update zstd-jnilib to latest

and provide in fetch_dependencies information of latest Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>
cleanup remove samples
2025-11-02 20:21:31 +01:00 · 2025-11-02 18:30:07 +01:00 · 2025-11-02 18:10:21 +01:00 · 2025-11-02 18:04:02 +01:00 · 2025-11-02 08:46:16 +01:00 · 2025-11-02 08:41:53 +01:00
120 changed files with 5092 additions and 2428334 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,3 @@
+devenv_params
+artloglaby
+build/
--- a/.idea/ant.xml
+++ b/.idea/ant.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AntConfiguration">
+    <buildFile url="file://$PROJECT_DIR$/build.xml" />
+  </component>
+</project>
--- a/.idea/laby.iml
+++ b/.idea/laby.iml
@@ -25,5 +25,6 @@
    <orderEntry type="inheritedJdk" />
    <orderEntry type="sourceFolder" forTests="false" />
    <orderEntry type="library" name="artgaphics-0.2.0" level="project" />
+    <orderEntry type="library" name="zstd-jni-1.5.2-2" level="project" />
  </component>
 </module>
--- a/.idea/libraries/artgaphics_0_1_0.xml
+++ b/.idea/libraries/artgaphics_0_1_0.xml
@@ -1,9 +0,0 @@
-<component name="libraryTable">
-  <library name="artgaphics-0.1.0">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/libs/artgaphics-0.1.0.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
--- a/.idea/libraries/zstd_jni_1_5_2_2.xml
+++ b/.idea/libraries/zstd_jni_1_5_2_2.xml
@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="zstd-jni-1.5.2-2">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/libs/zstd-jni-1.5.2-2.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
--- a/.resources.var
+++ b/.resources.var
--- a/4create.makefile
+++ b/4create.makefile
@@ -0,0 +1,47 @@
+PACKAGE?=org.artisanlogiciel.games
+MAIN_CLASS?=Main
+PACKAGE_DIR=$(subst .,/,$(PACKAGE))
+OUT=out
+EDITOR=emacs
+
+$(OUT):
+	mkdir -p $(OUT)
+
+clean:
+	@find $(PACKAGE_DIR) -name "*.class" -type f -print0|xargs -0 rm 2>/dev/null && echo "cleaned classes in source"
+	@find $(OUT) -name "*.class" -type f -print0|xargs -0 rm 2>/dev/null || echo "nothing to clean"
+
+test:
+	javac -d $(OUT) $(PACKAGE_DIR)/$(MAIN_CLASS).java
+	java -cp $(OUT) $(PACKAGE).$(MAIN_CLASS)
+
+
+run/%:	$(OUT)
+	javac -d $(OUT) $(PACKAGE_DIR)/$(subst run/,,$@).java
+	java -cp $(OUT) $(PACKAGE)/$(subst run/,,$@) 
+
+compile/%:
+	javac -d $(OUT) $(PACKAGE_DIR)/$(subst compile/,,$@).java
+
+$(PACKAGE_DIR)/%.java:
+	./generate_new.sh class $(subst .java,,$(subst $(PACKAGE_DIR)/,,$@))
+
+interface/%:
+	./generate_new.sh interface package_dir=$(PACKAGE_DIR) $(subst interface/,,$@)
+	$(EDITOR) $(PACKAGE_DIR)/$(subst interface/,,$@).java
+
+work/%:	$(PACKAGE_DIR)/$(subst work/,,%).java
+	$(EDITOR) $<
+
+work:	work/$(MAIN_CLASS)
+
+save:	
+	git citool
+
+.PHONY: clean test work work/% run/% save compile/% interface/%
+
+# tried to avoid intermediate file removal : does not work
+# .SECONDARY: $(PACKAGE_DIR)/%.java 
+
+# this does work : once precious intermediate file is not removed.
+.PRECIOUS: $(PACKAGE_DIR)/%.java 
--- a/4java.makefile
+++ b/4java.makefile
@@ -0,0 +1,55 @@
+PROJECT_VERSION=`./debianize.sh getversion`
+DISTPREFIX=`./debianize.sh getproject`
+DISTJAR=$(DISTPREFIX)-$(PROJECT_VERSION).jar
+JAVAC=javac
+JAR=jar
+
+all: dist/lib/$(DISTJAR)
+
+getname:
+	@echo dist/lib/$(DISTJAR)
+
+getjavalibs:
+	@if [ -d libs ] ; then find libs/ -type f -o -type l -name "*.jar"; fi
+
+dist:
+	mkdir -p dist
+
+dist/lib/$(DISTJAR): dist
+	ant dist
+
+clean:
+	cd java; make clean
+	rm -f dist/lib/$(DISTPREFIX)*.jar
+	rm -rf build
+
+
+cleanall:	clean
+	rm -rf debian
+	rm -rf deb
+	rm -rf download
+
+debian:
+	mkdir debian
+
+deb/%:
+	mkdir -p deb
+	touch $@
+	./debianize.sh create $@
+
+debian/compat:
+	echo "10" >$@
+
+debian/%:
+	./debianize.sh create $@ >$@
+
+deb:	debian debian/rules debian/control debian/compat debian/changelog deb/javadoc deb/jlibs
+	dpkg-buildpackage -uc -us
+
+/usr/bin/emacs:
+	sudo apt-get install emacs
+
+emacsdevenv:
+
+
+.PHONY: clean all cleanall getname deb emacsdevenv work/%  interface/%
--- a/BUILD.md
+++ b/BUILD.md
@@ -3,24 +3,23 @@

 This project was done in java so it requires a java compiler to be build under an executable form.

-It is expected you already obtained content of source since you are readeing this BUILD.md
+It is expected you already obtained content of source since you are reading this BUILD.md

 within same directory as this BUILD.md :

 ```
-./init.sh
-# will create build scripts from artlog_toolbox
 # ./doit.sh
 # depends on sharedrawweb for stl export
-./fetch_dependencies.sh
+./fetch_dependencies.sh use_zstd
 ant dist
 ```

-
 Then create de .zip

 ```
 source ./specificdoit.sh; create_zip_package
 ```

-you ccan then provide and copy laby.zip to install it.
+you can then provide and copy laby.zip to install it.
+
+See README to find documentation how to install and run it.
--- a/5
+++ b/5
@@ -13,13 +13,10 @@ sous windows lancez le laby.bat

 il s'agit d'un programme java qui peut aussi être lancé avec l'interpréteur java ainsi :

-java -jar artloglaby-1.0.jar
+java -jar artloglaby-1.2.jar

 mail pl@artisanlogiciel.net

 vous pouvez le distribuer ou bien même le vendre

-ses sources sont sur https://github.com/artlog/labystl
-( et utilise aussi https://github.com/artlog/sharedrawweb )
-
 Les labyrinthes que vous sauvegardez le sont dans le répertoire lab.
--- a/Makefile.4.java
+++ b/Makefile.4.java
@@ -0,0 +1,68 @@
+PROJECT_VERSION=`./debianize.sh getversion`
+DISTPREFIX=`./debianize.sh getproject`
+DISTJAR=$(DISTPREFIX)-$(PROJECT_VERSION).jar
+JDEE_VERSION=2.4.1
+JAVAC=javac
+JAR=jar
+RHINO_VER=1_7R5
+
+all: dist/lib/$(DISTJAR)
+
+getname:
+	@echo dist/lib/$(DISTJAR)
+
+dist:
+	mkdir -p dist
+
+dist/lib/$(DISTJAR): dist
+	ant dist
+
+clean:
+	rm -f dist/lib/$(DISTPREFIX)*.jar
+	rm -rf build
+	cd java; make clean
+
+cleanall:	clean
+	rm -rf debian
+	rm -rf deb
+	rm -rf download
+	@( [ -d ~/.emacs.d/jdee-$(JDEE_VERSION) ] && echo "DON'T remove installed ~/.emacs.d/jdee-$(JDEE_VERSION). To remove jdee do 'make removejdee'" ) || true
+
+debian:
+	mkdir debian
+
+deb/%:
+	mkdir -p deb
+	touch $@
+	./debianize.sh create $@
+
+debian/compat:
+	echo "10" >$@
+
+debian/%:
+	./debianize.sh create $@ >$@
+
+deb:	debian debian/rules debian/control debian/compat debian/changelog deb/javadoc deb/jlibs deb/format
+	./buildsourcetree.sh
+
+/usr/bin/emacs:
+	sudo apt-get install emacs
+
+download/jdee-bin-$(JDEE_VERSION).tar.bz2:
+	mkdir -p download; cd download; wget http://sourceforge.net/projects/jdee/files/jdee/$(JDEE_VERSION)/jdee-bin-$(JDEE_VERSION).tar.bz2
+
+~/.emacs.d/jdee-$(JDEE_VERSION): /usr/bin/emacs download/jdee-bin-$(JDEE_VERSION).tar.bz2
+	mkdir -p ~/.emacs.d; tar -xjf download/jdee-bin-$(JDEE_VERSION).tar.bz2 -C ~/.emacs.d
+	echo "(add-to-list 'load-path \"~/.emacs.d/jdee-$(JDEE_VERSION)/lisp\")\n(load \"jde\")" >>~/.emacs.d/init.el
+
+emacsdevenv: ~/.emacs.d/jdee-$(JDEE_VERSION)
+
+removejdee:
+	rm -rf ~/.emacs.d/jdee-$(JDEE_VERSION)
+	sed -i -n -e "/^(add-to-list 'load-path \"~\/\.emacs\.d\/jdee-$(JDEE_VERSION)\/lisp\")$$/d" -e "/^(load \"jde\")$$/d" -e"/^.*$$/p" ~/.emacs.d/init.el
+
+download/rhino$(RHINO_VER).zip:
+	mkdir -p download
+	cd download; wget https://github.com/mozilla/rhino/releases/download/Rhino$(RHINO_VER)_RELEASE/rhino$(RHINO_VER).zip
+
+.PHONY: clean all cleanall getname deb emacsdevenv removejdee
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,2 +0,0 @@
-SUBDIRS = c
-dist_doc_DATA = README
--- a/README.md
+++ b/README.md
@@ -1,12 +1,11 @@
+# This is a personal project to generate a 2D maze using in depth path generation.

-This is a personal project to generate a 2D maze using in depth path generation.
+This can generate a stl file, overall goal was to print it with a 3D printer.

-Download the 'latest' laby.zip containing java jar from my blog http://blog.artisanlogiciel.net/public/tech/laby.zip
-
-this can generate a stl file, overall goal was to print it with a 3D printer.
 After years i finaly printed one maze, find it at https://www.thingiverse.com/thing:2814655

 This is the very first usable part.
+
 It was developped under debian 7/8 but since it is java based it might be very easily recompiled or even just copied on other platform.

 There is a console gui menu based with ./doit.sh
@@ -15,12 +14,31 @@ requirement : you need a java jdk environment installed ( java + javac ) and ant

 ex ubuntu : sudo apt-get install default-jdk ant

-===== BUILD =====
+It can take various input
+
+  * raw this tool raw format : see documentation raw
+  * imc esoteric internal format
+  * Drawing ?
+  * osm openstreetmap exported map
+  * we  minetest/luanti world edit format
+  * Auto-generated
+  * Created through GUI
+
+and output
+
+  * svg SVG / to handle with inkscape 
+  * png 
+  * raw this tool raw format : see documentation raw
+  * stl for 3d printers
+  * imc esoteric internal format
+  * txt labyrinth as text
+  * we minetest/luanti world edit format
+
+## BUILD

 See BUILD.md

-
-===== INSTALL =====
+## INSTALL

 obtain laby.zip directly build or from you own build ( see BUILD above ).

@@ -30,11 +48,10 @@ unzip laby.zip

 it will create  a artloglaby directory.

