/// <summary>
/// The two parameters are the normalised (0->1) elevation and moisture values.
/// </summary>
/// <param name="elevationPercentage"></param>
/// <param name="moisturePercentage"></param>
/// <returns></returns>
public int GetBiomeID(float elevationPercentage, float moisturePercentage)
{
//Simple linear search through elevation zones
StartEndRange moisturelevels = new StartEndRange()
{
start = 0, end = 0
};
for (int i = 0; i < allElevationZones.Length; i++)
{
var zone = allElevationZones[i];
moisturelevels = zone.moistureLevels;
if (elevationPercentage < zone.maxElevationPercentage)
{
break;
}
}
//Simple linear search through moisture levels
int biomeID = 0;
for (int i = moisturelevels.start; i < moisturelevels.end; i++)
{
var moistureDef = allMoistureDefs[i];
biomeID = moistureDef.biomeID;
if (moisturePercentage < moistureDef.maxMoisturePercentage)
{
break;
}
}
return(biomeID);
}
public static NativeVoxelTypeDatabase FromTypeData(List <VoxelTypeData> typeData)
{
List <float> zIndicesPerFaceList = new List <float>();
List <StartEndRange> voxelTypeToZIndicesRangeMapList = new List <StartEndRange>();
List <bool> voxelTypeToIsPassableMapList = new List <bool>();
//AIR
voxelTypeToZIndicesRangeMapList.Add(new StartEndRange());
voxelTypeToIsPassableMapList.Add(true);
for (int i = 1; i < typeData.Count; i++)
{
StartEndRange range = new StartEndRange();
range.start = zIndicesPerFaceList.Count;
var zIndices = typeData[i].zIndicesPerFace;
zIndicesPerFaceList.AddRange(zIndices);
range.end = zIndicesPerFaceList.Count;
voxelTypeToZIndicesRangeMapList.Add(range);
voxelTypeToIsPassableMapList.Add(typeData[i].definition.isPassable);
}
NativeVoxelTypeDatabase database = new NativeVoxelTypeDatabase();
database.zIndicesPerFace = new NativeArray <float>(zIndicesPerFaceList.ToArray(), Allocator.Persistent);
database.voxelTypeToZIndicesRangeMap = new NativeArray <StartEndRange>(voxelTypeToZIndicesRangeMapList.ToArray(), Allocator.Persistent);
database.voxelTypeToIsPassableMap = new NativeArray <bool>(voxelTypeToIsPassableMapList.ToArray(), Allocator.Persistent);
return(database);
}
/// <summary>
/// Generate the database from a list of type data
/// </summary>
public static NativeMeshDatabase FromTypeData(List <VoxelTypeData> typeData)
{
List <Node> allMeshNodesList = new List <Node>();
List <StartEndRange> nodesUsedByFacesList = new List <StartEndRange>();
List <int> allRelativeTrianglesList = new List <int>();
List <StartEndRange> relativeTrianglesByFacesList = new List <StartEndRange>();
List <bool> isFaceSolidList = new List <bool>();
List <StartEndRange> meshTypeRangesList = new List <StartEndRange>();
List <int> voxelTypeToMeshTypeMapList = new List <int>();
List <ushort> voxelTypeToMaterialIDMapList = new List <ushort>();
List <bool> meshIdToIncludeBackfacesMapList = new List <bool>();
Dictionary <SOMeshDefinition, int> uniqueMeshIDs = new Dictionary <SOMeshDefinition, int>();
//AIR
voxelTypeToMeshTypeMapList.Add(0);
voxelTypeToMaterialIDMapList.Add(0);
for (ushort voxelId = 1; voxelId < typeData.Count; voxelId++)
{
var item = typeData[voxelId];
var SODef = item.definition.meshDefinition;
if (!uniqueMeshIDs.TryGetValue(SODef, out var meshID))
{
//New Unique mesh defintion
meshID = meshTypeRangesList.Count;
uniqueMeshIDs.Add(SODef, meshID);
StartEndRange meshTypeRange = new StartEndRange();
meshTypeRange.start = nodesUsedByFacesList.Count;
