private void UpdateScenes()
{
List <D3Scene> d3Scenes = memReader.GetScenes();
// Check if the current scene list changed since last time
uint curCRC = 0;
for (int i = 0; i < d3Scenes.Count; i++)
{
curCRC ^= d3Scenes[i].SceneID;
}
if (this.scenesCRC == curCRC)
{
return;
}
this.scenesCRC = curCRC;
Scene[] scenes = new Scene[d3Scenes.Count];
for (int i = 0; i < d3Scenes.Count; i++)
{
D3Scene d3Scene = d3Scenes[i];
NavCell[] navCells = NavCells.SceneNavCells[(int)d3Scene.SnoID];
scenes[i] = new Scene(d3Scene.Name, d3Scene.Active, d3Scene.SceneID,
d3Scene.WorldID, (int)d3Scene.SnoID, d3Scene.Position);
}
// Find the world bounding box
AABB boundingBox = new AABB(
new Vector3f(Single.MaxValue, Single.MaxValue, 0f),
new Vector3f(Single.MinValue, Single.MinValue, 0f));
for (int i = 0; i < scenes.Length; i++)
{
AABB aabb = scenes[i].BoundingBox;
if (aabb.Min.X < BoundingBox.Min.X)
{
boundingBox.Min.X = aabb.Min.X;
}
if (aabb.Min.Y < boundingBox.Min.Y)
{
boundingBox.Min.Y = aabb.Min.Y;
}
if (aabb.Max.X > boundingBox.Max.X)
{
boundingBox.Max.X = aabb.Max.X;
}
if (aabb.Max.Y > boundingBox.Max.Y)
{
boundingBox.Max.Y = aabb.Max.Y;
}
}
this.BoundingBox = boundingBox;
// Create the walkable grid
int width = NextPowerOfTwo((int)boundingBox.Max.X / 4);
int height = NextPowerOfTwo((int)boundingBox.Max.Y / 4);
byte[,] walkableGrid = new byte[width, height];
for (int i = 0; i < scenes.Length; i++)
{
Scene scene = scenes[i];
for (int j = 0; j < scene.NavCells.Length; j++)
{
NavCell cell = scene.NavCells[j];
if (!cell.Flags.HasFlag(NavCellFlags.AllowWalk))
{
continue;
}
Vector2i min = new Vector2i(
(int)((scene.BoundingBox.Min.X + cell.BoundingBox.Min.X) * 0.25f),
(int)((scene.BoundingBox.Min.Y + cell.BoundingBox.Min.Y) * 0.25f));
Vector2i max = new Vector2i(
(int)((scene.BoundingBox.Min.X + cell.BoundingBox.Max.X) * 0.25f),
(int)((scene.BoundingBox.Min.Y + cell.BoundingBox.Max.Y) * 0.25f));
for (int x = min.X; x <= max.X; x++)
{
for (int y = min.Y; y <= max.Y; y++)
{
walkableGrid[x, y] = 1;
}
}
}
}
this.Scenes = scenes;
this.WalkableGrid = walkableGrid;
}