28 April 2015, 10:32 | #301 | |
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Quote:
In order to save some cycle, we have to reduce background plane on the floor and lava. I'm going to work on visualize all tiles in the correct way Last edited by sandruzzo; 28 April 2015 at 10:39. |
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28 April 2015, 11:58 | #302 |
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Great job so far guys. I'm not a big Rygar fan but now i want to see in running on my Amiga. Any chance for a small tech demo clip or is it too early to show something yet?
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28 April 2015, 13:21 | #303 |
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maybe if some cooperation happens with map making, music and final plan of what mode to use a demo could happen (?).
All backdrops reduced to same 16 colors with sprites, i think except the last 2 the others are acceptable. |
28 April 2015, 13:23 | #304 |
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28 April 2015, 14:39 | #305 |
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Here we are: Rygars' tiles on screen!
Now we need final gfx tiles' and map too. I would like to close once and for all screen gfx and scrolling too. |
28 April 2015, 15:09 | #306 |
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I was playing Rygar on Mame other day, the music seems to use just 2 channels. It shouldn't be too hard, for the people with the talent, to make a .mod rendition of it.
Not that I could do it. I'd really would like to help with this project somehow, but I don't have the talent to do anything helpful, other than playtest the game |
29 April 2015, 11:24 | #307 |
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@Nobody
I would keep rygar as sprite and use the others' 4 sprite to do background. Here what aI'm talking about: http://www.codetapper.com/amiga/sprite-tricks/r-type-2/ |
29 April 2015, 12:02 | #308 |
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Nice but this game uses only 16 colors so they didn't care about upper 16 colors and didn't affect the tiles. If you go 32 colors requires some heavy work on tiles and bobs and their palettes every single level and there are 30 of them.
(Because every 4 color sprite uses specific color registers?except if you reduce sprites quality to 12 colors and have 4 spare colors for these sprites? Insane ) Last edited by nobody; 29 April 2015 at 12:11. |
29 April 2015, 12:11 | #309 |
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Ok, maybe it's too hard to keep a good visual quality. You did a hell of job!! Just waiting gfx tiles and tiles' map
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29 April 2015, 12:24 | #310 |
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I am sure they went this approach for speed and then have some extra colors here and there using the sprites. Maybe some explosions or bullets and the backdrop.
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29 April 2015, 13:16 | #311 |
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No, they went for that approach in R-Type 2 so that the game could be ported to the Atari ST at the same time. The sprites are only used for the background parallax, even though they could have used 4 sprites for the background and used the other 4 sprites for something else. On the ST, that section is just black background.
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29 April 2015, 13:17 | #312 |
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Maybe we could do a try to see if we can have a good parallax.
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29 April 2015, 13:45 | #313 |
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I remember Andrew Braybrook back then said that using 32 colors on the Amiga
-reduces speed a lot, some times slower than the ST with 16 colors -they should make their games more disks due to more data with 32 colors -also requiring 1 MB Amigas to run. |
29 April 2015, 14:12 | #314 |
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I know what him said. With 32 colors on screen we have only 33% of the cycle available when DMA bitplanes work
Last edited by sandruzzo; 29 April 2015 at 14:23. |
29 April 2015, 14:21 | #315 |
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there many 32 colors amiga games......
Braybrook also said when Rainbow islands was made that he could not use the 5th bitplan,when he could have actually, but at this time, it was ST first, Rainbow Islands was made to be a 512k of ram only game. Doing a game in 2015 for 512kb of ram when the base is 1mb is a bit useless.... In the same vein, Steve Turner said that Taito gave them 4 discs with IFF graphics, they had to convert them to Art Studio for Atari ST, because IFF format was too slow to decompress (on ST surely ! lol)..... |
29 April 2015, 14:24 | #316 |
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With Rygars is not the ram the issue, but to keep all running at 50hz..
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29 April 2015, 14:32 | #317 | |
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Quote:
EDIT: Forget what I was saying. For a 4-sprite background it does not make a difference, as you would use use eg sprites 0,1,2,3,4 unattached for the background, where 0+1 and 2+3 share the same 3-color-palette. The trick with attached sprites makes only sense if you use more than four sprites for the bg. Last edited by chb; 29 April 2015 at 14:51. |
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29 April 2015, 14:48 | #318 | |
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30 April 2015, 10:18 | #319 |
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The first strip, use "only" 8 colors, so we can add more, or we can try to do it with 3 colors, and see if with copper we can add more
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01 May 2015, 11:49 | #320 |
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You will most certainly have to make some sacrifices. I don't believe it is possible to have a 64 pixel wide 16 colour sprite background with 5 bitplanes for the game. There is not enough DMA time to reposition all 8 sprites across the screen. By my calculations, you can't even get a 256 wide pixel pattern in 32 colour mode. You might get 208 pixels but that's far too thin for an Amiga game!
So the background sprites really have to be 3 colours. |
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