trash
Description
TRASH by LDDestroier
Installation
Copy one of these commands into your ComputerCraft terminal:
wget:
wget https://raw.githubusercontent.com/LDDestroier/CC/master/trash.lua trashArchive:
wget https://cc.shobie.xyz/cc/get/gh-LDDestroier-CC-trash trash
Quick Install:
wget https://cc.shobie.xyz/cc/get/gh-LDDestroier-CC-trash trash
Usage
Run: trash
Tags
Source
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-- TRASH by LDDestroier
-- Syntax:
-- > trash.lua [program] [arg1] [arg2] ...
--
-- Close the program or use LeftCTRL + LeftSHIFT + Backspace
-- to throw it in the traaaaaaaaash
local tArg = {...}
local scr_x, scr_y = term.getSize()
local images = {
handOpen = {
{" ","","","
"," "," "," ",},
{" 00ffff ","fffff000000","ffff0000000"," ff0000000"," f000 "," f000 "," 00 ",},
{" f00000 ","0000000000f","0000000000f"," 0000000ff"," 000f "," 00ff "," ff ",}
},
handClosed = {
{" "," "," ","
"," "," "},
{" fffff "," fff0000000"," ff00000000"," ff00000000"," 0fff000 "," 0000 "},
{" 00000 "," 000000000f"," 000000000f"," 0000000fff"," f00000f "," ffff "}
},
trashCan = {
{"","
"," "," "," "," "," ","
","
"},
{"888ffffffff888","f8877787778788","8878888788878 "," f88788788788 "," f8878878878 "," 8878878788 "," f887878788 "," 887787778 "," 88888888 "},
{"7788888888887f","8878887888788f"," 887887888788 "," 88788788788f "," 88788788788 "," 887878878f "," 887878788f "," f8887888f "," ffffffff ", }
},
trashLid = {
{" "," "," ","", },
{"fffffffffff","fffffffffff","ffffffffff8","f888877778888f"},
{"fffffffffff","fffffffffff","fff8888888f","88888888888888"}
}
}
-- start up lddterm
local lddterm = {}
lddterm.alwaysRender = false -- renders after any and all screen-changing functions.
lddterm.useColors = true -- normal computers do not allow color, but this variable doesn't do anything yet
lddterm.baseTerm = term.current() -- will draw to this terminal
lddterm.transformation = nil -- will modify the current buffer as an NFT image before rendering
lddterm.cursorTransformation = nil -- will modify the cursor position
lddterm.drawFunction = nil -- will draw using this function instead of basic NFT drawing
lddterm.adjustX = 0 -- moves entire screen X
lddterm.adjustY = 0 -- moves entire screen Y
lddterm.selectedWindow = 1 -- determines which window controls the cursor
lddterm.windows = {}
-- converts hex colors to colors api, and back
local to_colors, to_blit = {
[' '] = 0,
['0'] = 1,
['1'] = 2,
['2'] = 4,
['3'] = 8,
['4'] = 16,
['5'] = 32,
['6'] = 64,
['7'] = 128,
['8'] = 256,
['9'] = 512,
['a'] = 1024,
['b'] = 2048,
['c'] = 4096,
['d'] = 8192,
['e'] = 16384,
['f'] = 32768,
}, {}
for k,v in pairs(to_colors) do
to_blit[v] = k
end
-- separates string into table based on divider
local explode = function(div, str, replstr, includeDiv)
if (div == '') then
return false
end
local pos, arr = 0, {}
for st, sp in function() return string.find(str, div, pos, false) end do
table.insert(arr, string.sub(replstr or str, pos, st - 1 + (includeDiv and #div or 0)))
pos = sp + 1
end
table.insert(arr, string.sub(replstr or str, pos))
return arr
end
-- determines the size of the terminal before rendering always
local determineScreenSize = function()
scr_x, scr_y = lddterm.baseTerm.getSize()
lddterm.screenWidth = scr_x
lddterm.screenHeight = scr_y
end
determineScreenSize()
-- takes two or more windows and checks if the first of them overlap the other(s)
lddterm.checkWindowOverlap = function(window, ...)
