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mirror of https://github.com/LDDestroier/CC/ synced 2024-11-08 19:09:58 +00:00
ldd-CC/windont/windont.lua
2019-12-25 02:29:43 -05:00

494 lines
16 KiB
Lua

-- Windon't
-- enhanced window API by LDDestroier
-- intended for general use within all me new programs
--
-- Unique features:
-- + Transparency within windows
-- + Built-in window layering
-- stores all local values to make drag-and-dropping into other programs less conflict-prone
local lval = {
to_blit = {},
to_colors = {},
expect = function(value, default, valueType)
if value == nil or (valueType and type(value) ~= valueType) then
return default
else
return value
end
end,
getTime = function()
return 24 * os.day() + os.time()
end,
-- check if space on screenBuffer is transparent
check = function(buff, x, y, blitLayer)
if buff[blitLayer or 1][y] then
return (blitLayer or buff[1][y][x]) and (
(not buff[blitLayer or 2][y][x] or buff[blitLayer or 2][y][x] ~= "-") or
(not buff[blitLayer or 3][y][x] or buff[blitLayer or 3][y][x] ~= "-")
) and (
not (buff[1][y][x] == " " and buff[3][y][x] == "-")
)
end
end
}
local table_insert = table.insert
local math_floor = math.floor
for i = 1, 16 do
lval.to_blit[2 ^ (i - 1)] = ("0123456789abcdef"):sub(i, i)
lval.to_colors[("0123456789abcdef"):sub(i, i)] = 2 ^ (i - 1)
end
lval.to_blit[0], lval.to_colors["-"] = "-", 0
local windont = {
doClearScreen = false, -- if true, will clear the screen during render
default = {
baseTerm = term.current(), -- default base terminal for all windows
textColor = "0", -- default text color (what " " corresponds to in term.blit's second argument)
backColor = "f", -- default background color (what " " corresponds to in term.blit's third argument)
blink = true,
visible = true,
alwaysRender = true, -- if true, new windows will always render if they are written to
},
info = {
BLIT_CALLS = 0, -- amount of term.blit calls during the last render
LAST_RENDER_TIME = 0, -- last time in which render was called
LAST_RENDER_AMOUNT = 0, -- amount of windows drawn during last render
LAST_RENDER_WINDOWS = {}, -- table of the last window objects that were rendered
}
}
-- draws one or more windon't objects
-- should not draw over any terminal space that isn't occupied by a window
windont.render = function(onlyX1, onlyX2, onlyY, ...)
local windows = {...}
local bT
local check = lval.check
local screenBuffer = {{}, {}, {}}
local scr_x, scr_y
local blitList = {} -- list of blit commands per line
local c = 1 -- current blitList entry
if type(onlyY) == "table" then
table_insert(windows, 1, onlyY)
onlyY = nil
end
if type(onlyX2) == "table" then
table_insert(windows, 1, onlyX2)
onlyX2 = nil
end
if type(onlyX1) == "table" then
table_insert(windows, 1, onlyX1)
onlyX1 = nil
end
local cTime = lval.getTime()
local AMNT_OF_BLITS = 0 -- how many blit calls are there?
local cx, cy -- each window's absolute X and Y
local char_cx, text_cx, back_cx -- each window's transformed absolute X's in table form
local char_cy, text_cy, back_cy -- each window's transformed absolute X's in table form
local buffer -- each window's buffer
local newChar, newText, newBack, newBuff -- if the transformation function declares a new dot, this is it
local baseTerms = {}
for i = 1, #windows do
baseTerms[windows[i].meta.baseTerm] = baseTerms[windows[i].meta.baseTerm] or {}
baseTerms[windows[i].meta.baseTerm][i] = true
end
for bT, bT_list in pairs(baseTerms) do
if bT == output then
bT = output.meta.baseTerm
end
scr_x, scr_y = bT.getSize()
-- try entire buffer transformations
for i = #windows, 1, -1 do
if bT_list[i] then
if windows[i].meta.metaTransformation then
-- metaTransformation functions needn't return a value
windows[i].meta.metaTransformation(windows[i].meta)
end
end
end
for y = onlyY or 1, onlyY or scr_y do
screenBuffer[1][y] = {}
screenBuffer[2][y] = {}
screenBuffer[3][y] = {}
blitList = {}
c = 1
for x = onlyX1 or 1, math.min(scr_x, onlyX2 or scr_x) do