Flatten(SODef, allMeshNodesList, nodesUsedByFacesList, allRelativeTrianglesList, relativeTrianglesByFacesList, isFaceSolidList);
meshTypeRange.end = nodesUsedByFacesList.Count;
meshTypeRangesList.Add(meshTypeRange);
meshIdToIncludeBackfacesMapList.Add(SODef.includeBackfaces);
}
voxelTypeToMeshTypeMapList.Add(meshID);
voxelTypeToMaterialIDMapList.Add(item.materialID);
}
NativeMeshDatabase nativeMeshDatabase = new NativeMeshDatabase();
nativeMeshDatabase.allMeshNodes = new NativeArray <Node>(allMeshNodesList.ToArray(), Allocator.Persistent);
nativeMeshDatabase.nodesUsedByFaces = new NativeArray <StartEndRange>(nodesUsedByFacesList.ToArray(), Allocator.Persistent);
nativeMeshDatabase.allRelativeTriangles = new NativeArray <int>(allRelativeTrianglesList.ToArray(), Allocator.Persistent);
nativeMeshDatabase.relativeTrianglesByFaces = new NativeArray <StartEndRange>(relativeTrianglesByFacesList.ToArray(), Allocator.Persistent);
nativeMeshDatabase.isFaceSolid = new NativeArray <bool>(isFaceSolidList.ToArray(), Allocator.Persistent);
nativeMeshDatabase.meshTypeRanges = new NativeArray <StartEndRange>(meshTypeRangesList.ToArray(), Allocator.Persistent);
nativeMeshDatabase.voxelTypeToMeshTypeMap = new NativeArray <int>(voxelTypeToMeshTypeMapList.ToArray(), Allocator.Persistent);
nativeMeshDatabase.voxelTypeToMaterialIDMap = new NativeArray <ushort>(voxelTypeToMaterialIDMapList.ToArray(), Allocator.Persistent);
nativeMeshDatabase.meshIdToIncludeBackfacesMap = meshIdToIncludeBackfacesMapList.ToArray().ToNative(Allocator.Persistent);
return(nativeMeshDatabase);
}
public static IEnumerable <Vector3Int> AllPositionsOnChunkBorder(Direction dir, Vector3Int chunkDimensions)
{
StartEndRange xRange = new StartEndRange()
{
start = 0, end = chunkDimensions.x
};
StartEndRange yRange = new StartEndRange()
{
start = 0, end = chunkDimensions.y
};
StartEndRange zRange = new StartEndRange()
{
start = 0, end = chunkDimensions.z
};
switch (dir)
{
case Direction.up:
yRange.start = yRange.end - 1;
break;
case Direction.down:
yRange.end = yRange.start + 1;
break;
case Direction.north:
zRange.start = zRange.end - 1;
break;
case Direction.south:
zRange.end = zRange.start + 1;
break;
case Direction.east:
xRange.start = xRange.end - 1;
break;
case Direction.west:
xRange.end = xRange.start + 1;
break;
default:
throw new ArgumentException($"direction {dir} was not recognised");
}
for (int z = zRange.start; z < zRange.end; z++)
{
for (int y = yRange.start; y < yRange.end; y++)
{
for (int x = xRange.start; x < xRange.end; x++)
{
yield return(new Vector3Int(x, y, z));
}
}
}
}
/// <summary>
/// Flatten a mesh definition into the working lists
/// </summary>
/// <param name="def"></param>
/// <param name="allMeshNodesList"></param>
/// <param name="nodesUsedByFacesList"></param>
/// <param name="allRelativeTrianglesList"></param>
/// <param name="relativeTrianglesByFacesList"></param>
/// <param name="isFaceSolidList"></param>
private static void Flatten(SOMeshDefinition def,
List <Node> allMeshNodesList,
List <StartEndRange> nodesUsedByFacesList,
List <int> allRelativeTrianglesList,
List <StartEndRange> relativeTrianglesByFacesList,
List <bool> isFaceSolidList
)
{
for (int i = 0; i < def.Faces.Length; i++)
{
var faceDef = def.Faces[i];
isFaceSolidList.Add(faceDef.isSolid);
StartEndRange nodesUsedIndexers = new StartEndRange();
