/// <summary>
/// Creates a new builder for a single-tile mesh build.
/// </summary>
/// <remarks>
/// <para>
/// The bounds of the tile will be based on the geometry.
/// </para>
/// <para>
/// Will return null if a processor requires the the detail mesh but
/// the detail mesh is not included in the result options.
/// </para>
/// </remarks>
/// <param name="buildConfig">The build configuration.</param>
/// <param name="resultOptions">The assets to include in the result.</param>
/// <param name="geometry">The input geometry.</param>
/// <param name="processors">The processors to apply.</param>
/// <returns>A new builder, or null on error.</returns>
public static IncrementalBuilder Create(NMGenParams buildConfig
, NMGenAssetFlag resultOptions
, InputGeometry geometry
, ProcessorSet processors)
{
if (buildConfig == null ||
geometry == null ||
processors == null)
{
return(null);
}
resultOptions |= NMGenAssetFlag.PolyMesh;
if ((processors.PreserveAssets & NMGenAssetFlag.DetailMesh) != 0 &&
(resultOptions & NMGenAssetFlag.DetailMesh) == 0)
{
// The processors require the detail mesh, but the result won't include it.
return(null);
}
NMGenTileParams tileConfig =
new NMGenTileParams(0, 0, geometry.BoundsMin, geometry.BoundsMax);
return(new IncrementalBuilder(tileConfig
, buildConfig, resultOptions, geometry, processors));
}
/// <summary>
/// Creates a new builder for a multi-tile mesh build.
/// </summary>
/// <remarks>
/// <para>
/// Will return null if a processor requires the the detail mesh but the detail mesh is
/// not included in the result options.
/// </para>
/// </remarks>
/// <param name="tx">The x-index of the tile to build.</param>
/// <param name="tz">The z-index of the tile to build.</param>
/// <param name="resultOptions">The assets to include in the result.</param>
/// <param name="tdef">The tile set definition to base the build on.</param>
/// <param name="processors">The processors to apply.</param>
/// <returns>A new builder, or null on error.</returns>
public static IncrementalBuilder Create(int tx, int tz
, NMGenAssetFlag resultOptions
, TileSetDefinition tdef
, ProcessorSet processors)
{
if (tdef == null || processors == null)
{
return(null);
}
resultOptions |= NMGenAssetFlag.PolyMesh;
if ((processors.PreserveAssets & NMGenAssetFlag.DetailMesh) != 0 &&
(resultOptions & NMGenAssetFlag.DetailMesh) == 0)
{
// The processors require the detail mesh, but the result won't include it.
return(null);
}
Vector3 bmin;
Vector3 bmax;
// This next call checks for valid tx/tz.
if (!tdef.GetTileBounds(tx, tz, true, out bmin, out bmax))
{
return(null);
}
NMGenTileParams tileConfig = new NMGenTileParams(tx, tz, bmin, bmax);
return(new IncrementalBuilder(tileConfig, tdef.GetBaseConfig(), resultOptions
, tdef.Geometry, processors));
}
private IncrementalBuilder(NMGenTileParams tileConfig
, NMGenParams config
, NMGenAssetFlag resultOptions
, InputGeometry source
, ProcessorSet processors)
{
mConfig = config;
mTileConfig = tileConfig;
mGeometry = source;
mProcessors = processors;
mResultOptions = resultOptions;
mBuildContext = new NMGenContext(tileConfig.TileX, tileConfig.TileZ, mConfig.Clone());
mTileText = string.Format("({0},{1})", tileConfig.TileX, tileConfig.TileZ);
mState = NMGenState.Initialized;
}