public override List<CustomBlockData> GenerateModel(byte metadata, BlockData me, BlockData Xpos, BlockData Xneg, BlockData Ypos, BlockData Yneg, BlockData Zpos, BlockData Zneg, BlockSource source, Point3 blockPosition)
{
bool upsideDown = IsUpsideDown(metadata);
List<BoundingBox> boxesToExport = new List<BoundingBox>();
byte direction = GetType(metadata);
float bottomBasePos = (upsideDown ? 0.5f : 0f);
float topBasePos = (upsideDown ? 0f : 0.5f);
boxesToExport.Add(new BoundingBox(new Vector3(0, bottomBasePos, 0), new Vector3(1, bottomBasePos + 0.5f, 1)));
//Collect data from environment
Vector3 descendingDir = MetaToDirection(direction);
Vector3 rightFloatDir = Vector3.TransformNormal(descendingDir, Matrix.CreateRotationY((float)Math.PI / 2));
rightFloatDir.X = (float)Math.Round(rightFloatDir.X, 4); rightFloatDir.Z = (float)Math.Round(rightFloatDir.Z, 4); //Fix small numbers
Point3 facingDir = descendingDir.ToPoint3();
Point3 rightDir = rightFloatDir.ToPoint3();
BlockData frontBlock = source.GetData(blockPosition + facingDir);
BlockData backBlock = source.GetData(blockPosition - facingDir);
BlockData rightBlock = source.GetData(blockPosition + rightDir);
BlockData leftBlock = source.GetData(blockPosition - rightDir);
bool renderBaseStep = true;
int littleCornerModel = -1;
//Check if we need to make a corner
{
if (IsStairs(frontBlock))
{
if (IsLeft(me.Metadata, frontBlock.Metadata))
{
bool leftOk = (IsStairs(leftBlock) && me.Metadata == leftBlock.Metadata);
bool rightOk = (IsStairs(rightBlock) && me.Metadata == rightBlock.Metadata);
if ((leftOk && !rightOk) || (!leftOk && rightOk))
{
int frontLittleStep = -1;
{
Point3 frontPos = blockPosition + facingDir;
BlockData me2 = source.GetData(frontPos);
byte direction2 = GetType(me2.Metadata);
Vector3 descendingDir2 = MetaToDirection(direction2);
Vector3 rightFloatDir2 = Vector3.TransformNormal(descendingDir2, Matrix.CreateRotationY((float)Math.PI / 2));
rightFloatDir2.X = (float)Math.Round(rightFloatDir2.X, 4); rightFloatDir2.Z = (float)Math.Round(rightFloatDir2.Z, 4); //Fix small numbers
Point3 facingDir2 = descendingDir2.ToPoint3();
Point3 rightDir2 = rightFloatDir2.ToPoint3();
BlockData backBlock2 = source.GetData(frontPos - facingDir2);
BlockData rightBlock2 = source.GetData(frontPos + rightDir2);
BlockData leftBlock2 = source.GetData(frontPos - rightDir2);
frontLittleStep = CheckLittleCorner(me2, backBlock2, leftBlock2, rightBlock2, direction2);
}
if (frontLittleStep == -1)
{
switch (direction)
{
case 0:
if (leftOk)
littleCornerModel = 2;
else
littleCornerModel = 1;
break;
case 1:
if (leftOk)
littleCornerModel = 0;
else
littleCornerModel = 3;
break;
case 2:
if (leftOk)
littleCornerModel = 1;
else
littleCornerModel = 0;
break;
case 3:
if (leftOk)
littleCornerModel = 3;
else
littleCornerModel = 2;
break;
}
}
}
}
}
}
//Check if we need to make a small corner
if (littleCornerModel == -1) //It's not a corner so maybe..
