private SEACamera AppendCamera(Scene scene, Node node, Camera camera, SEAObject3D parent)
{
int sIndex = GetIndexByTag(node);
if (sIndex != -1) return (SEACamera)Writer.Objects[sIndex];
SEACamera cam = new SEACamera(GetValidString(objects, node.Name));
cam.parent = parent != null ? GetIndex(parent) : -1;
cam.transform = To3x4Array(node.Transform * camera.ViewMatrix);
cam.fov = camera.FieldOfview;
objects.Add(cam);
Writer.AddObject(cam);
cam.tag = node;
return cam;
}
/// <summary>
/// Constructs a new Scene.
/// </summary>
/// <param name="scene">Unmanaged AiScene struct.</param>
internal Scene(AiScene scene)
{
_flags = scene.Flags;
//Read materials
if(scene.NumMaterials > 0 && scene.Materials != IntPtr.Zero) {
AiMaterial[] materials = MemoryHelper.MarshalArray<AiMaterial>(scene.Materials, (int) scene.NumMaterials, true);
_materials = new Material[materials.Length];
for(int i = 0; i < _materials.Length; i++) {
_materials[i] = new Material(materials[i]);
}
}
//Read scenegraph
if(scene.RootNode != IntPtr.Zero) {
_rootNode = new Node(MemoryHelper.MarshalStructure<AiNode>(scene.RootNode), null);
}
//Read meshes
if(scene.NumMeshes > 0 && scene.Meshes != IntPtr.Zero) {
AiMesh[] meshes = MemoryHelper.MarshalArray<AiMesh>(scene.Meshes, (int) scene.NumMeshes, true);
_meshes = new Mesh[meshes.Length];
for(int i = 0; i < _meshes.Length; i++) {
_meshes[i] = new Mesh(meshes[i]);
}
}
//Read lights
if(scene.NumLights > 0 && scene.Lights != IntPtr.Zero) {
AiLight[] lights = MemoryHelper.MarshalArray<AiLight>(scene.Lights, (int) scene.NumLights, true);
_lights = new Light[lights.Length];
for(int i = 0; i < _lights.Length; i++) {
_lights[i] = new Light(lights[i]);
}
}
//Read cameras
if(scene.NumCameras > 0 && scene.Cameras != IntPtr.Zero) {
AiCamera[] cameras = MemoryHelper.MarshalArray<AiCamera>(scene.Cameras, (int) scene.NumCameras, true);
_cameras = new Camera[cameras.Length];
for(int i = 0; i < _cameras.Length; i++) {
_cameras[i] = new Camera(cameras[i]);
}
}
//Read Textures
if(scene.NumTextures > 0 && scene.Textures != IntPtr.Zero) {
AiTexture[] textures = MemoryHelper.MarshalArray<AiTexture>(scene.Textures, (int) scene.NumTextures, true);
_textures = new Texture[textures.Length];
for(int i = 0; i < _textures.Length; i++) {
_textures[i] = Texture.CreateTexture(textures[i]);
}
}
//Read animations
if(scene.NumAnimations > 0 && scene.Animations != IntPtr.Zero) {
AiAnimation[] animations = MemoryHelper.MarshalArray<AiAnimation>(scene.Animations, (int) scene.NumAnimations, true);
_animations = new Animation[animations.Length];
for(int i = 0; i < _animations.Length; i++) {
_animations[i] = new Animation(animations[i]);
}
}
}