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Actually call mod entrypoints.

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This commit is contained in:
bʰedoh₂ swé 2026-01-18 23:23:23 +03:00
parent 771f22eaa8
commit 0b11a7795e
4 changed files with 53 additions and 16 deletions
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3
app/src/main/java/sib/bedohswe/hellofabric/Main.java
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@ -1,11 +1,14 @@
package sib.bedohswe.hellofabric; package sib.bedohswe.hellofabric;
public class Main { public class Main {
public static void callEntrypoints() {}
public String getMessage() { public String getMessage() {
return "Hello World!"; return "Hello World!";
} }
public static void main(String args[]) { public static void main(String args[]) {
callEntrypoints();
System.out.println(new Main().getMessage()); System.out.println(new Main().getMessage());
} }
} }

49
app/src/main/java/sib/bedohswe/hellofabric/modloader/GamePatchImpl.java Normal file
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@ -0,0 +1,49 @@
package sib.bedohswe.hellofabric.modloader;
import com.google.j2objc.annotations.Property;
import net.fabricmc.api.ClientModInitializer;
import net.fabricmc.api.ModInitializer;
import net.fabricmc.loader.impl.FabricLoaderImpl;
import net.fabricmc.loader.impl.game.patch.GamePatch;
import net.fabricmc.loader.impl.launch.FabricLauncher;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.*;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Objects;
import java.util.function.Consumer;
import java.util.function.Function;
import static sib.bedohswe.hellofabric.modloader.GameProviderImpl.PROPERTY_APP_DIRECTORY;
public class GamePatchImpl extends GamePatch {
public static void initClient() {
Path runDir = Paths.get(System.getProperty(PROPERTY_APP_DIRECTORY));
FabricLoaderImpl loader = FabricLoaderImpl.INSTANCE;
loader.prepareModInit(runDir, FabricLoaderImpl.INSTANCE.getGameInstance());
loader.invokeEntrypoints("main", ModInitializer.class, ModInitializer::onInitialize);
loader.invokeEntrypoints("client", ClientModInitializer.class, ClientModInitializer::onInitializeClient);
}
@Override
public void process(FabricLauncher launcher, Function<String, ClassNode> classSource, Consumer<ClassNode> classEmitter) {
String entrypoint = launcher.getEntrypoint();
ClassNode entrypointClazz = Objects.requireNonNull(classSource.apply(entrypoint), "Failed to load entrypoint class.");
MethodNode initMethod = Objects.requireNonNull(findMethod(entrypointClazz,
(method) -> method.name.equals("callEntrypoints") && method.desc.equals("()V")
), "Failed load load entrypoint method.");
initMethod.instructions.insertBefore(initMethod.instructions.getFirst(), new MethodInsnNode(
Opcodes.INVOKESTATIC,
"sib/bedohswe/hellofabric/modloader/GamePatchImpl",
"initClient",
"()V",
false));
classEmitter.accept(entrypointClazz);
}
}

2
app/src/main/java/sib/bedohswe/hellofabric/modloader/GameProviderImpl.java
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@ -26,7 +26,7 @@ public class GameProviderImpl implements GameProvider {
public static final String PROPERTY_APP_DIRECTORY = "appDirectory"; public static final String PROPERTY_APP_DIRECTORY = "appDirectory";
private static final GameTransformer TRANSFORMER = new GameTransformerImpl(); private static final GameTransformer TRANSFORMER = new GameTransformer(new GamePatchImpl());
private Arguments arguments; private Arguments arguments;
private Path appJar; private Path appJar;

15
app/src/main/java/sib/bedohswe/hellofabric/modloader/GameTransformerImpl.java
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@ -1,15 +0,0 @@
package sib.bedohswe.hellofabric.modloader;
import net.fabricmc.loader.impl.game.patch.GameTransformer;
public class GameTransformerImpl extends GameTransformer {
/*
* @param className The class name,
* @return The transformed class data.
*/
@Override
public byte[] transform(String name) {
return null;
}
}