nodesUsedIndexers.start = allMeshNodesList.Count;
//Add all used nodes
for (int j = 0; j < faceDef.UsedVertices.Length; j++)
{
Node node = new Node()
{
vertex = def.AllVertices[faceDef.UsedVertices[j]],
uv = def.AllUvs[faceDef.UsedUvs[j]],
normal = def.AllNormals[faceDef.UsedNormals[j]]
};
allMeshNodesList.Add(node);
}
nodesUsedIndexers.end = allMeshNodesList.Count;
nodesUsedByFacesList.Add(nodesUsedIndexers);
StartEndRange trianglesIndexers = new StartEndRange();
trianglesIndexers.start = allRelativeTrianglesList.Count;
//Add all relative triangles
for (int j = 0; j < faceDef.Triangles.Length; j++)
{
allRelativeTrianglesList.Add(faceDef.Triangles[j]);
}
trianglesIndexers.end = allRelativeTrianglesList.Count;
relativeTrianglesByFacesList.Add(trianglesIndexers);
}
}
public NativeBiomeDatabase ConfigToNative(SOBiomeConfiguration config, VoxelTypeManager typeManager)
{
List <NativeVoxelRange> allLayersList = new List <NativeVoxelRange>();
List <StartEndRange> biomeLayersList = new List <StartEndRange>();
List <NativeBiomeMoistureDefinition> allMoistureDefsList = new List <NativeBiomeMoistureDefinition>();
List <NativeElevationZone> allElevationZonesList = new List <NativeElevationZone>();
foreach (var elevationEntry in config.elevationLowToHigh)
{
NativeElevationZone elevationZone = new NativeElevationZone();
elevationZone.maxElevationPercentage = elevationEntry.max;
elevationZone.moistureLevels = new StartEndRange()
{
start = allMoistureDefsList.Count
};
foreach (var moistureEntry in elevationEntry.moistureLevelsLowToHigh)
{
NativeBiomeMoistureDefinition moistureDef = new NativeBiomeMoistureDefinition();
moistureDef.maxMoisturePercentage = moistureEntry.max;
if (!biomeIds.TryGetValue(moistureEntry.biomeDefinition, out var id))
{
//Create new biome data
id = biomeLayersList.Count;
biomeIds.Add(moistureEntry.biomeDefinition, id);
biomeDefinitionsById.Add(moistureEntry.biomeDefinition);
Assert.IsTrue(moistureEntry.biomeDefinition.topLayers.Count > 0, $"All biome definitions must have at least one layer,{moistureEntry.biomeDefinition.name} does not");
StartEndRange layersForThisBiome = new StartEndRange()
{
start = allLayersList.Count
};
foreach (var layer in moistureEntry.biomeDefinition.topLayers)
{
NativeVoxelRange nativeLayer = new NativeVoxelRange();
nativeLayer.depth = layer.depth;
nativeLayer.voxelID = typeManager.GetId(layer.voxelType);
allLayersList.Add(nativeLayer);
}
layersForThisBiome.end = allLayersList.Count;
biomeLayersList.Add(layersForThisBiome);
}
moistureDef.biomeID = id;
allMoistureDefsList.Add(moistureDef);
}
elevationZone.moistureLevels.end = allMoistureDefsList.Count;
allElevationZonesList.Add(elevationZone);
}
NativeBiomeDatabase biomeDatabase = new NativeBiomeDatabase();
VoxelTypeID defaultVoxelType = new VoxelTypeID(VoxelTypeID.AIR_ID);
if (config.defaultVoxelType != null)
{
defaultVoxelType = typeManager.GetId(config.defaultVoxelType);
}
biomeDatabase.defaultVoxelType = defaultVoxelType;
biomeDatabase.allLayers = new NativeArray <NativeVoxelRange>(allLayersList.ToArray(), Allocator.Persistent);
biomeDatabase.biomeLayers = new NativeArray <StartEndRange>(biomeLayersList.ToArray(), Allocator.Persistent);
biomeDatabase.allMoistureDefs = new NativeArray <NativeBiomeMoistureDefinition>(allMoistureDefsList.ToArray(), Allocator.Persistent);
biomeDatabase.allElevationZones = new NativeArray <NativeElevationZone>(allElevationZonesList.ToArray(), Allocator.Persistent);
