1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*******************************************************************************
* Copyright (c) 2015 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public
* License v3.0 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.lang.reflect.Field;
import java.util.Map;
import java.util.jar.JarFile;
import javassist.CtClass;
import javassist.CtField;
import com.google.common.collect.Maps;
import cuchaz.enigma.analysis.JarClassIterator;
import cuchaz.enigma.mapping.ClassEntry;
import cuchaz.enigma.mapping.ClassMapping;
import cuchaz.enigma.mapping.ClassNameReplacer;
import cuchaz.enigma.mapping.FieldEntry;
import cuchaz.enigma.mapping.FieldMapping;
import cuchaz.enigma.mapping.EntryFactory;
import cuchaz.enigma.mapping.Mappings;
import cuchaz.enigma.mapping.MappingsReader;
import cuchaz.enigma.mapping.MappingsWriter;
import cuchaz.enigma.mapping.Type;
public class MainFormatConverter {
public static void main(String[] args)
throws Exception {
System.out.println("Getting field types from jar...");
JarFile jar = new JarFile(System.getProperty("user.home") + "/.minecraft/versions/1.8/1.8.jar");
Map<String,Type> fieldTypes = Maps.newHashMap();
for (CtClass c : JarClassIterator.classes(jar)) {
for (CtField field : c.getDeclaredFields()) {
FieldEntry fieldEntry = EntryFactory.getFieldEntry(field);
fieldTypes.put(getFieldKey(fieldEntry), moveClasssesOutOfDefaultPackage(fieldEntry.getType()));
}
}
System.out.println("Reading mappings...");
File fileMappings = new File("../Enigma Mappings/1.8.mappings");
MappingsReader mappingsReader = new MappingsReader() {
@Override
protected FieldMapping readField(String[] parts) {
// assume the void type for now
return new FieldMapping(parts[1], new Type("V"), parts[2]);
}
};
Mappings mappings = mappingsReader.read(new FileReader(fileMappings));
System.out.println("Updating field types...");
for (ClassMapping classMapping : mappings.classes()) {
updateFieldsInClass(fieldTypes, classMapping);
}
System.out.println("Saving mappings...");
try (FileWriter writer = new FileWriter(fileMappings)) {
new MappingsWriter().write(writer, mappings);
}
System.out.println("Done!");
}
private static Type moveClasssesOutOfDefaultPackage(Type type) {
return new Type(type, new ClassNameReplacer() {
@Override
public String replace(String className) {
ClassEntry entry = new ClassEntry(className);
if (entry.isInDefaultPackage()) {
return Constants.NonePackage + "/" + className;
}
return null;
}
});
}
private static void updateFieldsInClass(Map<String,Type> fieldTypes, ClassMapping classMapping)
throws Exception {
// update the fields
for (FieldMapping fieldMapping : classMapping.fields()) {
setFieldType(fieldTypes, classMapping, fieldMapping);
}
// recurse
for (ClassMapping innerClassMapping : classMapping.innerClasses()) {
updateFieldsInClass(fieldTypes, innerClassMapping);
}
}
private static void setFieldType(Map<String,Type> fieldTypes, ClassMapping classMapping, FieldMapping fieldMapping)
throws Exception {
// get the new type
Type newType = fieldTypes.get(getFieldKey(classMapping, fieldMapping));
if (newType == null) {
throw new Error("Can't find type for field: " + getFieldKey(classMapping, fieldMapping));
}
// hack in the new field type
Field field = fieldMapping.getClass().getDeclaredField("m_obfType");
field.setAccessible(true);
field.set(fieldMapping, newType);
}
private static Object getFieldKey(ClassMapping classMapping, FieldMapping fieldMapping) {
return classMapping.getObfSimpleName() + "." + fieldMapping.getObfName();
}
private static String getFieldKey(FieldEntry obfFieldEntry) {
return obfFieldEntry.getClassEntry().getSimpleName() + "." + obfFieldEntry.getName();
}
}
|
