private static void UpdateDecalPositions(InstancingId id, List <MyCubeInstanceData> instanceData, List <MyCubeInstanceDecalData> decals)
{
m_tmpDecalsUpdate.Clear();
for (int it1 = 0; it1 < decals.Count; it1++)
{
MyCubeInstanceDecalData decal = decals[it1];
MyCubeInstanceData cubeData = instanceData[decal.InstanceIndex];
if (!cubeData.EnableSkinning)
{
break;
}
MyDecalTopoData decalTopo;
bool found = MyScreenDecals.GetDecalTopoData(decal.DecalId, out decalTopo);
if (!found)
{
continue;
}
Matrix localCubeMatrix;
Matrix skinningMatrix = cubeData.ConstructDeformedCubeInstanceMatrix(ref decalTopo.BoneIndices, ref decalTopo.BoneWeights, out localCubeMatrix);
Matrix localCubeMatrixInv;
Matrix.Invert(ref localCubeMatrix, out localCubeMatrixInv);
// TODO: Optimization: it would be cool if we keep original cube coordiates local intersection
// and avoid matrix inversion here. Refer to MyCubeGrid.GetIntersectionWithLine(), MyCubeGridHitInfo
Matrix invBinding = decalTopo.MatrixBinding * localCubeMatrixInv;
Matrix transform = invBinding * skinningMatrix;
m_tmpDecalsUpdate.Add(new MyDecalPositionUpdate()
{
ID = decal.DecalId, Transform = transform
});
}
MyScreenDecals.UpdateDecals(m_tmpDecalsUpdate);
}
// TODO: this parameter won't be optional
public void AddInstance(ModelId model, MatrixD matrix, ref MatrixD invGridWorldMatrix, Vector4 colorMaskHsv = default(Vector4), Vector3UByte[] bones = null, float gridSize = 1f)
{
Matrix localMatrix = (Matrix)(matrix * invGridWorldMatrix);
MyBuilderInstanceData builderInstanceData;
if (!m_instanceParts.TryGetValue(model, out builderInstanceData))
{
builderInstanceData = new MyBuilderInstanceData();
builderInstanceData.Model = model;
m_instanceParts.Add(model, builderInstanceData);
}
if (bones == null)
{
builderInstanceData.InstanceData.Add(new MyCubeInstanceData()
{
ColorMaskHSV = new Vector4(MyPlayer.SelectedColor, 0),
EnableSkinning = false,
LocalMatrix = localMatrix
});
}
else
{
var cubeInstance = new MyCubeInstanceData()
{
ColorMaskHSV = new Vector4(MyPlayer.SelectedColor, 0),
EnableSkinning = true,
LocalMatrix = localMatrix,
};
cubeInstance.BoneRange = gridSize;
for (int i = 0; i < 9; i++)
{
cubeInstance[i] = bones[i];
}
builderInstanceData.InstanceData.Add(cubeInstance);
}
m_cubeBuilderAABB = m_cubeBuilderAABB.Include(
new BoundingBox(new Vector3(-MyDefinitionManager.Static.GetCubeSize(MyCubeSize.Large)),
new Vector3(MyDefinitionManager.Static.GetCubeSize(MyCubeSize.Large))).Transform(localMatrix));
}
/// <summary>
/// Adds instance of the given model and returns its internal id which can be used for removing the instance. Local matrix specified will be changed to internal packed matrix.
/// </summary>
/// <param name="model"></param>
/// <param name="localMatrix">Local transformation matrix. Changed to internal matrix.</param>
/// <param name="colorMaskHsv"></param>
public uint AddInstance(ModelId model, ref Matrix localMatrix, BoundingBox localAabb, Vector4 colorMaskHsv = default(Vector4))
{
MyModelInstanceData builderInstanceData;
if (!m_instanceParts.TryGetValue(model, out builderInstanceData))
{
builderInstanceData = new MyModelInstanceData(m_instanceFlags, m_maxViewDistance);
builderInstanceData.Model = model;
m_instanceParts.Add(model, builderInstanceData);
}
uint instanceId = m_idCounter++;
var instanceData = new MyCubeInstanceData()
{
ColorMaskHSV = colorMaskHsv,
EnableSkinning = false,
LocalMatrix = localMatrix
};
instanceData.SetColorMaskHSV(colorMaskHsv);
builderInstanceData.InstanceData.Add(instanceId, instanceData);
// Matrix has been changed due to packing.
localMatrix = builderInstanceData.InstanceData[instanceId].LocalMatrix;
m_AABB = m_AABB.Include(localAabb.Transform(localMatrix));
return instanceId;
}