136 lines
3.5 KiB
Plaintext
136 lines
3.5 KiB
Plaintext
==FILE== mods/dumpnodes/init.lua
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local function nd_get_tiles(nd)
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if nd.tiles then
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return nd.tiles
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elseif nd.tile_images then
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return nd.tile_images
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end
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return nil
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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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table.insert(keys, 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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params = "",
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description = "",
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func = function(plname, param)
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local n = 0
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local ntbl = {}
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for _, nn in pairs_s(minetest.registered_nodes) do
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local nd = minetest.registered_nodes[nn]
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local prefix, name = nn:match('(.*):(.*)')
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if prefix == nil or name == nil or prefix == '' or name == '' 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] = nd
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end
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end
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local out, err = io.open('nodes.txt', 'wb')
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if not out then
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return true, "io.open(): " .. err
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end
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for _, prefix in pairs_s(ntbl) do
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local nodes = ntbl[prefix]
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out:write('# ' .. prefix .. '\n')
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for _, name in pairs_s(nodes) do
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local nd = nodes[name]
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if nd.drawtype ~= 'airlike' and nd_get_tiles(nd) ~= nil then
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local tl = nd_get_tiles(nd)[1]
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if type(tl) == 'table' then
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tl = tl.name
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end
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tl = (tl .. '^'):match('(.-)^')
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out:write(prefix .. ':' .. name .. ' ' .. tl .. '\n')
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n = n + 1
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else
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print("ignored(2): " .. prefix .. ':' .. name)
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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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==FILE== avgcolor.py
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#!/usr/bin/env python
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import sys
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from PIL import Image
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def tsum(a, b):
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return tuple(sum(e) for e in zip(a, b))
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if len(sys.argv) < 2:
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print("Prints average color (RGB) of input image")
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print("Usage: %s <input>" % sys.argv[0])
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exit(1)
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inp = Image.open(sys.argv[1])
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inp = inp.convert('RGBA')
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ind = inp.load()
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cl = (0, 0, 0)
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counted = 0
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for x in range(inp.size[0]):
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for y in range(inp.size[1]):
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px = ind[x, y]
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if px[3] < 128:
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continue
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cl = tsum(cl, px[:3])
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counted = counted + 1
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if counted == 0:
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sys.stderr.write("didn't find avg. color for %s\n" % sys.argv[1])
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print("0 0 0")
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exit(0)
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cl = tuple(int(n / counted) for n in cl)
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print("%d %d %d" % cl)
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==SCRIPT==
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#!/bin/bash -e
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AVGCOLOR_PATH=/path/to/avgcolor.py
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MTGAME_PATH=/path/to/minetest_game
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NODESTXT_PATH=./nodes.txt
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COLORSTXT_PATH=./colors.txt
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while read -r line; do
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set -- junk $line
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shift
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if [[ -z "$1" || $1 == "#" ]]; then
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echo $line
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continue
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fi
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tex=$(find $MTGAME_PATH -type f -name "$2")
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if [ -z "$tex" ]; then
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echo "skip $1: texture not found" >&2
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continue
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fi
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echo $1 $(python $AVGCOLOR_PATH "$tex")
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echo "ok $1" >&2
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done < $NODESTXT_PATH > $COLORSTXT_PATH
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# Use nicer colors for water and lava:
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sed -re 's/^default:((river_)?water_(flowing|source)) [0-9 ]+$/default:\1 39 66 106 128 224/g' $COLORSTXT_PATH -i
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sed -re 's/^default:(lava_(flowing|source)) [0-9 ]+$/default:\1 255 100 0/g' $COLORSTXT_PATH -i
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# Add transparency to glass nodes:
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sed -re 's/^default:(.*glass) ([0-9 ]+)$/default:\1 \2 64 16/g' $COLORSTXT_PATH -i
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sed -re 's/^doors:(.*glass[^ ]*) ([0-9 ]+)$/doors:\1 \2 64 16/g' $COLORSTXT_PATH -i
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# Fix xpanes color:
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sed -re 's/^xpanes:((pane|bar)(_flat)?) [0-9 ]+$/xpanes:\1 194 194 227 64 16/g' $COLORSTXT_PATH -i
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==INSTRUCTIONS==
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1) Make sure avgcolors.py outputs the usage instructions
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2) Add the dumpnodes mod to Minetest
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3) Create a world and load dumpnodes & all mods you want to generate colors for
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4) Execute /dumpnodes ingame
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5) Run the script to generate colors.txt (make sure to replace /path/to/... with the actual paths)
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