/// <summary>
/// The draw.
/// </summary>
/// <param name="gameTime">
/// The gameTime.
/// </param>
public static void Draw(GameTime gameTime)
{
// draw this in the correct order so the scenes behind the topmost scene get drawn behind the topmost scene
foreach (Scene scene in GetVisibleScenes())
{
if (scene.TopMost)
{
game.GraphicsDevice.RenderState.AlphaBlendEnable = true;
game.GraphicsDevice.RenderState.SourceBlend = Blend.BothSourceAlpha;
game.GraphicsDevice.RenderState.DestinationBlend = Blend.DestinationColor;
ShaderManager.SetCurrentEffect(ShaderManager.EFFECT_ID.OVERLAY);
ShaderManager.GetCurrentEffectGraphicsDevice().VertexDeclaration = vd;
ShaderManager.SetCurrentTechnique("Overlay");
ShaderManager.Begin();
foreach (EffectPass pass in ShaderManager.GetEffectPasses())
{
pass.Begin();
ShaderManager.GetCurrentEffectGraphicsDevice().Vertices[0].SetSource(
vb, 0, VertexPositionColor.SizeInBytes);
ShaderManager.GetCurrentEffectGraphicsDevice().DrawPrimitives(PrimitiveType.TriangleStrip, 0, 2);
pass.End();
}
ShaderManager.End();
game.GraphicsDevice.RenderState.AlphaBlendEnable = false;
}
scene.Draw(gameTime);
}
}
/// <summary>
/// The draw physics vertices.
/// </summary>
public virtual void DrawPhysicsVertices()
{
if (Globals.displayState == DISPLAY_STATE.BOTH || Globals.displayState == DISPLAY_STATE.TWO_DIM)
{
// draw the 2d representation of the model
ShaderManager.AddEffect(ShaderManager.EFFECT_ID.SIMPLE, "SimpleEffect", this.Game);
VertexPositionColor[] verticesPC;
verticesPC = new VertexPositionColor[this.PhysicsGeometry.WorldVertices.Count + 1];
for (int i = 0; i < this.PhysicsGeometry.WorldVertices.Count; i++)
{
verticesPC[i] =
new VertexPositionColor(
new Vector3(this.PhysicsGeometry.WorldVertices[i], SceneManager.Z_POSITION), Color.Green);
}
verticesPC[this.PhysicsGeometry.WorldVertices.Count] =
new VertexPositionColor(
new Vector3(this.PhysicsGeometry.WorldVertices[0], SceneManager.Z_POSITION), Color.Green);
var vd = new VertexDeclaration(this.Game.GraphicsDevice, VertexPositionColor.VertexElements);
var VB = new VertexBuffer(
this.Game.GraphicsDevice,
VertexPositionColor.SizeInBytes * (this.PhysicsGeometry.WorldVertices.Count + 1),
BufferUsage.None);
VB.SetData(verticesPC);
ShaderManager.SetCurrentEffect(ShaderManager.EFFECT_ID.SIMPLE);
ShaderManager.SetValue("WVP", this.scene.Camera.View * this.scene.Camera.Perspective);
ShaderManager.SetValue("Color", Color.Black.ToVector4());
ShaderManager.SetCurrentTechnique("SimpleTechnique");
ShaderManager.GetCurrentEffectGraphicsDevice().VertexDeclaration = vd;
ShaderManager.Begin();
foreach (EffectPass pass in ShaderManager.GetEffectPasses())
{
pass.Begin();
ShaderManager.GetCurrentEffectGraphicsDevice().Vertices[0].SetSource(
VB, 0, VertexPositionColor.SizeInBytes);
ShaderManager.GetCurrentEffectGraphicsDevice().DrawPrimitives(
PrimitiveType.LineStrip, 0, this.PhysicsGeometry.WorldVertices.Count);
pass.End();
}
ShaderManager.End();
}
}
/// <summary>
/// The draw.
/// </summary>
/// <param name="gameTime">
/// The game time.