return(biomeDatabase);
}
/// <summary>
/// Compute lighting contributions from the borders of all (valid) neighbouring chunks
/// </summary>
private void CheckBoundaries()
{
for (int i = 0; i < data.directionVectors.Length; i++)
{
Direction dir = (Direction)i;
if (data.directionsValid[(int)dir])
{
var offset = data.directionVectors[i];
StartEndRange xRange = new StartEndRange()
{
start = 0, end = data.dimensions.x
};
StartEndRange yRange = new StartEndRange()
{
start = 0, end = data.dimensions.y
};
StartEndRange zRange = new StartEndRange()
{
start = 0, end = data.dimensions.z
};
switch (dir)
{
case Direction.up:
yRange.start = yRange.end - 1;
break;
case Direction.down:
yRange.end = yRange.start + 1;
break;
case Direction.north:
zRange.start = zRange.end - 1;
break;
case Direction.south:
zRange.end = zRange.start + 1;
break;
case Direction.east:
xRange.start = xRange.end - 1;
break;
case Direction.west:
xRange.end = xRange.start + 1;
break;
default:
throw new ArgumentException($"direction {dir} was not recognised");
}
for (int z = zRange.start; z < zRange.end; z++)
{
for (int y = yRange.start; y < yRange.end; y++)
{
for (int x = xRange.start; x < xRange.end; x++)
{
var localPos = new int3(x, y, z);
var localFlat = MultiIndexToFlat(localPos, dx, dxdy);
var localLv = data.lights[localFlat];
var neighPos = localPos + offset;
var neighLv = GetLightValue(neighPos, data.lights, data.dimensions, data.neighbourData);
var voxel = data.voxels[localFlat];
var absorption = data.voxelTypeToAbsorptionMap[voxel];
//Check dynamic propagation
if (neighLv.Dynamic > 1)
{
var next = neighLv.Dynamic - absorption;
if (next > localLv.Dynamic)
{
localLv.Dynamic = next;
dynamicPropagationQueue.Enqueue(localPos);
}
}
//Check sun propagation
if (neighLv.Sun > 1)
{
var sunlight = neighLv.Sun;
if (absorption < LightValue.MaxIntensity && sunlight > 1)
{
if ((offset.y == 1) && absorption == 1 && sunlight == LightValue.MaxIntensity)
{
//Do nothing, sunlight preserved going downwards
}
else
{
sunlight -= absorption;
}
if (sunlight > localLv.Sun)
{
localLv.Sun = sunlight;
sunlightPropagationQueue.Enqueue(localPos);
}
}
}
data.lights[localFlat] = localLv;
}
}
}
}
}
}
public NativeArray <LightValue> BorderToNativeLight(Direction dir, Allocator allocator = Allocator.Persistent)
{
StartEndRange xRange = new StartEndRange()
{
start = 0, end = Dimensions.x
};
StartEndRange yRange = new StartEndRange()
{
start = 0, end = Dimensions.y
};
StartEndRange zRange = new StartEndRange()
{
start = 0, end = Dimensions.z
};
switch (dir)
{
case Direction.up:
yRange.start = yRange.end - 1;
break;
case Direction.down:
yRange.end = yRange.start + 1;
break;
case Direction.north:
zRange.start = zRange.end - 1;
break;
case Direction.south:
zRange.end = zRange.start + 1;
break;
case Direction.east:
xRange.start = xRange.end - 1;
break;
case Direction.west:
xRange.end = xRange.start + 1;
break;
default:
throw new ArgumentException($"direction {dir} was not recognised");
}
NativeArray <LightValue> lightData = new NativeArray <LightValue>(xRange.Length * yRange.Length * zRange.Length, allocator);
int i = 0;
for (int z = zRange.start; z < zRange.end; z++)
{
for (int y = yRange.start; y < yRange.end; y++)
{
for (int x = xRange.start; x < xRange.end; x++)
{
lightData[i] = lightChunk[x, y, z];
i++;
}
}
}
return(lightData);
}
