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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/road_cmd.cpp
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@@ -1838,8 +1838,10 @@ void DrawRoadBits(TileInfo *ti)
}
/** Tile callback function for rendering a road tile to the screen */
static void DrawTile_Road(TileInfo *ti)
static void DrawTile_Road(TileInfo *ti, DrawTileProcParams params)
{
if (!IsBridgeAbove(ti->tile) && GetRoadTileType(ti->tile) != ROAD_TILE_DEPOT && params.min_visible_height > (int)((TILE_HEIGHT + BB_HEIGHT_UNDER_BRIDGE) * ZOOM_LVL_BASE)) return;
switch (GetRoadTileType(ti->tile)) {
case ROAD_TILE_NORMAL:
DrawRoadBits(ti);