public bool Load(string filename)
{
// shadows
Engine.Graphics.SceneManager.ShadowTechnique = ShadowTechnique.SHADOWTYPE_TEXTURE_MODULATIVE;
Engine.Graphics.SceneManager.AmbientLight = this.ambientLight;
Engine.Graphics.SceneManager.ShadowColour = this.ambientLight;
if (!LoadWorldEntities())
{
return(false);
}
// static mesh
// TODO: implement depth shadow mapping
// http://www.ogre3d.org/tikiwiki/Depth+Shadow+Mapping&bl=y&fullscreen=y
staticGeometryCaster = Engine.Graphics.SceneManager.CreateStaticGeometry("StaticGeometryCaster");
staticGeometryReceiver = Engine.Graphics.SceneManager.CreateStaticGeometry("StaticGeometryReceiver");
staticGeometryCaster.CastShadows = true;
StreamReader reader = new StreamReader(filename);
string line = reader.ReadLine();
// skip header
if (line != null)
{
line = reader.ReadLine();
}
while (line != null)
{
string[] bits = line.Split('|');
string key = bits[0];
Vector3 position = StringConverter.ParseVector3(bits[1]);
Quaternion orientation = StringConverter.ParseQuaternion(bits[2]);
worldEntityMap[key].Spawn(position, orientation);
line = reader.ReadLine();
}
reader.Close();
staticGeometryCaster.Build();
staticGeometryReceiver.Build();
Engine.Graphics.Camera.Position = new Vector3(0, 0, 0);
Engine.Graphics.Camera.Yaw(new Radian(new Degree(-15)));
Engine.Sound.SetListenerPosition(Engine.Graphics.Camera.Position, Engine.Graphics.Camera.Direction);
return(true);
}
/// <summary>
/// This method creates 4000 quads and attaches them to the scenegraph as static geometry
/// </summary>
public void StaticGeometry()
{
Quad();
staticGeo = mSceneMgr.CreateStaticGeometry("staticQuads"); // Initializes the static geometry container
for (int i = 0; i < 200; i++)
{
for (int j = 0; j < 200; j++)
{
manualObjEntity = mSceneMgr.CreateEntity("Quad"); // Loads the quad in an entity
staticGeo.AddEntity(manualObjEntity, new Vector3(i * 5, j * 5, 0)); // adds it to the scenegraph as static geo
}
}
staticGeo.Build(); // Prepares the static geometry to be rendered
}
public void StaticGeometry()
{
Quad();
staticGeometry = mSceneMgr.CreateStaticGeometry("staticQuads");
for (int i = 0; i < 200; i++)
{
for (int j = 0; j < 200; j++)
{
cubeEntity = mSceneMgr.CreateEntity("Quad");
staticGeometry.AddEntity(cubeEntity, new Vector3(i * 5, j * 5, 0));
}
}
staticGeometry.Build();
}
public bool Load(string filename)
{
// shadows
Engine.Graphics.SceneManager.ShadowTechnique = ShadowTechnique.SHADOWTYPE_TEXTURE_MODULATIVE;
Engine.Graphics.SceneManager.AmbientLight = this.ambientLight;
Engine.Graphics.SceneManager.ShadowColour = this.ambientLight;
if (!LoadWorldEntities())
return false;
// static mesh
// TODO: implement depth shadow mapping
// http://www.ogre3d.org/tikiwiki/Depth+Shadow+Mapping&bl=y&fullscreen=y
staticGeometryCaster = Engine.Graphics.SceneManager.CreateStaticGeometry("StaticGeometryCaster");
staticGeometryReceiver = Engine.Graphics.SceneManager.CreateStaticGeometry("StaticGeometryReceiver");
staticGeometryCaster.CastShadows = true;
StreamReader reader = new StreamReader(filename);
string line = reader.ReadLine();
// skip header
if (line != null)
line = reader.ReadLine();
while (line != null)
{
string[] bits = line.Split('|');
string key = bits[0];
Vector3 position = StringConverter.ParseVector3(bits[1]);
Quaternion orientation = StringConverter.ParseQuaternion(bits[2]);
worldEntityMap[key].Spawn(position, orientation);
line = reader.ReadLine();
}
reader.Close();
staticGeometryCaster.Build();
staticGeometryReceiver.Build();
Engine.Graphics.Camera.Position = new Vector3(0, 0, 0);
Engine.Graphics.Camera.Yaw(new Radian(new Degree(-15)));
Engine.Sound.SetListenerPosition(Engine.Graphics.Camera.Position, Engine.Graphics.Camera.Direction);
return true;
}
// Lock the node dictionary, and rebuild the static
// geometry for objects of this kind
protected void Rebuild(SceneManager mgr, Dictionary <long, WorldEntity> nodeDictionary)
{
log.DebugFormat("Entering StaticGeometryHelper.Rebuild for geometry '{0}'", name);
long tickStart = TimeTool.CurrentTime;
try {
nodesAddedSinceLastRebuild = 0;
nodesRemovedSinceLastRebuild = 0;
force = false;
Monitor.Enter(mgr);
if (objectGeometry != null)
{
objectGeometry.Reset();
}
else
{
objectGeometry = new StaticGeometry(mgr, name);
}
// Dictionary mapping Material into a list of
// ObjectNodes in which some submesh uses the material
Dictionary <Material, MaterialAndNodeCounts> materialsUsedMap = new Dictionary <Material, MaterialAndNodeCounts>();
lock (nodeDictionary) {
foreach (WorldEntity entity in nodeDictionary.Values)
{
if (entity is ObjectNode)
{
ObjectNode node = (ObjectNode)entity;
// For now, we only consider "props" that have an associated SceneNode
// and are direct descendants of the root scene node, and are of the right
// kind, i.e., don't have a perception radius if this static geometry is for
// little nodes, and vice versa.
