private void _plane(SurfaceTool st, float posX, float posY)
{
int xOffset = (int)posX;
int yOffset = (int)posY;
var z = 0;
GD.Print(posX, " ", posY);
st.AddColor(get_color(xOffset, yOffset));
st.AddUv(new Vector2(0, 1));
st.AddVertex(new Vector3(-1 + xOffset * 2, 1 + yOffset * 2, z));
st.AddUv(new Vector2(1, 1));
st.AddVertex(new Vector3(1 + xOffset * 2, 1 + yOffset * 2, z));
st.AddUv(new Vector2(1, 0));
st.AddVertex(new Vector3(1 + xOffset * 2, -1 + yOffset * 2, z));
st.AddUv(new Vector2(1, 0));
st.AddVertex(new Vector3(1 + xOffset * 2, -1 + yOffset * 2, z));
st.AddUv(new Vector2(0, 0));
st.AddVertex(new Vector3(-1 + xOffset * 2, -1 + yOffset * 2, z));
st.AddUv(new Vector2(0, 1));
st.AddVertex(new Vector3(-1 + xOffset * 2, 1 + yOffset * 2, z));
}
// public void SetPolygons() {
// this.a.AddPolygon(this)
// this.b.AddPolygon(this)
// this.c.AddPolygon(this)
// }
public void AddToSurfaceTool(SurfaceTool surfaceTool)
{
// System.Diagnostics.Debug.WriteLine("This vertex A-B-C: [" + a.x + ", " + a.y + ", " + a.z + "] - [" + b.x + ", " + b.y + ", " + b.z + "] - [" + c.x + ", " + c.y + ", " + c.z + "]");
const float minLimit = -0.05f;
const float maxLimit = 0.069f;
surfaceTool.AddColor(a.determineVertexColor(minLimit, maxLimit));
surfaceTool.AddColor(b.determineVertexColor(minLimit, maxLimit));
surfaceTool.AddColor(c.determineVertexColor(minLimit, maxLimit));
// Add UV coords
surfaceTool.AddUv(
new Vector2(
Mathf.Atan2(a.z, a.x) / (2f * Mathf.Pi),
Mathf.Asin(a.y) / Mathf.Pi + 0.5f
)
);
surfaceTool.AddUv(
new Vector2(
Mathf.Atan2(b.z, b.x) / (2f * Mathf.Pi),
Mathf.Asin(b.y) / Mathf.Pi + 0.5f
)
);
surfaceTool.AddUv(
new Vector2(
Mathf.Atan2(c.z, c.x) / (2f * Mathf.Pi),
Mathf.Asin(c.y) / Mathf.Pi + 0.5f
)
);
// add vertices
surfaceTool.AddVertex(new Vector3(a.x, a.y, a.z));
surfaceTool.AddVertex(new Vector3(b.x, b.y, b.z));
surfaceTool.AddVertex(new Vector3(c.x, c.y, c.z));
}
private SurfaceTool createQuad(SurfaceTool st, Vector3 pos, Quat q)
{
//1Quad = 4 points = 2 triangles
Vector3 v1 = new Vector3(0, q.x, -1) + pos;
Vector3 v2 = new Vector3(1, q.y, -1) + pos;
Vector3 v3 = new Vector3(1, q.w, 0) + pos;
Vector3 v4 = new Vector3(0, q.z, 0) + pos;
//tri1
st.AddUv(new Vector2(0, 0));
st.AddColor(heightToColor(v1.y));// active albedoVertexColors on material
st.AddVertex(v1);
st.AddUv(new Vector2(0, 1));
st.AddColor(heightToColor(v2.y));
st.AddVertex(v2);
st.AddUv(new Vector2(1, 1));
st.AddColor(heightToColor(v4.y));
st.AddVertex(v4);
//tri2
st.AddUv(new Vector2(0, 0));
st.AddColor(heightToColor(v2.y));
st.AddVertex(v2);
st.AddUv(new Vector2(0, 1));
st.AddColor(heightToColor(v3.y));
st.AddVertex(v3);
st.AddUv(new Vector2(1, 1));
st.AddColor(heightToColor(v4.y));
st.AddVertex(v4);
return(st);
}
public static void CreateCube(SurfaceTool st, float size, Vector3 position, Sides sides)
{
if (sides.HasFlag(Sides.North) ||
sides.HasFlag(Sides.East) ||
sides.HasFlag(Sides.South) ||
sides.HasFlag(Sides.West))
{
Color white = new Color(1f, 1f, 1f, 1f);
Vector3[] vertices = GetVerticesForCell(size, position);
if (sides.HasFlag(Sides.North))
{
st.AddUv(new Vector2(1, 1));
st.AddNormal(North);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Bot_NW]);
st.AddUv(new Vector2(0, 0));
st.AddNormal(North);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Top_NE]);
st.AddUv(new Vector2(1, 0));
