private void CreateChildNodes(VertexMultiTextured[,] vertexArray, int maxSize)
{
VertexMultiTextured[,] ulArray = new VertexMultiTextured[width / 2 + 1, height / 2 + 1];
for (int w = 0; w < width / 2 + 1; w++)
for (int h = 0; h < height / 2 + 1; h++)
ulArray[w, h] = vertexArray[w, h];
nodeUL = new QTNode(ulArray, device, grassTexture, maxSize, effect, rockTexture, snowTexture, sandTexture);
VertexMultiTextured[,] urArray = new VertexMultiTextured[width - (width / 2), height / 2 + 1];
for (int w = 0; w < width - (width / 2); w++)
for (int h = 0; h < height / 2 + 1; h++)
urArray[w, h] = vertexArray[width / 2 + w, h];
nodeUR = new QTNode(urArray, device, grassTexture, maxSize, effect, rockTexture, snowTexture, sandTexture);
VertexMultiTextured[,] llArray = new VertexMultiTextured[width / 2 + 1, height - (height / 2)];
for (int w = 0; w < width / 2 + 1; w++)
for (int h = 0; h < height - (height / 2); h++)
llArray[w, h] = vertexArray[w, height / 2 + h];
nodeLL = new QTNode(llArray, device, grassTexture, maxSize, effect, rockTexture, snowTexture, sandTexture);
VertexMultiTextured[,] lrArray = new VertexMultiTextured[width - (width / 2), height - (height / 2)];
for (int w = 0; w < width - (width / 2); w++)
for (int h = 0; h < height - (height / 2); h++)
lrArray[w, h] = vertexArray[width / 2 + w, height / 2 + h];
nodeLR = new QTNode(lrArray, device, grassTexture, maxSize, effect, rockTexture, snowTexture, sandTexture);
}
protected override void LoadContent()
{
//Loading textures and effects from content
terrainMap = Game.Content.Load<Texture2D>("Models/Terrain/Heightmaps/heightmap4");
grassTexture = Game.Content.Load<Texture2D>("Models/Terrain/Textures/grass");
sandTexture = Game.Content.Load<Texture2D>("Models/Terrain/Textures/sand");
snowTexture = Game.Content.Load<Texture2D>("Models/Terrain/Textures/snow");
rockTexture = Game.Content.Load<Texture2D>("Models/Terrain/Textures/rock");
TerrainUtils.LoadHeightData(terrainMap, ref heightData, ref width, ref height);
TerrainUtils.SetUpVertices(heightData, ref vertices, width, height);
indices = TerrainUtils.CreateTerrainIndices(width, height);
vertices = TerrainUtils.GenerateNormalsForTriangleStrip(vertices, indices);
VertexMultiTextured[,] vertexArray = TerrainUtils.Reshape1DTo2D<VertexMultiTextured>(vertices, width, height);
rootNode = new QTNode(vertexArray, device, grassTexture, 64, effect, rockTexture, snowTexture, sandTexture);
TerrainUtils.CopyToBuffer(ref vertexBuffer, ref indexBuffer, vertices, indices, device);
int terrainSize = 32;
Triangle leftTriangle = new Triangle(null, new Vector2(0, 0), new Vector2(terrainSize, 0), new Vector2(0, terrainSize), heightData);
Triangle rightTriangle = new Triangle(null, new Vector2(terrainSize, terrainSize), new Vector2(0, terrainSize), new Vector2(terrainSize, 0), heightData);
leftTriangle.AddNeighs(null, null, rightTriangle);
rightTriangle.AddNeighs(null, null, leftTriangle);
triangleList = new List<Triangle>();
triangleList.Add(leftTriangle);
triangleList.Add(rightTriangle);
indicesList = new List<int>();
foreach (Triangle t in triangleList)
t.AddIndices(ref indicesList);
dynamicIndexBuffer = new DynamicIndexBuffer(device, typeof(int), indicesList.Count, BufferUsage.WriteOnly);
dynamicIndexBuffer.SetData(indicesList.ToArray(), 0, indicesList.Count, SetDataOptions.Discard);
dynamicIndexBuffer.ContentLost += dynamicIndexBuffer_ContentLost;
}