public override void ProcessHeights(TerrainWrapper wrapper, LayerBase baseLayer, int stencilKey)
{
var layer = baseLayer as MMTerrainLayer;
if (layer == null)
{
Debug.LogWarning(string.Format("Attempted to write {0} to incorrect layer type! Expected Layer {1} to be {2}, but it was {3}", name, baseLayer.name, GetLayerType(), baseLayer.GetType()), this);
return;
}
if (!Network || Configuration == null)
{
return;
}
var config = Configuration.GetConfig <Config>();
if (config == null)
{
Debug.LogError("Invalid configuration! Expected ConnectionTerrainHeightConfiguration");
return;
}
var terrain = wrapper.Terrain;
var terrainPos = wrapper.Terrain.GetPosition();
var terrainSize = wrapper.Terrain.terrainData.size;
var heightRes = terrain.terrainData.heightmapResolution;
var mainSpline = NodeConnection.GetSpline();
var radius = config.Radius;
var falloffCurve = config.Falloff;
var heightCurve = config.Height;
// Create bounds to encapsulate spline (axis aligned)
var bounds = mainSpline.GetApproximateBounds();
bounds.Expand(radius * 2 * Vector3.one);
// Create object bounds
var objectBounds = mainSpline.GetApproximateXZObjectBounds();
objectBounds.Expand(radius * 2 * Vector3.one);
objectBounds.Expand(Vector3.up * 10000);
// Early cull
var axisBounds = objectBounds.ToAxisBounds();
var terrainBounds = terrain.GetComponent <Collider>().bounds;
terrainBounds.Expand(Vector3.up * 10000);
if (!terrainBounds.Intersects(axisBounds))
{
return;
}
// Get matrix space min/max
var matrixMin = terrain.WorldToHeightmapCoord(bounds.min, TerrainX.RoundType.Floor) - Coord.One;
matrixMin = matrixMin.Clamp(0, heightRes);
var matrixMax = terrain.WorldToHeightmapCoord(bounds.max, TerrainX.RoundType.Ceil) + Coord.One;
matrixMax = matrixMax.Clamp(0, heightRes);
var xDelta = matrixMax.x - matrixMin.x;
var zDelta = matrixMax.z - matrixMin.z;
var floatArraySize = new Common.Coord(
Mathf.Min(xDelta, terrain.terrainData.heightmapResolution - matrixMin.x),
Mathf.Min(zDelta, terrain.terrainData.heightmapResolution - matrixMin.z));
float planeGive = (wrapper.Terrain.terrainData.size.x / wrapper.Terrain.terrainData.heightmapResolution) * 0;
Plane startPlane, endPlane;
GenerateSplinePlanes(planeGive, mainSpline, out startPlane, out endPlane);
var layerHeights = layer.GetHeights(matrixMin.x, matrixMin.z, floatArraySize.x, floatArraySize.z, heightRes) ??
new Serializable2DFloatArray(floatArraySize.x, floatArraySize.z);
stencilKey = GetStencilKey();
if (layer.Stencil == null || layer.Stencil.Width != heightRes || layer.Stencil.Height != heightRes)
{
layer.Stencil = new Stencil(heightRes, heightRes);
}
for (var dz = 0; dz < floatArraySize.z; ++dz)
{
for (var dx = 0; dx < floatArraySize.x; ++dx)
{
var coordX = matrixMin.x + dx;
var coordZ = matrixMin.z + dz;
var worldPos = terrain.HeightmapCoordToWorldPos(new Common.Coord(coordX, coordZ));
worldPos = new Vector3(worldPos.x, objectBounds.center.y, worldPos.z);
if (!terrain.ContainsPointXZ(worldPos) ||
!objectBounds.Contains(worldPos) ||
!GeometryExtensions.BetweenPlanes(worldPos, startPlane, endPlane))
{
// Cull if we're outside of the approx bounds
continue;
}
var uniformT = mainSpline.GetClosestUniformTimeOnSplineXZ(worldPos.xz()); // Expensive!
