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(svn r2595) -Codechange: Introduced "IsSteepTileh" to find whether a tile is steep

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(i.e. spans two height levels) and use it throughout the code.
-Codechange: Add CanBuildDepotByTileh to find if a tile is suitable to
build a depot on it. Wraps some bitmagic which seems quite unreadable at
first glance
This commit is contained in:
celestar
2005-07-16 23:47:37 +00:00
parent 64f6839816
commit 9ca761b065
11 changed files with 87 additions and 19 deletions
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4
main_gui.c
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@@ -1218,7 +1218,7 @@ static void PlaceProc_LightHouse(TileIndex tile)
TileInfo ti;
FindLandscapeHeightByTile(&ti, tile);
if (ti.type != MP_CLEAR || (ti.tileh & 0x10))
if (IsTileType(tile, MP_CLEAR) || IsSteepTileh(ti.tileh))
return;
ModifyTile(tile, MP_SETTYPE(MP_UNMOVABLE) | MP_MAP5, 1);
@@ -1230,7 +1230,7 @@ static void PlaceProc_Transmitter(TileIndex tile)
TileInfo ti;
FindLandscapeHeightByTile(&ti, tile);
if (ti.type != MP_CLEAR || (ti.tileh & 0x10))
if (IsTileType(tile, MP_CLEAR) || IsSteepTileh(ti.tileh))
return;
ModifyTile(tile, MP_SETTYPE(MP_UNMOVABLE) | MP_MAP5, 0);