Author Topic: Sonic Z-Treme  (Read 32400 times)

mindslight

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Re: Sonic Z-Treme
« Reply #105 on: November 09, 2017, 06:34:05 pm »
Sonic on Quake level  ;D OMG  :D

LekBr20101

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Re: Sonic Z-Treme
« Reply #106 on: November 09, 2017, 11:59:10 pm »

itsstillthinking1999

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Re: Sonic Z-Treme
« Reply #107 on: November 11, 2017, 03:28:33 am »
Hey Mindsight does Jo Engine support the 3d controller now? would be interesting to see Z-Treme use it

XL2

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Re: Sonic Z-Treme
« Reply #108 on: November 11, 2017, 04:36:25 am »
It doesn't support yet, but you can use the SGL/SBL functions directly.

LekBr20101

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Re: Sonic Z-Treme
« Reply #109 on: November 11, 2017, 11:24:30 pm »

itsstillthinking1999

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Re: Sonic Z-Treme
« Reply #110 on: November 14, 2017, 08:43:15 am »
Hey XL2, did anyone ever contact you back about the Sonic & Sega Fan Jam?  was just wondering as its going to start soon (think the 18th)

LekBr20101

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Re: Sonic Z-Treme
« Reply #111 on: December 01, 2017, 04:44:59 am »
Hey XL2, I'm reading your interview on a site called SEGA nerds, I'm finding it very interesting, your interviewer is a Brazilian who is, as well as me, rooting for your project!

NeoSnk

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Re: Sonic Z-Treme
« Reply #112 on: December 01, 2017, 04:55:32 am »
Hahaha I did the interview! And of course Im rooting for this project! This is amazing ;)

http://www.seganerds.com/2017/11/30/the-sega-saturn-is-finally-getting-a-3d-sonic-game/

itsstillthinking1999

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Re: Sonic Z-Treme
« Reply #113 on: December 02, 2017, 02:50:18 am »
Great job XL2 on the interview! Glad to see your project getting more attention, you deserve it! 8) Also cool to see another fellow Canadian who actually has a Saturn  ;)

itsstillthinking1999

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Re: Sonic Z-Treme
« Reply #114 on: December 09, 2017, 01:36:37 am »
Hey XL2 how's development going!

XL2

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Re: Sonic Z-Treme
« Reply #115 on: December 11, 2017, 01:03:32 am »
Slowly, I'm almost rewriting everything.
« Last Edit: December 11, 2017, 02:48:40 am by XL2 »

itsstillthinking1999

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Re: Sonic Z-Treme
« Reply #116 on: December 11, 2017, 01:30:08 am »
Slow and steady wins the race, cant wait to see what the new versions look like

itsstillthinking1999

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Re: Sonic Z-Treme
« Reply #117 on: January 20, 2018, 07:21:30 pm »
Hey XL2, how's the development going?

Also one quick question, iv been getting lots of questions recently on what role vdp2 has on the game, seems weird to me that lots are suddenly asking but could you give me an answer that i could tell them?

Have a great day! ;D

XL2

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Re: Sonic Z-Treme
« Reply #118 on: January 24, 2018, 07:34:38 am »
Right now I put Sonic Z-Treme on hold to focus on occlusion culling using the FPS demo for testing.
I got the auto-LOD model generation working (but I haven't implemented texture generation yet) which should help with better draw distance.
I also got the 4 bits per pixel textures working, saving me some VRAM that I'll use for LOD textures.
I added analog control (not even properly documented in the official documentation) in the FPS demo.
I implemented a KD tree... then tried a BSP tree... now I'm going for an octree...but feel like going back to a BSP tree...
I also wasted a couple of weeks trying to implement a mesh buffer to save RAM and reduce vertices transformation, but the memory access made it slower so I flushed it.
I still need to find a way to generate PVS and cram it in the little bit of RAM left... or go for the BSP tree and use a low-res depth buffer (should be slower, meaning 60 FPS would be impossible).

I'm working on a new collision detection code and PVS, and I need to find a way to use the audio RAM to free some work RAM.
Quake maps are loading, maybe I'll be able to show the new FPS demo within 2 months, but I'm confident that I'll hit 30 fps with gouraud shading.

Long story short, occlusion culling is really hard and there is no perfect solution.

As for the VDP2, it's used for the text (NBG0), the "ocean" (RBG0) and the background mountain (NBG2). I added extra clouds with NBG3, but removed them as I was running out of high work RAM.

itsstillthinking1999

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Re: Sonic Z-Treme
« Reply #119 on: January 26, 2018, 08:49:33 am »
Sounds like a good plan! Cant wait for one day to see the fruits of you labor

Have a great week

 

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