private void CreateFrontQuad(ref ChunkStruct c, int x, int y, int x2, int y2, int z)
{
//The Z-1 is more of a hack because the face previously was shown on the back side rather than the front
Vector3 voxPosition1 = new Vector3((x) * VOX_SIZE, (y) * VOX_SIZE, (z - 1) * VOX_SIZE);
voxPosition1.x = voxPosition1.x + (c.Dx * CHUNK_SIZE * VOX_SIZE);
voxPosition1.y = voxPosition1.y + (c.Dy * CHUNK_SIZE * VOX_SIZE);
voxPosition1.z = voxPosition1.z + (c.Dz * CHUNK_SIZE * VOX_SIZE);
Vector3 voxPosition2 = new Vector3((x2) * VOX_SIZE, (y2) * VOX_SIZE, (z) * VOX_SIZE);
voxPosition2.x = voxPosition2.x + (c.Dx * CHUNK_SIZE * VOX_SIZE);
voxPosition2.y = voxPosition2.y + (c.Dy * CHUNK_SIZE * VOX_SIZE);
voxPosition2.z = voxPosition2.z + (c.Dz * CHUNK_SIZE * VOX_SIZE);
SurfaceTool surfaceTool = c.surfaceTool;
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddVertex(new Vector3(voxPosition1.x, voxPosition1.y, voxPosition1.z));
surfaceTool.AddVertex(new Vector3(voxPosition2.x, voxPosition1.y, voxPosition1.z));
surfaceTool.AddVertex(new Vector3(voxPosition2.x, voxPosition2.y, voxPosition1.z));
surfaceTool.AddVertex(new Vector3(voxPosition2.x, voxPosition2.y, voxPosition1.z));
surfaceTool.AddVertex(new Vector3(voxPosition1.x, voxPosition2.y, voxPosition1.z));
surfaceTool.AddVertex(new Vector3(voxPosition1.x, voxPosition1.y, voxPosition1.z));
// addQuad(ref c,
// new Vector3(x,y,z),
// new Vector3(x2,y,z),
// new Vector3(x2,y2,z),
// new Vector3(x,y2,z));
}
private void CreateTopQuad(ref ChunkStruct c, int x, int z, int x2, int z2, int y)
{
Vector3 voxPosition1 = new Vector3((x) * VOX_SIZE, (y) * VOX_SIZE, (z) * VOX_SIZE);
voxPosition1.x = voxPosition1.x + (c.Dx * CHUNK_SIZE * VOX_SIZE);
voxPosition1.y = voxPosition1.y + (c.Dy * CHUNK_SIZE * VOX_SIZE);
voxPosition1.z = voxPosition1.z + (c.Dz * CHUNK_SIZE * VOX_SIZE);
Vector3 voxPosition2 = new Vector3((x2) * VOX_SIZE, (y) * VOX_SIZE, (z2) * VOX_SIZE);
voxPosition2.x = voxPosition2.x + (c.Dx * CHUNK_SIZE * VOX_SIZE);
voxPosition2.y = voxPosition2.y + (c.Dy * CHUNK_SIZE * VOX_SIZE);
voxPosition2.z = voxPosition2.z + (c.Dz * CHUNK_SIZE * VOX_SIZE);
SurfaceTool surfaceTool = c.surfaceTool;
surfaceTool.AddNormal(new Vector3(0.0f, 1.0f, 0.0f));
surfaceTool.AddVertex(new Vector3(voxPosition1.x, voxPosition2.y, voxPosition1.z));
surfaceTool.AddVertex(new Vector3(voxPosition2.x, voxPosition2.y, voxPosition1.z));
surfaceTool.AddVertex(new Vector3(voxPosition1.x, voxPosition2.y, voxPosition2.z));
surfaceTool.AddVertex(new Vector3(voxPosition2.x, voxPosition2.y, voxPosition1.z));
surfaceTool.AddVertex(new Vector3(voxPosition2.x, voxPosition2.y, voxPosition2.z));
surfaceTool.AddVertex(new Vector3(voxPosition1.x, voxPosition2.y, voxPosition2.z));
// this.addQuad(ref c,
// new Vector3(x, y, z2),
// new Vector3(x2, y, z2),
// new Vector3(x2, y, z),
// new Vector3(x, y, z));
}
private void Initialize()
{
_meshInstance = GetNode <MeshInstance>("Mesh");
PlaneMesh initialMesh = (PlaneMesh)_meshInstance.Mesh;
_resX = initialMesh.SubdivideWidth + 1;
_resZ = initialMesh.SubdivideDepth + 1;
_noise = new OpenSimplexNoise();
UpdateNoiseSettings();
_surfaceTool = new SurfaceTool();
_meshDataTool = new MeshDataTool();
Control HUD = GetNode <Control>("../HUD");
HUD.Connect("UpdateSeed", this, nameof(_On_Seed_Updated));
HUD.Connect("UpdateOctaves", this, nameof(_On_Octaves_Updated));
HUD.Connect("UpdateAmplitude", this, nameof(_On_Amplitude_Updated));
HUD.Connect("UpdatePeriod", this, nameof(_On_Period_Updated));
HUD.Connect("UpdateLacunarity", this, nameof(_On_Lacunarity_Updated));
HUD.Connect("UpdatePersistence", this, nameof(_On_Persistence_Updated));
_initialized = true;
}
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));
}
//Adds a triangle to a surface tool.
