Texture Mapping extension

[Allen Smith]

…but rest assurred that we plan to continue our work and to expand the specification as necessary, whether it's fully "external" or not.

I have been meaning to look at implementing this syntax for several years, but when Travis brought it up again, I was finally stimulated to get started. While writing a parser for this texture syntax, several questions have arisen. I would appreciate it if you could answer them:

1. You have mentioned your intention to extend this syntax. Where are such extensions going to happen? How are they going to be backwards-compatible with a parser which does not implement them?

2. Suppose I have an image file named

Code:

"Evil" grin.png

What does the TEXMAP START line look like to reference that file?

3. What is the result of the following code snippets?
(Please ignore any actual numbers; they are for demonstration purposes only.)
(Please treat each snippet as if it were contained in a separate file)

Code:

0 // Snippet 1
0 !TEXMAP NEXT PLANAR 1 2 3 4 5 6 7 8 9 image.png
0 !TEXMAP NEXT PLANAR 1 2 3 4 5 6 7 8 9 image2.png
4 4 0 0 0 80 0 0 80 -80 0 0 -80 0
3 4 0 0 0 80 0 0 40 -40 0

Code:

0 // Snippet 2
0 !TEXMAP NEXT PLANAR 1 2 3 4 5 6 7 8 9 image.png
0 // comment
4 4 0 0 0 80 0 0 80 -80 0 0 -80 0

Code:

0 // Snippet 3
0 !TEXMAP START PLANAR 1 2 3 4 5 6 7 8 9 image.png
0 !TEXMAP START PLANAR 1 2 3 4 5 6 7 8 9 image2.png
4 4 0 0 0 80 0 0 80 -80 0 0 -80 0
0 !TEXMAP END
3 4 0 0 0 80 0 0 40 -40 0
0 !TEXMAP END

Code:

0 // Snippet 4
0 !TEXMAP START PLANAR 1 2 3 4 5 6 7 8 9 image.png
4 4 0 0 0 80 0 0 80 -80 0 0 -80 0
0 !TEXMAP NEXT PLANAR 1 2 3 4 5 6 7 8 9 image2.png
0 !TEXMAP END
3 4 0 0 0 80 0 0 40 -40 0

Code:

0 // Snippet 5
0 !TEXMAP START PLANAR 1 2 3 4 5 6 7 8 9 image.png
0 !: 0 !TEXMAP START PLANAR 1 2 3 4 5 6 7 8 9 image2.png
0 !: 4 4 0 0 0 80 0 0 80 -80 0 0 -80 0
0 !: 0 !TEXMAP END
0 !: 3 4 0 0 0 80 0 0 40 -40 0
0 !TEXMAP END

Code:

0 // Snippet 6
0 !TEXMAP START PLANAR 1 2 3 4 5 6 7 8 9 image.png
0 !: 0 !TEXMAP START PLANAR 1 2 3 4 5 6 7 8 9 image2.png
0 !: 4 4 0 0 0 80 0 0 80 -80 0 0 -80 0
0 !: 0 !: 0 !TEXMAP START PLANAR 1 2 3 4 5 6 7 8 9 image2.png
0 !: 0 !: 4 4 0 0 0 80 0 0 80 -80 0 0 -80 0
0 !: 0 !: 0 !TEXMAP END
0 !: 0 !TEXMAP END
3 4 0 0 0 80 0 0 40 -40 0
0 !TEXMAP END

Code:

0 // Snippet 7
0 !TEXMAP START PLANAR 1 2 3 4 5 6 7 8 9 image.png
0 STEP
4 4 0 0 0 80 0 0 80 -80 0 0 -80 0
0 !TEXMAP END

Code:

0 // Snippet 8
0 !TEXMAP START PLANAR 1 2 3 4 5 6 7 8 9 image.png
3 4 0 0 0 80 0 0 40 -40 0
0 STEP
4 4 0 0 0 80 0 0 80 -80 0 0 -80 0
0 !TEXMAP END