mirror of
https://github.com/LDDestroier/CC/
synced 2024-11-10 12:00:00 +00:00
316 lines
6.8 KiB
Lua
316 lines
6.8 KiB
Lua
-- pain2
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local scr_x, scr_y = term.getSize()
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local mx, my = scr_x/2, scr_y/2
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local keysDown = {}
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local miceDown = {}
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-- debug renderer is slower, but the normal one isn't functional yet
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local useDebugRenderer = true
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local canvas = {
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{{},{},{}}
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}
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local frame = 1
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local dot = 1
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local pain = {
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screenWidth = scr_x,
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screenHeight = scr_y,
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scrollX = 0,
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scrollY = 0,
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doRender = true,
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dots = {
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[0] = {
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" ",
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" ",
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" "
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},
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[1] = {
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" ",
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"f",
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"0"
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},
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[2] = {
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" ",
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"f",
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"e"
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},
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},
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tool = "pencil"
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}
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local control = {
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scrollUp = keys.up, -- decrease scrollY
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scrollDown = keys.down, -- increase scrollY
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scrollLeft = keys.left, -- decrease scrollX
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scrollRight = keys.right, -- increase scrollX
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moveMod = keys.leftShift, -- hold to move image instead of scrolling
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creepMod = keys.leftAlt, -- hold to only scroll/move one dot at a time
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toolSelect = keys.leftShift -- hold and push specific buttons to quick select tool
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}
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-- converts hex colors to colors api, and back
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local to_colors, to_blit = {
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[' '] = 0,
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['0'] = 1,
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['1'] = 2,
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['2'] = 4,
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['3'] = 8,
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['4'] = 16,
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['5'] = 32,
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['6'] = 64,
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['7'] = 128,
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['8'] = 256,
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['9'] = 512,
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['a'] = 1024,
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['b'] = 2048,
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['c'] = 4096,
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['d'] = 8192,
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['e'] = 16384,
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['f'] = 32768,
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}, {}
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for k,v in pairs(to_colors) do
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to_blit[v] = k
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end
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-- takes two coordinates, and returns every point between the two
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local getDotsInLine = function( startX, startY, endX, endY )
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local out = {}
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startX = math.floor(startX)
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startY = math.floor(startY)
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endX = math.floor(endX)
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endY = math.floor(endY)
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if startX == endX and startY == endY then
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out = {{x=startX,y=startY}}
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return out
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end
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local minX = math.min( startX, endX )
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if minX == startX then
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minY = startY
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maxX = endX
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maxY = endY
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else
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minY = endY
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maxX = startX
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maxY = startY
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end
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local xDiff = maxX - minX
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local yDiff = maxY - minY
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if xDiff > math.abs(yDiff) then
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local y = minY
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local dy = yDiff / xDiff
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for x=minX,maxX do
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out[#out+1] = {x=x,y=math.floor(y+0.5)}
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y = y + dy
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end
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else
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local x = minX
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local dx = xDiff / yDiff
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if maxY >= minY then
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for y=minY,maxY do
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out[#out+1] = {x=math.floor(x+0.5),y=y}
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x = x + dx
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end
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else
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for y=minY,maxY,-1 do
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out[#out+1] = {x=math.floor(x+0.5),y=y}
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x = x - dx
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end
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end
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end
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return out
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end
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-- places a dot on the canvas, predictably enough
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local placeDot = function(x, y, frame, dot)
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if not canvas[frame][1][y] then
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canvas[frame][1][y] = {}
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canvas[frame][2][y] = {}
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canvas[frame][3][y] = {}
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end
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canvas[frame][1][y][x] = dot[1]
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canvas[frame][2][y][x] = dot[2]
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canvas[frame][3][y][x] = dot[3]
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end
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-- used for tools that involve dragging
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local dragPos = {}
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-- every tool at your disposal
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local tools = {
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pencil = function(arg)
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if arg.event == "mouse_click" then
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if arg.button == 1 then
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placeDot(arg.sx, arg.sy, frame, arg.dot)
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elseif arg.button == 2 then
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placeDot(arg.sx, arg.sy, frame, {" "," "," "})
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end
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dragPos = {arg.sx, arg.sy}
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else
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if #dragPos == 0 then
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dragPos = {arg.sx, arg.sy}
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end
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local poses = getDotsInLine(arg.sx, arg.sy, dragPos[1], dragPos[2])
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for i = 1, #poses do
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if arg.button == 1 then
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placeDot(poses[i].x, poses[i].y, frame, arg.dot)
