private static void GenerateHangingCornerFringe(
RawPrimitive Into,
Geo.TemplateFace Face,
TerrainTileSheet TileSheet,
SliceCache Cache,
GrassType decalType,
Geo.TemplateCorner Corner,
Vector3 Sag)
{
var vertex = Cache.FaceGeometry[Corner.Vertex];
Cache.TempVerticies[0] = new ExtendedVertex(
vertex.Position,
vertex.Color, vertex.VertColor,
TileSheet.MapTileUVs(new Vector2(0.0f, 0.0f), decalType.FringeTiles[2]), TileSheet.GetTileBounds(decalType.FringeTiles[2]));
Cache.TempVerticies[1] = new ExtendedVertex(
Cache.EdgeFringeTempVerticies[Corner.EdgeA].Set ? Cache.EdgeFringeTempVerticies[Corner.EdgeA].End :
(vertex.Position
+ OrientationHelper.GetFaceNeighborOffset(Face.Edges[Corner.EdgeA].Orientation).AsVector3() * 0.5f
+ Sag),
vertex.Color, vertex.VertColor,
TileSheet.MapTileUVs(new Vector2(0.5f, 0.0f), decalType.FringeTiles[2]), TileSheet.GetTileBounds(decalType.FringeTiles[2]));
Cache.TempVerticies[2] = new ExtendedVertex(
vertex.Position
+ OrientationHelper.GetFaceNeighborOffset(Face.Edges[Corner.EdgeA].Orientation).AsVector3() * 0.5f
+ OrientationHelper.GetFaceNeighborOffset(Face.Edges[Corner.EdgeB].Orientation).AsVector3() * 0.5f
+ Sag,
vertex.Color, vertex.VertColor,
TileSheet.MapTileUVs(new Vector2(0.5f, 0.5f), decalType.FringeTiles[2]), TileSheet.GetTileBounds(decalType.FringeTiles[2]));
Cache.TempVerticies[3] = new ExtendedVertex(
Cache.EdgeFringeTempVerticies[Corner.EdgeB].Set ? Cache.EdgeFringeTempVerticies[Corner.EdgeB].Start :
(vertex.Position
+ OrientationHelper.GetFaceNeighborOffset(Face.Edges[Corner.EdgeB].Orientation).AsVector3() * 0.5f
+ Sag),
vertex.Color, vertex.VertColor,
TileSheet.MapTileUVs(new Vector2(0.0f, 0.5f), decalType.FringeTiles[2]), TileSheet.GetTileBounds(decalType.FringeTiles[2]));
AddQuad(Into, Cache.TempVerticies, QuadIndicies);
}
private static void GenerateEdgeFringe(
RawPrimitive Into,
Geo.TemplateFace Face,
int EdgeIndex,
TerrainTileSheet TileSheet,
SliceCache Cache,
GrassType decalType,
Vector3 Sag,
float Scale)
{
var start = Cache.FaceGeometry[Face.Edges[EdgeIndex].Start];
var end = Cache.FaceGeometry[Face.Edges[EdgeIndex].End];
Cache.EdgeFringeTempVerticies[EdgeIndex].Set = true;
Cache.TempVerticies[0] = new ExtendedVertex(
start.Position,
start.Color, start.VertColor,
TileSheet.MapTileUVs(new Vector2(0.0f, 0.0f), decalType.FringeTiles[0]), TileSheet.GetTileBounds(decalType.FringeTiles[0]));
Cache.TempVerticies[1] = new ExtendedVertex(
end.Position,
end.Color, end.VertColor,
TileSheet.MapTileUVs(new Vector2(1.0f, 0.0f), decalType.FringeTiles[0]), TileSheet.GetTileBounds(decalType.FringeTiles[0]));
Cache.EdgeFringeTempVerticies[EdgeIndex].End = end.Position + OrientationHelper.GetFaceNeighborOffset(Face.Edges[EdgeIndex].Orientation).AsVector3() * Scale + Sag;
Cache.TempVerticies[2] = new ExtendedVertex(
Cache.EdgeFringeTempVerticies[EdgeIndex].End,
end.Color, end.VertColor,
TileSheet.MapTileUVs(new Vector2(1.0f, 0.5f), decalType.FringeTiles[0]), TileSheet.GetTileBounds(decalType.FringeTiles[0]));
Cache.EdgeFringeTempVerticies[EdgeIndex].Start = start.Position + OrientationHelper.GetFaceNeighborOffset(Face.Edges[EdgeIndex].Orientation).AsVector3() * Scale + Sag;
Cache.TempVerticies[3] = new ExtendedVertex(
Cache.EdgeFringeTempVerticies[EdgeIndex].Start,
start.Color, start.VertColor,
TileSheet.MapTileUVs(new Vector2(0.0f, 0.5f), decalType.FringeTiles[0]), TileSheet.GetTileBounds(decalType.FringeTiles[0]));
AddQuad(Into, Cache.TempVerticies, QuadIndicies);
}
private static void PrepVerticies(
WorldManager World,
VoxelHandle Voxel,
Geo.TemplateFace Face,
SliceCache Cache,
int ExploredVertexCount,
TerrainTileSheet TileSheet,
Point Tile,
bool ApplyLighting,
float explodeOffset)
{
for (var vertex = 0; vertex < Face.Mesh.VertexCount; ++vertex) // Blows up if face has more than 4 verticies.
{
var lighting = new VertexLighting.VertexColorInfo {
AmbientColor = 255, DynamicColor = 255, SunColor = 255
};
if (ApplyLighting)
{
lighting = VertexLighting.CalculateVertexLight(Voxel, Face.Mesh.Verticies[vertex].LogicalVertex, World.ChunkManager, Cache);
}
var slopeOffset = Vector3.Zero;
if (Face.Mesh.Verticies[vertex].ApplySlope && ShouldSlope(Face.Mesh.Verticies[vertex].LogicalVertex, Voxel))
{
slopeOffset = new Vector3(0.0f, -0.5f, 0.0f);
}
var voxelPosition = Face.Mesh.Verticies[vertex].Position + slopeOffset + Voxel.WorldPosition;
voxelPosition += VertexNoise.GetNoiseVectorFromRepeatingTexture(voxelPosition);
voxelPosition += explodeOffset * OrientationHelper.GetFaceNeighborOffset(Face.Orientation).AsVector3();
if (ExploredVertexCount == 0)
{
Cache.FaceGeometry[vertex] = new ExtendedVertex
{
Position = voxelPosition,
TextureCoordinate = TileSheet.MapTileUVs(Face.Mesh.Verticies[vertex].TextureCoordinate, BlackTile),
TextureBounds = TileSheet.GetTileBounds(BlackTile),
VertColor = new Color(0.0f, 0.0f, 0.0f, 1.0f),
Color = new Color(0.0f, 0.0f, 0.0f, 1.0f)
};
}
else
{
var anyNeighborExplored = true;
if (!Cache.ExploredCache.TryGetValue(SliceCache.GetCacheKey(Voxel, Face.Mesh.Verticies[vertex].LogicalVertex), out anyNeighborExplored))
{
anyNeighborExplored = true;
}
Cache.FaceGeometry[vertex] = new ExtendedVertex
{
Position = voxelPosition,
TextureCoordinate = TileSheet.MapTileUVs(Face.Mesh.Verticies[vertex].TextureCoordinate, Tile),
TextureBounds = TileSheet.GetTileBounds(Tile),
VertColor = anyNeighborExplored ? new Color(1.0f, 1.0f, 1.0f, 1.0f) : new Color(0.0f, 0.0f, 0.0f, 1.0f),
Color = lighting.AsColor()
};
}
}
}