void BakeSingleTile()
{
UpdateProgress(0f);
int nverts = 0;
float[] verts = null;
int ntris = 0;
int[] tris = null;
ProcessTerrain(ref verts, ref nverts, ref tris, ref ntris);
UpdateProgress(0.25f);
config.walkableHeight = (int)Math.Ceiling(ecfg.AgentHeight / config.ch);
config.walkableClimb = (int)Math.Floor(ecfg.AgentMaxClimb / config.ch);
config.walkableRadius = (int)Math.Ceiling(ecfg.AgentRadius / config.cs);
config.maxEdgeLen = (int)(EdgeLen / config.cs);
config.minRegionArea = (int)Math.Pow(RegionMinSize, 2);
config.mergeRegionArea = (int)Math.Pow(RegionMergeSize, 2);
config.detailSampleDist = DetailSampleDist < 0.9f ? 0 : config.cs * DetailSampleDist;
config.detailSampleMaxError = DetailSampleMaxError * config.ch;
// Generate Recast
Recast.handleBuild(ref config, verts, nverts, tris, ntris);
// Fetch navmeshes
IntPtr polyPtr = Recast.getPolyMesh();
IntPtr detailPtr = Recast.getPolyMeshDetail();
PolyMesh mesh = (PolyMesh)Marshal.PtrToStructure(polyPtr, typeof(PolyMesh));
PolyMeshDetail detail = (PolyMeshDetail)Marshal.PtrToStructure(detailPtr, typeof(PolyMeshDetail));
UpdateProgress(0.5f);
// Create asset
PolyMeshAsset asset = CustomAssetUtility.CreateAssetWithoutSaving <PolyMeshAsset>();
// Save config
asset.config = config;
// Set poly data
asset.PolyMesh.nverts = mesh.nverts;
asset.PolyMesh.npolys = mesh.npolys;
asset.PolyMesh.maxpolys = mesh.maxpolys;
asset.PolyMesh.nvp = mesh.nvp;
CopyArray <float>(mesh.bmin, ref asset.PolyMesh.bmin, 3);
CopyArray <float>(mesh.bmax, ref asset.PolyMesh.bmax, 3);
asset.PolyMesh.cs = mesh.cs;
asset.PolyMesh.ch = mesh.ch;
asset.PolyMesh.borderSize = mesh.borderSize;
asset.PolyMesh.verts = new ushort[3 * mesh.nverts];
CopyArray(mesh.verts, asset.PolyMesh.verts, 3 * mesh.nverts);
asset.PolyMesh.polys = new ushort[mesh.maxpolys * 2 * mesh.nvp];
CopyArray(mesh.polys, asset.PolyMesh.polys, mesh.maxpolys * 2 * mesh.nvp);
asset.PolyMesh.regs = new ushort[mesh.maxpolys];
CopyArray(mesh.regs, asset.PolyMesh.regs, mesh.maxpolys);
asset.PolyMesh.flags = new ushort[mesh.npolys];
CopyArray(mesh.flags, asset.PolyMesh.flags, mesh.npolys);
asset.PolyMesh.areas = new byte[mesh.maxpolys];
CopyArray(mesh.areas, asset.PolyMesh.areas, mesh.maxpolys);
// Set detail data
asset.PolyDetailMesh.nmeshes = detail.nmeshes;
asset.PolyDetailMesh.nverts = detail.nverts;
asset.PolyDetailMesh.ntris = detail.ntris;
asset.PolyDetailMesh.meshes = new uint[4 * detail.nmeshes];
CopyArray(detail.meshes, asset.PolyDetailMesh.meshes, 4 * detail.nmeshes);
asset.PolyDetailMesh.verts = new float[3 * detail.nverts];
CopyArray(detail.verts, asset.PolyDetailMesh.verts, 3 * detail.nverts);
asset.PolyDetailMesh.tris = new byte[4 * detail.ntris];
CopyArray(detail.tris, asset.PolyDetailMesh.tris, 4 * detail.ntris);
// Save asset again
UpdateProgress(0.75f);
CustomAssetUtility.SaveAsset <PolyMeshAsset>(asset);
// Close window