st.AddNormal(North);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Top_NW]);
st.AddUv(new Vector2(1, 1));
st.AddNormal(North);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Bot_NW]);
st.AddUv(new Vector2(0, 1));
st.AddNormal(North);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Bot_NE]);
st.AddUv(new Vector2(0, 0));
st.AddNormal(North);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Top_NE]);
}
if (sides.HasFlag(Sides.East))
{
st.AddUv(new Vector2(0, 0));
st.AddNormal(East);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Top_SE]);
st.AddUv(new Vector2(1, 0));
st.AddNormal(East);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Top_NE]);
st.AddUv(new Vector2(0, 1));
st.AddNormal(East);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Bot_SE]);
st.AddUv(new Vector2(1, 0));
st.AddNormal(East);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Top_NE]);
st.AddUv(new Vector2(1, 1));
st.AddNormal(East);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Bot_NE]);
st.AddUv(new Vector2(0, 1));
st.AddNormal(East);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Bot_SE]);
}
if (sides.HasFlag(Sides.South))
{
st.AddUv(new Vector2(0, 0));
st.AddNormal(South);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Top_SW]);
st.AddUv(new Vector2(1, 0));
st.AddNormal(South);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Top_SE]);
st.AddUv(new Vector2(0, 1));
st.AddNormal(South);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Bot_SW]);
st.AddUv(new Vector2(1, 0));
st.AddNormal(South);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Top_SE]);
st.AddUv(new Vector2(1, 1));
st.AddNormal(South);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Bot_SE]);
st.AddUv(new Vector2(0, 1));
st.AddNormal(South);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Bot_SW]);
}
if (sides.HasFlag(Sides.West))
{
st.AddUv(new Vector2(1, 1));
st.AddNormal(West);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Bot_SW]);
st.AddUv(new Vector2(0, 0));
st.AddNormal(West);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Top_NW]);
st.AddUv(new Vector2(1, 0));
st.AddNormal(West);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Top_SW]);
st.AddUv(new Vector2(1, 1));
st.AddNormal(West);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Bot_SW]);
st.AddUv(new Vector2(0, 1));
st.AddNormal(West);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Bot_NW]);
st.AddUv(new Vector2(0, 0));
st.AddNormal(West);
st.AddColor(white);
st.AddVertex(vertices[(int)CellVertexIndex.Top_NW]);
}
}
}
private void CreatePerceptionPyramidMesh()
{
var material = new SpatialMaterial();
material.FlagsTransparent = true;
material.AlbedoColor = new Color(0.0f, 1.0f, 0.0f, 0.02f);
material.SetCullMode(SpatialMaterial.CullMode.Disabled);
// Pyramid
var surfaceTool = new SurfaceTool();
surfaceTool.Begin(Mesh.PrimitiveType.Triangles);
// Top face
surfaceTool.AddNormal(new Vector3(0.0f, 0.5f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top left
surfaceTool.AddNormal(new Vector3(0.0f, 0.5f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top right
surfaceTool.AddNormal(new Vector3(0.0f, 0.5f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(0, 0, 2.0f)); // home
// Right face
surfaceTool.AddNormal(new Vector3(0.5f, 0.0f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top right
surfaceTool.AddNormal(new Vector3(0.5f, 0.0f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom right