{
littleCornerModel = CheckLittleCorner(me, backBlock, leftBlock, rightBlock, direction);
renderBaseStep = (littleCornerModel == -1);
}
if (littleCornerModel != -1)
{
switch (littleCornerModel)
{
case 0:
boxesToExport.Add(new BoundingBox(new Vector3(.5f, topBasePos, 0), new Vector3(1f, topBasePos + 0.5f, .5f)));
break;
case 1:
boxesToExport.Add(new BoundingBox(new Vector3(0, topBasePos, 0), new Vector3(.5f, topBasePos + 0.5f, .5f)));
break;
case 2:
boxesToExport.Add(new BoundingBox(new Vector3(0, topBasePos, 0.5f), new Vector3(.5f, topBasePos + 0.5f, 1)));
break;
case 3:
boxesToExport.Add(new BoundingBox(new Vector3(.5f, topBasePos, .5f), new Vector3(1f, topBasePos + 0.5f, 1f)));
break;
}
}
if (renderBaseStep)
{
switch (direction) //Ascending...
{
case 0: //east = +X
boxesToExport.Add(new BoundingBox(new Vector3(.5f, topBasePos, 0), new Vector3(1f, topBasePos + 0.5f, 1)));
break;
case 1: //west = -X
boxesToExport.Add(new BoundingBox(new Vector3(0, topBasePos, 0), new Vector3(.5f, topBasePos + 0.5f, 1)));
break;
case 2: //south = +Z
boxesToExport.Add(new BoundingBox(new Vector3(0, topBasePos, 0.5f), new Vector3(1f, topBasePos + 0.5f, 1)));
break;
case 3: //north = -Z
boxesToExport.Add(new BoundingBox(new Vector3(0, topBasePos, 0), new Vector3(1f, topBasePos + 0.5f, .5f)));
break;
}
}
return GeometryGenerator.GenerateModel(boxesToExport, source, blockPosition, true, this);
}
/// <summary>
/// Can build side: Input1: Block at side, Input2: Base block
/// </summary>
public static List<CustomBlockData> GenerateModel(List<BoundingBox> boxes, BlockSource source, Point3 blockPos, bool removeCoveredFaces, IGeometryGeneratorSource i)
{
BlockData currentBlock = source.GetData(blockPos);
Vector3[] norms = new Vector3[] { new Vector3(1, 0, 0), new Vector3(-1, 0, 0), new Vector3(0, 1, 0), new Vector3(0, -1, 0), new Vector3(0, 0, 1), new Vector3(0, 0, -1) };
Dictionary<Vector3, Dictionary<float, List<Face>>> faces = new Dictionary<Vector3, Dictionary<float, List<Face>>>();
//Vector3 key: normal
//float key: value of normal component
//Foreach bounding box
foreach (BoundingBox bb in boxes)
{
//Foreach normal (Minecraft normals)
foreach (Vector3 normal in norms)
{
//Get the face for the normal
Face face = GetFace(bb, normal);
face.TextureTag = bb.TextureTag;
//Store it using the important Normal component
float val = face.GetNormalValue();
if (float.IsNaN(val))
continue;
Dictionary<float, List<Face>> dict;
if (faces.ContainsKey(normal))
{
dict = faces[normal];
}
else
{
dict = new Dictionary<float, List<Face>>();
faces.Add(normal, dict);
}
if (dict.ContainsKey(val))
dict[val].Add(face);
else
dict.Add(val, new List<Face>() { face });
}
}
List<CustomBlockData> datas = new List<CustomBlockData>();
//Foreach normal
foreach (KeyValuePair<Vector3, Dictionary<float, List<Face>>> pair in faces)
