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Miscellaneous
No. Because
- Networking protocol differences. This mod allows the client to load multiple dimensions at the same time, while vanilla only allow one dimension to be loaded at the same time. The vanilla networking packets does not discriminate between different dimensions, so Immersive Portals change the networking protocol to discriminate between dimensions. (It's theoretically possible to automatically adjust to networking protocol differences, but it would be very complex and error-prone so it's not worth the effort)
- This mod's portals are more flexible than vanilla. This mod's portal can be in any shape and can be tilted. Vanilla portal blocks cannot represent that.
A client with this mod should be able to join a vanilla server (if not, report the issue).
However, if the server does not have this mod, then the server does not send chunk data in remote dimension to client, so client cannot render the see-through portal.
No. Inter-server portals require sending packets across servers, cross-server visibility check, a cross-server dimension id system, and entity transfer between servers. It's very hard to implement.
In MC 1.16.5, this mod is compatible with OptiFine G7 and OptiFine shaders. (The recommended shader is BSL shader. You need to turn off TAA (Temporal Anti Aliasing) and Motion Blur in the shader's option.) In MC 1.16.5 ImmPtl crashes with OptiFine G7. This issue is under investigation.
In MC 1.17.x, this mod is problematic with OptiFine, it's not recommended to use this mod with OptiFine.
In MC 1.18 and above, this mod is incompatible with OptiFine. Because OptiFine is not open-source, debugging with OptiFine is very hard. It's recommended to use Sodium and Iris. Check this
In MC 1.18.x, the latest version of ImmPtl is roughly compatible with the combination of Iris 1.1.4 and Sodium 0.4.0-alpha5.
In MC 1.17.1, the latest version of ImmPtl is roughly compatible with Iris 1.1.3.
Following things cannot be correctly rendered with shaders:
- Semi-transparent things (e.g. stained glass) in front of the portal. (Due to that, all mirrors will cover the glass texture with shaders on)
- Fuse-view portals
- Cross portal entity rendering.
- Temporal Anti Aliasing (TAA) when a portal is in view
- Motion Blur when a portal is in view
- World Curvature with portals
SEUS PTGI shader is incompatible.
Because this mod is just a hobby project. Maintaining the Forge version turns out to be dull and tiresome. Forge's Mixin support is poor. And the Forge community is not friendly to coremodding. This mod is in Apache 2.0 license and anyone can port it to Forge.
(There is a very small chance that I restart supporting the Forge version.)
All see-through portals will vanish. Even if you re-install ImmPtl, the portals cannot recover. (Portals in unloaded chunks may remain.)
Vanilla nether/end portals still exist. Dimension stack bedrock replacement will not work.