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(svn r4724) - Newstations: Add per-tile random data for station tiles.

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This commit is contained in:
peter1138 2006-05-03 21:25:49 +00:00
parent be5744ae50
commit 530b413612
4 changed files with 15 additions and 1 deletions
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1
docs/landscape.html
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@ -381,6 +381,7 @@ exit towards: <tt>47</tt> - NE, <tt>48</tt> - SE, <tt>49</tt> - SW, <tt>4A</tt>
<li>m1: <a href="#OwnershipInfo">owner</a> of the station</li>
<li>m2: index into the <a href="#_StationArray">array of stations</a></li>
<li>m3 bits 0..3: <a href="#TrackType">track type</a> for railway stations, must be 0 for all the other stations</li>
<li>m3 bits 4..7: persistent random data for newstations</li>
<li>m4 = custom station id; 0 means standard graphics</li>
</ul>
</td></tr>

2
docs/landscape_grid.html
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@ -145,7 +145,7 @@ the array so you can quickly see what is used and what is not.
<td class="caption">station</td>
<td class="bits">XXXX XXXX</td>
<td class="bits">XXXX XXXX XXXX XXXX</td>
<td class="bits"><span class="free">OOOO</span> XXXX</td>
<td class="bits">XXXX XXXX</td>
<td class="bits">XXXX XXXX</td>
<td class="bits">XXXX XXXX</td>
<td class="bits">XXXX XXXX</td>

1
station_cmd.c
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@ -1083,6 +1083,7 @@ int32 CmdBuildRailroadStation(TileIndex tile_org, uint32 flags, uint32 p1, uint3
MakeRailStation(tile, st->owner, st->index, axis, *layout_ptr++, GB(p2, 0, 4));
SetCustomStationSpecIndex(tile, specindex);
SetStationTileRandomBits(tile, GB(Random(), 0, 4));
tile += tile_delta;
} while (--w);

12
station_map.h
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@ -236,6 +236,18 @@ static inline uint GetCustomStationSpecIndex(TileIndex t)
return _m[t].m4;
}
static inline void SetStationTileRandomBits(TileIndex t, byte random_bits)
{
assert(IsTileType(t, MP_STATION));
SB(_m[t].m3, 4, 4, random_bits);
}
static inline byte GetStationTileRandomBits(TileIndex t)
{
assert(IsTileType(t, MP_STATION));
return GB(_m[t].m3, 4, 4);
}
static inline void MakeStation(TileIndex t, Owner o, StationID sid, byte m5)
{
SetTileType(t, MP_STATION);