var closestOnSpline = mainSpline.GetUniformPointOnSpline(uniformT);
var normalizedFlatDistToSpline = (worldPos - closestOnSpline).xz().magnitude / (radius);
if (normalizedFlatDistToSpline >= 1)
{
continue;
}
var maskValue = Mathf.Clamp01(falloffCurve.Evaluate(normalizedFlatDistToSpline));
var heightDelta = heightCurve.Evaluate(normalizedFlatDistToSpline);
float existingStencilStrength;
int existingStencilKey;
MiscUtilities.DecompressStencil(layer.Stencil[coordX, coordZ], out existingStencilKey, out existingStencilStrength);
if (existingStencilKey != stencilKey &&
existingStencilKey > stencilKey &&
!(existingStencilStrength < maskValue && maskValue > 0))
{
continue;
}
// Refine our worldposition to be on the same XZ plane as the spline point
worldPos = new Vector3(worldPos.x, closestOnSpline.y, worldPos.z);
// Find the point on the spline closest to this given point
var naturalT = mainSpline.UniformToNaturalTime(uniformT);
// Get the upvec from the natural time
var up = mainSpline.GetUpVector(naturalT).normalized;
// Create a plane and cast against it
var plane = new Plane(up, closestOnSpline);
float dist = 0;
var castRay = new Ray(worldPos, Vector3.down);
plane.Raycast(castRay, out dist);
var castPoint = castRay.GetPoint(dist);
var heightAtPoint = (castPoint.y + heightDelta);
heightAtPoint -= terrainPos.y;
heightAtPoint /= terrainSize.y;
heightAtPoint = MiscUtilities.FloorToUshort(heightAtPoint);
var existingHeight = layerHeights[dx, dz];
var newHeight = Mathf.Lerp(existingHeight, heightAtPoint, Mathf.Clamp01(maskValue));
layerHeights[dx, dz] = newHeight;
var key = maskValue > existingStencilStrength ? stencilKey : existingStencilKey;
var newRawStencilValue = MiscUtilities.CompressStencil(key, /*stencilKey == existingStencilKey ?*/ Mathf.Max(maskValue, existingStencilStrength) /* : maskValue + existingStencilStrength*/);
//newRawStencilValue = MiscUtilities.CompressStencil(key, 1);
layer.Stencil[coordX, coordZ] = newRawStencilValue;
}
}
layer.SetHeights(matrixMin.x, matrixMin.z,
layerHeights, wrapper.Terrain.terrainData.heightmapResolution);
}
public override void ProcessVegetationStudio(TerrainWrapper wrapper, LayerBase baseLayer, int stencilKey)
{
var layer = baseLayer as MMTerrainLayer;
if (layer == null)
{
Debug.LogWarning(string.Format("Attempted to write {0} to incorrect layer type! Expected Layer {1} to be {2}, but it was {3}", name, baseLayer.name, GetLayerType(), baseLayer.GetType()), this);
return;
}
if (!Network)
{
Debug.LogError("Unable to find network! " + name, this);
return;
}
if (Configuration == null)
{
return;
}
var config = Configuration.GetConfig <Config>();
if (config == null)
{
Debug.LogError("Invalid configuration! Expected ConnectionTerrainHeightConfiguration");
return;
}
var mainSpline = NodeConnection.GetSpline();
var radius = config.InstanceRemoveDistance;
// Create bounds to encapsulate spline (axis aligned)
var bounds = mainSpline.GetApproximateBounds();
bounds.Expand(radius * 2 * Vector3.one);
// Create object bounds
var objectBounds = mainSpline.GetApproximateXZObjectBounds();
objectBounds.Expand(radius * 2 * Vector3.one);
