public void testCopyToEdgeCases()
{
var source = new IndexData();
source.NumIndices = 6;
var target = new IndexData();
target.NumIndices = 6;
source.CopyTo(target, 1, 1, 0, 1);
Assert.IsTrue(target.UseQuadLayout);
source.CopyTo(target, 3, 0, 1, 1);
Assert.IsTrue(target.UseQuadLayout);
source.CopyTo(target, 1, 1, 0, 2);
Assert.IsTrue(target.UseQuadLayout);
source.CopyTo(target, 10, 5, 2, 2);
Assert.IsTrue(target.UseQuadLayout);
source.CopyTo(target, 13, 8, 1, 4);
Assert.IsTrue(target.UseQuadLayout);
source.CopyTo(target, 10, 3, 4, 1);
Assert.IsFalse(target.UseQuadLayout);
Assert.AreEqual(6, target.GetIndex(10));
}
public void testCopyToWithOffset()
{
var source = new IndexData();
source.AddTriangle(1, 2, 3);
source.AddTriangle(4, 5, 6);
var target = new IndexData();
target.AddTriangle(7, 8, 9);
source.CopyTo(target, 1, 10, 3, 3);
Assert.AreEqual(4, target.NumIndices);
Assert.AreEqual(7, target.GetIndex(0));
Assert.AreEqual(14, target.GetIndex(1));
Assert.AreEqual(15, target.GetIndex(2));
Assert.AreEqual(16, target.GetIndex(3));
}
/// <summary>
/// Copies the index data of the style's current target to the target of another style.
/// The given offset value will be added to all indices during the process.
///
/// <para>This method is used when batching meshes together for rendering. The parameter
/// <code>targetStyle</code> will point to the style of a <code>MeshBatch</code> (a
/// subclass of <code>Mesh</code>). Subclasses may override this method if they need
/// to modify the index data in that process.</para>
/// </summary>
public virtual void BatchIndexData(MeshStyle targetStyle, int targetIndexId = 0, int offset = 0,
int indexId = 0, int numIndices = -1)
{
_indexData.CopyTo(targetStyle._indexData, targetIndexId, offset, indexId, numIndices);
}
public void testCopyTo()
{
// arbitrary data -> arbitrary data
var source = new IndexData();
source.AddTriangle(1, 2, 3);
source.AddTriangle(4, 5, 6);
var target = new IndexData();
target.AddTriangle(7, 8, 9);
source.CopyTo(target, 0, 0, 3, 3);
Assert.AreEqual(3, target.NumIndices);
Assert.AreEqual(4, target.GetIndex(0));
Assert.AreEqual(5, target.GetIndex(1));
Assert.AreEqual(6, target.GetIndex(2));
source.CopyTo(target, 3);
Assert.AreEqual(9, target.NumIndices);
// quad data -> quad data
source.Clear();
target.Clear();
source.AddTriangle(0, 1, 2);
target.AddQuad(0, 1, 2, 3);
source.CopyTo(target, 6, 4);
Assert.IsTrue(target.UseQuadLayout);
Assert.AreEqual(9, target.NumIndices);
Assert.AreEqual(2, target.GetIndex(5));
Assert.AreEqual(4, target.GetIndex(6));
Assert.AreEqual(5, target.GetIndex(7));
Assert.AreEqual(6, target.GetIndex(8));
// quad data -> arbitrary data
target.Clear();
target.AddQuad(1, 2, 3, 4);
source.CopyTo(target, 6, 4);
Assert.IsTrue(source.UseQuadLayout);
Assert.IsFalse(target.UseQuadLayout);
Assert.AreEqual(9, target.NumIndices);
Assert.AreEqual(3, target.GetIndex(5));
Assert.AreEqual(4, target.GetIndex(6));
Assert.AreEqual(5, target.GetIndex(7));
Assert.AreEqual(6, target.GetIndex(8));
// arbitrary data -> quad data
source.Clear();
source.AddTriangle(1, 2, 3);
target.Clear();
target.AddQuad(0, 1, 2, 3);
source.CopyTo(target, 6, 4);
Assert.IsFalse(source.UseQuadLayout);
Assert.IsFalse(target.UseQuadLayout);
Assert.AreEqual(9, target.NumIndices);
Assert.AreEqual(2, target.GetIndex(5));
Assert.AreEqual(5, target.GetIndex(6));
Assert.AreEqual(6, target.GetIndex(7));
Assert.AreEqual(7, target.GetIndex(8));
}