{
//Foreach normal component
foreach (KeyValuePair<float, List<Face>> pair2 in pair.Value)
{
//Check if we should build the side
if(pair2.Key == 0 && (pair.Key.X == -1 || pair.Key.Y == -1 || pair.Key.Z == -1)) //- sides
{
Point3 dir3 = pair.Key.ToPoint3();
Point3 atSide = blockPos + dir3;
BlockData atSideBlock = source.GetData(atSide);
if (!i.CanBuildSide(currentBlock, atSideBlock, blockPos, atSide))
{
continue;
}
}
if (pair2.Key == 1 && (pair.Key.X == 1 || pair.Key.Y == 1 || pair.Key.Z == 1)) //+ sides
{
Point3 dir3 = pair.Key.ToPoint3();
Point3 atSide = blockPos + dir3;
BlockData atSideBlock = source.GetData(atSide);
if (!i.CanBuildSide(currentBlock, atSideBlock, blockPos, atSide))
{
continue;
}
}
//pair2.Value contains the faces of the current Normal and Normal component value
//Let's calculate what we can see:
GpcPolygon polygon = new GpcPolygon();
foreach(Face face in pair2.Value)
{
GpcPolygon addPoly = new GpcPolygon();
addPoly.AddContour(new GpcVertexList(face.ConvertToPointList()), false);
polygon = polygon.Clip(GpcOperation.Union, addPoly);
}
//Remove the invisible parts
Vector3 inverseNormal = -pair.Key;
if (faces.ContainsKey(inverseNormal) && removeCoveredFaces)
{
if (faces[inverseNormal].ContainsKey(pair2.Key)) //There are faces, which make this face invisible
{
GpcPolygon invisible = new GpcPolygon();
foreach (Face face2 in faces[inverseNormal][pair2.Key])
{
GpcPolygon addPoly = new GpcPolygon();
addPoly.AddContour(new GpcVertexList(face2.ConvertToPointList()), false);
invisible = invisible.Clip(GpcOperation.Union, addPoly);
}
polygon = polygon.Clip(GpcOperation.Difference, invisible); //Remove the invisible parts
}
}
//Create the face
if (polygon.NofContours == 0)
continue;
foreach (GpcVertexList polys in polygon.Contour)
{
List<PolygonPoint> points = new List<PolygonPoint>();
foreach (GpcVertex vert in polys.Vertex)
{
points.Add(new PolygonPoint(vert.X, vert.Y));
}
Polygon triangulatorPoly = new Polygon(points);
//MAGIC :D
Triangulator.Triangulate(triangulatorPoly);
foreach (DelaunayTriangle tri in triangulatorPoly.Triangles)
{
CustomBlockData bd = new CustomBlockData();
bd.IsOneTriangle = true;
bd.Texture = i.GetTexture(pair2.Value[0]);
bd.Vertex1 = ConvertToVertexPosition(tri.Points[0], pair.Key, pair2.Key);
bd.Vertex2 = ConvertToVertexPosition(tri.Points[1], pair.Key, pair2.Key);
bd.Vertex3 = ConvertToVertexPosition(tri.Points[2], pair.Key, pair2.Key);
Vector2[] uvs = new Vector2[]{
new Vector2(tri.Points[0].Xf, tri.Points[0].Yf),
new Vector2(tri.Points[1].Xf, tri.Points[1].Yf),
new Vector2(tri.Points[2].Xf, tri.Points[2].Yf)
};
uvs = i.GetUVsForTriangle(uvs, pair2.Value[0]);
bd.UV1 = uvs[0];
bd.UV2 = uvs[1];
bd.UV3 = uvs[2];
bd.Normal = pair.Key;
datas.Add(bd);
}
}
}
}
return datas;
}
