[Freeciv-Dev] Sound patches please add to CVS

[David Weisgerber <tnt@xxxxxxxxx>]

Hi folks,
how I recently announced, I have finished adding sound output to freeciv. I 
have only some little problems which I will describe later.

I included two files, sound.c & sound.h, which must be moved to the client 
directory. Now you have two new functions:

play_sound_unit ( struct unit *, int )
play_sound_event ( int )

With play_sound_unit you can play a sound for the unit and its action by 
bypassing the unit - struct and the action the unit does ( I defined some 
magics which made it easier to use: SOUND_UNIT_ACTIVATE, SOUND_UNIT_MOVE, 
SOUND_UNIT_ATTACK, SOUND_UNIT_SPECIAL, SOUND_UNIT_DESTROYED).
So for example, the routine where a unit moves must be:

/* ... */
play_sound_unit ( punit, SOUND_UNIT_MOVE);
/* ... */

TODO: Implement this to the right place, I wasn't sure where I should put it 
because I did miss a clear move_unit() function in freeciv...

The same is done with the special events, I defined 37 unique events (taken 
from the freeciv.org page). Please add it this way:

/* ... */
play_sound_event ( SOUND_DIPLOMATED);
/* ... */

TODO: Implement this to the right place. There is a huge problem with 
freeciv: It is too fast. In the original civilisation games from Sid Meier 
you had for every single event a popup window which was displayed one after 
the other. In freeciv you have only one popup window with all events. How you 
can imagine that's not good for sound...

What sounds are played is declared in sound.h in a const struct, please 
search for the right sounds you want to have played. I weren't able to find 
some cool which would fit. Later I will change the code to add an option to 
parse it from a config file like the tile sets...

Please edit the configure file to include sound.c. It must be compiled like 
control.c so it just some copy & paste to do. Have thanks...

The whole thing only depends on "play", but maybe I will write a routine for 
output via ALSA or OSS. 

CU,
David

PS: Please comment what I did!!! And by the way, change the wave files which 
I included in sound.h...

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sound.h
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sound.c
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