// log.DebugFormat("StaticGeometry.Rebuild: Examining node {0}, oid {1}, type {2}, sceneNode {3}, InStaticGeometry {4}, top-level {5}",
// node.Name, node.Oid, node.ObjectType, node.SceneNode, node.InStaticGeometry, node.SceneNode.Parent == mgr.RootSceneNode);
if (node.ObjectType == ObjectNodeType.Prop &&
(node.InStaticGeometry || (node.SceneNode != null && node.SceneNode.Parent == mgr.RootSceneNode)) &&
RightKind(node))
{
foreach (Material m in node.Entity.SubEntityMaterials)
{
MaterialAndNodeCounts nodesUsingMaterial;
if (!materialsUsedMap.TryGetValue(m, out nodesUsingMaterial))
{
nodesUsingMaterial = new MaterialAndNodeCounts();
materialsUsedMap[m] = nodesUsingMaterial;
}
nodesUsingMaterial.materialUseCount++;
int subMeshUseCount;
Dictionary <ObjectNode, int> submeshUseCounts = nodesUsingMaterial.submeshUseCounts;
if (!submeshUseCounts.TryGetValue(node, out subMeshUseCount))
{
submeshUseCounts[node] = 1;
}
else
{
submeshUseCounts[node] = subMeshUseCount + 1;
}
}
}
}
}
}
// Now we have a count of uses of each material, and
// for each node, the number of subentities that use the
// material. Now we need to calculate the number of
// instance of sharings for each object node
Dictionary <ObjectNode, bool> candidateNodes = new Dictionary <ObjectNode, bool>();
foreach (MaterialAndNodeCounts counts in materialsUsedMap.Values)
{
if (counts.materialUseCount > 1)
{
foreach (KeyValuePair <ObjectNode, int> pair in counts.submeshUseCounts)
{
candidateNodes[pair.Key] = true;
}
}
}
Dictionary <ObjectNode, int> staticNodes = new Dictionary <ObjectNode, int>();
foreach (KeyValuePair <ObjectNode, bool> pair in candidateNodes)
{
ObjectNode candidate = pair.Key;
bool useIt = pair.Value;
if (useIt)
{
staticNodes[candidate] = 0;
}
}
if (staticNodes.Count == 0)
{
log.InfoFormat("StaticGeometryHelper.Rebuild: Didn't build static geometry {0} because object count was zero", name);
}
else
{
log.InfoFormat("StaticGeometryHelper.Rebuild: {0} ObjectNodes", staticNodes.Count);
foreach (ObjectNode staticNode in staticNodes.Keys)
{
SceneNode sc = staticNode.SceneNode;
if (!staticNode.InStaticGeometry)
{
sc.RemoveFromParent();
staticNode.InStaticGeometry = true;
}
log.DebugFormat("StaticGeometryHelper.Rebuild: Add node {0} with name {1} to static geometry",
staticNode.Oid, staticNode.Name);
objectGeometry.AddSceneNode(sc);
}
}
if (lastStaticNodes != null)
{
foreach (ObjectNode node in lastStaticNodes.Keys)
{
if (!staticNodes.ContainsKey(node))
{
// Only 1 instance of the mesh, so make sure that if in a former build it was in
// static geometry, that we add it back to the scene graph.
