public void DrawLine()
{
if (!IsVisible)
{
return;
}
if (!IsInitialized)
{
throw new ApplicationException("Dialogue class was not initialized");
}
// set the vertex declaration
Game1.DefaultGraphics.GraphicsDevice.VertexDeclaration = _vertexDeclaration;
Orthographic.StartOrtho();
_basicEffect.Begin();
// draw the quad
foreach (EffectPass pass in _basicEffect.CurrentTechnique.Passes)
{
pass.Begin();
Game1.DefaultGraphics.GraphicsDevice.DrawUserIndexedPrimitives(
PrimitiveType.TriangleList,
_vertices, 0, 4, _indices, 0, 2);
pass.End();
}
_basicEffect.End();
_spriteBatch.Begin();
drawFancyBorders();
Orthographic.EndOrtho();
// Draw lines of dialogue
// Write strings to screen
string[] lines = _dialogueManager.GetLinesToWrite();
Vector2 textStart = new Vector2(_position.X + 5, _position.Y + 5);
foreach (string s in lines)
{
_spriteBatch.DrawString(Font, s, textStart, TextColor);
textStart.Y += Dialogue.FontHeight + Dialogue.FontVerticalSpacing;
}
_spriteBatch.End();
_spriteBatch.ResetFor3d();
}
private void initializeGraphics()
{
_spriteBatch = new SpriteBatch(Game1.DefaultGraphicsDevice);
_basicEffect = new BasicEffect(Game1.DefaultGraphicsDevice, null);
Orthographic.SetOrthoEffect(_basicEffect);
_vertexDeclaration = new VertexDeclaration(Game1.DefaultGraphics.GraphicsDevice,
new VertexElement[] {
new VertexElement(0, 0, VertexElementFormat.Vector3,
VertexElementMethod.Default, VertexElementUsage.Position, 0)
}
);
// create vertices for the background quad
_vertices = new Vector3[]
{
new Vector3(0, 0, 0),
new Vector3(_xSize, 0, 0),
new Vector3(_xSize, _ySize, 0),
new Vector3(0, _ySize, 0),
};
// create indices for the background quad
_indices = new short[] { 0, 1, 2, 2, 3, 0 };
// create an orthographic projection to draw the quad as a sprite
_basicEffect.Projection = Matrix.CreateOrthographicOffCenter(0,
Game1.DefaultGraphics.GraphicsDevice.Viewport.Width,
Game1.DefaultGraphics.GraphicsDevice.Viewport.Height, 0,
0, 1);
_basicEffect.DiffuseColor = BackgroundColor.ToVector3();
_basicEffect.Alpha = BackgroundAlpha;
// move to correct position
_basicEffect.World = Matrix.CreateTranslation(_position.X, _position.Y, 0);
}
