// vertices in order: top right, bottom right, bottom left, top left
public TerrainVertex(IntVector3 p0, IntVector3 p1, IntVector3 p2, IntVector3 p3,
int occ0, int occ1, int occ2, int occ3, FaceTexture tex, byte sliceHack = 0)
{
// last bytes of positions are unused
this.Position0 = new Byte4(p3.X, p3.Y, p3.Z, 0);
this.Position1 = new Byte4(p0.X, p0.Y, p0.Z, 0);
this.Position2 = new Byte4(p2.X, p2.Y, p2.Z, 0);
this.Position3 = new Byte4(p1.X, p1.Y, p1.Z, 0);
this.Occlusion = new SByte4(occ3, occ0, occ2, occ1);
this.TexPack = new Byte4((byte)0, (byte)tex.Symbol1, (byte)tex.Symbol2, sliceHack);
this.ColorPack = new Byte4((byte)tex.Color0, (byte)tex.Color1, (byte)tex.Color2, (byte)0);
}
// vertices in order: top right, bottom right, bottom left, top left
public TerrainVertex(IntVector3 p0, IntVector3 p1, IntVector3 p2, IntVector3 p3,
int occ0, int occ1, int occ2, int occ3, FaceTexture tex, byte sliceHack = 0)
{
// last bytes of positions are unused
this.Position0 = new Byte4(p3.X, p3.Y, p3.Z, 0);
this.Position1 = new Byte4(p0.X, p0.Y, p0.Z, 0);
this.Position2 = new Byte4(p2.X, p2.Y, p2.Z, 0);
this.Position3 = new Byte4(p1.X, p1.Y, p1.Z, 0);
this.Occlusion = new SByte4(occ3, occ0, occ2, occ1);
this.TexPack = new Byte4((byte)0, (byte)tex.Symbol1, (byte)tex.Symbol2, sliceHack);
this.ColorPack = new Byte4((byte)tex.Color0, (byte)tex.Color1, (byte)tex.Color2, (byte)0);
}
void CreateCube(IntVector3 p, Direction visibleFaces,
ref FaceTexture baseTexture, ref FaceTexture topTexture, VertexList <TerrainVertex> vertexList,
Direction sliceFaces)
{
var offset = p - this.ChunkOffset;
int sides = (int)visibleFaces;
for (int side = 0; side < 6 && sides != 0; ++side, sides >>= 1)
{
if ((sides & 1) == 0)
{
continue;
}
var vertices = s_cubeFaceInfo[side].Vertices;
IntVector3 v0, v1, v2, v3;
v0 = vertices[0] + offset;
v1 = vertices[1] + offset;
v2 = vertices[2] + offset;
v3 = vertices[3] + offset;
Direction dir = (Direction)(1 << side);
bool isSliceFace = (sliceFaces & dir) != 0;
int occ0, occ1, occ2, occ3;
if (isSliceFace)
{
occ0 = occ1 = occ2 = occ3 = 0;
}
else
{
GetOcclusionsForFace(p, (DirectionOrdinal)side,
out occ0, out occ1, out occ2, out occ3);
}
var tex = side == (int)DirectionOrdinal.PositiveZ ? topTexture : baseTexture;
byte sliceHack = isSliceFace ? (byte)1 : (byte)0;
var vd = new TerrainVertex(v0, v1, v2, v3, occ0, occ1, occ2, occ3,
tex, sliceHack);
vertexList.Add(vd);
}
}
void GetTextures(IntVector3 p, ref Voxel vox, out FaceTexture baseTexture, out FaceTexture topTexture,
Direction sliceFaces)
{
var td = m_map.GetTileData(p);
baseTexture = new FaceTexture();
topTexture = new FaceTexture();
if (td.IsUndefined)
{
baseTexture = Chunk.UndefinedFaceTexture;
topTexture = baseTexture;
return;
}
if (td.WaterLevel > 0)
{
baseTexture.Symbol1 = SymbolID.Water;
baseTexture.Color0 = GameColor.MediumBlue;
baseTexture.Color1 = GameColor.SeaGreen;
topTexture = baseTexture;
return;
}
switch (td.ID)
{
case TileID.NaturalWall:
var matInfo = Materials.GetMaterial(td.MaterialID);
var color = matInfo.Color;
baseTexture.Color0 = GameColor.None;
baseTexture.Symbol1 = SymbolID.Wall;
baseTexture.Color1 = color;
var secondaryMatInfo = Materials.GetMaterial(td.SecondaryMaterialID);
switch (secondaryMatInfo.Category)
{
case MaterialCategory.Gem:
baseTexture.Symbol2 = SymbolID.GemOre;
baseTexture.Color2 = secondaryMatInfo.Color;
break;
case MaterialCategory.Mineral:
baseTexture.Symbol2 = SymbolID.ValuableOre;
