public static Vector2 DrawDecimal(this SpriteBatch spriteBatch, SpriteFont spriteFont, float value, uint decimalPlaces, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth)
{
if (spriteBatch == null)
{
throw new ArgumentNullException("spriteBatch");
}
if (spriteFont == null)
{
throw new ArgumentNullException("spriteFont");
}
// Draw the integer value
Vector2 nextPosition = spriteBatch.DrawInteger(spriteFont, XenMath.RoundFloatToInt(value), position, color, rotation, origin, scale, effects, layerDepth);
if (decimalPlaces > 0)
{
spriteBatch.DrawString(spriteFont, ".", nextPosition, color, rotation, origin, scale, effects, layerDepth);
nextPosition += spriteFont.MeasureString(".") * Vector2.UnitX;
// Draw each decimal digit afterwards one-by-one because otherwise the leading-0's disappear
for (int i = 0; i < decimalPlaces; i++)
{
value = (value - (int)value) * 10;
nextPosition = spriteBatch.DrawInteger(spriteFont, (int)value, nextPosition, color, rotation, origin, scale, effects, layerDepth);
}
}
return(nextPosition);
}
internal static Vector2 MeasureDecimalString(SpriteFont spriteFont, float value, uint decimalPlaces)
{
if (spriteFont == null)
{
throw new ArgumentNullException("spriteFont");
}
Vector2 size = SpriteBatchEx.MeasureIntegerString(spriteFont, XenMath.RoundFloatToInt(value));
if (decimalPlaces > 0)
{
Vector2 strVec = spriteFont.MeasureString(".");
size.X += strVec.X;
size.Y = Math.Max(size.Y, strVec.Y);
// Draw each decimal digit afterwards one-by-one because otherwise the leading-0's disappear
for (int i = 0; i < decimalPlaces; i++)
{
value = (value - (int)value) * 10;
strVec = SpriteBatchEx.MeasureIntegerString(spriteFont, (int)value);
size.X += strVec.X;
size.Y = Math.Max(size.Y, strVec.Y);
}
}
return(size);
}
public static void Draw(this SpriteBatch spriteBatch, Texture2D texture, Vector2 position, Rectangle?sourceRectangle, Color color, float rotation, Vector2 origin, float scale, SpriteEffects effects, float layerDepth, Matrix transformFromWorldToCamera, RenderParams renderParams)
{
position = Vector2.Transform(position, transformFromWorldToCamera);
Vector3 vecScale, translate;
Quaternion rotate;
transformFromWorldToCamera.Decompose(out vecScale, out rotate, out translate);
transformFromWorldToCamera.Translation = Vector3.Zero;
float angle = rotation + XenMath.GetAngleFloat(Vector2.Transform(Vector2.UnitX, transformFromWorldToCamera));
spriteBatch.Draw(
texture, // The sprite texture.
position, // The location, in screen coordinates, where the sprite will be drawn.
sourceRectangle, // A rectangle specifying, in texels, which section of the rectangle to draw. Use null to draw the entire texture.
color, // The color channel modulation to use. Use Color.White for full color with no tinting.
angle, // The angle, in radians, to rotate the sprite around the origin.
origin, // The origin of the sprite. Specify (0,0) for the upper-left corner.
new Vector2(vecScale.X, vecScale.Y) * scale, // Vector containing separate scalar multiples for the x- and y-axes of the sprite.
effects, // Rotations to apply before rendering.
layerDepth); // The sorting depth of the sprite, between 0 (front) and 1 (back). You must
// specify either SpriteSortMode.FrontToBack or SpriteSortMode.BackToFront for
// this parameter to affect sprite drawing.
}
private static void DrawSpriteInternal(this SpriteBatch spriteBatch, ISprite sprite, Matrix transformFromWorldToCamera, RenderParams renderParams)
{
Matrix transformFromSpriteToWorld = sprite.RenderingExtent.TranslateFrom;
Matrix fromSpriteToCamera = transformFromSpriteToWorld * transformFromWorldToCamera;
Vector2 position = Vector2.Transform(sprite.RenderingExtent.ReferenceTopLeft, fromSpriteToCamera);
Vector3 scale, translate;
Quaternion rotate;
fromSpriteToCamera.Decompose(out scale, out rotate, out translate);
fromSpriteToCamera.Translation = Vector3.Zero;
float angle = XenMath.GetAngleFloat(Vector2.Transform(Vector2.UnitX, fromSpriteToCamera));
spriteBatch.Draw(
sprite.TextureInfo.Asset, // The sprite texture.
position, // The location, in screen coordinates, where the sprite will be drawn.
sprite.TextureInfo.SourceRectangle, // A rectangle specifying, in texels, which section of the rectangle to draw. Use null to draw the entire texture.
sprite.ModulationColorWithOpacity, // The color channel modulation to use. Use Color.White for full color with no tinting.
angle, // The angle, in radians, to rotate the sprite around the origin.
Vector2.Zero, // The origin of the sprite. Specify (0,0) for the upper-left corner.
new Vector2(scale.X, scale.Y), // Vector containing separate scalar multiples for the x- and y-axes of the sprite.
sprite.SpriteEffects, // Rotations to apply before rendering.
sprite.LayerDepth); // The sorting depth of the sprite, between 0 (front) and 1 (back). You must
// specify either SpriteSortMode.FrontToBack or SpriteSortMode.BackToFront for
// this parameter to affect sprite drawing.
