14 changed files with 241 additions and 826 deletions
--- a/README.md
+++ b/README.md
@ -1,78 +0,0 @@
-![](./screenshot.jpg)
-
-This mod makes soil and soil-like nodes capable of holding temporary "footprint" impressions, and if they're walked on repeatedly turning into hard-packed trails.
-
-It also allows players to flatten plants by walking on them.
-
-It includes definitions for footprint-capable nodes in the "default" mod, and has an API for allowing nodes in other mods to use the same system.
-
-## API
-
-New trampled nodes can be registered with this API:
-
-```
-footprints.register_trample_node(trampleable_node_name, trample_def)
-
-trample_def:
-{
-	trampled_node_name = , -- If this is not defined it defaults to the
-	                       -- trampleable node name with "_trampled" appended.
-	trampled_node_def_override = {}, -- If trampled_node_name doesn't exist a new
-	                       -- node will be registered based on the definition of
-	                       -- trampleable_node_name. Any properties in this table
-	                       -- will be used to override properties. Ignored if
-	                       -- trampled_node_name is a node that already exists.
-	probability = 1, -- chance that stepping on this node will cause it to turn
-                           -- into the trampled version (range is 0.0 to 1.0)
-	trample_count = 1, -- The number of times this node needs to be stepped on
-                           -- (and pass the probability check) to transition to
-                           -- the trampled state
-	randomize_trampled_param2 = nil, -- if true, sets param2 of trampled node to math.random(0,3)
-                           -- This is used for trampled wheat, for example, to randomize the thatch's
-						   -- direction.
-	erodes = true,         -- sets the trampled node to erode back into the non-trampled
-                           -- version over time, if erosion is enabled in this mod's settings.
-                           -- Ignored if trampled_node_name is a node that already
-                           -- exists, since that may already have an erosion target established.
-	add_footprint_overlay = true, -- Applies the footprint texture over the +Y tile of the
-                           -- trampleable node. ignored if trampled_node_name is a node that already exists
-	footprint_overlay_texture = "footprints_footprint.png",
-	footprint_opacity = 64, -- defaults to 64 (0 is transparent, 255 is fully opaque)
-	hard_pack_node_name = nil, -- If the trampled node is walked on again this is the
-                           -- node that it can get further packed down into. ignored if
-                           -- trampled_node_name is a node that already exists, since
-                           -- it's expected this has already been established
-	hard_pack_probability = 0.9, -- The probability that walking on a trampled node
-                           -- will turn it into the hard-packed node (0.0 to 1.0).
-                           -- ignored if trampled_node_name is a node that already exists
-	hard_pack_count = 10, -- The number of times the trampled node needs to be stepped on
-                           -- (and pass the probability check) to turn to the hard packed state
-}
-```
-
-Note that all of the parameters in trample_def have default values, so if you want you can just pass in nil and the footprints mod will create a footstep-marked version of the node and set it all up for you with no further information needed. "footprints.register_trample_node("modname:dirt")" will work.
-
-### Eroding hardpack back to soil over time
-
-If you've defined a hard_pack_node and want to have it able to erode back to base soil, you can use this callback to manually add it to the erosion system:
-
-```
-footprints.register_erosion(starting_node_name, restored_node_name)
-```
-Note that the source_node should be in group footprints_erodes or an error will be thrown.
-
-### Using a hoe to convert hardpack back to soil
-
-If you've got the `farming` mod installed you can allow hardpack nodes to be restored back to soil using a hoe with the following function:
-
-```
-footprints.register_hoe_converts(starting_node_name, restored_node_name)
-```
-
-## License
-
-Licenses: Source code MIT. Textures CC BY-SA (3.0)
-
- This mod was developed by paramat from 'desire path' mod by Casimir: https://forum.minetest.net/viewtopic.php?id=3390
- Trail 0.3.1 by paramat: https://forum.minetest.net/viewtopic.php?f=11&t=6773
- Version 0.4 for Minetest 0.5 was developed by FaceDeer and renamed "footprints"
--- a/README.txt
+++ b/README.txt
@ -0,0 +1,35 @@
+Licenses: Source code MIT. Textures CC BY-SA (3.0)
+
+This mod was developed by paramat from 'desire path' mod by Casimir
+https://forum.minetest.net/viewtopic.php?id=3390
+Trail 0.3.1 by paramat
+Version 0.4 for Minetest 0.5 was developed by FaceDeer
+
+New trampled nodes can be registered with this API:
+
+trail.register_trample_node(trampleable_node_name, trample_def)
+
+trample_def:
+{
+	trampled_node_name = , -- If this is not defined it defaults to the trampleable node name with "_trampled" appended.
+	trampled_node_def_override = {}, -- If trampled_node_name doesn't exist a new node will be registered based on the definition of trampleable_node_name. Any properties in this table will be used to override properties ignored if trampled_node_name is a node that already exists.
+	probability = 1, -- chance that stepping on this node will cause it to turn into the trampled version (0.0 to 1.0)
+	trample_count = 1, -- The number of times this node needs to be stepped on (and pass the probability check) to transition to the trampled state
+	randomize_trampled_param2 = nil, -- if true, sets param2 of trampled node to math.random(0,3)
+	erodes = true, -- sets the trampled node up to erode back into the non-trampled verison. ignored if trampled_node_name is a node that already exists, since that may already have an erosion target established
+	add_footprint_overlay = true, -- Applies the footprint texture over the +Y tile of the trampleable node. ignored if trampled_node_name is a node that already exists
+	footprint_overlay_texture = "trail_footprint.png",
+	footprint_opacity = 64, -- defaults to 64 (0 is transparent, 255 is fully opaque)
+	hard_pack_node_name = nil, -- If the trampled node is walked on again this is the node that it can get trampled into further. ignored if trampled_node_name is a node that already exists, since it's expected this has already been established
+	hard_pack_probability = 0.1, -- The probability that walking on a trampled node will turn it into the hard-packed node (0.0 to 1.0). ignored if trampled_node_name is a node that already exists
+	hard_pack_count = 1, -- The number of times the trampled node needs to be stepped on (and pass the probability check) to turn to the hard packed state
+}
+
+Note that all of the parameters in trample_def have default values, so if you want you can just pass in nil and the trail mod will create a footstep-marked version of the node and set it all up for you with no further information needed. "trail.register_trample_node("modname:dirt")" will work.
+
+
+If you've defined a hard_pack_node and want to have it able to erode back to base soil, you can use this callback to manually add it to the erosion system:
+
+trail.register_erosion(source_node_name, destination_node_name)
+
+Note that the source_node should be in group trail_erodes or an error will be thrown.
--- a/i18n.py
+++ b/i18n.py
@ -1,448 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-#
-# Script to generate the template file and update the translation files.
-# Copy the script into the mod or modpack root folder and run it there.
-#
-# Copyright (C) 2019 Joachim Stolberg, 2020 FaceDeer, 2020 Louis Royer
-# LGPLv2.1+
-#
-# See https://github.com/minetest-tools/update_translations for
-# potential future updates to this script.
-
-from __future__ import print_function
-import os, fnmatch, re, shutil, errno
-from sys import argv as _argv
-from sys import stderr as _stderr
-
-# Running params
-params = {"recursive": False,
-    "help": False,
-    "mods": False,
-    "verbose": False,
-    "folders": [],
-    "no-old-file": False
-}
-# Available CLI options
-options = {"recursive": ['--recursive', '-r'],
-    "help": ['--help', '-h'],
-    "mods": ['--installed-mods'],
-    "verbose": ['--verbose', '-v'],
