private GridItem(short tileType, ItemRotation tileRotation, short structureType, ItemRotation objectRotation, int health)
{
_tileType = tileType;
_structureType = structureType;
_health = health;
_rotation = (byte)((byte)tileRotation | ((byte)objectRotation) << 4);
}
public int2 Rotate(int2 position, ItemRotation rotation)
{
return(rotation switch
{
ItemRotation.Clockwise => int2(position.y, Width - 1 - position.x),
ItemRotation.Reversed => int2(Width - 1 - position.x, Height - 1 - position.y),
ItemRotation.CounterClockwise => int2(Height - 1 - position.y, position.x),
_ => int2(position.x, position.y)
});
protected static int GetRotationDegrees(ItemRotation rot)
{
if (rot == ItemRotation.R0)
{
return(0);
}
if (rot == ItemRotation.R270)
{
return(270);
}
if (rot == ItemRotation.R90)
{
return(90);
}
return(180);
}
public static float2 Direction(this ItemRotation rotation)
{
switch (rotation)
{
case ItemRotation.None:
return(float2(0, 1));
case ItemRotation.CounterClockwise:
return(float2(-1, 0));
case ItemRotation.Reversed:
return(float2(0, -1));
case ItemRotation.Clockwise:
return(float2(1, 0));
default:
throw new ArgumentOutOfRangeException(nameof(rotation), rotation, null);
}
}
public static char Arrow(this ItemRotation rot)
{
switch (rot)
{
case ItemRotation.None:
return('\u2191');
case ItemRotation.Clockwise:
return('\u2192');
case ItemRotation.Reversed:
return('\u2193');
case ItemRotation.CounterClockwise:
return('\u2190');
default:
throw new ArgumentOutOfRangeException(nameof(rot), rot, null);
}
}
public static float2 Rotate(this float2 v, ItemRotation rotation)
{
switch (rotation)
{
case ItemRotation.None:
return(v);
case ItemRotation.CounterClockwise:
return(float2(-v.y, v.x));
case ItemRotation.Reversed:
return(float2(-v.x, -v.y));
case ItemRotation.Clockwise:
return(float2(v.y, -v.x));
default:
throw new ArgumentOutOfRangeException(nameof(rotation), rotation, null);
}
}
/// <summary> Creates a new GridItem that represents a tile with the given object added to it. </summary> public GridItem AddStructure(short structureType, ItemRotation objectRotation, int health) => new GridItem(_tileType, TileRotation, structureType, objectRotation, health);
public GridItem(short tileType, ItemRotation tileRotation)
: this(tileType, tileRotation, 0, ItemRotation.None, 0)
{
}
