/// <summary>
/// Init Primitive Collection
/// </summary>
/// <param name="count"></param>
/// <param name="gd"></param>
/// <param name="primitive"></param>
/// <param name="service"></param>
/// <param name="path"></param>
public void Init(int count, GraphicsDevice gd, Primitive primitive, IServiceProvider service, string path)
{
// Check Shader Model 3.0 Support
GraphicsDeviceCapabilities gdcap = gd.GraphicsDeviceCapabilities;
if (gdcap.MaxPixelShaderProfile < ShaderProfile.PS_3_0 || gdcap.MaxVertexShaderProfile < ShaderProfile.VS_3_0)
{
isshadermodel3 = false;
MessageBox.Show("This GraphicsDevice Does Not Support Shader Model 3.0.", "Warning !");
}
else
{
isshadermodel3 = true;
}
if (count <= 0)
{
MessageBox.Show("Collection Number <= 0, Automatically Set To One !");
count = 1;
}
if (PrimitiveInstance == null)
{
PrimitiveInstance = primitive.Clone() as Primitive;
}
InstancePara = new vsBasePara[count];
InstanceMatrix = new Matrix[count];
for (int i = 0; i < count; i++)
{
InstancePara[i] = PrimitiveInstance.BasePara;
}
// Randomize Center and Speed of Primitive Instances
var center = Random.RandomPosition(InstancePara.Length);
var speed = Random.RandomPosition(InstancePara.Length);
for (int i = 0; i < InstancePara.Length; i++)
{
center[i].X = center[i].X * (PrimitiveInstance.BasePara.space / 2) * (float)Math.Sin(Math.PI / 4);
center[i].Y = center[i].Y * (PrimitiveInstance.BasePara.space / 2) * (float)Math.Sin(Math.PI / 4);
center[i].Z = 0;
speed[i].X = speed[i].X * 0.5f;
speed[i].Y = speed[i].Y * 0.5f;
speed[i].Z = 0;
InstancePara[i].center = center[i] + Para.CollectionCenter;
InstancePara[i].speed3D = speed[i] + Para.CollectionSpeed;
InstanceMatrix[i] = VisionStimulus.GetOri3DMatrix(InstancePara[i].orientation3D) * Matrix.CreateTranslation(InstancePara[i].center);
}
// Load Hardware Instancing Shader
PrimitiveInstance.contentManager = new ContentManager(service, path);
try
{
hiEffect = PrimitiveInstance.contentManager.Load <Effect>("HardwareInstancing");
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error !");
}
hiEffect.Parameters["View"].SetValue(PrimitiveInstance.ViewMatrix);
hiEffect.Parameters["Projection"].SetValue(PrimitiveInstance.ProjectionMatrix);
PrimitiveInstance.vertexDeclaration = InstancingVDec(gd);
ptype = PrimitiveInstance.BasePara.primitivetype;
vexn = PrimitiveInstance.VertexArray.Length;
pcount = VisionStimulus.CheckPrimitiveCount(ptype, PrimitiveInstance.IndexArray.Length, PrimitiveInstance.IndexArray.Length);
InstanceDataStream = new DynamicVertexBuffer(gd, SLConstant.SizeOfMatrix * InstanceMatrix.Length, BufferUsage.WriteOnly);
}
/// <summary>
/// Optimized Batch Draw
/// </summary>
/// <param name="gd"></param>
public virtual void BatchDraw(GraphicsDevice gd)
{
switch (Collection[0].VSType)
{
case VSType.Bar:
case VSType.Primitive:
PrimitiveType ptype = Collection[0].BasePara.primitivetype;
int vexn = Collection[0].VertexArray.Length;
int pcount = VisionStimulus.CheckPrimitiveCount(ptype, Collection[0].IndexArray.Length, Collection[0].IndexArray.Length);
gd.VertexDeclaration = Collection[0].vertexDeclaration;
gd.Vertices[0].SetSource(Collection[0].vertexBuffer, 0, VertexPositionColor.SizeInBytes);
gd.Indices = Collection[0].indexBuffer;
gd.RenderState.CullMode = CullMode.None;
// Begin Draw
Collection[0].basicEffect.Begin();
Collection[0].basicEffect.CurrentTechnique.Passes[0].Begin();
for (int i = 0; i < Collection.Count; i++)
{
if (Collection[i].Visible)
{
Collection[0].basicEffect.World = Collection[i].Ori3DMatrix * Collection[i].WorldMatrix;
Collection[0].basicEffect.CommitChanges();
gd.DrawIndexedPrimitives(ptype, 0, 0, vexn, 0, pcount);
}
}
Collection[0].basicEffect.CurrentTechnique.Passes[0].End();
Collection[0].basicEffect.End();
break;
case VSType.Grating:
ptype = Collection[0].BasePara.primitivetype;
vexn = Collection[0].VertexArray.Length;
pcount = VisionStimulus.CheckPrimitiveCount(ptype, Collection[0].IndexArray.Length, Collection[0].IndexArray.Length);
gd.VertexDeclaration = Collection[0].vertexDeclaration;