-===== RUN =====
+## RUN

 run it on a Linux distribution with :

-
 ```
 cd artloglaby ; ./laby.sh
 ```
--- a/12
+++ b/12
@@ -1,12 +0,0 @@
-
-java/
-
-java sources
-
-java/org/artisanlogiciel/games
-
-java sources for package org.artisanlogiciel.games respect of java directory naming convention of files
-
-java/org/artisanlogiciel/games/Main.java
-
-Main Java entry point for this program
--- a/bootstrapbuild.sh
+++ b/bootstrapbuild.sh
@@ -1,23 +0,0 @@
-#!/bin/bash
-
-if [[ ! -f configure.ac ]]
-then
-    echo "[ERROR] Missing configure.ac . Please create one " >&2
-    exit 1
-fi
-
-if which autoreconf
-then
-
-    echo "bootstrap using automake tools"
-    echo "from configure.ac will generate configure"
-
-    autoreconf --install
-
-    echo "lauch ./configure && make"
-
-else
-
-    echo "[ERROR] Missing autoreconf script from autotools. Please install autotools ( package autotools-dev and autoreconf" >&2
-
-fi
--- a/build.xml
+++ b/build.xml
@@ -10,8 +10,10 @@
  <property name="src" location="java"/>
  <property name="build" location="build"/>
  <property name="dist"  location="dist"/>
-  <!-- Fill me please / todo -->
-  <property name="artgraphicslib" value="artgaphics-0.2.0"/>
+  <!-- Fill me please / todo 
+       see fetch_dependencies
+  -->
+  <property name="zstd-jnilib" value="zstd-jni-1.5.7-6"/>
  <target name="gather_project_params">
    <!-- original source parameter is in project_params project_version -->
    <loadfile property="distversion" srcfile="${basedir}/project_params">
@@ -38,7 +40,7 @@
  <target name="compile" depends="init"
        description="compile the source " >
    <!-- Compile the java code from ${src} into ${build} -->
-    <javac srcdir="${src}" destdir="${build}" includeantruntime="false" classpath="libs/${artgraphicslib}.jar">
+    <javac srcdir="${src}" destdir="${build}" includeantruntime="false" classpath="libs/${zstd-jnilib}.jar">
      <exclude name="org/artisanlogiciel/games/javafx/*"/>
      <compilerarg value="-Xlint:deprecation,unchecked" />
    </javac>
--- a/c/Makefile.am
+++ b/c/Makefile.am
@@ -1,12 +0,0 @@
-# Makefile.am is REALLY where changes should be done
-# Makefile.in and Makefile are generated from this.
-
-bin_PROGRAMS = laby
-
-laby_SOURCES =  allaby_reader.c allaby_main.c
-
-laby_CPPFLAGS = $(ARTLOG_CPPFLAGS) $(ALEXPANDER_CPPFLAGS)
-
-# in LDADD and not in LDFLAGS to be linked AFTER 
-laby_LDADD = $(ARTLOG_LDFLAGS) $(ALEXPANDER_LDFLAGS)
-
--- a/c/allaby_main.c
+++ b/c/allaby_main.c
@@ -1,17 +0,0 @@
-#include "al_options.h"
-
-// NOT YET IMPLEMENTED
-int main(int argc, char ** argv)
-{
-  int exitcode = 1;
-  struct al_options * options = al_options_create(argc,argv);
-  al_options_set_debug(options,0);
-  struct alhash_datablock * debugdata = al_option_get(options,"debug");
-  if ( debugdata != NULL )
-    {
-      exitcode = 0;
-    }
-  al_options_release(options);
-  
-  return exitcode;
-}
--- a/c/allaby_reader.c
+++ b/c/allaby_reader.c
@@ -1,2 +0,0 @@
-#include "allaby_reader.h"
-
--- a/c/allaby_reader.h
+++ b/c/allaby_reader.h
@@ -1,9 +0,0 @@
-#ifndef __ALLABY_READER_H__
-#define __ALLABY_READER_H__
-
-/** goal : read a labyrinth/maze created 
-by java laby project 
-**/
-
-
-#endif // __ALLABY_READER_H__
--- a/clones.dep
+++ b/clones.dep
@@ -1 +1 @@
-sharedrawweb artlog_toolbox
+sharedrawweb
--- a/configure.ac
+++ b/configure.ac
@@ -1,37 +0,0 @@
-# written manually, this is root entry files for automake together with Makefile.am
-# inspired from
-# http://www.gnu.org/software/automake/manual/html_node/Creating-amhello.html#Creating-amhello
-
-AC_INIT([allaby], [0.1], [pl@artisanlogiciel.net])
-
-# set ARTLOG_TOOLBOX where artlog_toolbox is to use it.
-[ARTLOG_TOOLBOX=`pwd`/`./locate_artlog_toolbox.sh`]
-
-# non need to propagate it in .h ...
-# AC_DEFINE_UNQUOTED([ARTLOG_TOOLBOX],["$ARTLOG_TOOLBOX"],[where artog toolbox is])
-
-ARTLOG_CPPFLAGS="-I${ARTLOG_TOOLBOX}/build/include"
-ARTLOG_LDFLAGS="-Wl,-Bstatic -L${ARTLOG_TOOLBOX}/build/lib -lalsave -laltest -laljson -lalstack -lalhash -laldev -Wl,-Bdynamic"
-
-AC_SUBST(ARTLOG_CPPFLAGS)
-AC_SUBST(ARTLOG_LDFLAGS)
-
-[if [ "$ALEXPANDER_DIR" = "" ]]
-[then]
-[ALEXPANDER_DIR=`pwd`/../sharedrawweb]
-[fi]
-ALEXPANDER_CPPFLAGS="-I${ALEXPANDER_DIR}/build/include -D CHARSPERRECORD=80"
-ALEXPANDER_LDFLAGS="-Wl,-Bstatic -L${ALEXPANDER_DIR}/build/lib -lalima -lalcommon -Wl,-Bdynamic"
-
-AC_SUBST(ALEXPANDER_CPPFLAGS)
-AC_SUBST(ALEXPANDER_LDFLAGS)
-
-AM_INIT_AUTOMAKE([-Wall -Werror foreign])
-AC_PROG_CC
-AC_CONFIG_HEADERS([config.h])
-AC_DEFINE([MAX_FLAT_VIEWS],[20],[maximum number of view])
-AC_CONFIG_FILES([
- Makefile
- c/Makefile
-])
-AC_OUTPUT
--- a/copytominetest.sh
+++ b/copytominetest.sh
@@ -0,0 +1,57 @@
+#!/bin/bash
+# SPDX-FileCopyrightText: 2025 artlog@l0g.eu
+# SPDX-License-Identifier: AGPL-3.0-or-later
+# header generated by lib/metascript.sh header
+# metascript_version=v1.0.0
+
+toolsdir=lib
+pushd $toolsdir >/dev/null
+toolsdir=$(pwd)
+source metascript.sh
+popd >/dev/null
+
+usage() {
+    cat <<EOF
+copy a .we generated lab into minetest local game directory
+
+name=name of generated .we without extension
+game=name of game
+
+EOF
+}
+metarun=metarun
+# change default to sudo if needed
+# metasudo=sudo
+
+name="$1.we"
+srcdir="lab/"
+game="nm"
+
+while [[ $# > 0 ]]
+do
+    case "$1" in
+	name=*)
+	    name=${1/name=}.we
+	    ;;
+	game=*)
+	    game=${1/game=}
+	    ;;
+        *)
+           parsemetaarg "$1"
+        ;;
+    esac
+    shift
+done
+
+dest=~/.minetest/worlds/$game/schems
+src=${srcdir}$name
+
+enforce file $src exists
+enforce dir $dest exists
+
+if [[ -f $src ]]
+then
+    $defer cp $src $dest/
+else
+    log_error "missing $src"
+fi
--- a/debianize.sh
+++ b/debianize.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+
+action=$1
+file=$2
+
+maintainer="Artlog <pl@artisanlogiciel.net>"
+
+if [[ $action == getversion ]]
+then
+    source ./project_params
+    echo $project_version
+elif [[ $action == getproject ]]
+then
+    source ./project_params
+    echo $project_name
+elif [[ $action =~ get([_a-z]*)$ ]]
+then
+    getvar=${BASH_REMATCH[1]}
+    source ./project_params
+    eval "echo \$$getvar"
+elif [[ $action == create ]]
+then
+    source ./project_params
+
+    if [[ $file == debian/control ]]
+    then
+    
+    cat <<EOF
+Source: ${project_name}-java
+Priority: extra
+Maintainer: $maintainer
+Build-Depends: debhelper (>= 7.0.50~), javahelper (>=0.25)
+Build-Depends-Indep: default-jdk, default-jdk-doc, libtrove-java, libtrove-java-doc, ant
+Standards-Version: ${project_version}
+Section: java
+
+Package: ${project_name}-java
+Architecture: all
+Depends: \${java:Depends}, \${misc:Depends}
+Recommends: \${java:Recommends}
+Description: Labyrinth generator
+  Labyrinth generator
+
+Package: ${project_name}-java-doc
+Architecture: all
+Depends: \${java:Depends}, \${misc:Depends}
+Recommends: \${java:Recommends}
+Description: Labyrinth generator (documentation)
+ Labyrinth generator
+EOF
+    elif [[ $file = debian/changelog ]]
+    then
+    cat <<EOF
+${project_name}-java (${project_version}) unstable; urgency=low
+
+  * Initial debian package
+
+ -- ${maintainer}  $(LANG=C date -R)
+EOF
+    elif [[ $file = debian/rules ]]
+    then
+	cat <<EOF
+#!/usr/bin/make -f
+JAVA_HOME=/usr/lib/jvm/default-java
+
+%:
+	dh \$@ --with javahelper
+EOF
+    elif [[ $file = deb/javadoc ]]
+    then
+	echo "api /usr/share/doc/${project_name}-java/api" >debian/${project_name}-java-doc.javadoc
+    elif [[ $file = deb/jlibs ]]
+    then
+	echo "dist/lib/${project_name}-${project_version}.jar" >debian/${project_name}-java.jlibs
+    fi
+fi
--- a/6
+++ b/6
@@ -1,3 +1,3 @@
-DEV_ENV=~/artisanlogiciel/devel_tools
-JDK_PATH=~/artisanlogiciel/devel_tools/jdk1.8.0_74
-ECLIPSE_PATH=~/artisanlogiciel/devel_tools/eclipse
+DEV_ENV=~/home/plhardy/clients/artlog/code/laby/devel_tools
+JDK_PATH=/usr/lib/jvm/java-11-openjdk-amd64
+ECLIPSE_PATH=/snap/bin
--- a/doit.sh
+++ b/doit.sh
@@ -0,0 +1,393 @@
+#!/bin/bash
+# entry point for project building / editing / running
+
+# this specific_run is intended to be overriden by specific_doit.sh script if any.
+function specific_run()
+{
+    echo "[ERROR] '$1' command is not supported in a generic manner" >&2
+}
+
+# within a list of files $1 $2 ... find the first that exists and set variable found_best to it.
+find_best()
+{
+    while [[ $# > 0 ]]
+    do
+	if [[ -f $1 ]]
+	then
+	    found_best=$1
+	    return
+	fi
+	shift
+    done
+}
+
+# $1 variable $2 value
+save_parameter()
+{
+    echo "$1=\"$2\"" >> .params
+}
+
+info()
+{
+    if [[ -z $NOJAVA ]]
+    then
+	echo "DEV_ENV=$DEV_ENV"
+	echo "JDK_PATH=$JDK_PATH"
+	echo "ECLIPSE_PATH=$ECLIPSE_PATH"
+	echo "PATH=$PATH"
+	java -version
+    else
+	echo "NOJAVA is set to $NOJAVA"
+    fi
+}
+
+setup()
+{
+    if [[ -z $NOJAVA ]]
+    then
+	if [[ ! -d java ]]
+	then
+	    echo "[INFO] Missing java directory." >&2
+	fi
+    fi
+}
+
+do_code()
+{
+    if [[ -z $NOJAVA ]]
+    then
+	background=$1
+	local jd=()
+	local id=()
+	local menu=()
+	index=0
+	# find all java source file within current directory and populate jd array with. even if java is a link ( -H option ).
+	for java_dir in $(find -H java -name '*.java' -exec dirname {} \; | sort -u)
+	do
+	    index=$((index+1))
+	    id+=($index)
+	    jd+=("$java_dir")
+	    menu+=($index "$java_dir")
+	done
+	echo "found ${#jd[@]} java source directories"
+	if [[ ${#jd[@]} -gt 1 ]]
+	then
+	    echo "${jd[@]}"
+	    # menu <text> <height> <width> <listheight> <tag[1]> <name[1]> ... <tag[n]> <name[n]>
+	    index_dir=$($DIALOG --menu "Select dir" 20 100 10 ${menu[@]} 3>&1 1>&2 2>&3)
+	    if [[ ! $? ]]
+	    then
+		echo "[ERROR] $DIALOG --menu did fail when requesting choice over java directories" >&2
+		exit 1
+	    fi
+	fi
+	java_dir=${jd[$((index_dir-1))]}
+	if [[ ! -d $java_dir ]]
+	then
+	    echo "$java_dir is not a directory" >&2
+	    return
+	fi
+	echo "chose dir $java_dir"
+	find $java_dir -maxdepth 1 -name '*.java' |
+	    {
+		local s=()
+		while read codeline
+		do
+		    javafile=$(basename "$codeline")
+		    javaclass=${javafile/.java/}
+		    echo "$javafile $javaclass"
+		    s+=("$javaclass" "$codeline")
+		done
+		javaclass=$($DIALOG --menu "Edit it" 20 100 10 ${s[@]} 3>&1 1>&2 2>&3)
+		if [[ -n $javaclass ]]
+		then
+		    if [[ $background == codebg ]]
+		    then
+			${EDITOR} $java_dir/$javaclass.java &
+		    else
+			${EDITOR} $java_dir/$javaclass.java
+		    fi
+		fi
+	    }
+    else
+	echo "NOJAVA set"
+    fi
+}
+
+edit_properties()
+{
+    local property_file=$1
+    if [[ -f $property_file ]]
+    then
+	modified=0
+	s=()
+	properties=()
+	values=()
+	{
+	    while read codeline
+	    do
+		if [[ $codeline =~ (^[a-zA-Z_]*)=(.*) ]]
+		then
+		    property=${BASH_REMATCH[1]}
+		    value=${BASH_REMATCH[2]}
+		    s+=("$property" "$value")
+		    properties+=("$property")
+		    values+=("$value")
+		fi
+	    done
+	    s+=(exit "Exit")
+	} < $property_file
+	
+	while true 
+	do
+	    property=$($DIALOG --menu "Edit '$property_file'" 20 100 10 ${s[@]} 3>&1 1>&2 2>&3)
+	    if [[ $? = 0 ]]
+	    then
+		if [[ -n $property ]]
+		then
+		    if [[ $property == exit ]]
+		    then
+			return 1
+		    elif [[ $property == save ]]
+		    then
+			for  (( i=0; i<${prop_len}; i++ ));
+			do
+			    echo "${properties[$i]}=${values[$i]}"
+			done >$property_file
+			return 0
+		    fi
+		    prop_len="${#properties[@]}"
+		    for  (( i=0; i<${prop_len}; i++ ));
+		    do
+			if [[ ${properties[$i]} == $property ]]
+			then
+			    init_value=${values[$i]}
+			fi
+		    done
+		    value=$($DIALOG --inputbox "Enter $property value" 10 80 "$init_value" 3>&1 1>&2 2>&3)
+		    if [[ $? = 0 ]]
+		    then
+			prop_len="${#properties[@]}"
+			s=()
+			if [[ "$value" != "$init_value" ]]
+			then
+			    modified=$(( modified + 1 ))
+			fi
+			for  (( i=0; i<${prop_len}; i++ ));
+			do
+			    if [[ ${properties[$i]} == $property ]]
+			    then
+				values[$i]=$value
+			    fi
+			    s+=("${properties[$i]}" "${values[$i]}")
+			    echo "${properties[$i]}=${values[$i]}"
+			done
+			s+=(exit "Exit")
+			if [[ $modified != 0 ]]
+			then
+			    s+=(save "Save")
+			fi
+		    fi
+		fi
+	    else
+		return 2
+	    fi
+	done
+    else
+	echo "[ERROR] property_file '$propertyfile' not found" >&2
+    fi
+
+}
+
+specific_menus=()
+
+if [[ -f ./specificdoit.sh ]]
+then
+    source ./specificdoit.sh
+fi
+
+if [[ -f .params ]]
+then
+    source .params
+    if [[ -n $DIALOG ]]
+    then
+	if [[ ! -x $DIALOG ]]
+	then
+	    echo "[ERROR] DIALOG=$DIALOG dialog tool not executable" >&2
+	    exit 1
+	fi
+    fi
+fi
+
+LOG_OUTFILE=.log
+
+if [[ -z $DIALOG ]]
+then
+    echo "[INFO] detecting dialog program"
+    
+    possible_console_gui="whiptail dialog"
+    
+    for DIALOG in $possible_console_gui
+    do
+	DIALOG=$(which $DIALOG)
+	if [[ -x $DIALOG ]]
+	then
+	    $DIALOG --menu "Ultra Light IDE" 20 80 2 "select me to validate $DIALOG " justfortest
+	    rc=$?
+	    if [[ $rc != 0 ]]
+	    then
+		echo "[ERROR] $DIALOG return code $rc : can't use it" >&2
+	    else
+		break
+	    fi
+	fi
+    done
+
+    if [[ -z $DIALOG ]]
+    then
+	echo "[ERROR] no console gui support (no dialog tool found within $possible_console_gui)  => no menus " >&2
+	echo "[INFO] this can happen under emacs within shell or eshell, please use term then"
+	exit 1
+    fi
+
+    save_parameter DIALOG "$DIALOG"
+fi
+
+possible_editor="emacs vi nano"
+
+for EDITOR in $possible_editor
+do
+    EDITOR=$(which $EDITOR)
+    if [[ -x $EDITOR ]]
+    then
+	break
+    fi
+done
+
+if [[ -z $EDITOR ]]
+then
+    echo "[ERROR] no editor found (within $possible_editor)  => no editing " >&2
+fi
+
+setup
+
+action=initial
+# count successives failures.
+failed_commands_count=0
+
+while [[ $action != quit ]]
+do
+    # should detect that dialog failed
+    if [[ -z $NOJAVA ]]
+    then
+	# should be cleaned up from specific laby project targets.
+	action=$($DIALOG --menu "Ultra Light IDE" 20 80 12 readme "Read me" clean "Clean All" ant "Ant build" run "Run it"  ${specific_menus[@]} test "Test it" code "Code" codebg "Code in background" deb "Debian package" properties "Edit Properties" create "Create a new class" info "Info" logs "Logs" quit "Quit" 3>&1 1>&2 2>&3)	
+    else
+	action=$($DIALOG --menu "Ultra Light IDE" 20 80 12 readme "Read me" clean "Clean All" run "Run it"  test "Test it" ${specific_menus[@]} code "Code" codebg "Code in background" deb "Debian package" properties "Edit Properties" info "Info" logs "Logs" quit "Quit" 3>&1 1>&2 2>&3)
+    fi    
+
+    rc=$?
+    if [[ $rc == 0 ]]
+    then
+	failed_commands_count=0
+    else
+	failed_commands_count=$(( failed_commands_count + 1 ))
+    fi
+    if (( $failed_commands_count > 10 ))
+    then
+	echo "[ERROR] more than 10 successive failures ( $failed_commands_count > 10 )" >&2
+	echo "[INFO] Check if your environment supports $DIALOG"	
+	action=quit
+    fi    
+    
+    if [[ $action == run ]]
+    then
+	if [[ -z $NOJAVA ]]
+	then
+	    echo "run it"
+	    {
+		source ./project_params
+		javalibs=$(make -f ${JAVA_MAKEFILE} getjavalibs|awk '{ printf "%s:",$1 }')
+		mainlib=$(make -f ${JAVA_MAKEFILE} getname)
+		javarun="java -cp $mainlib:$javalibs $project_mainclass"
+		echo $javarun
+		$javarun
+	    }
+	else
+	    make
+	fi
+    elif [[ $action == ant ]]
+    then
+	make -f ${JAVA_MAKEFILE} clean
+	make -f ${JAVA_MAKEFILE}
+	ant compile >>.log 2>&1
+    elif [[ $action == clean ]]
+    then
+	if [[ -z $NOJAVA ]]
+	then
+	    make -f ${JAVA_MAKEFILE} clean
+            pushd java
+	    make  clean
+	    popd
+	else
+	    make clean
+	fi
+    elif [[ $action == test ]]
+    then
+	if [[ -z $NOJAVA ]]
+	then
+	    echo "test it"
+	    pushd java
+	    make display
+	    popd
+	else
+	    make test
+	fi
+    elif [[ $action == deb ]]
+    then
+	make -f ${JAVA_MAKEFILE} deb
+    elif [[ $action =~ code ]]
+    then
+	do_code $action
+    elif [[ $action == readme ]]
+    then
+	found_best=
+	find_best README README.md
+	if [[ -n $found_best ]]
+	then
+	    $DIALOG --textbox $found_best 40 80 --scrolltext
+	else
+	    echo "no README or README.md found" >&2
+	fi
+    elif [[ $action == properties ]]
+    then
+	edit_properties project_params
+    elif [[ $action == create ]]
+    then
+	newclass=$($DIALOG --inputbox "Enter new class name" 10 80 "NewClass" 3>&1 1>&2 2>&3)
+	if [[ $? = 0 ]]
+	then
+	    if [[ -n $newclass ]]
+	    then
+		MAIN_CLASS=Main PACKAGE=$(./debianize.sh getproject_mainpackage) make -f 4create.makefile work/$newclass
+	    fi
+	fi
+    elif [[ $action == info ]]
+    then
+	infos=$(mktemp)
+	info >$infos
+	$DIALOG --textbox $infos 40 80 --scrolltext
+	rm $infos
+    elif [[ $action == logs ]]
+    then
+	if [[ -f .log ]]
+	then
+	    $DIALOG --textbox .log 40 80 --scrolltext
+	fi
+    elif [[ $action == quit ]]
+    then
+	echo "[INFO] quit requested"
+    else	
+	specific_run $action
+    fi
+done
--- a/eclipse_env.sh
+++ b/eclipse_env.sh
@@ -0,0 +1,137 @@
+#!/bin/bash
+# for the story this comes from a JavaFX training i attended
+
+usage()
+{
+    cat <<EOF
+Usage $0:
+setup_dev_env: create file devenv_params with reference over jdk and eclipse path
+    
+any other argument is an error
+no argument => launch eclipse
+EOF
+
+}
+create_dev_params()
+{
+    if [[ -e devenv_params ]]
+    then
+	echo " devenv_params already exists"
+	exit 1
+	# could update this way
+	# source devenv_params
+    else
+	if [[ -z $DEV_ENV ]]
+	then
+	    echo "[ERROR] DEV_ENV $DEV_ENV not set, call setup_eclipse_dir from this '$0' script"
+	    exit 1
+	fi
+	cat >devenv_params <<EOF
+DEV_ENV=$DEV_ENV
+JDK_PATH=$JDK_PATH
+ECLIPSE_PATH=$ECLIPSE_PATH
+EOF
+    fi
+}
+
+setup_eclipse_dir()
+{
+    if [[ -e devenv_params ]]
+    then
+	source devenv_params
+    else
+	echo "[WARNING] Use some defaults for devenv_params"
+	echo "[INFO] please adapt them. Current setup should be compatible with 'sudo snap install eclipse --classic' setup"
+	DEV_ENV=~$(pwd)/devel_tools
+	JDK_PATH=/usr/lib/jvm/java-11-openjdk-amd64
+	ECLIPSE_PATH=$(dirname $(which eclipse))
+    fi
+}
+
+# Not tested written after install ...
+setup_eclipse()
+{
+    # current list of TGZ got from oracle (tm)
+    TGZ_LIST="eclipse-jee-mars-2-linux-gtk-x86_64.tar.gz javafx_scenebuilder-2_0-linux-x64.tar.gz jdk-8u74-linux-x64.tar.gz"   
+}
+
+check_eclipse()
+{
+    if [[ -z $JDK_PATH ]]
+    then
+	echo "[ERROR] Missing JDK_PATH, either devenv_params is wrong or missing" >&2
+	exit 1
+    fi
+    if [[ -z $ECLIPSE_PATH ]]
+    then
+	echo "[ERROR] Missing ECLIPSE_PATH, either devenv_params is wrong or missing" >&2
+	exit 1
+    fi
+    if [[ ! -d $JDK_PATH ]]
+    then
+	echo "[ERROR] Missing JDK_PATH '$JDK_PATH'" >&2
+    fi
+    
+    if [[ ! -d $ECLIPSE_PATH ]]
+    then
+	ls -la ${DEV_ENV}
+	
+	echo "[ERROR] Missing ECLIPSE_PATH '$ECLIPSE_PATH'" >&2
+	exit 1
+    fi
+
+}
+
+# not yet used ...
+create_sandbox()
+{
+    mkdir sandbox
+}
+
+check_java_version() {
+    local expected_version='1.8.0'
+    if java -version 2>&1 | grep "$expected_version"
+    then
+	if javac -version 2>&1 | grep "$expected_version"
+	then
+	    $*
+	else
+	    echo "[ERROR] Wrong javac version expected $expected_version" >&2
+	fi
+    else
+	echo "[ERROR] Wrong java version expected $expected_version" >&2
+    fi
+}
+
+# overrides PATH with JDK_PATH ECLIPSE_PATH
+# and check java is the right one to launch eclipse
+run_in_sandbox()
+{
+    PATH=$JDK_PATH/bin/:$JDK_PATH/jre/bin/:$ECLIPSE_PATH:$PATH
+
+    export PATH
+
+    [[ -n $check_version ]] && check_java_version
+}
+
+while [[ $# > 0 ]]
+do
+    case $1 in
+	setup_dev_env)
+	    setup_eclipse_dir
+	    create_dev_params
+	    exit 0
+	    ;;
+	*)
+	    echo "[ERROR] Unrecognized argument '$1'" >&2
+	    usage
+	    exit 1
+	    ;;
+    esac
+    shift 1
+done
+
+setup_eclipse_dir
+check_eclipse
+run_in_sandbox eclipse -data $(pwd)/workspace
+
--- a/fetch_dependencies.sh
+++ b/fetch_dependencies.sh
@@ -1,63 +1,118 @@
 #!/bin/bash
+# SPDX-FileCopyrightText: 2025 artlog@l0g.eu
+# SPDX-License-Identifier: AGPL-3.0-or-later
+# header generated by lib/metascript.sh header
+# metascript_version=v1.0.0

