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Metal Slug 6 (J)(SLPS-25674) Widescreen

(12-12-2016, 10:11 PM)Esppiral Wrote: [ -> ]Metal Slug 6 (J)(SLPS-25674) Widescreen

@Esppiral, wow, this game do not have the backgrounds in 2D? and you have put them in widescreen? how do you made it?
Is the first time i see a patch for a complete 2D game.

Best regards.

(12-12-2016, 10:11 PM)Esppiral Wrote: [ -> ]Metal Slug 6 (J)(SLPS-25674) Widescreen

Fantastic! I'm also surprised! So, is there hope for other 2D games  be in widescreen mode too?
Congratulations for the achievement and thanks a lot for sharing!

(12-13-2016, 05:32 AM)El_Patas Wrote: [ -> ]@Esppiral, wow, this game do not have the backgrounds in 2D? and you have put them in widescreen? how do you made it?
Is the first time i see a patch for a complete 2D game.

Best regards.

(12-13-2016, 09:24 PM)destinydoom Wrote: [ -> ]Fantastic! I'm also surprised! So, is there hope for other 2D games  be in widescreen mode too?
Congratulations for the achievement and thanks a lot for sharing!

The thing is while the Metal Slug games might have 2d prerendered backgrounds, they are side scrollers(for the most part.) This means that 2d background is effectively one VERY wide image. This is not the same as the prerendered backgrounds in something like FF9(yes this is a PSX game but it illustrates the example) - those are simple 4:3 images. The problem with them is even if we expand the viewport(and we sometimes can) there is nothing in the prerendered background to actually show outside of the 4:3 viewport. But with a side scroller, there is because eventually in gameplay you will move right and the background image gets scrolled with you.

The reason we can't WS patch most 2d games isn't because they are 2d - it's because if we did you'd end up seeing the polygonal stuff(if there is any) or movable sprites in the area outside of 4:3, but the area outside of the 4:3 boundary of the prerendered image would be black. We can't stretch the 4:3 prerendered image either since most of them have areas defined as collision or interaction points and stretching it would mean those points would not line up with on screen elements.

FWIW Sometimes that "black area outside of 4:3" can happen with full 3D games. These are the ones that need render fixes. The PS2 has no native geometry culling - even if the element is off screen the GS still renders it. That's why usually we can just expand the viewport and viola. It's also why most WS patch work on real PS2s without any performance hit - the GS was already rendering that stuff anyway, you just weren't seeing it. Some games however use software culling, and these are the ones you will see issues outside of 4:3(unless a render fix is created). A render fix is simply telling the game to render that offscreen stuff(up to 16:9 viewport) when it normally wouldn't have. But we can't do that with prerendered backgrounds because the game has nothing to render there anywhere on it's disk!

Yup @Blyss Sarania is right, as long as the backgrounds are "side scrollers" you can actually change their "aspect ratio" you can actually do it on almost everything, but if the original work was 4:3 you will see nothing except deep black on the expanded area.

The curious thing about Metal Slug is that only changing 1 value in memory all the screen aspect ratio gets changed, maybe the game is rendering every 2d layer on top of a polygonal mesh ( just guessing)

These are some 2D games I've been toying with to make widescreen both are WIP

I see, i hope there are more 2D games of this type of background scroller, maybe the Street Fighter Alpha Anthology?
The few times i tried to patch a 2D game i obtained only a bunch of broken graphics.
Thank you very much to both @Blyss and @Esppiral for your explanations, and keep the good work

Best regards.

(12-15-2016, 07:28 PM)Esppiral Wrote: [ -> ]The curious thing about Metal Slug is that only changing 1 value in memory all the screen aspect ratio gets changed, maybe the game is rendering every 2d layer on top of a polygonal mesh ( just guessing)

It could be, I've seen evidence of this type of trick before.

Please can someone make a pach to Sonic Gems Collection? (preferable PAL version) It would be helpful to play Sonic R and Sonic the Fighters.. If someone will make it.. Then HUUUGE thank to you

Sonic Gems Collection (pal)(SLES-53350)  (Sonic FIghters)

(12-16-2016, 08:10 PM)Esppiral Wrote: [ -> ]Sonic Gems Collection (pal)(SLES-53350)  (Sonic FIghters)

Thanks man  Now I only must wait for Sonic R >w>