/// <summary>
/// Draw a cricle, which optionally fades out towards the edges. Only sets cell backgrounds
/// </summary>
public static void DrawCircle(TCODConsole console, Vector2 center, float radius, TCODColor color, bool fade = true)
{
TCODColor currentCol;
Vector2 pos;
int e = (int)(center.x + radius);
int w = (int)(center.x - radius);
int n = (int)(center.y - radius);
int s = (int)(center.y + radius);
// small optimization so that the distance doesnt have to be calculated for each tile
float radSqr = radius * radius;
for (int x = w; x <= e; x++)
{
for (int y = n; y <= s; y++)
{
pos.x = x;
pos.y = y;
float sqrDist = (center - pos).SqrMagnitude();
if (sqrDist > radSqr)
{
continue;
}
float mag = fade ? 1.0f - (sqrDist / radSqr) : 1.0f;
currentCol = console.getCharBackground(x, y);
console.setCharBackground(x, y, CrossFadeColor(color, currentCol, mag));
}
}
}
public override void DrawNewFrame(TCODConsole screen)
{
if (m_enabled)
{
foreach (Point p in m_playerFOV)
{
int screenPlacementX = m_mapUpCorner.X + p.X + 1;
int screenPlacementY = m_mapUpCorner.Y + p.Y + 1;
if (IsDrawableTile(screenPlacementX, screenPlacementY))
screen.setCharBackground(screenPlacementX, screenPlacementY, ColorPresets.DarkRed);
}
foreach (ICharacter c in m_monsterFOV.Keys)
{
foreach (Point p in m_monsterFOV[c])
{
int screenPlacementX = m_mapUpCorner.X + p.X + 1;
int screenPlacementY = m_mapUpCorner.Y + p.Y + 1;
if (IsDrawableTile(screenPlacementX, screenPlacementY))
{
TCODColor currentColor = screen.getCharBackground(screenPlacementX, screenPlacementY);
screen.setCharBackground(screenPlacementX, screenPlacementY, TCODColor.Interpolate(currentColor, GetColorForMonster(c), .6f));
}
}
}
}
}
private void ColorSquare(TCODConsole screen, Point p, double strength, TCODColor color)
{
int screenPlacementX = m_mapUpCorner.X + p.X + 1;
int screenPlacementY = m_mapUpCorner.Y + p.Y + 1;
if (IsDrawableTile(screenPlacementX, screenPlacementY))
{
TCODColor attackColor = TCODColor.Interpolate(ColorPresets.Black, color, (float)strength);
TCODColor currentColor = screen.getCharBackground(screenPlacementX, screenPlacementY);
TCODColor newColor = TCODColor.Interpolate(currentColor, attackColor, .5f);
screen.setCharBackground(screenPlacementX, screenPlacementY, newColor);
}
}
/// <summary>
/// Draws a line on the console from start to end
/// </summary>
public static void DrawLine(TCODConsole console, Vector2 from, Vector2 to, TCODColor color, bool fade = true)
{
if (from == to)
{
return;
}
Vector2 delta = from - to;
int absDeltax = Math.Abs(delta.X);
int absDeltay = Math.Abs(delta.Y);
int signx = Math.Sign(delta.x);
int signy = Math.Sign(delta.y);
int error = 0;
int x = to.X;
int y = to.Y;
Vector2 current;
TCODColor currentBg;
// Is the line x or y dominant
if (absDeltax > absDeltay)
{
error = absDeltay * 2 - absDeltax;
do
{
if (error >= 0)
{
y += signy;
error -= absDeltax * 2;
}
x += signx;
error += absDeltay * 2;
if (x == from.x && y == from.y)
{
break;
}
current = new Vector2(x - to.x, y - to.y);
float mag = fade ? current.SqrMagnitude() / (to - from).SqrMagnitude() : 1.0f;
currentBg = console.getCharBackground(x, y);
console.setCharBackground(x, y, CrossFadeColor(color, currentBg, mag));
} while(x != from.x || y != from.y);
}
else
{
error = absDeltax * 2 - absDeltay;
do
{
if (error >= 0)
{
x += signx;
error -= absDeltay * 2;
}
y += signy;
error += absDeltax * 2;
if (x == from.x && y == from.y)
{
break;
}
current = new Vector2(x - to.x, y - to.y);
float mag = fade ? current.SqrMagnitude() / (to - from).SqrMagnitude() : 1.0f;
currentBg = console.getCharBackground(x, y);
console.setCharBackground(x, y, CrossFadeColor(color, currentBg, mag));
} while(x != from.x || y != from.y);
}
}
private void DrawTabBar(TCODConsole screen)
{
const int HorizontalTabOffset = 2;
screen.rect(UpperLeft + 1, UpperLeft + 1, SkillTreeWidth - 2, HorizontalTabOffset - 1, true);
screen.putChar(UpperLeft, UpperLeft + HorizontalTabOffset, (int)TCODSpecialCharacter.TeeEast);
screen.putChar(UpperLeft + SkillTreeWidth - 1, UpperLeft + HorizontalTabOffset, (int)TCODSpecialCharacter.TeeWest);
screen.hline(UpperLeft + 1, UpperLeft + HorizontalTabOffset, SkillTreeWidth - 2);
int x = UpperLeft + 2;
int y = UpperLeft + HorizontalTabOffset - 1;
foreach (string name in m_skillTreeTabs.Keys)
{
int xOffset = name == "Water" ? 1 : 0;
screen.print(x + xOffset, y, name);
x += name.Length + 1;
if (name != "Water")
{
screen.putChar(x, y, (int)TCODSpecialCharacter.VertLine);
// This is a bit of a hack. We don't want to overwrite the color'ed background title of the frame, so we check first
// This can break if libtcod changes that background title color
if (!screen.getCharBackground(x, y - 1).Equal(new TCODColor(211, 211, 211)))
screen.putChar(x, y - 1, (int)TCODSpecialCharacter.TeeSouth);
screen.putChar(x, y + 1, (int)TCODSpecialCharacter.TeeNorth);
}
x += 2;
if (m_currentTabName == name)
{
int lengthReductionToDueTee = name == "Water" ? 0 : 2;
for (int i = x - 4 - name.Length; i < x - lengthReductionToDueTee; i++)
{
screen.setCharBackground(i, y, TCODColor.grey);
}
}
}
}