-log_any()
-{
-    echo "$@" >&2
+toolsdir=lib
+pushd $toolsdir >/dev/null
+toolsdir=$(pwd)
+source metascript.sh
+popd >/dev/null
+
+usage() {
+    cat <<EOF
+    $0 use_jackson|use_zstd|use_artgraphic
+EOF
 }

-log_error()
-{
-    log_any "[ERROR] $@"
-}
-
-log_info()
-{
-    log_any "[INFO] $@"
-}
-
-
 fetch_jackson_databind()
 {
    lib_jackson_databind=jackson-databind-${libversion_jackson_databind}.jar
    if [[ ! -e libs/$lib_jackson_databind ]]
    then
 	jacksonmaven=https://repo1.maven.org/maven2/com/fasterxml/jackson/core/jackson-databind/${libversion_jackson_databind}/$lib_jackson_databind
-	pushd libs
-	wget $jacksonmaven
-	popd
+	$defer pushd libs
+	$metarun wget $jacksonmaven
+	$defer popd
    fi    
 }

+fetch_zstd-jni()
+{
+    # echo "compiled from https://github.com/luben/zstd-jni commit 54d3d50c16d96bd8a30e2d4c0a9648001a52d6f9"
+    # had to hack through jar generation ...
+    # cp ~/artisanlogiciel/ext_projects/java/zstd-jni/target/zstd-jni-1.5.2-2.jar .
+    maven_repo=https://repo1.maven.org/maven2/
+    package_path=com/github/luben/zstd-jni/
+    # https://repo1.maven.org/maven2/maven-metadata.xml
+    latest=$(curl -s ${maven_repo}${package_path}maven-metadata.xml | xmllint --xpath 'string(metadata/versioning/latest)' -)
+    log_info "latest version : $latest"
+    zstdjni=$(xmllint --xpath 'string(/project/property[@name="zstd-jnilib"]/@value)' build.xml)    
+    if [[ -n $zstdjni ]]
+    then
+	$defer pushd libs
+	libversion_zstdjni=${zstdjni/zstd-jni-}
+	$metarun curl ${maven_repo}${package_path}${libversion_zstdjni}/${zstdjni}.jar -o ${zstdjni}.jar
+	$defer popd
+    else
+	log_error 'no /project/property[@name="zstd-jnilib"]/@value) found in build.xml'
+    fi
+}

+# HARDCODED START
 libversion_jackson_databind=2.12.0
-sharedrawweb_git_url="ssh://philippe@www4.artisanlogiciel.net:2023/home/philippe/artisanlogiciel/code/sharedrawweb"
+sharedrawweb_git_url="https://framagit.org/artlog/sharedrawweb.git"
 libversion_artgaphic=0.2.0
+# HARDCODED END
 lib_artgaphic=artgaphics-${libversion_artgaphic}.jar

-if [[ ! -d ../sharedrawweb ]]
-then
-    log_error "expected a sharedrawweb project parent ( for exports ). Please clone related project."
-    log_info "cd ..; git clone $sharedrawweb_git_url"
-fi
+metarun=metarun
+# change default to sudo if needed
+# metasudo=sudo
+
+while [[ $# > 0 ]]
+do
+    case "$1" in
+	use_jackson)
+	    use_jackson=$1	    
+	    ;;
+	use_zstd)
+	    use_zstd=$1
+	    ;;
+	use_artgraphic)
+	    use_artgraphic=$1
+	    ;;
+        *)
+           parsemetaarg "$1"
+        ;;
+    esac
+    shift
+done
+

 if [[ ! -d libs ]]
 then
-    mkdir libs
+    $metarun mkdir libs
 fi

-if [[ ! -e libs/$lib_artgaphic ]]
+if [[ -n $user_artgraphic ]]
 then
-    lib_artgaphic_source_file=../sharedrawweb/dist/lib/$lib_artgaphic
-    if [[ -f $lib_artgaphic_source_file ]]
+    if [[ ! -d sharedrawweb ]]
    then
-	# ../ since libs is one level below current project
-	ln -s ../$lib_artgaphic_source_file libs/
-    else
-	log_error "Missing $lib_artgaphic_source_file. It is require to build it sharedrawweb project first"
+	log_error "expected a sharedrawweb project parent ( for exports ). Please clone related project."
+	log_info "git clone $sharedrawweb_git_url sharedrawweb"
+    fi
+    if [[ ! -e libs/$lib_artgaphic ]]
+    then
+	lib_artgaphic_source_file=sharedrawweb/dist/lib/$lib_artgaphic
+	if [[ -f $lib_artgaphic_source_file ]]
+	then
+	    # ../ since libs is one level below current project
+	    $metarun ln -s ../$lib_artgaphic_source_file libs/
+	else
+	    log_error "Missing $lib_artgaphic_source_file"
+	    log_info "It is required to build sharedrawweb project first"
+	fi
    fi
 fi

 if [[ -n $use_jackson ]]
-then    
+then
    fetch_jackson_databind
 fi
+
+if [[ -n $use_zstd ]]
+then
+    fetch_zstd-jni
+fi
--- a/generate_new.sh
+++ b/generate_new.sh
@@ -0,0 +1,209 @@
+#!/bin/bash
+# generate empty templates or add functions given a defined language
+
+usage()
+{
+    head -n 2
+}
+
+generate_java_class()
+{
+    cat <<EOF >$JAVA_FILE
+package $PACKAGE;
+
+/**
+ $CLASS was autogenerated by $TOOLP
+ **/
+public $ctype $CLASS
+{
+    Object param;
+
+    $CLASS(Object param)
+    {
+       this.param=param;
+    }
+
+    void method()
+    {
+       System.out.println("Method of $PACKAGE.$CLASS");
+    }
+
+  public static void main(String args[]) {
+    if ( args.length > 1 )
+    {
+      $CLASS instance=new $CLASS(args[1]);
+      instance.method();
+    }
+    else 
+    {
+      System.err.println("Missing argument for $CLASS");
+    }
+  }
+}
+EOF
+}
+
+generate_java_interface()
+{
+cat <<EOF >$JAVA_FILE
+package $PACKAGE;
+
+/**
+ $CLASS was autogenerated by $TOOLP
+ **/
+public $ctype $CLASS
+{
+    /**
+       @return X
+    */
+    int getX();
+
+    /**
+       @return Y
+    */
+    int getY();
+}
+EOF
+}
+
+add_new_c_main()
+{
+    cat <<EOF >>$C_FILE
+# autogenerated by $TOOLP
+int main(int argc, char **argv)
+{
+    todo(\"Code this\");
+    return 0;
+}
+EOF
+}
+
+add_new_c_function()
+{
+    echo "[INFO] add new c function $FUNCTION in h_file=$H_FILE and c_file=$C_FILE"
+    if [[ $FUNCTION == main ]]
+    then
+	add_new_c_main
+    else	
+    cat <<EOF >>$H_FILE
+# autogenerated by $TOOLP
+int $FUNCTION();
+EOF
+    cat <<EOF >>$C_FILE
+# autogenerated by $TOOLP
+int $FUNCTION(){
+    todo(\"Code this $FUNCTION\");
+    return -2;
+}
+EOF
+    fi
+}
+
+#TODO : support "like=" to copy/renaming an existing class
+
+TOOLP="$0 $*"
+
+ctype=class
+genlang=java
+
+while [[ $# > 0 ]]
+do
+    case $1 in
+	class|interface)
+	    ctype=$1
+	    ;;
+	package=*)
+	    PACKAGE=${1/package=/}
+	    ;;
+	package_dir=*)
+	    PACKAGE_DIR=${1/package=/}
+	    PACKAGE=${PACKAGE//\//\.}
+	    ;;
+	genlang=*)
+	    genlang=${1/genlang=/}
+	    ;;
+	class=*)
+	    CLASS=${1/class=/}
+	    ;;
+	function=*)
+	    FUNCTION=${1/function=/}
+	    ;;
+	c_file=*)
+	    C_FILE=${1/c_file=}
+	    ;;
+	h_file=*)
+	    H_FILE=${1/h_file=}
+	    ;;	
+	*)
+	    if [[ -z $CLASS ]]
+	    then
+		CLASS=${1}
+		echo "[INFO] setting class=$CLASS" >&2
+	    else		
+		echo "[ERROR] unrecognized parameter $1" >&2
+	    fi
+	    ;;
+    esac
+    shift 1
+done
+
+
+if [[ $genlang == java ]]
+then
+
+    if [[ -z $PACKAGE ]]
+    then
+	echo "[INFO] obtain package name from project settings"
+	PACKAGE=$(./debianize.sh getproject_mainpackage)
+	if [[ -z $PACKAGE ]]
+	then
+	    echo "[ERROR] can't find project_mainpackage" >&2
+	    exit 1
+	fi
+    fi
+
+    if [[ -z $CLASS ]]
+    then
+	echo "[ERROR] Missing class" >&2
+	exit 1
+    fi
+
+    PACKAGE_DIR=${PACKAGE//\./\/}
+
+    if [[ ! -d $PACKAGE_DIR ]]
+    then
+	echo "Missing $PACKAGE_DIR" >&2
+	exit 1
+    fi
+
+    JAVA_FILE=$PACKAGE_DIR/$CLASS.java
+    if [[ -e $JAVA_FILE ]]
+    then
+	echo "[ERROR] $JAVA_FILE already exists" >&2
+	exit 1
+    else
+
+	if [[ $ctype == class ]]
+	then
+	    generate_java_class
+	else
+	    generate_java_interface
+	fi
+    fi
+
+    echo "$JAVA_FILE generated"
+elif [[ $genlang == c ]]
+then
+    if [[ -z $H_FILE ]]
+    then
+	H_FILE=c/genauto.h
+    fi
+    if [[ -z $C_FILE ]]
+    then
+	C_FILE=c/genauto.c
+    fi
+    add_new_c_function
+else
+    echo "[ERROR] language genlang=$genlang NOT supported" >&2
+    usage
+fi
--- a/init.sh
+++ b/init.sh
@@ -1,18 +1,5 @@
 #!/bin/bash

-setup()
-{
-    artlog_toolbox_path=../artlog_toolbox
-    if [[ ! -d $artlog_toolbox_path ]]
-    then
-	git clone $artlog_toolbox_remote_origin_url $artlog_toolbox_path
-	pushd $artlog_toolbox_path
-	git checkout
-	popd
-    fi
-    $artlog_toolbox_path/deploy.sh
-}
-
 # parses project.gitref
 project=
 gitref=project.gitref
@@ -33,9 +20,6 @@ do
 	    artloglaby)
 		artloglaby_remote_origin_url=$remote_origin_url
 		;;
-	    artlog_toolbox)
-		artlog_toolbox_remote_origin_url=$remote_origin_url
-		;;
 	    *)
 		echo "ERROR unrecognized project='$project' line='$line'"
 		;;
@@ -43,4 +27,4 @@ do
    fi
 done <$gitref

