public bool IsInsideMapAndIsOpening(PointInt32 p)
{
if (myMap.ToRectInt32().IsOutSide(p))
return false;
return myMap[p] == O;
}
public T this[PointInt32 p]
{
get
{
return this[p.X, p.Y];
}
set
{
this[p.X, p.Y] = value;
}
}
public bool IsOutSide(PointInt32 p)
{
if (p.X < this.X)
return true;
if (p.Y < this.Y)
return true;
if (p.X >= this.Right)
return true;
if (p.Y >= this.Bottom)
return true;
return false;
}
private void ClipPlayer()
{
// stay inside map
fPlayerX = fPlayerX.Max(0).Min(MAP_WIDTH * TILE_SIZE);
fPlayerY = fPlayerY.Max(0).Min(MAP_HEIGHT * TILE_SIZE);
var PositionInWall =
new PointInt32
{
X = fPlayerX % TILE_SIZE,
Y = fPlayerY % TILE_SIZE
};
var TileTop = myMap[CurrentMapPosition.X, CurrentMapPosition.Y - 1];
var TileLeft = myMap[CurrentMapPosition.X - 1, CurrentMapPosition.Y];
var TileRight = myMap[CurrentMapPosition.X + 1, CurrentMapPosition.Y];
var TileBottom = myMap[CurrentMapPosition.X, CurrentMapPosition.Y + 1];
var c = CurrentMapPosition;
if (CurrentMapTile != O)
{
// we are inside a wall
// push us out of there
#region Dia
var A = PositionInWall.X > PositionInWall.Y;
var B = PositionInWall.X > (TILE_SIZE - PositionInWall.Y);
var DiaClipLeft = !A && !B;
var DiaClipRight = A && B;
var DiaClipTop = A && !B;
var DiaClipBottom = !A && B;
#endregion
#region Alt
var C = PositionInWall.X > (TILE_SIZE / 2);
var D = PositionInWall.Y > (TILE_SIZE / 2);
var AltClipTopLeft = !C && !D;
var AltClipBottomLeft = !C && D;
var AltClipTopRight = C && !D;
var AltClipBottomRight = C && D;
#endregion
var ClipLeft = DiaClipLeft;
if (TileTop != O)
{
ClipLeft |= AltClipTopLeft;
}
if (TileBottom != O)
{
ClipLeft |= AltClipBottomLeft;
}
var ClipRight = DiaClipRight;
if (TileTop != O)
{
ClipRight |= AltClipTopRight;
}
if (TileBottom != O)
{
ClipRight |= AltClipBottomRight;
}
var ClipTop = DiaClipTop;
if (TileLeft != O)
{
ClipTop |= AltClipTopLeft;
}
if (TileRight != O)
{
ClipTop |= AltClipTopRight;
}
var ClipBottom = DiaClipBottom;
if (TileLeft != O)
{
ClipBottom |= AltClipBottomLeft;
}
if (TileRight != O)
{
ClipBottom |= AltClipBottomRight;
}
if (ClipLeft)
{
fPlayerX = fPlayerX.Min(c.X * TILE_SIZE - PlayerRadiusMargin);
}
else if (ClipRight)
{
fPlayerX = fPlayerX.Max((c.X + 1) * TILE_SIZE + PlayerRadiusMargin);
}
if (ClipTop)
{
fPlayerY = fPlayerY.Min(c.Y * TILE_SIZE - PlayerRadiusMargin);
}
else if (ClipRight)
{
fPlayerY = fPlayerY.Max((c.Y + 1) * TILE_SIZE + PlayerRadiusMargin);
}
}
else
{
// fix corners
//
// * L
// F *
if (TileLeft != O)
{
fPlayerX = fPlayerX.Max(c.X * TILE_SIZE + PlayerRadiusMargin);
}
if (TileRight != O)
{
