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## [June 7, 2026] - Submarine Occlusion & Suffocation Fixes ### Bug Fixes - **Airtight Submarine Suffocation:** Fixed a critical bug where players would suffocate and lose bubbles while safely inside an airtight submarine. NeoForge's custom fluid type checks (`getEyeInFluidType`) now correctly recognize the submarine's interior as empty, eliminating server/client desyncs and ghost bubbles. - **Corner & Walking Occlusion Glitches:** Replaced the grid-based position checking with exact decimal (`Vec3`) local-space physics. The water occlusion tolerance has been expanded to include the physical boundaries of the hull itself (`VISUAL_UNION`). Players will no longer start drowning when walking on the floor, getting pushed into walls, or standing in tight corners of a heavily pitched submarine. - **Swimming Prevention:** The game will now forcefully prevent players from entering swimming mode while inside the submarine's occluded area.