-    "no-old-file": ['--no-old-file']
-}
-
-# Strings longer than this will have extra space added between
-# them in the translation files to make it easier to distinguish their
-# beginnings and endings at a glance
-doublespace_threshold = 60
-
-def set_params_folders(tab: list):
-    '''Initialize params["folders"] from CLI arguments.'''
-    # Discarding argument 0 (tool name)
-    for param in tab[1:]:
-        stop_param = False
-        for option in options:
-            if param in options[option]:
-                stop_param = True
-                break
-        if not stop_param:
-            params["folders"].append(os.path.abspath(param))
-
-def set_params(tab: list):
-    '''Initialize params from CLI arguments.'''
-    for option in options:
-        for option_name in options[option]:
-            if option_name in tab:
-                params[option] = True
-                break
-
-def print_help(name):
-    '''Prints some help message.'''
-    print(f'''SYNOPSIS
-    {name} [OPTIONS] [PATHS...]
-DESCRIPTION
-    {', '.join(options["help"])}
-        prints this help message
-    {', '.join(options["recursive"])}
-        run on all subfolders of paths given
-    {', '.join(options["mods"])}
-        run on locally installed modules
-    {', '.join(options["no-old-file"])}
-        do not create *.old files
-    {', '.join(options["verbose"])}
-        add output information
-''')
-
-
-def main():
-    '''Main function'''
-    set_params(_argv)
-    set_params_folders(_argv)
-    if params["help"]:
-        print_help(_argv[0])
-    elif params["recursive"] and params["mods"]:
-        print("Option --installed-mods is incompatible with --recursive")
-    else:
-        # Add recursivity message
-        print("Running ", end='')
-        if params["recursive"]:
-            print("recursively ", end='')
-        # Running
-        if params["mods"]:
-            print(f"on all locally installed modules in {os.path.abspath('~/.minetest/mods/')}")
-            run_all_subfolders("~/.minetest/mods")
-        elif len(params["folders"]) >= 2:
-            print("on folder list:", params["folders"])
-            for f in params["folders"]:
-                if params["recursive"]:
-                    run_all_subfolders(f)
-                else:
-                    update_folder(f)
-        elif len(params["folders"]) == 1:
-            print("on folder", params["folders"][0])
-            if params["recursive"]:
-                run_all_subfolders(params["folders"][0])
-            else:
-                update_folder(params["folders"][0])
-        else:
-            print("on folder", os.path.abspath("./"))
-            if params["recursive"]:
-                run_all_subfolders(os.path.abspath("./"))
-            else:
-                update_folder(os.path.abspath("./"))
-
-#group 2 will be the string, groups 1 and 3 will be the delimiters (" or ')
-#See https://stackoverflow.com/questions/46967465/regex-match-text-in-either-single-or-double-quote
-pattern_lua_s = re.compile(r'[\.=^\t,{\(\s]N?S\(\s*(["\'])((?:\\\1|(?:(?!\1)).)*)(\1)[\s,\)]', re.DOTALL)
-pattern_lua_fs = re.compile(r'[\.=^\t,{\(\s]N?FS\(\s*(["\'])((?:\\\1|(?:(?!\1)).)*)(\1)[\s,\)]', re.DOTALL)
-pattern_lua_bracketed_s = re.compile(r'[\.=^\t,{\(\s]N?S\(\s*\[\[(.*?)\]\][\s,\)]', re.DOTALL)
-pattern_lua_bracketed_fs = re.compile(r'[\.=^\t,{\(\s]N?FS\(\s*\[\[(.*?)\]\][\s,\)]', re.DOTALL)
-
-# Handles "concatenation" .. " of strings"
-pattern_concat = re.compile(r'["\'][\s]*\.\.[\s]*["\']', re.DOTALL)
-
-pattern_tr = re.compile(r'(.*?[^@])=(.*)')
-pattern_name = re.compile(r'^name[ ]*=[ ]*([^ \n]*)')
-pattern_tr_filename = re.compile(r'\.tr$')
-pattern_po_language_code = re.compile(r'(.*)\.po$')
-
-#attempt to read the mod's name from the mod.conf file. Returns None on failure
-def get_modname(folder):
-    try:
-        with open(os.path.join(folder, "mod.conf"), "r", encoding='utf-8') as mod_conf:
-            for line in mod_conf:
-                match = pattern_name.match(line)
-                if match:
-                    return match.group(1)
-    except FileNotFoundError:
-        pass
-    return None
-
-#If there are already .tr files in /locale, returns a list of their names
-def get_existing_tr_files(folder):
-    out = []
-    for root, dirs, files in os.walk(os.path.join(folder, 'locale/')):
-        for name in files:
-            if pattern_tr_filename.search(name):
-                out.append(name)
-    return out
-
-# A series of search and replaces that massage a .po file's contents into
-# a .tr file's equivalent
-def process_po_file(text):
-    # The first three items are for unused matches
-    text = re.sub(r'#~ msgid "', "", text)
-    text = re.sub(r'"\n#~ msgstr ""\n"', "=", text)
-    text = re.sub(r'"\n#~ msgstr "', "=", text)
-    # comment lines
-    text = re.sub(r'#.*\n', "", text)
-    # converting msg pairs into "=" pairs
-    text = re.sub(r'msgid "', "", text)
-    text = re.sub(r'"\nmsgstr ""\n"', "=", text)
-    text = re.sub(r'"\nmsgstr "', "=", text)
-    # various line breaks and escape codes
-    text = re.sub(r'"\n"', "", text)
-    text = re.sub(r'"\n', "\n", text)
-    text = re.sub(r'\\"', '"', text)
-    text = re.sub(r'\\n', '@n', text)
-    # remove header text
-    text = re.sub(r'=Project-Id-Version:.*\n', "", text)
-    # remove double-spaced lines
-    text = re.sub(r'\n\n', '\n', text)
-    return text
-
-# Go through existing .po files and, if a .tr file for that language
-# *doesn't* exist, convert it and create it.
-# The .tr file that results will subsequently be reprocessed so
-# any "no longer used" strings will be preserved.
-# Note that "fuzzy" tags will be lost in this process.
-def process_po_files(folder, modname):
-    for root, dirs, files in os.walk(os.path.join(folder, 'locale/')):
-        for name in files:
-            code_match = pattern_po_language_code.match(name)
-            if code_match == None:
-                continue
-            language_code = code_match.group(1)
-            tr_name = modname + "." + language_code + ".tr"
-            tr_file = os.path.join(root, tr_name)
-            if os.path.exists(tr_file):
-                if params["verbose"]:
-                    print(f"{tr_name} already exists, ignoring {name}")
-                continue
-            fname = os.path.join(root, name)
-            with open(fname, "r", encoding='utf-8') as po_file:
-                if params["verbose"]:
-                    print(f"Importing translations from {name}")
-                text = process_po_file(po_file.read())
-                with open(tr_file, "wt", encoding='utf-8') as tr_out:
-                    tr_out.write(text)
-
-# from https://stackoverflow.com/questions/600268/mkdir-p-functionality-in-python/600612#600612
-# Creates a directory if it doesn't exist, silently does
-# nothing if it already exists
-def mkdir_p(path):
-    try:
-        os.makedirs(path)
-    except OSError as exc: # Python >2.5
-        if exc.errno == errno.EEXIST and os.path.isdir(path):
-            pass
-        else: raise
-
-# Converts the template dictionary to a text to be written as a file
-# dKeyStrings is a dictionary of localized string to source file sets
-# dOld is a dictionary of existing translations and comments from
-# the previous version of this text
-def strings_to_text(dkeyStrings, dOld, mod_name, header_comments):
-    lOut = [f"# textdomain: {mod_name}\n"]
-    if header_comments is not None:
-        lOut.append(header_comments)
-    
-    dGroupedBySource = {}
-
-    for key in dkeyStrings:
-        sourceList = list(dkeyStrings[key])
-        sourceList.sort()
-        sourceString = "\n".join(sourceList)
-        listForSource = dGroupedBySource.get(sourceString, [])
-        listForSource.append(key)
-        dGroupedBySource[sourceString] = listForSource
-    
-    lSourceKeys = list(dGroupedBySource.keys())
-    lSourceKeys.sort()
-    for source in lSourceKeys:
-        localizedStrings = dGroupedBySource[source]
-        localizedStrings.sort()
-        lOut.append("")
-        lOut.append(source)
-        lOut.append("")
-        for localizedString in localizedStrings:
-            val = dOld.get(localizedString, {})
-            translation = val.get("translation", "")
-            comment = val.get("comment")
-            if len(localizedString) > doublespace_threshold and not lOut[-1] == "":
-                lOut.append("")
