public MegaTexture(Device device)
{
this.device = device;
simple = TextureManager.Instance.LoadTexture("client/gfx/heightmaps/heightmap.dds");
//simple = TextureManager.Instance.LoadTexture("client/gfx/uvDetective_512.dds");
// Create plane w/ tex-coords
VertexPositionNormalTextured[] vert = new VertexPositionNormalTextured[6];
//vert[0].X = -100.0f; vert[0].Y = 100.0f; vert[0].Z = 1.0f;
//vert[1].X = 100.0f; vert[1].Y = 100.0f; vert[1].Z = 1.0f;
//vert[2].X = -100.0f; vert[2].Y = -100.0f; vert[2].Z = 1.0f;
//vert[3].X = -100.0f; vert[3].Y = -100.0f; vert[3].Z = 1.0f;
//vert[4].X = 100.0f; vert[4].Y = 100.0f; vert[4].Z = 1.0f;
//vert[5].X = 100.0f; vert[5].Y = -100.0f; vert[5].Z = 1.0f;
//vert[0].Tu = 0.0f; vert[0].Tv = 0.0f;
//vert[1].Tu = 1.0f; vert[1].Tv = 0.0f;
//vert[2].Tu = 0.0f; vert[2].Tv = 1.0f;
//vert[3].Tu = 0.0f; vert[3].Tv = 1.0f;
//vert[4].Tu = 1.0f; vert[4].Tv = 0.0f;
//vert[5].Tu = 1.0f; vert[5].Tv = 1.0f;
//group.vf = VertexPositionNormalTextured.Format;
//group.vb = new VertexBuffer(typeof(VertexPositionNormalTextured), 6, device, Usage.Dynamic, group.vf, Pool.Default);
//group.vb.SetData(vert, 0, LockFlags.None);
group.tex = simple;
}
private void Init(string texturename)
{
VertexPositionNormalTextured[] verts = new VertexPositionNormalTextured[36];
// Front face
verts[0] = new VertexPositionNormalTextured(-1.0f, 1.0f, 1.0f, 1.0f, 0.0f);
verts[1] = new VertexPositionNormalTextured(-1.0f, -1.0f, 1.0f, 1.0f, 1.0f);
verts[2] = new VertexPositionNormalTextured(1.0f, 1.0f, 1.0f, 0.0f, 0.0f);
verts[3] = new VertexPositionNormalTextured(-1.0f, -1.0f, 1.0f, 1.0f, 1.0f);
verts[4] = new VertexPositionNormalTextured(1.0f, -1.0f, 1.0f, 0.0f, 1.0f);
verts[5] = new VertexPositionNormalTextured(1.0f, 1.0f, 1.0f, 0.0f, 0.0f);
// Back face (remember this is facing *away* from the camera, so vertices should be
// clockwise order)
verts[6] = new VertexPositionNormalTextured(-1.0f, 1.0f, -1.0f, 0.0f, 0.0f);
verts[7] = new VertexPositionNormalTextured(1.0f, 1.0f, -1.0f, 1.0f, 0.0f);
verts[8] = new VertexPositionNormalTextured(-1.0f, -1.0f, -1.0f, 0.0f, 1.0f);
verts[9] = new VertexPositionNormalTextured(-1.0f, -1.0f, -1.0f, 0.0f, 1.0f);
verts[10] = new VertexPositionNormalTextured(1.0f, 1.0f, -1.0f, 1.0f, 0.0f);
verts[11] = new VertexPositionNormalTextured(1.0f, -1.0f, -1.0f, 1.0f, 1.0f);
// Top face
verts[12] = new VertexPositionNormalTextured(-1.0f, 1.0f, 1.0f, 1.0f, 0.0f);
verts[13] = new VertexPositionNormalTextured(1.0f, 1.0f, -1.0f, 0.0f, 1.0f);
verts[14] = new VertexPositionNormalTextured(-1.0f, 1.0f, -1.0f, 0.0f, 0.0f);
verts[15] = new VertexPositionNormalTextured(-1.0f, 1.0f, 1.0f, 1.0f, 0.0f);
verts[16] = new VertexPositionNormalTextured(1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
verts[17] = new VertexPositionNormalTextured(1.0f, 1.0f, -1.0f, 0.0f, 1.0f);
// Bottom face (remember this is facing *away* from the camera, so vertices should be
// clockwise order)
verts[18] = new VertexPositionNormalTextured(-1.0f, -1.0f, 1.0f, 0.0f, 0.0f);
verts[19] = new VertexPositionNormalTextured(-1.0f, -1.0f, -1.0f, 0.0f, 1.0f);
verts[20] = new VertexPositionNormalTextured(1.0f, -1.0f, -1.0f, 1.0f, 1.0f);
verts[21] = new VertexPositionNormalTextured(-1.0f, -1.0f, 1.0f, 0.0f, 0.0f);
verts[22] = new VertexPositionNormalTextured(1.0f, -1.0f, -1.0f, 1.0f, 1.0f);
verts[23] = new VertexPositionNormalTextured(1.0f, -1.0f, 1.0f, 1.0f, 0.0f);
// Left face
verts[24] = new VertexPositionNormalTextured(-1.0f, 1.0f, 1.0f, 0.0f, 0.0f);
verts[25] = new VertexPositionNormalTextured(-1.0f, -1.0f, -1.0f, 1.0f, 1.0f);
