assets/shaders/alpha_mask.glsl

@@ -1,8 +0,0 @@
-vec4 effect(vec4 color, Image tex, vec2 texCoord, vec2 screenCoord)
-{
-    vec4 px = Texel(tex, texCoord);
-    if (px.a == 0.0) {
-        discard;
-    }
-    return vec4(1.0);
-}

assets/shaders/reveal.glsl

@@ -1,24 +0,0 @@
-extern float t;
-extern float blockSize;
-
-// hash-функция для шума по целочисленным координатам блока
-float hash(vec2 p) {
-    p = vec2(
-        dot(p, vec2(127.1, 311.7)),
-        dot(p, vec2(269.5, 183.3))
-    );
-    return fract(sin(p.x + p.y) * 43758.5453123);
-}
-
-vec4 effect(vec4 color, Image tex, vec2 texCoord, vec2 screenCoord)
-{
-    float blockSize = 4.0;
-
-    vec2 cell = floor(screenCoord / blockSize);
-    float n = hash(cell); // [0..1]
-    float mask = 1.0 - step(t, n);
-
-    vec4 base = Texel(tex, texCoord) * color;
-    base.a *= mask;
-    return base;
-}

assets/shaders/soft_uniform_noise.glsl

@@ -1,17 +0,0 @@
-#pragma language glsl3
-
-vec2 hash(vec2 p) {
-    p = fract(p * vec2(123.34, 456.21));
-    p += dot(p, p + 34.345);
-    return fract(vec2(p.x * p.y, p.x + p.y));
-}
-
-vec4 effect(vec4 color, Image tex, vec2 uv, vec2 px)
-{
-    vec2 cell = floor(px / 2.0); // тут можно размер зерна менять
-
-    float n = hash(cell).x;      // 0..1
-    float v = 0.9 + n * 0.1;     // 0.9..1.0
-
-    return vec4(v, v, v, 1.0);
-}

lib/simple_ui/color.lua

@@ -1,20 +0,0 @@
---- @class Color
---- @field r number
---- @field g number
---- @field b number
---- @field a number
-local color = {
-    r = 1,
-    g = 1,
-    b = 1,
-    a = 1
-}
-color.__index = color
-
---- @param rgba {r?: number, g?: number, b?: number, a?: number}
---- @return Color
-function color.new(rgba)
-    return setmetatable(rgba, color)
-end
-
-return color.new

lib/simple_ui/element.lua

@@ -1,22 +1,9 @@
 local Rect = require "lib.simple_ui.rect"
 
-local function makeGradientMesh(w, h, topColor, bottomColor)
-    local vertices = {
-        { 0, 0, 0, 0, topColor[1],    topColor[2],    topColor[3],    topColor[4] },    -- левый верх
-        { w, 0, 1, 0, topColor[1],    topColor[2],    topColor[3],    topColor[4] },    -- правый верх
-        { w, h, 1, 1, bottomColor[1], bottomColor[2], bottomColor[3], bottomColor[4] }, -- правый низ
-        { 0, h, 0, 1, bottomColor[1], bottomColor[2], bottomColor[3], bottomColor[4] }, -- левый низ
-    }
-    local mesh = love.graphics.newMesh(vertices, "fan", "static")
-    return mesh
-end
-
 --- @class UIElement
---- @field bounds Rect Прямоугольник, в границах которого размещается элемент. Размеры и положение в экранных координатах
+--- @field bounds Rect Прямоугольник, в границах которого размещается элемент. Размеры и положение в *локальных* координатах
---- @field overlayGradientMesh love.Mesh Общий градиент поверх элемента (интерполированный меш)
+--- @field transform love.Transform Преобразование из локальных координат элемента (bounds) в экранные координаты
 local uiElement = {}
-uiElement.bounds = Rect {}
-uiElement.overlayGradientMesh = makeGradientMesh(1, 1, { 0, 0, 0, 0 }, { 0, 0, 0, 0.4 });
 uiElement.__index = uiElement
 
 function uiElement:update(dt) end
@@ -24,7 +11,8 @@ function uiElement:update(dt) end
 function uiElement:draw() end
 
 function uiElement:hitTest(screenX, screenY)
-    return self.bounds:hasPoint(screenX, screenY)
+    local lx, ly = self.transform:inverseTransformPoint(screenX, screenY)
+    return self.bounds:hasPoint(lx, ly)
 end
 
