public static BaseComponent LoadFromDefinition(ContentManager content, string definitionPath, BaseEntity parent)
{
TerrainComponentDefinition compDef = content.Load <TerrainComponentDefinition>(definitionPath);
TerrainComponent newComponent = new TerrainComponent(parent, compDef);
return(newComponent);
}
/// <summary>
/// Creates a child <see cref="QuadTree"/> section.
/// </summary>
/// <param name="SourceTerrain">Parent <see cref="Terrain"/> section</param>
/// <param name="verticesLength"></param>
/// <param name="offsetX"></param>
/// <param name="offsetY"></param>
public QuadTree(QSGame game, TerrainComponent sourceTerrain, int verticesLength, int offsetX, int offsetZ)
{
this.Game = game;
this.terrain = sourceTerrain;
if (boundingBoxMaterial == null)
{
boundingBoxMaterial = game.Content.Load <Material>("Material/Terrain");
}
this.offsetX = offsetX;
this.offsetZ = offsetZ;
// This truncation requires all heightmap images to be
// a power of two in height and width
this.width = ((int)Math.Sqrt(verticesLength) / 2) + 1;
SetupBoundingBox();
// If this tree is the smallest allowable size, set it as a leaf
// so that it will not continue branching smaller.
int widthMinusOne = this.width - 1;
if ((widthMinusOne * widthMinusOne) <= this.terrain.MinLeafSize)
{
this.isLeaf = true;
CreateBoundingBoxMesh();
}
if (this.isLeaf)
{
SetupTerrainVertices();
this.leafPatch = new TerrainPatch(this.Game, this.terrain, this);
}
else
{
BranchOff();
}
}
/// <summary>
/// Creates a root <see cref="QuadTree"/> node. This should only be called from the
/// parent Terrain section.
/// </summary>
/// <param name="game">QSGame reference</param>
/// <param name="terrain">Parent terrain section</param>
/// <param name="verticesLength">Length of vertices in this QuadTree</param>
public QuadTree(QSGame game, TerrainComponent terrain, int verticesLength)
{
this.Game = game;
this.terrain = terrain;
if (boundingBoxMaterial == null)
{
boundingBoxMaterial = game.Content.Load <Material>("Material/WireFrame");
}
// This truncation requires all heightmap images to be
// a power of two in height and width
this.width = (int)Math.Sqrt(verticesLength);
this.rootWidth = width;
// Vertices are only used for setting up the dimensions of
// the bounding box. The vertices used in rendering are
// located in the terrain class.
SetupBoundingBox();
// If this tree is the smallest allowable size, set it as a leaf
// so that it will not continue branching smaller.
if (verticesLength <= this.terrain.MinLeafSize)
{
this.isLeaf = true;
CreateBoundingBoxMesh();
}
if (this.isLeaf)
{
SetupTerrainVertices();
this.leafPatch = new TerrainPatch(this.Game, this.terrain, this);
}
else
{
BranchOffRoot();
}
}
public TerrainPhysicsComponent(BaseEntity parent, TerrainPhysicsComponentDefinition compDef)
: base(parent)
{
TerrainComponent terrainComp = this.parentEntity.GetComponentByType(ComponentType.TerrainComponent) as TerrainComponent;
if (null == terrainComp)
{
throw new Exception("Terrain Components must be added to an entity prior to TerrainPhysicsComponent. Make sure in the EntityDefinition XML file that TerrainComponent comes first.");
}
this.collisionGroupType = CollisionGroups.Terrain;
this.shapeType = ShapeType.Heightfield;
var getPhysSceneMsg = ObjectPool.Aquire <MsgGetPhysicsScene>();
getPhysSceneMsg.UniqueTarget = this.parentEntity.UniqueID;
this.parentEntity.Game.SendInterfaceMessage(getPhysSceneMsg, InterfaceType.Physics);
IPhysicsScene physScene = getPhysSceneMsg.PhysicsScene;
if (physScene != null)
{
CreateHeightfieldActor(physScene, terrainComp.heightData, terrainComp.ScaleFactor);
if (this.actor != null)
{
var addToSceneMsg = ObjectPool.Aquire <MsgAddEntityToPhysicsScene>();
addToSceneMsg.Actor = this.actor;
addToSceneMsg.EntityID = this.parentEntity.UniqueID;
this.parentEntity.Game.SendInterfaceMessage(addToSceneMsg, InterfaceType.Physics);
var setCollGroup = ObjectPool.Aquire <MsgSetActorToCollisionGroup>();
setCollGroup.Actor = this.actor;
setCollGroup.GroupType = this.collisionGroupType;
this.parentEntity.Game.SendInterfaceMessage(setCollGroup, InterfaceType.Physics);
}
}
}