verts[26] = new VertexPositionNormalTextured(-1.0f, -1.0f, 1.0f, 0.0f, 1.0f);
verts[27] = new VertexPositionNormalTextured(-1.0f, 1.0f, -1.0f, 1.0f, 0.0f);
verts[28] = new VertexPositionNormalTextured(-1.0f, -1.0f, -1.0f, 1.0f, 1.0f);
verts[29] = new VertexPositionNormalTextured(-1.0f, 1.0f, 1.0f, 0.0f, 0.0f);
// Right face (remember this is facing *away* from the camera, so vertices should be
// clockwise order)
verts[30] = new VertexPositionNormalTextured(1.0f, 1.0f, 1.0f, 1.0f, 0.0f);
verts[31] = new VertexPositionNormalTextured(1.0f, -1.0f, 1.0f, 1.0f, 1.0f);
verts[32] = new VertexPositionNormalTextured(1.0f, -1.0f, -1.0f, 0.0f, 1.0f);
verts[33] = new VertexPositionNormalTextured(1.0f, 1.0f, -1.0f, 0.0f, 0.0f);
verts[34] = new VertexPositionNormalTextured(1.0f, 1.0f, 1.0f, 1.0f, 0.0f);
verts[35] = new VertexPositionNormalTextured(1.0f, -1.0f, -1.0f, 0.0f, 1.0f);
Matrix translation = Matrix.RotationYawPitchRoll(0f, 90f * (float)(Math.PI / 180f), 0f);
for (int i = 0; i < verts.Length; i++)
{
//verts[i].Position =
verts[i].Position = Vector3.Multiply(verts[i].Position, 5000f);
verts[i].Position = Vector3.TransformCoordinate(verts[i].Position, translation);
verts[i].TextureCoordinate.X = (verts[i].TextureCoordinate.X + (1f / 512)) * (510f / 512f);
verts[i].TextureCoordinate.Y = (verts[i].TextureCoordinate.Y + (1f / 512)) * (510f / 512f);
}
vb = new HagsVertexBuffer();
vb.SetVB<VertexPositionNormalTextured>(verts, verts.Length * VertexPositionNormalTextured.SizeInBytes, VertexPositionNormalTextured.Format, Usage.WriteOnly);
for (int i = 0; i < 6; i++)
{
List<uint> ind = new List<uint>();
string texname = "skybox/"+ texturename;
switch(i)
{
case 0:
texname += "ft";
ind.AddRange(new uint[] { 0, 2, 1, 3, 5, 4 });
break;
case 1:
texname += "bk";
ind.AddRange(new uint[] {6,8,7,9,11,10 });
break;
case 2:
texname += "up";
ind.AddRange(new uint[] {12,14,13,15,17,16 });
break;
case 3:
texname += "dn";
ind.AddRange(new uint[] {18,20,19,21,23,22 });
break;
case 4:
texname += "lf";
ind.AddRange(new uint[] { 24,26,25,27,29,28});
break;
case 5:
texname += "rt";
ind.AddRange(new uint[] {30,32,31,33,35,34 });
break;
}
RenderItem item = new RenderItem(this, TextureManager.Instance.LoadMaterial(texname));
item.DontOptimize = true;
item.indices = ind;
item.GenerateIndexBuffer();
items.Add(item);
rendercalls.Add(new KeyValuePair<ulong, RenderDelegate>(SortItem.GenerateBits(SortItem.FSLayer.GAME, SortItem.Viewport.STATIC, SortItem.VPLayer.SKYBOX, SortItem.Translucency.OPAQUE, item.material.MaterialID, 0, item.ib.IndexBufferID, item.vb.VertexBufferID), new RenderDelegate(item.Render)));
}
}
public void DrawFullScreenQuad(float fLeftU, float fTopV, float fRightU, float fBottomV)
{
Surface target = device.GetRenderTarget(0);
SurfaceDescription rtDescr = target.Description;
device.SetRenderState(RenderState.ZEnable, false);
// Ensure that we're directly mapping texels to pixels by offset by 0.5
// For more info see the doc page titled "Directly Mapping Texels to Pixels"
float fWidth5 = (1 / (float)rtDescr.Width);// (float)rtDescr.Width - 1f;
float fHeight5 = (-1 / (float)rtDescr.Height);//(float)rtDescr.Height -1f;
VertexPositionNormalTextured[] quad = new VertexPositionNormalTextured[4];
quad[0] = new VertexPositionNormalTextured(-1f - fWidth5, -1f - fHeight5, 0.5f, fLeftU, fTopV);
quad[1] = new VertexPositionNormalTextured(1f - fWidth5, -1f - fHeight5, 0.5f, fRightU, fTopV);
quad[2] = new VertexPositionNormalTextured(-1f - fWidth5, 1f - fHeight5, 0.5f, fLeftU, fBottomV);
quad[3] = new VertexPositionNormalTextured(1f - fWidth5, 1f - fHeight5, 0.5f, fRightU, fBottomV);
