/// <summary>
/// Initialize a copy of the state
/// </summary>
/// <param name="copyFrom"></param>
public VoxelModelState(VoxelModelState copyFrom) : this()
{
_parentModel = copyFrom._parentModel;
Name = copyFrom.Name;
BoundingBox = copyFrom.BoundingBox;
for (int i = 0; i < _parentModel.Parts.Count; i++)
{
PartsStates.Add(new VoxelModelPartState(copyFrom.PartsStates[i]));
}
}
public VoxelModelInstance(VoxelModel model = null)
{
_rotation = Quaternion.Identity;
_headRotation = Quaternion.Identity;
World = Matrix.Identity;
_animationIndex = -1;
Alpha = 1;
LightColor = new Color3(1, 1, 1);
SetParentModel(model);
}
/// <summary>
/// This method should be used only on deserialization step to restore parent model relationship
/// </summary>
/// <param name="model"></param>
/// <exception cref="ArgumentNullException"></exception>
private void SetParentModel(VoxelModel model)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
VoxelModel = model;
// init the cached state, cached state should have the same structure as parent model states
SetState(model.GetMainState());
}
/// <summary>
/// Returns world matrix to draw the tool
/// </summary>
/// <returns></returns>
public Matrix GetToolTransform()
{
var armIndex = VoxelModel.GetArmIndex();
var arm = VoxelModel.GetArm();
if (armIndex == -1 || !arm.PalmTransform.HasValue)
{
return(Matrix.Identity);
}
// palmTransform value is stored only in the first state (which is returned by GetArm())
// so we can't use current state palmTrasform value
return(arm.PalmTransform.Value * State.PartsStates[armIndex].GetTransformation() * Matrix.RotationQuaternion(Rotation) * World);
}
public static VoxelModel GenerateTreeModel(int seed, TreeBluePrint blueprint, TreeLSystem treeSystem = null)
{
if (treeSystem == null)
{
treeSystem = new TreeLSystem();
}
var blocks = treeSystem.Generate(seed, new Vector3I(), blueprint);
var max = new Vector3I(int.MinValue);
var min = new Vector3I(int.MaxValue);
foreach (var blockWithPosition in blocks)
{
max = Vector3I.Max(max, blockWithPosition.WorldPosition);
min = Vector3I.Min(min, blockWithPosition.WorldPosition);
}
var size = max - min + Vector3I.One;
var model = new VoxelModel();
model.Name = "Tree Example";
model.ColorMapping = new ColorMapping();
model.ColorMapping.BlockColors = new Color4[64];
model.ColorMapping.BlockColors[0] = Color.Brown.ToColor4();
model.ColorMapping.BlockColors[1] = Color.Green.ToColor4();
var frame = new VoxelFrame(size);
foreach (var blockWithPosition in blocks)
{
frame.BlockData.SetBlock(blockWithPosition.WorldPosition - min, blockWithPosition.BlockId == blueprint.TrunkBlock ? (byte)1 : (byte)2);
}
model.Frames.Add(frame);
var part = new VoxelModelPart();
part.Name = "Main";
model.Parts.Add(part);
var state = new VoxelModelState(model);
state.Name = "Default";
state.PartsStates[0].Translation = new Vector3(min.X, 0, min.Z);
model.States.Add(state);
return(model);
}
public VoxelModelState(VoxelModel parentModel) : this()
{
ParentModel = parentModel;
}
/// <summary>
/// Call this method when the parent model has changed parts count (Editor use case)
/// </summary>
public void UpdateStates()
{
SetState(VoxelModel.GetMainState());
}