starting to load/save

[?]

May 15, 2022, 9:00 PM

YKRF5V3ZZQIQ3UGAFYTQT5PUQVHCP2VHFDX77EY2C3X543HUDYKQC

Dependencies

[2] SNDZOK6Q slightly less strange now that we have the same two ways to move points as any other operation
[3] JCSLDGAH beginnings of support for multiple shapes
[4] 2C7CTIQY make space for multiple kinds of width
[5] IZZVOCLB confirm that we have access to all of the love API
[6] 2KRK3OBV don't rely on defaults
[7] OTIBCAUJ love2d scaffold
[8] GCUARQ2G bugfix: clipping in line and manhattan mode
[*] FMQ74DP3 new mode: circle

Change contents

edit in main.lua at line 51

[3.21]

[3.47]

filename = nil
replacement in main.lua at line 54

[3.48]→[3.48:69](∅→∅)

function love.load()

[3.48]

[3.69]

function love.load(arg)
if #arg > 0 then
filename = arg[1]
lines = load_from_disk(filename)
end
replacement in main.lua at line 168

[2.301]→[2.301:318](∅→∅),[2.318]→[3.1626:1650](∅→∅),[3.1626]→[3.1626:1650](∅→∅)

return
end
if lines.current then

[2.301]

[3.1650]

elseif lines.current then
edit in main.lua at line 221

[3.2109]

[3.2109]

save_to_disk(lines, filename)
edit in main.lua at line 760

[10.1482]

function load_from_disk(filename)
local result = {}
local infile = io.open(filename)
if infile then
while true do
local line = infile:read()
if line == nil then break end
if line == '```lines' then -- inflexible with whitespace since these files are always autogenerated
table.insert(result, load_drawing(infile))
else
table.insert(result, line)
end
end
end
return result
end

function save_to_disk(lines, filename)
local outfile = io.open(filename, 'w')
for _,line in ipairs(lines) do
if type(line) == 'table' then
store_drawing(outfile, line)
else
outfile:write(line..'\n')
end
end
end

json = require 'json'
function load_drawing(infile)
local drawing = {h=256/2, points={}, shapes={}, pending={}}
while true do
local line = infile:read()
assert(line)
if line == '```' then break end
local shape = json.decode(line)
if shape.mode == 'line' then
shape.p1 = insert_point(drawing.points, shape.p1.x, shape.p1.y)
shape.p2 = insert_point(drawing.points, shape.p2.x, shape.p2.y)
end
table.insert(drawing.shapes, shape)
end
return drawing
end

function store_drawing(outfile, drawing)
outfile:write('```lines\n')
for _,shape in ipairs(drawing.shapes) do
if shape.mode == 'line' then
local line = json.encode({mode=shape.mode, p1=drawing.points[shape.p1], p2=drawing.points[shape.p2]})
outfile:write(line..'\n')
end
end
outfile:write('```\n')
end