 --- @generic T : UIElement
@@ -33,54 +21,8 @@ end
 --- @return T
 function uiElement.new(self, values)
     values.bounds = values.bounds or Rect {}
-    values.overlayGradientMesh = values.overlayGradientMesh or uiElement.overlayGradientMesh;
+    values.transform = values.transform or love.math.newTransform()
     return setmetatable(values, self)
 end
 
---- Рисует границу вокруг элемента (с псевдо-затенением)
---- @param type "outer" | "inner"
-function uiElement:drawBorder(type)
-    if type == "inner" then
-        love.graphics.setColor(0.2, 0.2, 0.2)
-        love.graphics.line({
-            self.bounds.x, self.bounds.y + self.bounds.height,
-            self.bounds.x, self.bounds.y,
-            self.bounds.x + self.bounds.width, self.bounds.y,
-        })
-
-        love.graphics.setColor(0.3, 0.3, 0.3)
-        love.graphics.line({
-            self.bounds.x + self.bounds.width, self.bounds.y,
-            self.bounds.x + self.bounds.width, self.bounds.y + self.bounds.height,
-            self.bounds.x, self.bounds.y + self.bounds.height,
-        })
-    else
-        love.graphics.setColor(0.2, 0.2, 0.2)
-        love.graphics.line({
-            self.bounds.x + self.bounds.width, self.bounds.y,
-            self.bounds.x + self.bounds.width, self.bounds.y + self.bounds.height,
-            self.bounds.x, self.bounds.y + self.bounds.height,
-        })
-
-        love.graphics.setColor(0.3, 0.3, 0.3)
-        love.graphics.line({
-            self.bounds.x, self.bounds.y + self.bounds.height,
-            self.bounds.x, self.bounds.y,
-            self.bounds.x + self.bounds.width, self.bounds.y,
-        })
-    end
-
-    love.graphics.setColor(1, 1, 1)
-end
-
---- рисует градиент поверх элемента
-function uiElement:drawGradientOverlay()
-    love.graphics.push()
-    love.graphics.translate(self.bounds.x, self.bounds.y)
-    love.graphics.scale(self.bounds.width, self.bounds.height)
-    love.graphics.setColor(1, 1, 1, 1)
-    love.graphics.draw(self.overlayGradientMesh)
-    love.graphics.pop()
-end
-
 return uiElement

lib/simple_ui/level/layout.lua

@@ -3,256 +3,22 @@ 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"
-local Color = require "lib.simple_ui.color"
-
---- @class BarElement : UIElement
---- @field getter fun() : number
---- @field value number
---- @field maxValue number
---- @field color Color
---- @field useDividers boolean
---- @field drawText boolean
-local barElement = setmetatable({}, Element)
-barElement.__index = barElement
-barElement.useDividers = false
-barElement.drawText = false
-
-function barElement:update(dt)
-    local val = self.getter()
-    self.value = val < 0 and 0 or val > self.maxValue and self.maxValue or val
-end
-
-function barElement:draw()
-    local valueWidth = self.bounds.width * self.value / self.maxValue
-    local emptyWidth = self.bounds.width - valueWidth
-
-    --- шум
-    love.graphics.setShader(Tree.assets.files.shaders.soft_uniform_noise)
-    love.graphics.rectangle("fill", self.bounds.x, self.bounds.y, self.bounds.width, self.bounds.height)
-    love.graphics.setShader()
-
-    --- закраска пустой части
-    love.graphics.setColor(0.05, 0.05, 0.05)
-    love.graphics.setBlendMode("multiply", "premultiplied")
-    love.graphics.rectangle("fill", self.bounds.x + valueWidth, self.bounds.y, emptyWidth,
-        self.bounds.height)
-    love.graphics.setBlendMode("alpha")
-
-    --- закраска значимой части её цветом
-    love.graphics.setColor(self.color.r, self.color.g, self.color.b)
-    love.graphics.setBlendMode("multiply", "premultiplied")
-    love.graphics.rectangle("fill", self.bounds.x, self.bounds.y, valueWidth,
-        self.bounds.height)
-    love.graphics.setBlendMode("alpha")
-
-    --- мерки
-    love.graphics.setColor(38 / 255, 50 / 255, 56 / 255)
-    if self.useDividers then
-        local count = self.maxValue - 1
-        local measureWidth = self.bounds.width / self.maxValue
-
-        for i = 1, count, 1 do
-            love.graphics.line(self.bounds.x + i * measureWidth, self.bounds.y, self.bounds.x + i * measureWidth,
-                self.bounds.y + self.bounds.height)
-        end
-    end
 
