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  1. function Road::_IsSlopedRoadEfficient(start, middle, end, map_size_x = Road._map_size_x, _AITile = AITile)
  2. {
  3.     local NW = middle - map_size_x;
  4.     local NE = middle - 1;
  5.     local SE = middle + map_size_x;
  6.     local SW = middle + 1;
  7.  
  8.     NW = NW == start || NW == end; //Set to true if we want to build a road to / from the north-west
  9.     NE = NE == start || NE == end; //Set to true if we want to build a road to / from the north-east
  10.     SE = SE == start || SE == end; //Set to true if we want to build a road to / from the south-west
  11.     SW = SW == start || SW == end; //Set to true if we want to build a road to / from the south-east
  12.  
  13.     /* If there is a turn in the current tile, it can't be sloped. */
  14.     if ((NW || SE) && (NE || SW)) return false;
  15.  
  16.     local slope = _AITile.GetSlope(middle);
  17.     /* A road on a steep slope is always sloped. */
  18.     if (_AITile.IsSteepSlope(slope)) return true;
  19.  
  20.     /* If only one corner is raised, the road is sloped. */
  21.     if (slope == _AITile.SLOPE_N || slope == _AITile.SLOPE_W) return true;
  22.     if (slope == _AITile.SLOPE_S || slope == _AITile.SLOPE_E) return true;
  23.  
  24.     if (NW && (slope == _AITile.SLOPE_NW || slope == _AITile.SLOPE_SE)) return true;
  25.     if (NE && (slope == _AITile.SLOPE_NE || slope == _AITile.SLOPE_SW)) return true;
  26.  
  27.     return false;
  28. }
  29.  
  30. function Road::_IsSlopedRoad(start, middle, end)
  31. {
  32.     local NW = 0; //Set to true if we want to build a road to / from the north-west
  33.     local NE = 0; //Set to true if we want to build a road to / from the north-east
  34.     local SW = 0; //Set to true if we want to build a road to / from the south-west
  35.     local SE = 0; //Set to true if we want to build a road to / from the south-east
  36.  
  37.     if (middle - AIMap.GetMapSizeX() == start || middle - AIMap.GetMapSizeX() == end) NW = 1;
  38.     if (middle - 1 == start || middle - 1 == end) NE = 1;
  39.     if (middle + AIMap.GetMapSizeX() == start || middle + AIMap.GetMapSizeX() == end) SE = 1;
  40.     if (middle + 1 == start || middle + 1 == end) SW = 1;
  41.  
  42.     /* If there is a turn in the current tile, it can't be sloped. */
  43.     if ((NW || SE) && (NE || SW)) return false;
  44.  
  45.     local slope = AITile.GetSlope(middle);
  46.     /* A road on a steep slope is always sloped. */
  47.     if (AITile.IsSteepSlope(slope)) return true;
  48.  
  49.     /* If only one corner is raised, the road is sloped. */
  50.     if (slope == AITile.SLOPE_N || slope == AITile.SLOPE_W) return true;
  51.     if (slope == AITile.SLOPE_S || slope == AITile.SLOPE_E) return true;
  52.  
  53.     if (NW && (slope == AITile.SLOPE_NW || slope == AITile.SLOPE_SE)) return true;
  54.     if (NE && (slope == AITile.SLOPE_NE || slope == AITile.SLOPE_SW)) return true;
  55.  
  56.     return false;
  57. }
Posted by Anonymous at 24 Sep 2018, 22:24:32 UTC
Language: squirrel_openttd • Views: 740

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