if (node.InStaticGeometry)
{
SceneNode sn = node.SceneNode;
if (sn != null)
{
mgr.RootSceneNode.AddChild(sn);
}
node.InStaticGeometry = false;
}
}
}
}
if (staticNodes.Count > 0)
{
objectGeometry.Build();
}
lastStaticNodes = staticNodes;
timeOfLastRebuild = TimeTool.CurrentTime;
}
finally {
Monitor.Exit(mgr);
}
log.InfoFormat("StaticGeometryHelper.Rebuild: Rebuild of geometry '{0}' took {1} ms",
name, TimeTool.CurrentTime - tickStart);
}
/// <summary>
/// This method creates 4000 quads and attaches them to the scenegraph as static geometry
/// </summary>
public void StaticGeometry()
{
Quad();
staticGeo = mSceneMgr.CreateStaticGeometry("staticQuads"); // Initializes the static geometry container
for(int i=0; i<200; i++)
for (int j = 0; j < 200; j++)
{
manualObjEntity = mSceneMgr.CreateEntity("Quad"); // Loads the quad in an entity
staticGeo.AddEntity(manualObjEntity, new Vector3(i * 5, j * 5, 0)); // adds it to the scenegraph as static geo
}
staticGeo.Build(); // Prepares the static geometry to be rendered
}
/// <summary>
/// initialize the scene
/// </summary>
private void InitializeScene()
{
//create scene mgr
sceneMgr = root.CreateSceneManager(SceneType.ST_GENERIC);
// Every viewport has a camera associated with it.
// The second number is a z-order. Higher z-order viewports
// are rendered on top (in the case of multiple viewports).
Camera cam = sceneMgr.CreateCamera("cam");
root.AutoCreatedWindow.AddViewport(cam, 0);
Viewport vp = root.AutoCreatedWindow.GetViewport(0);
vp.BackgroundColour = ColourValue.Black;
// have the frustum set the aspect ratio automatically
cam.AutoAspectRatio = true;
Vector3 position = new Vector3(0.0f, 0.0f, 0.0f);
Quaternion orientation = Quaternion.IDENTITY;
// In Ogre, an entity is a renderable object. An entity must be attached
// to a scene node, however, in order to be rendered. Every entity (really,
// every object in Ogre) must be assigned a unique name.
shipCam = new ArcballCamera(cam);
shipCam.Radius = 250.0f;
shipCam.Target = sceneMgr.RootSceneNode;
Light l = sceneMgr.CreateLight("point1");
l.DiffuseColour = new ColourValue(1.0f, 1.0f, 1.0f);
l.Position = Vector3.UNIT_Y * 100.0f;
l.CastShadows = true;
l.Type = Light.LightTypes.LT_POINT;
sceneMgr.SetSkyBox(true, "Space", 5000);
grid = sceneMgr.CreateStaticGeometry("grid");
float radius = 100.0f;
Entity cube;
const int NUM_CUBES_HALF_WIDTH = 2;
for (int i = -NUM_CUBES_HALF_WIDTH; i < NUM_CUBES_HALF_WIDTH; ++i)
{
for (int j = -NUM_CUBES_HALF_WIDTH; j < NUM_CUBES_HALF_WIDTH; ++j)
{
for (int k = -NUM_CUBES_HALF_WIDTH; k < NUM_CUBES_HALF_WIDTH; ++k)
{
if (i != 0)
{
cube = sceneMgr.CreateEntity("cube-" + i + "-" + j + "-" + k,
SceneManager.PrefabType.PT_CUBE);
grid.AddEntity(cube, new Vector3(i, j, k) * radius * 10);
}
}
}
}
grid.Build();
shipMgr = new ShipManager(this);
}
/// <summary>
/// initialize the scene
/// </summary>
private void InitializeScene()
{
//create scene mgr
sceneMgr = root.CreateSceneManager(SceneType.ST_GENERIC);
// Every viewport has a camera associated with it.
// The second number is a z-order. Higher z-order viewports
// are rendered on top (in the case of multiple viewports).
