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| Reporter | crispy | Assigned To | greebo | |
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| Priority | normal | Severity | normal | Reproducibility | have not tried |
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| Status | closed | Resolution | fixed | |
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| Product Version | SVN | |
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| Fixed in Version | SVN | |
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| Summary | 0000596: Player swims downwards when toggle crouch is activated |
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| Description | The swimming movement code checks each frame to see if command.upmove is negative. If it is, then it moves the player downwards. This by itself is fine.
However, when crouch mode is toggled on, command.upmove is *always* set to a negative value. So when crouch is toggled on, the player will swim downwards automatically.
This also applies to noclip mode, and possibly to other movement modes as well. It would be worth searching the entire codebase for "upmove" to turn up *all* of the places where toggle-crouch doesn't play nice with other movement code.
This bug is believed to have the same cause as a previous issue (now fixed) where attaching to ropes was impossible while toggle-crouched. |
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| Additional Information | The underlying issue is a design problem; namely, in vanilla Doom 3, the test for "am I crouching?" is the *same* test as the one for "do I want to move down?". D3's programmers made an implicit assumption that crouching would only take place while the crouch key was being held down, because that's all they knew; it works that way in every action-oriented FPS you might care to name. Doom 3's toggle-crouch behaviour is a total hack. |
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| Tags | No tags attached. |
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