public static void AddTriangle(SurfaceTool surfTool, Vector3 point1, Vector3 point2, Vector3 point3, bool reverse = false)
{
if (reverse)
{
surfTool.AddUv(new Vector2(0, 0));
surfTool.AddVertex(point1);
surfTool.AddUv(new Vector2(0, 0));
surfTool.AddVertex(point2);
surfTool.AddUv(new Vector2(0, 0));
surfTool.AddVertex(point3);
}
else
{
surfTool.AddUv(new Vector2(0, 0));
surfTool.AddVertex(point3);
surfTool.AddUv(new Vector2(0, 0));
surfTool.AddVertex(point2);
surfTool.AddUv(new Vector2(0, 0));
surfTool.AddVertex(point1);
}
}
// Called when the node enters the scene tree for the first time.
public override void _Ready()
{
global = GetNode <Global>("/root/Global");
OnStartTimerTimeout();
CharacterContainer = GetNode <Spatial>("/root/Spatial/CharacterContainer");
SurfaceTool surfaceTool = new SurfaceTool();
planeMesh = new PlaneMesh();
planeMesh.Material = (Material)ResourceLoader.Load("mesh_material.tres");
planeMesh.SubdivideWidth = width - 2; //Subtract two bc there's already two vertices before we start subdividing
planeMesh.SubdivideDepth = height - 2;
planeMesh.Size = new Vector2(42.4f, 24f); //42.47f (42.4f, 24f)
surfaceTool.CreateFrom(planeMesh, 0);
arrayPlane = surfaceTool.Commit();
meshInstance = new MeshInstance();
meshInstance.Mesh = arrayPlane;
NewDetectedBody();
AddChild(meshInstance);
AddChild(detectBody);
UpdateShapes();
}
public SurfaceTool getWFace(SurfaceTool st, Vector3 offset)
{
//Upper Tri
//N W D
st.add_uv(new Vector2(0, 0));
st.add_vertex(new Vector3(1 + offset.x, -1 + offset.y, 1 + offset.z));
//N W U
st.add_uv(new Vector2(0, 1));
st.add_vertex(new Vector3(1 + offset.x, 1 + offset.y, 1 + offset.z));
//S W U
st.add_uv(new Vector2(1, 1));
st.add_vertex(new Vector3(-1 + offset.x, 1 + offset.y, 1 + offset.z));
//LOWER TRI
//S W U
st.add_uv(new Vector2(1, 1));
st.add_vertex(new Vector3(-1 + offset.x, 1 + offset.y, 1 + offset.z));
//S W D
st.add_uv(new Vector2(1, 0));
st.add_vertex(new Vector3(-1 + offset.x, -1 + offset.y, 1 + offset.z));
//N W D
st.add_uv(new Vector2(0, 0));
st.add_vertex(new Vector3(1 + offset.x, -1 + offset.y, 1 + offset.z));
st.index();
return(st);
}
public static ArrayMesh AddNoiseToMesh(PlaneMesh plane, float[,] noiseMap, int chunkSize, int heightMultiplier, Curve heightCurve)
{
SurfaceTool st = new SurfaceTool();
st.CreateFrom(plane, 0);
ArrayMesh mesh = new ArrayMesh();
MeshDataTool dt = new MeshDataTool();
mesh = st.Commit();
dt.CreateFromSurface(mesh, 0);
for (int y = 0; y < chunkSize; y++)
{
for (int x = 0; x < chunkSize; x++)
{
int z = y;
int vertexIndex = z * chunkSize + x;
Vector3 vertex = dt.GetVertex(vertexIndex);
vertex.y = heightCurve.Interpolate(noiseMap[chunkSize - x - 1, chunkSize - z - 1]) * heightMultiplier;
dt.SetVertex(vertexIndex, vertex);
}
}
for (int surface = 0; surface < mesh.GetSurfaceCount(); surface++)
{
mesh.SurfaceRemove(surface);
}
dt.CommitToSurface(mesh);
st.Begin(Mesh.PrimitiveType.Triangles);