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elseif arg.button == 2 then
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placeDot(poses[i].x, poses[i].y, frame, {" "," "," "})
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end
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end
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dragPos = {arg.sx, arg.sy}
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end
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end,
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text = function(arg)
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term.setCursorPos(arg.x, arg.y)
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term.setTextColor(to_colors[arg.dot[2]])
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term.setBackgroundColor(to_colors[arg.dot[3]])
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local text = read()
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-- re-render every keypress, requires custom read function
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for i = 1, #text do
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placeDot(arg.sx + i - 1, arg.sy, frame, {text:sub(i,i), dot[2], dot[3]})
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end
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end
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}
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local render = function(x, y, width, height)
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local buffer = {{},{},{}}
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local cx, cy
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-- see, it wouldn't do if I just individually set the cursor position for every dot
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if useDebugRenderer then
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term.clear()
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local cx, cy
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for yy, line in pairs(canvas[frame][1]) do
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for xx, dot in pairs(canvas[frame][1][yy]) do
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cx = xx - pain.scrollX
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cy = yy - pain.scrollY
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if cx >= x and cx <= (x + width - 1) and cy >= y and cy <= (x + width - 1) then
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term.setCursorPos(cx, cy)
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term.blit(
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canvas[frame][1][yy][xx],
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canvas[frame][2][yy][xx],
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canvas[frame][3][yy][xx]
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)
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end
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end
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end
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else
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for yy = y, height do
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buffer[1][yy] = ""
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buffer[2][yy] = ""
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buffer[3][yy] = ""
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for xx = x, width do
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cx = xx - pain.scrollX
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cy = yy - pain.scrollY
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for c = 1, 3 do
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buffer[c][yy] = buffer[c][yy] .. canvas[frame][c][cy]:sub(cx,cx)
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end
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end
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end
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for yy = 0, height - 1 do
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for xx = 0, width - 1 do
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term.setCursorPos(x + xx, y + yy)
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term.blit(buffer[1][yy+1], buffer[2][yy+1], buffer[3][yy+1])
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end
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end
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end
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end
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local tryTool = function()
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for butt = 1, 3 do
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if miceDown[butt] and tools[pain.tool] then
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tools[pain.tool]({
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x = miceDown[butt][1],
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y = miceDown[butt][2],
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sx = miceDown[butt][1] + pain.scrollX,
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sy = miceDown[butt][2] + pain.scrollY,
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dot = pain.dots[dot],
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button = butt,
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event = miceDown[butt][3]
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})
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break
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end
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end
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end
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getInput = function()
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local evt
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while true do
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evt = {os.pullEvent()}
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if evt[1] == "mouse_click" or evt[1] == "mouse_drag" then
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miceDown[evt[2]] = {evt[3], evt[4], evt[1]}
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elseif evt[1] == "key" then
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keysDown[evt[2]] = true
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elseif evt[1] == "mouse_up" then
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miceDown[evt[2]] = false
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elseif evt[1] == "key_up" then
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keysDown[evt[2]] = false
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end
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tryTool()
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end
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end
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-- executes everything that doesn't run asynchronously
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main = function()
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while true do
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render(1, 1, scr_x, scr_y)
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-- handle scrolling
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if keysDown[control.scrollLeft] then
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pain.scrollX = pain.scrollX - 1
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end
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if keysDown[control.scrollRight] then
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pain.scrollX = pain.scrollX + 1
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end
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if keysDown[control.scrollUp] then
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pain.scrollY = pain.scrollY - 1
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end
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if keysDown[control.scrollDown] then
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pain.scrollY = pain.scrollY + 1
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end
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if keysDown[control.toolSelect] then
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-- dot palette selection
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if keysDown[keys.one] then
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dot = 1
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elseif keysDown[keys.two] then
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dot = 2
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elseif keysDown[keys.three] then
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dot = 3
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elseif keysDown[keys.four] then
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dot = 4
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elseif keysDown[keys.five] then
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dot = 5
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elseif keysDown[keys.six] then
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dot = 6
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elseif keysDown[keys.seven] then
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dot = 7
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elseif keysDown[keys.eight] then
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dot = 8
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elseif keysDown[keys.nine] then
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dot = 9
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elseif keysDown[keys.zero] then
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dot = 0
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end
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-- tool selection
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if keysDown[keys.p] then
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pain.tool = "pencil"
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elseif keysDown[keys.t] then
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pain.tool = "text"
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end
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end
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sleep(0.05)
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end
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end
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term.clear()
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parallel.waitForAny( main, getInput )
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