surfaceTool.AddNormal(new Vector3(0.5f, 0.0f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(0, 0, 2.0f)); // home
// Bottom face
surfaceTool.AddNormal(new Vector3(0.0f, -0.5f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom right
surfaceTool.AddNormal(new Vector3(0.0f, -0.5f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom left
surfaceTool.AddNormal(new Vector3(0.0f, -0.5f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(0, 0, 2.0f)); // home
// Left face
surfaceTool.AddNormal(new Vector3(-0.5f, 0.0f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom left
surfaceTool.AddNormal(new Vector3(-0.5f, 0.0f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top left
surfaceTool.AddNormal(new Vector3(-0.5f, 0.0f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(0, 0, 2.0f)); // home
// Base face1
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top right
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top left
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom left
// Base face2
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom left
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom right
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top right
surfaceTool.Index();
var mesh = surfaceTool.Commit();
mesh.SurfaceSetMaterial(0, material);
var meshInstance = new MeshInstance();
meshInstance.Mesh = mesh;
meshInstance.SetName("perceptionMesh");
meshInstance.SetVisible(false);
this.AddChild(meshInstance);
}
private Godot.Collections.Array createSurfaceByBones(ArrayMesh mesh, int surface, Skin newSkin, List <UMAReciepeBindPose> origBindPoses)
{
var mdt = new MeshDataTool();
mdt.CreateFromSurface(mesh, surface);
var st = new SurfaceTool();
st.Begin(Mesh.PrimitiveType.Triangles);
var newBindPoses = new List <UMAReciepeBindPose>();
if (newSkin != null)
{
for (int i = 0; i < newSkin.GetBindCount(); i++)
{
newBindPoses.Add(new UMAReciepeBindPose
{
boneName = newSkin.GetBindName(i),
transform = newSkin.GetBindPose(i),
boneIndex = newSkin.GetBindBone(i)
});
}
}
var boneAmount = 0;
for (int i = 0; i < mdt.GetVertexCount(); i++)
{
var oldVer = mdt.GetVertex(i);
var oldNorm = mdt.GetVertexNormal(i);
var newVer = new Vector3();
var newNorm = new Vector3();
var indexes = mdt.GetVertexBones(i);
// st.AddTangent(mdt.GetVertexTangent(i));
st.AddBones(mdt.GetVertexBones(i));
st.AddWeights(mdt.GetVertexWeights(i));
int boneId = 0;
foreach (var weight in mdt.GetVertexWeights(i))
{
if (newBindPoses.Count >= indexes[boneId] && origBindPoses.Count >= indexes[boneId])
{
var restBoneNew = newBindPoses[indexes[boneId]];
var restBoneTemplate = origBindPoses[indexes[boneId]];
var dataup = restBoneNew.transform.Xform(Vector3.Up);
var dataright = restBoneNew.transform.Xform(Vector3.Right);
var templateup = restBoneTemplate.transform.Xform(Vector3.Up);
var templateright = restBoneTemplate.transform.Xform(Vector3.Right);
if (Mathf.Abs(dataup.AngleTo(templateup)) > 1 || Mathf.Abs(dataright.AngleTo(templateright)) > 1)
{
Transform convertMatrix = restBoneTemplate.transform.Inverse() * restBoneNew.transform;
newVer += convertMatrix.Xform(oldVer) * weight;
newNorm += convertMatrix.basis.Xform(oldNorm) * weight;
}
else
{
newVer += oldVer * weight;
newNorm += oldNorm * weight;
}
}
else
{
newVer += oldVer * weight;
newNorm += oldNorm * weight;
}
boneId++;
}
