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Add a minimum visible height and no ground tile parameter to DrawTileProc.

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Filter out tile parts which are entirely outside the drawing area.
This commit is contained in:
Jonathan G Rennison
2020-02-26 21:15:42 +00:00
parent 8ef367b126
commit 7949de2c05
13 changed files with 41 additions and 27 deletions
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4
src/rail_cmd.cpp
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@@ -3094,13 +3094,15 @@ static void DrawSignals(TileIndex tile, TrackBits rails, const RailtypeInfo *rti
}
}
static void DrawTile_Track(TileInfo *ti)
static void DrawTile_Track(TileInfo *ti, DrawTileProcParams params)
{
const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
_drawtile_track_palette = COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile));
if (IsPlainRail(ti->tile)) {
if (!IsBridgeAbove(ti->tile) && params.min_visible_height > max<int>(SIGNAL_DIRTY_TOP, (TILE_HEIGHT + BB_HEIGHT_UNDER_BRIDGE) * ZOOM_LVL_BASE) && !_signal_sprite_oversized) return;
TrackBits rails = GetTrackBits(ti->tile);
DrawTrackBits(ti, rails);