for i = #windows, 1, -1 do
if bT_list[i] then
newChar, newText, newBack = nil
if windows[i].meta.visible then
buffer = windows[i].meta.buffer
cx = 1 + x + -windows[i].meta.x
cy = 1 + y + -windows[i].meta.y
char_cx, text_cx, back_cx = cx, cx, cx
char_cy, text_cy, back_cy = cy, cy, cy
-- try char transformation
if windows[i].meta.charTransformation then
char_cx, char_cy, newChar = windows[i].meta.charTransformation(cx, cy, windows[i].meta)
if char_cx ~= math_floor(char_cx) or char_cy ~= math_floor(char_cy) then
newChar = " "
end
char_cx = math_floor(char_cx)
char_cy = math_floor(char_cy)
end
-- try text transformation
if windows[i].meta.textTransformation then
text_cx, text_cy, newText = windows[i].meta.textTransformation(cx, cy, windows[i].meta)
text_cx = math_floor(text_cx)
text_cy = math_floor(text_cy)
end
-- try back transformation
if windows[i].meta.backTransformation then
back_cx, back_cy, newBack = windows[i].meta.backTransformation(cx, cy, windows[i].meta)
back_cx = math_floor(back_cx)
back_cy = math_floor(back_cy)
end
if check(buffer, char_cx, char_cy) or check(buffer, text_cx, text_cy) or check(buffer, back_cx, back_cy) then
screenBuffer[1][y][x] = newChar or check(buffer, char_cx, char_cy ) and (buffer[1][char_cy][char_cx]) or screenBuffer[1][y][x]
screenBuffer[2][y][x] = newText or check(buffer, text_cx, text_cy, 2) and (buffer[2][text_cy][text_cx]) or screenBuffer[3][y][x]
screenBuffer[3][y][x] = newBack or check(buffer, back_cx, back_cy, 3) and (buffer[3][back_cy][back_cx]) or screenBuffer[3][y][x]
end
end
end
end
if windont.doClearScreen then
screenBuffer[1][y][x] = screenBuffer[1][y][x] or " "
end
screenBuffer[2][y][x] = screenBuffer[2][y][x] or windont.default.backColor -- intentionally not the default text color
screenBuffer[3][y][x] = screenBuffer[3][y][x] or windont.default.backColor
if check(screenBuffer, x, y) then
if check(screenBuffer, -1 + x, y) then
blitList[c][1] = blitList[c][1] .. screenBuffer[1][y][x]
blitList[c][2] = blitList[c][2] .. screenBuffer[2][y][x]
blitList[c][3] = blitList[c][3] .. screenBuffer[3][y][x]
else
c = x
blitList[c] = {
screenBuffer[1][y][x],
screenBuffer[2][y][x],
screenBuffer[3][y][x]
}
end
end
end
for k,v in pairs(blitList) do
bT.setCursorPos(k, y)
bT.blit(v[1], v[2], v[3])
AMNT_OF_BLITS = 1 + AMNT_OF_BLITS
end
end
end
windont.info.LAST_RENDER_AMOUNT = #windows
windont.info.BLIT_CALLS = AMNT_OF_BLITS
windont.info.LAST_RENDER_WINDOWS = windows
windont.info.LAST_RENDER_TIME = cTime
windont.info.LAST_RENDER_DURATION = lval.getTime() + -cTime
end
-- creates a new windon't object that can be manipulated the same as a regular window
windont.newWindow = function( x, y, width, height, misc )
-- check argument types
assert(type(x) == "number", "argument #1 must be number, got " .. type(x))
assert(type(y) == "number", "argument #2 must be number, got " .. type(y))
assert(type(width) == "number", "argument #3 must be number, got " .. type(width))
assert(type(height) == "number", "argument #4 must be number, got " .. type(height))
-- check argument validity
assert(x > 0, "x position must be above zero")
assert(y > 0, "y position must be above zero")
assert(width > 0, "width must be above zero")
assert(height > 0, "height must be above zero")
local output = {}
misc = misc or {}
local meta = {
x = lval.expect(x, 1), -- x position of the window
y = lval.expect(y, 1), -- y position of the window
width = width, -- width of the buffer
height = height, -- height of the buffer
buffer = lval.expect(misc.buffer, {}, "table"), -- stores contents of terminal in buffer[1][y][x] format
renderBuddies = lval.expect(misc.renderBuddies, {}, "table"), -- renders any other window objects stored here after rendering here
baseTerm = lval.expect(misc.baseTerm, windont.default.baseTerm, "table"), -- base terminal for which this window draws on
isColor = lval.expect(misc.isColor, term.isColor(), "boolean"), -- if true, then it's an advanced computer