objectBounds.Expand(Vector3.up * 10000);
var flatCullbounds = objectBounds.ToAxisBounds();
//DebugHelper.DrawCube(flatCullbounds.center, flatCullbounds.extents, Quaternion.identity, Color.yellow, 20);
//DebugHelper.DrawCube(objectBounds.center, objectBounds.extents, objectBounds.Rotation, Color.cyan, 20);
Plane startPlane, endPlane;
GenerateSplinePlanes(0, mainSpline, out startPlane, out endPlane);
var vsData = wrapper.GetCompoundVegetationStudioData(layer, true, flatCullbounds);
for (int i = vsData.Count - 1; i >= 0; i--)
{
var vsInstance = vsData[i];
if (config.IgnoredPrototypes.Contains(vsInstance.VSID))
{
continue;
}
var wPos = wrapper.Terrain.TreeToWorldPos(vsInstance.Position);
if (!objectBounds.Contains(wPos) || !GeometryExtensions.BetweenPlanes(wPos, startPlane, endPlane))
{
continue;
}
var ut = mainSpline.GetClosestUniformTimeOnSplineXZ(wPos.xz());
var splinePos = mainSpline.GetUniformPointOnSpline(ut);
var d = splinePos.xz() - wPos.xz();
if (d.sqrMagnitude < config.InstanceRemoveDistance * config.InstanceRemoveDistance && !layer.VSRemovals.Contains(vsInstance.Guid))
{
layer.VSRemovals.Add(vsInstance.Guid);
//DebugHelper.DrawPoint(wPos, .5f, Color.red, 20);
}
}
}
public override void ProcessSplats(TerrainWrapper wrapper, LayerBase baseLayer, int stencilKey)
{
var layer = baseLayer as MMTerrainLayer;
if (layer == null)
{
Debug.LogWarning(string.Format("Attempted to write {0} to incorrect layer type! Expected Layer {1} to be {2}, but it was {3}", name, baseLayer.name, GetLayerType(), baseLayer.GetType()), this);
return;
}
if (!Network || Configuration == null)
{
return;
}
var config = Configuration.GetConfig <Config>();
if (config == null)
{
Debug.LogError("Invalid configuration! Expected ConnectionTerrainHeightConfiguration");
return;
}
var terrain = wrapper.Terrain;
var splatRes = wrapper.Terrain.terrainData.alphamapResolution;
var mainSpline = NodeConnection.GetSpline();
var radius = config.Radius;
// Create bounds to encapsulate spline (axis aligned)
var bounds = mainSpline.GetApproximateBounds();
bounds.Expand(radius * 2 * Vector3.one);
// Create object bounds
var objectBounds = mainSpline.GetApproximateXZObjectBounds();
objectBounds.Expand(radius * 2 * Vector3.one);
objectBounds.Expand(Vector3.up * 10000);
// Early cull
var axisBounds = objectBounds.ToAxisBounds();
var terrainBounds = wrapper.Terrain.GetComponent <Collider>().bounds;
if (!terrainBounds.Intersects(axisBounds))
{
return;
}
float planeGive = -(wrapper.Terrain.terrainData.size.x / wrapper.Terrain.terrainData.alphamapResolution) * SplatOffset;
Plane startPlane, endPlane;
GenerateSplinePlanes(planeGive, mainSpline, out startPlane, out endPlane);
// Get matrix space min/max
var matrixMin = terrain.WorldToSplatCoord(bounds.min, TerrainX.RoundType.Floor);
var matrixMax = terrain.WorldToSplatCoord(bounds.max, TerrainX.RoundType.Ceil);
matrixMin = new Common.Coord(Mathf.Clamp(matrixMin.x, 0, terrain.terrainData.alphamapResolution), Mathf.Clamp(matrixMin.z, 0, terrain.terrainData.alphamapResolution));