 
-    love.graphics.setColor(1, 1, 1)
-    --- текст поверх
-    if self.drawText then
-        love.graphics.printf(tostring(self.value) .. "/" .. tostring(self.maxValue), self.bounds.x,
-            self.bounds.y, self.bounds.width, "center")
-    end
-
-    self:drawGradientOverlay()
-end
-
---- @class BottomBars : UIElement
---- @field hpBar BarElement
---- @field manaBar BarElement
-local bottomBars = setmetatable({}, Element)
-bottomBars.__index = bottomBars;
-
---- @param cid Id
-function bottomBars.new(cid)
-    local t = setmetatable({}, bottomBars)
-
-    t.hpBar =
-        barElement:new {
-            getter = function()
-                local char = Tree.level.characters[cid]
-                return char:try(Tree.behaviors.stats, function(stats)
-                    return stats.hp or 0
-                end)
-            end,
-            color = Color { r = 130 / 255, g = 8 / 255, b = 8 / 255 },
-            drawText = true,
-            maxValue = 20
-        }
-
-    t.manaBar =
-        barElement:new {
-            getter = function()
-                local char = Tree.level.characters[cid]
-                return char:try(Tree.behaviors.stats, function(stats)
-                    return stats.mana or 0
-                end)
-            end,
-            color = Color { r = 51 / 255, g = 105 / 255, b = 30 / 255 },
-            useDividers = true,
-            maxValue = 10
-        }
-
-
-    return t
-end
-
-function bottomBars:update(dt)
-    local height = 14
-    local margin = 2
-
-    self.bounds.height = height
-    self.bounds.y = self.bounds.y - height
-
-    self.hpBar.bounds = Rect {
-        width = -2 * margin + self.bounds.width / 2,
-        height = height,
-        x = self.bounds.x + margin,
-        y = self.bounds.y
-    }
-
-    self.manaBar.bounds = Rect {
-        width = -2 * margin + self.bounds.width / 2,
-        height = height,
-        x = self.bounds.x + margin + self.bounds.width / 2,
-        y = self.bounds.y
-    }
-
-    self.hpBar:update(dt)
-    self.manaBar:update(dt)
-end
-
-function bottomBars:draw()
-    -- шум
-    love.graphics.setShader(Tree.assets.files.shaders.soft_uniform_noise)
-    love.graphics.rectangle("fill", self.bounds.x, self.bounds.y, self.bounds.width, self.bounds.height)
-    love.graphics.setShader()
-
-    love.graphics.setColor(38 / 255, 50 / 255, 56 / 255)
-    love.graphics.setBlendMode("multiply", "premultiplied")
-    love.graphics.rectangle("fill", self.bounds.x, self.bounds.y, self.bounds.width, self.bounds.height)
-    love.graphics.setBlendMode("alpha")
-
-    self.hpBar:draw()
-    self.manaBar:draw()
-end
-
-local c = love.graphics.newCanvas(1280, 720) --- @TODO: выставлять канвасу правильный размер в зависимости от окна
-
---- @class CharacterPanel : UIElement
---- @field animationNode AnimationNode
---- @field state "show" | "idle" | "hide"
---- @field skillRow SkillRow
---- @field bars BottomBars
-local characterPanel = setmetatable({}, Element)
-characterPanel.__index = characterPanel
-
-function characterPanel.new(characterId)
-    local t = {}
-    t.state = "show"
-    t.skillRow = SkillRow(characterId)
-    t.bars = bottomBars.new(characterId)
-    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"
-        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"
-        end,
-        duration = 300,
-        easing = easing.easeOutCubic
-    }:run()
-end
-
-function characterPanel:update(dt)
-    if self.animationNode then self.animationNode:update(dt) end
-    self.skillRow:update(dt)
-    self.bars.bounds = Rect {
-        width = self.skillRow.bounds.width,
-        x = self.skillRow.bounds.x,
-        y = self.skillRow.bounds.y
-    }
-    self.bars:update(dt)
-
-    self.bounds = Rect {
-        x = self.bars.bounds.x,
-        y = self.bars.bounds.y,
-        width = self.bars.bounds.width,
-        height = self.bars.bounds.height + self.skillRow.bounds.height
-    }
-
-    --- 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", alpha)
-end
-
-function characterPanel:draw()
-    love.graphics.setCanvas(c)
-    love.graphics.clear()
-    self.skillRow:draw()
-    self.bars:draw()
-
-    self:drawBorder("outer")
-
-    --- рисуем текстуру шейдером появления
-    love.graphics.setCanvas()
-    love.graphics.setShader(Tree.assets.files.shaders.reveal)
-    love.graphics.setColor(1, 1, 1, 1)
-    love.graphics.draw(c)
-    love.graphics.setColor(1, 1, 1)
-    love.graphics.setShader()
-end
-
------------------------------------
 local layout = {}
 function layout:update(dt)
     local cid = Tree.level.selector:selected()
     if cid then
-        self.characterPanel = characterPanel.new(cid)
+        self.skillRow = SkillRow(cid)
-        self.characterPanel:show()
+        self.skillRow:show()
     elseif Tree.level.selector:deselected() then
-        self.characterPanel:hide()
+        self.skillRow:hide()
     end
-    if self.characterPanel then self.characterPanel:update(dt) end
+    if self.skillRow then self.skillRow:update(dt) end
 end
 