charTransformation = lval.expect(misc.charTransformation, nil, "function"), -- function that transforms the characters of the window
textTransformation = lval.expect(misc.textTransformation, nil, "function"), -- function that transforms the text colors of the window
backTransformation = lval.expect(misc.backTransformation, nil, "function"), -- function that transforms the BG colors of the window
metaTransformation = lval.expect(misc.miscTransformation, nil, "function"), -- function that transforms the whole output.meta function
cursorX = lval.expect(misc.cursorX, 1),
cursorY = lval.expect(misc.cursorY, 1),
textColor = lval.expect(misc.textColor, windont.default.textColor, "string"), -- current text color
backColor = lval.expect(misc.backColor, windont.default.backColor, "string"), -- current background color
blink = lval.expect(misc.blink, windont.default.blink, "boolean"), -- cursor blink
alwaysRender = lval.expect(misc.alwaysRender, windont.default.alwaysRender, "boolean"), -- render after every terminal operation
visible = lval.expect(misc.visible, windont.default.visible, "boolean"), -- if false, don't render ever
-- make a new buffer (optionally uses an existing buffer as a reference)
newBuffer = function(width, height, char, text, back, drawAtop)
local output = drawAtop or {{}, {}, {}}
for y = 1, height do
output[1][y] = output[1][y] or {}
output[2][y] = output[2][y] or {}
output[3][y] = output[3][y] or {}
for x = 1, width do
output[1][y][x] = output[1][y][x] or (char or " ")
output[2][y][x] = output[2][y][x] or (text or "0")
output[3][y][x] = output[3][y][x] or (back or "f")
end
end
return output
end
}
bT = meta.baseTerm
-- initialize the buffer
meta.buffer = meta.newBuffer(meta.width, meta.height, " ", meta.textColor, meta.backColor)
output.meta = meta
output.write = function(text)
assert(type(text) == "string" or type(text) == "number", "expected string, got " .. type(text))
local initX = meta.cursorX
for i = 1, #tostring(text) do
if meta.cursorX >= 1 and meta.cursorX <= meta.width and meta.cursorY >= 1 and meta.cursorY <= meta.height then
if not meta.buffer[1] then
error("what the fuck happened")
end
meta.buffer[1][meta.cursorY][meta.cursorX] = tostring(text):sub(i,i)
meta.buffer[2][meta.cursorY][meta.cursorX] = meta.textColor
meta.buffer[3][meta.cursorY][meta.cursorX] = meta.backColor
end
meta.cursorX = meta.cursorX + 1
end
if meta.alwaysRender then
output.redraw(
-1 + meta.x + initX,
-1 + meta.x + meta.cursorX,
-1 + meta.y + meta.cursorY
)
end
end
output.blit = function(char, text, back)
assert(type(char) == "string" and type(text) == "string" and type(back) == "string", "all arguments must be strings")
assert(#char == #text and #text == #back, "arguments must be same length")
local initX = meta.cursorX
for i = 1, #char do
if meta.cursorX >= 1 and meta.cursorX <= meta.width and meta.cursorY >= 1 and meta.cursorY <= meta.height then
meta.buffer[1][meta.cursorY][meta.cursorX] = char:sub(i,i)
meta.buffer[2][meta.cursorY][meta.cursorX] = text:sub(i,i) == " " and windont.default.textColor or text:sub(i,i)
meta.buffer[3][meta.cursorY][meta.cursorX] = back:sub(i,i) == " " and windont.default.backColor or back:sub(i,i)
meta.cursorX = meta.cursorX + 1
end
end
if meta.alwaysRender then
output.redraw(
-1 + meta.x + initX,
-1 + meta.x + meta.cursorX,
-1 + meta.y + meta.cursorY
)
end
end
output.setCursorPos = function(x, y)
assert(type(x) == "number", "argument #1 must be number, got " .. type(x))
assert(type(y) == "number", "argument #2 must be number, got " .. type(y))
meta.cursorX, meta.cursorY = x, y
if meta.alwaysRender then
if bT == output then
bT = output.meta.baseTerm
end
bT.setCursorPos(
-1 + meta.x + meta.cursorX,
-1 + meta.y + meta.cursorY
)
end
end
output.getCursorPos = function()
return meta.cursorX, meta.cursorY
end
output.setTextColor = function(color)
if lval.to_blit[color] then
meta.textColor = lval.to_blit[color]