Camera cam = sceneMgr.CreateCamera("cam");
root.AutoCreatedWindow.AddViewport(cam, 0);
Viewport vp = root.AutoCreatedWindow.GetViewport(0);
vp.BackgroundColour = ColourValue.Black;
// have the frustum set the aspect ratio automatically
cam.AutoAspectRatio = true;
Vector3 position = new Vector3(0.0f, 0.0f, 0.0f);
Quaternion orientation = Quaternion.IDENTITY;
// In Ogre, an entity is a renderable object. An entity must be attached
// to a scene node, however, in order to be rendered. Every entity (really,
// every object in Ogre) must be assigned a unique name.
shipCam = new ArcballCamera(cam);
shipCam.Radius = 250.0f;
shipCam.Target = sceneMgr.RootSceneNode;
Light l = sceneMgr.CreateLight("point1");
l.DiffuseColour = new ColourValue(1.0f, 1.0f, 1.0f);
l.Position = Vector3.UNIT_Y * 100.0f;
l.CastShadows = true;
l.Type = Light.LightTypes.LT_POINT;
sceneMgr.SetSkyBox(true, "Space", 5000);
grid = sceneMgr.CreateStaticGeometry("grid");
float radius = 100.0f;
Entity cube;
const int NUM_CUBES_HALF_WIDTH = 2;
for (int i = -NUM_CUBES_HALF_WIDTH; i < NUM_CUBES_HALF_WIDTH; ++i)
for (int j = -NUM_CUBES_HALF_WIDTH; j < NUM_CUBES_HALF_WIDTH; ++j)
for (int k = -NUM_CUBES_HALF_WIDTH; k < NUM_CUBES_HALF_WIDTH; ++k)
{
if (i != 0)
{
cube = sceneMgr.CreateEntity("cube-" + i + "-" + j + "-" + k,
SceneManager.PrefabType.PT_CUBE);
grid.AddEntity(cube, new Vector3(i, j, k) * radius * 10);
}
}
grid.Build();
shipMgr = new ShipManager(this);
}
public void CreateScene()
{
scene.SetSkyBox(true, "Examples/SpaceSkyBox");
SetupLighting();
Plane plane = new Plane();
plane.normal = Vector3.UNIT_Y;
plane.d = 0;
MeshManager.Singleton.CreatePlane("MyPlane", ResourceGroupManager.DEFAULT_RESOURCE_GROUP_NAME, plane, 14500, 14500, 10, 10, true, 1, 50, 50, Vector3.UNIT_Z);
Entity planeEnt = scene.CreateEntity("plane", "MyPlane");
planeEnt.SetMaterialName("Examples/GrassFloor");
planeEnt.CastShadows = false;
scene.RootSceneNode.CreateChildSceneNode().AttachObject(planeEnt);
Vector3 minV = new Vector3(-2000, 0, -2000);
Vector3 maxV = new Vector3(2000, 0, 2000);
CreateGrassMesh();
Entity e = scene.CreateEntity("1", GRASS_MESH_NAME);
StaticGeometry s = scene.CreateStaticGeometry("bing");//, 1);
s.RegionDimensions = new Vector3(1000, 1000, 1000);
s.Origin = new Vector3(-500, 500, -500); //Set the region origin so the centre is at 0 world
for (int x = -1950; x < 1950; x += 150)
{
for (int z = -1950; z < 1950; z += 150)
{
Vector3 pos = new Vector3(x + Math.RangeRandom(-25, 25), 0, z + Math.RangeRandom(-25, 25));
Quaternion orientation = new Quaternion();
orientation.FromAngleAxis(Math.RangeRandom(0, 359), Vector3.UNIT_Y);
Vector3 scale = new Vector3(1, Math.RangeRandom(0.85f, 1.15f), 1);
s.AddEntity(e, pos, orientation, scale);
}
}
s.Build();
StaticGeom = s;
//Mesh mesh = MeshManager.Singleton.Load("ogrehead.mesh", ResourceGroupManager.DefaultResourceGroupName);
//short src, dest;
//if (!mesh.SuggestTangentVectorBuildParams( VertexElementSemantic.VES_POSITION, out src, out dest)) {
// mesh.BuildTangentVectors( VertexElementSemantic.VES_POSITION,src, dest);
//}
//e = scene.CreateEntity("head", "ogrehead.mesh");
//e.SetMaterialName("Examples/OffsetMapping/Specular");
//HeadNode = scene.RootSceneNode.CreateChildSceneNode();
//HeadNode.AttachObject(e);
//HeadNode.Scale = new Vector3(7, 7, 7);
//HeadNode.Position = new Vector3(0, 200, 0);
//if (e.GetSubEntity(0).NormalizeNormals == false) {
// LogManager.Singleton.LogMessage("aie aie aie");
//}
Root.Singleton.RenderSystem.SetNormaliseNormals(true);
//camera.Move(new Vector3(0, 350, 0));
}