 function layout:draw()
-    if self.characterPanel then self.characterPanel:draw() end
+    if self.skillRow then self.skillRow:draw() end
 end
 
 return layout

lib/simple_ui/level/scale.lua

@@ -1,2 +0,0 @@
-local UI_SCALE = 0.8 -- выдуманное значение для dependency injection
-return UI_SCALE

lib/simple_ui/level/skill_row.lua

@@ -1,19 +1,18 @@
 local icons = require("lib.utils.sprite_atlas").load(Tree.assets.files.dev_icons)
+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 UI_SCALE = require "lib.simple_ui.level.scale"
-
 --- @class SkillButton : UIElement
 --- @field hovered boolean
 --- @field selected boolean
 --- @field onClick function?
---- @field icon? string
+--- @field icon string
 local skillButton = setmetatable({}, Element)
 skillButton.__index = skillButton
 
 function skillButton:update(dt)
-    if not self.icon then return end
     local mx, my = love.mouse.getPosition()
     if self:hitTest(mx, my) then
         self.hovered = true
@@ -27,33 +26,22 @@ function skillButton:update(dt)
 end
 
 function skillButton:draw()
-    love.graphics.setLineWidth(2)
-
-
-    if not self.icon then
-        love.graphics.setColor(0.05, 0.05, 0.05)
-        love.graphics.rectangle("fill", self.bounds.x, self.bounds.y, self.bounds.width, self.bounds.height)
-        self:drawBorder("inner")
-        return
-    end
-
-    local quad = icons:pickQuad(self.icon)
     love.graphics.push()
-    love.graphics.translate(self.bounds.x, self.bounds.y)
+    love.graphics.applyTransform(self.transform)
-    love.graphics.scale(self.bounds.width / icons.tileSize, self.bounds.height / icons.tileSize)
-    love.graphics.draw(icons.atlas, quad)
-    love.graphics.pop()
 
