/// <summary>
/// Cleans up the rendering view of the models.
/// </summary>
/// <param name="frustumCuller">The area where models can be viewed from the camera.</param>
/// <param name="frustumCullMode">The mode of the culling.</param>
public void FrustumCull(FrustumCulling frustumCuller, EnumFrustumCullMode frustumCullMode)
{
indicesGroupsCount = 0;
int multiplier = (IntPtr.Size == 8) ? 2 : 1;
RenderedTriangles = 0;
AllocatedTris = 0;
for (int i = 0; i < poolLocations.Count; i++)
{
ModelDataPoolLocation location = poolLocations[i];
int size = location.IndicesEnd - location.IndicesStart;
if (location.IsVisible(frustumCullMode, frustumCuller))
{
indicesStartsByte[indicesGroupsCount * multiplier] = location.IndicesStart * 4; // Offset in bytes, not ints
indicesSizes[indicesGroupsCount] = size;
RenderedTriangles += size / 3;
indicesGroupsCount++;
}
AllocatedTris += size / 3;
}
}
/// <summary>
/// Attempts to remove the model from the pool if the model exists. Will throw an invalid call or an InvalidOperationException if used improperly.
/// </summary>
/// <param name="location">The location of the model data.</param>
public void RemoveLocation(ModelDataPoolLocation location)
{
if (location.PoolId != poolId)
{
throw new Exception("invalid call");
}
if (!poolLocations.Remove(location))
{
throw new InvalidOperationException("Tried to remove mesh that does not exist. This shouldn't happen");
}
// Last location?
if (poolLocations.Count == 0)
{
indicesPosition = 0;
verticesPosition = 0;
}
else
{
// Location at the end of the buffer?
if (location.IndicesEnd == indicesPosition && location.VerticesEnd == verticesPosition)
{
indicesPosition = poolLocations[poolLocations.Count - 1].IndicesEnd;
verticesPosition = poolLocations[poolLocations.Count - 1].VerticesEnd;
}
}
CalcFragmentation();
}
/// <summary>
/// Attempts to add the new model.
/// </summary>
/// <param name="capi">The core client API</param>
/// <param name="modeldata">The model to add</param>
/// <param name="modelOrigin">The origin point of the model.</param>
/// <param name="frustumCullSphere">The culling sphere.</param>
/// <returns>The location of the model (and the data) in the pool.</returns>
public ModelDataPoolLocation TryAdd(ICoreClientAPI capi, MeshData modeldata, Vec3i modelOrigin, Sphere frustumCullSphere)
{
if (poolLocations.Count >= MaxPartsPerPool)
{
return(null);
}
// Can't add a model data to far away from our baseposition, otherwise our floating point positions
// become too inaccurate
if (poolOrigin != null && modelOrigin.SquareDistanceTo(poolOrigin) > 5000 * 5000)
{
return(null);
}
if (CurrentFragmentation > 0.05f)
{
ModelDataPoolLocation location = TrySqueezeInbetween(capi, modeldata, modelOrigin, frustumCullSphere);
if (location != null)
{
return(location);
}
}
return(TryAppend(capi, modeldata, modelOrigin, frustumCullSphere));
}
ModelDataPoolLocation TryAppend(ICoreClientAPI capi, MeshData modeldata, Vec3i modelOrigin, Sphere frustumCullSphere)
{
if (modeldata.IndicesCount + indicesPosition >= IndicesPoolSize || modeldata.VerticesCount + verticesPosition >= VerticesPoolSize)
{
return(null);
}
ModelDataPoolLocation location = InsertAt(capi, modeldata, modelOrigin, frustumCullSphere, indicesPosition, verticesPosition, -1);
indicesPosition += modeldata.IndicesCount;
verticesPosition += modeldata.VerticesCount;
return(location);
}
ModelDataPoolLocation TrySqueezeInbetween(ICoreClientAPI capi, MeshData modeldata, Vec3i modelOrigin, Sphere frustumCullSphere)
{
int curVertexPos = 0;
int curIndexPos = 0;
for (int i = 0; i < poolLocations.Count; i++)
{
ModelDataPoolLocation location = poolLocations[i];
if (location.IndicesStart - curIndexPos > modeldata.IndicesCount && location.VerticesStart - curVertexPos > modeldata.VerticesCount)
{
return(InsertAt(capi, modeldata, modelOrigin, frustumCullSphere, curIndexPos, curVertexPos, i));
}
curIndexPos = location.IndicesEnd + 1;
curVertexPos = location.VerticesEnd + 1;
}
return(null);
}
/// <summary>
/// Adds a model to the mesh pool.
