This code defines a private method `spawnPatrolMember` that attempts to...

September 3, 2025 at 01:55 AM

    private boolean spawnPatrolMember(ServerLevel p_224533_, BlockPos p_224534_, RandomSource p_224535_, boolean p_224536_) {
        BlockState blockstate = p_224533_.getBlockState(p_224534_);
        if (!NaturalSpawner.isValidEmptySpawnBlock(p_224533_, p_224534_, blockstate, blockstate.getFluidState(), EntityType.PILLAGER)) {
            return false;
        } else if (!PatrollingMonster.checkPatrollingMonsterSpawnRules(EntityType.PILLAGER, p_224533_, EntitySpawnReason.PATROL, p_224534_, p_224535_)) {
            return false;
        } else {
            PatrollingMonster patrollingmonster = EntityType.PILLAGER.create(p_224533_, EntitySpawnReason.PATROL);
            if (patrollingmonster != null) {
                if (p_224536_) {
                    patrollingmonster.setPatrolLeader(true);
                    patrollingmonster.findPatrolTarget();
                }

                patrollingmonster.setPos((double)p_224534_.getX(), (double)p_224534_.getY(), (double)p_224534_.getZ());
                patrollingmonster.finalizeSpawn(p_224533_, p_224533_.getCurrentDifficultyAt(p_224534_), EntitySpawnReason.PATROL, null);
                p_224533_.addFreshEntityWithPassengers(patrollingmonster);
                return true;
            } else {
                return false;
            }
        }
    }
}

This code defines a private method spawnPatrolMember that attempts to spawn a patrol entity, specifically a PILLAGER, in a Minecraft world (ServerLevel) at a given position (BlockPos). Here's a breakdown of what the code does:

Retrieve the block state and fluid state:
The method retrieves the block state at the given position p_224534_ in the ServerLevel object p_224533_.
Check if the spawn block is valid:
The method ensures the block at the specified position is valid and empty for a PILLAGER to spawn by calling NaturalSpawner.isValidEmptySpawnBlock.
Check PatrollingMonster spawn rules:
It further checks if spawning matches specific rules for a patrolling monster (PILLAGER in this case) using PatrollingMonster.checkPatrollingMonsterSpawnRules.
If either the block is invalid or the spawn rules are not satisfied, the method returns false.
Create and spawn the PILLAGER entity:
If the block is valid and spawn rules are satisfied:
- A new PILLAGER entity (PatrollingMonster) is created using EntityType.PILLAGER.create.
- If p_224536_ is true, this PILLAGER is marked as a patrol leader (setPatrolLeader(true)) and assigned a patrol target (findPatrolTarget()).
- Its position is set to the specified spawn location.
- The spawn is finalized with the current difficulty settings at the location using finalizeSpawn.
- The ServerLevel is updated to include the newly spawned PILLAGER using addFreshEntityWithPassengers.
Return success or failure:
- If the PILLAGER entity was successfully created and spawned, the method returns true.
- Otherwise, it returns false.

Summary:

This code spawns a patrol member (specifically a PILLAGER) in the Minecraft world at a given position, if the block is valid and conforms to spawn rules. If p_224536_ is true, this PILLAGER becomes a patrol leader. It returns true if the entity was successfully created and added to the world, and false otherwise.

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