Alpha: 2.0.1 alpha 6

I've released alpha 6 at http://www.ttdpatch.net/src/

Lots of new stuff and bugfixes again.

The new station graphics (from e.g. http://www.patagonia.de.vu/ttd/) are 
going to start working soon.  Right now, I've added the "newstations" 
switch (-YI), but at this point it only allows choosing new station layouts 
in the construction screen.  When you build them, they will not look 
different.  Wait for alpha 7 :)

To test this, you can download newstat_tst.zip from the above source code 
page, which contains graphics for the DOS and Windows version.  It's only a 
crude demonstration, and displays a flashing number in the construction 
menu when the new stations are selected.  Those interested may notice that 
the first new station has numbers 1 to 4 depending on the track type 
(regular, electric, monorail or maglev), but the other three stations 
always show the same numbers 5 to 7.

I've also introduced a few new vehicle properties.  The graphics artists 
can now set where they want steam plumes to appear relative to the front of 
the engine, as well as setting the visual effect independently from the 
traction type and sound effect.  Also, it's now possible to have powered 
wagons by setting property 1B for the engine.  Then all wagons with a 
graphics override (i.e. those making up a train set) will add the given 
amount of power.  This will make modern trains more realistic, where the 
wagons are powered as well, e.g. the TGV and ICE3.

To the graphics artists: to make your graphics files compatible with 2.0 
rev 1 yet be able to use the new features, set the grf version to 5 and add 
an action 7 like this: * 9  07 8B 04 05 3C 00 0A 02 <num-sprites>.  This 
will skip those sprites in 2.0 rev 1, which you should do both for the new 
properties and the new station graphics.  Ideally, for setting wagon power 
you'd set the engine power outside this action 7 block, then override it to 
the engine-only power and set the wagon power inside the action 7 block.

All changes in 2.0.1 alpha 6:
- by Oskar: fix bug with incorrect button behaviour in station
   building window
- by Oskar: fix bug with station acceptance with
   moreindustriesperclimate
- by Csaba: fix crash when loading games with abandonedroads off
- by Csaba: fix bug when town tries to demolish tile
- define new vehicle properties for action 0: can now make powered
   train wagons for train sets, specify visual and sound effect
   separately and choose steam position. setting train&plane
   refitting won't do anything yet
- train wagons will no longer be converted to electric by Cht:
   Tracks 1 0
- electric wagons can now be attached to diesel engines and vice
   versa
- make it possible to undo action 4 for general texts (e.g. keep
   copy of org values somewhere, and array or linked list of texts
   modified so far) therefore general text action 4 can now be
   skipped by action 7
- new switch "newstations on" or -Yn enables new station graphics;
   but currently only displaying them in the construction window
   works
-- 
Josef Drexler ([email protected])
http://publish.uwo.ca/~jdrexler/

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