st.AddUv(mdt.GetVertexUv(i));
if (mdt.GetVertexColor(i) != null)
{
st.AddColor(mdt.GetVertexColor(i));
}
if (mdt.GetVertexUv2(i) != null)
{
st.AddUv2(mdt.GetVertexUv2(i));
}
st.AddNormal(newNorm);
st.AddVertex(newVer);
boneAmount += mdt.GetVertexBones(i).Length;
}
//creating indexes
for (int face = 0; face < mdt.GetFaceCount(); face++)
{
for (int faceI = 0; faceI < 3; faceI++)
{
var ind = mdt.GetFaceVertex(face, faceI);
st.AddIndex(ind);
}
}
st.GenerateTangents();
return(st.CommitToArrays());
}
private void CreateVoxel(Color color, Vector3 position)
{
bool left = !Voxels.ContainsKey(position - new Vector3(1, 0, 0));
bool right = !Voxels.ContainsKey(position + new Vector3(1, 0, 0));
bool back = !Voxels.ContainsKey(position - new Vector3(0, 0, 1));
bool front = !Voxels.ContainsKey(position + new Vector3(0, 0, 1));
bool top = !Voxels.ContainsKey(position + new Vector3(0, 1, 0));
bool bottom = !Voxels.ContainsKey(position - new Vector3(0, 1, 0));
if (left && right && front && back && top && bottom)
{
return;
}
SurfaceTool.AddColor(color);
void addVertex(Vector3 pos) => SurfaceTool.AddVertex(pos * VoxelSize);
Vector3 vertexOffset = position;
if (top) // Above
{
SurfaceTool.AddNormal(new Vector3(0, -1, 0));
addVertex(Vertices[4] + vertexOffset);
addVertex(Vertices[5] + vertexOffset);
addVertex(Vertices[7] + vertexOffset);
addVertex(Vertices[5] + vertexOffset);
addVertex(Vertices[6] + vertexOffset);
addVertex(Vertices[7] + vertexOffset);
}
if (right) // Right
{
SurfaceTool.AddNormal(new Vector3(1, 0, 0));
addVertex(Vertices[2] + vertexOffset);
addVertex(Vertices[5] + vertexOffset);
addVertex(Vertices[1] + vertexOffset);
addVertex(Vertices[2] + vertexOffset);
addVertex(Vertices[6] + vertexOffset);
addVertex(Vertices[5] + vertexOffset);
}
if (left) // Left
{
SurfaceTool.AddNormal(new Vector3(-1, 0, 0));
addVertex(Vertices[0] + vertexOffset);
addVertex(Vertices[7] + vertexOffset);
addVertex(Vertices[3] + vertexOffset);
addVertex(Vertices[0] + vertexOffset);
addVertex(Vertices[4] + vertexOffset);
addVertex(Vertices[7] + vertexOffset);
}
if (front) // Front
{
SurfaceTool.AddNormal(new Vector3(0, 0, 1));
addVertex(Vertices[3] + vertexOffset);
addVertex(Vertices[6] + vertexOffset);
addVertex(Vertices[2] + vertexOffset);
addVertex(Vertices[3] + vertexOffset);
addVertex(Vertices[7] + vertexOffset);
addVertex(Vertices[6] + vertexOffset);
}
if (back) // Above
{
SurfaceTool.AddNormal(new Vector3(0, 0, -1));
addVertex(Vertices[0] + vertexOffset);
addVertex(Vertices[1] + vertexOffset);
addVertex(Vertices[5] + vertexOffset);
addVertex(Vertices[5] + vertexOffset);
addVertex(Vertices[4] + vertexOffset);
addVertex(Vertices[0] + vertexOffset);
}
if (bottom)
{
SurfaceTool.AddNormal(new Vector3(0, 1, 0));
addVertex(Vertices[1] + vertexOffset);
addVertex(Vertices[3] + vertexOffset);
addVertex(Vertices[2] + vertexOffset);
addVertex(Vertices[1] + vertexOffset);
addVertex(Vertices[0] + vertexOffset);
addVertex(Vertices[3] + vertexOffset);
}
}
private static void BuildDoorMesh()
{
if (_doorMesh == null)
{
Color white = new Color(1f, 1f, 1f, 1f);
using (SurfaceTool st = new SurfaceTool())
{
Vector3[] cellVerts = Level.GetVerticesForCell();
Vector3[] verts = new Vector3[] {
Lerp(cellVerts[(int)Level.CellVertexIndex.Top_SW], cellVerts[(int)Level.CellVertexIndex.Top_NW], 0.5f),
Lerp(cellVerts[(int)Level.CellVertexIndex.Top_SE], cellVerts[(int)Level.CellVertexIndex.Top_NE], 0.5f),
