Home » Archimedes archive » Acorn User » AU 1997-10 B.adf » 3D » !Read1st!

!Read1st!

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk: Home » Archimedes archive » Acorn User » AU 1997-10 B.adf » 3D
Filename: !Read1st!
Read OK:
File size: 1536 bytes
Load address: 0000
Exec address: 0000
File contents
**************************************
**** ACORN USER 3-D Games Articles ***
**************************************
PLEASE READ THIS FILE BEFORE USING ANY
OF THE SOURCE CODE OR PROGRAMS ON THIS
DISK. 

Contents:

1. "What's on this disk?"
1.5 "FIX for BLACK WALLS problem"
1.6 "BUT its NOT FINISHED???"
2. "Note to STRONGARM users"
3. "Screen mode problems"
4. "NEW NEW GRAPHICS"
5. "BUT I ONLY FIND OBJECTS IN THE LOOS!"???
6. "Contacting me and OTHER ISSUES"

**************************************
1. "What's on this disk?"
**************************************

PLEASE DEARCHIVE all the files before use (well its best to anyway).

You will find the application !AUA_Attack: This new version of our engine is full to the brim of features (and half features), featuring:

1) Transparent walls
2) Doors
3) Variables Screen Sizes
4) Fixed Point Maths
5) Parameters passed to engine
6) Objects
7) Demo Modes
8) Moving Objects
9) Title Bar (at bottom of screen)
10) Mirrors (!)
11) A nice title page
12) Sound/s

Admittedly I have left a few unfinished bits of code inside, but that's so you can add to it all!

The source has been compiled with Easy C/C++, but it has not been compiled with Acorn C or GNU C. I believe that it may compile, but with warnings. A few warnings come up with Easy C. These relate to storage of char * pointers in an int[] array. This will be remedies in future versions of the engine. 

The look up tables will take a while to generate also on slower machines, but soon I'll load them in from file instead.
PLEASE READ THE COMMENTS INSIDE THE RUN FILE FOR MORE INFORMATION ON ALTERING THE PARAMTERS PASSED TO THE ENGINE.

The engine uses a brand new world file and set of graphics, each which comply with the shading (of sorts) system we established in article three. There is also one door and one windows. 

Letters  A,B,C,D,E,F,G,H,I can be used to represent more tiles and also they might be used for objects next month.


**************************************
1.5 "FIX for Black Walls Problem"
**************************************

A few readers with older (possibly ARM 2 or RISC OS 2) machines may experience problems with the application because the walls appear totally black. This is because (I believe) their machines cannot handle mode 28. To rectify the problem you need to make the graphics files mode 13 and not mode 28. This can be done using ChangeFSI or a similar conversion application, else ontact me for the mode 13 versions.


**************************************
1.6 "BUT its NOT FINISHED???"
**************************************

Reasons:

1) You guys have to do some work!
2) It will build your character
3) You'd be bored if there was nothing for you to do
4) I want to see what you can all do
5) Okay, I admit I was a teeny bit short of time (hols, damn ;-))



**************************************
2. "Note to STRONGARM users"
**************************************

StrongARM RISC PC owners may (like myself) find the program to crash with either a floating point error or some sort of instruction abort. This (thank god!) is nothing to do with the program, but some sort of irregularity in the StrongARM architecture which isn't spotted by the compiler. 
A patch is available from A.R.T, it can be found on one of the Clan Acorn membership discs and most likely from their web site:
http://www.art.acorn.co.uk/www.acorn.com 

**************************************
3. "Screen mode problems"
**************************************

The !AUA_Attack application uses mode 13 to generate its view. On RISC PC machines (and some of those with RISC OS 3 or later) this screen mode is "letter-boxed". This can be corrected by changing the mode definition file on your computer. The changes made are specific to your own monitor, so it is best to either
1) Contact your dealer
2) Contact someone who knows their Acorns!
3) Contact me for advice.
Note that the engine will still WORK, albeit a little "squished"!

In this version screen banking is used, so make sure that enough screen memory is available.

**************************************
4. "New graphics and things"
**************************************

The new graphics inside the !AUA_Attack application feature a various number of tiles differing in their style and pupose, such as a urinal, trees, bookshelf. The object graphics are too varied to list, have a look when you run it!