-setup
+
--- a/java/.classpath
+++ b/java/.classpath
@@ -1,7 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path=""/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.fx.ide.jdt.core.JAVAFX_CONTAINER"/>
+	<classpathentry kind="lib" path="/home/plhardy/clients/artlog/code/laby/libs/artgaphics-0.2.0.jar"/>
+	<classpathentry kind="lib" path="/home/plhardy/artisanlogiciel/code/laby/libs/sharedrawweb-0.2.0.jar"/>
+	<classpathentry kind="lib" path="/home/plhardy/artisanlogiciel/code/laby/libs/artgaphics-0.2.0.jar"/>
 	<classpathentry kind="output" path=""/>
 </classpath>
--- a/java/.gitignore
+++ b/java/.gitignore
@@ -0,0 +1 @@
+/module-info.class
--- a/java/org/artisanlogiciel/aaa/authorize/.gitignore
+++ b/java/org/artisanlogiciel/aaa/authorize/.gitignore
@@ -0,0 +1 @@
+/JWToken.class
--- a/java/org/artisanlogiciel/aaa/authorize/JWToken.java
+++ b/java/org/artisanlogiciel/aaa/authorize/JWToken.java
@@ -0,0 +1,4 @@
+package org.artisanlogiciel.aaa.authorize;
+
+public class JWToken {
+}
--- a/java/org/artisanlogiciel/compression/Main.java
+++ b/java/org/artisanlogiciel/compression/Main.java
@@ -0,0 +1,92 @@
+package org.artisanlogiciel.compression;
+
+import java.io.DataInputStream;
+import java.io.OutputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+import org.artisanlogiciel.graphics.SvgWriter;
+import org.artisanlogiciel.graphics.Drawing;
+
+/**
+ * Very simple utility to convert from .imc to svg.
+ * 
+ * TODO : could be more clever and not load full image into memory to save it afterwards ( for very small embedded systems ).
+ */
+
+public class Main
+{
+
+	Drawing mLocalImage;
+	
+	public static void main(String[] args) {
+		Main m = new Main();
+		if ( args.length > 1 )
+		{
+			m.loadExpanded(args[0]);
+			try {
+				File out = new File(args[1]);
+				if (out.exists())
+				{
+					System.err.println("File already exists" + out + " Not overriding it");
+					
+				}
+				else
+				{
+				    //m.saveSvg(new DataOutputStream(new FileOutputStream(out)));
+				    FileOutputStream fout = new FileOutputStream(out);
+				    m.saveSvg(fout);
+				    fout.flush();
+				    fout.close();
+				}
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+		}
+		else
+		{
+			System.out.println("Very simple utility to convert from .imc to svg.");
+			System.out.println("first argument is compressed file, second  is svg output file (should  not already exist)");
+		}
+
+	}
+	
+	public void saveSvg(OutputStream s)
+	throws IOException
+	{
+		SvgWriter writer = new SvgWriter(mLocalImage.getLines());
+		writer.writeTo(s);
+	}
+	
+	  public void saveKompressed( String ref) {
+		    try {
+		      FileOutputStream fi = new FileOutputStream( ref);
+		      mLocalImage.saveLinesKompressed( new DataOutputStream( fi));
+		    }
+		    catch( java.io.FileNotFoundException fnfe) 
+		    {
+		    	fnfe.printStackTrace(System.err);
+		    }
+		    catch ( java.io.IOException ioe) {
+		    	ioe.printStackTrace(System.err);
+		    }		    
+		  }
+
+	  public void loadExpanded( String ref) {
+	    try {
+	      FileInputStream fi = new FileInputStream( ref);
+	      mLocalImage = new Drawing();
+	      mLocalImage.loadLinesExpanded( new DataInputStream( fi));
+	    }
+	    catch( java.io.FileNotFoundException fnfe) {
+	    	fnfe.printStackTrace(System.err);
+	    }
+	    catch ( java.io.IOException ioe) {
+	    	ioe.printStackTrace(System.err);
+	    }
+	  }
+
+}
--- a/java/org/artisanlogiciel/compression/graphics/BitFieldReader.java
+++ b/java/org/artisanlogiciel/compression/graphics/BitFieldReader.java
@@ -0,0 +1,146 @@
+/*
+    This file is part of ShareDrawWeb.
+
+    ShareDrawWeb is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    ShareDrawWeb is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with ShareDrawWeb; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+ */
+
+package org.artisanlogiciel.compression.graphics;
+
+/*
+ simple class to read bitfields
+ @see BitFieldWriter
+ @author Philippe Lhardy
+*/
+
+import java.io.*;
+
+class BitFieldReader {
+
+   // size of nextWord
+   final int dataSize = 32;
+
+   /* offset of next bit to be read in current word
+      should ensure bitOffset < dataSize
+    */
+   private int bitOffset = 0;
+
+   /* word used waiting to be fully read
+      dataSize is bit size of currentWord
+      currentWord is part of word read that begins at bitOffset.
+    */
+   private int currentWord = 0;
+
+   private DataInputStream inputStream;
+
+   /* value returned is an int between 0 and 2^bits-1 */
+   public int read( int bits) throws java.io.IOException {
+     int field = 0;
+     int head = 0;
+
+     // a new word is needed
+     if ( bitOffset == 0 ) {
+       nextWord();
+     }
+     // if more bits needed that word currently used.
+     if ( bits  + bitOffset > dataSize) {
+       // warning recursive call ( not terminal )
+       int bitsize = dataSize - bitOffset;
+       head = read( dataSize - bitOffset);
+       // current word had entirely been read, need a new one
+       // don't do that... nextWord() will be done by next read...
+       field = read( bits - bitsize);
+       // reconstruct all
+       // more significant bits in first word, least in last
+       field = field | ( head << (bits - bitsize));
+     }
+     else {
+       // terminal part do the job
+       if ( bits == dataSize) {
+         // special case to keep sign
+         field = currentWord;
+         currentWord = 0;
+         bitOffset = 0;
+       }
+       else {       
+         field = ( currentWord >> ( dataSize - bits) )
+               & ( 0x7fffffff >> ( dataSize - 1 - bits) );
+         // bits are read then remove them from currentWord
+         currentWord <<= bits;
+         bitOffset = ( bitOffset + bits ) % dataSize;
+         /*
+         System.out.println( "size " + Integer.toString(bits)
+           + " value " + Integer.toString(field)
+           + " offset " + Integer.toString(bitOffset)
+           + " currentWord " + Integer.toString( currentWord)
+         );
+         */
+       }
+     }
+    
+
+     return field;  
+  } 
+
+
+    private int getInt( byte[] pBytes)
+    {
+	long field = 0;
+	field = pBytes[0]<<24 | pBytes[1]<<16 | pBytes[2]<<8 | pBytes[3];
+	return (int) field;
+    }
+
+
+    /**
+     * doesn't work correctly as readInt
+     */
+    private int readInt()
+    throws IOException
+    {
+       byte bytes[]=new byte[4];
+       int nr=0;
+       int index = 0;
+       /* read at least 4 bytes */
+       while ( ( nr != -1) && ( index < 4 ) )
+	   {
+	       nr = inputStream.read( bytes, index, 4 - index);
+	       index +=nr;
+	   }
+       return getInt( bytes);
+    }
+    
+
+   private void nextWord() throws java.io.IOException {
+     // read next word
+       //  currentWord = readInt();
+       currentWord= inputStream.readInt();
+     bitOffset = 0;
+   }
+
+   /*
+     go to next entire word.
+    */
+   public void padToWord() throws java.io.IOException {
+     if ( bitOffset != 0) {
+       nextWord();
+     }
+   }
+
+   /* set InputStream */
+   public void setInputStream( InputStream input) {
+     inputStream = new DataInputStream(input);
+   }
+
+}
--- a/java/org/artisanlogiciel/compression/graphics/BitFieldWriter.java
+++ b/java/org/artisanlogiciel/compression/graphics/BitFieldWriter.java
@@ -0,0 +1,125 @@
+/*
+    This file is part of ShareDrawWeb.
+
+    ShareDrawWeb is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    ShareDrawWeb is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with ShareDrawWeb; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+ */
+
+package org.artisanlogiciel.compression.graphics;
+
+/*
+  simple class to write bitfields
+  @see BitFieldReader
+  @author Philippe Lhardy
+*/
+
+import java.io.*;
+
+class BitFieldWriter {
+
+   // size of nextWord
+   final int dataSize = 32;
+
+   /* bitOffset is number of bits already used in word
+      should ensure bitOffset < dataSize
+    */
+   private int bitOffset;
+
+   /* word used waiting to be filled to be written
+      dataSize is bit size of nextWord
+    */
+   private int nextWord;
+
+   private DataOutputStream outputStream;
+
+   public void write( int field, int bits) throws java.io.IOException {
+     // if more bits needed that word currently used.
+     if ( bits  + bitOffset > dataSize) {
+       // warning recursive call ( not terminal )
+       // fill and write current word
+       int bitsize = dataSize - bitOffset;
+       int head;
+       // most significant bits first
+       // suppress at left least significant bits
+       head = field >> (bits - bitsize);
+       write( head, dataSize - bitOffset);
+       // no need of newWord() previous write already done it
+       // least significant bits last
+       field = field & ( 0x7FFFFFFF >> ( bitsize - 1));
+       write( field, bits - bitsize);
+     }
+     else {         
+       if ( bits == dataSize ) {
+         // special case to keep sign
+         nextWord = field; 
+         bitOffset = 0;
+       }
+       else {
+         // keep only meaning part of field
+         field = field & ( 0x7FFFFFFF >> ( dataSize - 1 - bits));
+         nextWord = nextWord | ( field << ( dataSize - bits - bitOffset));
+         bitOffset = ( bitOffset + bits ) % dataSize; 
+       }       
+       // a new word is needed
+       if ( bitOffset == 0 ) {
+         newWord();
+       }
+     }
+     /*
+     System.out.println( "nextWord " + Integer.toString( nextWord) + " size "
+        + Integer.toString( bits) + " field " + Integer.toString( field));
+     */
+   }
+
+    /**
+     * seems to works correctly as DataOutputStream.writeInt()
+     */
+    private void writeInt( int i)
+    throws IOException
+    {
+	long j = i;
+	byte bytes[]=new byte[4];
+	bytes[0] = (byte) ((j & 0xFF000000) >> 24);
+	bytes[1] = (byte) ((j & 0x00FF0000) >> 16);
+	bytes[2] = (byte) ((j & 0x0000FF00) >> 8);
+	bytes[3] = (byte) (j & 0x000000FF);
+	outputStream.write( bytes, 0, 4);
+    }
+
+   private void newWord() throws java.io.IOException {
+     // do really write current word;
+       //writeInt( nextWord);
+     outputStream.writeInt(nextWord);
+     // reset nextWord
+     bitOffset = 0;
+     nextWord = 0;
+   }
+
+   /*
+    write all current datas if any
+    to have a clean word ready.
+    */
+   public void padToWord() throws java.io.IOException {
+     if ( bitOffset != 0) {
+       newWord();
+     }
+   }
+
+   /* set OutputStream */
+   public void setOutputStream( OutputStream output) {
+     outputStream = new DataOutputStream(output);
+   }
+
+}
--- a/java/org/artisanlogiciel/compression/graphics/DrawLineExpander.java
+++ b/java/org/artisanlogiciel/compression/graphics/DrawLineExpander.java
@@ -0,0 +1,149 @@
+/*
+    This file is part of ShareDrawWeb.
+
+    ShareDrawWeb is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    ShareDrawWeb is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with ShareDrawWeb; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+ */
+
+/*
+ DrawingLineExpander
+ decompress a draw line from a stream
+
+ main algorithm is to code only delta displacement in littlest possible size.
+*/
+package org.artisanlogiciel.compression.graphics;
+
+import java.awt.Point;
+import java.io.InputStream;
+import java.util.ArrayList;
+
+public class DrawLineExpander {
+
+  ArrayList<Point> expandedLines;
+  int currentSize;
+  int scode[] = {3,6,14,30,64};
+  final static int SCODE_MAX = 4;
+  private BitFieldReader fieldReader = null;
+
+  public DrawLineExpander() {
+    expandedLines = new ArrayList<>();
+    fieldReader = new BitFieldReader();
+  }
+
+  /* create a List of points */
+  public ArrayList<Point> expand( InputStream input ) throws java.io.IOException {
+    fieldReader.setInputStream( input);
+    int point_count = fieldReader.read( 32);
+    // System.out.println( point_count);
+    expandedLines.add( readAbs( 64));
+    for ( int i = 1; i < point_count; i ++ ) {
+      Point point = readRel();
+      if ( currentSize == 64 ) {
+        // absolute
+        expandedLines.add( point);
+      }
+      else {
+        // relative
+        Point previous = (Point) expandedLines.get(expandedLines.size()-1);
+        point.x = point.x + previous.x;
+        point.y = point.y + previous.y;
+        expandedLines.add( point);
+      }
+    }
+    return expandedLines;
+  }
+
+  /*
+    read point with size encoding depending on first bits
+   */
+  private Point readRel() throws java.io.IOException {
+
+    int index;
+
+    /* 11 : next, 10 : previous ; 0* : same
+        6 -> 14->30
+        ^        |
+        |        v
+        3   <-  64
+    */
+    // find index of current size
+    for ( index = 0; index < SCODE_MAX; index ++) {
+      if ( scode[index] == currentSize ) break;
+    }
+
+    // read size modifier until it is good one
+    while ( fieldReader.read(1) != 0 ) {
+      index = index + ( ( fieldReader.read(1) == 0 ) ? -1 : 1);
+      // handle circularity
+      if ( index > SCODE_MAX ) {
+        index = 0;
+      }
+      if ( index < 0 ) {
+        index = SCODE_MAX;
+      }
+    }
+    return readAbs( scode[index]);
+  }
+
+  /* write given Point with size */
+  Point readAbs( int size) throws java.io.IOException {
+    int codeval;
+    int center, max;
+
+    currentSize = size;
+
+    Point point = new Point();
+    if ( size > 32 ) {
+      point.x = fieldReader.read(32);
+      point.y = fieldReader.read(32);
+    }
+    else {
+	boolean nocenter=false;
+      codeval = fieldReader.read( size); 
+      // System.out.println( codeval);
+      /* 
+        for coding/decoding scheme see
+           org.artisanlogiciel.graphics.DrawLineKompressor.java 
+      */
+      if ( size == 3 ) {
+        max = 3;
+	center = 1;
+	nocenter=true;
+      }
+      else {
+        max = ( 1 << (  size  / 2  ) );
+	center = (max / 2) - 1;
+      }
+      // central hole impossible but we don't really care
+      if ( nocenter )
+	  {
+
+	      if ( codeval > ( center * max  ) ) {
+		  codeval ++;
+	      }
+	      if ( codeval >= ( max * max  )) {
+		  System.out.println(
+				     "!!! reserved value for decompression should not occur !!!");
+	      }
+	  }
+      point.x = ( codeval  %  max) - center;
+      point.y = ( codeval   / max) - center;
+      // System.out.println( point.toString());
+    }
+    return point;
+  }
+
+}
+
--- a/java/org/artisanlogiciel/compression/graphics/DrawLineKompressor.java
+++ b/java/org/artisanlogiciel/compression/graphics/DrawLineKompressor.java
@@ -0,0 +1,256 @@
+/*
+    This file is part of ShareDrawWeb.
+
+    ShareDrawWeb is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    ShareDrawWeb is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with ShareDrawWeb; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+ */
+
+/*
+ DrawingLineKompressor
+ compress a draw line over a stream
+
+ main algorithm is to code only delta displacement in littlest possible size.
+*/
+package org.artisanlogiciel.compression.graphics;
+
+import java.awt.Point;
+import java.io.OutputStream;
+import java.util.ArrayList;
+
+public class DrawLineKompressor {
+
+  ArrayList<Point> fromLines;
+  int previousSize;
+  int scode[] = {3,6,14,30,64};
+  final static int SCODE_MAX = 4;
+  private BitFieldWriter fieldWriter = null;
+
+  public DrawLineKompressor( ArrayList<Point> lines) {
+    fromLines = lines;
+    fieldWriter = new BitFieldWriter();
+  }
+
+  public void kompress( OutputStream output ) throws java.io.IOException {
+    fieldWriter.setOutputStream( output);
+    int skipsame=0;
+    
+    if ( ( fromLines != null) && ( fromLines.size() > 0)) {
+	Point topoint = null;
+	for ( int i = 1; i < fromLines.size(); i++) {
+	    Point frompoint = (Point) fromLines.get( i);
+	    if ( ( topoint != null )  && ( topoint.x == frompoint.x ) && ( topoint.y == frompoint.y ) )
+		{
+		    skipsame ++;
+		}
+	    topoint=frompoint;
+	}
+	if ( skipsame > 0 )
+	    {
+		System.out.println("[WARNING] lines contains " + skipsame + " duplicates points");
+	    }
+    }
+
+    if ( ( fromLines != null) && ( fromLines.size() > 0)) {
+      Point frompoint = (Point) fromLines.get(0);
+      Point point, topoint;
+      topoint = new Point();
+      int center, size;
+      fieldWriter.write( fromLines.size() - skipsame, 32);
+      writeAbs( frompoint, 64);
+      for ( int i = 1; i < fromLines.size(); i++) {
+        point = (Point) fromLines.get( i);
+        topoint.x = point.x - frompoint.x;
+        topoint.y = point.y - frompoint.y;
+        // find wich size to use...
+	if (( topoint.x == 0 ) && ( topoint.y == 0 ))
+	    {
+		// ARGH THIS IS INVALID !
+	      System.out.println("[ERROR] (0,0) point is invalid for compression !!!");
+	      continue;
+	    }
+        if ( (Math.abs( topoint.x) < 2) && (Math.abs(topoint.y) < 2)) {
+          writeRel( topoint, 3);
+        }
+        else {
+          size = 64;
+          for ( int index = 1; index < ( SCODE_MAX - 1 ); index ++) {
+	      /* center = ( ( 1 << (  scode[index]  / 2 ) ) - 1 ) / 2;
+            if ( (Math.abs(topoint.x) <= center)
+              && (Math.abs(topoint.y) <= center))
+            {                          
+              size = scode[index];
+            }
+	      */
+	      // center is biased there are more + than - , ex for 6bits :(x,y) within ( -3,4 ) x (-3,4)
+	      center = 1 << ( (  scode[index]  / 2 )  - 1 );
+	      if ( ( topoint.x <= center  ) && ( topoint.x > -center )
+		   && ( topoint.y <= center  ) && ( topoint.y > -center ) )
+		  {
+		      size = scode[index];
+		      // always take the smaller size.
+		      break; 
+		  }
+          }
+          if ( size < 32 ) {
+            writeRel( topoint, size);
+          }
+          else {
+            // warning absolute
+            writeRel( point, 64);
+          }
+        }
+        // new frompoint is previous point
+        frompoint = point;
+      }
+      fieldWriter.padToWord();
+    }
+  }
+
+  /*
+    compute bits of size
+   */
+  void writeRel( Point point, int size) throws java.io.IOException {
+
+    /*
+    System.out.println( "point " + point.toString());
+    System.out.println( "size " + Integer.toString( size));
+    */
+
+    /* 11 : next, 10 : previous ; 0* : same
+        6 -> 14
+        ^    |
+        |    v
+        3 <- 64
+    */
+    if ( size != previousSize) {
+      int cindex, pindex;
+      // find index of size
+      for ( cindex = 0; cindex < SCODE_MAX; cindex ++) {
+        if ( scode[cindex] == size ) break;
+      }
+      // find index of previous size
+      for ( pindex = 0; pindex < SCODE_MAX; pindex ++) {
+        if ( scode[pindex] == previousSize ) break;
+      }
+
+      if ( pindex < cindex ) {
+        /*
+         if way with = is better than - then use = next
+                                        else use - previous
+         0--<--pindex===>==cindex---<---SCODE_MAX
+         */
+         if ( ((SCODE_MAX - cindex) + pindex ) > ( pindex - cindex ) ) {
+           // ( pindex - cindex ) times next
+           for ( ; pindex < cindex; pindex ++) {
+             fieldWriter.write( 3,2);
+           }
+         }
+         else {
+           // ((SCODE_MAX -cindex) + pindex ) fois previous
+           for ( pindex = SCODE_MAX - cindex + pindex; pindex > 0; pindex --) {
+             fieldWriter.write( 2,2);
+           }
+         }
+      }
+      else {
+        /*
+         if way with = is better than - then use = previous
+                                        else use - next
+         0-->--cindex===<==pindex--->---SCODE_MAX
+         */
+         if ( ((SCODE_MAX - pindex) + cindex ) > cindex - pindex ) {
+           // ( cindex - pindex ) fois previous
+           for ( ; cindex < pindex; pindex --) {
+             fieldWriter.write( 2,2);
+           }
+         }
+         else {
+           // ((SCODE_MAX - pindex) + cindex ) fois next
+           for ( pindex = SCODE_MAX - pindex + cindex; pindex > 0; pindex --)
+           {
+             fieldWriter.write( 3,2);
+           }
+         }
+      }
+    }  
+    // this is good size.
+    fieldWriter.write( 0,1);
+    writeAbs( point, size);
+  }
+
+  /* write given Point with size */
+  void writeAbs( Point point, int size) throws java.io.IOException {
+    int codeval;
+    int center, max;
+
+    previousSize = size;
+
+    if ( size > 32 ) {
+      fieldWriter.write( point.x, 32);
+      fieldWriter.write( point.y, 32);
+    }
+    else {
+	boolean nocenter = false;
+      /*  size == 3 example :
+           X - >
+         Y 0 1 2
+         | 3 . 4-
+         v 5 6 7
+         specific application of general case bellow.
+      */
+
+      /*    X ->
+          Y        0
+          | 0    center     max
+          v        max
+
+            0      1      2   ...center....                   (max - 1)
+           max                                               2 * max - 1
+            .                    (0,0)  center  * ( max + 1)
+           (max-1)*max -1                                    (max ^ 2) - 1
+2       */
+      if ( size == 3 ) {
+        max = 3;
+	center = 1;
+	nocenter = true;
+      }
+      else {
+        max = ( 1 << (  size  / 2 ) );
+	// biased center ( -center +1, center )
+	center = (max / 2) - 1;
+      }
+      /*
+      System.out.println( "size" + Integer.toString( size));
+      System.out.println( "max, center " + Integer.toString( max) + " " + Integer.toString( center));
+      System.out.println( "x, y " + Integer.toString( point.x) + " " + Integer.toString( point.y));
+      */
+      codeval = point.x + center +  (( point.y + center ) * max );
+      // central hole impossible BUT we should not really care ( in fact whole center square is impossible since covered by encoding with lower number of bits ) , avoid it only for size 3.
+      if (nocenter) {
+	  if ( codeval == ( center * max  ) + 1 ) {
+	      System.out.println("!!! warning (0,0) point is invalid for compression !!!");
+	  }
+	  if ( codeval > (center * max)  ){
+	      codeval --;
+	  }
+      }
+      // System.out.println( "code " + Integer.toString( codeval));
+      fieldWriter.write( codeval, size);
+    }
+  }
+
+
+}
+
--- a/java/org/artisanlogiciel/games/maze/.gitignore
+++ b/java/org/artisanlogiciel/games/maze/.gitignore
@@ -0,0 +1,20 @@
+/Brick.class
+/BrickTextMapping.class
+/DrawingGenerator.class
+/LabyLayers.class
+/LabyMap.class
+/LabyModel.class
+/Main.class
+/Maze$1.class
+/Maze$2.class
+/Maze$3.class
+/Maze.class
+/MazeCreationListener.class
+/MazeParamEditor.class
+/MazeParams.class
+/MazeParamsFixed.class
+/MovesProvider.class
+/Position.class
+/PositionWithDepth.class
+/WallsProvider.class
+/XYGridIterator.class
--- a/java/org/artisanlogiciel/games/maze/MainMim.java
+++ b/java/org/artisanlogiciel/games/maze/MainMim.java
@@ -0,0 +1,26 @@
+package org.artisanlogiciel.games.maze;
+
+import org.artisanlogiciel.games.minetest.net.MiM;
+
+import java.net.InetSocketAddress;
+
+public class MainMim {
+
+    void minetestMime(String serverName, int port) {
+        MiM mim = new MiM(30002, new InetSocketAddress(serverName, port));
+        mim.launch();
+    }
+
+    public static void main(String pArgs[])
+    {
+        if ( pArgs.length > 1)
+        {
+            new MainMim().minetestMime(pArgs[0], Integer.parseInt(pArgs[1]));
+        }
+        else
+        {
+            System.err.println("[ERROR] please set minetest server hostname and port as arguments");
+        }
+    }
+}
+
--- a/java/org/artisanlogiciel/games/maze/Maze.java
+++ b/java/org/artisanlogiciel/games/maze/Maze.java
@@ -307,9 +307,11 @@ public class Maze {
                        OsmReader reader = new OsmReader(infile.getCanonicalPath());
                        reader.read();
                        OsmToDrawing converter = new OsmToDrawing(reader, mulx,muly);
-                        Drawing drawing = converter.getDrawing(reader.getWays());
+                        Drawing ways = converter.getDrawing(reader.getWays());
+                        Drawing buildings = converter.getDrawing(reader.getBuildings());
                        setStatusEnable(false);
-                        addDrawing(drawing,add);
+                        addDrawing(ways,add);
+                        addDrawing(buildings,add);
                        setStatusEnable(true);
                    } catch (IOException io) {
                        io.printStackTrace(System.err);
--- a/java/org/artisanlogiciel/games/maze/gui/.gitignore
+++ b/java/org/artisanlogiciel/games/maze/gui/.gitignore
@@ -0,0 +1,44 @@
+/CellGridComponent.class
+/Display$1.class
+/Display$2.class
+/Display$3.class
+/Display$MazeFrame.class
+/Display.class
+/HexagonCellRenderer$UV.class
+/HexagonCellRenderer.class
+/Maze3dSettings.class
+/MazeCellRenderer.class
+/MazeColorMap.class
+/MazeComponent.class
+/MazeControler$1.class
+/MazeControler$10.class
+/MazeControler$11.class
+/MazeControler$12.class
+/MazeControler$13.class
+/MazeControler$14.class
+/MazeControler$15.class
+/MazeControler$16.class
+/MazeControler$17.class
+/MazeControler$18.class
+/MazeControler$19.class
+/MazeControler$2.class
+/MazeControler$20.class
+/MazeControler$21.class
+/MazeControler$22.class
+/MazeControler$23.class
+/MazeControler$24.class
+/MazeControler$25.class
+/MazeControler$26.class
+/MazeControler$27.class
+/MazeControler$3.class
+/MazeControler$4.class
+/MazeControler$5.class
+/MazeControler$6.class
+/MazeControler$7.class
+/MazeControler$8.class
+/MazeControler$9.class
+/MazeControler.class
+/MazeDefault.class
+/MazeSettings$1.class
+/MazeSettings.class
+/StatusListener.class
--- a/java/org/artisanlogiciel/games/maze/gui/Display.java
+++ b/java/org/artisanlogiciel/games/maze/gui/Display.java
@@ -4,6 +4,7 @@ import org.artisanlogiciel.games.maze.*;
 import org.artisanlogiciel.games.maze.model.WidthHeightProvider;
 import org.artisanlogiciel.games.maze.persist.MazePersistRaw;
 import org.artisanlogiciel.games.maze.solve.SolvingModel;
+import org.artisanlogiciel.games.minetest.net.MiM;
 import org.artisanlogiciel.graphics.Drawing;
 import org.artisanlogiciel.xpm.Xpm;

