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MC-48797

Barrier blocks vs sun

When you have a roof of barrier blocks, even thought he ground is lit up, hostile mobs still spawn and they do not burn! This is a huge issue because i am working on a sky block map and i do not want players to travel outside of a 3x3 chunk area.

In the pictures, you ca clearly see that hostile mobs have spawned and do not burn, even though everything is lit by the sun.

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Please make a screenshot with debug screen enabled (F3) while standing on the floating island.

Barrier blocks are the shadiest transparent blocks you'll ever see.

The sponges are used as a template for the islands. They are filled with grass with the /fill command and then the sponge is removed. On the sponge picture as well, a skeleton spawned right before i went into gamemode 3 for the picture. The zombie near the spawner was already there when i got back from some redstone. The spawner is only for zombies, but i plan on including more. Those other mobs by the zombie spawner also spawned right before i went into gamemode 3 for the picture.

Cannot reproduce in 14w32d. Must have been changed sometime in between 14w07a and now. Blocks covered by barrier blocks show full 15 skylight value, mobs burn underneath them, and don't spawn in the day.

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Minecraft 14w07a

Minecraft 14w32d

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