-            if comment != None:
-                lOut.append(comment)
-            lOut.append(f"{localizedString}={translation}")
-            if len(localizedString) > doublespace_threshold:
-                lOut.append("")
-
-
-    unusedExist = False
-    for key in dOld:
-        if key not in dkeyStrings:
-            val = dOld[key]
-            translation = val.get("translation")
-            comment = val.get("comment")
-            # only keep an unused translation if there was translated
-            # text or a comment associated with it
-            if translation != None and (translation != "" or comment):
-                if not unusedExist:
-                    unusedExist = True
-                    lOut.append("\n\n##### not used anymore #####\n")
-                if len(key) > doublespace_threshold and not lOut[-1] == "":
-                    lOut.append("")
-                if comment != None:
-                    lOut.append(comment)
-                lOut.append(f"{key}={translation}")
-                if len(key) > doublespace_threshold:
-                    lOut.append("")
-    return "\n".join(lOut) + '\n'
-
-# Writes a template.txt file
-# dkeyStrings is the dictionary returned by generate_template
-def write_template(templ_file, dkeyStrings, mod_name):
-    # read existing template file to preserve comments
-    existing_template = import_tr_file(templ_file)
-    
-    text = strings_to_text(dkeyStrings, existing_template[0], mod_name, existing_template[2])
-    mkdir_p(os.path.dirname(templ_file))
-    with open(templ_file, "wt", encoding='utf-8') as template_file:
-        template_file.write(text)
-
-
-# Gets all translatable strings from a lua file
-def read_lua_file_strings(lua_file):
-    lOut = []
-    with open(lua_file, encoding='utf-8') as text_file:
-        text = text_file.read()
-        #TODO remove comments here
-
-        text = re.sub(pattern_concat, "", text)
-
-        strings = []
-        for s in pattern_lua_s.findall(text):
-            strings.append(s[1])
-        for s in pattern_lua_bracketed_s.findall(text):
-            strings.append(s)
-        for s in pattern_lua_fs.findall(text):
-            strings.append(s[1])
-        for s in pattern_lua_bracketed_fs.findall(text):
-            strings.append(s)
-                
-        for s in strings:
-            s = re.sub(r'"\.\.\s+"', "", s)
-            s = re.sub("@[^@=0-9]", "@@", s)
-            s = s.replace('\\"', '"')
-            s = s.replace("\\'", "'")
-            s = s.replace("\n", "@n")
-            s = s.replace("\\n", "@n")
-            s = s.replace("=", "@=")
-            lOut.append(s)
-    return lOut
-
-# Gets strings from an existing translation file
-# returns both a dictionary of translations
-# and the full original source text so that the new text
-# can be compared to it for changes.
-# Returns also header comments in the third return value.
-def import_tr_file(tr_file):
-    dOut = {}
-    text = None
-    header_comment = None
-    if os.path.exists(tr_file):
-        with open(tr_file, "r", encoding='utf-8') as existing_file :
-            # save the full text to allow for comparison
-            # of the old version with the new output
-            text = existing_file.read()
-            existing_file.seek(0)
-            # a running record of the current comment block
-            # we're inside, to allow preceeding multi-line comments
-            # to be retained for a translation line
-            latest_comment_block = None
-            for line in existing_file.readlines():
-                line = line.rstrip('\n')
-                if line[:3] == "###":
-                    if header_comment is None:
-                        # Save header comments
-                        header_comment = latest_comment_block
-                        # Stip textdomain line
-                        tmp_h_c = ""
-                        for l in header_comment.split('\n'):
-                            if not l.startswith("# textdomain:"):
-                                tmp_h_c += l + '\n'
-                        header_comment = tmp_h_c
-
-                    # Reset comment block if we hit a header
-                    latest_comment_block = None
-                    continue
-                if line[:1] == "#":
-                    # Save the comment we're inside
-                    if not latest_comment_block:
-                        latest_comment_block = line
-                    else:
-                        latest_comment_block = latest_comment_block + "\n" + line
-                    continue
-                match = pattern_tr.match(line)
-                if match:
-                    # this line is a translated line
-                    outval = {}
-                    outval["translation"] = match.group(2)
-                    if latest_comment_block:
-                        # if there was a comment, record that.
-                        outval["comment"] = latest_comment_block
-                    latest_comment_block = None
-                    dOut[match.group(1)] = outval
-    return (dOut, text, header_comment)
-
-# Walks all lua files in the mod folder, collects translatable strings,
-# and writes it to a template.txt file
-# Returns a dictionary of localized strings to source file sets
-# that can be used with the strings_to_text function.
-def generate_template(folder, mod_name):
-    dOut = {}
-    for root, dirs, files in os.walk(folder):
-        for name in files:
-            if fnmatch.fnmatch(name, "*.lua"):
-                fname = os.path.join(root, name)
-                found = read_lua_file_strings(fname)
-                if params["verbose"]:
-                    print(f"{fname}: {str(len(found))} translatable strings")
-
-                for s in found:
-                    sources = dOut.get(s, set())
-                    sources.add(f"### {os.path.basename(fname)} ###")
-                    dOut[s] = sources
-                    
-    if len(dOut) == 0:
-        return None
-    templ_file = os.path.join(folder, "locale/template.txt")
-    write_template(templ_file, dOut, mod_name)
-    return dOut
-
-# Updates an existing .tr file, copying the old one to a ".old" file
-# if any changes have happened
-# dNew is the data used to generate the template, it has all the
-# currently-existing localized strings
-def update_tr_file(dNew, mod_name, tr_file):
-    if params["verbose"]:
-        print(f"updating {tr_file}")
-
-    tr_import = import_tr_file(tr_file)
-    dOld = tr_import[0]
-    textOld = tr_import[1]
-
-    textNew = strings_to_text(dNew, dOld, mod_name, tr_import[2])
-
-    if textOld and textOld != textNew:
-        print(f"{tr_file} has changed.")
-        if not params["no-old-file"]:
-            shutil.copyfile(tr_file, f"{tr_file}.old")
-
-    with open(tr_file, "w", encoding='utf-8') as new_tr_file:
-        new_tr_file.write(textNew)
-
-# Updates translation files for the mod in the given folder
-def update_mod(folder):
-    modname = get_modname(folder)
-    if modname is not None:
-        process_po_files(folder, modname)
-        print(f"Updating translations for {modname}")
-        data = generate_template(folder, modname)
-        if data == None:
-            print(f"No translatable strings found in {modname}")
-        else:
-            for tr_file in get_existing_tr_files(folder):
-                update_tr_file(data, modname, os.path.join(folder, "locale/", tr_file))
-    else:
-        print(f"\033[31mUnable to find modname in folder {folder}.\033[0m", file=_stderr)
-        exit(1)
-
-# Determines if the folder being pointed to is a mod or a mod pack
-# and then runs update_mod accordingly
-def update_folder(folder):
-    is_modpack = os.path.exists(os.path.join(folder, "modpack.txt")) or os.path.exists(os.path.join(folder, "modpack.conf"))
-    if is_modpack:
-        subfolders = [f.path for f in os.scandir(folder) if f.is_dir()]
-        for subfolder in subfolders:
-            update_mod(subfolder + "/")
-    else:
-        update_mod(folder)
-    print("Done.")
-
-def run_all_subfolders(folder):
-    for modfolder in [f.path for f in os.scandir(folder) if f.is_dir()]:
-        update_folder(modfolder + "/")
-
-
-main()
--- a/init.lua
+++ b/init.lua
@ -1,20 +1,20 @@
 -- global callbacks
-footprints = {}
-
-local default_modpath = minetest.get_modpath("default")
+trail = {}