-    self:drawBorder("inner")
+    local r, g, b, a = love.graphics.getColor()
 
     if self.selected then
-        love.graphics.setColor(0.3, 1, 0.3, 0.5)
+        love.graphics.setColor(0.3, 1, 0.3, a)
-        love.graphics.rectangle("fill", self.bounds.x, self.bounds.y, self.bounds.width, self.bounds.height)
     elseif self.hovered then
-        love.graphics.setColor(0.7, 1, 0.7, 0.5)
+        love.graphics.setColor(0.7, 1, 0.7, a)
-        love.graphics.rectangle("fill", self.bounds.x, self.bounds.y, self.bounds.width, self.bounds.height)
+    else
+        love.graphics.setColor(1, 1, 1, a)
     end
-    love.graphics.setColor(1, 1, 1)
+
+    love.graphics.translate(0, self.bounds.y)
+    love.graphics.draw(icons.atlas, icons:pickQuad(self.icon))
+    love.graphics.pop()
 end
 
 --------------------------------------------------------------------------------
@@ -61,6 +49,8 @@ end
 --- @class SkillRow : UIElement
 --- @field characterId Id
 --- @field selected SkillButton?
+--- @field animationNode AnimationNode
+--- @field state "show" | "idle" | "hide"
 --- @field children SkillButton[]
 local skillRow = setmetatable({}, Element)
 skillRow.__index = skillRow
@@ -70,6 +60,7 @@ skillRow.__index = skillRow
 function skillRow.new(characterId)
     local t = {
         characterId = characterId,
+        state = "show",
         children = {}
     }
 
@@ -80,6 +71,7 @@ function skillRow.new(characterId)
         for i, spell in ipairs(behavior.spellbook) do
             local skb = skillButton:new { icon = spell.tag }
             skb.onClick = function()
+                if t.state ~= "idle" then return end
                 skb.selected = not skb.selected
                 if t.selected then t.selected.selected = false end
                 t.selected = skb
@@ -96,79 +88,75 @@ function skillRow.new(characterId)
         end
     end)
 
-    for i = #t.children + 1, 7, 1 do
-        t.children[i] = skillButton:new {}
-    end
-
     return t
 end
 
+function skillRow:show()
+    AnimationNode {
+        function(animationNode)
+            if self.animationNode then self.animationNode:finish() end
+            self.animationNode = animationNode
+            self.state = "show"
+        end,
+        duration = 300,
+        onEnd = function()
+            self.state = "idle"
+        end,
+        easing = easing.easeOutCubic
+    }:run()
+end
+
+function skillRow:hide()
+    AnimationNode {
+        function(animationNode)
+            if self.animationNode then self.animationNode:finish() end
+            self.animationNode = animationNode
+            self.state = "hide"
+        end,
+        duration = 300,
+        easing = easing.easeOutCubic
+    }:run()
+end
+
 function skillRow:update(dt)
-    local iconSize = 64 * UI_SCALE
+    if self.animationNode then self.animationNode:update(dt) end
+
+    local iconSize = icons.tileSize
+    local scale = (64 / iconSize)
     local screenW, screenH = love.graphics.getDimensions()
-    local padding, margin = 8, 4
+    local padding = 8
-    local count = #self.children -- слоты под скиллы
+    local count = #self.children
 
     self.bounds = Rect {
-        width = iconSize * count + (count + 1) * margin,
+        width = count * icons.tileSize + (count - 1) * padding,
-        height = iconSize + 2 * margin,
+        height = iconSize,
+        y = self.state == "show" and 10 * (1 - self.animationNode:getValue()) or 0
     }
-    self.bounds.y = screenH - self.bounds.height - padding -- отступ снизу
+    self.transform = love.math.newTransform():translate(screenW / 2,
-    self.bounds.x = screenW / 2 - self.bounds.width / 2
+        screenH - 16):scale(scale, scale):translate(-self.bounds.width / 2, -iconSize)
 