@@ -14,6 +15,7 @@ import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
+import java.net.InetSocketAddress;
 import java.util.Locale;

 /**
@@ -270,6 +272,7 @@ implements StatusListener
            }
        };

+
        System.out.println("Default Locale " + Locale.getDefault());

        if ((pArgs.length > 0) && (pArgs[0].length() > 0)) {
--- a/java/org/artisanlogiciel/games/maze/gui/Maze3dSettings.java
+++ b/java/org/artisanlogiciel/games/maze/gui/Maze3dSettings.java
@@ -31,13 +31,13 @@ public class Maze3dSettings
            void createSettingsGui() {
            if (params != null) {

-                IntegerField xl = new IntegerField("width",params.getXl());
+                xl = new IntegerField("width",params.getXl());
                addField(xl);

-                IntegerField zl = new IntegerField("height",params.getZl());
+                zl = new IntegerField("height",params.getZl());
                addField(zl);

-                IntegerField yl = new IntegerField("depth",params.getYl());
+                yl = new IntegerField("depth",params.getYl());
                addField(yl);

                reverse = new JCheckBox("reverse",params.isReverse());
@@ -52,6 +52,9 @@ public class Maze3dSettings
                hg = new IntegerField(params.getHg());
                addField(hg);
            }
+            else {
+            	System.err.println("params null");
+            }
        }

        Maze3dParams createParams()
--- a/java/org/artisanlogiciel/games/maze/gui/component/.gitignore
+++ b/java/org/artisanlogiciel/games/maze/gui/component/.gitignore
@@ -0,0 +1,2 @@
+/IntegerField.class
+/Panel.class
--- a/java/org/artisanlogiciel/games/maze/model/.gitignore
+++ b/java/org/artisanlogiciel/games/maze/model/.gitignore
@@ -0,0 +1,9 @@
+/BooleanLongSet.class
+/HalfSquareModelCreator$SetXY.class
+/HalfSquareModelCreator.class
+/HalfSquareProvider.class
+/HalfSquareRasterModel.class
+/HexagonModelProvider.class
+/LabyModelProvider.class
+/LineColumnModel.class
+/WidthHeightProvider.class
--- a/java/org/artisanlogiciel/games/maze/model/HalfSquareRasterModel.java
+++ b/java/org/artisanlogiciel/games/maze/model/HalfSquareRasterModel.java
@@ -6,7 +6,7 @@ import org.artisanlogiciel.games.maze.WallsProvider;

 /**
 * minimal model without repetition
- * keep only left and down wall and rely on neightbor squeres to obtain right and up
+ * keep only left and down wall and rely on neightbor squares to obtain right and up
 * left down compatible with Bricks
 *
 * LEFT 01
--- a/java/org/artisanlogiciel/games/maze/persist/.gitignore
+++ b/java/org/artisanlogiciel/games/maze/persist/.gitignore
@@ -0,0 +1,3 @@
+/HalfSquareRasterModelPersistRaw.class
+/MazePersistRaw.class
+/MazePersistWorldEdit.class
--- a/java/org/artisanlogiciel/games/maze/solve/.gitignore
+++ b/java/org/artisanlogiciel/games/maze/solve/.gitignore
@@ -0,0 +1,3 @@
+/DirectionPosition.class
+/MazeResolutionListener.class
+/SolvingModel.class
--- a/java/org/artisanlogiciel/games/minetest/.gitignore
+++ b/java/org/artisanlogiciel/games/minetest/.gitignore
@@ -0,0 +1,8 @@
+/Material.class
+/Node.class
+/Range.class
+/Raw.class
+/Slice.class
+/WorlEditGenerator.class
+/World.class
+/WorldEditReader.class
--- a/java/org/artisanlogiciel/games/minetest/MapBlock.java
+++ b/java/org/artisanlogiciel/games/minetest/MapBlock.java
@@ -0,0 +1,97 @@
+package org.artisanlogiciel.games.minetest;
+
+import com.github.luben.zstd.Zstd;
+import org.artisanlogiciel.games.minetest.core.Constant;
+import org.artisanlogiciel.games.minetest.core.PacketException;
+import org.artisanlogiciel.games.minetest.core.Serialize;
+
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+
+/**
+ * A block of nodes of MAP_BLOCKSIZE in any x,y,z direction
+ */
+public class MapBlock {
+
+    final static int nodecount = Constant.MAP_BLOCKSIZE * Constant.MAP_BLOCKSIZE * Constant.MAP_BLOCKSIZE;
+
+    int m_lighting_complete;
+
+    ArrayList<MapNode> nodes;
+
+    ArrayList<MapNode> getNodes()
+    {
+        if ( nodes == null )
+        {
+            nodes = new ArrayList<>(nodecount);
+        }
+        return nodes;
+    }
+
+    // in memory case
+    public void deSerialize(ByteBuffer buffer, int version)
+            throws PacketException
+    {
+
+        int flags = 0;
+        int content_width = 0;
+        int params_width = 0;
+
+        if ( version >= 29) {
+            // ByteBuffer byteBuffer = ByteBuffer.wrap(networkPacket.getBuffer(),offset,networkPacket.getLength() - offset);
+
+    /*
+            // force to have a direct buffer.
+            ByteBuffer byteBuffer = ByteBuffer.allocateDirect(networkPacket.getLength());
+            byteBuffer.put(networkPacket.getBuffer());
+            byteBuffer.position(networkPacket.getOffset());
+
+            //System.arraycopy(networkPacket.getBuffer(), 0, byteBuffer.array(), 0, length);
+            // zstd compression
+            // FIXME, can we know original size ? somehow related to BLOCKSIZE³
+            long originalSizeMax = Zstd.decompressedSize(byteBuffer);
+            System.out.println(String.format("originalSizeMax=%d", originalSizeMax));
+            ByteBuffer decompressed = Zstd.decompress(byteBuffer,(int) originalSizeMax);
+            */
+            byte out[] = new byte[16386];
+            long outLength = Zstd.decompressByteArray(out, 0, out.length, buffer.array(), buffer.arrayOffset(), buffer.limit());
+
+            // Should be a MapBlock
+            MapBlock block = new MapBlock();
+            ByteBuffer decompressed = ByteBuffer.wrap(out, 0, (int) outLength);
+            buffer = decompressed;
+        }
+
+        flags = Serialize.readU8(buffer);
+
+        if ( version >= 27 ) {
+            m_lighting_complete = Serialize.readU16(buffer);
+        }
+
+        content_width = Serialize.readU8(buffer);
+        params_width = Serialize.readU8(buffer);
+
+        System.out.println(String.format(" flags %x  lightning_complete %d content_witd %d params_width %d ",flags, m_lighting_complete, content_width, params_width));
+
+        if (( version < 29 ) && ( version >= 11 ))
+        {
+            // ZLib decompression
+            try {
+                byte decompressed[] = Serialize.decompress(buffer);
+                buffer = ByteBuffer.wrap(decompressed);
+            }
+            catch ( Exception e)
+            {
+                // TODO
+                System.err.println(e);
+                e.printStackTrace(System.err);
+                return;
+            }
+        }
+
+        nodes = getNodes();
+        MapNode.deSerializeBulk(buffer,version, nodes,nodecount,content_width,params_width);
+
+        //m_node_metadata.deSerialize(is, m_gamedef->idef());
+    }
+}
--- a/java/org/artisanlogiciel/games/minetest/MapNode.java
+++ b/java/org/artisanlogiciel/games/minetest/MapNode.java
@@ -0,0 +1,99 @@
+package org.artisanlogiciel.games.minetest;
+
+import org.artisanlogiciel.games.minetest.core.PacketException;
+import org.artisanlogiciel.games.minetest.core.Serialize;
+
+import java.nio.ByteBuffer;
+import java.util.List;
+
+public class MapNode {
+	/*
+		Main content
+	*/
+	short param0;
+
+	/*
+		Misc parameter. Initialized to 0.
+		- For light_propagates() blocks, this is light intensity,
+		  stored logarithmically from 0 to LIGHT_MAX.
+		  Sunlight is LIGHT_SUN, which is LIGHT_MAX+1.
+		  - Contains 2 values, day- and night lighting. Each takes 4 bits.
+		- Uhh... well, most blocks have light or nothing in here.
+	*/
+	byte param1;
+
+	/*
+		The second parameter. Initialized to 0.
+		E.g. direction for torches and flowing water.
+	*/
+	byte param2;
+
+    public void deSerialize(ByteBuffer buffer)
+            throws PacketException
+    {
+        // version >= 24
+		param0 = (short) Serialize.readU16(buffer);
+        buffer.position(buffer.position() + 2);
+        param1 = (byte) Serialize.readU8(buffer);
+        buffer.position(buffer.position() + 1);
+		param2 = (byte) Serialize.readU8(buffer);
+        // network specific ...
+        // readU8(is);
+
+    }
+
+	// Deserialize bulk node data
+	public static void deSerializeBulk(ByteBuffer buffer, int version,
+									   List<MapNode> nodes, int nodecount,
+									   int content_width, int params_width)
+		throws PacketException
+	{
+		byte[] intern = buffer.array();
+		int initialOffset = buffer.position();
+
+		// Deserialize content
+		if(content_width == 1)
+		{
+			for(int i=0; i<nodecount; i++) {
+				nodes.add(i, new MapNode());
+				nodes.get(i).param0 = (short) Serialize.readU8( intern, initialOffset + i, intern.length);
+			}
+		}
+		else if(content_width == 2)
+		{
+			for(int i=0; i<nodecount; i++) {
+				nodes.add(i, new MapNode());
+				nodes.get(i).param0 = (short) Serialize.readU8( intern, initialOffset + (i*2), intern.length);
+			}
+		}
+
+		// Deserialize param1
+		int start1 = initialOffset + (content_width * nodecount);
+		for(int i=0; i<nodecount; i++) {
+			nodes.get(i).param1 = (byte) Serialize.readU8( intern, start1 + i, intern.length);
+		}
+
+		// Deserialize param2
+		int start2 = initialOffset + ((content_width + 1) * nodecount);
+		if(content_width == 1)
+		{
+			for(int i=0; i<nodecount; i++) {
+				MapNode node = nodes.get(i);
+				node.param2 = (byte) Serialize.readU8( intern, start2 + i, intern.length);
+				if(node.param0 > 0x7F){
+					node.param0 <<= 4;
+					node.param0 |= (node.param2&0xF0)>>4;
+					node.param2 &= 0x0F;
+				}
+			}
+		}
+		else if(content_width == 2)
+		{
+			for(int i=0; i<nodecount; i++) {
+				nodes.get(i).param2 = (byte) Serialize.readU8(intern, start2 + i, intern.length);
+			}
+		}
+
+	}
+
+}
--- a/java/org/artisanlogiciel/games/minetest/Node.java
+++ b/java/org/artisanlogiciel/games/minetest/Node.java
@@ -3,6 +3,7 @@ package org.artisanlogiciel.games.minetest;
 import java.util.HashMap;

