public static bool DirectionsOnSameSide(TileDirection directionA, TileDirection directionB)
{
if (directionA.X == 0)
{
if (directionB.X == 0)
{
return(true);
}
}
if (directionA.X == 2)
{
if (directionB.X == 2)
{
return(true);
}
}
if (directionA.Y == 0)
{
if (directionB.Y == 0)
{
return(true);
}
}
if (directionA.Y == 2)
{
if (directionB.Y == 2)
{
return(true);
}
}
return(false);
}
public static bool DirectionsAreInLine(TileDirection directionA, TileDirection directionB)
{
if (directionA.X == directionB.X)
{
return(true);
}
if (directionA.Y == directionB.Y)
{
return(true);
}
return(false);
}
public static void RotateDirection(TileDirection initialDirection, TileOrientation orientation, ref TileDirection resultDirection)
{
resultDirection = initialDirection;
if (orientation.SwitchedAxes)
{
resultDirection.SwitchAxes();
}
if (orientation.ResultXFlip)
{
resultDirection.FlipX();
}
if (orientation.ResultYFlip)
{
resultDirection.FlipY();
}
}
public static bool IdenticalTileDirections(TileDirection tileOrientationA, TileDirection tileOrientationB)
{
return(tileOrientationA.X == tileOrientationB.X & tileOrientationA.Y == tileOrientationB.Y);
}
public static clsTerrain.Tile.sTexture OrientateTile(ref TileOrientationChance tileChance, TileDirection newDirection)
{
var returnResult = new clsTerrain.Tile.sTexture();
//use random for empty tiles
if (tileChance.TextureNum < 0)
{
returnResult.Orientation.ResultXFlip = App.Random.Next() >= 0.5F;
returnResult.Orientation.ResultYFlip = App.Random.Next() >= 0.5F;
returnResult.Orientation.SwitchedAxes = App.Random.Next() >= 0.5F;
returnResult.TextureNum = -1;
return(returnResult);
}
//stop invalid numbers
if (tileChance.Direction.X > 2 | tileChance.Direction.Y > 2 | newDirection.X > 2 | newDirection.Y > 2)
{
Debugger.Break();
return(returnResult);
}
//stop different direction types
if ((newDirection.X == 1 ^ newDirection.Y == 1) ^ (tileChance.Direction.X == 1 ^ tileChance.Direction.Y == 1))
{
Debugger.Break();
return(returnResult);
}
returnResult.TextureNum = tileChance.TextureNum;
//if a direction is neutral then give a random orientation
if ((newDirection.X == 1 & newDirection.Y == 1) || (tileChance.Direction.X == 1 & tileChance.Direction.Y == 1))
{
returnResult.Orientation.SwitchedAxes = App.Random.Next() >= 0.5F;
returnResult.Orientation.ResultXFlip = App.Random.Next() >= 0.5F;
returnResult.Orientation.ResultYFlip = App.Random.Next() >= 0.5F;
return(returnResult);
}
bool isDiagonal = newDirection.X != 1 & newDirection.Y != 1;
if (isDiagonal)
{
returnResult.Orientation.SwitchedAxes = false;
//use flips to match the directions
if (tileChance.Direction.X == 0 ^ newDirection.X == 0)
{
returnResult.Orientation.ResultXFlip = true;
}
else
{
returnResult.Orientation.ResultXFlip = false;
}
if (tileChance.Direction.Y == 0 ^ newDirection.Y == 0)
{
returnResult.Orientation.ResultYFlip = true;
}
else
{
returnResult.Orientation.ResultYFlip = false;
}
//randomly switch to the alternate orientation
if (App.Random.Next() >= 0.5F)
{
returnResult.Orientation.SwitchedAxes = !returnResult.Orientation.SwitchedAxes;
if ((newDirection.X == 0 ^ newDirection.Y == 0) ^ (returnResult.Orientation.ResultXFlip ^ returnResult.Orientation.ResultYFlip))
{
returnResult.Orientation.ResultXFlip = !returnResult.Orientation.ResultXFlip;
returnResult.Orientation.ResultYFlip = !returnResult.Orientation.ResultYFlip;
}
}
}
else
{
//switch axes if the directions are on different axes
returnResult.Orientation.SwitchedAxes = tileChance.Direction.X == 1 ^ newDirection.X == 1;
//use a flip to match the directions
if (returnResult.Orientation.SwitchedAxes)
{
if (tileChance.Direction.Y != newDirection.X)
{
returnResult.Orientation.ResultXFlip = true;
}
else
{
returnResult.Orientation.ResultXFlip = false;
}
if (tileChance.Direction.X != newDirection.Y)
{
returnResult.Orientation.ResultYFlip = true;
}
else
{
returnResult.Orientation.ResultYFlip = false;
}
}
else
{
if (tileChance.Direction.X != newDirection.X)
{
returnResult.Orientation.ResultXFlip = true;
}
else
{
returnResult.Orientation.ResultXFlip = false;
}
if (tileChance.Direction.Y != newDirection.Y)
{
returnResult.Orientation.ResultYFlip = true;
}
else
{
returnResult.Orientation.ResultYFlip = false;
}
}
//randomly switch to the alternate orientation
if (App.Random.Next() >= 0.5F)
{
if (newDirection.X == 1)
{
returnResult.Orientation.ResultXFlip = !returnResult.Orientation.ResultXFlip;
}
else
{
returnResult.Orientation.ResultYFlip = !returnResult.Orientation.ResultYFlip;
}
}
}
return(returnResult);
}