--- @type {[string]: any}
local out = {
    tileSize = arg[1]
}

local idx = ""
local cnt = 1

for i = 0, #arg - 1, 4 do
    idx = arg[i + 2]
    out[idx] = {}
    for x = tonumber(arg[i + 3]), tonumber(arg[i + 5]), tonumber(out.tileSize) do
        for y = arg[i + 4], arg[i + 6], out.tileSize do
            out[idx][idx .. cnt] = { x = x, y = y, w = out.tileSize, h = out.tileSize }
        end
    end
end

print(out)

-- command for test: luajit dev_utils/tile_generator.lua 32 grass 0 0 95 95 flower_grass 96 0 189 95