public Q3BSPSkybox(float length, int tessNumber, GraphicsDevice graphicsDevice, Q3BSPShaderManager shaderManager)
{
if (tessNumber < 2)
{
tessNumber = 2;
}
float halfLength = length / 2;
int verticesOnEdges = tessNumber - 2;
int verticesOnFaces = verticesOnEdges * verticesOnEdges;
// # on corners + # on one edge * 12 + # on one face * 6
int numberOfVertices = 8 + verticesOnEdges * 12 + verticesOnFaces * 6;
int[,,] indexMatrices = new int[6, tessNumber, tessNumber];
#region Build Skybox Geometry
vertices = new VertexPosition[numberOfVertices];
indices = new short[(tessNumber - 1) * (tessNumber - 1) * 2 * 3 * 6];
vertices.Initialize();
// Top: 0-3-2-1 Bottom: 4-7-6-5
// Front: 0-4-5-1 Back: 3-7-6-2
// Left: 0-3-7-4 Right: 1-2-6-5
#region Corners
vertices[0].Position = new Vector3(halfLength, halfLength, halfLength);
vertices[1].Position = new Vector3(-halfLength, halfLength, halfLength);
vertices[2].Position = new Vector3(-halfLength, halfLength, -halfLength);
vertices[3].Position = new Vector3(halfLength, halfLength, -halfLength);
vertices[4].Position = new Vector3(halfLength, -halfLength, halfLength);
vertices[5].Position = new Vector3(-halfLength, -halfLength, halfLength);
vertices[6].Position = new Vector3(-halfLength, -halfLength, -halfLength);
vertices[7].Position = new Vector3(halfLength, -halfLength, -halfLength);
// Fill out index matrices for these corners
int end = verticesOnEdges + 1;
// Top
indexMatrices[0, 0, 0] = 0;
indexMatrices[0, 0, end] = 3;
indexMatrices[0, end, end] = 2;
indexMatrices[0, end, 0] = 1;
// Front
indexMatrices[1, 0, 0] = 0;
indexMatrices[1, 0, end] = 4;
indexMatrices[1, end, end] = 5;
indexMatrices[1, end, 0] = 1;
// Left
indexMatrices[2, 0, 0] = 0;
indexMatrices[2, 0, end] = 3;
indexMatrices[2, end, end] = 7;
indexMatrices[2, end, 0] = 4;
// Bottom
indexMatrices[3, 0, 0] = 4;
indexMatrices[3, 0, end] = 7;
indexMatrices[3, end, end] = 6;
indexMatrices[3, end, 0] = 5;
// Back
indexMatrices[4, 0, 0] = 3;
indexMatrices[4, 0, end] = 7;
indexMatrices[4, end, end] = 6;
indexMatrices[4, end, 0] = 2;
// Right
indexMatrices[5, 0, 0] = 1;
indexMatrices[5, 0, end] = 2;
indexMatrices[5, end, end] = 6;
indexMatrices[5, end, 0] = 5;
#endregion
#region Edges
BuildEdgeVertexPositions(0, 1, 8 + (0 * verticesOnEdges), tessNumber, length, ref indexMatrices);
BuildEdgeVertexPositions(1, 2, 8 + (1 * verticesOnEdges), tessNumber, length, ref indexMatrices);
BuildEdgeVertexPositions(3, 2, 8 + (2 * verticesOnEdges), tessNumber, length, ref indexMatrices);
BuildEdgeVertexPositions(0, 3, 8 + (3 * verticesOnEdges), tessNumber, length, ref indexMatrices);
BuildEdgeVertexPositions(0, 4, 8 + (4 * verticesOnEdges), tessNumber, length, ref indexMatrices);
BuildEdgeVertexPositions(1, 5, 8 + (5 * verticesOnEdges), tessNumber, length, ref indexMatrices);
BuildEdgeVertexPositions(2, 6, 8 + (6 * verticesOnEdges), tessNumber, length, ref indexMatrices);
BuildEdgeVertexPositions(3, 7, 8 + (7 * verticesOnEdges), tessNumber, length, ref indexMatrices);
BuildEdgeVertexPositions(4, 5, 8 + (8 * verticesOnEdges), tessNumber, length, ref indexMatrices);