device.VertexFormat = VertexPositionNormalTextured.Format;
device.DrawUserPrimitives(PrimitiveType.TriangleStrip, 2, quad);
device.SetRenderState(RenderState.ZEnable, true);
}
void BuildGridGeometry()
{
Vector3[] globalverts, gridverts;
int[] globalindices, gridindices, gridindices2;
float dx = 10.0f;
float dz = 10.0f;
// Generate global grid
GenTriGrid(inputImageHeight, inputImageWidth, dx, dz, new Vector3(0.0f, -1000f, 0f), out globalverts, out globalindices);
// Number of sub-grids
int nGridsY = GetGoodAverage(inputImageHeight);
int nGridsX = GetGoodAverage(inputImageWidth);
// Subgrid size
int GridW = inputImageWidth / nGridsX;
int GridD = inputImageHeight / nGridsY;
int gridNumVerts = (GridW+1) * (GridD+1);
int gridNumTris = (GridD ) * (GridW ) * 2;
// Generate subgrid indices
GenTriGrid(GridD+1, GridW+1, dx, dz, new Vector3(0.0f, -5000f, 0f), out gridverts, out gridindices);
GenTriGrid(GridD, GridW, dx, dz, new Vector3(0.0f, -5000f, 0f), out gridverts, out gridindices2);
// Define some often used variables
bool overflowX = false, overflowY = false;
float w = (GridW*nGridsX) * dx;
float d = (GridD * nGridsY) * dz;
Vector3 normal = new Vector3(0f, 1f, 0f);
Mesh mesh;
VertexPositionNormalTextured[] vertexData = new VertexPositionNormalTextured[gridNumVerts];
int subgridX, subgridY, globalIndex, gridIndex;
// foreach subgrid
for (int gridX = 0; gridX < nGridsX; gridX++)
{
for (int gridY = 0; gridY < nGridsY; gridY++)
{
overflowY = false;
overflowX = false;
mesh = new Mesh(Renderer.Instance.device, gridNumTris, gridNumVerts, MeshFlags.Use32Bit, VertexPositionNormalTextured.Format);
// Check for overflow
if ((gridX+1) * (GridW + 1) > inputImageWidth)
overflowX = true;
else if ((gridY+1) * (GridD + 1) > inputImageHeight)
overflowY = true;
if (overflowY || overflowX)
{
}
else
{
for (int subD = 0; subD < GridD + 1; ++subD)
{
for (int subW = 0; subW < GridW + 1; ++subW)
{
subgridX = gridX * GridW + subW;
subgridY = gridY * GridD + subD;
globalIndex = (subgridY * inputImageHeight) + subgridX;
gridIndex = (subD * (GridD + 1)) + subW;
vertexData[gridIndex].Position = globalverts[globalIndex];
//vertexData[gridIndex].Y += GetHeightFromImage(subgridY, subgridX) * scale;
vertexData[gridIndex].Position.Y += SampleHeightMap3x3(subgridY, subgridX) * scale;
vertexData[gridIndex].Normal = normal;
vertexData[gridIndex].TextureCoordinate = new Vector2((vertexData[gridIndex].Position.X + (0.5f * w)) / w, (vertexData[gridIndex].Position.Z - (0.5f * d)) / -d);
}
}
DataStream gs = mesh.LockVertexBuffer(LockFlags.None);
gs.WriteRange<VertexPositionNormalTextured>(vertexData);
gs.Seek(0, SeekOrigin.Begin);
// Todo: Fix AABB and frustrum culling
Vector3 min, max;
//Geometry.ComputeBoundingBox(gs, gridNumVerts, VertexPositionNormalTextured.Format, out min, out max);
mesh.UnlockVertexBuffer();
//int[] meshIndices = new int[gridNumTris * 3];
DataStream ds = mesh.LockAttributeBuffer(LockFlags.None);
for (int i = 0; i < gridNumTris; ++i)
{
ds.Write<int>(0);
}
mesh.UnlockAttributeBuffer();
//meshIndices = ;
gs = mesh.LockIndexBuffer(LockFlags.None);
gs.WriteRange<int>(gridindices);
mesh.UnlockIndexBuffer();
//gs = mesh.LockAttributeBuffer(LockFlags.None);
//gs.Write(meshAttr);
mesh.ComputeNormals();
int[] adj = new int[mesh.FaceCount * 3];
mesh.GenerateAdjacency(float.Epsilon);
//mesh.OptimizeInPlace(MeshFlags.OptimizeAttributeSort | MeshFlags.OptimizeVertexCache | MeshFlags.OptimizeCompact, adj);
Mesh newmesh = mesh.Clone(Renderer.Instance.device, MeshFlags.Managed, VertexPosTexNormalTanBitan.Elements);
newmesh.ComputeTangent(0, 0, -1, false);
meshes.Add(newmesh);
}
}
}
}