if #lddterm.windows < 2 then
return false
end
local list, win = {...}
for i = 1, #list do
win = list[i]
if win ~= window then
if (
window.x < win.x + win.width and
win.x < window.x + window.width and
window.y < win.y + win.height and
win.y < window.y + window.height
) then
return true
end
end
end
return false
end
local fixCursorPos = function()
local cx, cy
if lddterm.windows[lddterm.selectedWindow] then
if lddterm.cursorTransformation then
cx, cy = lddterm.cursorTransformation(
lddterm.windows[lddterm.selectedWindow].cursor[1],
lddterm.windows[lddterm.selectedWindow].cursor[2]
)
lddterm.baseTerm.setCursorPos(
cx + lddterm.windows[lddterm.selectedWindow].x - 1,
cy + lddterm.windows[lddterm.selectedWindow].y - 1
)
else
lddterm.baseTerm.setCursorPos(
-1 + lddterm.windows[lddterm.selectedWindow].cursor[1] + lddterm.windows[lddterm.selectedWindow].x,
lddterm.windows[lddterm.selectedWindow].cursor[2] + lddterm.windows[lddterm.selectedWindow].y - 1
)
end
lddterm.baseTerm.setCursorBlink(lddterm.windows[lddterm.selectedWindow].blink)
end
end
-- renders the screen with optional transformation function
lddterm.render = function(transformation, drawFunction)
-- determine new screen size and change lddterm screen to fit
old_scr_x, old_scr_y = scr_x, scr_y
determineScreenSize()
if old_scr_x ~= scr_x or old_scr_y ~= scr_y then
lddterm.baseTerm.clear()
end
local image = lddterm.screenshot()
if type(transformation) == "function" then
image = transformation(image)
end
if drawFunction then
drawFunction(image, lddterm.baseTerm)
else
for y = 1, #image[1] do
lddterm.baseTerm.setCursorPos(1 + lddterm.adjustX, y + lddterm.adjustY)
lddterm.baseTerm.blit(image[1][y], image[2][y]:gsub(" ", "f"), image[3][y]:gsub(" ", "f"))
end
end
fixCursorPos()
end
lddterm.newWindow = function(width, height, x, y, meta)
meta = meta or {}
local window = {
width = math.floor(width),
height = math.floor(height),
blink = true,
cursor = meta.cursor or {1, 1},
colors = meta.colors or {"0", "f"},
clearChar = meta.clearChar or " ",
visible = meta.visible or true,
x = math.floor(x) or 1,
y = math.floor(y) or 1,
buffer = {{},{},{}},
}
for y = 1, height do
window.buffer[1][y] = {}
window.buffer[2][y] = {}
window.buffer[3][y] = {}
for x = 1, width do
window.buffer[1][y][x] = window.clearChar
window.buffer[2][y][x] = window.colors[1]
window.buffer[3][y][x] = window.colors[2]
end
end
window.handle = {}
window.handle.setCursorPos = function(x, y)
window.cursor = {x, y}
fixCursorPos()
end
window.handle.getCursorPos = function()
return window.cursor[1], window.cursor[2]
end
window.handle.setCursorBlink = function(blink)
window.blink = blink or false
end
window.handle.getCursorBlink = function()
return window.blink
end
window.handle.scroll = function(amount)
if amount > 0 then
for i = 1, amount do
for c = 1, 3 do
table.remove(window.buffer[c], 1)
window.buffer[c][window.height] = {}
for xx = 1, width do
window.buffer[c][window.height][xx] = (
c == 1 and window.clearChar or
c == 2 and window.colors[1] or
c == 3 and window.colors[2]
)
end
end
end
elseif amount < 0 then
for i = 1, -amount do
for c = 1, 3 do
window.buffer[c][window.height] = nil
table.insert(window.buffer[c], 1, {})
for xx = 1, width do
window.buffer[c][1][xx] = (
c == 1 and window.clearChar or
c == 2 and window.colors[1] or
c == 3 and window.colors[2]
)
end
end
end
end
if lddterm.alwaysRender then
lddterm.render(lddterm.transformation, lddterm.drawFunction)
end
end
window.handle.scrollX = function(amount)
if amount > 0 then
for i = 1, amount do
for c = 1, 3 do
for y = 1, window.height do
table.remove(window.buffer[c][y], 1)