else
error("Invalid color (got " .. color .. ")")
end
end
output.setTextColour = output.setTextColor
output.setBackgroundColor = function(color)
if lval.to_blit[color] then
meta.backColor = lval.to_blit[color]
else
error("Invalid color (got " .. color .. ")")
end
end
output.setBackgroundColour = output.setBackgroundColor
output.getTextColor = function()
return lval.to_colors[meta.textColor]
end
output.getTextColour = output.getTextColor
output.getBackgroundColor = function()
return lval.to_colors[meta.backColor]
end
output.getBackgroundColour = output.getBackgroundColor
output.setVisible = function(visible)
assert(type(visible) == "number", "bad argument #1 (expected boolean, got " .. type(visible) .. ")")
meta.visible = visible and true or false
end
output.clear = function()
meta.buffer = meta.newBuffer(meta.width, meta.height, " ", meta.textColor, meta.backColor)
if meta.alwaysRender then
output.redraw()
end
end
output.clearLine = function()
meta.buffer[1][meta.cursorY] = nil
meta.buffer[2][meta.cursorY] = nil
meta.buffer[3][meta.cursorY] = nil
meta.buffer = meta.newBuffer(meta.width, meta.height, " ", meta.textColor, meta.backColor, meta.buffer)
if meta.alwaysRender then
bT.setCursorPos(meta.x, -1 + meta.y + meta.cursorY)
bT.blit(
(" "):rep(meta.width),
(meta.textColor):rep(meta.width),
(meta.backColor):rep(meta.width)
)
end
end
output.getLine = function(y)
assert(type(y) == "number", "bad argument #1 (expected number, got " .. type(y) .. ")")
assert(meta.buffer[1][y], "Line is out of range.")
return table.concat(meta.buffer[1][y]), table.concat(meta.buffer[2][y]), table.concat(meta.buffer[3][y])
end
output.scroll = function(amplitude)
if math.abs(amplitude) < meta.height then -- minor optimization
local blank = {{}, {}, {}}
for x = 1, meta.width do
blank[1][x] = " "
blank[2][x] = meta.textColor
blank[3][x] = meta.backColor
end
for y = 1, meta.height do
meta.buffer[1][y] = meta.buffer[1][y + amplitude] or blank[1]
meta.buffer[2][y] = meta.buffer[2][y + amplitude] or blank[2]
meta.buffer[3][y] = meta.buffer[3][y + amplitude] or blank[3]
end
else
meta.buffer = meta.newBuffer(meta.width, meta.height, " ", meta.textColor, meta.backColor)
end
if meta.alwaysRender then
if math_floor(amplitude) ~= 0 then
output.redraw()
end
end
end
output.getSize = function()
return width, height
end
output.isColor = function()
return meta.isColor
end
output.isColour = output.isColor
output.reposition = function(x, y, width, height)
assert(type(x) == "number", "bad argument #1 (expected number, got " .. type(x) .. ")")
assert(type(y) == "number", "bad argument #2 (expected number, got " .. type(y) .. ")")
meta.x = math_floor(x)
meta.y = math_floor(y)
if width then
assert(type(width) == "number", "bad argument #3 (expected number, got " .. type(width) .. ")")
assert(type(height) == "number", "bad argument #4 (expected number, got " .. type(height) .. ")")
meta.width = width
meta.height = height
meta.buffer = meta.newBuffer(meta.width, meta.height, " ", meta.textColor, meta.backColor, meta.buffer)
end
if meta.alwaysRender then
output.redraw()
end
end
output.restoreCursor = function()
bT.setCursorPos(
math.max(0, -1 + meta.x + meta.cursorX),
math.max(0, -1 + meta.y + meta.cursorY)
)
bT.setCursorBlink(meta.blink)
end
output.getPosition = function()
return meta.x, meta.y
end
output.setCursorBlink = function(blink)
meta.blink = blink and true or false
end
output.getCursorBlink = function(blink)
return meta.blink
end
output.setPaletteColor = bT.setPaletteColor
output.setPaletteColour = bT.setPaletteColour
output.getPaletteColor = bT.getPaletteColor
output.getPaletteColour = bT.getPaletteColour
output.redraw = function(x1, x2, y)
if #meta.renderBuddies > 0 then
windont.render(x1, x2, y, output, table.unpack(meta.renderBuddies))
else
windont.render(x1, x2, y, output)
end
output.restoreCursor()
end
if meta.alwaysRender then
output.redraw()
end
return output
end
return windont