gd.Vertices[0].SetSource(Collection[0].vertexBuffer, 0, VertexPositionColor.SizeInBytes);
gd.Indices = Collection[0].indexBuffer;
gd.RenderState.CullMode = CullMode.None;
Grating grating = Collection[0] as Grating;
// Begin Draw
grating.gratingeffect.Begin();
grating.gratingeffect.CurrentTechnique.Passes[0].Begin();
for (int i = 0; i < Collection.Count; i++)
{
if (Collection[i].Visible)
{
grating.eWorld.SetValue(Collection[i].Ori3DMatrix * Collection[i].WorldMatrix);
grating.gratingeffect.CommitChanges();
gd.DrawIndexedPrimitives(ptype, 0, 0, vexn, 0, pcount);
}
}
grating.gratingeffect.CurrentTechnique.Passes[0].End();
grating.gratingeffect.End();
break;
case VSType.Image:
Vector3 Center;
float unitFactor = Collection[0].unitFactor;
Image image = Collection[0] as Image;
// Begin Draw
image.spriteBatch.Begin();
for (int i = 0; i < Collection.Count; i++)
{
if (Collection[i].Visible)
{
Center = Collection[i].Center;
image.spriteBatch.Draw(image.texture, new Vector2(Center.X * unitFactor + gd.Viewport.Width / 2 - image.texture.Width / 2, gd.Viewport.Height / 2 - Center.Y * unitFactor - image.texture.Height / 2), Collection[i].BasePara.color);
}
}
image.spriteBatch.End();
break;
case VSType.SLModel:
SLModel model = Collection[0] as SLModel;
foreach (ModelMesh mesh in model.Model.Meshes)
{
for (int i = 0; i < Collection.Count; i++)
{
if (Collection[i].Visible)
{
foreach (BasicEffect effect in mesh.Effects)
{
effect.EnableDefaultLighting();
effect.GraphicsDevice.RenderState.DepthBufferEnable = true;
effect.World = Collection[i].Ori3DMatrix * model.BoneTransforms[mesh.ParentBone.Index] * Collection[i].WorldMatrix;
effect.View = model.ViewMatrix;
effect.Projection = model.ProjectionMatrix;
}
mesh.Draw();
}
}
}
break;
case VSType.SLQuad:
SLQuad quad = Collection[0] as SLQuad;
ptype = Collection[0].BasePara.primitivetype;
vexn = quad.Para.vertices.Length;
pcount = VisionStimulus.CheckPrimitiveCount(ptype, Collection[0].IndexArray.Length, Collection[0].IndexArray.Length);
gd.VertexDeclaration = quad.vertexDeclaration;
gd.Vertices[0].SetSource(quad.vertexBuffer, 0, VertexPositionNormalTexture.SizeInBytes);
gd.Indices = quad.indexBuffer;
gd.RenderState.CullMode = CullMode.None;
gd.RenderState.AlphaBlendEnable = true;
gd.RenderState.AlphaTestEnable = true;
gd.RenderState.AlphaFunction = CompareFunction.Greater;
// Begin Draw
quad.basicEffect.Begin();
quad.basicEffect.CurrentTechnique.Passes[0].Begin();
for (int i = 0; i < Collection.Count; i++)
{
if (Collection[i].Visible)
{
quad.basicEffect.World = Collection[i].Ori3DMatrix * Collection[i].WorldMatrix;
quad.basicEffect.CommitChanges();
gd.DrawIndexedPrimitives(ptype, 0, 0, vexn, 0, pcount);
}
}
quad.basicEffect.CurrentTechnique.Passes[0].End();
quad.basicEffect.End();
break;
case VSType.SLVideo:
SLVideo video = Collection[0] as SLVideo;
unitFactor = Collection[0].unitFactor;
// Begin Draw
video.spriteBatch.Begin();
for (int i = 0; i < Collection.Count; i++)
{
if (Collection[i].Visible)
{
Center = Collection[i].Center;
if (video.MediaState == MediaState.Stopped)
{
video.Play();
}
if (video.MediaState != MediaState.Stopped)
{
video.texture = video.Player.GetTexture();
}
if (video.texture != null)
{
video.spriteBatch.Draw(video.texture, new Vector2(Center.X * unitFactor + gd.Viewport.Width / 2 - video.texture.Width / 2, gd.Viewport.Height / 2 - Center.Y * unitFactor - video.texture.Height / 2), Collection[i].BasePara.color);
}
}
}
video.spriteBatch.End();
break;
case VSType.Text:
Text text = Collection[0] as Text;
Vector2 size = text.spriteFont.MeasureString(SLConstant.Help);
unitFactor = Collection[0].unitFactor;
// Begin Draw
text.spriteBatch.Begin();
for (int i = 0; i < Collection.Count; i++)
{
if (Collection[i].Visible)
{
Center = Collection[i].Center;
text.spriteBatch.DrawString(text.spriteFont, SLConstant.Help, new Vector2(Center.X * unitFactor + gd.Viewport.Width / 2 - size.X / 2, gd.Viewport.Height / 2 - Center.Y * unitFactor - size.Y / 2), Collection[i].BasePara.color);
}
}
text.spriteBatch.End();
break;
}
}