add color tools for minetestmapper
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tools/colors.txt
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tools/colors.txt
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Miroslav Bendík <miroslav.bendik@gmail.com>
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ShadowNinja <shadowninja@minetest.net>
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sfan5 <sfan5@live.de>
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kno10 <erich.schubert@gmail.com>
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Copyright (c) 2013-2014, Miroslav Bendík and various contributors (see AUTHORS)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Customized version of the minetestmapper utilities for voxelibre.
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This is *not* the full minetestmapper, just the mod + script to generate colors.txt
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Original version:
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https://github.com/minetest/minetestmapper/tree/master/util/
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To use minetestmapper, first install minetestmapper (e.g., "apt install minetestmapper").
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Example call:
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```
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minetestmapper -i worlds/myworld --colors games/voxelibre/tools/colors.txt --drawalpha -o /tmp/map.png
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```
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local function get_tile(tiles, n)
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local tile = tiles[n]
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if type(tile) == 'table' then
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return tile.name or tile.image
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end
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return tile
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end
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local function pairs_s(dict)
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local keys = {}
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for k in pairs(dict) do
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keys[#keys+1] = k
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end
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table.sort(keys)
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return ipairs(keys)
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end
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minetest.register_chatcommand("dumpnodes", {
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description = "Dump node and texture list for use with minetestmapper",
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func = function()
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local ntbl = {}
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for _, nn in pairs_s(minetest.registered_nodes) do
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local prefix, name = nn:match('(.*):(.*)')
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if prefix == nil or name == nil then
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print("ignored(1): " .. nn)
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else
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if ntbl[prefix] == nil then
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ntbl[prefix] = {}
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end
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ntbl[prefix][name] = true
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end
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end
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local out, err = io.open(minetest.get_worldpath() .. "/nodes.txt", 'wb')
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if not out then
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return true, err
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end
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local n = 0
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for _, prefix in pairs_s(ntbl) do
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out:write('# ' .. prefix .. '\n')
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for _, name in pairs_s(ntbl[prefix]) do
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local nn = prefix .. ":" .. name
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local nd = minetest.registered_nodes[nn]
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local tiles = nd.tiles or nd.tile_images
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if tiles == nil or nd.drawtype == 'airlike' then
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print("ignored(2): " .. nn)
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else
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local tex = get_tile(tiles, 1)
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tex = (tex .. '^'):match('%(*(.-)%)*^') -- strip modifiers
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if tex:find("[combine", 1, true) then
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tex = tex:match('.-=([^:]-)') -- extract first texture
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end
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local opts = ""
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if nd.paramtype2 and nd.paramtype2:sub(1,5) == "color" and nd.palette ~= "" then
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opts = " " .. nd.paramtype2 .. " " .. nd.palette
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end
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out:write(nn .. ' ' .. tex .. opts .. '\n')
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n = n + 1
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end
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end
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out:write('\n')
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end
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out:close()
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return true, n .. " nodes dumped."
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end,
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})
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name = dumpnodes
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description = minetestmapper development mod (node dumper)
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#!/usr/bin/env python3
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import sys
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import os.path
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import getopt
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import re
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from math import sqrt
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try:
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from PIL import Image
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except:
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print("Could not load image routines, install PIL ('pillow' on pypi)!", file=sys.stderr)
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exit(1)
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############
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############
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# Instructions for generating a colors.txt file for custom games and/or mods:
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# 1) Add the dumpnodes mod to a Minetest world with the chosen game and mods enabled.
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# 2) Join ingame and run the /dumpnodes chat command.
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# 3) Run this script and poin it to the installation path of the game using -g,
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# the path(s) where mods are stored using -m and the nodes.txt in your world folder.
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# Example command line:
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# ./util/generate_colorstxt.py --game /usr/share/minetest/games/minetest_game \
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# -m ~/.minetest/mods ~/.minetest/worlds/my_world/nodes.txt
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# 4) Copy the resulting colors.txt file to your world folder or to any other places
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# and use it with minetestmapper's --colors option.
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###########
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###########
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# minimal sed syntax, s|match|replace| and /match/d supported
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REPLACEMENTS = [
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# Delete some nodes that are usually hidden
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r'/^fireflies:firefly /d',
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r'/^butterflies:butterfly_/d',
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# Nicer colors for water and lava
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r's/^(default:(river_)?water_(flowing|source)) [0-9 ]+$/\1 39 66 106 128 224/',
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r's/^(default:lava_(flowing|source)) [0-9 ]+$/\1 255 100 0/',
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r's/^(mclx?_core:(river_)?water_(flowing|source)) [0-9 ]+$/\1 35 66 128 224 128/',
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r's/^(mcl_core:lava_(flowing|source)) [0-9 ]+$/\1 230 90 0/',
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# Transparency for glass nodes and panes
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r's/^(default:.*glass) (\d+ \d+ \d+)( \d+)*$/\1 \2 64 16/',
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r's/^(doors:.*glass[^ ]*) (\d+ \d+ \d+)( \d+)*$/\1 \2 64 16/',
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r's/^(mcl_core:.*glass[^ ]*) (\d+ \d+ \d+)( \d+)*$/\1 \2 64 16/',
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r's/^(xpanes:.*(pane|bar)[^ ]*) (\d+ \d+ \d+)( \d+)*$/\1 \3 64 16/',
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r's/^(mcl_core:.*leaves(?:_orphan)?) (\d+ \d+ \d+)( \d+)*$/\1 \2/', # no alpha
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r's/^(mcl_core:.*ice(?:_\d+)?) (\d+ \d+ \d+)( \d+)*$/\1 \2/', # no alpha
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r's/^(mcl_core:snow) (\d+ \d+ \d+)( \d+)*$/\1 \2 223 31/', # almost no alpha
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]
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def usage():
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print("Usage: generate_colorstxt.py [options] [input file] [output file]")
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print("If not specified the input file defaults to ./nodes.txt and the output file to ./colors.txt")
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print(" -g / --game <folder>\t\tSet path to the game (for textures), required")
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print(" -m / --mods <folder>\t\tAdd search path for mod textures")
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print(" --replace <file>\t\tLoad replacements from file (ADVANCED)")
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def collect_files(path):
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for dirpath, dirnames, filenames in os.walk(path):
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for f in filenames:
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if not f in textures:
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textures[f] = os.path.join(dirpath, f)
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def average_color(filename, color2):
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inp = Image.open(filename).convert('RGBA')
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data = inp.load()
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c, w = [0, 0, 0], 0
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for y in range(inp.size[0]):
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for x in range(inp.size[1]):
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px = data[y, x]
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a = px[3] / 255
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if a == 0: continue
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c[0] = c[0] + px[0] * a
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c[1] = c[1] + px[1] * a
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c[2] = c[2] + px[2] * a
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w = w + a
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if w == 0:
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print(f"didn't find color for '{os.path.basename(filename)}'", file=sys.stderr)
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return "0 0 0"
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c0, c1, c2 = c[0] / w, c[1] / w, c[2] / w
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if color2: # param2 blending
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c0, c1, c2 = c0 * color2[0] / 255., c1 * color2[1] / 255., c2 * color2[2] / 255.
