/// <summary>Recalculates tile system. </summary>
public static void FixTiles(TileLayer tiles, TileCollection collection) {
Logger.Info("Recalculating tile LAT system");
// change all CLAT tiles to their corresponding LAT tiles
foreach (MapTile t in tiles) {
// If this tile comes from a CLAT (connecting lat) set,
// then replace it's set and tilenr by corresponding LAT sets'
t.SetNum = collection.GetSetNum(t.TileNum);
if (collection.IsCLAT(t.SetNum)) {
t.SetNum = collection.GetLAT(t.SetNum);
t.TileNum = collection.GetTileNumFromSet(t.SetNum);
}
}
// apply autolat
foreach (MapTile t in tiles) {
// If this tile is a LAT tile, we might have to connect it
if (collection.IsLAT(t.SetNum)) {
// Which tile to use from CLAT tileset
byte transitionTile = 0;
MapTile tileTopRight = tiles.GetNeighbourTile(t, TileLayer.TileDirection.TopRight);
MapTile tileBottomRight = tiles.GetNeighbourTile(t, TileLayer.TileDirection.BottomRight);
MapTile tileBottomLeft = tiles.GetNeighbourTile(t, TileLayer.TileDirection.BottomLeft);
MapTile tileTopLeft = tiles.GetNeighbourTile(t, TileLayer.TileDirection.TopLeft);
// Find out setnums of adjacent cells
if (tileTopRight != null && collection.ConnectTiles(t.SetNum, tileTopRight.SetNum))
transitionTile += 1;
if (tileBottomRight != null && collection.ConnectTiles(t.SetNum, tileBottomRight.SetNum))
transitionTile += 2;
if (tileBottomLeft != null && collection.ConnectTiles(t.SetNum, tileBottomLeft.SetNum))
transitionTile += 4;
if (tileTopLeft != null && collection.ConnectTiles(t.SetNum, tileTopLeft.SetNum))
transitionTile += 8;
if (transitionTile > 0) {
// Find Tileset that contains the connecting pieces
short clatSet = collection.GetCLATSet(t.SetNum);
// Do not change this setnum, as then we could recognize it as
// a different tileset for later tiles around this one.
// (T->SetNum = clatSet;)
t.TileNum = collection.GetTileNumFromSet(clatSet, transitionTile);
t.Drawable = collection.GetDrawable(t);
}
}
// apply ramp fixup
else if (t.SetNum == collection.RampBase) {
var ti = t.GetTileImage();
if (ti.RampType < 1 || 4 < ti.TerrainType) continue;
int fixup = -1;
MapTile tileTopRight = tiles.GetNeighbourTile(t, TileLayer.TileDirection.TopRight);
MapTile tileBottomRight = tiles.GetNeighbourTile(t, TileLayer.TileDirection.BottomRight);
MapTile tileBottomLeft = tiles.GetNeighbourTile(t, TileLayer.TileDirection.BottomLeft);
MapTile tileTopLeft = tiles.GetNeighbourTile(t, TileLayer.TileDirection.TopLeft);
switch (ti.RampType) {
case 1:
// northwest facing
if (tileTopLeft != null && tileTopLeft.GetTileImage().RampType == 0)
fixup++;
if (tileBottomRight != null && tileBottomRight.GetTileImage().RampType == 0)
fixup += 2;
break;
case 2: // northeast facing
if (tileTopRight != null && tileTopRight.GetTileImage().RampType == 0)
fixup++;
if (tileBottomLeft != null && tileBottomLeft.GetTileImage().RampType == 0)
fixup += 2;
break;
case 3: // southeast facing
if (tileBottomRight != null && tileBottomRight.GetTileImage().RampType == 0)
fixup++;
if (tileTopLeft != null && tileTopLeft.GetTileImage().RampType == 0)
fixup += 2;
break;
case 4: // southwest facing
if (tileBottomLeft != null && tileBottomLeft.GetTileImage().RampType == 0)
fixup++;
if (tileTopRight != null && tileTopRight.GetTileImage().RampType == 0)
fixup += 2;
break;
}
if (fixup != -1) {
t.TileNum = collection.GetTileNumFromSet(collection.RampSmooth, (byte)((ti.RampType - 1) * 3 + fixup));
// update drawable too
t.Drawable = collection.GetDrawable(t);
}
}
}
}