st.CreateFrom(mesh, 0);
st.Index();
st.GenerateNormals();
return(st.Commit());
}
//Creates a mesh from a surface tool
public static ArrayMesh CreateMeshFromSurfaceTool(SurfaceTool surfTool)
{
var mesh = new ArrayMesh();
surfTool.GenerateNormals();
surfTool.Index();
surfTool.Commit(mesh);
return(mesh);
}
void _draw_block_face(SurfaceTool surface_tool,
Godot.Collections.Array <Vector3> verts,
Godot.Collections.Array <Vector2> uvs)
{
surface_tool.AddUv(uvs[1]); surface_tool.AddVertex(verts[1]);
surface_tool.AddUv(uvs[2]); surface_tool.AddVertex(verts[2]);
surface_tool.AddUv(uvs[3]); surface_tool.AddVertex(verts[3]);
surface_tool.AddUv(uvs[2]); surface_tool.AddVertex(verts[2]);
surface_tool.AddUv(uvs[1]); surface_tool.AddVertex(verts[1]);
surface_tool.AddUv(uvs[0]); surface_tool.AddVertex(verts[0]);
}
public void Generate()
{
planeMesh = new PlaneMesh();
planeMesh.Size = new Vector2(chunkSize, chunkSize);
planeMesh.SubdivideDepth = Mathf.RoundToInt(chunkSize * 0.5f);
planeMesh.SubdivideWidth = Mathf.RoundToInt(chunkSize * 0.5f);
surfaceTool = new SurfaceTool();
meshDataTool = new MeshDataTool();
surfaceTool.CreateFrom(planeMesh, 0);
arrayPlane = surfaceTool.Commit();
meshDataTool.CreateFromSurface(arrayPlane, 0);
for (int i = 0; i < meshDataTool.GetVertexCount(); i++)
{
Vector3 vertex = meshDataTool.GetVertex(i);
vertex.y = noise.GetNoise3d(
vertex.x + position.x,
vertex.y,
vertex.z + position.z) * References.steepness;
meshDataTool.SetVertex(i, vertex);
avgHeight += vertex.y;
}
avgHeight /= meshDataTool.GetVertexCount();
for (int i = 0; i < arrayPlane.GetSurfaceCount(); i++)
{
arrayPlane.SurfaceRemove(i);
}
for (int i = 0; i < meshDataTool.GetFaceCount(); i++)
{
Vector3 A = meshDataTool.GetVertex(meshDataTool.GetFaceVertex(i, 0));
Vector3 B = meshDataTool.GetVertex(meshDataTool.GetFaceVertex(i, 1));
Vector3 C = meshDataTool.GetVertex(meshDataTool.GetFaceVertex(i, 2));
Vector3 face = (A + B + C) / 3 + position;
Vector3 normal = meshDataTool.GetFaceNormal(i);
slope += Maths.Angle(Vector3.Up, normal);
}
slope /= meshDataTool.GetFaceCount();
meshDataTool.CommitToSurface(arrayPlane);
surfaceTool.Begin(Mesh.PrimitiveType.Triangles);
surfaceTool.CreateFrom(arrayPlane, 0);
surfaceTool.GenerateNormals();
meshInstance = new MeshInstance();
meshInstance.Mesh = surfaceTool.Commit();
meshInstance.SetSurfaceMaterial(0, (Material)ResourceLoader.Load("res://Assets/Shader/Terrain.material"));
meshInstance.CreateTrimeshCollision();
meshInstance.CastShadow = GeometryInstance.ShadowCastingSetting.On;
AddChild(meshInstance);
}
public ChunkStruct(int chunkSize, float voxSize, int Dx, int Dy, int Dz)
{
this.CHUNK_SIZE = chunkSize;
this.VOX_SIZE = voxSize;
this.Dx = Dx;
this.Dy = Dy;
this.Dz = Dz;
chunkData = new byte[CHUNK_SIZE * CHUNK_SIZE * CHUNK_SIZE];
surfaceTool = new SurfaceTool();
compChunkData = new byte[1];
random = new Random();
currentlyWorked = 0;
}