UpdateProgress(0f);
EditorUtility.ClearProgressBar();
}
void BakeTileCache()
{
UpdateProgress(0f);
int nverts = 0;
float[] verts = null;
int ntris = 0;
int[] tris = null;
ProcessTerrain(ref verts, ref nverts, ref tris, ref ntris);
UpdateProgress(0.25f);
IntPtr vertsPtr = Marshal.AllocHGlobal(verts.Length * sizeof(float));
Marshal.Copy(verts, 0, vertsPtr, verts.Length);
IntPtr trisPtr = Marshal.AllocHGlobal(tris.Length * sizeof(int));
Marshal.Copy(tris, 0, trisPtr, tris.Length);
InputGeometry geom = new InputGeometry()
{
verts = vertsPtr,
tris = trisPtr,
nverts = nverts,
ntris = ntris
};
UpdateProgress(0.5f);
RecastConfig recastConfig = FindObjectOfType <RecastConfig>();
Dictionary <string, ushort> areas = new Dictionary <string, ushort>();
ushort k = 1;
foreach (var layer in recastConfig.Layers)
{
areas.Add(layer.LayerID, k);
TileCache.addFlag(k, 1);
k *= 2;
}
DetourConvexVolume[] volumes = FindObjectsOfType <Pathfinding.DetourConvexVolume>();
foreach (var volume in volumes)
{
TileCache.addConvexVolume(volume.floatNodes(), volume.nodes.Count, volume.maxY, volume.minY, areas[volume.AreaID]);
}
IntPtr tileCache = new IntPtr(0);
IntPtr navMesh = new IntPtr(0);
IntPtr navQuery = new IntPtr(0);
TileCache.handleTileCacheBuild(ref config, ref ecfg, ref geom, ref tileCache, ref navMesh, ref navQuery);
UpdateProgress(0.75f);
// Create asset
TileCacheAsset asset = CustomAssetUtility.CreateAssetWithoutSaving <TileCacheAsset>();
IntPtr tilesHeader = new IntPtr(0);
TileCache.getTileCacheHeaders(ref asset.header, ref tilesHeader, tileCache, navMesh);
// Copy to asset
asset.config = config;
// Copy sizes
int structSize = Marshal.SizeOf(typeof(TileCacheAsset.TileCacheTileHeader));
asset.tilesHeader = new TileCacheAsset.TileCacheTileHeader[asset.header.numTiles];
for (uint i = 0; i < asset.header.numTiles; ++i)
{
asset.tilesHeader[i] = (TileCacheAsset.TileCacheTileHeader)Marshal.PtrToStructure(new IntPtr(tilesHeader.ToInt64() + (structSize * i)), typeof(TileCacheAsset.TileCacheTileHeader));
}
// Copy data
int dataSize = 0;
int start = 0;
for (uint i = 0; i < asset.header.numTiles; ++i)
{
dataSize += asset.tilesHeader[i].dataSize;
}
asset.tilesData = new byte[dataSize];
for (uint i = 0; i < asset.header.numTiles; ++i)
{
IntPtr tilePtr = TileCache.getTileCacheTile(tileCache, (int)i);
CompressedTile tile = (CompressedTile)Marshal.PtrToStructure(tilePtr, typeof(CompressedTile));
asset.tilesHeader[i] = (TileCacheAsset.TileCacheTileHeader)Marshal.PtrToStructure(new IntPtr(tilesHeader.ToInt64() + (structSize * i)), typeof(TileCacheAsset.TileCacheTileHeader));
if (asset.tilesHeader[i].dataSize > 0)
{
Marshal.Copy(tile.data, asset.tilesData, start, asset.tilesHeader[i].dataSize);
start += asset.tilesHeader[i].dataSize;
}
}
// Save asset
CustomAssetUtility.SaveAsset <TileCacheAsset>(asset);
// Close window
UpdateProgress(0f);
EditorUtility.ClearProgressBar();
}