     for i, skb in ipairs(self.children) do
-        skb.bounds = Rect { x = self.bounds.x + margin + (i - 1) * (iconSize + margin), -- друг за другом, включая первый отступ от границы
+        skb.bounds = Rect { height = iconSize, width = iconSize }
-            y = self.bounds.y + margin, height = iconSize, width = iconSize }
+        skb.transform = self.transform:clone():translate(self.bounds.x + (i - 1) * iconSize +
+            (i - 1) *
+            padding,      -- левый край ряда + размер предыдущих иконок + размер предыдущих отступов
+            self.bounds.y -- высота не меняется
+        )
         skb:update(dt)
     end
 end
 
-local c = love.graphics.newCanvas(1280, 720) --- @TODO: выставлять канвасу правильный размер в зависимости от окна
-
 function skillRow:draw()
-    local oldCanvas = love.graphics.getCanvas()
+    local alpha = 1
-    love.graphics.setCanvas({ c, stencil = true })
+    if self.state == "show" then
-    love.graphics.clear()
+        alpha = self.animationNode:getValue()
-    love.graphics.setColor(1, 1, 1)
+    elseif self.state == "hide" then
-
+        alpha = 1 - self.animationNode:getValue()
-    -- сначала иконки скиллов
+    end
+    love.graphics.setColor(1, 1, 1, alpha)
     for _, skb in ipairs(self.children) do
         skb:draw()
     end
-
-    -- маска для вырезов под иконки
-    love.graphics.setShader(Tree.assets.files.shaders.alpha_mask)
-    love.graphics.stencil(function()
-        local mask = Tree.assets.files.masks.rrect32
-        local maskSize = mask:getWidth()
-        for _, skb in ipairs(self.children) do
-            love.graphics.draw(mask, skb.bounds.x, skb.bounds.y, 0,
-                skb.bounds.width / maskSize, skb.bounds.height / maskSize)
-        end
-    end, "replace", 1)
-    love.graphics.setShader()
-
-    -- дальше рисуем панель, перекрывая иконки
-    love.graphics.setStencilTest("less", 1)
-    -- шум
-    love.graphics.setShader(Tree.assets.files.shaders.soft_uniform_noise)
-    love.graphics.rectangle("fill", self.bounds.x, self.bounds.y, self.bounds.width, self.bounds.height)
-    love.graphics.setShader()
-
-    -- фон
-    love.graphics.setColor(38 / 255, 50 / 255, 56 / 255)
-    love.graphics.setBlendMode("multiply", "premultiplied")
-    love.graphics.rectangle("fill", self.bounds.x, self.bounds.y, self.bounds.width, self.bounds.height)
-    love.graphics.setBlendMode("alpha")
-
-    love.graphics.setStencilTest()
-
-    --затенение
-    self:drawGradientOverlay()
-
-    love.graphics.setColor(1, 1, 1)
-    love.graphics.setCanvas(oldCanvas)
-    love.graphics.draw(c)
 end
 
 return skillRow.new

lib/simple_ui/rect.lua

@@ -18,7 +18,7 @@ function rect.new(table)
 end
 
 function rect:hasPoint(x, y)
-    return x >= self.x and x < self.x + self.width and y >= self.y and y < self.y + self.height
+    return x >= self.x and x < self.width and y >= self.y and y < self.height
 end
 
 return rect.new

main.lua

@@ -18,7 +18,7 @@ function love.load()
     end
     Tree.level.turnOrder:endRound()
     print("Now playing:", Tree.level.turnOrder.current)
-    love.window.setMode(1280, 720, { resizable = false, msaa = 0, vsync = true })
+    love.window.setMode(1080, 720, { resizable = true, msaa = 4, vsync = true })
 end
 
 local lt = "0"