private static MeshInstance DebugMesh()
{
SurfaceTool tool = new SurfaceTool();
tool.Begin(PrimitiveMesh.PrimitiveType.Lines);
//Front
tool.AddVertex(new Vector3(0, 0, 0));
tool.AddVertex(new Vector3(1, 0, 0));
tool.AddVertex(new Vector3(1, 0, 0));
tool.AddVertex(new Vector3(1, 1, 0));
tool.AddVertex(new Vector3(1, 1, 0));
tool.AddVertex(new Vector3(0, 1, 0));
tool.AddVertex(new Vector3(0, 1, 0));
tool.AddVertex(new Vector3(0, 0, 0));
//Back
tool.AddVertex(new Vector3(0, 0, 1));
tool.AddVertex(new Vector3(1, 0, 1));
tool.AddVertex(new Vector3(1, 0, 1));
tool.AddVertex(new Vector3(1, 1, 1));
tool.AddVertex(new Vector3(1, 1, 1));
tool.AddVertex(new Vector3(0, 1, 1));
tool.AddVertex(new Vector3(0, 1, 1));
tool.AddVertex(new Vector3(0, 0, 1));
//BOTTOM
tool.AddVertex(new Vector3(0, 0, 0));
tool.AddVertex(new Vector3(0, 0, 1));
tool.AddVertex(new Vector3(0, 0, 1));
tool.AddVertex(new Vector3(1, 0, 1));
tool.AddVertex(new Vector3(1, 0, 1));
tool.AddVertex(new Vector3(1, 0, 0));
tool.AddVertex(new Vector3(1, 0, 0));
tool.AddVertex(new Vector3(0, 0, 0));
//TOP
tool.AddVertex(new Vector3(0, 1, 0));
tool.AddVertex(new Vector3(0, 1, 1));
tool.AddVertex(new Vector3(0, 1, 1));
tool.AddVertex(new Vector3(1, 1, 1));
tool.AddVertex(new Vector3(1, 1, 1));
tool.AddVertex(new Vector3(1, 1, 0));
tool.AddVertex(new Vector3(1, 1, 0));
tool.AddVertex(new Vector3(0, 1, 0));
MeshInstance instance = new MeshInstance();
instance.Mesh = tool.Commit();
return(instance);
}
private void Deform()
{
var sn = new OpenSimplexNoise();
sn.Period = Period;
sn.Octaves = Octaves;
sn.Seed = Seed;
sn.Persistence = Persistence;
sn.Lacunarity = Lacunarity;
var mesh = sphere.Mesh;
var st = new SurfaceTool();
st.CreateFrom(mesh, 0);
var array = st.Commit();
var dt = new MeshDataTool();
dt.CreateFromSurface(array, 0);
var count = dt.GetVertexCount();
var origin = Vector3.Zero;
for (int i = 0; i < count; i++)
{
var vertex = dt.GetVertex(i);
var n = -vertex.DirectionTo(origin);
var noise = sn.GetNoise3d(vertex.x, vertex.y, vertex.z);
noise = Mathf.Clamp(noise, -1f, 1f);
vertex += n * noise * MoveFactor;
dt.SetVertex(i, vertex);
}
var surfCount = array.GetSurfaceCount();
for (int i = 0; i < surfCount; i++)
{
array.SurfaceRemove(i);
}
dt.CommitToSurface(array);
st.Begin(Mesh.PrimitiveType.Triangles);
st.CreateFrom(array, 0);
st.GenerateNormals();
sphere.Mesh = st.Commit();
UpdateMaterial();
}
public void Generate()
{
verts = new List <Vector3>();
indices = new List <int>();
index = 0;
faces = new List <TriangleIndices>();
middlePointIndexCache = new System.Collections.Generic.Dictionary <long, int>();
CreateIcosphere();
SurfaceTool st = new SurfaceTool();
var am = CreateTheMesh();
st.CreateFrom(am, 0);
st.GenerateNormals();
Mesh = st.Commit();
}
public override void _Ready()
{
MarchCube(new Vector3(1, 0, 0));
SurfaceTool st = new SurfaceTool();
st.Begin(Mesh.PrimitiveType.Triangles);
foreach (Vector3 vert in vertices)
{
