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7/25/2025, 12:59:34 AM
>>532539879
When the game decides to spawn an enemy, it searches for a vacant block (doesn't matter if it's on the ground or 50 blocks in the air) outside of the player's horizontal vision. After that, if the block it selected is in the air, it scans downwards to find the first walkable surface that is considered valid (no liquids/hazards/obstructions), where it will then spawn on.
Walls only stop the first step, so if you don't want mobs spawning at all on the surface, you're going to have to enclose that fence with blocks above it, or build walls up 100 blocks high (which, if you don't want it to look hideous, you'll have to pick something like echo walls). And also make sure it reaches far enough off-screen to cover the entire 'spawn mob' range (168x94 in case you were wondering)..
Worm spawns are blocked off entirely if the player is standing in front of a player-placed wall, regardless of anything else. Some flying enemies, such as Harpies, don't check for valid blocks below them like most grounded enemies (slimes do the same thing during the Slime Rain event, which is how they get them to 'fall' from the sky).
>>532547197
>I even dug out like a 200x200 space underground and started filling it was walls, and I was still experiencing the same thing (sometimes).
Were there any unwalled openings leading into that 200x200 space? That's likely how they were getting in. You'd have to wall off the tunnel(s) leading into it, and pretty far into them as well, to stop spawns entirely. I've built enough walled off hellevators and minecart tunnels to know it is possible to 100% mob-proof any area. It just requires an obscene amount of walls reaching very long distances.
When the game decides to spawn an enemy, it searches for a vacant block (doesn't matter if it's on the ground or 50 blocks in the air) outside of the player's horizontal vision. After that, if the block it selected is in the air, it scans downwards to find the first walkable surface that is considered valid (no liquids/hazards/obstructions), where it will then spawn on.
Walls only stop the first step, so if you don't want mobs spawning at all on the surface, you're going to have to enclose that fence with blocks above it, or build walls up 100 blocks high (which, if you don't want it to look hideous, you'll have to pick something like echo walls). And also make sure it reaches far enough off-screen to cover the entire 'spawn mob' range (168x94 in case you were wondering)..
Worm spawns are blocked off entirely if the player is standing in front of a player-placed wall, regardless of anything else. Some flying enemies, such as Harpies, don't check for valid blocks below them like most grounded enemies (slimes do the same thing during the Slime Rain event, which is how they get them to 'fall' from the sky).
>>532547197
>I even dug out like a 200x200 space underground and started filling it was walls, and I was still experiencing the same thing (sometimes).
Were there any unwalled openings leading into that 200x200 space? That's likely how they were getting in. You'd have to wall off the tunnel(s) leading into it, and pretty far into them as well, to stop spawns entirely. I've built enough walled off hellevators and minecart tunnels to know it is possible to 100% mob-proof any area. It just requires an obscene amount of walls reaching very long distances.
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