/// <summary>
/// Creates a <i>VertexBuffer</i> that can be used to draw colored triangles.
/// </summary>
/// <param name="device"></param>
/// <returns></returns>
public static VertexBuffer CreateColoredTriangleBuffer(Device device)
{
return(VertexBuffer.CreateGeneric <TransformedColored>(
device,
3,
Usage.WriteOnly,
TransformedColored.Format,
Pool.Managed,
null));
}
/// <summary>
/// Creates a <i>VertexBuffer</i> that can be used to render a texture on a rectangle.
/// </summary>
/// <param name="device"></param>
/// <returns></returns>
public static VertexBuffer CreateTexturedBuffer(Device device)
{
return(VertexBuffer.CreateGeneric <TransformedTextured>(
device,
4,
Usage.WriteOnly,
TransformedTextured.Format,
Pool.Managed,
null));
}
public SkyFace(string textureName, SkyFaceSide faceSide)
{
this.vertexBuffer = VertexBuffer.CreateGeneric <PositionNormalTextured>(
GameEngine.Device,
4,
Usage.WriteOnly,
PositionNormalTextured.Format,
Pool.Managed,
null);
this.corners = this.vertexBuffer.Lock <PositionNormalTextured>(0, 0, LockFlags.None);
PositionNormalTextured[] data = new PositionNormalTextured[4];
switch (faceSide)
{
case SkyFaceSide.Top:
//Y always 100;
//back x -100; front X +100;
//back Z -100; front Z +100
data[0].X = -100f;
data[0].Y = 100f;
data[0].Z = -100f;
data[0].U = 0f;
data[0].V = 1f;
data[0].Nx = 0f;
data[0].Ny = -1f;
data[0].Nz = 0f;
data[1].X = 100f;
data[1].Y = 100f;
data[1].Z = -100f;
data[1].U = 0f;
data[1].V = 0f;
data[1].Nx = 0f;
data[1].Ny = -1f;
data[1].Nz = 0f;
data[2].X = -100f;
data[2].Y = 100f;
data[2].Z = 100f;
data[2].U = 1f;
data[2].V = 1f;
data[2].Nx = 0;
data[2].Ny = -1f;
data[2].Nz = 0f;
data[3].X = 100f;
data[2].Y = 100f;
data[3].Z = 100f;
data[3].U = 1f;
data[3].V = 0f;
data[3].Nx = 0f;
data[3].Ny = -1f;
data[3].Nz = 0f;
break;
case SkyFaceSide.Bottom:
data[0].X = -100.0f; // nw
data[0].Y = -100.0f;
data[0].Z = 100.0f;
data[0].U = 0.0f;
data[0].V = 0.0f;
data[0].Nx = 0.0f;
data[0].Ny = 1.0f;
data[0].Nz = 0.0f;
data[1].X = 100.0f; // ne
data[1].Y = -100.0f;
data[1].Z = 100.0f;
data[1].U = 1.0f;
data[1].V = 1.0f;
data[1].Nx = 0.0f;
data[1].Ny = 1.0f;
data[1].Nz = 0.0f;
data[2].X = -100.0f; // sw
data[2].Y = -100.0f;
data[2].Z = -100.0f;
data[2].U = 1.0f;
data[2].V = 0.0f;
data[2].Nx = 0.0f;
data[2].Ny = 1.0f;
data[2].Nz = 0.0f;
data[3].X = 100.0f; // se
data[3].Y = -100.0f;
data[3].Z = -100.0f;
data[3].U = 0.0f;
data[3].V = 1.0f;
data[3].Nx = 0.0f;
data[3].Ny = 1.0f;
data[3].Nz = 0.0f;
break;
case SkyFaceSide.Left:
data[0].X = -100.0f; // upper south
data[0].Y = 100.0f;
data[0].Z = -100.0f;
data[0].U = 0.0f;
data[0].V = 0.0f;
data[0].Nx = 1.0f;
data[0].Ny = 0.0f;
data[0].Nz = 0.0f;
data[1].X = -100.0f; // upper north
data[1].Y = 100.0f;
data[1].Z = 100.0f;
data[1].U = 1.0f;