st.AddVertex(vert);
}
Mesh = st.Commit();
GD.Print(vertices);
}
private Mesh GenerateMesh(Vector3 pos, Vector2 size, int subdivision = 0)
{
SurfaceTool st = new SurfaceTool();
st.Begin(Mesh.PrimitiveType.Triangles);
int verts = 2 + subdivision;
Vector3[,] vertices = new Vector3[verts, verts];
for (int i = 0; i < verts; i++)
{
for (int j = 0; j < verts; j++)
{
Vector3 p = new Vector3(
((float)i / (verts - 1)),
0f,
((float)j / (verts - 1))
);
p.x *= size.x;
p.z *= size.y;
p.y = GetHeight(p + pos);
vertices[i, j] = p;
}
}
for (int i = 0; i < verts - 1; i++)
{
for (int j = 0; j < verts - 1; j++)
{
st.AddVertex(vertices[i + 1, j + 0]);
st.AddVertex(vertices[i + 1, j + 1]);
st.AddVertex(vertices[i + 0, j + 0]);
st.AddVertex(vertices[i + 0, j + 0]);
st.AddVertex(vertices[i + 1, j + 1]);
st.AddVertex(vertices[i + 0, j + 1]);
}
}
st.GenerateNormals();
//st.GenerateTangents();
st.Index();
return(st.Commit());
}
//Creates a surface tool for mesh creation
public static SurfaceTool CreateSurfaceTool(SpatialMaterial material = null)
{
var surfTool = new SurfaceTool();
surfTool.Begin(Mesh.PrimitiveType.Triangles);
if (material == null)
{
material = new SpatialMaterial();
//material.SetEmission(new Color(1.0f, 0.0f, 0.0f));
//material.SetEmissionEnergy(0.5f);
material.SetAlbedo(new Color(0.5f, 0.0f, 0.0f));
//material.SetMetallic(0.5f);
material.SetCullMode(SpatialMaterial.CullMode.Back);
}
surfTool.SetMaterial(material);
return(surfTool);
}
// TODO: spend some time to actually properly refactor that (the first step is 25% done)
public override void AddPosXFace(ref SurfaceTool surfaceTool, Vector3 origin, byte blockType)
{
Rect2 uvs = Game.GetBlockUV(blockType, BlockFace.Left);
surfaceTool.AddUv(uvs.Get(1, 1));
surfaceTool.AddVertex(origin + this[+1, -1, -1]);
surfaceTool.AddUv(uvs.Get(0, 0));
surfaceTool.AddVertex(origin + this[+1, +1, +1]);
surfaceTool.AddUv(uvs.Get(1, 0));
surfaceTool.AddVertex(origin + this[+1, +1, -1]);
surfaceTool.AddUv(uvs.Get(1, 1));
surfaceTool.AddVertex(origin + this[+1, -1, -1]);
surfaceTool.AddUv(uvs.Get(0, 1));
surfaceTool.AddVertex(origin + this[+1, -1, +1]);
surfaceTool.AddUv(uvs.Get(0, 0));
surfaceTool.AddVertex(origin + this[+1, +1, +1]);
}
public override void AddNegXFace(ref SurfaceTool surfaceTool, Vector3 origin, byte blockType)
{
Rect2 uvs = Game.GetBlockUV(blockType, BlockFace.Right);
surfaceTool.AddUv(uvs.Get(0, 1));
surfaceTool.AddVertex(origin + this[-1, -1, -1]);
surfaceTool.AddUv(uvs.Get(0, 0));
surfaceTool.AddVertex(origin + this[-1, +1, -1]);
surfaceTool.AddUv(uvs.Get(1, 0));
surfaceTool.AddVertex(origin + this[-1, +1, +1]);
surfaceTool.AddUv(uvs.Position + new Vector2(0, uvs.Size.y));
surfaceTool.AddVertex(origin + SIZE * new Vector3(-0.5f, -0.5f, -0.5f));
surfaceTool.AddUv(uvs.Position + new Vector2(uvs.Size.x, 0));
surfaceTool.AddVertex(origin + SIZE * new Vector3(-0.5f, +0.5f, +0.5f));
surfaceTool.AddUv(uvs.End);