window.buffer[c][y][window.width] = (
c == 1 and window.clearChar or
c == 2 and window.colors[1] or
c == 3 and window.colors[2]
)
end
end
end
elseif amount < 0 then
for i = 1, -amount do
for c = 1, 3 do
for y = 1, window.height do
window.buffer[c][y][window.width] = nil
table.insert(window.buffer[c][y], 1, (
c == 1 and window.clearChar or
c == 2 and window.colors[1] or
c == 3 and window.colors[2]
))
end
end
end
end
if lddterm.alwaysRender then
lddterm.render(lddterm.transformation, lddterm.drawFunction)
end
end
window.handle.write = function(text, x, y, ignoreAlwaysRender)
assert(text ~= nil, "expected string 'text'")
text = tostring(text)
local cx = math.floor(tonumber(x) or window.cursor[1])
local cy = math.floor(tonumber(y) or window.cursor[2])
text = text:sub(math.max(0, -cx - 1))
for i = 1, #text do
if cx >= 1 and cx <= window.width and cy >= 1 and cy <= window.height then
window.buffer[1][cy][cx] = text:sub(i,i)
window.buffer[2][cy][cx] = window.colors[1]
window.buffer[3][cy][cx] = window.colors[2]
end
cx = math.min(cx + 1, window.width + 1)
end
window.cursor = {cx, cy}
if lddterm.alwaysRender and not ignoreAlwaysRender then
lddterm.render(lddterm.transformation, lddterm.drawFunction)
end
end
window.handle.writeWrap = function(text, x, y, ignoreAlwaysRender)
local words = explode(" ", text, nil, true)
local cx, cy = x or window.cursor[1], y or window.cursor[2]
for i = 1, #words do
if cx + #words[i] > window.width + 1 then
cx = 1
if cy >= window.height then
window.handle.scroll(1)
cy = window.height
else
cy = cy + 1
end
end
window.handle.write(words[i], cx, cy, true)
cx = cx + #words[i]
end
if lddterm.alwaysRender and not ignoreAlwaysRender then
lddterm.render(lddterm.transformation, lddterm.drawFunction)
end
end
window.handle.blit = function(char, textCol, backCol, x, y)
if type(char) == "number" then
char = tostring(char)
end
if type(textCol) == "number" then
textCol = tostring(textCol)
end
if type(backCol) == "number" then
backCol = tostring(backCol)
end
assert(char ~= nil, "expected string 'char'")
local cx = math.floor(tonumber(x) or window.cursor[1])
local cy = math.floor(tonumber(y) or window.cursor[2])
char = char:sub(math.max(0, -cx - 1))
for i = 1, #char do
if cx >= 1 and cx <= window.width and cy >= 1 and cy <= window.height then
window.buffer[1][cy][cx] = char:sub(i,i)
window.buffer[2][cy][cx] = textCol:sub(i,i)
window.buffer[3][cy][cx] = backCol:sub(i,i)
end
cx = cx + 1
end
window.cursor = {cx, cy}
if lddterm.alwaysRender and not ignoreAlwaysRender then
lddterm.render(lddterm.transformation, lddterm.drawFunction)
end
end
window.handle.print = function(text, x, y)
text = text and tostring(text)
window.handle.write(text, x, y, true)
window.cursor[1] = 1
if window.cursor[2] >= window.height then
window.handle.scroll(1)
else
window.cursor[2] = window.cursor[2] + 1
if lddterm.alwaysRender then
lddterm.render(lddterm.transformation, lddterm.drawFunction)
end
end
end
window.handle.clear = function(char, ignoreAlwaysRender)
local cx = 1
for y = 1, window.height do
for x = 1, window.width do
if char then
cx = (x % #char) + 1
end
window.buffer[1][y][x] = char and char:sub(cx, cx) or window.clearChar
window.buffer[2][y][x] = window.colors[1]
window.buffer[3][y][x] = window.colors[2]
end
end
if lddterm.alwaysRender and not ignoreAlwaysRender then
lddterm.render(lddterm.transformation, lddterm.drawFunction)
end
end
window.handle.clearLine = function(cy, char, ignoreAlwaysRender)
cy = math.floor(cy or window.cursor[2])
local cx = 1
for x = 1, window.width do
if char then
cx = (x % #char) + 1
end