Lerp(cellVerts[(int)Level.CellVertexIndex.Bot_SW], cellVerts[(int)Level.CellVertexIndex.Bot_NW], 0.5f),
Lerp(cellVerts[(int)Level.CellVertexIndex.Bot_SE], cellVerts[(int)Level.CellVertexIndex.Bot_NE], 0.5f)
};
st.Begin(Godot.Mesh.PrimitiveType.Triangles);
st.AddUv(new Vector2(0f, 1f));
st.AddColor(white);
st.AddNormal(Level.South);
st.AddVertex(verts[3]);
st.AddUv(new Vector2(0f, 0f));
st.AddColor(white);
st.AddNormal(Level.South);
st.AddVertex(verts[1]);
st.AddUv(new Vector2(1f, 0f));
st.AddColor(white);
st.AddNormal(Level.South);
st.AddVertex(verts[0]);
st.AddUv(new Vector2(1f, 1f));
st.AddColor(white);
st.AddNormal(Level.South);
st.AddVertex(verts[2]);
st.AddUv(new Vector2(0f, 1f));
st.AddColor(white);
st.AddNormal(Level.South);
st.AddVertex(verts[3]);
st.AddUv(new Vector2(1f, 0f));
st.AddColor(white);
st.AddNormal(Level.South);
st.AddVertex(verts[0]);
st.AddUv(new Vector2(1f, 0f));
st.AddColor(white);
st.AddNormal(Level.North);
st.AddVertex(verts[0]);
st.AddUv(new Vector2(0f, 0f));
st.AddColor(white);
st.AddNormal(Level.North);
st.AddVertex(verts[1]);
st.AddUv(new Vector2(0f, 1f));
st.AddColor(white);
st.AddNormal(Level.North);
st.AddVertex(verts[3]);
st.AddUv(new Vector2(1f, 0f));
st.AddColor(white);
st.AddNormal(Level.North);
st.AddVertex(verts[0]);
st.AddUv(new Vector2(0f, 1f));
st.AddColor(white);
st.AddNormal(Level.North);
st.AddVertex(verts[3]);
st.AddUv(new Vector2(1f, 1f));
st.AddColor(white);
st.AddNormal(Level.North);
st.AddVertex(verts[2]);
_doorMesh = st.Commit();
}
}
}
private void createFaces(int x, int y, int z, int Dx, int Dy, int Dz,
ref SurfaceTool surfaceTool, ref ChunkStruct c)
{
Vector3 voxPosition = new Vector3((x) * VOX_SIZE, (y) * VOX_SIZE, (z) * VOX_SIZE);
voxPosition.x = voxPosition.x + (Dx * CHUNK_SIZE * VOX_SIZE);
voxPosition.y = voxPosition.y + (Dy * CHUNK_SIZE * VOX_SIZE);
voxPosition.z = voxPosition.z + (Dz * CHUNK_SIZE * VOX_SIZE);
if (canCreateFace(x, y - 1, z, ref c))
{
surfaceTool.AddNormal(new Vector3(0.0f, -1.0f, 0.0f));
surfaceTool.AddColor(new Color(1.0f, 1.0f, .7f, 1f));
surfaceTool.AddVertex(vertices[1] + voxPosition);
surfaceTool.AddVertex(vertices[3] + voxPosition);
surfaceTool.AddVertex(vertices[2] + voxPosition);
surfaceTool.AddVertex(vertices[1] + voxPosition);
surfaceTool.AddVertex(vertices[0] + voxPosition);
surfaceTool.AddVertex(vertices[3] + voxPosition);
}
if (canCreateFace(x, y + 1, z, ref c))
{
surfaceTool.AddNormal(new Vector3(0.0f, 1.0f, 0.0f));
surfaceTool.AddColor(new Color(0.7f, 0.0f, .7f, 1f));
surfaceTool.AddVertex(vertices[4] + voxPosition);
surfaceTool.AddVertex(vertices[5] + voxPosition);
surfaceTool.AddVertex(vertices[7] + voxPosition);
surfaceTool.AddVertex(vertices[5] + voxPosition);
surfaceTool.AddVertex(vertices[6] + voxPosition);
surfaceTool.AddVertex(vertices[7] + voxPosition);
}
if (canCreateFace(x + 1, y, z, ref c))
{
surfaceTool.AddNormal(new Vector3(1.0f, 0.0f, 0.0f));
surfaceTool.AddColor(new Color(1f, 1f, 1f, 1f));
surfaceTool.AddVertex(vertices[2] + voxPosition);
surfaceTool.AddVertex(vertices[5] + voxPosition);
surfaceTool.AddVertex(vertices[1] + voxPosition);
surfaceTool.AddVertex(vertices[2] + voxPosition);
surfaceTool.AddVertex(vertices[6] + voxPosition);
surfaceTool.AddVertex(vertices[5] + voxPosition);
}
if (canCreateFace(x - 1, y, z, ref c))
{
surfaceTool.AddNormal(new Vector3(-1.0f, 0.0f, 0.0f));