surfaceTool.AddVertex(origin + SIZE * new Vector3(-0.5f, -0.5f, +0.5f));
}
public override void AddNegYFace(ref SurfaceTool surfaceTool, Vector3 origin, byte blockType)
{
Rect2 uvs = Game.GetBlockUV(blockType, BlockFace.Bottom);
surfaceTool.AddUv(uvs.Position);
surfaceTool.AddVertex(origin + SIZE * new Vector3(-0.5f, -0.5f, -0.5f));
surfaceTool.AddUv(uvs.End);
surfaceTool.AddVertex(origin + SIZE * new Vector3(+0.5f, -0.5f, +0.5f));
surfaceTool.AddUv(uvs.Position + new Vector2(uvs.Size.x, 0));
surfaceTool.AddVertex(origin + SIZE * new Vector3(+0.5f, -0.5f, -0.5f));
surfaceTool.AddUv(uvs.Position);
surfaceTool.AddVertex(origin + SIZE * new Vector3(-0.5f, -0.5f, -0.5f));
surfaceTool.AddUv(uvs.Position + new Vector2(0, uvs.Size.y));
surfaceTool.AddVertex(origin + SIZE * new Vector3(-0.5f, -0.5f, +0.5f));
surfaceTool.AddUv(uvs.End);
surfaceTool.AddVertex(origin + SIZE * new Vector3(+0.5f, -0.5f, +0.5f));
}
void _generate_chunk_mesh(int _this_argument_exists_due_to_bug_9924)
{
if (0 < data.Count)
{
return;
}
var surface_tool = new SurfaceTool();
surface_tool.Begin(Mesh.PrimitiveType.Triangles);
// For each block, add data to the SurfaceTool and generate a collider.
foreach (var block_position in data.Keys)
{
var block_id = data[block_position];
_draw_block_mesh(surface_tool, block_position, block_id);
}
// Create the chunk's mesh from the SurfaceTool data.
surface_tool.GenerateNormals();
// surface_tool.GenerateTangents(); // XXX add back
surface_tool.Index();
var array_mesh = surface_tool.Commit();
var mi = new MeshInstance();
mi.Mesh = array_mesh;
var resource = ResourceLoader.Load("res://world/textures/material.tres");
GD.Print($"====== resource should be material: {resource}");
var materialOrNull = resource as Material;
if (materialOrNull == null)
{
GD.Print("materialOrNull == null");
}
else
{
mi.MaterialOverride = materialOrNull;
}
AddChild(mi);
}
public void generateMeshAndColors(float[,] dataTerrain)
{
//init tool
SurfaceTool st = new SurfaceTool();
st.Begin(Mesh.PrimitiveType.Triangles);
st.SetMaterial(mat);
//get HeightsQuats and create triangles
int maxI = dataTerrain.GetLength(0);
int maxJ = dataTerrain.GetLength(1);
int quadCount = 0;
//1º rows, 2º columns
for (int i = 0; i < maxI - 1; i++)
{
for (int j = 0; j < maxJ - 1; j++)
{
Quat q = new Quat();//heights to Quat
q.x = dataTerrain[i, j]; q.y = dataTerrain[i, j + 1];
q.z = dataTerrain[i + 1, j]; q.w = dataTerrain[i + 1, j + 1];
//to mesh
Vector3 offset = new Vector3(j, 0, i);
createQuad(st, offset, q);
/*//debug algoritm
* GD.Print(string.Format("•quad{0}:({1},{2}): points: \n{3} {4} {5} {6} {7} {8}\n{9} {10} {11} {12} {13} {14}",
* quadCount,i,j,
* offset.x, q.x, offset.z - 1, offset.x + 1, q.y, offset.z-1,
* offset.x, q.z, offset.z, offset.x + 1, q.w, offset.z));
*/
quadCount++;
}
}
//finally
st.GenerateNormals();
st.Commit(tmpMesh);
this.SetMesh(tmpMesh);
}
public Chunk(int x, int y, int z, int CHUNK_SIZE = 16, float VOX_SIZE = 1.0f)
