/// <summary>
/// Billboard blocks
/// </summary>
/// <param name="bbSet">We pass the bbset block, not the whole thingDefinition</param>
void ParseBillboard(BillboardSetBlock bbSet, RuleInstance block)
{
BillboardBlock billboardBlock = new BillboardBlock(bbSet);
for (int a = 2; a < block.Children.Length - 1; a++) {
RuleInstance rule = block.Children[a] as RuleInstance;
if (rule.Type == NodeType.Rule_Property)
ParseProperty(billboardBlock, rule.Children[0] as RuleInstance);
}
bbSet.BillboardBlocks.Add(billboardBlock);
}
/// <summary>
/// Make one billboard from each billboard block.
/// </summary>
void CreateBillboard(BillboardBlock block)
{
// make our billboard
Billboard bb = BillboardSet.CreateBillboard(block.GetVectorProperty("Position", null));
// set its color if it has one
Quaternion quat;
if (block.QuatTokens.TryGetValue("colour", out quat))
bb.Colour = quat.ToColourValue();
// and a rotation
bb.Rotation = new Degree(block.GetFloatProperty("Rotation", 0));
Quaternion rectQ;
if (block.QuatTokens.TryGetValue("texturecoords", out rectQ)) {
bb.SetTexcoordRect(rectQ.x, rectQ.y, rectQ.z, rectQ.w);
}
// it's best to not do this unless we really need to since it makes it less efficient
float height, width;
if (block.FloatTokens.TryGetValue("width", out width) && block.FloatTokens.TryGetValue("height", out height))
bb.SetDimensions(width, height);
}
