/// <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;
}
// Crystal LAT tile connects to specific tiles in CrystalCliff
if (collection.IsCrystalLAT(t.SetNum))
{
if (tileTopRight != null && collection.IsCrystalCliff(tileTopRight.SetNum) &&
tileTopRight.TileNum == collection.GetTileNumFromSet(tileTopRight.SetNum, 1))
{
transitionTile = 0;
}
if (tileBottomRight != null && collection.IsCrystalCliff(tileBottomRight.SetNum) &&
tileBottomRight.TileNum == collection.GetTileNumFromSet(tileBottomRight.SetNum, 4))
{
transitionTile = 0;
}
if (tileBottomLeft != null && collection.IsCrystalCliff(tileBottomLeft.SetNum) &&
tileBottomLeft.TileNum == collection.GetTileNumFromSet(tileBottomLeft.SetNum, 0))
{
transitionTile = 0;
}
if (tileTopLeft != null && collection.IsCrystalCliff(tileTopLeft.SetNum) &&
tileTopLeft.TileNum == collection.GetTileNumFromSet(tileTopLeft.SetNum, 5))
{
transitionTile = 0;
}
}
// Swamp has TilesInSet=9 instead of 1 for LAT tilesets
// which doubles as a normal set for remaining tiles.
if (collection.IsSwampLAT(t.SetNum) && t.TileNum > collection.GetTileNumFromSet(t.SetNum, 0))
{
transitionTile = 0;
}
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);
}
}
}
}