Added util to unzip, decompile and parse a minecraft jar. (WIP)

utils/jad/decompile.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Remove old
+rm -rf ./jarfile ./classes
+
+# Create directories
+mkdir jarfile
+mkdir classes
+
+# Decompress the jarfile into the jarfile folder
+unzip jarfile.jar -d ./jarfile
+
+# Find all the classes and pass then through JAD
+#find . -type d -name *.class -exec rm -rf {} \;
+ls ./jarfile/*.class | xargs -n1 ./jad -sjava -dclasses 
+
+# Remove classfiles and left only other files
+rm ./jarfile/*.class

utils/jad/match.py

@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+
+import re
+import json
+from pprint import pprint
+
+###
+#   CONFIGURATION
+###
+
+DEBUG = True
+
+ITEMS_FILE = 'wk.java'
+BLOCKS_FILE = 'apa.java'
+
+#bL = (new xc(135, 4, 0.6F, apa.ch.cz, apa.aE.cz)).b("carrots");
+#bM = (new xc(136, 1, 0.3F, apa.ci.cz, apa.aE.cz)).b("potato");
+#bO = (new wf(138, 2, 0.3F, false)).a(mk.u.H, 5, 0, 0.6F).b("potatoPoisonous");
+#bQ = (new wf(140, 6, 1.2F, false)).b("carrotGolden").c(xu.l);
+ITEMS_PATTERN = "new [a-z]{2}\((?P<id>[1-9]{1,3})[, (?P<hunger>\d+)]?.*\"(?P<name>\w+)\""
+BLOCKS_PATTERN = ITEMS_PATTERN
+
+###
+#   GLOBALS
+###
+BLOCKS = []
+ITEMS = []
+
+###
+#   GET ITEMS INFO FROM CLASSFILE
+###
+print("=> Mining items")
+# Old items for final count
+try:
+    olditems = open('items.json').read()
+    OLD_ITEMS = len(json.loads(olditems))
+except:
+    OLD_ITEMS = 0
+
+file_handler = open('./classes/%s' % ITEMS_FILE)
+data = file_handler.read().split("\n")
+
+item_regex = re.compile(ITEMS_PATTERN)
+
+for line in data:
+    if '"' in line:
+        if DEBUG:
+            print(line)
+        t = item_regex.search(line)
+        if t:
+            item = {
+                'line': t.group(0).strip(),
+                'code_id': int(t.group('id')),
+                'id': int(t.group('id')) + 1 + 255,
+                'internal_name': t.group('name')
+            }
+            item = t.groupdict()
+            if DEBUG:
+                print(item)
+            
+            ITEMS.append(item)
+print('Fetched %d items (%d new)' % (len(ITEMS), abs(OLD_ITEMS-len(ITEMS))))
+
+olditems = open('items.json', 'w')
+olditems.write(json.dumps(ITEMS))

utils/jad/match2.py

@@ -0,0 +1,110 @@
+#!/usr/bin/env python
+
+import re
+import json
+import sys
+from pprint import pprint
+
+###
+#   CONFIGURATION
+###
+
+DEBUG = True
+
+ITEMS_FILE = 'wk.java'
+BLOCKS_FILE = 'apa.java'
+
+#bL = (new xc(135, 4, 0.6F, apa.ch.cz, apa.aE.cz)).b("carrots");
+#bM = (new xc(136, 1, 0.3F, apa.ci.cz, apa.aE.cz)).b("potato");
+#bO = (new wf(138, 2, 0.3F, false)).a(mk.u.H, 5, 0, 0.6F).b("potatoPoisonous");
+#bQ = (new wf(140, 6, 1.2F, false)).b("carrotGolden").c(xu.l);
+#ITEMS_PATTERN = 'new (?P<code>\w{1,2}.*)\;'
+ITEMS_PATTERN = "new (?P<code>[a-z]{2}\((?P<id>[1-9]{1,3})[, (?P<hunger>\d+)]?.*\"(?P<name>\w+)\"\))"
+BLOCKS_PATTERN = ITEMS_PATTERN
+
+class GameItem(object):
+    def __init__(self, game_id, b=None, c=None, d=None, e=None):
+        self.game_id = int(game_id)
+        pass
+
+    def __str__(self):
+        return "<GameItem(%d: '%s')>" % (self.game_id, self.name)
+
+    def b(self, name):
+        "Sets the item name."
+        self.name = name
+        return self
+
+    def d(self, a):
+        return self
+
+    def p(self):
+        return self
+
+    def j(self):
+        return self
+
+    def a(self, a=None, b=None, c=None, d=None, e=None):
+        return self
+
+def sanitize(string):
+    "Converts parameters and stuff to be correctly evaluated."
+    # Remove double parentesis
+    sane = string.strip().replace('))', ')')
+    # Boolean values
+    sane = sane.strip().replace('false', 'False')
+    sane = sane.strip().replace('true', 'True')
+    # Convert float values to string
+    #regex = re.compile('(\d\.\d\w)')
+    #sane = regex.sub("'\1'", sane)
+    # Convert rest t
+    regex = re.compile('([, |\(])([0-9a-zA-Z\.]+)')
+    sane = regex.sub(r'\1"\2"', sane)
+    return sane
+
+###
+#   GLOBALS
+###
+BLOCKS = []
+ITEMS = []
+
+###
+#   GET ITEMS INFO FROM CLASSFILE
+###
+print("=> Mining items")
+# Old items for final count
+try:
+    olditems = open('items.json').read()
+    OLD_ITEMS = len(json.loads(olditems))
+except:
+    OLD_ITEMS = 0
+
+file_handler = open('./classes/%s' % ITEMS_FILE)
+data = file_handler.read().split("\n")
+
+item_regex = re.compile(ITEMS_PATTERN)
+class_error_regex = re.compile('name \'(?P<name>\w+)\' is not defined')
+
+for line in data:
+    if '"' in line:
+        t = item_regex.search(line)
+        if t:
+            item = t.groupdict()
+            print("Line: " + item['code'])
+            item['code'] = sanitize(item['code'])
+            print("Sanitize: " + item['code'])
+            try:
+                obj = eval(item['code'])
+            except NameError as error:
+                class_name = class_error_regex.search(error.__str__()).group('name')
+                setattr(sys.modules[__name__], class_name, GameItem)
+                obj = eval(item['code'])
+
+            print("result object: " + obj.__str__())
+
+            ITEMS.append(obj)
+            print('- - - - - -')
+print('Fetched %d items (%d new)' % (len(ITEMS), abs(OLD_ITEMS-len(ITEMS))))
+
+#olditems = open('items.json', 'w')
+#olditems.write(json.dumps(ITEMS))