That is, most of the business code should not be aware that it is being compiled to multiple versions even when it heavily interacts with MC, preprocessor statements should be an escape hatch, not the norm. Similarly, code should not be forced to do `MCVer.getWindow(mc)` instead of the much more intuitive `mc.getWindow()`, and a new preprocessor (technically remap) feature makes this possible by defining "search and replace"-like patterns (but smarter in that they are type-aware) in one or more central places (the "Patterns.java" files) which then are applied all over the code base. In a way, this is another step in the automatic back-porting process where preprocessor statements are used when we cannot yet do something automatically. Previously we "merely" automatically converted between different mapping, this new feature now also allows us to automatically perform simple refactoring tasks like changing field access to a getter+setter (e.g. `mc.getWindow()`), or changing how a method is called (e.g. `BufferBuilder.begin`), or changing a method call chain (e.g. `dispatcher.camera.getYaw()`), or most other search-and-replace-like changes and any combination of those. The only major limitation is that the replacement itself is not smart, so arguments must be kept in same order (or be temporarily assigned to local variables which then can be used in any order).
3.7 KiB
ReplayMod
A Minecraft mod to record game sessions and replay them afterwards from any perspective.
Building
Make sure your sub-projects are up-to-date: git submodule update --init --recursive
For compiling 1.7.10, you must run ./gradlew :jGui:1.7.10:setupDecompWorkspace :1.7.10:setupDecompWorkspace once after the initial clone. This may take quite some time.
No IDE
You can build the mod by running ./gradlew build (or just ./gradlew shadowJar). You can then find the final jar files in versions/$MCVERSION/build/libs/.
You can also build single versions by running ./gradlew :1.8:build (or just ./gradlew :1.8:shadowJar) (builds the MC 1.8 version).
IntelliJ
Ensure you have at least IDEA 2020.1.
Build the mod via Gradle as explained above at least once (./gradlew compileJava should be sufficient). This will ensure that the sources for all MC versions are generated.
Then import the Gradle project from within IDEA: File -> Open -> build.gradle -> Open as Project
Finally configure IDEA to build everything by itself instead of delegating it to Gradle (cause that is slow): File -> Settings -> Build, Execution, Deployment -> Build Tools -> Gradle -> Build and run using: IntelliJ IDEA
Eclipse
Development
Branches
Loosely based on this branching model with stable instead of master.
TL;DR:
Main development happens on the develop branch, snapshots are built from this branch.
The stable branch contains the most recent release.
The master branch is solely to be used for the version.json file that contains a list of all versions
used by the clients to check for updates of this mod.
The Preprocessor
To support multiple Minecraft versions with the ReplayMod, a JCP-inspired preprocessor is used. It has by now acquired a lot more sophisticated features to make it as noninvasive as possible. Please read the preprocessor's README to understand how it works.
Versioning
The ReplayMod uses the versioning scheme outlined here with three changes:
- No
MAJORAPI, the ReplayMod does not provide any external API - "Updating to a new Minecraft version" should not increment
MAJORMOD, we maintain one version of the ReplayMod for each version of Minecraft and all these versions share the same feature set (and most bugs). We therefore try to keep the version name the same for all of them (with the exception ofMCVERSIONof course). This also means that the "Multiple Minecraft Version" section does not apply. - For pre-releases the shorter
-bXis used instead of-betaX
When a new version is (pre-)release, a new commit modifying the version.txt file should be added and the
versions.json file in the master branch should be updated. To simplify this process the gradle task doRelease can
be used: ./gradlew -PreleaseVersion=2.0.0-rc1 doRelease. It will create the commit and update the version.json
accordingly.
Care should be taken that the updated version.json is not pushed before a jar file is available on the
download page (or Jenkins) as it will inform the users of the update.
Bugs
GitHub should generally be used to report bugs.
In the past, bugs were tracked via Bugzilla, so bug numbers in commits prior to 2020 such as (fixes #42) generally referred to Bugzilla unless noted otherwise.
License
The ReplayMod is provided under the terms of the GNU General Public License Version 3 or (at your option) any later version.
See LICENSE.md for the full license text.