113 lines
4.1 KiB
Lua
113 lines
4.1 KiB
Lua
local anim8 = require "lib.utils.anim8"
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--- @class SpriteBehavior : Behavior
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--- @field animationTable table<string, table>
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--- @field animationGrid table
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--- @field state "idle"|"run"|"hurt"|"attack"
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--- @field side 1|-1
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local sprite = {}
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sprite.__index = sprite
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sprite.id = "sprite"
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sprite.LEFT = -1
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sprite.RIGHT = 1
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--- Скорость между кадрами в анимации
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sprite.ANIMATION_SPEED = 0.1
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function sprite.new(spriteDir)
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local anim = setmetatable({}, sprite)
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anim.animationTable = {}
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anim.animationGrid = {}
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-- n: name; i: image
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for n, i in pairs(spriteDir) do
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local aGrid = anim8.newGrid(96, 64, i:getWidth(), i:getHeight())
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local tiles = '1-' .. math.ceil(i:getWidth() / 96)
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anim.animationGrid[n] = aGrid(tiles, 1)
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end
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anim.state = "idle"
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anim.side = sprite.RIGHT
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anim:loop("idle")
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return anim
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end
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function sprite:update(dt)
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local anim = self.animationTable[self.state] or self.animationTable["idle"] or nil
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if not anim then return end
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anim:update(dt)
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end
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local function makeGradientMesh(w, h, topColor, bottomColor)
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local vertices = {
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{ 0, 0, 0, 0, topColor[1], topColor[2], topColor[3], topColor[4] }, -- левый верх
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{ w, 0, 1, 0, topColor[1], topColor[2], topColor[3], topColor[4] }, -- правый верх
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{ w + w * 0.1, h, 1, 1, bottomColor[1], bottomColor[2], bottomColor[3], bottomColor[4] }, -- правый низ
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{ 0 - w * 0.1, h, 0, 1, bottomColor[1], bottomColor[2], bottomColor[3], bottomColor[4] }, -- левый низ
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}
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local mesh = love.graphics.newMesh(vertices, "fan", "static")
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return mesh
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end
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function sprite:draw()
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if not self.animationTable[self.state] or not Tree.assets.files.sprites.character[self.state] then return end
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self.owner:try(Tree.behaviors.map,
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function(map)
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local ppm = Tree.level.camera.pixelsPerMeter
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local position = map.displayedPosition + Vec3 { 0.5, 0.5 }
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if Tree.level.selector.id == self.owner.id then
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local texW, texH = Tree.assets.files.sprites.character[self.state]:getWidth(),
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Tree.assets.files.sprites.character[self.state]:getHeight()
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local shader = Tree.assets.files.shaders.outline
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shader:send("texSize", { texW, texH })
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shader:send("time", love.timer:getTime())
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love.graphics.setShader(shader)
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end
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love.graphics.setCanvas(Tree.level.render.shadowLayer)
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love.graphics.setColor(0, 0, 0, 0.5)
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love.graphics.ellipse("fill", position.x, position.y, 0.2, 0.2 * math.cos(math.pi / 4))
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local mesh = makeGradientMesh(0.4, 1.5, { 0, 0, 0, 0.5 }, { 0, 0, 0, 0 })
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love.graphics.push()
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love.graphics.translate(position.x, position.y)
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love.graphics.rotate(-3 * math.pi / 4)
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love.graphics.translate(-0.2, 0)
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love.graphics.draw(mesh)
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love.graphics.pop()
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love.graphics.setCanvas(Tree.level.render.spriteLayer)
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love.graphics.setColor(1, 1, 1)
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self.animationTable[self.state]:draw(Tree.assets.files.sprites.character[self.state],
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position.x,
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position.y, nil, 1 / ppm * self.side, 1 / ppm, 38, 47)
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love.graphics.setShader()
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love.graphics.setCanvas()
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end
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)
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end
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--- @param node AnimationNode
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function sprite:animate(state, node)
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if not self.animationGrid[state] then
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return print("[SpriteBehavior]: no animation for '" .. state .. "'")
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end
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self.animationTable[state] = anim8.newAnimation(self.animationGrid[state], self.ANIMATION_SPEED,
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function()
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self:loop("idle")
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node:finish()
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end)
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self.state = state
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end
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function sprite:loop(state)
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if not self.animationGrid[state] then
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return print("[SpriteBehavior]: no animation for '" .. state .. "'")
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end
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self.animationTable[state] = anim8.newAnimation(self.animationGrid[state], self.ANIMATION_SPEED)
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self.state = state
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end
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return sprite
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