 public class Node {
+    // could be a core.v3s16
    int x;
    int y;
    int z;
--- a/java/org/artisanlogiciel/games/minetest/core/Constant.java
+++ b/java/org/artisanlogiciel/games/minetest/core/Constant.java
@@ -0,0 +1,6 @@
+package org.artisanlogiciel.games.minetest.core;
+
+public class Constant {
+
+    public final static int MAP_BLOCKSIZE = 16;
+}
--- a/java/org/artisanlogiciel/games/minetest/core/PacketException.java
+++ b/java/org/artisanlogiciel/games/minetest/core/PacketException.java
@@ -0,0 +1,10 @@
+package org.artisanlogiciel.games.minetest.core;
+
+public class PacketException
+extends Exception
+{
+    public PacketException(String message)
+    {
+        super(message);
+    }
+}
--- a/java/org/artisanlogiciel/games/minetest/core/Serialize.java
+++ b/java/org/artisanlogiciel/games/minetest/core/Serialize.java
@@ -0,0 +1,116 @@
+package org.artisanlogiciel.games.minetest.core;
+
+import java.io.ByteArrayOutputStream;
+import java.nio.ByteBuffer;
+import java.util.zip.Inflater;
+
+public class Serialize {
+
+    public final static int BUFFER_SIZE  = 16386;
+
+    public static int readS16(byte buffer[], int offset, int length)
+            throws PacketException
+    {
+        if ( offset + 2 < length) {
+            return 256 * buffer[offset] + buffer[offset + 1];
+        }
+        else
+        {
+            throw new PacketException("out of bound offset U16");
+        }
+    }
+
+    // MSB network order
+    public static int readU32(byte[] buffer, int offset, int length)
+            throws PacketException
+    {
+        if ( offset + 4 < length) {
+            return 16777216 * Byte.toUnsignedInt(buffer[offset]) +
+                    65536 * Byte.toUnsignedInt(buffer[offset + 1]) +
+                    256 * Byte.toUnsignedInt(buffer[offset + 2]) +
+                    Byte.toUnsignedInt(buffer[offset + 3]);
+        }
+        else
+        {
+            throw new PacketException("out of bound offset U32");
+        }
+    }
+
+    // MSB network order
+    public static int readU16(byte[] buffer, int offset, int length)
+            throws PacketException
+    {
+        if ( offset + 2 < length) {
+            return 256 * Byte.toUnsignedInt(buffer[offset]) +
+                    Byte.toUnsignedInt(buffer[offset + 1]);
+        }
+        else
+        {
+            throw new PacketException("out of bound offset U16");
+        }
+    }
+
+    // will update position
+    public static int readU16(ByteBuffer byteBuffer)
+            throws PacketException
+    {
+        int u16 = readU16(byteBuffer.array(), byteBuffer.position(), byteBuffer.array().length);
+        byteBuffer.position(byteBuffer.position()+2);
+        return u16;
+    }
+
+    public static int readU8(byte[] buffer, int offset, int length)
+            throws PacketException
+    {
+        if ( offset + 1 < length) {
+            return Byte.toUnsignedInt(buffer[offset]);
+        }
+        else
+        {
+            throw new PacketException("out of bound offset U8");
+        }
+    }
+
+    // will update position
+    public static int readU8(ByteBuffer byteBuffer)
+            throws PacketException
+    {
+        int u8 = readU8(byteBuffer.array(), byteBuffer.position(), byteBuffer.array().length);
+        byteBuffer.position(byteBuffer.position()+1);
+        return u8;
+    }
+
+    public static v3s16 readV3S16(byte buffer[], int offset, int length)
+            throws PacketException
+    {
+        if ( offset + 6 <= length) {
+            int x = readS16(buffer, offset, length);
+            int y = readS16(buffer, offset + 2, length);
+            int z = readS16(buffer, offset + 4, length);
+            return new v3s16(x, y, z);
+        }
+        else
+        {
+            throw new PacketException("out of bound offset v3s16");
+        }
+    }
+
+    // Zlib decompression
+    public static byte[] decompress(ByteBuffer byteBuffer) throws Exception
+    {
+        final Inflater inflater = new Inflater(false);
+        inflater.setInput(byteBuffer.array(), byteBuffer.position(), byteBuffer.limit() - byteBuffer.position());
+
+        try (final ByteArrayOutputStream outputStream = new ByteArrayOutputStream(byteBuffer.limit()))
+        {
+            byte[] buffer = new byte[BUFFER_SIZE];
+            while (!inflater.finished())
+            {
+                final int count = inflater.inflate(buffer);
+                outputStream.write(buffer, 0, count);
+            }
+
+            return outputStream.toByteArray();
+        }
+    }
+}
--- a/java/org/artisanlogiciel/games/minetest/core/v2s16.java
+++ b/java/org/artisanlogiciel/games/minetest/core/v2s16.java
@@ -0,0 +1,13 @@
+package org.artisanlogiciel.games.minetest.core;
+
+public class v2s16 {
+
+    public int X;
+    public int Y;
+
+    public v2s16(int x, int y) {
+        X = x;
+        Y = y;
+    }
+
+}
--- a/java/org/artisanlogiciel/games/minetest/core/v3s16.java
+++ b/java/org/artisanlogiciel/games/minetest/core/v3s16.java
@@ -0,0 +1,14 @@
+package org.artisanlogiciel.games.minetest.core;
+
+public class v3s16 {
+
+    public int X;
+    public int Y;
+    public int Z;
+
+    public v3s16(int x, int y, int z) {
+        X = x;
+        Y = y;
+        Z = z;
+    }
+}
--- a/java/org/artisanlogiciel/games/minetest/net/Address.java
+++ b/java/org/artisanlogiciel/games/minetest/net/Address.java
@@ -0,0 +1,4 @@
+package org.artisanlogiciel.games.minetest.net;
+
+public class Address {
+}
--- a/java/org/artisanlogiciel/games/minetest/net/BufferedPacket.java
+++ b/java/org/artisanlogiciel/games/minetest/net/BufferedPacket.java
@@ -0,0 +1,28 @@
+package org.artisanlogiciel.games.minetest.net;
+
+import org.artisanlogiciel.games.minetest.core.PacketException;
+import org.artisanlogiciel.games.minetest.core.Serialize;
+
+public class BufferedPacket {
+
+    public static int BASE_HEADER_SIZE = 7;
+
+    // Data of the packet, including headers
+    byte[] m_data;
+
+    BufferedPacket(byte[] data)
+    {
+        m_data = data;
+    }
+
+    int getSeqNum()
+            throws PacketException
+    {
+        return Serialize.readU16(m_data, BASE_HEADER_SIZE + 1, size());
+    }
+
+    int size()
+    {
+        return m_data.length;
+    }
+}
--- a/java/org/artisanlogiciel/games/minetest/net/Channel.java
+++ b/java/org/artisanlogiciel/games/minetest/net/Channel.java
@@ -0,0 +1,9 @@
+package org.artisanlogiciel.games.minetest.net;
+
+public class Channel {
+
+    int readNextIncomingSeqNum()
+    {
+        return 0;
+    }
+}
--- a/java/org/artisanlogiciel/games/minetest/net/ConnectionEvent.java
+++ b/java/org/artisanlogiciel/games/minetest/net/ConnectionEvent.java
@@ -0,0 +1,45 @@
+package org.artisanlogiciel.games.minetest.net;
+
+public class ConnectionEvent {
+
+    ConnectionEventType m_event_type;
+    int m_peer_id;
+    byte[] m_data;
+    boolean m_timeout;
+
+
+    ConnectionEvent(ConnectionEventType eventType)
+    {
+        m_event_type = eventType;
+    }
+
+    String describe()
+    {
+        return m_event_type.toString();
+    }
+
+    ConnectionEventPtr create(ConnectionEventType type)
+    {
+        return null;
+    }
+
+	ConnectionEventPtr dataReceived(int peer_id, byte[] data)
+    {
+        return null;
+    }
+
+    ConnectionEventPtr peerAdded(int peer_id, Address address)
+    {
+        return null;
+    }
+
+    ConnectionEventPtr peerRemoved(int peer_id, boolean is_timeout, Address address)
+    {
+        return null;
+    }
+
+	ConnectionEventPtr bindFailed()
+    {
+        return null;
+    }
+}
--- a/java/org/artisanlogiciel/games/minetest/net/ConnectionEventPtr.java
+++ b/java/org/artisanlogiciel/games/minetest/net/ConnectionEventPtr.java
@@ -0,0 +1,4 @@
+package org.artisanlogiciel.games.minetest.net;
+
+public class ConnectionEventPtr {
+}
--- a/java/org/artisanlogiciel/games/minetest/net/ConnectionEventType.java
+++ b/java/org/artisanlogiciel/games/minetest/net/ConnectionEventType.java
@@ -0,0 +1,9 @@
+package org.artisanlogiciel.games.minetest.net;
+
+public enum ConnectionEventType {
+    CONNEVENT_NONE,
+	CONNEVENT_DATA_RECEIVED,
+	CONNEVENT_PEER_ADDED,
+	CONNEVENT_PEER_REMOVED,
+	CONNEVENT_BIND_FAILED
+}
--- a/java/org/artisanlogiciel/games/minetest/net/IncomingSplitBuffer.java
+++ b/java/org/artisanlogiciel/games/minetest/net/IncomingSplitBuffer.java
@@ -0,0 +1,90 @@
+package org.artisanlogiciel.games.minetest.net;
+
+import org.artisanlogiciel.games.minetest.core.PacketException;
+import org.artisanlogiciel.games.minetest.core.Serialize;
+
+import java.util.ArrayList;
+
+public class IncomingSplitBuffer {
+
+    int m_seqnum;
+    int m_chunk_count;
+    int m_chunk_num;
+
+    // number of chunks
+    int m_got = 0;
+
+    NetworkPacket m_list[] = null;
+    BufferedPacket m_reassembled = null;
+
+    BufferedPacket insert(NetworkPacket networkPacket)
+            throws PacketException
+    {
+
+        byte[] buffer = networkPacket.getBuffer();
+        int length = networkPacket.getLength();
+        int offset = networkPacket.getOffset();
+
+        int type = Serialize.readU8(buffer , offset, length);
+        int seqnum = Serialize.readU16(buffer, offset + 1, length);
+        // total number of chunk
+        int chunk_count = Serialize.readU16(buffer, offset + 3, length);
+        // this chunk number
+        int chunk_num = Serialize.readU16(buffer, offset+ 5, length);
+
+        System.out.println("Split length " + length + " type " + type + " seqnum " + seqnum + " chunk_num/chunk_count " + chunk_num + "/" + chunk_count );
+
+        // move to next header
+        networkPacket.addOffset(7);
+
+        if (m_reassembled != null)
+        {
+            return m_reassembled;
+        }
+
+        if (m_list == null )
+        {
+            m_list = new NetworkPacket[chunk_count];
+        }
+
+        if ( chunk_num < chunk_count && (m_list[chunk_num] == null) )
+        {
+            m_list[chunk_num] = networkPacket;
+            m_got ++;
+        }
+        //todo seqnum
+        m_seqnum = seqnum;
+
+        // fully obtained
+        if ( m_got == chunk_count )
+        {
+            reassemble();
+        }
+
+        return m_reassembled;
+
+    }
+
+    private void reassemble()
+    {
+        // keep first header since result is a valid BufferedPacket
+        int fullLength = BufferedPacket.BASE_HEADER_SIZE;
+        for (NetworkPacket networkPacket : m_list )
+        {
+            fullLength += networkPacket.getLength() - networkPacket.getOffset();
+        }
+        byte[] reassembled = new byte[fullLength];
+        NetworkPacket first = m_list[0];
+        System.arraycopy(first.getBuffer(),0,reassembled,0,BufferedPacket.BASE_HEADER_SIZE);
+        int offset = BufferedPacket.BASE_HEADER_SIZE;
+        for (NetworkPacket networkPacket : m_list )
+        {
+            int dataLength = networkPacket.getLength() - networkPacket.getOffset();
+            System.arraycopy(networkPacket.getBuffer(), networkPacket.getOffset(),reassembled,offset,dataLength);
+            offset+=dataLength;
+        }
+        m_reassembled = new BufferedPacket(reassembled);
+
+    }
+
+}
--- a/java/org/artisanlogiciel/games/minetest/net/MiM.java
+++ b/java/org/artisanlogiciel/games/minetest/net/MiM.java
@@ -0,0 +1,127 @@
+package org.artisanlogiciel.games.minetest.net;
+
+import org.artisanlogiciel.games.minetest.core.PacketException;
+
+import java.io.IOException;
+import java.net.*;
+
+/**
+ * Man in the middle UDP
+ * very simple for one client only
+ */
+
+public class MiM {
+
+    DatagramSocket serverSocket;
+    boolean running = false;
+    InetSocketAddress serverAddress;
+    // will be captured, incoming address & port
+    SocketAddress fromClient = null;
+    int localPort;
+    PacketHandler handler = null;
+
+    public MiM(int myPort, InetSocketAddress remoteAddress)
+    {
+        localPort = myPort;
+        serverAddress = remoteAddress;
+    }
+
+    public void launch()
+    {
+        // ServerSocket socket = new ServerSocket()
+        try {
+            handler = new PacketHandler();
+            serverSocket = new DatagramSocket(localPort);
+            DatagramSocket in = serverSocket;
+            SocketAddress fromServer = serverAddress;
+            Thread toServer = new Thread( () -> {runFromToServer(in,fromServer);});
+            running = true;
+            toServer.start();
+        }
+        catch(Exception e)
+        {
+            System.out.println("problem");
+            e.printStackTrace(System.err);
+            running = false;
+        }
+    }
+
+    public void stop()
+    {
+        running = false;
+    }
+
+    public void runFromToServer(DatagramSocket in, SocketAddress fromServer) {
+        try {
+
+            while (running) {
+                // quick way, a new buffer at each reception
+                // to handle split packets that are buffered
+                byte[] buf = new byte[4096];
+                SocketAddress toRemote = null;
+                DatagramPacket packet = new DatagramPacket(buf, buf.length);
+                in.receive(packet);
+                SocketAddress from = packet.getSocketAddress();
+                if ( from.equals(fromServer)) {
+                    // no client yet
+                    if ( fromClient == null )
+                    {
+                        continue;
+                    }
+                    fromServer(buf,packet.getLength());
+                    toRemote = fromClient;
+                }
+                else
+                {
+                    // record client
+                    // later on to be smart : could try to record peer id ?
+                    // will add a constraint : only one auth at a time
+                    if ( fromClient == null ) {
+                        fromClient = from;
+                    }
+                    fromClient(buf,packet.getLength());
+                    toRemote = fromServer;
+                }
+                packet = new DatagramPacket(buf, packet.getLength(), toRemote);
+                in.send(packet);
+            }
+        }
+        catch( IOException ioException)
+        {
+            //
+            System.out.println("oops");
+        }
+        // socket.close();
+    }
+
+    void fromServer(byte[] buffer, int length)
+    {
+        try {
+            // reply from server
+            if (handler != null) {
+                handler.fromServer(buffer, length);
+            }
+        }
+        catch (PacketException packetException)
+        {
+            //
+        }
+    }
+
+    void fromClient(byte[] buffer, int length)
+    {
+        try {
+            // reply from client
+            if (handler != null) {
+                handler.fromClient(buffer, length);
+            }
+        }
+        catch (PacketException packetException)
+        {
+            //
+        }
+
+    }
+
+
+}
--- a/java/org/artisanlogiciel/games/minetest/net/NetworkPacket.java
+++ b/java/org/artisanlogiciel/games/minetest/net/NetworkPacket.java
@@ -0,0 +1,70 @@
+package org.artisanlogiciel.games.minetest.net;
+
+import org.artisanlogiciel.games.minetest.core.PacketException;
+import org.artisanlogiciel.games.minetest.core.Serialize;
+import org.artisanlogiciel.games.minetest.core.v3s16;
+
+import java.nio.ByteBuffer;
+
+public class NetworkPacket {
+
+    int m_protocol_id;
+    int m_peer_id;
+    int m_channel;
+    public PacketType packetType;
+
+    // somehow a BufferedPacket ...
+    byte[] m_buffer; // m_data
+    // used part in buffer
+    int m_length; // m_datasize ?
+    // current header index in packet
+    int m_offset; // m_read_offset
+
+    short m_command = 0;
+
+    public NetworkPacket(int protocol_id, int peer_id, int channel, PacketType type, byte[] buffer, int length) {
+        this.m_protocol_id = protocol_id;
+        this.m_peer_id = peer_id;
+        this.m_channel = channel;
+        this.packetType = type;
+        m_buffer = buffer;
+        m_length = length;
+        m_offset = 0;
+    }
+
+    public int getChannel()
+    {
+        return m_channel;
+    }
+
+    public byte[] getBuffer()
+    {
+        return m_buffer;
+    }
+
+    public int getOffset() {
+        return m_offset;
+    }
+
+    public int getLength() {
+        return m_length;
+    }
+
+    void addOffset(int offset)
+    {
+        m_offset += offset;
+    }
+
+    // Serialization
+    public v3s16 v3s16()
+            throws PacketException
+    {
+        return Serialize.readV3S16(m_buffer, m_offset, m_length);
+    }
+
+    public ByteBuffer getByteBuffer()
+    {
+        ByteBuffer buffer = ByteBuffer.wrap(m_buffer,m_offset,m_length-m_offset);
+        return buffer;
+    }
+}
--- a/java/org/artisanlogiciel/games/minetest/net/PacketHandler.java
+++ b/java/org/artisanlogiciel/games/minetest/net/PacketHandler.java
@@ -0,0 +1,287 @@
+package org.artisanlogiciel.games.minetest.net;
+import com.github.luben.zstd.Zstd;
+import org.artisanlogiciel.games.minetest.MapBlock;
+import org.artisanlogiciel.games.minetest.MapNode;
+import org.artisanlogiciel.games.minetest.core.PacketException;
+import org.artisanlogiciel.games.minetest.core.Serialize;
+import org.artisanlogiciel.games.minetest.core.v2s16;
+import org.artisanlogiciel.games.minetest.core.v3s16;
+
+import java.nio.ByteBuffer;
+
+/**
+ * see src/network/networkprotocol.h of minetest sources
+ *
+ *
+ * === NOTES ===
+ *
+ * A packet is sent through a channel to a peer with a basic header:
+ * 	Header (7 bytes):
+ * 	[0] u32 protocol_id
+ * 	[4] session_t sender_peer_id
+ * 	[6] u8 channel
+ * sender_peer_id:
+ * 	Unique to each peer.
+ * 	value 0 (PEER_ID_INEXISTENT) is reserved for making new connections
+ * 	value 1 (PEER_ID_SERVER) is reserved for server
+ * 	these constants are defined in constants.h
+ * channel:
+ * 	Channel numbers have no intrinsic meaning. Currently only 0, 1, 2 exist.
+ *
+ *
+ * */
+
+public class PacketHandler {
+
+    ReliablePacketBuffer reliableBuffer = null;
+
+    IncomingSplitBuffer[] incomingChanneleSplitBuffer = new IncomingSplitBuffer[4];
+
+    // server serialization in hello version
+    int ser_version;
+
+    // minetest protocol should be 0x4f457403
+    static int readProtocolId(byte[] buffer, int length)
+            throws PacketException
+     {
+        return Serialize.readU32(buffer, 0, length);
+     }
+
+    static int readPeerId(byte[] buffer, int length)
+            throws PacketException
+    {
+        return Serialize.readU16(buffer,4,length);
+    }
+
+    static int readChannel(byte[] buffer, int length)
+            throws PacketException
+    {
+        return Serialize.readU8(buffer, 6, length);
+    }
+
+    NetworkPacket handleAny(byte[] buffer, int length)
+            throws PacketException
+    {
+        int protocol_id = readProtocolId(buffer, length);
+        int peer_id = readPeerId(buffer, length);
+        int channel = readChannel(buffer, length);
+        int type = Serialize.readU8(buffer,7,length);
+        PacketType packetType = PacketType.getPacketType(type);
+
+        NetworkPacket networkPacket = new NetworkPacket(protocol_id,peer_id,channel,packetType, buffer, length);
+
+        // offset of packet within buffer.
+        networkPacket.addOffset(BufferedPacket.BASE_HEADER_SIZE);
+
+        System.out.println("length " + length + " protocol_id " + String.format("%x", protocol_id) + " peer_id " + peer_id + " channel " + channel + " type " + packetType);
+
+        return networkPacket;
+    }
+
+    void handlePacketType_Control(NetworkPacket networkPacket)
+            throws PacketException {
+    }
+
+    void handlePacketType_Reliable(NetworkPacket networkPacket)
+            throws PacketException
+    {
+        // TODO handle misordered...
+        /*
+        if ( reliableBuffer == null )
+        {
+            reliableBuffer = new ReliablePacketBuffer();
+        }
+
+        BufferedPacket packet = new BufferedPacket(buffer);
+        int nextExpected = 0;
+        reliableBuffer.insert(packet, nextExpected);
+        */
+
+        // handle nested packet
+        networkPacket.addOffset(3);
+        int offset = networkPacket.getOffset();
+        byte buffer[] = networkPacket.getBuffer();
+        int length = networkPacket.getLength();
+
+        PacketType packetType = PacketType.getPacketType(Serialize.readU8(buffer,offset,length));
+
+        System.out.println( "reliable " + packetType.toString());
+
+        switch (packetType)
+        {
+            case PACKET_TYPE_CONTROL:
+                //
+                handlePacketType_Control(networkPacket);
+                break;
+            case PACKET_TYPE_ORIGINAL:
+                handlePacketType_Original(networkPacket);
+                break;
+            case PACKET_TYPE_SPLIT:
+                handlePacketType_Split(networkPacket);
+                break;
+            case PACKET_TYPE_RELIABLE:
+                // this is an error, no nested reliable accepted.
+                throw new PacketException("nested reliable");
+            default: // error
+                throw new PacketException("unknown type");
+        }
+
+    }
+
+    void handleCommand_Hello(NetworkPacket networkPacket)
+            throws PacketException {
+
+        // u8 deployed serialisation version
+        ByteBuffer buffer = networkPacket.getByteBuffer();
+        int ser_ver = Serialize.readU8(buffer);
+        ser_version = ser_ver;
+        // u16 deployed network compression mode
+        int net_compress = Serialize.readU16(buffer);
+        // u16 deployed protocol version
+        int deployed = Serialize.readU16(buffer);