public override List<CustomBlockData> GenerateModel(byte metadata, BlockData me, BlockData Xpos, BlockData Xneg, BlockData Ypos, BlockData Yneg, BlockData Zpos, BlockData Zneg, BlockSource source, Point3 blockPosition)
{
List<CustomBlockData> mdl = new List<CustomBlockData>();
bool zPos = Zpos.IsSolid || Zpos.ID == me.ID;
bool zNeg = Zneg.IsSolid || Zneg.ID == me.ID;
bool xPos = Xpos.IsSolid || Xpos.ID == me.ID;
bool xNeg = Xneg.IsSolid || Xneg.ID == me.ID;
float xStart = 0;
float xEnd = 1;
float zStart = 0;
float zEnd = 1;
if (!xPos && xNeg)
{
xStart = 0;
xEnd = 0.5f;
}
else if (xPos && !xNeg)
{
xStart = .5f;
xEnd = 1;
}
else if (xPos && xNeg)
{
xStart = 0;
xEnd = 1;
}
else if (!xPos && !xNeg)
{
xStart = 0;
xEnd = 0;
}
if (!zPos && zNeg)
{
zStart = 0;
zEnd = 0.5f;
}
else if (zPos && !zNeg)
{
zStart = .5f;
zEnd = 1;
}
else if (zPos && zNeg)
{
zStart = 0;
zEnd = 1;
}
else if (!zPos && !zNeg)
{
zStart = 0;
zEnd = 0;
}
if (!zPos && !zNeg && !xPos && !xNeg)
{
xStart = 0;
xEnd = 1;
zStart = 0;
zEnd = 1;
}
#region X sides
if (xStart != 0 || xEnd != 0)
{
mdl.Add(new CustomBlockData()
{
Vertex1 = new Vector3(xStart, 0, .5f),
Vertex2 = new Vector3(xStart, 1, .5f),
Vertex3 = new Vector3(xEnd, 1, .5f),
Vertex4 = new Vector3(xEnd, 0, .5f),
Normal = new Vector3(1, 0, 0),
Texture = _tex
}.CreateUVsRotated90(xStart, 0, xEnd, 1));
mdl.Add(new CustomBlockData()
{
Vertex1 = new Vector3(xStart, 0, .5f),
Vertex2 = new Vector3(xStart, 1, .5f),
Vertex3 = new Vector3(xEnd, 1, .5f),
Vertex4 = new Vector3(xEnd, 0, .5f),
Normal = new Vector3(1, 0, 0),
TriFlip = true,
Texture = _tex
}.CreateUVsRotated90(xStart, 0, xEnd, 1));
if (!source.GetData(new Point3(blockPosition.X, blockPosition.Y + 1, blockPosition.Z)).EqualsID(me))
{
mdl.Add(new CustomBlockData()
{
Vertex1 = new Vector3(xStart, 0.99f, 0.45f),
Vertex2 = new Vector3(xEnd, 0.99f, 0.45f),
Vertex3 = new Vector3(xEnd, 0.99f, .55f),
Vertex4 = new Vector3(xStart, 0.99f, .55f),
Normal = new Vector3(0, 1, 0),
UV1 = new Vector2(.45f, 0),
UV2 = new Vector2(.45f, 1),
UV3 = new Vector2(.55f, 1),
UV4 = new Vector2(.55f, 0),
Texture = _tex
});
}
if (!source.GetData(new Point3(blockPosition.X, blockPosition.Y - 1, blockPosition.Z)).EqualsID(me))
{
mdl.Add(new CustomBlockData()
{
Vertex1 = new Vector3(xStart, 0.01f, 0.45f),
Vertex2 = new Vector3(xEnd, 0.01f, 0.45f),
Vertex3 = new Vector3(xEnd, 0.01f, .55f),
Vertex4 = new Vector3(xStart, 0.01f, .55f),
Normal = new Vector3(0, 1, 0),
UV1 = new Vector2(.45f, 0),
UV2 = new Vector2(.45f, 1),
UV3 = new Vector2(.55f, 1),
UV4 = new Vector2(.55f, 0),
Texture = _tex
});
}
if (xPos && !xNeg)
{
mdl.Add(new CustomBlockData()
{
Vertex1 = new Vector3(.5f, 0, .45f),
Vertex2 = new Vector3(.5f, .99f, .45f),
Vertex3 = new Vector3(.5f, .99f, .55f),
Vertex4 = new Vector3(.5f, 0, .55f),
Normal = new Vector3(1, 0, 0),
UV1 = new Vector2(.45f, 0),