matrixMax = new Common.Coord(Mathf.Clamp(matrixMax.x, 0, terrain.terrainData.alphamapResolution), Mathf.Clamp(matrixMax.z, 0, terrain.terrainData.alphamapResolution));
var floatArraySize = new Common.Coord(matrixMax.x - matrixMin.x, matrixMax.z - matrixMin.z);
// Get all the existing compound splats
var currentPrototypes = wrapper.GetCompoundSplatPrototypes(layer, true);
var baseData = layer.GetSplatMaps(matrixMin.x, matrixMin.z, floatArraySize.x, floatArraySize.z, splatRes);
stencilKey = GetStencilKey();
Serializable2DFloatArray thisPatchStencil = new Serializable2DFloatArray(floatArraySize.x,
floatArraySize.z);
foreach (var splatConfiguration in config.SplatConfigurations)
{
var splatPrototypeWrapper = splatConfiguration.SplatPrototype;
Serializable2DByteArray baseLayerSplat;
if (!baseData.TryGetValue(splatPrototypeWrapper, out baseLayerSplat))
{
baseLayerSplat = new Serializable2DByteArray(floatArraySize.x, floatArraySize.z);
baseData[splatPrototypeWrapper] = baseLayerSplat;
}
for (var dz = 0; dz < floatArraySize.z; ++dz)
{
for (var dx = 0; dx < floatArraySize.x; ++dx)
{
var coordX = matrixMin.x + dx;
var coordZ = matrixMin.z + dz;
var worldPos = terrain.SplatCoordToWorldPos(new Common.Coord(coordX, coordZ));
worldPos = new Vector3(worldPos.x, objectBounds.center.y, worldPos.z);
if (terrain.ContainsPointXZ(worldPos) &&
objectBounds.Contains(worldPos) &&
GeometryExtensions.BetweenPlanes(worldPos, startPlane, endPlane))
{
var uniformT = mainSpline.GetClosestUniformTimeOnSplineXZ(worldPos.xz()); // Expensive!
var closestOnSpline = mainSpline.GetUniformPointOnSpline(uniformT);
var normalizedFlatDistToSpline = (worldPos - closestOnSpline).xz().magnitude / (config.Radius);
if (normalizedFlatDistToSpline != Mathf.Clamp01(normalizedFlatDistToSpline))
{
continue;
}
var maskValue = config.SplatFalloff.Evaluate(normalizedFlatDistToSpline);
var writeFloatValue = splatConfiguration.SplatStrength * maskValue;
var writeValue = (byte)Mathf.RoundToInt(Mathf.Clamp(writeFloatValue * 255f, 0, 255));
var mainRead = baseLayerSplat[dx, dz];
var newVal = (byte)Mathf.Clamp(Mathf.Max(writeValue, mainRead), 0, 255);
var delta = newVal - mainRead;
if (delta < 1 / 255f)
{
continue;
}
foreach (var currentPrototype in currentPrototypes)
{
if (!baseData.ContainsKey(currentPrototype))
{
continue;
}
if (currentPrototype == splatPrototypeWrapper)
{
continue;
}
var otherSplatFloatValue = baseData[currentPrototype][dx, dz] / 255f;
var otherSplatFloatWriteVal = (otherSplatFloatValue * (1 - (delta / 255f)));
var write = (byte)Mathf.Clamp(Mathf.RoundToInt(otherSplatFloatWriteVal * 255), 0, 255);
baseData[currentPrototype][dx, dz] = write;
}
//DebugHelper.DrawPoint(worldPos, 1, Color.red, 10);
baseLayerSplat[dx, dz] = newVal;
layer.Stencil[coordX, coordZ] = MiscUtilities.CompressStencil(stencilKey, 1);
thisPatchStencil[dx, dz] = 1;
}
else
{
thisPatchStencil[dx, dz] = 0;
}
}
}
}
foreach (var existingSplatPrototype in baseData)
{
var splat = existingSplatPrototype.Key;
var data = existingSplatPrototype.Value;
layer.SetSplatmap(splat, matrixMin.x, matrixMin.z, data, wrapper.Terrain.terrainData.alphamapResolution, thisPatchStencil);
}
}