 local S = minetest.get_translator(minetest.get_current_modname())

 -- Parameters

+local FOO = true -- Enable footprints.
 local GLOBALSTEP_INTERVAL = 0.2 -- Function cycle in seconds.

-local HARDPACK_PROBABILITY = minetest.settings:get("footprints_hardpack_probability") or 0.9 -- Chance walked dirt/grass is worn and compacted to footprints:trail.
-local HARDPACK_COUNT = minetest.settings:get("footprints_hardpack_count") or 10 -- Number of times the above chance needs to be passed for soil to compact.
-local EROSION = minetest.settings:get_bool("footprints_erosion", true) -- Enable footprint erosion.
-local FOOTPRINTS_EROSION = minetest.settings:get_bool("footprints_trail_erosion", false) -- Allow hard-packed soil to erode back to dirt
-local EROSION_INTERVAL = minetest.settings:get("footprints_erosion_interval") or 128 -- Erosion interval.
-local EROSION_CHANCE = minetest.settings:get("footprints_erosion_chance") or 2 -- Erosion 1/x chance.
+local HARDPACK_PROBABILITY = minetest.settings:get("trail_hardpack_probability") or 0.5 -- Chance walked dirt/grass is worn and compacted to trail:trail.
+local HARDPACK_COUNT = minetest.settings:get("trail_hardpack_count") or 5 -- Number of times the above chance needs to be passed for soil to compact.
+local ICE_PROBABILITY = minetest.settings:get("trail_ice_probability") or 0.05 -- Chance walked snowblock is compacted to ice.
+local EROSION = minetest.settings:get_bool("trail_erosion", true) -- Enable footprint erosion.
+local TRAIL_EROSION = minetest.settings:get_bool("trail_trail_erosion", true) -- Allow hard-packed soil to erode back to dirt
+local EROSION_INTERVAL = minetest.settings:get("trail_erosion_interval") or 16 -- Erosion interval.
+local EROSION_CHANCE = minetest.settings:get("trail_erosion_chance") or 128 -- Erosion 1/x chance.

 -- Utility

@ -31,30 +31,30 @@ end

 -- Player positions

-local player_pos_previous_map = {}
+local player_pos_previous = {}

 minetest.register_on_joinplayer(function(player)
-	player_pos_previous_map[player:get_player_name()] = {x = 0, y = 0, z = 0}
+	player_pos_previous[player:get_player_name()] = {x = 0, y = 0, z = 0}
 end)

 minetest.register_on_leaveplayer(function(player)
-	player_pos_previous_map[player:get_player_name()] = nil
+	player_pos_previous[player:get_player_name()] = nil
 end)

-local trampleable_nodes = {}
+local trails = {}
 local erosion = {}

-footprints.register_trample_node = function(trampleable_node_name, trample_def)
+trail.register_trample_node = function(trampleable_node_name, trample_def)
 	trample_def = trample_def or {} -- Everything has defaults, so if no trample_def is passed in just use an empty table.

-	if trampleable_nodes[trampleable_node_name] then
-		minetest.log("error", "[footprints] Attempted to call footprints.register_trample_node to register trampleable node "
+	if trails[trampleable_node_name] then
+		minetest.log("error", "[trail] Attempted to call trail.register_trample_node to register trampleable node "
 			.. trampleable_node_name ..", which has already been registered as trampleable.")
 		return			
 	end
 	local trampleable_node_def = minetest.registered_nodes[trampleable_node_name]
 	if trampleable_node_def == nil then
-		minetest.log("error", "[footprints] Attempted to call footprints.register_trample_node with the trampleable node "
+		minetest.log("error", "[trail] Attempted to call trail.register_trample_node with the trampleable node "
 			.. trampleable_node_name ..", which has not yet been registered as a node.")
 		return
 	end
@ -71,7 +71,7 @@ footprints.register_trample_node = function(trampleable_node_name, trample_def)
 		-- Set up the erosion ABM group
 		if EROSION and trample_def.erodes ~= false then
 			local groups = trampled_node_def.groups or {}
-			groups.footprints_erodes = 1
+			groups.trail_erodes = 1
 			trampled_node_def.groups = groups
 			erosion[trampled_node_name] = trampleable_node_name
 		end
@ -83,7 +83,7 @@ footprints.register_trample_node = function(trampleable_node_name, trample_def)
 		
 		-- Modify the +Y tile with a footprint overlay
 		if trample_def.add_footprint_overlay ~= false then
-			local footprint_overlay = trample_def.footprint_overlay or "footprints_footprint.png"
+			local footprint_overlay = trample_def.footprint_overlay or "trail_footprint.png"
 			local footprint_opacity = trample_def.footprint_opacity or 64
 			local overlay_texture = "^(" .. footprint_overlay .. "^[opacity:" .. tostring(footprint_opacity) .. ")"

@ -105,38 +105,38 @@ footprints.register_trample_node = function(trampleable_node_name, trample_def)

 		minetest.register_node(":"..trampled_node_name, trampled_node_def)
 		
-		-- If hard pack has been defined for this footprints type, add it
+		-- If hard pack has been defined for this trail type, add it
 		local hard_pack_node_name = trample_def.hard_pack_node_name
 		if hard_pack_node_name then
 			local hard_pack_probability = trample_def.hard_pack_probability or 0.1
 			local hard_pack_count = trample_def.hard_pack_count or 1
-			trampleable_nodes[trampled_node_name] = {name=hard_pack_node_name, probability=hard_pack_probability, count = hard_pack_count}
+			trails[trampled_node_name] = {name=hard_pack_node_name, probability=hard_pack_probability, count = hard_pack_count}
 		end
 	end	

 	local probability = trample_def.probability or 1
 	local trample_count = trample_def.trample_count or 1
-	trampleable_nodes[trampleable_node_name] = {name=trampled_node_name, probability=probability, randomize_trampled_param2 = trample_def.randomize_trampled_param2, count = trample_count}
+	trails[trampleable_node_name] = {name=trampled_node_name, probability=probability, randomize_trampled_param2 = trample_def.randomize_trampled_param2, count = trample_count}
 end

