public void run()
{
/* The start of the main function starts like in most other example.
* We ask the user for the desired renderer and start it up.
*/
// ask user for driver
DriverType driverType;
// Ask user to select driver:
StringBuilder sb = new StringBuilder();
sb.Append("Please select the driver you want for this example:\n");
sb.Append("\n(a) Direct3D 9.0c\n(b) Direct3D 8.1\n(c) OpenGL 1.5");
sb.Append("\n(d) Software Renderer\n(e)Apfelbaum Software Renderer");
sb.Append("\n(f) Null Device\n(otherKey) exit\n\n");
// Get the user's input:
TextReader tIn = Console.In;
TextWriter tOut = Console.Out;
tOut.Write(sb.ToString());
string input = tIn.ReadLine();
// Select device based on user's input:
switch (input)
{
case "a":
driverType = DriverType.DIRECT3D9;
break;
case "b":
driverType = DriverType.DIRECT3D8;
break;
case "c":
driverType = DriverType.OPENGL;
break;
case "d":
driverType = DriverType.SOFTWARE;
break;
case "e":
driverType = DriverType.SOFTWARE2;
break;
case "f":
driverType = DriverType.NULL_DRIVER;
break;
default:
return;
}
// Create device and exit if creation fails:
IrrlichtDevice device = new IrrlichtDevice(
driverType, new Dimension2D(640, 480), 32, false, true, true);
if (device == null)
{
tOut.Write("Device creation failed.");
return;
}
/* set this as event receiver*/
device.EventReceiver = this;
/*************************************************/
/* First, we add standard stuff to the scene: A nice irrlicht engine logo,
* a small help text, a user controlled camera, and we disable the mouse
* cursor.*/
ISceneManager smgr = device.SceneManager;
IVideoDriver driver = device.VideoDriver;
IGUIEnvironment env = device.GUIEnvironment;
driver.SetTextureCreationFlag(TextureCreationFlag.ALWAYS_32_BIT, true);
// add irrlicht logo
env.AddImage(driver.GetTexture(path + "irrlichtlogoalpha.tga"),
new Position2D(10, 10), true, null, 0, "");
// add some help text
IGUIStaticText text = env.AddStaticText(
"Press 'W' to change wireframe mode\nPress 'D' to toggle detail map",
new Rect(10, 453, 200, 475), true, true, null, -1);
// add camera
ICameraSceneNode camera =
smgr.AddCameraSceneNodeFPS(null, 100.0f, 1200.0f, -1);
camera.Position = new Vector3D(1900 * 2, 255 * 2, 3700 * 2);
camera.Target = new Vector3D(2397 * 2, 343 * 2, 2700 * 2);
camera.FarValue = 12000.0f;
// disable mouse cursor
device.CursorControl.Visible = false;
/* Here comes the terrain renderer scene node: We add it just like any other scene
* node to the scene using ISceneManager::addTerrainSceneNode(). The only parameter
* we use is a file name to the heightmap we use. A heightmap is simply a gray
* scale texture. The terrain renderer loads it and creates the 3D terrain
* from it.
* To make the terrain look more big, we change the scale factor of it to
* (40, 4.4, 40). Because we don't have any dynamic lights in the scene, we
* switch off the lighting, and we set the file terrain-texture.jpg as texture
* for the terrain and detailmap3.jpg as second texture, called detail map.
* At last, we set the scale values for the texture: The first texture will be
* repeated only one time over the whole terrain, and the second one (detail map)
* 20 times.
*/
// add terrain scene node
terrain = smgr.AddTerrainSceneNode(
path + "terrain-heightmap.bmp", null, -1,
new Vector3D(), new Vector3D(40, 4.4f, 40), new Color(255, 255, 255, 255));
terrain.SetMaterialFlag(MaterialFlag.LIGHTING, false);
terrain.SetMaterialType(MaterialType.DETAIL_MAP);
terrain.SetMaterialTexture(0, driver.GetTexture(path + "terrain-texture.jpg"));
terrain.SetMaterialTexture(1, driver.GetTexture(path + "detailmap3.jpg"));
terrain.ScaleTexture(1.0f, 20.0f);
/* To be able to do collision with the terrain, we create a triangle selector.
* If you want to know what triangle selectors do, just take a look into the
* collision tutorial. The terrain triangle selector works together with the
* terrain. To demonstrate this, we create a collision response animator and
* attach it to the camera, so that the camera will not be able to fly through
* the terrain.*/
// create triangle selector for the terrain
ITriangleSelector selector =
smgr.CreateTerrainTriangleSelector(terrain, 0);
// create collision response animator and attach it to the camera
ISceneNodeAnimator anim = smgr.CreateCollisionResponseAnimator(
selector, camera, new Vector3D(60, 100, 60),
new Vector3D(0, 0, 0),
new Vector3D(0, 50, 0), 0.0005f);
camera.AddAnimator(anim);
//we add the skybox which we already used in lots of Irrlicht examples.
driver.SetTextureCreationFlag(TextureCreationFlag.CREATE_MIP_MAPS, false);
smgr.AddSkyBoxSceneNode(
driver.GetTexture(path + "irrlicht2_up.jpg"),
driver.GetTexture(path + "irrlicht2_dn.jpg"),
driver.GetTexture(path + "irrlicht2_lf.jpg"),
driver.GetTexture(path + "irrlicht2_rt.jpg"),
driver.GetTexture(path + "irrlicht2_ft.jpg"),
driver.GetTexture(path + "irrlicht2_bk.jpg"), null, 0);
driver.SetTextureCreationFlag(TextureCreationFlag.CREATE_MIP_MAPS, true);
/* That's it, draw everything. Now you know how to use terrain
* in Irrlicht.
*/
int lastFPS = -1;
while (device.Run())
{
if (device.WindowActive)
{
device.VideoDriver.BeginScene(true, true, new Color(0, 200, 200, 200));
device.SceneManager.DrawAll();
device.VideoDriver.EndScene();
int fps = device.VideoDriver.FPS;
if (lastFPS != fps)
{
device.WindowCaption = "Irrlicht Engine - Terrain example [" +
device.VideoDriver.Name + "] FPS:" + fps.ToString();
lastFPS = fps;
}
}
}
/*
* In the end, delete the Irrlicht device.
*/
// Instead of device.drop, we'll use:
GC.Collect();
}