/// </param>
/// <exception cref="ArgumentNullException">
/// </exception>
public override void Draw(GameTime gameTime)
{
if (this.HeaderText == null)
{
throw new ArgumentNullException("HeaderText should not be null");
}
if (this.BodyText == null)
{
throw new ArgumentNullException("BodyText should not be null");
}
if (this.TextBoxSize == null)
{
throw new ArgumentNullException("TextBoxSize should not be null");
}
// draw the texture
ShaderManager.SetCurrentEffect(ShaderManager.EFFECT_ID.TEXTURE);
ShaderManager.SetValue("World", Matrix.CreateTranslation(this.Position3D));
ShaderManager.SetValue("View", this.scene.Camera.View);
ShaderManager.SetValue("Projection", this.scene.Camera.Perspective);
ShaderManager.SetValue("tex", this.TextTexture);
ShaderManager.CommitChanges();
ShaderManager.Begin();
ShaderManager.GetCurrentEffect().Techniques["TextureTechnique"].Passes[0].Begin();
this.GraphicsDevice.VertexDeclaration = TextureSpriteVertexDeclaration;
this.GraphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleStrip, this.textSprite, 0, 2);
ShaderManager.GetCurrentEffect().Techniques["TextureTechnique"].Passes[0].End();
ShaderManager.End();
this.DrawPhysicsVertices();
}
/// <summary>
/// The draw.
/// </summary>
public void Draw()
{
if (this.Backgrounds == null || this.Backgrounds.Length == 0)
{
return;
}
var spriteBatch = (SpriteBatch)this.scene.Game.Services.GetService(typeof(SpriteBatch));
spriteBatch.Begin(SpriteBlendMode.AlphaBlend, SpriteSortMode.Immediate, SaveStateMode.SaveState);
// using a pixelshader with spritebatch - http://msdn.microsoft.com/en-us/library/bb313868.aspx
ShaderManager.SetCurrentEffect(ShaderManager.EFFECT_ID.BACKGROUND);
ShaderManager.Begin();
ShaderManager.GetCurrentEffect().CurrentTechnique.Passes[0].Begin();
var p = new Plane(-Vector3.UnitZ, -10.0f);
foreach (BackgroundLayer backgroundLayer in this.Backgrounds)
{
if (backgroundLayer.Image == null)
{
continue;
}
Ray leftRay = this.scene.Camera.Unproject(0, this.scene.Game.GraphicsDevice.Viewport.Height / 2);
Vector3?left3D = leftRay.IntersectsAt(p);
float left = left3D.HasValue ? left3D.Value.X : this.min;
Ray rightRay = this.scene.Camera.Unproject(
this.scene.Game.GraphicsDevice.Viewport.Width - 1, this.scene.Game.GraphicsDevice.Viewport.Height / 2);
Vector3?right3D = rightRay.IntersectsAt(p);
float right = right3D.HasValue ? right3D.Value.X : this.max;
float offset = -((Hero.GetHeroPosition().X - this.min) * backgroundLayer.ScrollSpeed * 0.02f) %
backgroundLayer.Image.Width;
float imgWidth = backgroundLayer.Image.Width * backgroundLayer.WidthBias;
float screenLeft = this.min - backgroundLayer.Image.Width;
int num = (int)((left - screenLeft) / imgWidth);
left = screenLeft + (num * imgWidth);
num = (int)(((right - left - offset) / imgWidth) + 2);
int?prevRightX = null;
for (int i = 0; i < num; i++)
{
float imgLeft = left + offset + i * imgWidth;
float imgRight = imgLeft + imgWidth;
var scrLeft = this.scene.Camera.Project(new Vector3(imgLeft, 0, -10));
var scrRight = this.scene.Camera.Project(new Vector3(imgRight, 0, -10));
Rectangle destRect = new Rectangle(
prevRightX ?? (int)scrLeft.X,
0,
(int)(scrRight.X - scrLeft.X),
this.scene.Game.GraphicsDevice.Viewport.Height - 1);
spriteBatch.Draw(backgroundLayer.Image, destRect, Color.White);
prevRightX = destRect.X + destRect.Width - 1;
}
}
spriteBatch.End();
ShaderManager.GetCurrentEffect().CurrentTechnique.Passes[0].End();
ShaderManager.End();
}