data[1].V = 0.0f;
data[1].Nx = 1.0f;
data[1].Ny = 0.0f;
data[1].Nz = 0.0f;
data[2].X = -100.0f; // lower south
data[2].Y = -100.0f;
data[2].Z = -100.0f;
data[2].U = 0.0f;
data[2].V = 1.0f;
data[2].Nx = 1.0f;
data[2].Ny = 0.0f;
data[2].Nz = 0.0f;
data[3].X = -100.0f; // lower north
data[3].Y = -100.0f;
data[3].Z = 100.0f;
data[3].U = 1.0f;
data[3].V = 1.0f;
data[3].Nx = 1.0f;
data[3].Ny = 0.0f;
data[3].Nz = 0.0f;
break;
case SkyFaceSide.Right:
data[0].X = 100.0f; // upper ne
data[0].Y = 100.0f;
data[0].Z = 100.0f;
data[0].U = 0.0f;
data[0].V = 0.0f;
data[0].Nx = -1.0f;
data[0].Ny = 0.0f;
data[0].Nz = 0.0f;
data[1].X = 100.0f; // upper se
data[1].Y = 100.0f;
data[1].Z = -100.0f;
data[1].U = 1.0f;
data[1].V = 0.0f;
data[1].Nx = -1.0f;
data[1].Ny = 0.0f;
data[1].Nz = 0.0f;
data[2].X = 100.0f; // lower ne
data[2].Y = -100.0f;
data[2].Z = 100.0f;
data[2].U = 0.0f;
data[2].V = 1.0f;
data[2].Nx = -1.0f;
data[2].Ny = 0.0f;
data[2].Nz = 0.0f;
data[3].X = 100.0f; // lower se
data[3].Y = -100.0f;
data[3].Z = -100.0f;
data[3].U = 1.0f;
data[3].V = 1.0f;
data[3].Nx = -1.0f;
data[3].Ny = 0.0f;
data[3].Nz = 0.0f;
break;
case SkyFaceSide.Front:
data[0].X = -100.0f; // upper nw
data[0].Y = 100.0f;
data[0].Z = 100.0f;
data[0].U = 0.0f;
data[0].V = 0.0f;
data[0].Nx = 0.0f;
data[0].Ny = 0.0f;
data[0].Nz = -1.0f;
data[1].X = 100.0f; // upper ne
data[1].Y = 100.0f;
data[1].Z = 100.0f;
data[1].U = 1.0f;
data[1].V = 0.0f;
data[1].Nx = 0.0f;
data[1].Ny = 0.0f;
data[1].Nz = -1.0f;
data[2].X = -100.0f; // lower nw
data[2].Y = -100.0f;
data[2].Z = 100.0f;
data[2].U = 0.0f;
data[2].V = 1.0f;
data[2].Nx = 0.0f;
data[2].Ny = 0.0f;
data[2].Nz = -1.0f;
data[3].X = 100.0f; // lower ne
data[3].Y = -100.0f;
data[3].Z = 100.0f;
data[3].U = 1.0f;
data[3].V = 1.0f;
data[3].Nx = 0.0f;
data[3].Ny = 0.0f;
data[3].Nz = -1.0f;
break;
case SkyFaceSide.Back:
data[0].X = 100.0f; // upper se
data[0].Y = 100.0f;
data[0].Z = -100.0f;
data[0].U = 0.0f;
data[0].V = 0.0f;
data[0].Nx = 0.0f;
data[0].Ny = 0.0f;
data[0].Nz = -1.0f;
data[1].X = -100.0f; // upper sw
data[1].Y = 100.0f;
data[1].Z = -100.0f;
data[1].U = 1.0f;
data[1].V = 0.0f;
data[1].Nx = 0.0f;
data[1].Ny = 0.0f;
data[1].Nz = -1.0f;
data[2].X = 100.0f; // lower se
data[2].Y = -100.0f;
data[2].Z = -100.0f;
data[2].U = 0.0f;
data[2].V = 1.0f;
data[2].Nx = 0.0f;
data[2].Ny = 0.0f;
data[2].Nz = -1.0f;
data[3].X = -100.0f; // lower sw
data[3].Y = -100.0f;
data[3].Z = -100.0f;
data[3].U = 1.0f;
data[3].V = 1.0f;
data[3].Nx = 0.0f;
data[3].Ny = 0.0f;
data[3].Nz = -1.0f;
break;
}
this.corners.Write(data);
this.vertexBuffer.Unlock();
this.texture = new Texture(GameEngine.Device, textureName);
this.valid = true;
}
/// <summary>
/// Builds up and initializes all the texture information for the map.