+        System.out.println(String.format("HELLO ser_ver=%d net_compress %d deployed %d", ser_ver,net_compress,deployed));
+        // u32 supported auth methods
+        // std::string username that should be used for legacy hash (for proper casing)
+
+    }
+
+    // clientpackethandler.cpp Client::handleCommand_BlockData(NetworkPacket* pkt)
+    // TOCLIENT_BLOCKDATA
+    void handleCommand_BlockData(NetworkPacket networkPacket)
+            throws PacketException
+    {
+        v3s16 p = networkPacket.v3s16();
+
+        // will be used to get vector...
+        // v2s16 p2d = new v2s16(p.X,p.Z);
+
+        System.out.println(String.format(" (X,Y,Z) %d %d %d", p.X, p.Y,p.Z));
+        //
+        networkPacket.addOffset(6);
+
+        // FIXME get it from handshake
+        int version = 28;
+
+        // Should be a MapBlock
+        MapBlock block = new MapBlock();
+        block.deSerialize(networkPacket.getByteBuffer(),version);
+
+        // now we have a block ! what to do with it ?
+    }
+
+    void handlePacketCommand(NetworkPacket networkPacket)
+            throws PacketException {
+
+        // consume type and ??? well ... 2
+        int command = Serialize.readU16(networkPacket.getBuffer(),networkPacket.getOffset(),networkPacket.getLength());
+
+        System.out.println(String.format("command %x length %d", command, networkPacket.getLength()));
+
+        networkPacket.addOffset(2);
+        // Original ... toClient - toServer
+        switch (command)
+        {
+            case 0x02:
+            {
+                System.out.println("TOCLIENT_HELLO");
+                handleCommand_Hello(networkPacket);
+            }
+            break;
+            case 0x20:
+            {
+                System.out.println("TOCLIENT_BLOCKDATA");
+                handleCommand_BlockData(networkPacket);
+            }
+            break;
+            case 0x4f:
+            {
+                //TOCLIENT_SET_SKY = 0x4f,
+                System.out.println("TOCLIENT_SET_SKY");
+            }
+            break;
+        }
+
+    }
+
+    void handlePacketType_Original(NetworkPacket networkPacket)
+            throws PacketException {
+
+        // eat original type 1.
+        networkPacket.addOffset(1);
+        handlePacketCommand(networkPacket);
+    }
+
+    void handlePacketType_Split(NetworkPacket networkPacket)
+            throws PacketException {
+
+        int channel = networkPacket.getChannel();
+        if ( channel < incomingChanneleSplitBuffer.length) {
+            IncomingSplitBuffer splitBuffer = incomingChanneleSplitBuffer[channel];
+            if ( splitBuffer == null )
+            {
+                splitBuffer = new IncomingSplitBuffer();
+                incomingChanneleSplitBuffer[channel] = splitBuffer;
+            }
+            if ( splitBuffer != null ) {
+                BufferedPacket bufferedPacket = splitBuffer.insert(networkPacket);
+                if ( bufferedPacket != null ) {
+                    // well should handle it.
+                    System.out.println("Reassembled packet size " + bufferedPacket.m_data.length);
+                    // reset it.
+                    incomingChanneleSplitBuffer[channel] = new IncomingSplitBuffer();
+                    handleBufferedPacket(bufferedPacket);
+                }
+            }
+        }
+        else {
+            throw new PacketException("invalid channel " + channel);
+        }
+
+
+    }
+
+    void handleBufferedPacket(BufferedPacket bufferedPacket)
+            throws PacketException
+    {
+        // FIXME, why a BufferedPacket anyway since we finaly need a NetworkPacket ?
+        NetworkPacket networkPacket = new NetworkPacket(0,0,0, PacketType.PACKET_TYPE_ORIGINAL,bufferedPacket.m_data, bufferedPacket.size());
+        networkPacket.addOffset(BufferedPacket.BASE_HEADER_SIZE);
+        handlePacketCommand(networkPacket);
+    }
+
+    void fromServer(byte[] buffer, int length)
+            throws PacketException
+    {
+        System.out.print(" <- ");
+        NetworkPacket networkPacket = handleAny(buffer,length);
+
+        switch (networkPacket.packetType)
+        {
+            case PACKET_TYPE_CONTROL:
+                //
+                handlePacketType_Control(networkPacket);
+                break;
+            case PACKET_TYPE_RELIABLE:
+                //
+                handlePacketType_Reliable(networkPacket);
+                break;
+            case PACKET_TYPE_ORIGINAL:
+                handlePacketType_Original(networkPacket);
+                break;
+            case PACKET_TYPE_SPLIT:
+                handlePacketType_Split(networkPacket);
+                break;
+            default: // error
+                throw new PacketException("unknown type");
+        }
+
+    }
+
+    void fromClient(byte[] buffer, int length)
+            throws PacketException
+    {
+        System.out.print(" -> ");
+        handleAny(buffer,length);
+    }
+
+}
--- a/java/org/artisanlogiciel/games/minetest/net/PacketType.java
+++ b/java/org/artisanlogiciel/games/minetest/net/PacketType.java
@@ -0,0 +1,27 @@
+package org.artisanlogiciel.games.minetest.net;
+
+public enum PacketType {
+    PACKET_TYPE_CONTROL,
+    PACKET_TYPE_ORIGINAL,
+    PACKET_TYPE_SPLIT,
+    PACKET_TYPE_RELIABLE,
+    PACKET_TYPE_ERROR;
+
+    static PacketType getPacketType(int value)
+    {
+        switch (value)
+        {
+            case 0:
+                return PACKET_TYPE_CONTROL;
+            case 1:
+                return PACKET_TYPE_ORIGINAL;
+            case 2:
+                return PACKET_TYPE_SPLIT;
+            case 3:
+                return PACKET_TYPE_RELIABLE;
+            default:
+                return PACKET_TYPE_ERROR;
+        }
+    }
+
+}
--- a/java/org/artisanlogiciel/games/minetest/net/ReliablePacketBuffer.java
+++ b/java/org/artisanlogiciel/games/minetest/net/ReliablePacketBuffer.java
@@ -0,0 +1,20 @@
+package org.artisanlogiciel.games.minetest.net;
+
+import org.artisanlogiciel.games.minetest.core.PacketException;
+
+import java.util.LinkedList;
+import java.util.List;
+
+public class ReliablePacketBuffer {
+
+    List<BufferedPacket> m_list = new LinkedList<>();
+
+    void insert(BufferedPacket packet, int nextExpected)
+    throws PacketException
+    {
+        //
+        int seqNum = packet.getSeqNum();
+        m_list.add(packet);
+    }
+
+}
--- a/java/org/artisanlogiciel/games/stl/.gitignore
+++ b/java/org/artisanlogiciel/games/stl/.gitignore
@@ -0,0 +1,3 @@
+/Maze3dParams.class
+/Wall3d.class
+/Wall3dStream.class
--- a/java/org/artisanlogiciel/graphics/DrawException.java
+++ b/java/org/artisanlogiciel/graphics/DrawException.java
@@ -0,0 +1,28 @@
+/*
+    This file is part of ShareDrawWeb.
+
+    ShareDrawWeb is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    ShareDrawWeb is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with ShareDrawWeb; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+ */
+
+package org.artisanlogiciel.graphics;
+
+import java.io.Serializable;
+
+public class DrawException extends Exception implements Serializable {
+  public DrawException() {
+    super();
+  }
+}
--- a/java/org/artisanlogiciel/graphics/Drawing.java
+++ b/java/org/artisanlogiciel/graphics/Drawing.java
@@ -0,0 +1,106 @@
+/**
+  Drawing
+
+  contains a set of DrawingLine to create a Drawing
+  - feature of load / save
+*/
+package org.artisanlogiciel.graphics;
+
+import java.awt.Graphics;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.util.ArrayList;
+
+import org.artisanlogiciel.graphics.Importer;
+import org.artisanlogiciel.graphics.ResetException;
+import org.artisanlogiciel.graphics.NoMoreLineException;
+
+public class Drawing
+{
+
+  private ArrayList<DrawingLine> lines;
+
+  public Drawing()
+  {
+      reset();
+  }
+
+    public void reset() {
+    lines = new ArrayList<DrawingLine>(10);
+  }
+
+  public void addLine( DrawingLine line) {
+    lines.add( line);
+  }
+
+  public void saveLines( DataOutputStream destination) throws
+    java.io.IOException {
+    destination.writeInt( lines.size());
+    for ( DrawingLine line : lines )
+    {
+      line.save( destination);
+    }
+  }
+
+  public void loadLines( DataInputStream source) throws
+    java.io.IOException {
+    int nb_lines = source.readInt();
+    DrawingLine line;
+    for ( int i = 0; i < nb_lines; i++ ) {
+      line = new DrawingLine();
+      line.load( source);
+      lines.add( line);
+    }
+  }
+  
+  public void importImage( Importer importer) throws
+	    java.io.IOException 
+  {
+	  importer.importInto(this);
+  }
+
+  public void saveLinesKompressed( DataOutputStream destination) throws
+    java.io.IOException {
+    destination.writeInt( lines.size());    
+    for ( DrawingLine line : lines )
+    {
+      line.saveKompressed( destination);
+    }
+  }
+
+  public void loadLinesExpanded( DataInputStream source) throws
+    java.io.IOException {
+    // DrawLineExpander expander = new DrawLineExpander();
+    int nb_lines = source.readInt();
+    DrawingLine line;
+    for ( int i = 0; i < nb_lines; i++ ) {
+      line = new DrawingLine();
+      line.loadExpanded( source);
+      lines.add( line);
+    }
+  }
+
+  public int length() {
+    return lines.size();
+  }
+
+  public DrawingLine getLine( int line) throws ResetException, NoMoreLineException {
+    if ( line == lines.size() ) {
+      throw new NoMoreLineException();
+    }
+    if ( line > lines.size() ) {
+      throw new ResetException();
+    }
+    return lines.get( line);
+  }
+
+  public ArrayList<DrawingLine> getLines() { 
+	return new ArrayList<DrawingLine>(lines);
+  }
+  
+  /** Not a copy, use with care */
+  public ArrayList<DrawingLine> getInternLines() { 
+	return lines;
+  }
+
+}
--- a/java/org/artisanlogiciel/graphics/DrawingLine.java
+++ b/java/org/artisanlogiciel/graphics/DrawingLine.java
@@ -0,0 +1,96 @@
+/**
+ DrawingLine
+ keep track of list of Points constituting a line
+*/
+package org.artisanlogiciel.graphics;
+
+import java.awt.Point;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Serializable;
+import java.util.ArrayList;
+
+import org.artisanlogiciel.compression.graphics.DrawLineExpander;
+import org.artisanlogiciel.compression.graphics.DrawLineKompressor;
+
+public class DrawingLine implements Cloneable, Serializable
+{
+
+    ArrayList<Point> lines;
+
+  public DrawingLine() {
+    lines = new ArrayList<>();
+  }
+
+  public void addPoint( Point point) {
+    lines.add( point);
+  }
+
+  public void setPoints( ArrayList<Point> points) {
+    lines = points;
+  }
+
+  public Object clone() throws java.lang.CloneNotSupportedException {
+    return super.clone();
+  }
+
+  private void writePoint( Point p, DataOutputStream destination) throws
+    java.io.IOException {
+    destination.writeInt( p.x);
+    destination.writeInt( p.y);
+  }
+
+  private void readPoint( DataInputStream source) throws java.io.IOException {
+    Point point = new Point( source.readInt(), source.readInt());
+    lines.add( point);
+  }
+
+  public void save( DataOutputStream destination) throws
+    java.io.IOException {
+    destination.writeInt( lines.size());
+    for (int i=0; i < lines.size(); i++) {
+      writePoint( (Point) lines.get(i), destination);
+    }
+  }
+
+  public void load( DataInputStream source) throws
+    java.io.IOException {
+    int point_number = source.readInt();
+    for (int i=0; i < point_number; i++) {
+      readPoint( source);
+    }
+  }
+
+    /**
+     * send over the stream a compressed version of this line
+     */
+  public void saveKompressed( OutputStream destination) throws
+    java.io.IOException {
+    DrawLineKompressor kompressor = new DrawLineKompressor( lines);
+    kompressor.kompress( destination);
+  }
+
+    /**
+     * load form the stream a compressed version of this line
+     */
+  public void loadExpanded( InputStream source) throws
+    java.io.IOException {
+    DrawLineExpander expander = new DrawLineExpander();
+    lines = expander.expand( source);
+  }
+
+    public ArrayList<Point> getPoints() {
+	
+	return new ArrayList<Point>(lines); 
+    }
+
+    public ArrayList<Point> internalGetPoints() {
+	
+	return lines; 
+    }
+    
+
+}
+
--- a/java/org/artisanlogiciel/graphics/IMAImporter.java
+++ b/java/org/artisanlogiciel/graphics/IMAImporter.java
@@ -0,0 +1,94 @@
+package org.artisanlogiciel.graphics;
+
+import java.awt.Point;
+import java.io.DataInputStream;
+
+/**
+.IMA format is an old proprietary format for laser show program
+it contain a list of point the laser beam should goe through,
+x=255 has a special meaning to hide (255,254) ( send beam into the box) or show it (255,255): let is flow outside.
+*/
+public class IMAImporter implements Importer 
+{
+	
+	final DataInputStream mStream;
+	boolean mBeanOn = false;
+	int mIndex =0;
+	boolean mDebug = false;
+	
+	public IMAImporter(DataInputStream inputStream)
+	{
+		mStream=inputStream;
+	}
+
+    public void setDebug(boolean pDebug)
+    {
+	mDebug=pDebug;
+    }
+
+	@Override
+	public void importInto(Drawing drawing)
+	{
+		int x,y;
+		DrawingLine line = null;
+		mBeanOn = false;
+		try {
+			// little endian unsigned short
+			int pointCount = mStream.readUnsignedByte();
+			pointCount = ( 256 * mStream.readUnsignedByte() ) + pointCount;
+			if ( mDebug )
+			{
+				System.out.println("point count :" + pointCount);
+			}
+			for (int j = 0 ; j < pointCount; j+=2)
+			{
+				mIndex=j;
+				x = mStream.readUnsignedByte();
+				y = mStream.readUnsignedByte();
+				// special beam on/off
+				if ( ( x == 0xff ) && ( y >= 0xfe ) )
+				{
+					mBeanOn = ( y == 0xff);
+					if ( mDebug )
+					{
+						System.out.println("beam change at " + mIndex + " " + mBeanOn);
+					}
+				}
+				else
+				{
+					y = 255-y;
+					if ( mDebug )
+					{
+						System.out.println("point at " + mIndex + " " + mBeanOn + " x "  + x + " y " + y);
+					}					
+					if ( mBeanOn )
+					{
+						if (line == null )
+						{
+							line = new DrawingLine();
+						}
+						line.addPoint(new Point(x,y));					
+					}
+					else
+					{
+						if ( line != null )
+						{
+							drawing.addLine(line);
+							line = null;
+						}
+					}
+				}
+			}
+			if ( line != null )
+			{
+				drawing.addLine(line);
+				line = null;
+			}
+		}
+		catch( Exception any)
+		{
+			System.err.println(" error at index " + mIndex);
+			any.printStackTrace(System.err);
+		}	
+	}
+}
--- a/java/org/artisanlogiciel/graphics/IMAWriter.java
+++ b/java/org/artisanlogiciel/graphics/IMAWriter.java
@@ -0,0 +1,143 @@
+package org.artisanlogiciel.graphics;
+
+import java.awt.Point;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+
+/**
+ * Write a DrawLine (using its internal Vector representation) into IMA format
+ * this is with loss ( ima is a 255x255 point resolution )
+ *
+ * @author philippe
+ *
+ */
+public class IMAWriter {
+
+    private final ArrayList<DrawingLine> mLines;
+
+    private int mByteCount = 0;
+    // need to compute bounding box and normalize to 255x255
+    private Point mOrig = new Point(100000,100000);
+    private Point mMax = new Point(-100000,-100000);
+    double ratioX = .1;
+    double ratioY = .1;
+	
+    public IMAWriter(ArrayList<DrawingLine> pLines)
+    {
+	mLines = pLines;
+	setup();
+    }
+
+    private void updateOrigMax(Point p)
+    {
+	double ox = mOrig.getX(), oy = mOrig.getY(), mx = mMax.getX(), my = mMax.getY();
+	
+	if (p.getX() < ox )
+	    {
+		ox = p.getX();
+	    }
+	if (p.getX() > mx)
+	    {
+		mx = p.getX();
+	    }
+	if (p.getY() < oy )
+	    {
+		oy = p.getY();
+	    }
+	if (p.getY() > my)
+	    {
+		my = p.getY();
+	    }
+	mOrig.setLocation(ox,oy);
+	mMax.setLocation(mx,my);
+	
+    }
+
+    private void setup()
+    {
+	int count = 0;
+	for (DrawingLine line : mLines)
+	    {
+		for (Point p : line.getPoints())
+		    {
+			updateOrigMax(p);
+			count+=2;
+		    }
+		// beam on + off
+		count+=4;
+	    }
+	mByteCount=count;
+	if ( mMax.getX() != mOrig.getX())
+	    {
+		ratioX = 255 / (mMax.getX() - mOrig.getX());
+	    }
+	else
+	    {
+		ratioX = 1.;
+	    }
+	if ( mMax.getY() != mOrig.getY())
+	    {
+		ratioY = 255 / (mMax.getY() - mOrig.getY());
+	    }
+	else
+	    {
+		ratioY = 1.;
+	    }
+
+    }
+
+    public void writeTo(DataOutputStream pData)
+	throws IOException
+    {
+	int wrote = 0;
+	// writeheader : number of points ...
+	// little endian unsigned short.
+	pData.writeByte(mByteCount%256);
+	pData.writeByte(mByteCount/256);	    
+	for (DrawingLine line : mLines)
+	    {
+		// write ima line
+		wrote += writeLine(pData, line.getPoints());
+	    }
+	    
+    }
+
+    void writeBeamOnOff(DataOutputStream pData,boolean pOn)
+	throws IOException
+    {
+	pData.writeByte(0xff);
+	pData.writeByte(pOn ? 0xff : 0xfe);
+    }
+
+    void writePoint(DataOutputStream pData,Point pPoint)
+	throws IOException
+    {
+	int x = (int) ((pPoint.getX()-mOrig.getX()) * ratioX);
+	int y = 255 - ((int) ((pPoint.getY()-mOrig.getY()) * ratioY));
+	if ( x == 0xff )
+	    {
+		x=0xfe;
+	    }
+	pData.writeByte(x);
+	pData.writeByte(y);
+    }
+    
+    int writeLine(DataOutputStream pData,ArrayList<Point> pPoints)	
+	throws IOException
+    {
+	int count = 0;
+
+	for (Point p : pPoints)
+	    {
+		writePoint(pData,p);
+		if ( count == 0 )
+		    {
+			writeBeamOnOff(pData,true);
+		    }		       
+		count++;
+	    }
+	writeBeamOnOff(pData,false);
+	return 2*(count +2);
+    }
+}
--- a/java/org/artisanlogiciel/graphics/Importer.java
+++ b/java/org/artisanlogiciel/graphics/Importer.java
@@ -0,0 +1,8 @@
+package org.artisanlogiciel.graphics;
+
+public interface Importer {
+
+    void importInto(Drawing drawing);
+    void setDebug(boolean pDebug);
+	
+}
--- a/java/org/artisanlogiciel/graphics/NoMoreLineException.java
+++ b/java/org/artisanlogiciel/graphics/NoMoreLineException.java
@@ -0,0 +1,31 @@
+/*
+    This file is part of ShareDrawWeb.
+
+    ShareDrawWeb is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    ShareDrawWeb is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with ShareDrawWeb; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+ */
+
+package org.artisanlogiciel.graphics;
+
+import java.io.Serializable;
+
+public class NoMoreLineException
+    extends DrawException
+    implements Serializable
+{
+  public NoMoreLineException() {
+    super();
+  }
+}
--- a/java/org/artisanlogiciel/graphics/ResetException.java
+++ b/java/org/artisanlogiciel/graphics/ResetException.java
@@ -0,0 +1,28 @@
+/*
+    This file is part of ShareDrawWeb.
+
+    ShareDrawWeb is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    ShareDrawWeb is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with ShareDrawWeb; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+ */
+
+package org.artisanlogiciel.graphics;
+
+public class ResetException
+    extends DrawException
+{
+  public ResetException() {
+    super();
+  }
+}
--- a/java/org/artisanlogiciel/graphics/SvgWriter.java
+++ b/java/org/artisanlogiciel/graphics/SvgWriter.java
@@ -0,0 +1,65 @@
+package org.artisanlogiciel.graphics;
+
+import java.awt.Point;
+//import java.io.DataOutputStream;
+import java.io.OutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+
+/**
+ * Write a DrawLine (using its internal Vector representation) into svg
+ * 
+ * @author philippe
+ *
+ */
+public class SvgWriter {
+
+	private final ArrayList<DrawingLine> mLines;
+	
+	public SvgWriter(ArrayList<DrawingLine> pLines)
+	{
+		mLines = pLines;
+	}
+	
+	public void writeTo(OutputStream pData)
+	throws IOException
+	{
+	    pData.write("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>".getBytes("UTF8"));
+	    pData.write("<svg>".getBytes("UTF8"));
+		for (DrawingLine line : mLines)
+		{
+			pData.write("<g><path ".getBytes("UTF8"));
+			pData.write("style=\"fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1\" d=\"".getBytes("UTF8"));
+			pData.write( getSvgPathString(line.getPoints()).getBytes("UTF8"));
+			pData.write(" \" /></g>".getBytes("UTF8"));
+		}
+		pData.write("</svg>".getBytes("UTF8"));
+	}
+	
+	String getSvgPathString(ArrayList<Point> pPoints)
+	{		
+		StringBuilder sb = new StringBuilder(pPoints.size() * 10);				
+		Point second = null;
+		Point previous = null;
+		for ( Point p : pPoints)
+		{
+		    if ( previous != null )
+			{
+			     if ( second == null )
+				 {
+				     second = p;
+				     // 'l' a line ( 'c' woudl be a curve )
+				     sb.append(" l ");
+				 }
+			     sb.append( ""  +  (p.getX() - previous.getX()) + "," + (p.getY() - previous.getY()) );
+			     previous = p;
+			}
+			else
+			{
+			    sb.append("m " + p.getX() + "," + p.getY());
+			    previous = p;
+			}
+		}
+		return  sb.toString();
+	}
+}
--- a/java/org/artisanlogiciel/lua/.gitignore
+++ b/java/org/artisanlogiciel/lua/.gitignore
@@ -0,0 +1,7 @@
+/CharProvider.class
+/LuaNumber.class
+/LuaObject.class
+/LuaSequence.class
+/LuaString.class
+/LuaTuple.class
+/Parser.class
--- a/java/org/artisanlogiciel/lua/Parser.java
+++ b/java/org/artisanlogiciel/lua/Parser.java
@@ -62,7 +62,7 @@ public class Parser {
        pushBackChar(c);
        if ( errors == null)
        {
-            errors = new ArrayList();
+            errors = new ArrayList<String>();
        }
        System.err.println(info);
        errors.add(info);
--- a/java/org/artisanlogiciel/osm/.gitignore
+++ b/java/org/artisanlogiciel/osm/.gitignore
@@ -0,0 +1,4 @@
+/Node.class
+/NodeRef.class
+/OsmReader.class
+/Way.class
--- a/java/org/artisanlogiciel/osm/convert/.gitignore
+++ b/java/org/artisanlogiciel/osm/convert/.gitignore
@@ -0,0 +1 @@
+/OsmToDrawing.class
--- a/java/org/artisanlogiciel/osm/convert/OsmToDrawing.java
+++ b/java/org/artisanlogiciel/osm/convert/OsmToDrawing.java
@@ -37,9 +37,10 @@ public class OsmToDrawing {

