public override void Draw(RenderContext context)
{
// Clear previous model groups
foreach (var modelGroup in ModelGroups)
{
modelGroup.Clear();
}
ModelGroups.Clear();
var groupMaskUsed = EntityGroupMask.None;
// Collect models for this frame, and dispatch them to list of group
foreach (var matchingEntity in enabledEntities)
{
var item = matchingEntity.Value;
var renderModel = item.RenderModel;
// Skip disabled model components, or model components without a proper model set
if (!renderModel.Update())
{
continue;
}
// Add the render model to the specified collection group
var groupIndex = (int)matchingEntity.Key.Group;
groupMaskUsed |= (EntityGroupMask)(1 << groupIndex);
var modelCollection = allModelGroups[groupIndex];
modelCollection.Add(renderModel);
Vector3 scale, translation;
Matrix rotation;
bool isScalingNegative = false;
if (item.TransformComponent.WorldMatrix.Decompose(out scale, out rotation, out translation))
{
isScalingNegative = scale.X * scale.Y * scale.Z < 0.0f;
}
item.ModelComponent.Update(ref item.TransformComponent.WorldMatrix, isScalingNegative);
if (item.Links != null)
{
var modelViewHierarchy = item.ModelComponent.ModelViewHierarchy;
// Update links: transfer node/bone transformation to a specific entity transformation
// Then update this entity transformation tree
// TODO: Ideally, we should order update (matchingEntities?) to avoid updating a ModelViewHierarchy before its transformation is updated.
foreach (var link in item.Links)
{
var linkTransformation = link.Entity.Transform;
Matrix linkedLocalMatrix;
TransformComponent.CreateMatrixTRS(ref linkTransformation.Position, ref linkTransformation.Rotation, ref linkTransformation.Scale, out linkedLocalMatrix);
Matrix.Multiply(ref linkedLocalMatrix, ref modelViewHierarchy.NodeTransformations[link.NodeIndex].WorldMatrix, out linkTransformation.LocalMatrix);
linkTransformationToUpdate.Clear();
linkTransformationToUpdate.Add(linkTransformation);
TransformProcessor.UpdateTransformations(linkTransformationToUpdate, false);
}
}
}
// Collect model groups
for (int groupIndex = 0, groupMask = (int)groupMaskUsed; groupMask != 0; groupMask = groupMask >> 1, groupIndex++)
{
if ((groupMask & 1) == 0)
{
continue;
}
var modelGroup = allModelGroups[groupIndex];
ModelGroups.Add(modelGroup);
}
}
public override void Draw(RenderContext context)
{
// Clear previous model groups
foreach (var modelGroup in ModelGroups)
{
modelGroup.Clear();
}
ModelGroups.Clear();
var groupMaskUsed = EntityGroupMask.None;
// Collect models for this frame, and dispatch them to list of group
foreach (var matchingEntity in enabledEntities)
{
var renderModel = matchingEntity.Value;
// Skip disabled model components, or model components without a proper model set
if (!renderModel.ModelComponent.Enabled || renderModel.ModelComponent.ModelViewHierarchy == null || renderModel.ModelComponent.Model == null)
{
continue;
}
// Update the group in case it changed
renderModel.Update();
// Add the render model to the specified collection group
var groupIndex = (int)renderModel.Group;
groupMaskUsed |= (EntityGroupMask)(1 << groupIndex);
var modelCollection = allModelGroups[groupIndex];
modelCollection.Add(renderModel);
var modelComponent = renderModel.ModelComponent;
var modelViewHierarchy = renderModel.ModelComponent.ModelViewHierarchy;
var transformationComponent = renderModel.TransformComponent;
var links = renderModel.Links;
modelComponent.Update(ref transformationComponent.WorldMatrix);
if (links != null)
{
// Update links: transfer node/bone transformation to a specific entity transformation
// Then update this entity transformation tree
// TODO: Ideally, we should order update (matchingEntities?) to avoid updating a ModelViewHierarchy before its transformation is updated.
foreach (var link in renderModel.Links)
{
var linkTransformation = link.Entity.Transform;
Matrix linkedLocalMatrix;
TransformComponent.CreateMatrixTRS(ref linkTransformation.Position, ref linkTransformation.Rotation, ref linkTransformation.Scale, out linkedLocalMatrix);
Matrix.Multiply(ref linkedLocalMatrix, ref modelViewHierarchy.NodeTransformations[link.NodeIndex].WorldMatrix, out linkTransformation.LocalMatrix);
linkTransformationToUpdate.Clear();
linkTransformationToUpdate.Add(linkTransformation);
TransformProcessor.UpdateTransformations(linkTransformationToUpdate, false);
}
}
// TODO: World update and skinning is now perform at ModelComponentRenderer time. Check if we can find a better place to do this.
//// Upload matrices to TransformationKeys.World
//modelViewHierarchy.UpdateToRenderModel(renderModel);
//// Upload skinning blend matrices
//MeshSkinningUpdater.Update(modelViewHierarchy, renderModel);
}
// Collect model groups
for (int groupIndex = 0, groupMask = (int)groupMaskUsed; groupMask != 0; groupMask = groupMask >> 1, groupIndex++)
{
if ((groupMask & 1) == 0)
{
continue;
}
var modelGroup = allModelGroups[groupIndex];
ModelGroups.Add(modelGroup);
}
}