.clear()
+        love.graphics.setShader(blurShader)
+        love.graphics.draw(input)
+        love.graphics.setShader()
+    end)
+
+    -- Вертикальный проход
+    self.textures.tmp2:renderTo(
+        function()
+            love.graphics.clear()
+            love.graphics.setShader(blurShader)
+            blurShader:send("direction", { 0.0, 1.0 })
+            love.graphics.draw(self.textures.tmp1)
+            love.graphics.setShader()
+        end
+    )
+    return self.textures.tmp2
+end
+
+function render:draw()
+    -- пол -> тени -> спрайты -> свет -> оверлей
+    local weather = Tree.level.weather
+    local txs = self.textures
+    love.graphics.setCanvas(txs.lightLayer)
+    love.graphics.draw(self:applyBlur(txs.shadowLayer, 4 * Tree.level.camera.scale))
+    love.graphics.setCanvas()
+
+    -- self.lightLayer:newImageData():encode("png", "lightLayer.png")
+    -- os.exit(0)
+
+    local lightShader = Tree.assets.files.shaders.light_postprocess
+    lightShader:send("scene", txs.floorLayer)
+    lightShader:send("light", self:applyBlur(txs.lightLayer, 2))
+    lightShader:send("ambient", { weather.ambientLight.x, weather.ambientLight.y, weather.ambientLight.z })
+    love.graphics.setShader(lightShader)
+    love.graphics.draw(txs.floorLayer)
+
+
+    lightShader:send("scene", txs.spriteLayer)
+    lightShader:send("light", txs.spriteLightLayer)
+    love.graphics.draw(txs.spriteLayer)
+    love.graphics.setShader()
+
+    love.graphics.draw(txs.overlayLayer)
+end
+
+---@param params {w: number?, h: number?}
+---@return table|Render
+local function new(params)
+    local w = params.w or love.graphics.getWidth()
+    local h = params.h or love.graphics.getHeight()
+    return setmetatable({
+        textures = {
+            shadowLayer = love.graphics.newCanvas(w, h),
+            spriteLayer = love.graphics.newCanvas(w, h),
+            spriteLightLayer = love.graphics.newCanvas(w, h),
+            floorLayer = love.graphics.newCanvas(w, h),
+            overlayLayer = love.graphics.newCanvas(w, h),
+            lightLayer = love.graphics.newCanvas(w, h),
+            tmp1 = love.graphics.newCanvas(w, h),
+            tmp2 = love.graphics.newCanvas(w, h),
+        }
+    }, { __index = render })
+end
+
+return { new = new }

lib/level/weather.lua

@@ -0,0 +1,12 @@
+--- @class Weather
+--- @field skyLight Vec3
+--- @field ambientLight Vec3
+local weather = {}
+
+--- @param proto Weather
+--- @return Weather
+local function new(proto)
+    return setmetatable(proto, { __index = weather })
+end
+
+return { new = new }

lib/simple_ui/level/end_turn.lua

@@ -49,11 +49,11 @@ function endTurnButton:onClick()
     Tree.level.selector:select(nil)
     local cid = Tree.level.turnOrder.current
     local playing = Tree.level.characters[cid]
-    if not playing:has(Tree.behaviors.map) then return end
+    if not playing:has(Tree.behaviors.positioned) then return end
 
     AnimationNode {
         function(node)
-            Tree.level.camera:animateTo(playing:has(Tree.behaviors.map).displayedPosition, node)
+            Tree.level.camera:animateTo(playing:has(Tree.behaviors.positioned).position, node)
         end,
         duration = 1500,
         easing = easing.easeInOutCubic,

lib/spellbook.lua

@@ -8,15 +8,16 @@
 --- Да, это Future/Promise/await/async
 
 local AnimationNode = require "lib.animation_node"
+local easing        = require "lib.utils.easing"
 
 --- @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"
+local spell         = {}
+spell.__index       = spell
+spell.tag           = "base"
 
 function spell:update(caster, dt) end
 
@@ -51,7 +52,7 @@ function walk:cast(caster, target)
     local sprite = caster:has(Tree.behaviors.sprite)
     if not sprite then return true end
     AnimationNode {
-        function(node) caster:has(Tree.behaviors.map):followPath(path, node) end,
+        function(node) caster:has(Tree.behaviors.tiled):followPath(path, node) end,
         onEnd = function() caster:has(Tree.behaviors.spellcaster):endCast() end,
     }:run()
 
