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The background layer is misaligned

Open model-123 opened this issue 1 year ago • 6 comments

The clouds are shifted to the right compared to real hardware. I'm sure there are similar scenes in other games too.

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model-123 avatar Jul 29 '24 15:07 model-123

Yeah that's strange. Clouds aren't dependent on time? For horizontal scrolling there is a per line scroll values and a per layer scroll value. The current logic assumes 1 or the other. I wonder if they are added together

dukeeeey avatar Jul 29 '24 16:07 dukeeeey

can you make a save state for this ? thank you :)

dukeeeey avatar Jul 29 '24 19:07 dukeeeey

Seconded — a save state would be really useful! I think at one point there was some question as to how many of the high order scroll bits were actually used.Sent from my iPhoneOn Jul 29, 2024, at 12:45 PM, dukeeeey @.***> wrote: can you make a save state for this ? thank you :)

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trzy avatar Jul 29 '24 21:07 trzy

Sorry, I've attached the state save.

spikeofe.zip

model-123 avatar Jul 30 '24 07:07 model-123

I think the issue is the tilegen is drawn a frame behind on supermodel compared to the 3d hardware. If the camera stops moving and is static the sky should line up.

dukeeeey avatar Jul 30 '24 09:07 dukeeeey

To be precise the tilegen is two frames behind.

gm-matthew avatar Jul 31 '24 00:07 gm-matthew