public override ActorComponent MakeInstance(Actor resetActor)
{
GameActorImage instanceNode = new GameActorImage();
instanceNode.Copy(this, resetActor);
return(instanceNode);
}
public void Render(Renderer2D renderer)
{
foreach (ActorImage actorImage in ImageNodes)
{
GameActorImage gameActorImage = actorImage as GameActorImage;
if (gameActorImage != null)
{
gameActorImage.Render(this, renderer);
}
}
}
public void InitializeGraphics(Renderer2D renderer)
{
// When we initialize a character instance we go and generate the per instance graphical data necessary.
// In this case, each image that vertex deforms via animation will get its own buffer...
// We could potentially make this one contiguous one too, but the assumption would be that the entire buffer
// would be changing each frame.
foreach (ActorImage actorImage in ImageNodes)
{
GameActorImage gameActorImage = actorImage as GameActorImage;
if (gameActorImage != null && actorImage.DoesAnimationVertexDeform)
{
gameActorImage.DeformVertexBuffer = new VertexBuffer();
gameActorImage.DeformVertexBuffer.SetData(gameActorImage.AnimationDeformedVertices);
}
}
}
protected override void UpdateVertexDeform(ActorImage image)
{
GameActorImage actorImage = image as GameActorImage;
actorImage.DeformVertexBuffer.SetData(actorImage.AnimationDeformedVertices);
}
public void InitializeGraphics(Renderer2D renderer)
{
if (TexturesUsed > 0)
{
m_Textures = new Texture[TexturesUsed];
for (int i = 0; i < TexturesUsed; i++)
{
string atlasFilename;
if (TexturesUsed == 1)
{
atlasFilename = m_BaseFilename + ".png";
}
else
{
atlasFilename = m_BaseFilename + i + ".png";
}
m_Textures[i] = new Texture(atlasFilename, true);
}
}
List <float> vertexData = new List <float>();
List <float> skinnedVertexData = new List <float>();
List <ushort> indexData = new List <ushort>();
foreach (ActorImage actorImage in ImageNodes)
{
GameActorImage gameActorImage = actorImage as GameActorImage;
if (gameActorImage != null)
{
// When the image has vertex deform we actually get two vertex buffers per image.
// One that is static with all our base vertex data in there and one with the override positions.
// TODO: optimize this to remove the positions from the base one.
if (gameActorImage.DoesAnimationVertexDeform)
{
gameActorImage.VtxBuffer = new VertexBuffer();
gameActorImage.VtxBuffer.SetData(gameActorImage.Vertices);
gameActorImage.IndexOffset = indexData.Count;
ushort[] tris = gameActorImage.Triangles;
int indexCount = gameActorImage.TriangleCount * 3;
for (int j = 0; j < indexCount; j++)
{
indexData.Add(tris[j]);
}
}
else
{
// N.B. Even vertex deformed buffers get full stride. This wastes a little bit of data as each vertex deformed
// mesh will also have their original positions stored on the GPU, but this saves quite a bit of extra branching.
List <float> currentVertexData = gameActorImage.ConnectedBoneCount > 0 ? skinnedVertexData : vertexData;
// Calculate the offset in our contiguous vertex buffer.
ushort firstVertexIndex = (ushort)(currentVertexData.Count / gameActorImage.VertexStride);
float[] vertices = gameActorImage.Vertices;
int size = gameActorImage.VertexCount * gameActorImage.VertexStride;
for (int j = 0; j < size; j++)
{
currentVertexData.Add(vertices[j]);
}
// N.B. There's an implication here that each mesh cannot have more than 65,535 vertices.
gameActorImage.IndexOffset = indexData.Count;
ushort[] tris = gameActorImage.Triangles;
int indexCount = gameActorImage.TriangleCount * 3;
for (int j = 0; j < indexCount; j++)
{
indexData.Add((ushort)(tris[j] + firstVertexIndex));
}
}
}
}
// The buffers allocated here are all static as they do not change at runtime.
if (vertexData.Count > 0)
{
m_VertexBuffer = new VertexBuffer();
m_VertexBuffer.SetData(vertexData.ToArray());
}
if (skinnedVertexData.Count > 0)
{
m_SkinnedVertexBuffer = new VertexBuffer();
m_SkinnedVertexBuffer.SetData(skinnedVertexData.ToArray());
}
if (indexData.Count > 0)
{
m_IndexBuffer = new IndexBuffer();
m_IndexBuffer.SetData(indexData.ToArray());
}
// Update the vertex buffers being referenced.
foreach (ActorImage actorImage in ImageNodes)
{
GameActorImage gameActorImage = actorImage as GameActorImage;
if (gameActorImage != null)
{
if (!gameActorImage.DoesAnimationVertexDeform)
{
if (gameActorImage.ConnectedBoneCount > 0)
{
gameActorImage.VtxBuffer = m_SkinnedVertexBuffer;
}
else
{
gameActorImage.VtxBuffer = m_VertexBuffer;
}
}
}
}
}
void Copy(GameActorImage node, Actor resetActor)
{
base.Copy(node, resetActor);
m_IndexOffset = node.m_IndexOffset;
m_VertexBuffer = node.m_VertexBuffer;
}