// TODO: redo terrain implementation selection to allow other base types than heightMap.
private BSTerrainPhys BuildPhysicalTerrain(Vector3 terrainRegionBase, uint id, float[] heightMap, Vector3 minCoords, Vector3 maxCoords)
{
PhysicsScene.Logger.DebugFormat("{0} Terrain for {1}/{2} created with {3}",
LogHeader, PhysicsScene.RegionName, terrainRegionBase,
(BSTerrainPhys.TerrainImplementation)BSParam.TerrainImplementation);
BSTerrainPhys newTerrainPhys = null;
switch ((int)BSParam.TerrainImplementation)
{
case (int)BSTerrainPhys.TerrainImplementation.Heightmap:
newTerrainPhys = new BSTerrainHeightmap(PhysicsScene, terrainRegionBase, id,
heightMap, minCoords, maxCoords);
break;
case (int)BSTerrainPhys.TerrainImplementation.Mesh:
newTerrainPhys = new BSTerrainMesh(PhysicsScene, terrainRegionBase, id,
heightMap, minCoords, maxCoords);
break;
default:
PhysicsScene.Logger.ErrorFormat("{0} Bad terrain implementation specified. Type={1}/{2},Region={3}/{4}",
LogHeader,
(int)BSParam.TerrainImplementation,
BSParam.TerrainImplementation,
PhysicsScene.RegionName, terrainRegionBase);
break;
}
return(newTerrainPhys);
}
// Create the initial instance of terrain and the underlying ground plane.
// This is called from the initialization routine so we presume it is
// safe to call Bullet in real time. We hope no one is moving prims around yet.
public void CreateInitialGroundPlaneAndTerrain()
{
// The ground plane is here to catch things that are trying to drop to negative infinity
BulletShape groundPlaneShape = new BulletShape(
BulletSimAPI.CreateGroundPlaneShape2(BSScene.GROUNDPLANE_ID, 1f,
BSParam.TerrainCollisionMargin),
BSPhysicsShapeType.SHAPE_GROUNDPLANE);
m_groundPlane = new BulletBody(BSScene.GROUNDPLANE_ID,
BulletSimAPI.CreateBodyWithDefaultMotionState2(groundPlaneShape.ptr, BSScene.GROUNDPLANE_ID,
Vector3.Zero, Quaternion.Identity));
BulletSimAPI.AddObjectToWorld2(PhysicsScene.World.ptr, m_groundPlane.ptr, Vector3.Zero, Quaternion.Identity);
BulletSimAPI.UpdateSingleAabb2(PhysicsScene.World.ptr, m_groundPlane.ptr);
// Ground plane does not move
BulletSimAPI.ForceActivationState2(m_groundPlane.ptr, ActivationState.DISABLE_SIMULATION);
// Everything collides with the ground plane.
m_groundPlane.collisionType = CollisionType.Groundplane;
m_groundPlane.ApplyCollisionMask();
// Build an initial terrain and put it in the world. This quickly gets replaced by the real region terrain.
BSTerrainPhys initialTerrain = new BSTerrainHeightmap(PhysicsScene, Vector3.Zero, BSScene.TERRAIN_ID, DefaultRegionSize);
m_terrains.Add(Vector3.Zero, initialTerrain);
}
// TODO: redo terrain implementation selection to allow other base types than heightMap.
private BSTerrainPhys BuildPhysicalTerrain(Vector3 terrainRegionBase, uint id, float[] heightMap, Vector3 minCoords, Vector3 maxCoords)
{
PhysicsScene.Logger.DebugFormat("{0} Terrain for {1}/{2} created with {3}",
LogHeader, PhysicsScene.RegionName, terrainRegionBase,
(BSTerrainPhys.TerrainImplementation)BSParam.TerrainImplementation);
BSTerrainPhys newTerrainPhys = null;
switch ((int)BSParam.TerrainImplementation)
{
case (int)BSTerrainPhys.TerrainImplementation.Heightmap:
newTerrainPhys = new BSTerrainHeightmap(PhysicsScene, terrainRegionBase, id,
heightMap, minCoords, maxCoords);
break;
case (int)BSTerrainPhys.TerrainImplementation.Mesh:
newTerrainPhys = new BSTerrainMesh(PhysicsScene, terrainRegionBase, id,
heightMap, minCoords, maxCoords);
break;
default:
PhysicsScene.Logger.ErrorFormat("{0} Bad terrain implementation specified. Type={1}/{2},Region={3}/{4}",
LogHeader,
(int)BSParam.TerrainImplementation,
BSParam.TerrainImplementation,
PhysicsScene.RegionName, terrainRegionBase);
break;
}
return newTerrainPhys;
}
// Create the initial instance of terrain and the underlying ground plane.
// This is called from the initialization routine so we presume it is
// safe to call Bullet in real time. We hope no one is moving prims around yet.
public void CreateInitialGroundPlaneAndTerrain()
{
// The ground plane is here to catch things that are trying to drop to negative infinity
BulletShape groundPlaneShape = new BulletShape(
BulletSimAPI.CreateGroundPlaneShape2(BSScene.GROUNDPLANE_ID, 1f,
BSParam.TerrainCollisionMargin),
BSPhysicsShapeType.SHAPE_GROUNDPLANE);
m_groundPlane = new BulletBody(BSScene.GROUNDPLANE_ID,
BulletSimAPI.CreateBodyWithDefaultMotionState2(groundPlaneShape.ptr, BSScene.GROUNDPLANE_ID,
Vector3.Zero, Quaternion.Identity));
BulletSimAPI.AddObjectToWorld2(PhysicsScene.World.ptr, m_groundPlane.ptr, Vector3.Zero, Quaternion.Identity);
BulletSimAPI.UpdateSingleAabb2(PhysicsScene.World.ptr, m_groundPlane.ptr);
// Ground plane does not move
BulletSimAPI.ForceActivationState2(m_groundPlane.ptr, ActivationState.DISABLE_SIMULATION);
// Everything collides with the ground plane.
m_groundPlane.collisionType = CollisionType.Groundplane;
m_groundPlane.ApplyCollisionMask();
// Build an initial terrain and put it in the world. This quickly gets replaced by the real region terrain.
BSTerrainPhys initialTerrain = new BSTerrainHeightmap(PhysicsScene, Vector3.Zero, BSScene.TERRAIN_ID, DefaultRegionSize);
m_terrains.Add(Vector3.Zero, initialTerrain);
}