private EffectParameterBinding CreateNoiseMapBinding <T>(Effect effect,
EffectParameter parameter, IDictionary <string, object> opaqueData) where T : Texture
{
var noiseMap = NoiseHelper.GetNoiseTexture(_graphicsService);
return(new ConstParameterBinding <T>(effect, parameter, noiseMap as T));
}
public TerrainTextureSample(Microsoft.Xna.Framework.Game game)
: base(game)
{
SampleFramework.IsMouseVisible = false;
_graphicsScreen = new DeferredGraphicsScreen(Services);
_graphicsScreen.DrawReticle = true;
GraphicsService.Screens.Insert(0, _graphicsScreen);
GameObjectService.Objects.Add(new DeferredGraphicsOptionsObject(Services));
Services.Register(typeof(DebugRenderer), null, _graphicsScreen.DebugRenderer);
var scene = _graphicsScreen.Scene;
Services.Register(typeof(IScene), null, scene);
// Add gravity and damping to the physics simulation.
Simulation.ForceEffects.Add(new Gravity());
Simulation.ForceEffects.Add(new Damping());
// Add a custom game object which controls the camera.
var cameraGameObject = new CameraObject(Services, 60);
cameraGameObject.ResetPose(new Vector3F(0, 1.8f, 0), 0, 0);
GameObjectService.Objects.Add(cameraGameObject);
_graphicsScreen.ActiveCameraNode = cameraGameObject.CameraNode;
for (int i = 0; i < 10; i++)
{
GameObjectService.Objects.Add(new DynamicObject(Services, 1));
}
GameObjectService.Objects.Add(new DynamicSkyObject(Services, true, false, true));
// Create a simple flat terrain.
var terrain = new Terrain();
_terrainTile = new TerrainTile(GraphicsService)
{
OriginX = -100,
OriginZ = -100,
CellSize = 1,
};
terrain.Tiles.Add(_terrainTile);
// Create a flat dummy height texture.
float[] heights = new float[200 * 200];
Texture2D heightTexture = null;
TerrainHelper.CreateHeightTexture(
GraphicsService.GraphicsDevice,
heights,
200,
200,
false,
ref heightTexture);
_terrainTile.HeightTexture = heightTexture;
var shadowMapEffect = ContentManager.Load <Effect>("DigitalRune/Terrain/TerrainShadowMap");
var gBufferEffect = ContentManager.Load <Effect>("DigitalRune/Terrain/TerrainGBuffer");
var materialEffect = ContentManager.Load <Effect>("DigitalRune/Terrain/TerrainMaterial");
var material = new Material
{
{ "ShadowMap", new EffectBinding(GraphicsService, shadowMapEffect, null, EffectParameterHint.Material) },
{ "GBuffer", new EffectBinding(GraphicsService, gBufferEffect, null, EffectParameterHint.Material) },
{ "Material", new EffectBinding(GraphicsService, materialEffect, null, EffectParameterHint.Material) }
};
var terrainNode = new TerrainNode(terrain, material)
{
DetailClipmap =
{
CellsPerLevel = 1364,
NumberOfLevels = 9,
EnableMipMap = true,
},
};
scene.Children.Add(terrainNode);
// Add 3 detail textures layers: gravel, rock, snow.
float detailCellSize = terrainNode.DetailClipmap.CellSizes[0];
var materialGravel = new TerrainMaterialLayer(GraphicsService)
{
DiffuseTexture = ContentManager.Load <Texture2D>("Terrain/Gravel-Diffuse"),
NormalTexture = ContentManager.Load <Texture2D>("Terrain/Gravel-Normal"),
SpecularTexture = ContentManager.Load <Texture2D>("Terrain/Gravel-Specular"),
TileSize = detailCellSize * 512,
BlendRange = 0.1f,
};
_terrainTile.Layers.Add(materialGravel);
var noiseTexture = NoiseHelper.GetNoiseTexture(GraphicsService, 128, 60);
var materialRock = new TerrainMaterialLayer(GraphicsService)
{
DiffuseTexture = ContentManager.Load <Texture2D>("Terrain/Rock-02-Diffuse"),
NormalTexture = ContentManager.Load <Texture2D>("Terrain/Rock-02-Normal"),
SpecularTexture = ContentManager.Load <Texture2D>("Terrain/Rock-02-Specular"),
HeightTexture = ContentManager.Load <Texture2D>("Terrain/Rock-02-Height"),
TileSize = detailCellSize * 1024,
DiffuseColor = new Vector3F(1 / 0.702f),
BlendTexture = noiseTexture,
BlendTextureChannel = 0,
BlendRange = 0.1f,
TerrainHeightBlendRange = 0.1f,
};
_terrainTile.Layers.Add(materialRock);
var materialSnow = new TerrainMaterialLayer(GraphicsService)
{
DiffuseTexture = ContentManager.Load <Texture2D>("Terrain/Snow-Diffuse"),
NormalTexture = ContentManager.Load <Texture2D>("Terrain/Snow-Normal"),
SpecularTexture = ContentManager.Load <Texture2D>("Terrain/Snow-Specular"),
TileSize = detailCellSize * 512,
BlendTexture = noiseTexture,
BlendTextureChannel = 1,
BlendRange = 0.1f,
};
_terrainTile.Layers.Add(materialSnow);
// Create a flat plane for collision detection.
var rigidBody = new RigidBody(new PlaneShape(), new MassFrame(), null)
{
MotionType = MotionType.Static,
};
Simulation.RigidBodies.Add(rigidBody);
CreateGuiControls();
}