{
Dx = x;
Dy = y;
Dz = z;
this.CHUNK_SIZE = CHUNK_SIZE;
surfaceTool = new SurfaceTool();
this.VOX_SIZE = VOX_SIZE;
vertices = new Vector3[] { new Vector3(0, 0, 0),
new Vector3(VOX_SIZE, 0, 0),
new Vector3(VOX_SIZE, 0, VOX_SIZE),
new Vector3(0, 0, VOX_SIZE),
new Vector3(0, VOX_SIZE, 0),
new Vector3(VOX_SIZE, VOX_SIZE, 0),
new Vector3(VOX_SIZE, VOX_SIZE, VOX_SIZE),
new Vector3(0, VOX_SIZE, VOX_SIZE) };
InitializedVoxelData();
CreateMesh();
}
public void Render()
{
SurfaceTool tool = new SurfaceTool();
tool.Begin(Mesh.PrimitiveType.Triangles);
for (int x = 1; x < Size.x - 1; x++)
{
for (int z = 1; z < Size.z - 1; z++)
{
for (int y = 1; y < Size.y - 1; y++)
{
BuildFaces(GetSideFree(x, y, z), tool, x, y, z);
}
}
}
tool.GenerateNormals();
Model.Mesh = tool.Commit();
}
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);
}
private void generate_ui_mesh(Vector2[] positions)
{
GD.Print("Generate new UI mesh", positions);
var st = new SurfaceTool();
st.Begin(Mesh.PrimitiveType.Triangles);
foreach (var p in positions)
{
GD.Print(p);
_plane(st, p.x, p.y);
}
st.Index();
st.GenerateNormals();
st.GenerateTangents();
var mesh = st.Commit();
mesh.SurfaceSetMaterial(0, mouse_preview.GetSurfaceMaterial(0));
GetNode <MeshInstance>("MeshInstance3").Mesh = mesh;
}
// 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));
}
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]);
}
}
}
public void BuildMeshFromCells()
{
if (Mesh != null)
{
var msh = Mesh;
Mesh = null;
msh.Dispose();
}
Dictionary <int, SurfaceTool> surfaces = new Dictionary <int, SurfaceTool>();
for (int y = 0; y < Map.Height; y++)
{
for (int x = 0; x < Map.Width; x++)
{
Cell cell = Cells[y, x];
var indices = (
new int[] {
cell.North,
cell.East,
cell.South,
cell.West
})
.Select(i => i)
.Distinct();
foreach (var index in indices)
{
if (index == Cell.NoWall)
{
continue;
}
if (!surfaces.ContainsKey(index))
{
surfaces.Add(index, new SurfaceTool());
}
}
}
}
ArrayMesh mesh = new ArrayMesh();
SurfaceTool st = new SurfaceTool();
foreach (var kvp in surfaces)
{
kvp.Value.Begin(Mesh.PrimitiveType.Triangles);
kvp.Value.SetMaterial(Assets.GetTexture(kvp.Key));
}
for (int y = 0; y < Map.Height; y++)
{
for (int x = 0; x < Map.Width; x++)
{
Cell cell = Cells[y, x];
Vector3 pos = MapToWorld(x, y);
if (cell.North != Cell.NoWall)
{
CreateCube(surfaces[cell.North], CellSize, pos, Sides.North);
}
if (cell.East != Cell.NoWall)
{
CreateCube(surfaces[cell.East], CellSize, pos, Sides.East);
}
if (cell.South != Cell.NoWall)
{
CreateCube(surfaces[cell.South], CellSize, pos, Sides.South);
}
if (cell.West != Cell.NoWall)
{
CreateCube(surfaces[cell.West], CellSize, pos, Sides.West);
}
}
}
foreach (var kvp in surfaces)
{
kvp.Value.Commit(mesh);
kvp.Value.Dispose();
}
Mesh = mesh;
CreateTrimeshCollision();
WorldBody = GetNode <StaticBody>($"{nameof(Level)}_col");
WorldBody.CollisionLayer = (int)CollisionLayers.Walls;
}