private void OnSceneGUI(SceneView sceneView)
{
if (!(ScriptableObject)mNavmeshData)
{
Hide();
return;
}
if (!mNavmeshData.HasNavmesh)
{
mDataVersion = -1;
mNavmesh = null;
return;
}
if (mNavmesh == null || mNavmeshData.Version != mDataVersion)
{
mNavmesh = mNavmeshData.GetNavmesh();
mDataVersion = mNavmeshData.Version;
if (mNavmesh == null)
{
return;
}
}
NavDebug.Draw(mNavmesh, mColorByArea);
}
void OnRenderObject()
{
if (!mDebugEnabled)
{
return;
}
INavmeshData data = NavmeshData;
if (!mNavmeshData || !data.HasNavmesh)
{
mDebugMesh = null;
return;
}
if (mDebugMesh == null || data.Version != mDebugVersion)
{
mDebugMesh = data.GetNavmesh();
mDebugVersion = data.Version;
if (mDebugMesh == null)
{
return;
}
}
NavDebug.Draw(mDebugMesh, false);
}
internal bool CanLoadFromTarget(BuildContext context, bool fullCheck)
{
INavmeshData target = BuildTarget;
if (target == null || !target.HasNavmesh)
{
if (context != null)
{
context.LogError("Build target does not have an existing navigation mesh.", this);
}
return(false);
}
NavmeshBuildInfo targetConfig = target.BuildInfo;
// Note: The tile size is checked since the original builder
// may have supported a tile size not supported by the the standard build.
if (targetConfig == null ||
targetConfig.tileSize >= 0 && targetConfig.tileSize < MinAllowedTileSize)
{
if (context != null)
{
context.LogError("Unavailable or unsupported build target configuration.", this);
}
return(false);
}
if (!fullCheck)
{
return(true);
}
Navmesh nm = target.GetNavmesh();
if (nm == null)
{
if (context != null)
{
context.LogError(
"Build target does not have an existing navigation mesh. (It lied.)", this);
}
return(false);
}
NavmeshParams nmConfig = nm.GetConfig();
if (nmConfig.maxTiles < 2)
{
if (context != null)
{
context.LogError("Target navigation mesh is not tiled.", this);
}
return(false);
}
int tileCount = 0;
for (int i = 0; i < nmConfig.maxTiles; i++)
{
NavmeshTile tile = nm.GetTile(i);
if (tile == null)
{
continue;
}
NavmeshTileHeader header = tile.GetHeader();
if (header.polyCount == 0)
{
continue;
}
tileCount++;
if (header.layer > 0)
{
if (context != null)
{
context.LogError(
"Target navigation mesh contains layered tiles. (Not supported.)", this);
}
return(false);
}
}
if (tileCount < 2)
{
if (context != null)
{
context.LogError(
"Target navigation mesh is either not tiled or has no tiles loaded.", this);
}
return(false);
}
return(true);
}