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--- tutorial:reading_mc_code [2021/10/01 15:48] – add more tips siglong
+++ tutorial:reading_mc_code [2025/08/10 02:09] (current) – [FAQ] Clarification about jar location skycatminepokie
@@ Line 6: / Line 6: @@
 To read the Minecraft source, you need to generate sources first. See the "Generating Minecraft Sources" section in [[tutorial:setup|Setting up a mod development environment]].
-===== Searching for a Minecraft class ====
+===== Searching for a Minecraft class =====
 To search a Minecraft class, follow these steps.
-==== Intellij IDEA ====
+===== Intellij IDEA =====
-    - Open the search pane with ''Ctrl + N''
+    - Open the search pane with {{https://i.ibb.co/rmztpCy/IMG-0712.png?height=64}} or {{https://i.ibb.co/2SDypGK/kbs-meta-o.png?height=80}} on mac
     - Set the search scope to ''Project and Libraries'' or wider
     - Type the class name in the search box
-==== Visual Studio Code ====
+===== Visual Studio Code =====
     - Open the search pane with ''Ctrl + P''
     - Type the class name with prefix ''#''
+===== Eclipse =====
+    - Open the search pane with ''Ctrl + Shift + T''
 In Visual Studio Code, you can also use ''Ctrl + T'' to open the class search directly.
@@ Line 25: / Line 28: @@
     * Take full advantage of IDE's ability to find the relevant code such as ''Call hierarchy'', ''Method hierarchy'' or ''Type hierarchy''.
     * Take a look at open source mods which are similar to what you want to make.
-    * If you are adding a new content, there is a good chance you need to access registries defined in ''net.minecraft.util.registry.Registry''.
+    * If you are adding a new content, there is a good chance you need to access registries defined in ''net.minecraft.util.registry.Registries''.
     * Keep in mind that everything starts from one main class (''net.minecraft.client.main.Main'' for client, ''net.minecraft.server.Main'' for dedicated server).
+    * Search Minecraft code for translation keys. ''assets/assets/minecraft/lang/en_us.json'' contains all keys used in vanilla.
 ===== Reading the bytecode =====
 Reading the bytecode is occasionally required because
     * Mixin operates on bytecode, not the source code. Understanding the bytecode is essential when you write a complex mixin.
-    * Decompiler (FernFlower) is not perfect. It sometimes produce an invalid java code such as ''int i = true;''.
+    * Decompiler (FernFlower) is not perfect. It sometimes produces an invalid java code such as ''int i = true;''.
+If you are not familiar with the java bytecode, reference [[https://docs.oracle.com/javase/specs/jvms/se17/html/jvms-6.html|the JVM specification]].
 To see the bytecode, follow these steps.
@@ Line 41: / Line 47: @@
 ==== External Tools ====
-If your IDE doesn't support bytecode viewing, you can use external bytecode viewers such as https://github.com/Konloch/bytecode-viewer.
+If your IDE doesn't support bytecode viewing, use external bytecode viewers such as https://github.com/Konloch/bytecode-viewer.
 ===== FAQ =====
-**Where is the generated sources?**
+**Where are the generated sources?**
-It's in the user gradle cache (i.e. ''~/.gradle/caches/fabric-loom'').
+It's either in the user gradle cache (''~/.gradle/caches/fabric-loom'') or in the project gradle cache (''./.gradle/loom-cache''). **You may have to go inside a few folders to find what you're looking for.**
 You can use the sources jar outside of your IDE.