/// <summary>
/// Sets the model that this object was instanced from
/// </summary>
public ModelInstance( Model source )
{
m_Source = source;
// Set up the animation layers
if ( source.Animations == null )
{
return;
}
m_Layers = new AnimationLayer[ ( int )ModelPart.NumParts ];
for ( int layerIndex = 0; layerIndex < ( int )ModelPart.NumParts; ++layerIndex )
{
m_ReferencePoints[ layerIndex ] = new ReferencePoint( ( ModelPart )layerIndex );
ModelMesh partMesh = source.GetPartMesh( ( ModelPart )layerIndex );
if ( partMesh == null )
{
continue;
}
if ( source.Animations != null )
{
// TODO: This assigns the entire animation set to each layer, which isn't correct (although it'll work OK)
m_Layers[ layerIndex ] = new AnimationLayer( source.Animations, ( ModelPart )layerIndex );
}
}
}
/// <summary>
/// Renders the model with a particular set of animation layers
/// </summary>
public void Render( IRenderContext context, AnimationLayer[] layers, ModelInstance.ReferencePoint[] refPoints )
{
if ( m_RaiseRootMeshToFloor )
{
ModelMesh.FrameInfo frame = m_RootMesh.GetAnimationFrame( layers );
Graphics.Renderer.Translate( TransformType.LocalToWorld, 0, -frame.MinBounds.Y, 0 );
}
m_RootMesh.Render( context, layers, refPoints );
}
/// <summary>
/// Renders this mesh using the given context and animation setup
/// </summary>
public void Render( IRenderContext context, AnimationLayer[] layers, ModelInstance.ReferencePoint[] refPoints )
{
// Determine the current animation frame
int currentFrame = DefaultFrame;
if ( layers != null )
{
currentFrame = ( layers[ ( int )Part ].CurrentAnimationFrame );
}
// DrawMeshBounds( layers );
// Assign texture sampler parameters
// TODO: This should be part of the render technique
ITexture2d lastTexture = null;
for ( int surfaceIndex = 0; surfaceIndex < m_Surfaces.Length; ++surfaceIndex )
{
Surface curSurface = m_Surfaces[ surfaceIndex ];
if ( curSurface.Texture != lastTexture )
{
if ( lastTexture != null )
{
Graphics.Renderer.UnbindTexture( lastTexture );
}
Graphics.Renderer.BindTexture( curSurface.Texture );
lastTexture = curSurface.Texture;
}
if ( m_TextureParameter != null )
{
m_TextureParameter.Set( curSurface.Texture );
}
m_SurfaceRenderer.CurrentSurface = curSurface;
m_SurfaceRenderer.CurrentFrame = curSurface.SurfaceFrames[ currentFrame ];
m_Technique.Apply( context, m_SurfaceRenderer );
}
if ( lastTexture != null )
{
Graphics.Renderer.UnbindTexture( lastTexture );
}
foreach ( NestedPart nestedPart in m_NestedParts )
{
FrameInfo curFrame = FrameInfoList[ currentFrame ];
Tag transformTag = curFrame.Tags[ nestedPart.m_TransformTagIndex ];
Matrix44 transform = transformTag.Transform;
Graphics.Renderer.PushTransform( TransformType.LocalToWorld, transform );
ModelMesh nestedMesh = m_Model.GetPartMesh( nestedPart.m_Part );
if ( nestedMesh != null )
{
nestedMesh.Render( context, layers, refPoints );
}
ModelInstance.ReferencePoint refPt = refPoints[ ( int )nestedPart.m_Part ];
if ( refPt != null )
{
refPt.Render( context );
}
Graphics.Renderer.PopTransform( TransformType.LocalToWorld );
}
}
/// <summary>
/// Gets information about the current animation frame
/// </summary>
/// <param name="layers">Animation layers</param>
/// <returns>Returns frame information for the current animation frame</returns>
public FrameInfo GetAnimationFrame( AnimationLayer[] layers )
{
int index = ( layers == null ) ? DefaultFrame : layers[ ( int )Part ].CurrentAnimationFrame;
return FrameInfoList[ index ];
}
/// <summary>
/// Debug routing for drawing the bounds of this mesh
/// </summary>
/// <param name="layers">Animation layer set</param>
public void DrawMeshBounds( AnimationLayer[] layers )
{
FrameInfo frame = GetAnimationFrame( layers );
Graphics.Draw.AlignedBox( m_BoundsDraw, frame.MinBounds, frame.MaxBounds );
}
/// <summary>
/// Adds an animation layer to the control
/// </summary>
public void AddLayer( AnimationLayer layer )
{
m_Layers.Add( layer );
}