public void AddInstanceGroup(InstanceGroup Group)
{
Group.Initialize();
lock (InstanceTypes)
{
InstanceTypes[Group.Name] = Group;
}
}
private void Flush(
InstanceGroup Group,
GraphicsDevice Device,
Shader Effect,
Camera Camera,
RenderMode Mode)
{
if (InstanceBuffer == null)
{
InstanceBuffer = new DynamicVertexBuffer(Device, InstancedVertex.VertexDeclaration, InstanceQueueSize, BufferUsage.None);
}
Effect.EnableWind = Group.RenderData.EnableWind;
Device.RasterizerState = new RasterizerState {
CullMode = CullMode.None
};
if (Mode == RenderMode.Normal)
{
Effect.SetInstancedTechnique();
}
else
{
Effect.CurrentTechnique = Effect.Techniques[Shader.Technique.SelectionBufferInstanced];
}
Effect.EnableLighting = true;
Effect.VertexColorTint = Color.White;
if (Group.RenderData.Model.VertexBuffer == null || Group.RenderData.Model.IndexBuffer == null)
{
Group.RenderData.Model.ResetBuffer(Device);
}
bool hasIndex = Group.RenderData.Model.IndexBuffer != null;
Device.Indices = Group.RenderData.Model.IndexBuffer;
BlendState blendState = Device.BlendState;
Device.BlendState = Mode == RenderMode.Normal ? Group.RenderData.BlendMode : BlendState.Opaque;
Effect.MainTexture = Group.RenderData.Model.Texture;
Effect.LightRampTint = Color.White;
InstanceBuffer.SetData(Group.Instances, 0, Group.InstanceCount, SetDataOptions.Discard);
Device.SetVertexBuffers(Group.RenderData.Model.VertexBuffer, new VertexBufferBinding(
InstanceBuffer, 0, 1));
foreach (EffectPass pass in Effect.CurrentTechnique.Passes)
{
pass.Apply();
Device.DrawInstancedPrimitives(PrimitiveType.TriangleList, 0, 0,
Group.RenderData.Model.VertexCount, 0,
Group.RenderData.Model.Indexes.Length / 3,
Group.InstanceCount);
}
Effect.SetTexturedTechnique();
Effect.World = Matrix.Identity;
Device.BlendState = blendState;
Effect.EnableWind = false;
Group.InstanceCount = 0;
}