}
public static void DrawLine(this SpriteBatch spriteBatch, Color color, Vector2 start, Vector2 stop, int thickness, I2DDisplayModifiers attributes, Matrix transformFromWorldToCamera)
{
//float scale = Camera.GetScale( 1, Camera.Zoom, attributes.ParallaxDepth );
//Vector2 position = Camera.TranslateAbsoluteVectorToCamera( start, attributes.ParallaxDepth );
float originalLength = Vector2.Distance(start, stop);
start = Vector2.Transform(start, transformFromWorldToCamera);
stop = Vector2.Transform(stop, transformFromWorldToCamera);
float newLength = Vector2.Distance(start, stop);
float scale = newLength / originalLength; //originalLength might be 0
thickness = (int)Math.Max(1, thickness * scale);
Vector2 position = start;
_destinationRect.X = (int)position.X;
_destinationRect.Y = (int)(position.Y + (float)thickness / 2.0f);
_destinationRect.Width = (int)(Math.Ceiling(Vector2.Distance(start, stop)));
if (_destinationRect.Width == 0)
{
_destinationRect.Width = 1;
}
_destinationRect.Height = thickness;
SinglePixel pixel = SinglePixel.WhitePixel;
float angle = XenMath.GetAngleFloat(stop - start);
spriteBatch.Draw(
pixel.Asset,
_destinationRect,
pixel.SourceRectangle,
#if SILVERLIGHT
new Color(color, attributes.OpacityFinal),
#else
color *attributes.OpacityFinal,
#endif
angle,
Vector2.UnitY / 2.0f,
attributes.SpriteEffects,
attributes.LayerDepth);
}
/// <summary>
/// Extension method for SpriteBatch that draws a string without allocating
/// any memory. This function avoids garbage collections that are normally caused
/// by creating strings
/// </summary>
/// <param name="spriteBatch">The SpriteBatch instance whose DrawString method will be invoked.</param>
/// <param name="spriteFont">The SpriteFont to draw the text with.</param>
/// <param name="text">The text to draw.</param>
/// <param name="transformFromWorldToCamera">The matrix transformation to bring the world to camera-space.</param>
public static void DrawString(
this SpriteBatch spriteBatch,
SpriteFont spriteFont,
XenString text,
Matrix transformFromWorldToCamera
)
{
SpriteFont font = (spriteFont != null ? spriteFont : text.SpriteFont);
if (font == null)
{
throw new ArgumentNullException("spriteFont");
}
Matrix transformFromTextToWorld = text.RenderingExtent.TranslateFrom;
Matrix fromTextToCamera = transformFromTextToWorld * transformFromWorldToCamera;
Vector2 position = Vector2.Transform(text.RenderingExtent.ReferenceTopLeft, fromTextToCamera);
Vector3 scale, translate;
Quaternion rotate;
fromTextToCamera.Decompose(out scale, out rotate, out translate);
fromTextToCamera.Translation = Vector3.Zero;
float angle = XenMath.GetAngleFloat(Vector2.Transform(Vector2.UnitX, fromTextToCamera));
Vector2 nextPosition = position;
switch (text._type)
{
case XenString.XenStringType.String:
spriteBatch.DrawString(
font,
text.Text,
position,
text.ModulationColorWithOpacity,
angle,
Vector2.Zero,
new Vector2(scale.X, scale.Y),
text.SpriteEffects,
text.LayerDepth);
nextPosition += font.MeasureString(text.Text) * Vector2.Transform(Vector2.UnitX, Matrix.CreateRotationZ(angle));
break;
case XenString.XenStringType.Integer:
nextPosition = spriteBatch.DrawInteger(
font,
text.ValueInt,
position,
text.ModulationColorWithOpacity,
angle,
Vector2.Zero,
new Vector2(scale.X, scale.Y),
text.SpriteEffects,
text.LayerDepth);
break;
case XenString.XenStringType.Float:
nextPosition = spriteBatch.DrawDecimal(
font,
text.ValueFloat,
text.FloatDecimalPlaces,
position,
text.ModulationColorWithOpacity,
angle,
Vector2.Zero,
new Vector2(scale.X, scale.Y),
text.SpriteEffects,
text.LayerDepth);
break;
}
if (text._nextString != null)
{
spriteBatch.DrawString(
spriteFont,
text._nextString,
nextPosition,
text.ModulationColorWithOpacity,
angle,
Vector2.Zero,
new Vector2(scale.X, scale.Y),
text.SpriteEffects, text.LayerDepth);
}
if (text.IsTemporary)
{
text.Release();
}
}
public void MoveVertical(float amount)
{
Anchor = Anchor + XenMath.Rotate(new Vector2(0, amount), Angle);
}
public void MoveHorizontal(float amount)
{
Anchor = Anchor + XenMath.Rotate(new Vector2(amount, 0), Angle);
}
public static Vector2 TransformAndRound(Vector2 vectorToTransform, Matrix transformMatrix)
{
return(XenMath.RoundVector(Vector2.Transform(vectorToTransform, transformMatrix)));
}