window.buffer[1][cy or window.cursor[2]][x] = char and char:sub(cx, cx) or window.clearChar
window.buffer[2][cy or window.cursor[2]][x] = window.colors[1]
window.buffer[3][cy or window.cursor[2]][x] = window.colors[2]
end
if lddterm.alwaysRender and not ignoreAlwaysRender then
lddterm.render(lddterm.transformation, lddterm.drawFunction)
end
end
window.handle.clearColumn = function(cx, char, ignoreAlwaysRender)
cx = math.floor(cx)
char = char and char:sub(1,1)
for y = 1, window.height do
window.buffer[1][y][cx or window.cursor[1]] = char and char or window.clearChar
window.buffer[2][y][cx or window.cursor[1]] = window.colors[1]
window.buffer[3][y][cx or window.cursor[1]] = window.colors[2]
end
if lddterm.alwaysRender and not ignoreAlwaysRender then
lddterm.render(lddterm.transformation, lddterm.drawFunction)
end
end
window.handle.getSize = function()
return window.width, window.height
end
window.handle.isColor = function()
return lddterm.useColors
end
window.handle.isColour = window.handle.isColor
window.handle.setTextColor = function(color)
if to_blit[color] then
window.colors[1] = to_blit[color]
end
end
window.handle.setTextColour = window.handle.setTextColor
window.handle.setBackgroundColor = function(color)
if to_blit[color] then
window.colors[2] = to_blit[color]
end
end
window.handle.setBackgroundColour = window.handle.setBackgroundColor
window.handle.getTextColor = function()
return to_colors[window.colors[1]] or colors.white
end
window.handle.getTextColour = window.handle.getTextColor
window.handle.getBackgroundColor = function()
return to_colors[window.colors[2]] or colors.black
end
window.handle.getBackgroundColour = window.handle.getBackgroundColor
window.handle.reposition = function(x, y)
window.x = math.floor(x or window.x)
window.y = math.floor(y or window.y)
if lddterm.alwaysRender then
lddterm.render(lddterm.transformation, lddterm.drawFunction)
end
end
window.handle.setPaletteColor = function(...)
return lddterm.baseTerm.setPaletteColor(...)
end
window.handle.setPaletteColour = window.handle.setPaletteColor
window.handle.getPaletteColor = function(...)
return lddterm.baseTerm.getPaletteColor(...)
end
window.handle.getPaletteColour = window.handle.getPaletteColor
window.handle.getPosition = function()
return window.x, window.y
end
window.handle.restoreCursor = function()
lddterm.baseTerm.setCursorPos(
-1 + window.cursor[1] + window.x,
window.cursor[2] + window.y - 1
)
end
window.handle.setVisible = function(visible)
window.visible = visible or false
end
window.handle.redraw = lddterm.render
window.handle.current = window.handle
window.layer = #lddterm.windows + 1
lddterm.windows[window.layer] = window
return window, window.layer
end
lddterm.setLayer = function(window, _layer)
local layer = math.max(1, math.min(#lddterm.windows, _layer))
local win = window
table.remove(lddterm.windows, win.layer)
table.insert(lddterm.windows, layer, win)
if lddterm.alwaysRender then
lddterm.render(lddterm.transformation, lddterm.drawFunction)
end
return true
end
-- if the screen changes size, the effect is broken
local old_scr_x, old_scr_y
-- gets screenshot of whole lddterm desktop, OR a single window
lddterm.screenshot = function(window)
local output = {{},{},{}}
local line
if window then
for y = 1, #window.buffer do
line = {"","",""}
for x = 1, #window.buffer do
line = {
line[1] .. window.buffer[1][y][x],
line[2] .. window.buffer[2][y][x],
line[3] .. window.buffer[3][y][x]
}
end
output[1][y] = line[1]
output[2][y] = line[2]
output[3][y] = line[3]
end
else
for y = 1, scr_y do
line = {"","",""}
for x = 1, scr_x do
c = "."