UV2 = new Vector2(.45f, 1),
UV3 = new Vector2(.55f, 1),
UV4 = new Vector2(.55f, 0),
Texture = _texY
});
}
else if (!xPos && xNeg)
{
mdl.Add(new CustomBlockData()
{
Vertex1 = new Vector3(.5f, 0, .45f),
Vertex2 = new Vector3(.5f, .99f, .45f),
Vertex3 = new Vector3(.5f, .99f, .55f),
Vertex4 = new Vector3(.5f, 0, .55f),
Normal = new Vector3(1, 0, 0),
UV1 = new Vector2(.45f, 0),
UV2 = new Vector2(.45f, 1),
UV3 = new Vector2(.55f, 1),
UV4 = new Vector2(.55f, 0),
Texture = _texY
});
}
}
#endregion
#region Z sides
if (zStart != 0 || zEnd != 0)
{
mdl.Add(new CustomBlockData()
{
Vertex1 = new Vector3(.5f, 0, zStart),
Vertex2 = new Vector3(.5f, 1, zStart),
Vertex3 = new Vector3(.5f, 1, zEnd),
Vertex4 = new Vector3(.5f, 0, zEnd),
Normal = new Vector3(0, 0, 1),
Texture = _tex
}.CreateUVsRotated90(zStart, 0, zEnd, 1));
mdl.Add(new CustomBlockData()
{
Vertex1 = new Vector3(.5f, 0, zStart),
Vertex2 = new Vector3(.5f, 1, zStart),
Vertex3 = new Vector3(.5f, 1, zEnd),
Vertex4 = new Vector3(.5f, 0, zEnd),
Normal = new Vector3(0, 0, 1),
TriFlip = true,
Texture = _tex
}.CreateUVsRotated90(zStart, 0, zEnd, 1));
if (!source.GetData(new Point3(blockPosition.X, blockPosition.Y + 1, blockPosition.Z)).EqualsID(me))
{
mdl.Add(new CustomBlockData()
{
Vertex1 = new Vector3(.45f, 1, zStart),
Vertex2 = new Vector3(.45f, 1, zEnd),
Vertex3 = new Vector3(.55f, 1, zEnd),
Vertex4 = new Vector3(.55f, 1, zStart),
Normal = new Vector3(0, 1, 0),
UV1 = new Vector2(.45f, zStart),
UV2 = new Vector2(.45f, zEnd),
UV3 = new Vector2(.55f, zEnd),
UV4 = new Vector2(.55f, zStart),
Texture = _tex
});
}
if (!source.GetData(new Point3(blockPosition.X, blockPosition.Y - 1, blockPosition.Z)).EqualsID(me))
{
mdl.Add(new CustomBlockData()
{
Vertex1 = new Vector3(.45f, 0, zStart),
Vertex2 = new Vector3(.45f, 0, zEnd),
Vertex3 = new Vector3(.55f, 0, zEnd),
Vertex4 = new Vector3(.55f, 0, zStart),
Normal = new Vector3(0, 1, 0),
UV1 = new Vector2(.45f, zStart),
UV2 = new Vector2(.45f, zEnd),
UV3 = new Vector2(.55f, zEnd),
UV4 = new Vector2(.55f, zStart),
Texture = _tex
});
}
if (zPos && !zNeg)
{
mdl.Add(new CustomBlockData()
{
Vertex1 = new Vector3(.45f, 0, .5f),
Vertex2 = new Vector3(.45f, 1, .5f),
Vertex3 = new Vector3(.55f, 1, .5f),
Vertex4 = new Vector3(.55f, 0, .5f),
Normal = new Vector3(1, 0, 0),
UV1 = new Vector2(.45f, 0),
UV2 = new Vector2(.45f, 1),
UV3 = new Vector2(.55f, 1),
UV4 = new Vector2(.55f, 0),
Texture = _texY
});
}
else if (!zPos && zNeg)
{
mdl.Add(new CustomBlockData()
{
Vertex1 = new Vector3(.45f, 0, .5f),
Vertex2 = new Vector3(.45f, 1, .5f),
Vertex3 = new Vector3(.55f, 1, .5f),
Vertex4 = new Vector3(.55f, 0, .5f),
Normal = new Vector3(1, 0, 0),
UV1 = new Vector2(.45f, 0),
UV2 = new Vector2(.45f, 1),
UV3 = new Vector2(.55f, 1),
UV4 = new Vector2(.55f, 0),
Texture = _texY
});
}
}
#endregion
return mdl;
}