-footprints.register_erosion = function(source_node_name, destination_node_name)
+trail.register_erosion = function(source_node_name, destination_node_name)
 	if not EROSION then
 		return
 	end
 	
 	if minetest.registered_nodes[source_node_name] == nil then
-		minetest.log("error", "[footprints] attempted to call footprints.register_erosion with unregistered source node "
+		minetest.log("error", "[trail] attempted to call trail.register_erosion with unregistered source node "
 			.. source_node_name)
 		return
 	end
 	if minetest.registered_nodes[destination_node_name] == nil then
-		minetest.log("error", "[footprints] attempted to call footprints.register_erosion with unregistered destination node "
+		minetest.log("error", "[trail] attempted to call trail.register_erosion with unregistered destination node "
 			.. destination_node_name)
 		return	
 	end
-	if minetest.get_item_group(source_node_name, "footprints_erodes") == 0 then
-		minetest.log("error", "[footprints] attempted to call footprints.register_erosion with source node "
-			.. destination_node_name .. " that wasn't in group footprints_erodes.")
+	if minetest.get_item_group(source_node_name, "trail_erodes") == 0 then
+		minetest.log("error", "[trail] attempted to call trail.register_erosion with source node "
+			.. destination_node_name .. " that wasn't in group trail_erodes.")
 		return
 	end
 	
@ -145,105 +145,106 @@ end

 -- Nodes

+local default_modpath = minetest.get_modpath("default")
+
 if default_modpath then
 	-- hard-packed soil
-	local footprints_trail_def = {
-		tiles = {"footprints_trailtop.png", "default_dirt.png",
-			"default_dirt.png^footprints_trailside.png"},
+	local trail_trail_def = {
+		tiles = {"trail_trailtop.png", "default_dirt.png",
+			"default_dirt.png^trail_trailside.png"},
 		groups = {crumbly = 2},
 		drop = "default:dirt",
 		sounds = default.node_sound_dirt_defaults(),
 	}
-	if FOOTPRINTS_EROSION then
-		footprints_trail_def.groups.footprints_erodes = 1
+	if TRAIL_EROSION then
+		trail_trail_def.groups.trail_erodes = 1
 	end
-	minetest.register_node("footprints:trail", footprints_trail_def)
-	if FOOTPRINTS_EROSION then
-		footprints.register_erosion("footprints:trail", "default:dirt")
+	minetest.register_node("trail:trail", trail_trail_def)
+	if TRAIL_EROSION then
+		trail.register_erosion("trail:trail", "default:dirt")
 	end

 	-- hard-packed dry soil
-	local footprints_dry_trail_def = {
-		tiles = {"footprints_trailtop.png", "default_dry_dirt.png",
-			"default_dry_dirt.png^footprints_trailside.png"},
+	local trail_dry_trail_def = {
+		tiles = {"trail_trailtop.png", "default_dry_dirt.png",
+			"default_dry_dirt.png^trail_trailside.png"},
 		groups = {crumbly = 2},
 		drop = "default:dry_dirt",
 		sounds = default.node_sound_dirt_defaults(),
 	}
-	if FOOTPRINTS_EROSION then
-		footprints_dry_trail_def.groups.footprints_erodes = 1
+	if TRAIL_EROSION then
+		trail_dry_trail_def.groups.trail_erodes = 1
 	end
-	minetest.register_node("footprints:dry_trail", footprints_dry_trail_def)
-	if FOOTPRINTS_EROSION then
-		footprints.register_erosion("footprints:dry_trail", "default:dry_dirt")
+	minetest.register_node("trail:dry_trail", trail_dry_trail_def)
+	if TRAIL_EROSION then
+		trail.register_erosion("trail:dry_trail", "default:dry_dirt")
 	end

 	-- Default dirt

-	footprints.register_trample_node("default:dirt", {
-		trampled_node_name = "footprints:dirt",
+	trail.register_trample_node("default:dirt", {
+		trampled_node_name = "trail:dirt",
 		trampled_node_def_override = {description = S("Dirt with Footprint"),},
-		hard_pack_node_name = "footprints:trail",
+		hard_pack_node_name = "trail:trail",
 		footprint_opacity = 96,
 		hard_pack_probability = HARDPACK_PROBABILITY,
-		hard_pack_count = HARDPACK_COUNT,
 	})

-	footprints.register_trample_node("default:dirt_with_grass", {
-		trampled_node_name = "footprints:dirt_with_grass",
+	trail.register_trample_node("default:dirt_with_grass", {
+		trampled_node_name = "trail:dirt_with_grass",
 		trampled_node_def_override = {description = S("Dirt with Grass and Footprint"),},
-		hard_pack_node_name = "footprints:trail",
+		hard_pack_node_name = "trail:trail",
 		hard_pack_probability = HARDPACK_PROBABILITY,
 		hard_pack_count = HARDPACK_COUNT,
 	})

-	footprints.register_trample_node("default:dirt_with_dry_grass", {
-		trampled_node_name = "footprints:dirt_with_dry_grass",
+	trail.register_trample_node("default:dirt_with_dry_grass", {
+		trampled_node_name = "trail:dirt_with_dry_grass",
 		trampled_node_def_override = {description = S("Dirt with Dry Grass and Footprint"),},
-		hard_pack_node_name = "footprints:trail",
+		hard_pack_node_name = "trail:trail",
 		hard_pack_probability = HARDPACK_PROBABILITY,
 		hard_pack_count = HARDPACK_COUNT,
 	})

-	footprints.register_trample_node("default:dirt_with_snow", {
-		trampled_node_name = "footprints:dirt_with_snow",
+	trail.register_trample_node("default:dirt_with_snow", {
+		trampled_node_name = "trail:dirt_with_snow",
 		trampled_node_def_override = {description = S("Dirt with Snow and Footprint"),},
-		hard_pack_node_name = "footprints:trail",
+		hard_pack_node_name = "trail:trail",
 		hard_pack_probability = HARDPACK_PROBABILITY,
 		hard_pack_count = HARDPACK_COUNT,
 	})

-	footprints.register_trample_node("default:dirt_with_rainforest_litter", {
-		trampled_node_name = "footprints:dirt_with_rainforest_litter",
+	trail.register_trample_node("default:dirt_with_rainforest_litter", {
+		trampled_node_name = "trail:dirt_with_rainforest_litter",
 		trampled_node_def_override = {description = S("Dirt with Rainforest Litter and Footprint"),},
-		hard_pack_node_name = "footprints:trail",
+		hard_pack_node_name = "trail:trail",
 		footprint_opacity = 96,
 		hard_pack_probability = HARDPACK_PROBABILITY,
 		hard_pack_count = HARDPACK_COUNT,
 	})

-	footprints.register_trample_node("default:dirt_with_coniferous_litter", {
-		trampled_node_name = "footprints:dirt_with_coniferous_litter",
+	trail.register_trample_node("default:dirt_with_coniferous_litter", {
+		trampled_node_name = "trail:dirt_with_coniferous_litter",
 		trampled_node_def_override = {description = S("Dirt with Coniferous Litter and Footprint"),},
-		hard_pack_node_name = "footprints:trail",
+		hard_pack_node_name = "trail:trail",
 		footprint_opacity = 128,
 		hard_pack_probability = HARDPACK_PROBABILITY,
 		hard_pack_count = HARDPACK_COUNT,
 	})

