public DemoPartitionContext(
GraphicsDevice graphicsDevice, ContentManager content, CDLODSettings settings,
ICDLODVisibleRanges visibleRanges)
{
GraphicsDevice = graphicsDevice;
Content = content;
this.settings = settings;
TerrainRenderer = new DemoTerrainRenderer(GraphicsDevice, Content, settings);
TerrainRenderer.InitializeMorphConsts(visibleRanges);
var heightColors = new HeightColorCollection();
// default settings.
heightColors.AddColor(-1.0000f, new Color( 0, 0, 128, 255));
heightColors.AddColor(-0.2500f, new Color( 0, 0, 255, 255));
heightColors.AddColor( 0.0000f, new Color( 0, 128, 255, 255));
heightColors.AddColor( 0.0625f, new Color(240, 240, 64, 255));
heightColors.AddColor( 0.1250f, new Color( 32, 160, 0, 255));
heightColors.AddColor( 0.3750f, new Color(224, 224, 0, 255));
heightColors.AddColor( 0.7500f, new Color(128, 128, 128, 255));
heightColors.AddColor( 1.0000f, new Color(255, 255, 255, 255));
TerrainRenderer.InitializeHeightColors(heightColors);
Selection = new CDLODSelection(settings, visibleRanges);
}
public Node(int x, int y, int size, ref CDLODSettings settings)
{
this.x = x;
this.y = y;
this.size = size;
if (settings.LeafNodeSize < size)
{
// if not a leaf node, then create child nodes.
int childSize = size / 2;
childTopLeft = new Node(x, y, childSize, ref settings);
level = childTopLeft.level + 1;
if (x + childSize < settings.HeightMapWidth - 1)
{
childTopRight = new Node(x + childSize, y, childSize, ref settings);
}
if (y + childSize < settings.HeightMapHeight - 1)
{
childBottomLeft = new Node(x, y + childSize, childSize, ref settings);
}
if (x + childSize < settings.HeightMapWidth - 1 &&
y + childSize < settings.HeightMapHeight - 1)
{
childBottomRight = new Node(x + childSize, y + childSize, childSize, ref settings);
}
}
}
public DemoTerrainRenderer(GraphicsDevice graphicsDevice, ContentManager content, CDLODSettings settings)
{
GraphicsDevice = graphicsDevice;
Content = content;
this.settings = settings;
renderer = new CDLODTerrainRenderer(graphicsDevice, settings);
sourceEffect = Content.Load<Effect>("TerrainEffect");
effect = new TerrainEffect(sourceEffect);
effect.LevelCount = settings.LevelCount;
effect.TerrainScale = settings.TerrainScale;
effect.PatchGridSize = renderer.PatchGridSize;
effect.SetHeightMapInfo(settings.HeightMapWidth, settings.HeightMapHeight);
lightDirection = new Vector3(0, -1, -1);
lightDirection.Normalize();
boundingBoxDrawer = new BoundingBoxDrawer(GraphicsDevice);
debugEffect = new BasicEffect(GraphicsDevice);
debugEffect.AmbientLightColor = Vector3.One;
debugEffect.VertexColorEnabled = true;
HeightColorVisible = true;
LightEnabled = true;
}
public DemoTerrainRenderer(GraphicsDevice graphicsDevice, ContentManager content, CDLODSettings settings)
{
GraphicsDevice = graphicsDevice;
Content = content;
this.settings = settings;
renderer = new CDLODTerrainRenderer(graphicsDevice, settings);
sourceEffect = Content.Load<Effect>("TerrainEffect");
effect = new TerrainEffect(sourceEffect);
effect.LevelCount = settings.LevelCount;
effect.TerrainScale = settings.TerrainScale;
effect.PatchGridSize = renderer.PatchGridSize;
effect.HeightMapSize = new Vector2(settings.HeightMapWidth, settings.HeightMapHeight);
effect.DiffuseMap0 = Content.Load<Texture2D>("Textures/DiffuseMap0");
effect.DiffuseMap1 = Content.Load<Texture2D>("Textures/DiffuseMap1");
effect.DiffuseMap2 = Content.Load<Texture2D>("Textures/DiffuseMap2");
effect.DiffuseMap3 = Content.Load<Texture2D>("Textures/DiffuseMap3");
effect.SetDiffuseRange0(-settings.HeightScale * 1.5f, -settings.HeightScale * 0.5f);
effect.SetDiffuseRange1(-settings.HeightScale * 0.5f, 0);
effect.SetDiffuseRange2(0, settings.HeightScale * 0.5f);
effect.SetDiffuseRange3(settings.HeightScale * 0.5f, settings.HeightScale * 1.5f);
effect.DiffuseMapScale = settings.MapScale;
lightDirection = new Vector3(0, -1, -1);
lightDirection.Normalize();
boundingBoxDrawer = new BoundingBoxDrawer(GraphicsDevice);
debugEffect = new BasicEffect(GraphicsDevice);
debugEffect.AmbientLightColor = Vector3.One;
debugEffect.VertexColorEnabled = true;
RenderMode = TerrainRenderMode.HeightColor;
LightEnabled = true;
}
public DemoPartitionContext(
GraphicsDevice graphicsDevice, ContentManager content, CDLODSettings settings,
ICDLODVisibleRanges visibleRanges, SampleSourceDelegate noiseSource,
float noiseMinX, float noiseMinY, float noiseWidth, float noiseHeight)
{
GraphicsDevice = graphicsDevice;
Content = content;
this.settings = settings;
NoiseSource = noiseSource;
NoiseMinX = noiseMinX;
NoiseMinY = noiseMinY;
NoiseWidth = noiseWidth;
NoiseHeight = noiseHeight;
TerrainRenderer = new DemoTerrainRenderer(GraphicsDevice, Content, settings);
TerrainRenderer.InitializeMorphConsts(visibleRanges);
var heightColors = new HeightColorCollection();
// default settings.
