/// <summary>
/// Updates the parent <see cref="SkeletonAnimation"/> that this modifier modifies.
/// </summary>
/// <param name="src">Source root <see cref="SkeletonNode"/>.</param>
/// <param name="dest">Destination root <see cref="SkeletonNode"/>.</param>
static void RecursiveUpdateParent(SkeletonNode src, SkeletonNode dest)
{
// Update modified values
if (src.IsModifier && dest.Parent != null)
{
dest.SetAngle(src.GetAngle());
}
// Update the child nodes (if there is any)
for (var i = 0; i < src.internalNodes.Count; i++)
{
RecursiveUpdateParent(src.internalNodes[i], dest.internalNodes[i]);
}
}
/// <summary>
/// Draws the <see cref="SkeletonBodyItem"/>.
/// </summary>
/// <param name="sb"><see cref="ISpriteBatch"/> to draw to.</param>
/// <param name="position">Position to draw at.</param>
/// <param name="scale">Amount to scale the Grh in percent (1.0f for no scaling).</param>
/// <param name="color">The color.</param>
/// <param name="effect">SpriteEffects to use when drawing.</param>
internal void Draw(ISpriteBatch sb, Vector2 position, float scale, Color color, SpriteEffects effect)
{
// Validate
if (Source == null)
{
return;
}
// Find the effect
Vector2 m;
switch (effect)
{
case SpriteEffects.FlipHorizontally:
m = new Vector2(-1, 1);
break;
case SpriteEffects.FlipVertically:
m = new Vector2(1, -1);
break;
default:
m = new Vector2(1, 1);
break;
}
// Calculate the angle
float angle;
if (Dest == null)
{
angle = 0.0f;
}
else
{
angle = SkeletonNode.GetAngle(Source.Position * m, Dest.Position * m) - MathHelper.PiOver2;
}
// Draw
var v = Source.Position + ItemInfo.Offset;
Grh.Draw(sb, (v * m) + position, color, effect, angle, ItemInfo.Origin, scale);
}
/// <summary>
/// Recursively updates all the children of a node.
/// </summary>
/// <param name="srcA">Source skeleton node for the current frame.</param>
/// <param name="srcB">Source skeleton node for the next frame.</param>
/// <param name="srcP">Parent skeleton node (use null if theres no parent).</param>
/// <param name="dest">Destination skeleton node to have the two sources applied to.</param>
/// <param name="framePercent">A value between 0.0 and 1.0 stating how far along the animation is
/// from the current frame.</param>
void RecursiveUpdate(SkeletonNode srcA, SkeletonNode srcB, SkeletonNode srcP, SkeletonNode dest, float framePercent)
{
// Set the position
Vector2 vA;
Vector2 vB;
if (_scale == 1.0f)
{
vA = srcA.Position;
vB = srcB.Position;
}
else
{
vA = srcA.Position * _scale;
vB = srcB.Position * _scale;
}
dest.Position = Vector2.Lerp(vA, vB, framePercent);
// Check if the node is part of a modifier animation
if (srcP == null)
{
// Set the length
dest.SetLength(srcA.GetLength() * _scale);
}
else
{
// This is a modifier so check for inheriting node values
dest.SetLength(srcP.GetLength());
if (!srcP.IsModifier && srcP.Parent != null)
{
dest.SetAngle(srcP.GetAngle());
}
}
// Update the child nodes (if there is any)
for (var i = 0; i < srcA.internalNodes.Count; i++)
{
var nextSrcP = (srcP == null ? null : srcP.internalNodes[i]);
RecursiveUpdate(srcA.internalNodes[i], srcB.internalNodes[i], nextSrcP, dest.internalNodes[i], framePercent);
}
}
/// <summary>
/// Updates the parent <see cref="SkeletonAnimation"/> that this modifier modifies.
/// </summary>
/// <param name="src">Source root <see cref="SkeletonNode"/>.</param>
/// <param name="dest">Destination root <see cref="SkeletonNode"/>.</param>
static void RecursiveUpdateParent(SkeletonNode src, SkeletonNode dest)
{
// Update modified values
if (src.IsModifier && dest.Parent != null)
dest.SetAngle(src.GetAngle());
// Update the child nodes (if there is any)
for (var i = 0; i < src.internalNodes.Count; i++)
{
RecursiveUpdateParent(src.internalNodes[i], dest.internalNodes[i]);
}
}
/// <summary>
/// Recursively updates all the children of a node.
/// </summary>
/// <param name="srcA">Source skeleton node for the current frame.</param>
/// <param name="srcB">Source skeleton node for the next frame.</param>
/// <param name="srcP">Parent skeleton node (use null if theres no parent).</param>
/// <param name="dest">Destination skeleton node to have the two sources applied to.</param>
/// <param name="framePercent">A value between 0.0 and 1.0 stating how far along the animation is
/// from the current frame.</param>
void RecursiveUpdate(SkeletonNode srcA, SkeletonNode srcB, SkeletonNode srcP, SkeletonNode dest, float framePercent)
{
// Set the position
Vector2 vA;
Vector2 vB;
if (_scale == 1.0f)
{
vA = srcA.Position;
vB = srcB.Position;
}
else
{
vA = srcA.Position * _scale;
vB = srcB.Position * _scale;
}
dest.Position = Vector2.Lerp(vA, vB, framePercent);
// Check if the node is part of a modifier animation
if (srcP == null)
{
// Set the length
dest.SetLength(srcA.GetLength() * _scale);
}
else
{
// This is a modifier so check for inheriting node values
dest.SetLength(srcP.GetLength());
if (!srcP.IsModifier && srcP.Parent != null)
dest.SetAngle(srcP.GetAngle());
}
// Update the child nodes (if there is any)
for (var i = 0; i < srcA.internalNodes.Count; i++)
{
var nextSrcP = (srcP == null ? null : srcP.internalNodes[i]);
RecursiveUpdate(srcA.internalNodes[i], srcB.internalNodes[i], nextSrcP, dest.internalNodes[i], framePercent);
}
}
