Fix Explosion mixin for 1.21.1

.codex/project.md

@@ -2,7 +2,7 @@
 
 ## Project
 
-`Explosion Overhaul` is a private porting workspace for moving the upstream Forge 1.20.1 mod `Explosion Overhaul: A new level of destruction` to NeoForge `21.1.228` for Minecraft `1.21.1`.
+`Explosion Overhaul` is a private porting workspace for moving the upstream Forge 1.20.1 mod `Explosion Overhaul: A new level of destruction` to NeoForge `21.1.225` for Minecraft `1.21.1`.
 
 Repository:
 
@@ -30,7 +30,7 @@ gradlew.bat runClient
 
 ## Stack
 
-Minecraft mod, Java 21, NeoForge `21.1.228`, Minecraft `1.21.1`.
+Minecraft mod, Java 21, NeoForge `21.1.225`, Minecraft `1.21.1`.
 
 ## Build Artifacts
 

docs/agent-handoff.md

@@ -2,7 +2,7 @@
 
 ## Current State
 
-The repository now contains a private NeoForge `21.1.228` / Minecraft `1.21.1` porting scaffold for Explosion Overhaul.
+The repository now contains a private NeoForge `21.1.225` / Minecraft `1.21.1` porting scaffold for Explosion Overhaul.
 
 The Gitea runner has been used for:
 
@@ -22,6 +22,7 @@ The Gitea runner has been used for:
 - Repaired CFR control-flow artifacts in:
   - `AsyncCraterManager`
   - `BlockIndexManager`
+- Updated the `ExplosionMixin` complex constructor injection descriptor for Minecraft `1.21.1` after a client bootstrap crash showed the old Forge `1.20.1` constructor target no longer exists.
 - Fixed runner setup issues:
   - executable `gradlew`
   - tracked `gradle-wrapper.jar`
@@ -32,6 +33,7 @@ The Gitea runner has been used for:
 | Check | Result |
 | --- | --- |
 | `git diff --check` | PASS before last committed source fixes |
+| `git diff --check` | PASS after NeoForge `21.1.225` metadata change and `ExplosionMixin` runtime crash fix |
 | Gitea decompile workflow | PASS |
 | Gitea build workflow | FAIL, now reaches Java API migration errors |
 
@@ -60,6 +62,7 @@ The remaining failures are real Forge-to-NeoForge/API-porting work, not runner s
 2. Migrate packet registration and all packet handlers away from Forge `SimpleChannel` / `NetworkEvent.Context`.
 3. Replace GUI overlay events and config screen registration.
 4. Re-run the Gitea build after each API family rather than attempting all files at once.
+5. Retest the client jar after the `ExplosionMixin` descriptor fix; the next crash, if any, should be a later runtime/API issue rather than the bootstrap constructor mismatch.
 
 ## Risks
 

gradle.properties

@@ -18,7 +18,7 @@ minecraft_version=1.21.1
 # as they do not follow standard versioning conventions.
 minecraft_version_range=[1.21.1]
 # The Neo version must agree with the Minecraft version to get a valid artifact
-neo_version=21.1.228
+neo_version=21.1.225
 # The loader version range can only use the major version of FML as bounds
 loader_version_range=[1,)
 

src/main/java/com/vinlanx/explosionoverhaul/mixin/ExplosionMixin.java

@@ -8,7 +8,10 @@ import com.vinlanx.explosionoverhaul.api.IExplosionPower;
 import com.vinlanx.explosionoverhaul.mixinhelper.ExplosionAccessor;
 import java.util.List;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.Holder;
+import net.minecraft.core.particles.ParticleOptions;
 import net.minecraft.server.level.ServerLevel;
+import net.minecraft.sounds.SoundEvent;
 import net.minecraft.world.damagesource.DamageSource;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.level.Explosion;
@@ -55,8 +58,8 @@ ExplosionAccessor {
         this.explosionPower = power;
     }
 
-    @Inject(method={"<init>(Lnet/minecraft/world/level/Level;Lnet/minecraft/world/entity/Entity;Lnet/minecraft/world/damagesource/DamageSource;Lnet/minecraft/world/level/ExplosionDamageCalculator;DDDFZLnet/minecraft/world/level/Explosion$BlockInteraction;)V"}, at={@At(value="RETURN")})
-    private void capturePowerComplex(Level level, @Nullable Entity entity, @Nullable DamageSource damageSource, @Nullable ExplosionDamageCalculator damageCalculator, double x, double y, double z, float power, boolean fire, Explosion.BlockInteraction blockInteraction, CallbackInfo ci) {
+    @Inject(method={"<init>(Lnet/minecraft/world/level/Level;Lnet/minecraft/world/entity/Entity;Lnet/minecraft/world/damagesource/DamageSource;Lnet/minecraft/world/level/ExplosionDamageCalculator;DDDFZLnet/minecraft/world/level/Explosion$BlockInteraction;Lnet/minecraft/core/particles/ParticleOptions;Lnet/minecraft/core/particles/ParticleOptions;Lnet/minecraft/core/Holder;)V"}, at={@At(value="RETURN")})
+    private void capturePowerComplex(Level level, @Nullable Entity entity, @Nullable DamageSource damageSource, @Nullable ExplosionDamageCalculator damageCalculator, double x, double y, double z, float power, boolean fire, Explosion.BlockInteraction blockInteraction, ParticleOptions smallExplosionParticles, ParticleOptions largeExplosionParticles, Holder<SoundEvent> explosionSound, CallbackInfo ci) {
         this.explosionPower = power;
     }
 

src/main/templates/META-INF/neoforge.mods.toml

@@ -18,7 +18,7 @@ config="explosionoverhaul.mixins.json"
 [[dependencies.${mod_id}]]
 modId="neoforge"
 type="required"
-versionRange="[21.1.228,)"
+versionRange="[${neo_version},)"
 ordering="NONE"
 side="BOTH"