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# for alpha, find maximum alpha in chunks to account for complex textures
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a = 0
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for y2 in range(0,inp.size[0],8):
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for x2 in range(0,inp.size[1],8):
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a2, n = 0, 0
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for y in range(y2, min(y2+16,inp.size[0])):
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for x in range(x2, min(x2+16,inp.size[1])):
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a2 = a2 + data[y,x][3]
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n = n + 1
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a2 = a2 / n
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a = max(a, a2)
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if a > 0 and a < 190:
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return "%d %d %d %d" % (c0, c1, c2, a)
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return "%d %d %d" % (c0, c1, c2)
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def get_param2_color(filename, param2):
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if not filename: return None
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inp = Image.open(filename).convert('RGBA')
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data = inp.load()
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x, y = param2 % inp.size[0], param2 // inp.size[0]
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col = data[y, x]
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return col[0], col[1], col[2] # copy
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def apply_sed(line, exprs):
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for expr in exprs:
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if expr[0] == '/':
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if not expr.endswith("/d"): raise ValueError()
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if re.search(expr[1:-2], line):
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return ''
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elif expr[0] == 's':
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expr = expr.split(expr[1])
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if len(expr) != 4 or expr[3] != '': raise ValueError()
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line = re.sub(expr[1], expr[2], line)
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else:
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raise ValueError()
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return line
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#
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try:
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opts, args = getopt.getopt(sys.argv[1:], "hg:m:", ["help", "game=", "mods=", "replace="])
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except getopt.GetoptError as e:
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print(str(e))
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exit(1)
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if ('-h', '') in opts or ('--help', '') in opts:
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usage()
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exit(0)
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input_file = "./nodes.txt"
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output_file = "./colors.txt"
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texturepaths = []
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try:
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gamepath = next(o[1] for o in opts if o[0] in ('-g', '--game'))
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if not os.path.isdir(os.path.join(gamepath, "mods")):
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print(f"'{gamepath}' doesn't exist or does not contain a game.", file=sys.stderr)
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exit(1)
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texturepaths.append(gamepath)
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except StopIteration:
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print("No game path set but one is required. (see --help)", file=sys.stderr)
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exit(1)
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try:
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tmp = next(o[1] for o in opts if o[0] == "--replace")
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REPLACEMENTS.clear()
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with open(tmp, 'r') as f:
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for line in f:
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if not line or line[0] == '#': continue
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REPLACEMENTS.append(line.strip())
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except StopIteration:
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pass
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for o in opts:
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if o[0] not in ('-m', '--mods'): continue
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if not os.path.isdir(o[1]):
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print(f"Given path '{o[1]}' does not exist.'", file=sys.stderr)
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exit(1)
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texturepaths.append(o[1])
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if len(args) > 2:
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print("Too many arguments.", file=sys.stderr)
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exit(1)
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if len(args) > 1:
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output_file = args[1]
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if len(args) > 0:
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input_file = args[0]
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if not os.path.exists(input_file) or os.path.isdir(input_file):
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print(f"Input file '{input_file}' does not exist.", file=sys.stderr)
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exit(1)
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#
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print(f"Collecting textures from {len(texturepaths)} path(s)... ", end="", flush=True)
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textures = {}
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for path in texturepaths:
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collect_files(path)
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print("done", len(textures), "files")
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print("Processing nodes...")
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fin = open(input_file, 'r')
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fout = open(output_file, 'w')
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n = 0
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for line in fin:
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line = line.rstrip('\r\n')
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if not line or line[0] == '#':
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fout.write(line + '\n')
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continue
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line = line.split(" ")
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node, tex = line[0], line[1]
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if not tex or tex == "blank.png":
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continue
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if tex not in textures:
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print(f"skip {node} texture {tex} not found")
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continue
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# TODO: full param2 support
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color2 = None
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if len(line) > 3 and line[2].startswith("color"):
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color2 = get_param2_color(textures.get(line[3]), 0)
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color = average_color(textures[tex], color2)
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line = f"{node} {color}"
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#print(f"ok {node}")
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line = apply_sed(line, REPLACEMENTS)
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if line:
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fout.write(line + '\n')
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n += 1
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fin.close()
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fout.close()
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print(f"Done, {n} entries written.")
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