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Create windont.lua
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LDDestroier
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311
windont.lua
Normal file
311
windont.lua
Normal file
@ -0,0 +1,311 @@
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-- windon't
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-- enhanced windowing API by LDDestroier
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-- intended for general use within all me new programs
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--
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-- Unique features:
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-- + Transparency within windows
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-- + Built-in window layering
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-- + Bullshit
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local to_blit, to_colors = {}, {}
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for i = 1, 16 do
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to_blit[2 ^ (i - 1)] = ("0123456789abcdef"):sub(i, i)
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to_colors[("0123456789abcdef"):sub(i, i)] = 2 ^ (i - 1)
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end
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to_blit[0], to_colors["-"] = "-", 0
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local windont = {baseTerm = term.current()}
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windont.render = function(...)
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local windows = {...}
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local bT = windont.baseTerm
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local scr_x, scr_y = bT.getSize()
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local screenBuffer = {{}, {}, {}}
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local blitList = {} -- list of blit commands per line
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local c = 1 -- current blitList entry
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local buffer
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-- check if space on screenBuffer is transparent
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local check = function(x, y)
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if screenBuffer[1][y] then
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return screenBuffer[1][y][x] and (screenBuffer[2][y][x] or screenBuffer[3][y][x])
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end
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end
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for y = 1, scr_y do
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screenBuffer[1][y] = {}
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screenBuffer[2][y] = {}
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screenBuffer[3][y] = {}
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blitList = {}
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c = 1
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for x = 1, scr_x do
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for i = 1, #windows do
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if windows[i].meta.visible then
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buffer = windows[i].meta.buffer
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screenBuffer[1][y][x] = screenBuffer[1][y][x] or buffer[1][y][x]
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screenBuffer[2][y][x] = screenBuffer[2][y][x] or (buffer[2][y][x] ~= "-" and buffer[2][y][x])
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screenBuffer[3][y][x] = screenBuffer[3][y][x] or (buffer[3][y][x] ~= "-" and buffer[3][y][x])
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end
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end
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if check(x, y) then
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if check(x - 1, y) then
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blitList[c][1] = blitList[c][1] .. screenBuffer[1][y][x]
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blitList[c][2] = blitList[c][2] .. screenBuffer[2][y][x]
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blitList[c][3] = blitList[c][3] .. screenBuffer[3][y][x]
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else
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c = x
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blitList[c] = {
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screenBuffer[1][y][x],
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screenBuffer[2][y][x],
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screenBuffer[3][y][x]
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}
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end
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end
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end
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for k,v in pairs(blitList) do
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bT.setCursorPos(k, y)
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bT.blit(v[1], v[2], v[3])
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end
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end
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end
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windont.newWindow = function( x, y, width, height, misc )
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-- check argument types
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assert(type(x) == "number", "argument #1 must be number, got " .. type(x))
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assert(type(y) == "number", "argument #2 must be number, got " .. type(y))
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assert(type(width) == "number", "argument #3 must be number, got " .. type(width))
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assert(type(height) == "number", "argument #4 must be number, got " .. type(height))
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-- check argument validity
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assert(x > 0, "x position must be above zero")
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assert(y > 0, "y position must be above zero")
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assert(width > 0, "width must be above zero")
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assert(height > 0, "height must be above zero")
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local bT = windont.baseTerm
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local output = {}
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misc = misc or {}
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local meta = {
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x = x or 1,
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y = y or 1,
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width = width,
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height = height,
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buffer = {},
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cursorX = misc.cursorX or 1,
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cursorY = misc.cursorY or 1,
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textColor = misc.textColor or "0",
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backColor = misc.backColor or "f",
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blink = true,
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isColor = term.isColor(),
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alwaysRender = meta.alwaysDraw,
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visible = true,
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newBuffer = function(width, height, char, text, back, drawAtop)
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local output = drawAtop or {{}, {}, {}}
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for y = 1, height do
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output[1][y] = output[1][y] or {}
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output[2][y] = output[2][y] or {}
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output[3][y] = output[3][y] or {}
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for x = 1, width do
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output[1][y][x] = output[1][y][x] or char or " "
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output[2][y][x] = output[2][y][x] or text or "0"
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output[3][y][x] = output[3][y][x] or back or "f"
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end
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end
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return output
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end
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}
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meta.buffer = meta.newBuffer(meta.width, meta.height, " ", meta.textColor, meta.backColor)
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output.write = function(text)
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assert(type(text) == "string", "argument must be string")
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if meta.alwaysRender then
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local limit = math.max(0, meta.width - meta.cursorX + 1)
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bT.setCursorPos(meta.x + meta.cursorX - 1, meta.y + meta.cursorY - 1)
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bT.setTextColor(to_colors[meta.textColor])
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bT.setBackgroundColor(to_colors[meta.backColor])
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bT.write(text:sub(limit, limit))
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end
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for i = 1, #text do
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if meta.cursorX >= 1 and meta.cursorX <= meta.width and meta.cursorY >= 1 and meta.cursorY <= meta.height then
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meta.buffer[1][meta.cursorY][meta.cursorX] = text:sub(i,i)
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meta.buffer[2][meta.cursorY][meta.cursorX] = meta.textColor
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meta.buffer[3][meta.cursorY][meta.cursorX] = meta.backColor
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meta.cursorX = meta.cursorX + 1
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end
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end
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end
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output.blit = function(char, text, back)
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assert(type(char) == "string" and type(text) == "string" and type(back) == "string", "all arguments must be strings")
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assert(#char == #text and #text == #back, "arguments must be same length")
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if meta.alwaysRender then
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local limit = math.max(0, meta.width - meta.cursorX + 1)
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bT.setCursorPos(meta.x + meta.cursorX - 1, meta.y + meta.cursorY - 1)
