/// <summary>
/// Loads all the points / edges, builds the polygon and loads the polygon data.
/// </summary>
private void LoadMeta()
{
bspMeta = map.SelectedMeta;
map.OpenMap(MapTypes.Internal);
// Load the collision planes into the BSP Collision as they are not laoded by default
for (int i = 0; i < coll.PlaneReflexiveCount; i++)
{
map.BR.BaseStream.Position = map.SelectedMeta.offset + coll.PlaneReflexiveTranslation + i * 16;
Vector4 temp = new Vector4();
temp.X = map.BR.ReadSingle();
temp.Y = map.BR.ReadSingle();
temp.Z = map.BR.ReadSingle();
temp.W = map.BR.ReadSingle();
coll.Planes[i].Add(temp);
}
// This will build our solid surfaces from the point / edge lists
for (int i = 0; i < coll.SurfaceReflexiveCount; i++)
{
// Creates a new empty polygon (* Collision surfaces are not necessarily triangles)
polygonInfo pi = new polygonInfo();
// Collision BSP / 3D Nodes (Offset 36 / 0) [each entry is 8 bytes long]
map.BR.BaseStream.Position = map.SelectedMeta.offset + coll.SurfaceReflexiveTranslation + i * 8;
pi.plane = map.BR.ReadInt16();
int startEdge = map.BR.ReadInt16();
pi.flags = map.BR.ReadByte();
pi.breakSurface = map.BR.ReadByte();
pi.material = map.BR.ReadInt16();
// The edges are listed in a circular order, we know the first edge, so cycle through until we get back home
List <short> indices = new List <short>();
int currentEdge = startEdge;
do
{
// Collision BSP / Edges (Offset 36 / 48) [each entry is 12 bytes long]
map.BR.BaseStream.Position = map.SelectedMeta.offset + coll.FaceReflexiveTranslation + currentEdge * 12;
short startVertex = map.BR.ReadInt16();
short endVertex = map.BR.ReadInt16();
short edge1 = map.BR.ReadInt16();
short edge2 = map.BR.ReadInt16();
short surfL = map.BR.ReadInt16();
short surfR = map.BR.ReadInt16();
// The edges are used by two surface that can be listed either left or right
// We know what surface we are working with, so we use the edge that relates to our surface #
// edge1 for Surface Left, edge2 for Surface Right
if (surfL == i)
{
currentEdge = edge1;
indices.Add(endVertex);
}
else if (surfR == i)
{
currentEdge = edge2;
indices.Add(startVertex);
}
} while (currentEdge != startEdge);
// The last vertices added is actually the first, so move it to the front
indices.Insert(0, indices[indices.Count - 1]);
indices.RemoveAt(indices.Count - 1);
pi.indices = indices.ToArray();
polygons.Add(pi);
}
map.CloseMap();
}
/// <summary>
/// Loads all the points / edges, builds the polygon and loads the polygon data.
/// </summary>
private void LoadMeta()
{
bspMeta = map.SelectedMeta;
map.OpenMap(MapTypes.Internal);
// Load the collision planes into the BSP Collision as they are not laoded by default
for (int i = 0; i < coll.PlaneReflexiveCount; i++)
{
map.BR.BaseStream.Position = map.SelectedMeta.offset + coll.PlaneReflexiveTranslation + i * 16;
Vector4 temp = new Vector4();
temp.X = map.BR.ReadSingle();
temp.Y = map.BR.ReadSingle();
temp.Z = map.BR.ReadSingle();
temp.W = map.BR.ReadSingle();
coll.Planes[i].Add(temp);
}
// This will build our solid surfaces from the point / edge lists
for (int i = 0; i < coll.SurfaceReflexiveCount; i++)
{
// Creates a new empty polygon (* Collision surfaces are not necessarily triangles)
polygonInfo pi = new polygonInfo();
// Collision BSP / 3D Nodes (Offset 36 / 0) [each entry is 8 bytes long]
map.BR.BaseStream.Position = map.SelectedMeta.offset + coll.SurfaceReflexiveTranslation + i * 8;
pi.plane = map.BR.ReadInt16();
int startEdge = map.BR.ReadInt16();
pi.flags = map.BR.ReadByte();
pi.breakSurface = map.BR.ReadByte();
pi.material = map.BR.ReadInt16();
// The edges are listed in a circular order, we know the first edge, so cycle through until we get back home
List<short> indices = new List<short>();
int currentEdge = startEdge;
do
{
// Collision BSP / Edges (Offset 36 / 48) [each entry is 12 bytes long]
map.BR.BaseStream.Position = map.SelectedMeta.offset + coll.FaceReflexiveTranslation + currentEdge * 12;
short startVertex = map.BR.ReadInt16();
short endVertex = map.BR.ReadInt16();
short edge1 = map.BR.ReadInt16();
short edge2 = map.BR.ReadInt16();
short surfL = map.BR.ReadInt16();
short surfR = map.BR.ReadInt16();
// The edges are used by two surface that can be listed either left or right
// We know what surface we are working with, so we use the edge that relates to our surface #
// edge1 for Surface Left, edge2 for Surface Right
if (surfL == i)
{
currentEdge = edge1;
indices.Add(endVertex);
}
else if (surfR == i)
{
currentEdge = edge2;
indices.Add(startVertex);
}
} while (currentEdge != startEdge);
// The last vertices added is actually the first, so move it to the front
indices.Insert(0, indices[indices.Count - 1]);
indices.RemoveAt(indices.Count - 1);
pi.indices = indices.ToArray();
polygons.Add(pi);
}
map.CloseMap();
}
