public void LoadGraph(string file)
{
FileStream fs = new FileStream(file, FileMode.Open, FileAccess.Read);
BinaryReader r = new BinaryReader(fs);
Help.IOHelp.r = r;
int cc = r.ReadInt32();
for (int i = 0; i < cc; i++)
{
Cam3D nc = new Cam3D();
nc.Read( );
Cams.Add(nc);
}
int lc = r.ReadInt32();
for (int i = 0; i < lc; i++)
{
Light3D nl = new FusionEngine.Lighting.Light3D();
nl.Read( );
Lights.Add(nl);
}
Entity3D re = new Entity3D();
Root = re;
re.Read( );
fs.Close( );
}
public virtual void RenderNodeNoLights(Node3D node)
{
if (CamOverride != null)
{
foreach (Light3D l in Lights)
{
Light3D.Active = l;
node.Present(CamOverride);
}
}
else
{
foreach (Cam3D c in Cams)
{
GL.Disable(EnableCap.Blend);
// Console.WriteLine("Presenting:" + node.Name);
node.Present(c);
// foreach (var n in Nodes) { n.Present(c); }
}
}
foreach (Node3D snode in node.Sub)
{
// Console.WriteLine("Rendering Node:" + snode.Name);
RenderNodeNoLights(snode);
}
}
public void BeginFrameNode(Node3D node)
{
node.StartFrame( );
foreach (Node3D snode in node.Sub)
{
BeginFrameNode(snode);
}
}
public virtual void UpdateNode(Node3D node)
{
node.Update( );
foreach (Node3D snode in node.Sub)
{
UpdateNode(snode);
}
}
public void RestoreNode(Node3D node)
{
node.RestoreProps( );
foreach (Node3D nn in node.Sub)
{
RestoreNode(nn);
}
}
public void CopyNode(Node3D node)
{
node.CopyProps( );
foreach (Node3D nn in node.Sub)
{
CopyNode(nn);
}
}
public virtual void RenderNode(Node3D node)
{
// Console.WriteLine("RenderNode:" + node.Name);
RenderThis(node);
foreach (Node3D snode in node.Sub)
{
// Console.WriteLine("Rendering Node:" + snode.Name);
RenderNode(snode);
}
}
public virtual void RenderNodeDepth(Node3D node, Cam3D c)
{
if (node.CastDepth)
{
node.PresentDepth(c);
}
foreach (Node3D snode in node.Sub)
{
RenderNodeDepth(snode, c);
}
}
private void NodeToList(Node3D node, bool meshes, List <Node3D> list)
{
if (meshes)
{
if (node is Entity3D)
{
list.Add(node);
}
}
else
{
list.Add(node);
}
foreach (Node3D n2 in node.Sub)
{
NodeToList(n2, meshes, list);
}
}
public virtual void RenderNodeByTags(List <string> tags, Node3D node)
{
bool rt = false;
foreach (string tag in tags)
{
if (node.RenderTags.Contains(tag))
{
rt = true;
RenderThis(node);
break;
}
}
if (rt)
{
foreach (Node3D n in node.Sub)
{
RenderNodeByTags(tags, n);
}
}
}
public FusionEngine.Pick.PickResult CamPick(int x, int y)
{
Pick.PickResult res = new Pick.PickResult( );
List <Node3D> nl = GetList(true);
Pick.Ray mr = Pick.Picker.CamRay(Cams [0], x, y);
float cd = 0;
bool firstHit = true;
float cu = 0, cv = 0;
Node3D cn = null;
foreach (Node3D n in nl)
{
Entity3D e = n as Entity3D;
foreach (Data.Mesh3D msh in e.Meshes)
{
for (int i = 0; i < msh.TriData.Length; i++)
{
int v0 = msh.TriData[i].V0;
int v1 = msh.TriData[i].V1;
int v2 = msh.TriData[i].v2;
Vector3 r0, r1, r2;
r0 = Rot(msh.VertexData [v0].Pos, n);
r1 = Rot(msh.VertexData [v1].Pos, n);
r2 = Rot(msh.VertexData [v2].Pos, n);
Vector3?pr = Pick.Picker.GetTimeAndUvCoord(mr.pos, mr.dir, r0, r1, r2);
if (pr == null)
{
}
else
{
Vector3 cr = (Vector3)pr;
if (cr.X < cd || firstHit)
{
firstHit = false;
cd = cr.X;
cn = n;
cu = cr.Y;
cv = cr.Z;
}
}
}
}
}
if (firstHit)
{
return(null);
}
res.Dist = cd;
res.Node = cn;
res.Pos = Pick.Picker.GetTrilinearCoordinateOfTheHit(cd, mr.pos, mr.dir);
res.Ray = mr;
res.UV = new Vector3(cu, cv, 0);
return(res);
}
public Vector3 Rot(Vector3 p, Node3D n)
{
return(Vector3.TransformPosition(p, n.World));
}
public virtual void Add(Node3D n)
{
Root.Add(n);
n.Top = Root;
}
private void RenderThis(Node3D node)
{
if (node.Name == "Terrain")
{
}
if (CamOverride != null)
{
foreach (Light3D l in Lights)
{
Light3D.Active = l;
node.Present(CamOverride);
}
}
else
{
foreach (Cam3D c in Cams)
{
if (node.AlwaysAlpha)
{
Entity3D ge = node as Entity3D;
if (ge.Renderer is Visuals.RMultiPass)
{
ge.Renderer = new Visuals.VRNoFx( );
}
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
node.Present(c);
continue;
}
if (node.Lit)
{
bool first = true;
foreach (Light3D l in Lights)
{
Light3D.Active = l;
if (first)
{
first = false;
GL.Disable(EnableCap.Blend);
}
else
{
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.One, BlendingFactor.One);
}
// Console.WriteLine("Presenting:" + node.Name);
if (node.Name.Contains("Merged"))
{
}
node.Present(c);
// foreach (var n in Nodes) { n.Present(c); }
}
}
else
{
if (node.FaceCamera)
{
node.LookAt(c.LocalPos, new Vector3(0, 1, 0));
}
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.Src1Alpha, BlendingFactor.OneMinusSrcAlpha);
GL.DepthMask(false);
node.Present(c);
GL.DepthMask(true);
}
}
}
}
