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      /  Trevor's Amiga Blog
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BigD 
Re: Trevor's Amiga Blog
Posted on 22-Nov-2019 16:25:13
#1241 ]
Elite Member
Joined: 11-Aug-2005
Posts: 5150
From: UK

@bison

Quote:
Wolfenstein 3D running on a 286 in a computer store


Cinematic games like Wing Commander and then the cut scenes of C&C seemed far more of a threat to me. Cinemaware games were an Amiga thing and the PC was taking the premise and running with it for action and RTS games. Wolfenstein was simplistic but Doom was the nuclear torpedo IMHO. C= had just got Wing Commander ported to the CD32 (clumsily with Akiko c2p coding errors) and even a slow A500 version but they were not ready to convince ID to port Doom. They should have been courting them from the point Wolfenstein 3D was released i.e. by giving them free A3000s etc and some maybe even showing them the A3000+ with AGA and DSP prototype for feedback.

Last edited by BigD on 22-Nov-2019 at 04:27 PM.

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bison 
Re: Trevor's Amiga Blog
Posted on 22-Nov-2019 20:08:10
#1242 ]
Super Member
Joined: 18-Dec-2007
Posts: 1528
From: N-Space

@BigD

Quote:
Wolfenstein was simplistic but Doom was the nuclear torpedo IMHO.

Wolfenstein's graphics and level geometry were simplistic, but it was the first game that allowed fluid motion through a 3D map. The player could actually run in Wolf instead of just creeping along. Doom had much more impressive graphics and level design, but of course it required a 386 to walk those BSP trees and texture map the floors and ceilings.

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BSzili 
Re: Trevor's Amiga Blog
Posted on 25-Nov-2019 8:15:07
#1243 ]
Regular Member
Joined: 16-Nov-2013
Posts: 334
From: Unknown

@bison

Traversing the BSP trees is one of the fastest part of the engine, the console and Apple ports of Wolfenstein 3D used it as well instead of raycasting. What is slow is rendering and drawing the wall segments and especially the floors/ceilings.

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bison 
Re: Trevor's Amiga Blog
Posted on 26-Nov-2019 15:48:17
#1244 ]
Super Member
Joined: 18-Dec-2007
Posts: 1528
From: N-Space

@BSzili

There was something about using BSP trees that could not be done (or done fast enough) on a 286, but I don't remember what it was. I don't remember if it was just overall processing power, or a missing processor feature. Do you recall? It was probably mentioned in one of John Carmack's .plan files.

One of my favorite lines from Doctor Who: "My memory's getting terrible. You know, three hundred years ago I'd have recognised this like a shot."

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BSzili 
Re: Trevor's Amiga Blog
Posted on 26-Nov-2019 18:34:49
#1245 ]
Regular Member
Joined: 16-Nov-2013
Posts: 334
From: Unknown

@bison

Nah. There's nothing about the BSP trees you can't do on a 286, the SNES had a WDC 65C816 which is in the same ballpark (Wolf3D didn't have any special chips in the cart). It's a very simple data structure to handle, all the heavy lifting is done in the pre-processing phase on a different computer. It wasn't used in the DOS Wolf3D because Carmack "discovered" it when he had to solve the problem of concentric sectors for Doom, and the SNES port of Wolf3D was done after this, in parallel with Doom.
TL;DR Carmack simply wasn't aware of it when the original DOS version Wolf3D was created.

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Spectre660 
Re: Trevor's Amiga Blog
Posted on 31-Dec-2019 14:13:55
#1246 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3778
From: Unknown



Another sunny day

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DiscreetFX 
Re: Trevor's Amiga Blog
Posted on 31-Dec-2019 15:26:08
#1247 ]
Super Member
Joined: 12-Feb-2003
Posts: 1792
From: Chicago, IL

@Spectre660

Trevor mentions that he will be going to Amiga Ireland 2020 with Matthew. I'm considering going as well. Does anyone know what the attendance of Amiga Ireland has been over the years. Is it a big turn out of fans? I just don't want to allocate resources to attend a show in a different country than mine that has low attendance.

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pavlor 
Re: Trevor's Amiga Blog
Posted on 31-Dec-2019 15:49:21
#1248 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9090
From: Unknown

@Spectre660

Thanks!


Tabor on my table in few months? I really hope so.

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Spectre660 
Re: Trevor's Amiga Blog
Posted on 31-Dec-2019 16:14:29
#1249 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3778
From: Unknown

@DiscreetFX

Amiga Ireland 2019

Last edited by Spectre660 on 31-Dec-2019 at 04:14 PM.

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-Sam- 
Re: Trevor's Amiga Blog
Posted on 1-Jan-2020 10:44:19
#1250 ]
Elite Member
Joined: 18-Apr-2003
Posts: 3008
From: Yorkshire Dales, United Knigdom

@BSzili and @bison

Here is a great article on this I was just reading the other day as it happens: https://arstechnica.com/gaming/2019/12/how-much-of-a-genius-level-move-was-using-binary-space-partitioning-in-doom/

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bison 
Re: Trevor's Amiga Blog
Posted on 1-Jan-2020 23:22:44
#1251 ]
Super Member
Joined: 18-Dec-2007
Posts: 1528
From: N-Space

@-Sam-

Thanks for the link!

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PR 
Re: Trevor's Amiga Blog
Posted on 2-Jan-2020 11:10:25
#1252 ]
Super Member
Joined: 1-Sep-2004
Posts: 1935
From: Suomi-Finland

A Very Good 2020 To All and this is the Best occasion to wrap the good behind. Done it.

A Good Chance.

Thank You For This ;)

PR

Nearly nobody took the advance for a really bling free working browser and The Machine. (Virus etc free still) . When visiting Parents at Chrissy etc o they poor people compared to us who use what ever here, Not telling here.



Last edited by PR on 02-Jan-2020 at 02:07 PM.
Last edited by PR on 02-Jan-2020 at 02:05 PM.

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