**************************************
5. "BUT I ONLY FIND OBJECTS IN THE LOOS"
**************************************

This is because I haven't put any more objects in the objworld file. You have to be careful to watch the walls when you are doing this, it is useful to have both the world and objworld file up when doing this, or else you will get objects in walls. The objects in the code are guaranteed (!) not to be in walls, but like I said it takes a long time to make sure all objects are suitably placed, so I have left the reader to do so.

**************************************
6. "Contacting me and other issues"
**************************************

THIS MONTH read the source code (and comments) for the many (albeit small and large) changes to the code, and also read the comments inside the applications !run file for details of passing parameters to the engine, and of course the objects and things!!! I repeat PLEASE CONTACT ME, for any reason


Email: AUThreeD@AOL.COM
Snail: See address in article
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*
00000810  2a 2a 2a 2a 0a 0a 41 20  66 65 77 20 72 65 61 64  |****..A few read|
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000009d0  2a 2a 2a 2a 2a 2a 2a 2a  0a 31 2e 36 20 22 42 55  |********.1.6 "BU|
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00000ad0  61 64 6d 69 74 20 49 20  77 61 73 20 61 20 74 65  |admit I was a te|
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00000af0  20 74 69 6d 65 20 28 68  6f 6c 73 2c 20 64 61 6d  | time (hols, dam|
00000b00  6e 20 3b 2d 29 29 0a 0a  0a 0a 2a 2a 2a 2a 2a 2a  |n ;-))....******|
00000b10  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
*
00000b30  0a 32 2e 20 22 4e 6f 74  65 20 74 6f 20 53 54 52  |.2. "Note to STR|
00000b40  4f 4e 47 41 52 4d 20 75  73 65 72 73 22 0a 2a 2a  |ONGARM users".**|
00000b50  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
*
00000b70  2a 2a 2a 2a 0a 0a 53 74  72 6f 6e 67 41 52 4d 20  |****..StrongARM |
00000b80  52 49 53 43 20 50 43 20  6f 77 6e 65 72 73 20 6d  |RISC PC owners m|
00000b90  61 79 20 28 6c 69 6b 65  20 6d 79 73 65 6c 66 29  |ay (like myself)|
00000ba0  20 66 69 6e 64 20 74 68  65 20 70 72 6f 67 72 61  | find the progra|
00000bb0  6d 20 74 6f 20 63 72 61  73 68 20 77 69 74 68 20  |m to crash with |
00000bc0  65 69 74 68 65 72 20 61  20 66 6c 6f 61 74 69 6e  |either a floatin|
00000bd0  67 20 70 6f 69 6e 74 20  65 72 72 6f 72 20 6f 72  |g point error or|
00000be0  20 73 6f 6d 65 20 73 6f  72 74 20 6f 66 20 69 6e  | some sort of in|
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00000c00  20 54 68 69 73 20 28 74  68 61 6e 6b 20 67 6f 64  | This (thank god|
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*
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00001470  20 21 72 75 6e 20 66 69  6c 65 20 66 6f 72 20 64  | !run file for d|
00001480  65 74 61 69 6c 73 20 6f  66 20 70 61 73 73 69 6e  |etails of passin|
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000014d0  21 21 21 20 49 20 72 65  70 65 61 74 20 50 4c 45  |!!! I repeat PLE|
000014e0  41 53 45 20 43 4f 4e 54  41 43 54 20 4d 45 2c 20  |ASE CONTACT ME, |
000014f0  66 6f 72 20 61 6e 79 20  72 65 61 73 6f 6e 0a 0a  |for any reason..|
00001500  0a 45 6d 61 69 6c 3a 20  41 55 54 68 72 65 65 44  |.Email: AUThreeD|
00001510  40 41 4f 4c 2e 43 4f 4d  0a 53 6e 61 69 6c 3a 20  |@AOL.COM.Snail: |
00001520  53 65 65 20 61 64 64 72  65 73 73 20 69 6e 20 61  |See address in a|
00001530  72 74 69 63 6c 65                                 |rticle|
00001536