fPlayerX = fPlayerX.Min((c.X + 1) * TILE_SIZE - PlayerRadiusMargin);
}
if (TileTop != O)
{
fPlayerY = fPlayerY.Max(c.Y * TILE_SIZE + PlayerRadiusMargin);
}
if (TileBottom != O)
{
fPlayerY = fPlayerY.Min((c.Y + 1) * TILE_SIZE - PlayerRadiusMargin);
}
}
}
private void ClipPlayer()
{
// stay inside map
fPlayerX = fPlayerX.Max(0).Min(MAP_WIDTH * TILE_SIZE);
fPlayerY = fPlayerY.Max(0).Min(MAP_HEIGHT * TILE_SIZE);
var PositionInWall =
new PointInt32
{
X = fPlayerX % TILE_SIZE,
Y = fPlayerY % TILE_SIZE
};
var TileTop = myMap[CurrentMapPosition.X, CurrentMapPosition.Y - 1];
var TileLeft = myMap[CurrentMapPosition.X - 1, CurrentMapPosition.Y];
var TileRight = myMap[CurrentMapPosition.X + 1, CurrentMapPosition.Y];
var TileBottom = myMap[CurrentMapPosition.X, CurrentMapPosition.Y + 1];
var c = CurrentMapPosition;
if (CurrentMapTile != O)
{
// we are inside a wall
// push us out of there
#region Dia
var A = PositionInWall.X > PositionInWall.Y;
var B = PositionInWall.X > (TILE_SIZE - PositionInWall.Y);
var DiaClipLeft = !A && !B;
var DiaClipRight = A && B;
var DiaClipTop = A && !B;
var DiaClipBottom = !A && B;
#endregion
#region Alt
var C = PositionInWall.X > (TILE_SIZE / 2);
var D = PositionInWall.Y > (TILE_SIZE / 2);
var AltClipTopLeft = !C && !D;
var AltClipBottomLeft = !C && D;
var AltClipTopRight = C && !D;
var AltClipBottomRight = C && D;
#endregion
var ClipLeft = DiaClipLeft;
if (TileTop != O) ClipLeft |= AltClipTopLeft;
if (TileBottom != O) ClipLeft |= AltClipBottomLeft;
var ClipRight = DiaClipRight;
if (TileTop != O) ClipRight |= AltClipTopRight;
if (TileBottom != O) ClipRight |= AltClipBottomRight;
var ClipTop = DiaClipTop;
if (TileLeft != O) ClipTop |= AltClipTopLeft;
if (TileRight != O) ClipTop |= AltClipTopRight;
var ClipBottom = DiaClipBottom;
if (TileLeft != O) ClipBottom |= AltClipBottomLeft;
if (TileRight != O) ClipBottom |= AltClipBottomRight;
if (ClipLeft)
fPlayerX = fPlayerX.Min(c.X * TILE_SIZE - PlayerRadiusMargin);
else if (ClipRight)
fPlayerX = fPlayerX.Max((c.X + 1) * TILE_SIZE + PlayerRadiusMargin);
if (ClipTop)
fPlayerY = fPlayerY.Min(c.Y * TILE_SIZE - PlayerRadiusMargin);
else if (ClipRight)
fPlayerY = fPlayerY.Max((c.Y + 1) * TILE_SIZE + PlayerRadiusMargin);
}
else
{
// fix corners
//
// * L
// F *
if (TileLeft != O)
fPlayerX = fPlayerX.Max(c.X * TILE_SIZE + PlayerRadiusMargin);
if (TileRight != O)
fPlayerX = fPlayerX.Min((c.X + 1) * TILE_SIZE - PlayerRadiusMargin);
if (TileTop != O)
fPlayerY = fPlayerY.Max(c.Y * TILE_SIZE + PlayerRadiusMargin);
if (TileBottom != O)
fPlayerY = fPlayerY.Min((c.Y + 1) * TILE_SIZE - PlayerRadiusMargin);
}
}