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Details for Layer 2 Buoyancy Optimization
SMW Patches - Layer 2 Buoyancy Optimization
File Name: Layer 2 Buoyancy Optimization
Authors: worldpeace
Tool: Asar
Requires Free Space: Yes
Bug Fix: No
Featured: No
Description: In a layer 2 level with the 2nd buoyancy option checked(disables all other sprite interaction with layer 2), sprites still interact with layer 2 'water' tiles regardless of whether you want or not. Its calculation cost is often the cause of slowdown in non SA-1 ROMs.

This patch makes non SA-1 ROMs completely skip the layer 2 interaction to enhance the performance when the 2nd buoyancy option is checked. It's expected to allow you to have 1-2 more sprites on screen without causing slowdown in FastROM.
The other (side)effect is to disable the interaction with layer 2 water(like other layer2 tiles), which would often be desired for consistency.

Note that for the speedup purpose, most importantly, you will always want to check the FastROM option too.
Tags: buoyancy, layer 2, optimize
Download: Download - 549 bytes
  Submit Update
I replaced the if check to an assertion. After bringing if this was needed in staff, this may become a standard for future patches.
Good patch nonetheless; I personally never had the second buoyancy option with layer 2 water, but I'm pretty sure JUMPers other people might have, thus encountering this flaw.
Posted by: o Erik -

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