surfaceTool.AddColor(new Color(1f, 1f, 1f, 1f));
surfaceTool.AddVertex(vertices[0] + voxPosition);
surfaceTool.AddVertex(vertices[7] + voxPosition);
surfaceTool.AddVertex(vertices[3] + voxPosition);
surfaceTool.AddVertex(vertices[0] + voxPosition);
surfaceTool.AddVertex(vertices[4] + voxPosition);
surfaceTool.AddVertex(vertices[7] + voxPosition);
}
if (canCreateFace(x, y, z + 1, ref c))
{
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, 1.0f));
surfaceTool.AddColor(new Color(1f, 1f, 1f, 1f));
surfaceTool.AddVertex(vertices[3] + voxPosition);
surfaceTool.AddVertex(vertices[6] + voxPosition);
surfaceTool.AddVertex(vertices[2] + voxPosition);
surfaceTool.AddVertex(vertices[3] + voxPosition);
surfaceTool.AddVertex(vertices[7] + voxPosition);
surfaceTool.AddVertex(vertices[6] + voxPosition);
}
if (canCreateFace(x, y, z - 1, ref c))
{
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(1f, 1f, 1f, 1f));
surfaceTool.AddVertex(vertices[0] + voxPosition);
surfaceTool.AddVertex(vertices[1] + voxPosition);
surfaceTool.AddVertex(vertices[5] + voxPosition);
surfaceTool.AddVertex(vertices[5] + voxPosition);
surfaceTool.AddVertex(vertices[4] + voxPosition);
surfaceTool.AddVertex(vertices[0] + voxPosition);
}
}
public MeshInstance CreateChunkMesh(Chunk chunk)
{
MeshInstance instance = new MeshInstance();
SurfaceTool surfacetool = new SurfaceTool();
surfacetool.Begin(Mesh.PrimitiveType.Points);
surfacetool.SetMaterial(chunkMaterial);
int count = 0;
for (int i = 0; i < Constants.CHUNK_SIZE3D / chunk.Materials; i++)
{
Run run = chunk.Voxels[i];
int objectID = run.value;
TerraObject terraObject = registry.SelectByID((int)objectID);
var x = i % CHUNK_SIZE;
var y = (i / CHUNK_SIZE) % CHUNK_SIZE;
var z = i / (CHUNK_SIZE * CHUNK_SIZE);
if (chunk.Voxels[i].value != 0)
{
int face = 0b000000;
//Left
if (x == 0 || chunk.Voxels[i - 1].value != objectID)
{
face = 0b000001;
}
//Right
else if (x == 63 || chunk.Voxels[i + 1].value != objectID)
{
face = 0b000010;
}
//Top
else if (y == 63 || chunk.Voxels[i + 64].value != objectID)
{
face = 0b000100;
}
//Bottom
else if (y == 0 || chunk.Voxels[i - 64].value != objectID)
{
face = 0b001000;
}
//Back
else if (z == 63 || chunk.Voxels[i + 4096].value != objectID)
{
face = 0b010000;
}
//Front
else if (z == 0 || chunk.Voxels[i - 4096].value != objectID)
{
face = 0b100000;
}
if (face != 0b000000)
{
int counter = 0;
Vector3 normalAvg = Vector3.Zero;
for (int j = 0; j < 6; j++)
{
int bitFlagN = (face >> j) & 1;
if (bitFlagN == 1)
{
normalAvg = normalAvg + Normals[j];
counter += 1;
}
}
count += 1;
surfacetool.AddColor(new Color(1f, 1f, 1f, 1f));
Vector3 voxPosition = new Vector3((x) * VOX_SIZE, (y) * VOX_SIZE, (z) * VOX_SIZE);
voxPosition.x = voxPosition.x + (chunk.x * CHUNK_SIZE * VOX_SIZE);
voxPosition.y = voxPosition.y + (chunk.y * CHUNK_SIZE * VOX_SIZE);
voxPosition.z = voxPosition.z + (chunk.z * CHUNK_SIZE * VOX_SIZE);
if (counter > 0)
{
normalAvg = normalAvg / counter;
surfacetool.AddNormal(normalAvg);
}
surfacetool.AddVertex(voxPosition);
}
}
}
surfacetool.Index();
instance.Mesh = surfacetool.Commit();
surfacetool.Clear();
instance.MaterialOverride = chunkMaterial.Duplicate() as ShaderMaterial;
// Console.WriteLine("Mesh AABB Pos: {0} , Size: {1}, End: {2}",bb.Position,bb.Size,bb.End);
return(instance);
}
// Create each faces of a single voxel at pPositon in cPosition chunk.