baseTexture.Color2 = secondaryMatInfo.Color;
break;
default:
break;
}
// If the top face of the tile is visible, and it's not the slice level, we have a "floor"
if ((sliceFaces & Direction.Up) == 0 && (vox.VisibleFaces & Direction.PositiveZ) != 0)
{
if (m_map.Contains(p.Up) && m_map.GetTileData(p.Up).IsGreen)
{
var tdUp = m_map.GetTileData(p.Up);
var matInfoUp = Materials.GetMaterial(tdUp.MaterialID);
SymbolID symbol;
switch (matInfoUp.ID)
{
case MaterialID.ReedGrass:
symbol = SymbolID.Grass4;
break;
case MaterialID.RyeGrass:
symbol = SymbolID.Grass2;
break;
case MaterialID.MeadowGrass:
symbol = SymbolID.Grass3;
break;
case MaterialID.HairGrass:
symbol = SymbolID.Grass;
break;
default:
symbol = SymbolID.Undefined;
break;
}
topTexture.Color0 = GameColor.Green;
topTexture.Symbol1 = symbol;
topTexture.Color1 = GameColor.Green;
}
else if (matInfo.Category == MaterialCategory.Soil)
{
topTexture.Color0 = color;
topTexture.Symbol1 = SymbolID.Sand;
topTexture.Color1 = color;
}
else
{
topTexture.Color0 = color;
topTexture.Symbol1 = SymbolID.Floor;
topTexture.Color1 = color;
}
//floorTile.BgColor = GetTerrainBackgroundColor(matInfoDown);
}
else
{
topTexture = baseTexture;
}
return;
case TileID.Stairs:
baseTexture.Symbol1 = SymbolID.StairsDown;
baseTexture.Color1 = GameColor.Red;
topTexture = baseTexture;
return;
default:
throw new Exception();
}
}
void CreateCube(IntVector3 p, Direction visibleFaces,
ref FaceTexture baseTexture, ref FaceTexture topTexture, VertexList<TerrainVertex> vertexList,
Direction sliceFaces)
{
var offset = p - this.ChunkOffset;
int sides = (int)visibleFaces;
for (int side = 0; side < 6 && sides != 0; ++side, sides >>= 1)
{
if ((sides & 1) == 0)
continue;
var vertices = s_cubeFaceInfo[side].Vertices;
IntVector3 v0, v1, v2, v3;
v0 = vertices[0] + offset;
v1 = vertices[1] + offset;
v2 = vertices[2] + offset;
v3 = vertices[3] + offset;
Direction dir = (Direction)(1 << side);
bool isSliceFace = (sliceFaces & dir) != 0;
int occ0, occ1, occ2, occ3;
if (isSliceFace)
{
occ0 = occ1 = occ2 = occ3 = 0;
}
else
{
GetOcclusionsForFace(p, (DirectionOrdinal)side,
out occ0, out occ1, out occ2, out occ3);
}
var tex = side == (int)DirectionOrdinal.PositiveZ ? topTexture : baseTexture;
byte sliceHack = isSliceFace ? (byte)1 : (byte)0;
var vd = new TerrainVertex(v0, v1, v2, v3, occ0, occ1, occ2, occ3,
tex, sliceHack);
vertexList.Add(vd);
}
}
void GetTextures(IntVector3 p, ref Voxel vox, out FaceTexture baseTexture, out FaceTexture topTexture,
Direction sliceFaces)
{
var td = m_map.GetTileData(p);
baseTexture = new FaceTexture();
topTexture = new FaceTexture();
if (td.IsUndefined)
{
baseTexture = Chunk.UndefinedFaceTexture;
topTexture = baseTexture;
return;
}
if (td.WaterLevel > 0)
{
baseTexture.Symbol1 = SymbolID.Water;
baseTexture.Color0 = GameColor.MediumBlue;
baseTexture.Color1 = GameColor.SeaGreen;
topTexture = baseTexture;
return;
}
switch (td.ID)
{
case TileID.NaturalWall:
var matInfo = Materials.GetMaterial(td.MaterialID);
var color = matInfo.Color;
baseTexture.Color0 = GameColor.None;
baseTexture.Symbol1 = SymbolID.Wall;
baseTexture.Color1 = color;
var secondaryMatInfo = Materials.GetMaterial(td.SecondaryMaterialID);
switch (secondaryMatInfo.Category)
{
case MaterialCategory.Gem:
baseTexture.Symbol2 = SymbolID.GemOre;
baseTexture.Color2 = secondaryMatInfo.Color;
break;
case MaterialCategory.Mineral:
baseTexture.Symbol2 = SymbolID.ValuableOre;