lt, lb = t, b
t, b = "0", "f"
for l = 1, #lddterm.windows do
if lddterm.windows[l].visible then
sx = 1 + x - lddterm.windows[l].x
sy = 1 + y - lddterm.windows[l].y
if lddterm.windows[l].buffer[1][sy] then
if lddterm.windows[l].buffer[1][sy][sx] then
c = lddterm.windows[l].buffer[1][sy][sx] or c
t = lddterm.windows[l].buffer[2][sy][sx] or t
b = lddterm.windows[l].buffer[3][sy][sx] or b
break
end
end
end
end
line = {
line[1] .. c,
line[2] .. t,
line[3] .. b
}
end
output[1][y] = line[1]
output[2][y] = line[2]
output[3][y] = line[3]
end
end
return output
end
-- load an abbridged NFTE API
local nfte = {}
local tchar = string.char(31) -- for text colors
local bchar = string.char(30) -- for background colors
local nchar = string.char(29) -- for differentiating multiple frames in ANFT
local round = function(num)
return math.floor(num + 0.5)
end
local deepCopy
deepCopy = function(tbl)
local output = {}
for k,v in pairs(tbl) do
if type(v) == "table" then
output[k] = deepCopy(v)
else
output[k] = v
end
end
return output
end
local function stringWrite(str,pos,ins,exc)
str, ins = tostring(str), tostring(ins)
local output, fn1, fn2 = str:sub(1,pos-1)..ins..str:sub(pos+#ins)
if exc then
repeat
fn1, fn2 = str:find(exc,fn2 and fn2+1 or 1)
if fn1 then
output = stringWrite(output,fn1,str:sub(fn1,fn2))
end
until not fn1
end
return output
end
local checkValid = function(image)
if type(image) == "table" then
if #image == 3 then
return (#image[1] == #image[2] and #image[2] == #image[3])
end
end
return false
end
local checkIfANFT = function(image)
if type(image) == "table" then
return type(image[1][1]) == "table"
elseif type(image) == "string" then
return image:find(nchar) and true or false
end
end
-- returns (x, y) size of a loaded NFT image
nfte.getSize = function(image)
assert(checkValid(image), "Invalid image.")
local x, y = 0, #image[1]
for y = 1, #image[1] do
x = math.max(x, #image[1][y])
end
return x, y
end
local loadImageDataNFT = function(image, background) -- string image
local output = {{},{},{}} -- char, text, back
local y = 1
background = (background or " "):sub(1,1)
local text, back = " ", background
local doSkip, c1, c2 = false
local maxX = 0
local bx
for i = 1, #image do
if doSkip then
doSkip = false
else
output[1][y] = output[1][y] or ""
output[2][y] = output[2][y] or ""
output[3][y] = output[3][y] or ""
c1, c2 = image:sub(i,i), image:sub(i+1,i+1)
if c1 == tchar then
text = c2
doSkip = true
elseif c1 == bchar then
back = c2
doSkip = true
elseif c1 == "\n" then
maxX = math.max(maxX, #output[1][y])
y = y + 1
text, back = " ", background
else
output[1][y] = output[1][y]..c1
output[2][y] = output[2][y]..text
output[3][y] = output[3][y]..back
end
end
end
for y = 1, #output[1] do
output[1][y] = output[1][y] .. (" "):rep(maxX - #output[1][y])
output[2][y] = output[2][y] .. (" "):rep(maxX - #output[2][y])
output[3][y] = output[3][y] .. (background):rep(maxX - #output[3][y])
end
return output
end
local loadImageDataNFP = function(image, background)
local output = {}
local x, y = 1, 1
for i = 1, #image do
output[y] = output[y] or {}
if bl[image:sub(i,i)] then
output[y][x] = bl[image:sub(i,i)]
x = x + 1
elseif image:sub(i,i) == "\n" then
x, y = 1, y + 1
end
end
return output
end
-- takes a loaded image and returns a loaded NFT image
nfte.convertFromNFP = function(image, background)
background = background or " "
local output = {{},{},{}}
if type(image) == "string" then
image = loadImageDataNFP(image)
end
local imageX, imageY = getSizeNFP(image)
local bx
for y = 1, imageY do
output[1][y] = ""
output[2][y] = ""
output[3][y] = ""
for x = 1, imageX do
if image[y][x] then
bx = (x % #background) + 1
output[1][y] = output[1][y]..lb[image[y][x] or background:sub(bx,bx)]
output[2][y] = output[2][y]..lb[image[y][x] or background:sub(bx,bx)]
output[3][y] = output[3][y]..lb[image[y][x] or background:sub(bx,bx)]
end
end
end
return output
end
-- loads the raw string NFT image data
nfte.loadImageData = function(image, background)
assert(type(image) == "string", "NFT image data must be string.")