/// </summary>
/// <param name="modeldata">The model data</param>
/// <param name="modelOrigin">The origin point of the Model</param>
/// <param name="frustumCullSphere">The culling sphere.</param>
/// <returns>The location identifier for the pooled model.</returns>
public ModelDataPoolLocation AddModel(MeshData modeldata, Vec3i modelOrigin, Sphere frustumCullSphere)
{
ModelDataPoolLocation location = null;
for (int i = 0; i < pools.Count; i++)
{
location = pools[i].TryAdd(capi, modeldata, modelOrigin, frustumCullSphere);
if (location != null)
{
break;
}
}
if (location == null)
{
int vertexSize = Math.Max(modeldata.VerticesCount + 1, defaultVertexPoolSize);
int indexSize = Math.Max(modeldata.IndicesCount + 1, defaultIndexPoolSize);
if (vertexSize > defaultIndexPoolSize)
{
capi.World.Logger.Warning("Chunk (or some other mesh source at origin: {0}) exceeds default geometric complexity maximum of {1} vertices and {2} indices. You must be loading some very complex objects (#v = {3}, #i = {4}). Adjusted Pool size accordingly.", modelOrigin, defaultVertexPoolSize, defaultIndexPoolSize, modeldata.VerticesCount, modeldata.IndicesCount);
}
MeshDataPool pool = MeshDataPool.AllocateNewPool(capi, vertexSize, indexSize, maxPartsPerPool, customFloats, customShorts, customBytes, customInts);
pool.poolOrigin = modelOrigin;
masterPool.AddModelDataPool(pool);
pools.Add(pool);
location = pool.TryAdd(capi, modeldata, modelOrigin, frustumCullSphere);
}
if (location == null)
{
capi.World.Logger.Fatal("Can't add modeldata (probably a tesselated chunk @{0}) to the model data pool list, it exceeds the size of a single empty pool of {1} vertices and {2} indices. You must be loading some very complex objects (#v = {3}, #i = {4}). Try increasing MaxVertexSize and MaxIndexSize. The whole chunk will be invisible.", modelOrigin, defaultVertexPoolSize, defaultIndexPoolSize, modeldata.VerticesCount, modeldata.IndicesCount);
//location = new ModelDataPoolLocation() { frustumCullSphere = frustumCullSphere };
//pools[0].poolLocations.Add(location);
}
return(location);
}
ModelDataPoolLocation InsertAt(ICoreClientAPI capi, MeshData modeldata, Vec3i modelOrigin, Sphere frustumCullSphere, int indexPosition, int vertexPosition, int listPosition)
{
// Shift the indices numbers accordingly
for (int i = 0; i < modeldata.IndicesCount; i++)
{
modeldata.Indices[i] += vertexPosition;
}
// Relative offset to our pool origin
if (poolOrigin != null)
{
int dx = modelOrigin.X - this.poolOrigin.X;
int dy = modelOrigin.Y - this.poolOrigin.Y;
int dz = modelOrigin.Z - this.poolOrigin.Z;
for (int i = 0; i < modeldata.VerticesCount; i++)
{
modeldata.xyz[3 * i] += dx;
modeldata.xyz[3 * i + 1] += dy;
modeldata.xyz[3 * i + 2] += dz;
}
}
// Shift position to the end of the used buffers memory
modeldata.XyzOffset = vertexPosition * MeshData.XyzSize;
modeldata.NormalsOffset = vertexPosition * MeshData.NormalSize;
modeldata.RgbaOffset = vertexPosition * MeshData.RgbaSize;
modeldata.Rgba2Offset = vertexPosition * MeshData.RgbaSize;
modeldata.UvOffset = vertexPosition * MeshData.UvSize;
modeldata.FlagsOffset = vertexPosition * MeshData.FlagsSize;
modeldata.IndicesOffset = indexPosition * MeshData.IndexSize;
if (modeldata.CustomFloats != null)
{
modeldata.CustomFloats.BaseOffset = vertexPosition * modeldata.CustomFloats.InterleaveStride;
}
if (modeldata.CustomBytes != null)
{
modeldata.CustomBytes.BaseOffset = vertexPosition * modeldata.CustomBytes.InterleaveStride;
}
if (modeldata.CustomInts != null)
{
modeldata.CustomInts.BaseOffset = vertexPosition * modeldata.CustomInts.InterleaveStride;
}
// Load into graphics card
capi.Render.UpdateMesh(modelRef, modeldata);
// Assign a location to it
ModelDataPoolLocation poolLocation = new ModelDataPoolLocation()
{
IndicesStart = indexPosition,
IndicesEnd = indexPosition + modeldata.IndicesCount,
VerticesStart = vertexPosition,
VerticesEnd = vertexPosition + modeldata.VerticesCount,
PoolId = poolId,
FrustumCullSphere = frustumCullSphere
};
// Maintain correct ordering
if (listPosition != -1)
{
poolLocations.Insert(listPosition, poolLocation);
}
else
{
poolLocations.Add(poolLocation);
}
CalcFragmentation();
return(poolLocation);
}