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HKXluo
294
Demo/SanjuuniApi-Demo/lib/bimg/bimg-player.lua
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294
Demo/SanjuuniApi-Demo/lib/bimg/bimg-player.lua
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-- bimg_advanced.lua
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-- 增强版 BIMG 图像/动画播放库
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-- 功能:
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-- 1. 支持文件路径、URL 和直接数据播放
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-- 2. 支持循环播放
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-- 3. 提供播放控制功能
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-- 4. 支持多显示器配置
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-- 5. 支持自定义终端对象
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local bimg = {}
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local currentAnimation = nil
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local running = false
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local httpEnabled = false
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-- 检查并启用HTTP功能
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if http and http.get then
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httpEnabled = true
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end
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-- 内部函数：绘制单帧
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local function drawFrame(frame, termObj)
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for y, row in ipairs(frame) do
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termObj.setCursorPos(1, y)
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termObj.blit(table.unpack(row))
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end
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if frame.palette then
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for i = 0, #frame.palette do
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local c = frame.palette[i]
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if type(c) == "table" then
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termObj.setPaletteColor(2^i, table.unpack(c))
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else
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termObj.setPaletteColor(2^i, c)
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end
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end
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end
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end
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-- 内部函数：加载图像数据
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local function loadImageData(data)
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if type(data) == "string" then
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-- 如果是字符串，尝试反序列化
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local success, result = pcall(textutils.unserialize, data)
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if success then
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return result
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else
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error("Invalid image data: " .. result)
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end
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elseif type(data) == "table" then
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-- 如果是table，直接使用
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return data
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else
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error("Unsupported image data type")
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end
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end
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-- 从文件加载图像
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function bimg.loadFromFile(path)
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local file, err = fs.open(shell.resolve(path), "rb")
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if not file then error("Could not open file: " .. err) end
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local data = file.readAll()
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file.close()
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return loadImageData(data)
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end
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-- 从URL加载图像
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function bimg.loadFromURL(url)
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if not httpEnabled then
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error("HTTP API is not available")
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end
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local response = http.get(url)
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if not response then
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error("Failed to fetch from URL: " .. url)
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end
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local data = response.readAll()
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response.close()
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return loadImageData(data)
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end
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-- 内部函数：校准多显示器
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local function calibrateMonitors(width, height)
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term.clear()
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term.setCursorPos(1, 1)
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print('This image needs monitors to be calibrated before being displayed.')
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print('Please right-click each monitor in order, from the top left corner')
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print('to the bottom right corner, going right first, then down.')
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local monitors = {}
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local names = {}
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for y = 1, height do
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monitors[y] = {}
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for x = 1, width do
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local _, oy = term.getCursorPos()
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-- 绘制校准界面
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for ly = 1, height do
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term.setCursorPos(3, oy + ly - 1)
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term.clearLine()
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for lx = 1, width do
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term.blit('\x8F ', (lx == x and ly == y) and '00' or '77', 'ff')
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end
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end
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term.setCursorPos(3, oy + height)
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term.write('(' .. x .. ', ' .. y .. ')')
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term.setCursorPos(1, oy)
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-- 等待用户点击显示器
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repeat
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local _, name = os.pullEvent('monitor_touch')
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monitors[y][x] = name
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until not names[name]
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names[monitors[y][x]] = true
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sleep(0.25)
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end
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end
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settings.set('sanjuuni.multimonitor', monitors)
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settings.save()
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print('Calibration complete. Settings have been saved for future use.')
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return monitors
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end
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-- 播放图像/动画
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function bimg.play(source, options)
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options = options or {}
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local termObj = options.terminal or term
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local loop = options.loop or false
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local isURL = options.isURL or false
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-- 停止当前播放
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bimg.stop()
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-- 加载图像数据
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local img
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if type(source) == "string" then
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if isURL then
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img = bimg.loadFromURL(source)
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else
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img = bimg.loadFromFile(source)
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end
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else
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img = loadImageData(source)
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end
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-- 设置运行标志
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running = true
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currentAnimation = {
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img = img,
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term = termObj,
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running = true,
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loop = loop
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}
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local function playFrames()
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repeat
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if img.multiMonitor then
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local width, height = img.multiMonitor.width, img.multiMonitor.height
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local monitors = settings.get('sanjuuni.multimonitor')
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-- 如果需要校准显示器
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if not monitors or #monitors < height or #monitors[1] < width then
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monitors = calibrateMonitors(width, height)
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end
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-- 播放多显示器动画
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for i = 1, #img, width * height do
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if not currentAnimation or not currentAnimation.running then break end
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-- 在所有显示器上绘制当前帧
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for y = 1, height do
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for x = 1, width do
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local frameIndex = i + (y-1) * width + x-1
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if frameIndex <= #img then
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local monitor = peripheral.wrap(monitors[y][x])
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if monitor then
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drawFrame(img[frameIndex], monitor)
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end
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end
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end
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end
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-- 等待帧间隔
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if img.animation then
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sleep(img[i].duration or img.secondsPerFrame or 0.05)
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else
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break
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end
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end
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else
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-- 单显示器播放
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termObj.clear()
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-- 播放每一帧
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for _, frame in ipairs(img) do
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if not currentAnimation or not currentAnimation.running then break end
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drawFrame(frame, termObj)
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-- 等待帧间隔
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if img.animation then
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sleep(frame.duration or img.secondsPerFrame or 0.05)
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else
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break
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end
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end
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end
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-- 如果不是循环播放，则退出
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if not currentAnimation or not currentAnimation.loop then
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break
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end
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until not currentAnimation or not currentAnimation.running
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end
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-- 播放结束后的清理
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local function cleanup()
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if currentAnimation and currentAnimation.running then
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local termObj = currentAnimation.term
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-- 重置终端状态
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termObj.setBackgroundColor(colors.black)
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termObj.setTextColor(colors.white)
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termObj.clear()
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termObj.setCursorPos(1, 1)
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-- 重置调色板
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for i = 0, 15 do
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termObj.setPaletteColor(2^i, term.nativePaletteColor(2^i))
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end
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end
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running = false
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currentAnimation = nil
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end
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-- 在新线程中播放
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parallel.waitForAny(
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function()
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local success, err = pcall(playFrames)
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if not success then
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printError("Error playing animation: " .. err)
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end
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cleanup()
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end,
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function()
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while currentAnimation and currentAnimation.running do
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os.pullEvent("bimg_stop")
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currentAnimation.running = false
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end
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end
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)
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end
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-- 停止播放
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function bimg.stop()
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if currentAnimation then
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currentAnimation.running = false
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os.queueEvent("bimg_stop")
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end
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running = false
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end
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-- 检查是否正在播放
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function bimg.isPlaying()
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return running
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end
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-- 获取当前播放状态
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function bimg.getStatus()
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if not currentAnimation then
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return {
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playing = false,
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looping = false,
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frameCount = 0,
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currentFrame = 0
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}
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end
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return {
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playing = currentAnimation.running,
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looping = currentAnimation.loop,
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frameCount = #currentAnimation.img,
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currentFrame = currentAnimation.currentFrame or 0
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}
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end
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return bimg
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