local output = {}
-- images can be ANFT, which means they have multiple layers
if checkIfANFT(image) then
local L, R = 1, 1
while L do
R = (image:find(nchar, L + 1) or 0)
output[#output+1] = loadImageDataNFT(image:sub(L, R - 1), background)
L = image:find(nchar, R + 1)
if L then L = L + 2 end
end
return output, "anft"
elseif image:find(tchar) or image:find(bchar) then
return loadImageDataNFT(image, background), "nft"
else
return convertFromNFP(image), "nfp"
end
end
-- loads an image file. will convert from NFP if necessary
nfte.loadImage = function(path, background)
local file = io.open(path, "r")
if file then
io.input(file)
local output, format = loadImageData(io.read("*all"), background)
io.close()
return output, format
else
error("No such file exists, or is directory.")
end
end
local unloadImageNFT = function(image)
assert(checkValid(image), "Invalid image.")
local output = ""
local text, back = " ", " "
local c, t, b
for y = 1, #image[1] do
for x = 1, #image[1][y] do
c, t, b = image[1][y]:sub(x,x), image[2][y]:sub(x,x), image[3][y]:sub(x,x)
if (t ~= text) or (x == 1) then
output = output..tchar..t
text = t
end
if (b ~= back) or (x == 1) then
output = output..bchar..b
back = b
end
output = output..c
end
if y ~= #image[1] then
output = output.."\n"
text, back = " ", " "
end
end
return output
end
-- takes a loaded NFT image and converts it back into regular NFT (or ANFT)
nfte.unloadImage = function(image)
assert(checkValid(image), "Invalid image.")
local output = ""
if checkIfANFT(image) then
for i = 1, #image do
output = output .. unloadImageNFT(image[i])
if i ~= #image then
output = output .. nchar .. "\n"
end
end
else
output = unloadImageNFT(image)
end
return output
end
-- draws an image with the topleft corner at (x, y)
nfte.drawImage = function(image, x, y, terminal)
assert(checkValid(image), "Invalid image.")
assert(type(x) == "number", "x value must be number, got " .. type(x))
assert(type(y) == "number", "y value must be number, got " .. type(y))
terminal = terminal or term.current()
local cx, cy = terminal.getCursorPos()
for iy = 1, #image[1] do
terminal.setCursorPos(x, y + (iy - 1))
terminal.blit(image[1][iy], image[2][iy], image[3][iy])
end
terminal.setCursorPos(cx,cy)
end
-- draws an image with the topleft corner at (x, y), with transparency
nfte.drawImageTransparent = function(image, x, y, terminal)
assert(checkValid(image), "Invalid image.")
assert(type(x) == "number", "x value must be number, got " .. type(x))
assert(type(y) == "number", "y value must be number, got " .. type(y))
terminal = terminal or term.current()
local cx, cy = terminal.getCursorPos()
local c, t, b
for iy = 1, #image[1] do
for ix = 1, #image[1][iy] do
c, t, b = image[1][iy]:sub(ix,ix), image[2][iy]:sub(ix,ix), image[3][iy]:sub(ix,ix)
if b ~= " " or c ~= " " then
terminal.setCursorPos(x + (ix - 1), y + (iy - 1))
terminal.blit(c, t, b)
end
end
end
terminal.setCursorPos(cx,cy)
end
-- draws an image centered at (x, y) or center screen
nfte.drawImageCenter = function(image, x, y, terminal)
terminal = terminal or term.current()
local scr_x, scr_y = terminal.getSize()
local imageX, imageY = nfte.getSize(image)
return nfte.drawImage(
image,
round(0.5 + (x and x or (scr_x/2)) - imageX/2),
round(0.5 + (y and y or (scr_y/2)) - imageY/2),
terminal
), round(0.5 + (x and x or (scr_x/2)) - imageX/2), round(0.5 + (y and y or (scr_y/2)) - imageY/2)
end
-- draws an image centered at (x, y) or center screen, with transparency
nfte.drawImageCenterTransparent = function(image, x, y, terminal)
terminal = terminal or term.current()
local scr_x, scr_y = terminal.getSize()
local imageX, imageY = getSize(image)
return nfte.drawImageTransparent(
image,
round(0.5 + (x and x or (scr_x/2)) - imageX/2),
round(0.5 + (y and y or (scr_y/2)) - imageY/2),
terminal
)
end
-- stretches an image so that its new height and width are (sx, sy).
