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2024-01-31T22:37:04Z

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===== This LUA script file needs to be placed in Aseprite's "scripts" folder. =====
-- export tilemap.lua
-- Copyright (C) 2022 Daniel Tremblay
--
-- This file is released under the terms of the MIT license.

local spr = app.activeSprite
local pc = app.pixelColor
if not spr then return print "No active sprite" end

if ColorMode.TILEMAP == nil then ColorMode.TILEMAP = 4 end
assert(ColorMode.TILEMAP == 4)

local output_folder = app.fs.filePath(spr.filename)

local function write_foenix_data(filename, data)
local file = io.open(filename, "wb")
local str = string.char(table.unpack(data))
file:write(str)
file:close()
end

local function export_cel(cel)
local t = {
frame=cel.frameNumber-1,
bounds={ x=cel.bounds.x,
y=cel.bounds.y,
width=cel.bounds.width,
height=cel.bounds.height }
}

if cel.image.colorMode == ColorMode.TILEMAP then
local tilemap = cel.image
-- save tilemap
t.tilemap = { width=tilemap.width,
height=tilemap.height,
tiles={} }
for it in tilemap:pixels() do
table.insert(t.tilemap.tiles, pc.tileI(it()))
end
else
-- save regular cel
image_n = image_n + 1
local imageFn = fs.joinPath(output_folder, "image" .. image_n .. ".png")
cel.image:saveAs(imageFn)
t.image = imageFn
end

fill_user_data(t, cel)
return t
end

----------------------------------------------------------------------
-- Creates output folder
-- fs.makeDirectory(output_folder) -- don't!!

----------------------------------------------------------------------
-- Write /sprite.json file in the output folder

local tilemapFile = app.fs.joinPath(output_folder, "tilemap.tlm")

local data = {}
-- add a tile because Vicky II requires it
table.insert(data,0)
table.insert(data,0)
-- iterate over each layer
for _,layer in ipairs(spr.layers) do
-- iterate over each cel
for _,cel in ipairs(layer.cels) do
local tilemap = cel.image
for it in tilemap:pixels() do
table.insert(data, pc.tileI(it()))
table.insert(data, 0)
end
end
--data[y*grid.width*2 + x*2]=grid.tileIndex
end

--for i=1,1000 do data[i] = math.random(0,255) end

write_foenix_data(tilemapFile, data)

Export Aseprite Tilemap - Revision history

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