-	footprints.register_trample_node("default:dry_dirt", {
-		trampled_node_name = "footprints:dry_dirt",
+	trail.register_trample_node("default:dry_dirt", {
+		trampled_node_name = "trail:dry_dirt",
 		trampled_node_def_override = {description = S("Dry Dirt with Footprint"),},
-		hard_pack_node_name = "footprints:dry_trail",
+		hard_pack_node_name = "trail:dry_trail",
 		footprint_opacity = 96,
 		hard_pack_probability = HARDPACK_PROBABILITY,
 		hard_pack_count = HARDPACK_COUNT,
 	})

-	footprints.register_trample_node("default:dry_dirt_with_dry_grass", {
-		trampled_node_name = "footprints:dry_dirt_with_dry_grass",
+	trail.register_trample_node("default:dry_dirt_with_dry_grass", {
+		trampled_node_name = "trail:dry_dirt_with_dry_grass",
 		trampled_node_def_override = {description = S("Dry Dirt with Dry Grass and Footprint"),},
-		hard_pack_node_name = "footprints:dry_trail",
+		hard_pack_node_name = "trail:dry_trail",
 		footprint_opacity = 96,
 		hard_pack_probability = HARDPACK_PROBABILITY,
 		hard_pack_count = HARDPACK_COUNT,
@ -251,55 +252,52 @@ if default_modpath then

 	-- Default sand

-	footprints.register_trample_node("default:sand", {
-		trampled_node_name = "footprints:sand",
+	trail.register_trample_node("default:sand", {
+		trampled_node_name = "trail:sand",
 		trampled_node_def_override = {description = S("Sand with Footprint"),},
 	})

-	footprints.register_trample_node("default:desert_sand", {
-		trampled_node_name = "footprints:desert_sand",
+	trail.register_trample_node("default:desert_sand", {
+		trampled_node_name = "trail:desert_sand",
 		trampled_node_def_override = {description = S("Desert Sand with Footprint"),},
 	})

-	footprints.register_trample_node("default:silver_sand", {
-		trampled_node_name = "footprints:silver_sand",
+	trail.register_trample_node("default:silver_sand", {
+		trampled_node_name = "trail:silver_sand",
 		trampled_node_def_override = {description = S("Silver Sand with Footprint"),},
 	})

-	footprints.register_trample_node("default:gravel", {
-		trampled_node_name = "footprints:gravel",
+	trail.register_trample_node("default:gravel", {
+		trampled_node_name = "trail:gravel",
 		trampled_node_def_override = {description = S("Gravel with Footprint"),},
 		footprint_opacity = 128,
 	})

 	-- Default snow

-	footprints.register_trample_node("default:snowblock", {
-		trampled_node_name = "footprints:snowblock",
+	trail.register_trample_node("default:snowblock", {
+		trampled_node_name = "trail:snowblock",
 		trampled_node_def_override = {description = S("Snow Block with Footprint"),},
 		hard_pack_node_name = "default:ice",
-		hard_pack_probability = HARDPACK_PROBABILITY,
-		hard_pack_count = HARDPACK_COUNT,
+		hard_pack_probability = ICE_PROBABILITY,
 	})

-	footprints.register_trample_node("default:snow", {
-		trampled_node_name = "footprints:snow",
+	trail.register_trample_node("default:snow", {
+		trampled_node_name = "trail:snow",
 		trampled_node_def_override = {description = S("Snow with Footprint"),},
 	})
 end

 if minetest.get_modpath("farming") then
-	local hoe_converts_nodes = {}
-
 	local sounds
 	if default_modpath then
 		sounds = default.node_sound_leaves_defaults()
 	end
 	-- Flattened wheat
-	minetest.register_node("footprints:wheat", {
+	minetest.register_node("trail:wheat", {
 		description = S("Flattened Wheat"),
-		tiles = {"footprints_flat_wheat.png"},
-		inventory_image = "footprints_flat_wheat.png",
+		tiles = {"trail_flat_wheat.png"},
+		inventory_image = "trail_flat_wheat.png",
 		drawtype = "nodebox",
 		paramtype = "light",
 		paramtype2 = "facedir",
@ -315,27 +313,27 @@ if minetest.get_modpath("farming") then
 		sounds = sounds,
 	})
 	
-	footprints.register_trample_node("farming:wheat_5", {
-		trampled_node_name = "footprints:wheat",
+	trail.register_trample_node("farming:wheat_5", {
+		trampled_node_name = "trail:wheat",
 		randomize_trampled_param2 = true,
 	})
-	footprints.register_trample_node("farming:wheat_6", {
-		trampled_node_name = "footprints:wheat",
+	trail.register_trample_node("farming:wheat_6", {
+		trampled_node_name = "trail:wheat",
 		randomize_trampled_param2 = true,
 	})
-	footprints.register_trample_node("farming:wheat_7", {
-		trampled_node_name = "footprints:wheat",
+	trail.register_trample_node("farming:wheat_7", {
+		trampled_node_name = "trail:wheat",
 		randomize_trampled_param2 = true,
 	})
-	footprints.register_trample_node("farming:wheat_8", {
-		trampled_node_name = "footprints:wheat",
+	trail.register_trample_node("farming:wheat_8", {
+		trampled_node_name = "trail:wheat",
 		randomize_trampled_param2 = true,
 	})
 	
-	minetest.register_node("footprints:cotton", {
+	minetest.register_node("trail:cotton", {
 		description = S("Flattened Cotton"),
-		tiles = {"footprints_flat_cotton.png"},
-		inventory_image = "footprints_flat_cotton.png",
+		tiles = {"trail_flat_cotton.png"},
+		inventory_image = "trail_flat_cotton.png",
 		drawtype = "nodebox",
 		paramtype = "light",
 		paramtype2 = "facedir",
@ -351,192 +349,130 @@ if minetest.get_modpath("farming") then
 		sounds = sounds,
 	})
 	
-	footprints.register_trample_node("farming:cotton_5", {
-		trampled_node_name = "footprints:cotton",
+	trail.register_trample_node("farming:cotton_5", {
+		trampled_node_name = "trail:cotton",
 		randomize_trampled_param2 = true,
 	})
-	footprints.register_trample_node("farming:cotton_6", {
-		trampled_node_name = "footprints:cotton",
+	trail.register_trample_node("farming:cotton_6", {
+		trampled_node_name = "trail:cotton",
 		randomize_trampled_param2 = true,
 	})
-	footprints.register_trample_node("farming:cotton_7", {
-		trampled_node_name = "footprints:cotton",
+	trail.register_trample_node("farming:cotton_7", {
+		trampled_node_name = "trail:cotton",
 		randomize_trampled_param2 = true,
 	})
-	footprints.register_trample_node("farming:cotton_8", {
-		trampled_node_name = "footprints:cotton",
+	trail.register_trample_node("farming:cotton_8", {
+		trampled_node_name = "trail:cotton",
 		randomize_trampled_param2 = true,
 	})
-	
-	-- Allow hoes to turn hardpack back into bare dirt
-	footprints.register_hoe_converts = function(target_node, converted_node)
-		hoe_converts_nodes[target_node] = converted_node
-	end
-	
-	local old_hoe_on_use = farming.hoe_on_use
-	if not old_hoe_on_use then
-		-- Something's wrong, don't override
-		return
-	end

