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How block model is rendered


DavidM

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The game does not render faces (covered by other solid blocks) that the player cannot see.

If a side of a block is covered with another solid block, then that side will be culled, as the player cannot see that side.

 

I am wondering how the game determine whether a side should be rendered when the model is not a simple cube.

If the model of a block is not cube_all, but rather a complex model created by the modder, does the game still culls the sides?

 

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2. Always post your code.

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Support & Bug Reports:

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12 minutes ago, DavidM said:

does the game still culls the sides?

It only culls them if it is told to and this is controlled by a series of factors. Stuff like if it is opaque. Generally things that aren't full cubes are not culled because of the simple way minecraft checks if culling should happen.

Is there a block on this side. Cool don't render this side then.

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VANILLA MINECRAFT CLASSES ARE THE BEST RESOURCES WHEN MODDING

I will be posting 1.15.2 modding tutorials on this channel. If you want to be notified of it do the normal YouTube stuff like subscribing, ect.

Forge and vanilla BlockState generator.

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Thanks.

Does the model itself affect whether sides should be culled though?
If I have a model that does not take up the entire block, but make Block#isOpaque return true, does the game still tries to cull the sides?

Some tips:

Spoiler

Modder Support:

Spoiler

1. Do not follow tutorials on YouTube, especially TechnoVision (previously called Loremaster) and HarryTalks, due to their promotion of bad practice and usage of outdated code.

2. Always post your code.

3. Never copy and paste code. You won't learn anything from doing that.

4. 

Quote

Programming via Eclipse's hotfixes will get you nowhere

5. Learn to use your IDE, especially the debugger.

6.

Quote

The "picture that's worth 1000 words" only works if there's an obvious problem or a freehand red circle around it.

Support & Bug Reports:

Spoiler

1. Read the EAQ before asking for help. Remember to provide the appropriate log(s).

2. Versions below 1.11 are no longer supported due to their age. Update to a modern version of Minecraft to receive support.

 

 

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25 minutes ago, DavidM said:

Does the model itself affect whether sides should be culled though?

Not really, no.

 

25 minutes ago, DavidM said:

but make Block#isOpaque return true, does the game still tries to cull the sides?

If the block isn't fully opaque, the game assumes it is transparent, and begins rendering the sides of neighboring blocks.

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