[Freeciv-Dev] Re: SDL client: tilespec and themespec

[Rafa³ Bursig <bursig@xxxxxxxxx>]

Dnia 2002.12.19 06:13 Jason Short napisa³(a):
> I am strongly opposed to making sprite_hash available outside of
> tilespec.c.  This allows GUIs to add things to the tileset, but there
> will be no consistency or standardization.  If enough GUI authors take
> advantage of this "feature", we will eventually finding these
> non-standard additions conflicting with each other.
>
> I used to be in favor of adding a .themespec "theme" file that can be
> used on a per-GUI basis.  So data/sdl-theme.themespec would define the
> top-level information for the "default" SDL theme.
>
> But on continued reflection, I see that there is no real distinction
> between the tileset and the theme.  The current tilesets include
> arrows
> ("s.right_arrow", in misc/small.png), which IMO should be part of the
> theme.  It contains treaty window graphics (misc/treaty.png), intro
> graphics (misc/intro.png and misc/radar.png), numbers and letters
> (trident/tiles.png), government graphics, and flags.  Where do you
> draw
> the line between "tileset" and "theme" graphics?
>
> Additionally, the graphics themselves are closely tied to the tileset.
>
> If you change to using a larger-tiled tileset, you probably want to
> use
> larger button graphics as well.
>
> So the solution I'm now in favor of is making these graphics a defined
> part of the tileset.  We add them to named_sprites and load them along
> with all the other sprites.  The GUI code can use these sprites as
> needed; the only disadvantage is that they will take up memory even if
> not needed.  But I suspect GUIs can find a way to use them - for
> instance gui-gtk-2.0 could easily use them as icon graphics in the
> menus (although I don't know if this would actually look good).
some facts :
- SDLClient can't work without tileset with gui graphics and other 
clients can.
- If you want use tileset with gui gfx in other clients simple remove 
theme entry from main *.tilespec file.
- If you want use existing tilesets ( without gui gfx ) you maus add 
this graphic and modify *.tilespec file.
- numbers of SDL theme graphic isn't const and rather will be biger.

We should change loading specfile procedure :

Client on start should read only main "*.specfile" and here should be 
moved some info from current *.tilespec ( like used font ,  paths , 
start resolution , etc ). In "main.specfile" should be only 2 entry of 
spec files :
1) *.tilespec - for map/unit/cities/fx graphic.
2) *.themespec - for gui theme graphic.

                           name.tilespec
                        /
name.specfile
                        \
                          name.themespec

Secound *.themespec file should fill secound theme_hash_table ( in 
tilespec.c ) which will be available outside of tilespec.c. Each client 
should have own theme sprite array and code to setup this array from 
theme_hash_table. We can unificate part of this theme array and put 
into common side but not all, this give us flex. to adding and removing 
gfx from theme and open way to new unification of some theme graphic.

> As for the triplicate intro graphics, I think the best solution here
> is
> to provide a single graphics file that has a smallish (510x300)
> content
> area but has a large background.  Then the image can be displayed
> *without scaling* so that the content area is centered, but as the
> canvas gets larger more of the background is shown.  Imagine
> freeciv-test's intro3.png with a more regular background, or
> http://www.techdeck.org/freeciv-heb.jpg with the background texture
> continuing as far outward as necessary.
This should be configurable by specfile ( not hard coded in code ).
Code should support all case that creator of tile theme want.
if creator want intro :
1)  "solid" backgrount with center "small" texture then specfile should 
have such info and code should make such "solid" bcgd and draw center 
texture.
2) image with "w" and "h" then code should draw it ( or scal and draw ) 
Creator should know what is doing :)
Rafal

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