-	local new_hoe_on_use = function(itemstack, user, pointed_thing, uses)
-		local pt = pointed_thing
-		-- check if pointing at a node
-		if not pt then
-			return
-		end
-		if pt.type ~= "node" then
-			return
-		end
-	
-		local under_node = minetest.get_node(pt.under)
-		local restore_node = hoe_converts_nodes[under_node.name]
-
-		-- check if pointing at hardpack
-		if restore_node then
-			if minetest.is_protected(pt.under, user:get_player_name()) then
-				minetest.record_protection_violation(pt.under, user:get_player_name())
-				return
-			end
-	
-			-- turn the node into soil and play sound
-			minetest.set_node(pt.under, {name = restore_node})
-			minetest.sound_play("default_dig_crumbly", {
-				pos = pt.under,
-				gain = 0.5,
-			})
-			if not (creative and creative.is_enabled_for 
-					and creative.is_enabled_for(user:get_player_name())) then
-				-- wear tool
-				local wdef = itemstack:get_definition()
-				itemstack:add_wear(65535/(uses-1))
-				-- tool break sound
-				if itemstack:get_count() == 0 and wdef.sound and wdef.sound.breaks then
-					minetest.sound_play(wdef.sound.breaks, {pos = pt.above, gain = 0.5})
-				end
-			end
-			return itemstack
-		end
-		
-		return old_hoe_on_use(itemstack, user, pointed_thing, uses)
-	end
-	
-	farming.hoe_on_use = new_hoe_on_use
-else
-	footprints.register_hoe_converts = function(target_node, converted_node)
-	end
-end
-
-if default_modpath then
-	footprints.register_hoe_converts("footprints:trail", "default:dirt")
-	footprints.register_hoe_converts("footprints:dry_trail", "default:dry_dirt")
 end

 -- Globalstep function

-local timer = 0
-
-local get_param2 = function(footprints_def)
-	if footprints_def.randomize_trampled_param2 then
-		return math.random(0,3)
+if FOO then
+	local timer = 0
+	
+	local get_param2 = function(trail_def)
+		if trail_def.randomize_trampled_param2 then
+			return math.random(0,3)
+		end
+		return 0
 	end
-	return 0
-end
-
-local test_trample_count = function(footprints_def, pos)
-	local target_count = footprints_def.count
-	if target_count <= 1 then
-		return true
+	
+	local test_trample_count = function(trail_def, pos)
+		local target_count = trail_def.count
+		if target_count <= 1 then
+			return true
+		end
+		local meta = minetest.get_meta(pos)
+		local trampled_count = meta:get_int("trail_trample_count")
+		trampled_count = trampled_count + 1
+		if trampled_count >= target_count then
+			return true
+		end
+		meta:set_int("trail_trample_count", trampled_count)
+		return false
 	end
-	local meta = minetest.get_meta(pos)
-	local trampled_count = meta:get_int("footprints_trample_count")
-	trampled_count = trampled_count + 1
-	if trampled_count >= target_count then
-		return true
-	end
-	meta:set_int("footprints_trample_count", trampled_count)
-	return false
-end
-
-local math_floor = math.floor
-
-minetest.register_globalstep(function(dtime)
-	timer = timer + dtime
-	if timer > GLOBALSTEP_INTERVAL then
-		timer = 0
-		for _, player in ipairs(minetest.get_connected_players()) do
-			local pos = player:get_pos()
-			local player_name = player:get_player_name()
-			local pos_x_plus_half = math_floor(pos.x + 0.5)
-			local pos_z_plus_half = math_floor(pos.z + 0.5)
-			local pos_y = pos.y
-			local current_player_pos = {
-				x = pos_x_plus_half,
-				y = math_floor(pos_y + 0.2),
-				z = pos_z_plus_half
-			}
-			
-			local player_pos_previous = player_pos_previous_map[player_name]
-
-			if player_pos_previous == nil then
-				break
-			end
-
-			if current_player_pos.x ~= player_pos_previous.x or
-				current_player_pos.y < player_pos_previous.y or
-				current_player_pos.z ~= player_pos_previous.z then
-				
-				local pos_ground_cover = {
+	
+	local math_floor = math.floor
+	
+	minetest.register_globalstep(function(dtime)
+		timer = timer + dtime
+		if timer > GLOBALSTEP_INTERVAL then
+			timer = 0
+			for _, player in ipairs(minetest.get_connected_players()) do
+				local pos = player:getpos()
+				local player_name = player:get_player_name()
+				local pos_x_plus_half = math_floor(pos.x + 0.5)
+				local pos_z_plus_half = math_floor(pos.z + 0.5)
+				local pos_y = pos.y
+				local current_player_pos = {
 					x = pos_x_plus_half,
-					y = math_floor(pos_y + 1.2),
+					y = math_floor(pos_y + 0.2),
 					z = pos_z_plus_half
 				}
-				local name_ground_cover = minetest.get_node(pos_ground_cover).name
 				
-				-- test ground cover first (snow, wheat)
-				local footprints_def = trampleable_nodes[name_ground_cover]
-				if footprints_def then
-					if math.random() <= footprints_def.probability then
-						local pos_ground_cover_plus = {
-							x = pos_x_plus_half,
-							y = math_floor(pos_y + 0.5),
-							z = pos_z_plus_half
-						}
-						if test_trample_count(footprints_def, pos_ground_cover_plus) then
-							minetest.set_node(pos_ground_cover_plus, {name = footprints_def.name, param2 = get_param2(footprints_def)})
-						end
-					end
-				else
-					local pos_ground = {
+				--if player_pos_previous[player_name] == nil then
+					--break
+				--end
+
+				if current_player_pos.x ~= player_pos_previous[player_name].x or
+					current_player_pos.y < player_pos_previous[player_name].y or
+					current_player_pos.z ~= player_pos_previous[player_name].z then
+					
+					local p_snow = {
 						x = pos_x_plus_half,
-						y = math_floor(pos_y + 0.4),
+						y = math_floor(pos_y + 1.2),
 						z = pos_z_plus_half
 					}
-					local name_ground = minetest.get_node(pos_ground).name
-					footprints_def = trampleable_nodes[name_ground]
-					if footprints_def and math.random() <= footprints_def.probability then
-						local pos_groundpl = {
+					local n_snow = minetest.get_node(p_snow).name
+					
+					-- test ground cover first (snow, wheat)
+					local trail_def = trails[n_snow]
+					if trail_def then
+						if math.random() <= trail_def.probability then
+							local p_snowpl = {
+								x = pos_x_plus_half,
+								y = math_floor(pos_y + 0.5),
+								z = pos_z_plus_half
+							}
+							if test_trample_count(trail_def, p_snowpl) then
+								minetest.set_node(p_snowpl, {name = trail_def.name, param2 = get_param2(trail_def)})
+							end
+						end
+					else
+						local p_ground = {
 							x = pos_x_plus_half,
-							y = math_floor(pos_y - 0.5),
-							z =pos_z_plus_half
+							y = math_floor(pos_y + 0.4),
+							z = pos_z_plus_half
 						}
-						if test_trample_count(footprints_def, pos_groundpl) then
-							minetest.set_node(pos_groundpl, {name = footprints_def.name, param2 = get_param2(footprints_def)})
+						local n_ground = minetest.get_node(p_ground).name
+						trail_def = trails[n_ground]
+						if trail_def and math.random() <= trail_def.probability then
+							local p_groundpl = {
+								x = pos_x_plus_half,
+								y = math_floor(pos_y - 0.5),
+								z =pos_z_plus_half
+							}
+							if test_trample_count(trail_def, p_groundpl) then
+								minetest.set_node(p_groundpl, {name = trail_def.name, param2 = get_param2(trail_def)})
+							end
 						end
 					end
 				end
-			end