BuildEdgeVertexPositions(5, 6, 8 + (9 * verticesOnEdges), tessNumber, length, ref indexMatrices);
BuildEdgeVertexPositions(7, 6, 8 + (10 * verticesOnEdges), tessNumber, length, ref indexMatrices);
BuildEdgeVertexPositions(4, 7, 8 + (11 * verticesOnEdges), tessNumber, length, ref indexMatrices);
#endregion
#region Faces
BuildFaceVertexPositions(0, 8 + (12 * verticesOnEdges) + (0 * verticesOnFaces), tessNumber, length, indexMatrices);
BuildFaceVertexPositions(1, 8 + (12 * verticesOnEdges) + (1 * verticesOnFaces), tessNumber, length, indexMatrices);
BuildFaceVertexPositions(2, 8 + (12 * verticesOnEdges) + (2 * verticesOnFaces), tessNumber, length, indexMatrices);
BuildFaceVertexPositions(3, 8 + (12 * verticesOnEdges) + (3 * verticesOnFaces), tessNumber, length, indexMatrices);
BuildFaceVertexPositions(4, 8 + (12 * verticesOnEdges) + (4 * verticesOnFaces), tessNumber, length, indexMatrices);
BuildFaceVertexPositions(5, 8 + (12 * verticesOnEdges) + (5 * verticesOnFaces), tessNumber, length, indexMatrices);
#endregion
BuildIndexBuffer(indexMatrices);
#endregion
this.vertexDeclaration = new VertexDeclaration(graphicsDevice, VertexPosition.VertexElements);
this.shaderManager = shaderManager;
}
/// <param name="shaderPath">Path to the directory that contains all compiled .shaders. Is relative to the Content.BasePath directory. Do not include a leading '/'.</param>
public bool InitializeLevel(GraphicsDevice graphics, ContentManager content, string shaderPath, string quakePath)
{
bool bSuccess = true;
lightMapManager = new Q3BSPLightMapManager();
bSuccess = lightMapManager.GenerateLightMaps(lightMapData, graphics);
if (bSuccess)
{
shaderManager = new Q3BSPShaderManager();
shaderManager.ShaderPath = shaderPath;
shaderManager.QuakePath = quakePath;
bSuccess = shaderManager.LoadTextures(textureData, graphics, content);
}
if (bSuccess && shaderManager.SkyMaterial != null)
{
skybox = new Q3BSPSkybox(skyboxSize, skyboxTessellation, graphics, shaderManager);
}
if (bSuccess)
{
shaderManager.LightMapManager = lightMapManager;
}
levelInitialized = bSuccess;
if (renderType == Q3BSPRenderType.StaticBuffer)
{
InitializeStatic(graphics);
}
else if (renderType == Q3BSPRenderType.BSPCulling)
{
Q3BSPFace[] tempFaces = new Q3BSPFace[faces.Length];
faces.CopyTo(tempFaces, 0);
System.Array.Sort(tempFaces, new Q3BSPFaceComparer());
int indexCount = 0;
int lastTextureIndex = 0;
int lastLightMapIndex = 0;
this.maximumNumberOfIndicesToDraw = 0;
foreach (Q3BSPFace face in tempFaces)
{
// The current index buffer is done and needs to be refreshed.
if ((face.TextureIndex != lastTextureIndex || face.LightMapIndex != lastLightMapIndex))
{
if (face.TextureIndex == 4)
{
indexCount += 0;
}
if (indexCount > maximumNumberOfIndicesToDraw)
{
maximumNumberOfIndicesToDraw = indexCount;
}
indexCount = 0;
}
lastTextureIndex = face.TextureIndex;
lastLightMapIndex = face.LightMapIndex;
indexCount += face.MeshVertexCount;
}
if (indexCount > maximumNumberOfIndicesToDraw)
{
maximumNumberOfIndicesToDraw = indexCount;
}
}
bspLogger.WriteLine("Level initialized: " + levelInitialized.ToString());
return(levelInitialized);
}