baseTexture.Color2 = secondaryMatInfo.Color;
break;
default:
break;
}
// If the top face of the tile is visible, and it's not the slice level, we have a "floor"
if ((sliceFaces & Direction.Up) == 0 && (vox.VisibleFaces & Direction.PositiveZ) != 0)
{
if (m_map.Contains(p.Up) && m_map.GetTileData(p.Up).IsGreen)
{
var tdUp = m_map.GetTileData(p.Up);
var matInfoUp = Materials.GetMaterial(tdUp.MaterialID);
SymbolID symbol;
switch (matInfoUp.ID)
{
case MaterialID.ReedGrass:
symbol = SymbolID.Grass4;
break;
case MaterialID.RyeGrass:
symbol = SymbolID.Grass2;
break;
case MaterialID.MeadowGrass:
symbol = SymbolID.Grass3;
break;
case MaterialID.HairGrass:
symbol = SymbolID.Grass;
break;
default:
symbol = SymbolID.Undefined;
break;
}
topTexture.Color0 = GameColor.Green;
topTexture.Symbol1 = symbol;
topTexture.Color1 = GameColor.Green;
}
else if (matInfo.Category == MaterialCategory.Soil)
{
topTexture.Color0 = color;
topTexture.Symbol1 = SymbolID.Sand;
topTexture.Color1 = color;
}
else
{
topTexture.Color0 = color;
topTexture.Symbol1 = SymbolID.Floor;
topTexture.Color1 = color;
}
//floorTile.BgColor = GetTerrainBackgroundColor(matInfoDown);
}
else
{
topTexture = baseTexture;
}
return;
case TileID.Stairs:
baseTexture.Symbol1 = SymbolID.StairsDown;
baseTexture.Color1 = GameColor.Red;
topTexture = baseTexture;
return;
default:
throw new Exception();
}
}
void CreateUndefinedChunk(ref IntGrid3 viewGrid, ref IntGrid3 chunkGrid, VertexList <TerrainVertex> vertexList,
Direction visibleChunkFaces)
{
// Faces that are visible due to viewgrid
Direction sliceFaces = GetGridSliceDirections(ref chunkGrid, ref viewGrid) & visibleChunkFaces;
// Only faces revealed by viewgrid are visible
Direction visibleFaces = sliceFaces;
if (visibleFaces == 0)
{
return;
}
int sides = (int)visibleFaces;
FaceTexture tex = Chunk.UndefinedFaceTexture;
const int occlusion = 0;
var offset = chunkGrid.Corner1 - this.ChunkOffset;
var size = new IntVector3(chunkGrid.Size.Width, chunkGrid.Size.Height, chunkGrid.Size.Depth);
// All faces are revealed by viewgrid
byte sliceHack = (byte)1;
if (Chunk.UseBigUnknownChunk)
{
/* Note: Using chunk sized quads causes t-junction problems */
for (int side = 0; side < 6 && sides != 0; ++side, sides >>= 1)
{
if ((sides & 1) == 0)
{
continue;
}
var vertices = s_cubeFaceInfo[side].Vertices;
IntVector3 v0 = vertices[0] * size + offset;
IntVector3 v1 = vertices[1] * size + offset;
IntVector3 v2 = vertices[2] * size + offset;
IntVector3 v3 = vertices[3] * size + offset;
var vd = new TerrainVertex(v0, v1, v2, v3, occlusion, occlusion, occlusion, occlusion, tex, sliceHack);
vertexList.Add(vd);
}
}
else
{
for (int side = 0; side < 6 && sides != 0; ++side, sides >>= 1)
{
if ((sides & 1) == 0)
{
continue;
}
int d0 = side / 2;
int d1 = (d0 + 1) % 3;
int d2 = (d0 + 2) % 3;
bool posFace = (side & 1) == 1;
var vertices = s_cubeFaceInfo[side].Vertices;
IntVector3 v0 = vertices[0] + offset;
IntVector3 v1 = vertices[1] + offset;
IntVector3 v2 = vertices[2] + offset;
IntVector3 v3 = vertices[3] + offset;
var vec1 = new IntVector3();
vec1[d1] = 1;
var vec2 = new IntVector3();
vec2[d2] = 1;
for (int v = 0; v < size[d1]; ++v)
{
for (int u = 0; u < size[d2]; ++u)
{
var off = vec1 * v + vec2 * u;
if (posFace)
{
off[d0] = size[d0] - 1;
}
var vd = new TerrainVertex(v0 + off, v1 + off, v2 + off, v3 + off,
occlusion, occlusion, occlusion, occlusion, tex, sliceHack);
vertexList.Add(vd);
}
}
}
}
}