-- if noRepeat, it will only draw one of each character for each pixel
-- in the original image, so as to not mess up text in images.
nfte.stretchImage = function(_image, sx, sy, noRepeat)
assert(checkValid(_image), "Invalid image.")
local output = {{},{},{}}
local image = deepCopy(_image)
if sx < 0 then image = flipX(image) end
if sy < 0 then image = flipY(image) end
sx, sy = math.abs(sx), math.abs(sy)
local imageX, imageY = nfte.getSize(image)
local tx, ty
if sx == 0 or sy == 0 then
for y = 1, math.max(sy, 1) do
output[1][y] = ""
output[2][y] = ""
output[3][y] = ""
end
return output
else
for y = 1, sy do
for x = 1, sx do
tx = round((x / sx) * imageX)
ty = math.ceil((y / sy) * imageY)
if not noRepeat then
output[1][y] = (output[1][y] or "")..image[1][ty]:sub(tx,tx)
else
output[1][y] = (output[1][y] or "").." "
end
output[2][y] = (output[2][y] or "")..image[2][ty]:sub(tx,tx)
output[3][y] = (output[3][y] or "")..image[3][ty]:sub(tx,tx)
end
end
if noRepeat then
for y = 1, imageY do
for x = 1, imageX do
if image[1][y]:sub(x,x) ~= " " then
tx = round(((x / imageX) * sx) - ((0.5 / imageX) * sx))
ty = round(((y / imageY) * sy) - ((0.5 / imageY) * sx))
output[1][ty] = stringWrite(output[1][ty], tx, image[1][y]:sub(x,x))
end
end
end
end
return output
end
end
local rotatePoint = function(x, y, angle, originX, originY)
return
round( (x-originX) * math.cos(angle) - (y-originY) * math.sin(angle) ) + originX,
round( (x-originX) * math.sin(angle) + (y-originY) * math.cos(angle) ) + originY
end
-- rotates an image around (originX, originY) or its center, by angle radians
nfte.rotateImage = function(image, angle, originX, originY)
assert(checkValid(image), "Invalid image.")
if imageX == 0 or imageY == 0 then
return image
end
local output = {{},{},{}}
local realOutput = {{},{},{}}
local tx, ty, corners
local imageX, imageY = nfte.getSize(image)
local originX, originY = originX or math.floor(imageX / 2), originY or math.floor(imageY / 2)
corners = {
{rotatePoint(1, 1, angle, originX, originY)},
{rotatePoint(imageX, 1, angle, originX, originY)},
{rotatePoint(1, imageY, angle, originX, originY)},
{rotatePoint(imageX, imageY, angle, originX, originY)},
}
local minX = math.min(corners[1][1], corners[2][1], corners[3][1], corners[4][1])
local maxX = math.max(corners[1][1], corners[2][1], corners[3][1], corners[4][1])
local minY = math.min(corners[1][2], corners[2][2], corners[3][2], corners[4][2])
local maxY = math.max(corners[1][2], corners[2][2], corners[3][2], corners[4][2])
for y = 1, (maxY - minY) + 1 do
output[1][y] = {}
output[2][y] = {}
output[3][y] = {}
for x = 1, (maxX - minX) + 1 do
tx, ty = rotatePoint(x + minX - 1, y + minY - 1, -angle, originX, originY)
output[1][y][x] = " "
output[2][y][x] = " "
output[3][y][x] = " "
if image[1][ty] then
if tx >= 1 and tx <= #image[1][ty] then
output[1][y][x] = image[1][ty]:sub(tx,tx)
output[2][y][x] = image[2][ty]:sub(tx,tx)
output[3][y][x] = image[3][ty]:sub(tx,tx)
end
end
end
end
for y = 1, #output[1] do
output[1][y] = table.concat(output[1][y])
output[2][y] = table.concat(output[2][y])
output[3][y] = table.concat(output[3][y])
end
return output, math.ceil(minX), math.ceil(minY)
end
local tWindow = lddterm.newWindow(scr_x, scr_y, 1, 1)
tWindow.blink = false
local tOriginal = term.redirect(tWindow.handle)
local program = tArg[1] or "/rom/programs/shell.lua"
local rendTimer = os.startTimer(0.05)
table.remove(tArg, 1)