-			player_pos_previous_map[player_name] = current_player_pos
+				player_pos_previous[player_name] = current_player_pos
+			end
 		end
-	end
-end)
+	end)
+end

 -- ABM

 if EROSION then
 	minetest.register_abm({
-		nodenames = {"group:footprints_erodes"},
+		nodenames = {"group:trail_erodes"},
 		interval = EROSION_INTERVAL,
 		chance = EROSION_CHANCE,
 		catch_up = true,
@ -544,36 +480,11 @@ if EROSION then
 			local nodename = node.name
 			local erodes_to = erosion[nodename]
 			if erodes_to then
-				local meta = minetest.get_meta(pos)
-				local trampled_count = meta:get_int("footprints_trample_count") - 1
-				if trampled_count <= 0 then
-					minetest.set_node(pos, {name = erodes_to})
-				else
-					meta:set_int("footprints_trample_count", trampled_count)
-				end				
+				minetest.set_node(pos, {name = erodes_to})
 			else
-				minetest.log("error", "[footprints] The node " .. nodename .. " is in group footprints_erodes but "
+				minetest.log("error", "[trail] The node " .. nodename .. " is in group trail_erodes but "
 					.. " didn't have an erosion target node defined.")
 			end
 		end
 	})
 end
-
-minetest.register_alias("trail:cotton",						"footprints:cotton")
-minetest.register_alias("trail:desert_sand",				"footprints:desert_sand")
-minetest.register_alias("trail:dirt",						"footprints:dirt")
-minetest.register_alias("trail:dirt_with_coniferous_litter","footprints:dirt_with_coniferous_litter")
-minetest.register_alias("trail:dirt_with_dry_grass",		"footprints:dirt_with_dry_grass")
-minetest.register_alias("trail:dirt_with_grass",			"footprints:dirt_with_grass")
-minetest.register_alias("trail:dirt_with_rainforest_litter","footprints:dirt_with_rainforest_litter")
-minetest.register_alias("trail:dirt_with_snow",				"footprints:dirt_with_snow")
-minetest.register_alias("trail:dry_dirt",					"footprints:dry_dirt")
-minetest.register_alias("trail:dry_dirt_with_dry_grass",	"footprints:dry_dirt_with_dry_grass")
-minetest.register_alias("trail:dry_trail",					"footprints:dry_trail")
-minetest.register_alias("trail:gravel",						"footprints:gravel")
-minetest.register_alias("trail:sand",						"footprints:sand")
-minetest.register_alias("trail:silver_sand",				"footprints:silver_sand")
-minetest.register_alias("trail:snow",						"footprints:snow")
-minetest.register_alias("trail:snowblock",					"footprints:snowblock")
-minetest.register_alias("trail:trail",						"footprints:trail")
-minetest.register_alias("trail:wheat",						"footprints:wheat")
--- a/license.txt
+++ b/license.txt
@ -3,7 +3,7 @@ License of source code

 The MIT License (MIT)
 Copyright (C) 2013-2017 paramat
-Copyright (C) 2020 FaceDeer
+Copyright (C) 2019 FaceDeer

 Permission is hereby granted, free of charge, to any person obtaining a copy of this
 software and associated documentation files (the "Software"), to deal in the Software
@ -26,12 +26,12 @@ https://opensource.org/licenses/MIT

 License of media (textures)

-footprints_flat_wheat.png by paramat
-footprints_footprint.png (from https://github.com/minetest/minetest_game/commit/c7b9e734ffd815e9b86b1fcceba2293e3067785e by paramat)
-footprints_trailside.png by paramat
-footprints_trailtop.png by paramat
+trail_flat_wheat.png by paramat
+trail_footprint.png (from https://github.com/minetest/minetest_game/commit/c7b9e734ffd815e9b86b1fcceba2293e3067785e by paramat)
+trail_trailside.png by paramat
+trail_trailtop.png by paramat

-footprints_flat_cotton.png by FaceDeer (C) 2019
+trail_flat_cotton.png by FaceDeer (C) 2019
 ---------------------------

 Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
--- a/locale/template.txt
+++ b/locale/template.txt
@ -1,9 +1,3 @@
-# textdomain: footprints
-
-
-
-### init.lua ###
-
 Desert Sand with Footprint=
 Dirt with Coniferous Litter and Footprint=
 Dirt with Dry Grass and Footprint=
@ -19,4 +13,4 @@ Gravel with Footprint=
 Sand with Footprint=
 Silver Sand with Footprint=
 Snow Block with Footprint=
-Snow with Footprint=
+Snow with Footprint=
--- a/mod.conf
+++ b/mod.conf
@ -1,3 +1,3 @@
-name = footprints
+name = trail
 description = Players walking over various types of terrain will leave footprints, and optionally pack the soil down into trails
 optional_depends = default, farming
--- a/screenshot.jpg
+++ b/screenshot.jpg
--- a/settingtypes.txt
+++ b/settingtypes.txt
@ -1,14 +1,15 @@
-footprints_erosion (Erode footsteps back to original soil type) bool true
+trail_erosion (Erode footsteps back to original soil type) bool true
 #This setting only has an effect if footstep erosion is also set to true
-footprints_trail_erosion (Erode hard-packed trails back to dirt) bool false
-footprints_erosion_interval (Erosion ABM interval) int 128
-footprints_erosion_chance (Erosion ABM 1/x chance) int 2
-#This setting works in combination with footprints_hardpack_count. It gives the
+trail_trail_erosion (Erode hard-packed trails back to dirt) bool true
+trail_erosion_interval (Erosion ABM interval) int 16
+trail_erosion_chance (Erosion ABM 1/x chance) int 128
+#This setting works in combination with trail_hardpack_count. It gives the
 #probability that a player stepping on a footprint will increment the hardpack
 #counter. So by default, every time you step on a footprint there's a 1/2
 #chance the counter increments for that node.
-footprints_hardpack_probability (Probability footprints in dirt turn to hardpacked soil) float 0.9
-#This setting works in combination with footprints_hardpack_probability. By default,
+trail_hardpack_probability (Probability footprints in dirt turn to hardpacked soil) float 0.5
+#This setting works in combination with trail_hardpack_probability. By default,
 #once a footprint has been stepped on enough to increment its counter 5 times
 #it'll turn the soil hard-packed.
-footprints_hardpack_count (Number of times the hardpack check needs to pass) int 10
+trail_hardpack_count (Number of times the hardpack check needs to pass) int 3
+trail_ice_probability (Chance footprints in snow turn to ice) float 0.05
--- a/textures/footprints_flat_cotton.png
+++ b/textures/footprints_flat_cotton.png
--- a/textures/footprints_flat_wheat.png
+++ b/textures/footprints_flat_wheat.png
--- a/textures/footprints_footprint.png
+++ b/textures/footprints_footprint.png
--- a/textures/footprints_trailside.png
+++ b/textures/footprints_trailside.png
--- a/textures/footprints_trailtop.png
+++ b/textures/footprints_trailtop.png