heightColors.AddColor(-1.0000f, Color.Navy);
heightColors.AddColor(-0.2500f, Color.Blue);
heightColors.AddColor( 0.0000f, Color.LightSeaGreen);
heightColors.AddColor( 0.0625f, Color.Khaki);
heightColors.AddColor( 0.1250f, Color.DarkGreen);
heightColors.AddColor( 0.3750f, Color.DarkGoldenrod);
heightColors.AddColor( 0.7500f, Color.Gray);
heightColors.AddColor( 1.0000f, Color.White);
TerrainRenderer.InitializeHeightColors(heightColors);
Selection = new CDLODSelection(settings, visibleRanges);
}
public CDLODDefaultVisibleRanges(CDLODSettings settings)
{
this.settings = settings;
FinestNodeSize = DefaultFinestNodeSize;
DetailBalance = DefaultDetailBalance;
ranges = new float[settings.LevelCount];
}
public CDLODSelection(CDLODSettings settings, ICDLODVisibleRanges visibleRanges)
{
Settings = settings;
VisibleRanges = visibleRanges;
Frustum = new BoundingFrustum(Matrix.Identity);
selectedNodes = new CDLODSelectedNode[MaxSelectedNodeCount];
}
public QuadTree(CDLODSettings settings)
{
topNodeSize = settings.TopNodeSize;
topNodeCountX = (int) Math.Ceiling((settings.HeightMapWidth - 1) / (float) topNodeSize);
topNodeCountY = (int) Math.Ceiling((settings.HeightMapHeight - 1) / (float) topNodeSize);
topNodes = new Node[topNodeCountX, topNodeCountY];
for (int y = 0; y < topNodeCountY; y++)
for (int x = 0; x < topNodeCountX; x++)
topNodes[x, y] = new Node(x * topNodeSize, y * topNodeSize, topNodeSize, ref settings);
}
public CDLODTerrainRenderer(GraphicsDevice graphicsDevice, CDLODSettings settings)
{
if (graphicsDevice == null) throw new ArgumentNullException("graphicsDevice");
GraphicsDevice = graphicsDevice;
this.settings = settings;
instanceVertexBuffer = new WritableVertexBuffer<PatchInstanceVertex>(GraphicsDevice, CDLODSelection.MaxSelectedNodeCount * 2);
// TODO: I want to change a patch resolution at runtime.
// patchGridSize = leafNodeSize * patchResolution;
patchMesh = new PatchMesh(GraphicsDevice, settings.PatchGridSize);
}
public DemoPartition(DemoPartitionContext context)
{
if (context == null) throw new ArgumentNullException("context");
this.context = context;
settings = context.Settings;
heightMap = new NoiseHeightMap(context.GraphicsDevice, settings.HeightMapWidth, settings.HeightMapHeight);
heightMap.NoiseSource = context.Noise;
normalMap = new NormalMap(context.GraphicsDevice, settings.HeightMapWidth, settings.HeightMapHeight);
normalMap.HeightMap = heightMap;
normalMap.Amplitude = settings.HeightScale;
noiseRainMap = new NoiseRainMap(settings.HeightMapWidth, settings.HeightMapHeight);
noiseRainMap.NoiseSource = rainNoise.Sample;
noiseRainMap.RainAmount = 0.5f;
uniformRainMap = new Map<float>(settings.HeightMapWidth, settings.HeightMapHeight);
uniformRainMap.Fill(0.8f);
terrainRainMap = new Map<float>(settings.HeightMapWidth, settings.HeightMapHeight);
hydraulicErosion.HeightMap = heightMap;
//hydraulicErosion.RainMap = noiseRainMap;
//hydraulicErosion.RainMap = uniformRainMap;
hydraulicErosion.RainMap = terrainRainMap;
fastHydraulicErosion.HeightMap = heightMap;
//fastHydraulicErosion.RainMap = noiseRainMap;
//fastHydraulicErosion.RainMap = uniformRainMap;
fastHydraulicErosion.RainMap = terrainRainMap;
musgraveHydraulicErosion.HeightMap = heightMap;
//musgraveHydraulicErosion.RainMap = noiseRainMap;
//musgraveHydraulicErosion.RainMap = uniformRainMap;
musgraveHydraulicErosion.RainMap = terrainRainMap;
thermalErosion.HeightMap = heightMap;
fastThermalErosion.HeightMap = heightMap;
terrain = new CDLODTerrain(context.Settings);
terrain.HeightMap = heightMap;
}
public DemoPartition(DemoPartitionContext context)
{
if (context == null)
throw new ArgumentNullException("context");
this.context = context;
settings = context.Settings;
heightMap = new Map<float>(settings.HeightMapWidth, settings.HeightMapHeight);
terrain = new CDLODTerrain(context.Settings);
terrain.HeightMap = heightMap;
texture = new Texture2D(context.GraphicsDevice, settings.HeightMapWidth, settings.HeightMapWidth, false, SurfaceFormat.Single);
md.Destination = heightMap;
md.Seed = context.MDSeed;
fastThermalErosion.HeightMap = heightMap;
fastThermalErosion.Talus = 0.5f;
}
public CDLODTerrain(CDLODSettings settings)
{
this.settings = settings;
quadTree = new QuadTree(settings);
}