/// </summary>
public void Load(Tileset tileset)
{
long totalQuads = this.width * this.height;
double scaledPercent = 0;
double nonScaledPercent;
nonScaledPercent = 0;
int alt;
GridCell cell;
for (int x = 0; x < this.width; x++)
{
for (int y = 0; y < this.height; y++)
{
this.elevations[x, y].X = x * this.spacing;
this.elevations[x, y].Z = y * this.spacing;
cell = this.grid.GetCell(new Point(x, y));
alt = 0; // cell.Altitude;
if (alt < 0 && !cell.IsDry)
{
alt = 0;
}
this.elevations[x, y].Y = alt; // this.grid.GetCell(new Point(x, y)).Altitude;
}
nonScaledPercent += (double)this.height / totalQuads;
scaledPercent = (nonScaledPercent * 33);
OnLoadProgressChanged(new StatusChangedEventArgs("Loading Elevation Data...", (int)scaledPercent));
}
for (int x = 0; x < this.width; x++)
{
for (int y = 0; y < this.height; y++)
{
this.terrainQuads[x, y] = new TerrainQuad(
"Quad" + x + "-" + y,
this.elevations[x, y],
this.elevations[x + 1, y],
this.elevations[x, y + 1],
this.elevations[x + 1, y + 1]);
cell = this.grid.GetCell(new Point(x, y));
this.terrainQuads[x, y].Texture = (Texture)tileset.TerrainTiles[cell.Terrain.Name].TileImage;
GameEngine.TopQuadTreeNode.AddObject(this.terrainQuads[x, y]);
}
nonScaledPercent += (double)this.height / totalQuads;
scaledPercent = nonScaledPercent * 33;
OnLoadProgressChanged(new StatusChangedEventArgs("Loading Terrain Quads...", (int)scaledPercent));
}
for (int x = 1; x < this.width - 1; x++)
{
for (int y = 1; y < this.height - 1; y++)
{
Vector3 southWestNormal =
this.terrainQuads[x, y].FaceNormals + this.terrainQuads[x - 1, y - 1].FaceNormals +
this.terrainQuads[x - 1, y].FaceNormals + this.terrainQuads[x, y - 1].FaceNormals;
this.terrainQuads[x, y].SetCornerNormal(0, southWestNormal);
Vector3 southEastNormal =
this.terrainQuads[x, y].FaceNormals + this.terrainQuads[x, y - 1].FaceNormals +
this.terrainQuads[x + 1, y].FaceNormals + this.terrainQuads[x + 1, y - 1].FaceNormals;
this.terrainQuads[x, y].SetCornerNormal(1, southEastNormal);
Vector3 northWestNormal =
terrainQuads[x, y].FaceNormals + this.terrainQuads[x - 1, y].FaceNormals +
this.terrainQuads[x - 1, y + 1].FaceNormals + this.terrainQuads[x, y + 1].FaceNormals;
this.terrainQuads[x, y].SetCornerNormal(2, northWestNormal);
Vector3 northEastNormal =
this.terrainQuads[x, y].FaceNormals + this.terrainQuads[x, y + 1].FaceNormals +
this.terrainQuads[x + 1, y + 1].FaceNormals + this.terrainQuads[x + 1, y].FaceNormals;
this.terrainQuads[x, y].SetCornerNormal(3, northEastNormal);
}
nonScaledPercent += (double)this.height / totalQuads;
scaledPercent = nonScaledPercent * 33;
OnLoadProgressChanged(new StatusChangedEventArgs("Setting Normal Vectors...", (int)scaledPercent));
}
this.vertexBuffer = VertexBuffer.CreateGeneric <PositionNormalTextured>(
GameEngine.Device,
numVertices,
Usage.WriteOnly,
PositionNormalTextured.Format,
Pool.Default,
null);
}