parallel.waitForAny(function()
shell.run(program, table.unpack(tArg))
end, function()
local evt
local keysDown = {}
while true do
evt = {os.pullEvent()}
if evt[1] == "timer" and evt[2] == rendTimer then
lddterm.render()
rendTimer = os.startTimer(0.05)
elseif evt[1] == "key" then
keysDown[evt[2]] = true
if keysDown[keys.leftCtrl] and keysDown[keys.leftShift] and evt[2] == keys.backspace then
return
end
elseif evt[1] == "key_up" then
keysDown[evt[2]] = false
end
end
end)
term.setCursorBlink(false)
local fullScreenshot = lddterm.screenshot()
local screenshot
local screenshot_X, screenshot_Y = nfte.getSize(fullScreenshot)
term.setBackgroundColor(colors.black)
for i = screenshot_X, math.floor(math.sqrt(scr_x * 3)), -2 do
screenshot = nfte.stretchImage(fullScreenshot, i, i / (screenshot_X / screenshot_Y))
term.clear()
nfte.drawImageCenter(screenshot)
lddterm.render()
sleep(0.05)
end
local handX, handY = scr_x + 4, -5
for x = handX, math.floor(scr_x / 2) + 1, -2 do
term.clear()
nfte.drawImageCenter(screenshot)
nfte.drawImageTransparent(images.handOpen, handX, handY)
lddterm.render()
sleep(0.05)
handX = handX - 2.0
handY = handY + (scr_y / scr_x) * 2
end
handX, handY = math.floor(handX), math.floor(handY)
local anchorX, anchorY = handX, handY
local scrollX, scrollY = 0, 0
term.clear()
local _, imageX, imageY = nfte.drawImageCenter(screenshot)
nfte.drawImageTransparent(images.handClosed, handX, handY)
lddterm.render()
sleep(0.5)
for i = 1, 10 do
handX = handX + 0.5
handY = handY + 0.4
term.clear()
nfte.drawImage(screenshot, imageX + (handX - anchorX), imageY + (handY - anchorY))
nfte.drawImageTransparent(images.handClosed, handX, handY)
lddterm.render()
sleep(0.05)
end
sleep(0.4)
for i = 1, 10 do
handX = handX - (0.6 + (i / 8))
handY = handY - (0.1 + (i / 12))
if i >= 2 then
scrollX = scrollX + 1
end
term.clear()
nfte.drawImage(screenshot, scrollX + imageX + (handX - anchorX), scrollY + imageY + (handY - anchorY))
nfte.drawImageTransparent(images.handClosed, scrollX + handX, scrollY + handY)
lddterm.render()
sleep(0.05)
end
local imageYvel = -0.9
local imageRotate = 0
imageX = imageX + (handX - anchorX)
imageY = imageY + (handY - anchorY)
local rImage, rX, rY
for i = 1, 41 do
if i <= 5 then
handX = handX - 1
handY = handY - 0.8
end
term.clear()
rImage, rX, rY = nfte.rotateImage(screenshot, imageRotate)
nfte.drawImage(rImage, scrollX + imageX, scrollY + imageY)
nfte.drawImageTransparent(images.handOpen, scrollX + handX, scrollY + handY)
nfte.drawImageTransparent(images.trashCan, (scr_x / 2) - (177 - scrollX), scrollY + 32 + (scr_y - 19) / 2 + (scr_x - 51) / 10)
lddterm.render()
sleep(0.05)
imageRotate = imageRotate + 0.12
scrollX = scrollX + 4
if i < 20 then
scrollY = scrollY - 0.25
else
scrollY = scrollY - 0.8
end
imageX = imageX - 4
imageY = imageY + imageYvel
imageYvel = imageYvel + 0.07
end
sleep(0.5)
local scene = lddterm.screenshot()
for i = 1, 6 do
nfte.drawImage(scene, 1, 1)
nfte.drawImageTransparent(images.trashLid, (scr_x / 2) - (179 - scrollX), ((scr_y - 19) / 4) + i - 3)
lddterm.render()
sleep(0.05)
end
local lidAngle, rotLid = 0
for i = 1, 10 do
lidAngle = lidAngle + 0.0371
rotLid = nfte.rotateImage(images.trashLid, lidAngle)
nfte.drawImage(scene, 1, 1)
nfte.drawImageTransparent(rotLid, (scr_x / 2) - (179 - scrollX), 1 + ((scr_y - 19) / 4))
lddterm.render()
sleep(0.05)
end
sleep(0.5)
term.redirect(tOriginal)
term.setCursorPos(1, scr_y)