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bT.blit(
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char:sub(limit, limit),
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text:sub(limit, limit),
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back:sub(limit, limit)
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)
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end
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for i = 1, #char do
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if meta.cursorX >= 1 and meta.cursorX <= meta.width and meta.cursorY >= 1 and meta.cursorY <= meta.height then
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meta.buffer[1][meta.cursorY][meta.cursorX] = char:sub(i,i)
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meta.buffer[2][meta.cursorY][meta.cursorX] = text:sub(i,i)
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meta.buffer[3][meta.cursorY][meta.cursorX] = back:sub(i,i)
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meta.cursorX = meta.cursorX + 1
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end
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end
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end
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output.setCursorPos = function(x, y)
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assert(type(x) == "number", "argument #1 must be number, got " .. type(x))
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assert(type(y) == "number", "argument #2 must be number, got " .. type(y))
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meta.cursorX, meta.cursorY = x, y
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if meta.alwaysRender then
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bT.setCursorPos(meta.x + meta.cursorX - 1, meta.y + meta.cursorY - 1)
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end
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end
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output.getCursorPos = function()
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return meta.cursorX, meta.cursorY
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end
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output.setTextColor = function(color)
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if to_blit[color] then
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meta.textColor = color
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else
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error("Invalid color (got " .. color .. ")")
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end
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end
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output.setTextColour = output.setTextColor
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output.setBackgroundColor = function(color)
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if to_blit[color] then
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meta.backColor = color
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else
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error("Invalid color (got " .. color .. ")")
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end
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end
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output.setBackgroundColour = output.setBackgroundColor
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output.getTextColor = function()
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return to_colors[meta.textColor]
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end
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output.getTextColour = output.getTextColor
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output.getBackgroundColor = function()
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return to_colors[meta.backColor]
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end
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output.getBackgroundColour = output.getBackgroundColor
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output.setVisible = function(visible)
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meta.visible = visible and true or false
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end
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output.clear = function()
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meta.buffer = meta.newBuffer(meta.width, meta.height, " ", meta.textColor, meta.backColor)
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end
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output.clearLine = function()
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meta.buffer[meta.cursorY] = nil
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meta.buffer = meta.newBuffer(meta.width, meta.height, " ", meta.textColor, meta.backColor, meta.buffer)
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if meta.alwaysRender then
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bT.setCursorPos(meta.x, meta.y + meta.cursorY - 1)
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bT.blit(
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(" "):rep(meta.width),
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(meta.textColor):rep(meta.width),
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(meta.backColor):rep(meta.width),
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)
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end
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end
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output.getLine = function(y)
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assert(type(y) == "number", "bad argument #1 (expected number, got " .. type(y) .. ")")
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return table.concat(meta.buffer[1][y]), table.concat(meta.buffer[2][y]), table.concat(meta.buffer[3][y])
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if meta.alwaysRender then
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output.redraw()
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end
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end
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output.scroll = function(amount)
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if amplitude > 0 then
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for i = 1, amplitude do
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table.remove(meta.buffer[1], 1)
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table.remove(meta.buffer[2], 1)
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table.remove(meta.buffer[3], 1)
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end
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else
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for i = 1, -amplitude do
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meta.buffer[1][#meta.buffer[1]] = nil
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meta.buffer[2][#meta.buffer[2]] = nil
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meta.buffer[3][#meta.buffer[3]] = nil
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end
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end
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meta.buffer = meta.newBuffer(meta.width, meta.height, " ", meta.textColor, meta.backColor, meta.buffer)
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if meta.alwaysRender then
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output.redraw()
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end
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end
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output.getSize = function()
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return height, width
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end
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output.isColor = function()
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return meta.isColor
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end
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output.isColour = output.isColor
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output.reposition = function(x, y, width, height)
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assert(type(x) == "number", "bad argument #1 (expected number, got " .. type(x) .. ")")
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assert(type(y) == "number", "bad argument #2 (expected number, got " .. type(y) .. ")")
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meta.x = math.floor(x)
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meta.y = math.floor(y)
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if width then
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assert(type(width) == "number", "bad argument #3 (expected number, got " .. type(width) .. ")")
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assert(type(height) == "number", "bad argument #4 (expected number, got " .. type(height) .. ")")
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meta.width = width
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meta.height = height
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meta.buffer = meta.newBuffer(meta.width, meta.height, " ", meta.textColor, meta.backColor, meta.buffer)
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end
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if meta.alwaysRender then
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output.redraw()
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end
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end
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output.restoreCursor = function()
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bT.setCursorPos(meta.x + meta.cursorX - 1, meta.y + meta.cursorY - 1)
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bT.setCursorBlink(meta.blink)
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end
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output.getPosition = function()
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return meta.x, meta.y
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end
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output.setCursorBlink = function(blink)
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meta.blink = blink and true or false
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end
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output.getCursorBlink = function(blink)
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return meta.blink
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end
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output.setPaletteColor = bT.setPaletteColor
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output.setPaletteColour = bT.setPaletteColour
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output.getPaletteColor = bT.getPaletteColor
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output.getPaletteColour = bT.getPaletteColour
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output.meta = meta
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output.redraw = function()
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windont.render(output)
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end
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return output
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end
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return windont
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