private List <VisVar> GetVisVarsFromProductionRules()
{
if (ProductionRules.Count == 0)
{
return(null);
}
foreach (var rule in ProductionRules)
{
if (ExpressoParser.ParseBoolExpression(this, rule.Conditional))
{
return(rule.VisVars);
}
}
return(ProductionRules.Last().VisVars);
}
private void UpdateViewForVisVar(VisVar visVar)
{
switch (visVar.Property)
{
case IATKProperty.X:
case IATKProperty.Y:
case IATKProperty.Z:
case IATKProperty.Colour:
case IATKProperty.Size:
DataAttribute dataAttribute = ExpressoParser.ParseExpression(VisualisationReference, visVar.Formula);
dataAttributes[visVar.Property] = dataAttribute;
break;
case IATKProperty.ScaleX:
float x = ExpressoParser.ParseFloatExpression(VisualisationReference, visVar.Formula);
geometry.transform.localScale = new Vector3(x, geometry.transform.localScale.y, geometry.transform.localScale.z);
break;
case IATKProperty.ScaleY:
float y = ExpressoParser.ParseFloatExpression(VisualisationReference, visVar.Formula);
geometry.transform.localScale = new Vector3(geometry.transform.localScale.x, y, geometry.transform.localScale.z);
break;
case IATKProperty.ScaleZ:
float z = ExpressoParser.ParseFloatExpression(VisualisationReference, visVar.Formula);
geometry.transform.localScale = new Vector3(geometry.transform.localScale.x, geometry.transform.localScale.y, z);
break;
case IATKProperty.Position:
Vector3?position = ExpressoParser.ParseVector3Expression(VisualisationReference, visVar.Formula);
if (position.HasValue)
{
geometry.transform.position = position.Value;
}
break;
case IATKProperty.Rotation:
Quaternion?rotation = ExpressoParser.ParseQuaternionExpression(VisualisationReference, visVar.Formula);
if (rotation.HasValue)
{
geometry.transform.rotation = rotation.Value;
}
break;
}
}
public int[] GenerateIndices()
{
dataAttributes.TryGetValue(IATKProperty.X, out DataAttribute xAttribute);
dataAttributes.TryGetValue(IATKProperty.Y, out DataAttribute yAttribute);
// Create our 2D list of points from x and y attributes
int numPoints = xAttribute.Length;
Vector2[] allPoints = new Vector2[numPoints];
for (int i = 0; i < numPoints; i++)
{
allPoints[i].x = xAttribute.Data[i];
allPoints[i].y = yAttribute.Data[i];
}
List <int> triangles = new List <int>();
// Get the attribute that we're grouping by
DataAttribute grouping = ExpressoParser.ParseExpression(VisualisationReference, VisualisationReference.Group);
DataAttribute piecing = ExpressoParser.ParseExpression(VisualisationReference, VisualisationReference.Piece);
int dataIdx = 0;
int vertexIdx = 0;
foreach (int group in grouping.ReverseLevels.Keys)
{
foreach (int piece in piecing.ReverseLevels.Keys)
{
// Create a smaller list of points just for this group
List <Vector2> pointsList = new List <Vector2>();
for (int i = dataIdx; i < numPoints; i++)
{
if (grouping.Data[i] != group || piecing.Data[i] != piece)
{
dataIdx = i;
break;
}
pointsList.Add(allPoints[i]);
}
if (pointsList.Count == 0)
{
continue;
}
Vector2[] points = pointsList.ToArray();
Triangulator triangulator = new Triangulator(points);
int[] tris = triangulator.Triangulate();
bool isClockwise = UtilMath.IsPointListClockwise(points);
// Front vertices
for (int i = 0; i < tris.Length; i += 3)
{
triangles.Add(vertexIdx + tris[i]);
triangles.Add(vertexIdx + tris[i + 1]);
triangles.Add(vertexIdx + tris[i + 2]);
}
// Back vertices
for (int i = 0; i < tris.Length; i += 3)
{
triangles.Add(numPoints + vertexIdx + tris[i + 2]);
triangles.Add(numPoints + vertexIdx + tris[i + 1]);
triangles.Add(numPoints + vertexIdx + tris[i]);
}
for (int i = 0; i < points.Length; i++)
{
int n = (i + 1) % points.Length;
triangles.Add(vertexIdx + n);
triangles.Add(vertexIdx + i + numPoints);
triangles.Add(vertexIdx + i);
triangles.Add(vertexIdx + n);
triangles.Add(vertexIdx + i + numPoints);
triangles.Add(vertexIdx + n + numPoints);
}
vertexIdx += pointsList.Count;
}
}
return(triangles.ToArray());
}