@@ -59,7 +60,7 @@ function walk:cast(caster, target)
 end
 
 function walk:update(caster, dt)
-    local charPos = caster:has(Tree.behaviors.map).position:floor()
+    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)
@@ -68,10 +69,14 @@ end
 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
 
@@ -86,6 +91,13 @@ function regenerateMana:cast(caster, target)
     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 { 0.6, 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)
@@ -93,6 +105,15 @@ function regenerateMana:cast(caster, target)
         onEnd = function() caster:has(Tree.behaviors.spellcaster):endCast() end
     }:run()
 
+    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
 
@@ -100,8 +121,8 @@ local attack = setmetatable({}, spell)
 attack.tag = "dev_attack"
 
 function attack:cast(caster, target)
-    if caster:try(Tree.behaviors.map, function(map)
-            local dist = math.max(math.abs(map.position.x - target.x), math.abs(map.position.y - target.y))
+    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
@@ -124,7 +145,7 @@ function attack:cast(caster, target)
     local targetSprite = targetCharacter:has(Tree.behaviors.sprite)
     if not sprite or not targetSprite then return true end
 
-    caster:try(Tree.behaviors.map, function(map) map:lookAt(target) end)
+    caster:try(Tree.behaviors.positioned, function(b) b:lookAt(target) end)
 
     AnimationNode {
         onEnd = function() caster:has(Tree.behaviors.spellcaster):endCast() end,
@@ -136,8 +157,9 @@ function attack:cast(caster, target)
             },
             AnimationNode {
                 function(node)
-                    targetCharacter:has(Tree.behaviors.residentsleeper):sleep(200, node)
+                    targetCharacter:has(Tree.behaviors.residentsleeper):sleep(node)
                 end,
+                duration = 200,
                 children = {
                     AnimationNode {
                         function(node)

main.lua

@@ -1,24 +1,47 @@
 -- CameraLoader = require 'lib/camera'
 
 local character = require "lib/character/character"
-require "lib/tree"
-local testLayout = require "lib.simple_ui.level.layout"
+local testLayout
 
 function love.conf(t)
     t.console = true
 end
 
 function love.load()
-    character.spawn("Foodor", Tree.assets.files.sprites.character, nil, nil, 1)
-    character.spawn("Baris", Tree.assets.files.sprites.character, Vec3 { 3, 3 }, nil, 2)
-    character.spawn("Foodor Jr", Tree.assets.files.sprites.character, Vec3 { 0, 3 }, nil, 3)
-    character.spawn("Baris Jr", Tree.assets.files.sprites.character, Vec3 { 0, 6 }, nil, 4)
-    for id, _ in pairs(Tree.level.characters) do
+    love.window.setMode(1280, 720, { resizable = true, msaa = 4, vsync = true })
+    require "lib/tree" -- важно это сделать после настройки окна
+    testLayout = require "lib.simple_ui.level.layout"
+
+    local chars = {
+        character.spawn("Foodor")
+            :addBehavior {
+                Tree.behaviors.residentsleeper.new(),
+                Tree.behaviors.stats.new(nil, nil, 1),
+                Tree.behaviors.positioned.new(Vec3 { 3, 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, 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()
+            },
+    }
+
+    for id, _ in pairs(chars) do
         Tree.level.turnOrder:add(id)
     end
+
+
     Tree.level.turnOrder:endRound()
     print("Now playing:", Tree.level.turnOrder.current)
-    love.window.setMode(1280, 720, { resizable = true, msaa = 4, vsync = true })
 end
 
 local lt = "0"
@@ -56,11 +79,8 @@ function love.draw()
     love.graphics.draw(Tree.assets.files.cats, 0, 0)
     love.graphics.pop()
 
-    Tree.level.camera:attach()
-
     Tree.level:draw()
 
-    Tree.level.camera:detach()
     testLayout:draw()
     love.graphics.setColor(1, 1, 1)
 
@@ -73,3 +93,10 @@ function love.draw()
     local t2 = love.timer.getTime()
     dt = string.format("%.3f", (t2 - t1) * 1000)
 end
+
+function love.resize(w, h)
+    local render = Tree.level.render
+    if not render then return end
+    render:free()
+    Tree.level.render = (require "lib.level.render").new { w, h }
+end