private void CreateVoxel(SurfaceTool pSurfaceTool, int x, int y, int z, Chunk pChunk)
{
// If no voxel is at position, skip
if (!pChunk.Voxels[x, y, z].Active)
{
return;
}
// If block is next to each faces
bool left = x != 0 ? !pChunk.Voxels[x - 1, y, z].Active : true;
bool right = x != 15 ? !pChunk.Voxels[x + 1, y, z].Active : true;
bool front = z != 15 ? !pChunk.Voxels[x, y, z + 1].Active : true;
bool back = z != 0 ? !pChunk.Voxels[x, y, z - 1].Active : true;
bool top = y != 254 ? !pChunk.Voxels[x, y + 1, z].Active : true;
bool bottom = y > 0 ? !pChunk.Voxels[x, y - 1, z].Active : true;
// If voxel is completly surrounded
if (left && right && front && back && top && bottom)
{
return;
}
// If the voxel is on the side of a chunk. Check in the neighbor chunk.
bool left2 = (x == 0 && PreloadedChunks[new Vector2(pChunk.Offset - new Vector2(1, 0))].Voxels[15, y, z].Active);
bool right2 = (x == 15 && PreloadedChunks[new Vector2(pChunk.Offset + new Vector2(1, 0))].Voxels[0, y, z].Active);
bool back2 = (z == 0 && PreloadedChunks[new Vector2(pChunk.Offset - new Vector2(0, 1))].Voxels[x, y, 15].Active);
bool front2 = (z == 15 && PreloadedChunks[new Vector2(pChunk.Offset + new Vector2(0, 1))].Voxels[x, y, 0].Active);
// Set right type
var type = pChunk.Voxels[x, y, z].Type;
// Local position of the voxel.
Vector3 vertextOffset = new Vector3(x, y, z);
// Get colors
var color = GetVoxelColor(pChunk, vertextOffset, type);
pSurfaceTool.AddColor(color);
if (top) // Above
{
pSurfaceTool.AddNormal(new Vector3(0, 1, 0));
pSurfaceTool.AddVertex(Vertices[4] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[5] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[7] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[5] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[6] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[7] + vertextOffset);
}
if (right && !right2) // Right
{
pSurfaceTool.AddNormal(new Vector3(1, 0, 0));
pSurfaceTool.AddVertex(Vertices[2] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[5] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[1] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[2] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[6] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[5] + vertextOffset);
}
if (left && !left2) // Left
{
pSurfaceTool.AddNormal(new Vector3(-1, 0, 0));
pSurfaceTool.AddVertex(Vertices[0] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[7] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[3] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[0] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[4] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[7] + vertextOffset);
}
if (front && !front2) // Front
{
pSurfaceTool.AddNormal(new Vector3(0, 0, 1));
pSurfaceTool.AddVertex(Vertices[3] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[6] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[2] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[3] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[7] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[6] + vertextOffset);
}
if (back && !back2) // Above
{
pSurfaceTool.AddNormal(new Vector3(0, 0, -1));
pSurfaceTool.AddVertex(Vertices[0] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[1] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[5] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[5] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[4] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[0] + vertextOffset);
}
if (bottom && y != 0)
{
pSurfaceTool.AddNormal(new Vector3(0, 1, 0));
pSurfaceTool.AddVertex(Vertices[1] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[3] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[2] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[1] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[0] + vertextOffset);
pSurfaceTool.AddVertex(Vertices[3] + vertextOffset);
}
}