    public OsmToDrawing(OsmReader reader, int mulx, int muly)
    {
-        this.refx = reader.getMinlat();
+        this.refx = reader.getMinlon();
+        this.refy = reader.getMaxlat();
+
        this.minlat = reader.getMinlat();
-        this.refy = reader.getMinlon();
        this.minlon = reader.getMinlon();
        this.maxlat = reader.getMaxlat();
        this.maxlon = reader.getMaxlon();
@@ -92,7 +93,7 @@ public class OsmToDrawing {
                boundserror ++;
                System.err.println("lon > minlon " + lon);
            }
-            drawingLine.addPoint(new Point((int) ( (lon - refy ) * muly), (int) ( (lat - refx)* mulx ) ));
+            drawingLine.addPoint(new Point((int) ( ( lon - refx ) * mulx), (int) ( ( refy - lat ) * muly ) ));            
        }
        return drawingLine;
    }
--- a/java/org/artisanlogiciel/util/.gitignore
+++ b/java/org/artisanlogiciel/util/.gitignore
@@ -0,0 +1 @@
+/UTF8Control.class
--- a/java/org/artisanlogiciel/xpm/.gitignore
+++ b/java/org/artisanlogiciel/xpm/.gitignore
@@ -0,0 +1 @@
+/Xpm.class
--- a/java/out/production/laby/.classpath
+++ b/java/out/production/laby/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path=""/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="con" path="org.eclipse.fx.ide.jdt.core.JAVAFX_CONTAINER"/>
+	<classpathentry kind="output" path=""/>
+</classpath>
--- a/java/out/production/laby/.project
+++ b/java/out/production/laby/.project
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Karmazoff</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
--- a/java/out/production/laby/LabelsBundle.properties
+++ b/java/out/production/laby/LabelsBundle.properties
@@ -0,0 +1,15 @@
+width = Width
+height = Height
+depth = Depth
+north = North
+south = South
+east = East
+west = West
+resolve = Resolve
+create = Create
+save = Save
+quit = Quit
+title = A Maz ing
+seed = seed
+load = Load
+reverse = Reverse
--- a/java/out/production/laby/LabelsBundle_fr.properties
+++ b/java/out/production/laby/LabelsBundle_fr.properties
@@ -0,0 +1,15 @@
+width = Largeur
+height = Hauteur
+depth = Profondeur
+north = Nord
+south = Sud
+east = Est
+west = Ouest
+resolve = Résoudre
+create = Créer
+save = Sauver
+quit = Quitter
+title = La Bireinte
+seed = graine
+load = Charger
+reverse = Inverse
--- a/java/out/production/laby/Makefile
+++ b/java/out/production/laby/Makefile
@@ -0,0 +1,59 @@
+PACKAGE=org.artisanlogiciel.games
+PACKAGE_DIR=$(subst .,/,$(PACKAGE))
+# maps with ant build.xml
+OUT=../build
+# external libraries
+LIBS=../libs/artgaphics-0.1.0.jar
+EDITOR=emacs
+
+$(OUT):
+	echo "[ERROR] Missing $(OUT)"
+#	mkdir -p $(OUT)
+
+clean:
+	@find $(PACKAGE_DIR) -name "*.class" -type f -print0|xargs -0 --no-run-if-empty rm 2>/dev/null
+	@find $(OUT) -name "*.class" -type f -print0|xargs -0 --no-run-if-empty rm 2>/dev/null
+
+test:
+	echo "$(pwd)/$(PACKAGE_DIR)"
+	javac -sourcepath . -cp $(LIBS) -d $(OUT) $(PACKAGE_DIR)/LabyModel.java
+	javac -sourcepath . -cp $(LIBS) -d $(OUT) $(PACKAGE_DIR)/Main.java
+	java -cp $(OUT):$(LIBS):../lang $(PACKAGE).Main
+
+
+run/%:	$(OUT)
+	javac -cp $(LIBS):$(OUT) -d $(OUT) $(PACKAGE_DIR)/$(subst run/,,$@).java
+	java -cp $(OUT):$(LIBS) $(PACKAGE)/$(subst run/,,$@) 
+
+display:	run/Display
+
+
+display/%: $(OUT)
+	javac -cp $(LIBS) -d $(OUT) $(PACKAGE_DIR)/Display.java
+	java -cp $(OUT):$(LIBS) $(PACKAGE).Display $(subst display/,,$@)
+
+compile/%:
+	javac -d $(OUT) $(PACKAGE_DIR)/$(subst compile/,,$@).java
+
+$(PACKAGE_DIR)/%.java:
+	./generate_new.sh class $(subst .java,,$(subst $(PACKAGE_DIR)/,,$@))
+
+interface/%:
+	./generate_new.sh interface package_dir=$(PACKAGE_DIR) $(subst interface/,,$@)
+	$(EDITOR) $(PACKAGE_DIR)/$(subst interface/,,$@).java
+
+work/%:	$(PACKAGE_DIR)/$(subst work/,,%).java
+	$(EDITOR) $<
+
+work:	work/LabyModel
+
+save:	
+	git citool
+
+.PHONY: clean test work display work/% run/% save compile/% interface/%
+
+# tried to avoid intermediate file removal : does not work
+# .SECONDARY: $(PACKAGE_DIR)/%.java 
+
+# this does work : once precious intermediate file is not removed.
+.PRECIOUS: $(PACKAGE_DIR)/%.java 
--- a/java/out/production/laby/README
+++ b/java/out/production/laby/README
@@ -0,0 +1,24 @@
+A Maze generator that keep all reverse paths to solutions.
+
+See Makefile
+
+#clean 
+make clean
+
+#console
+make test
+
+#gui
+make display
+
+#code emacs : work/ClassName
+make work/Display
+
+#run a class
+make run/Display
+
+#save work with git (ie git citool )
+make save
+
+# create an interface
+make interface/InterfaceName
--- a/java/out/production/laby/TODO
+++ b/java/out/production/laby/TODO
@@ -0,0 +1,16 @@
+By pref
+
+- rendering
+GUI
+* WALK it...
+* regenerate it
+
+CONSOLE :
+* provide interactive ( view a part of maze )
+
+- model
+* saving in stream ( better than in toString() that basically fails... )
+
+- format :
+3D format ( for 3Dprinting )
+
--- a/lab/lab100x100.raw
+++ b/lab/lab100x100.raw
--- a/lab/lab100x100.stl
+++ b/lab/lab100x100.stl
--- a/lab/lab12x35.raw
+++ b/lab/lab12x35.raw
--- a/lab/lab12x35.stl
+++ b/lab/lab12x35.stl
--- a/lab/lab20x20.gcode
+++ b/lab/lab20x20.gcode
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
philippe lhardy	7bef98a33a	update zstd-jnilib to latest and provide in fetch_dependencies information of latest Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-02 20:21:31 +01:00
philippe lhardy	fcda589742	cleanup remove samples	2025-11-02 18:30:07 +01:00
philippe lhardy	bce0e160d8	don't build build.xml, maintain it manualy remove antify.sh and related builx.xml target makefile Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-02 18:10:21 +01:00
philippe lhardy	36e58808d5	don't depend on sharedrawweb use directly sharedrawweb java code here Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-02 18:04:02 +01:00
philippe lhardy	e78da6ec76	cleanup continued missing files toolbox related makefiles remove bootstrapbuild.sh since was for c code not in that project Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-02 08:46:16 +01:00
philippe lhardy	3c4b44e837	add missing script coming from unlinked artlog toolbox project not mandatory but consistent to have all code Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-02 08:41:53 +01:00
philippe lhardy	1b0be89766	fix dependencies and BUILD.md for public build Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-01 23:35:33 +01:00
philippe lhardy	180718c36f	Merge branch 'pi' # Conflicts: # BUILD.md # fetch_dependencies.sh	2025-11-01 23:02:15 +01:00
philippe lhardy	2b050cccda	better dependencies fetching - provide git url for sharedrawweb	2025-11-01 22:57:33 +01:00
philippe lhardy	f3d1af1d45	add buildings too, not only ways Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-01 19:33:20 +01:00
philippe lhardy	9bb481d0b3	x is longitude y is latitude and y axis is reversed in maze ( (0,0) is upper left square of maze ). Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-01 19:32:20 +01:00
philippe lhardy	8fdea9ed3a	copytominetest using metascript Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-01 16:15:15 +01:00
philippe lhardy	1d96ee089b	don't bind to artlog toolbox Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-01 15:39:35 +01:00
philippe lhardy	f27120cc50	discard c code was an empty stub Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-01 15:37:25 +01:00
philippe lhardy	06a46343e0	markdown README.md Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-01 15:23:10 +01:00
philippe lhardy	ab6746ed5c	metascript and printclonedep will move to metascript Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-01 15:12:45 +01:00
philippe lhardy	65cc0f4c62	pending files commited don't really knwon what i am doing here, commit pending code ... Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>	2025-11-01 14:09:35 +01:00
philippe lhardy	70744610cc	Merge branch 'rebasepi' into pi # Conflicts: # fetch_dependencies.sh	2023-07-30 10:23:02 +02:00
philippe lhardy	9792b79c56	MaimMim Man in the middle minetest interceptor - prototype - between client and server, allow to capture all exchanges and potentially change them - created to capture server maps in laby - first test get only MapBlock, support version serialization version 28 - prepartion for 29 with zstd but untested. # Conflicts: # fetch_dependencies.sh	2023-07-30 10:18:45 +02:00
philippe lhardy	6d7c03d468	MaimMim Man in the middle minetest interceptor - prototype - between client and server, allow to capture all exchanges and potentially change them - created to capture server maps in laby - first test get only MapBlock, support version serialization version 28 - prepartion for 29 with zstd but untested.	2022-04-23 11:54:25 +02:00
philippe lhardy	1e03ae561c	Merge branch 'pi' of framagit.org:artlog/artloglaby into pi	2022-04-17 13:37:58 +02:00
philippe lhardy	744999802c	fix first column and firt line not drawable - within() method should include first point and exclude last.	2022-04-17 13:36:35 +02:00